scrotwm.c

   1 /*
   2  * Copyright (c) 2009-2010-2011 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2010-2011 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  *
   9  * Permission to use, copy, modify, and distribute this software for any
  10  * purpose with or without fee is hereby granted, provided that the above
  11  * copyright notice and this permission notice appear in all copies.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20  */
  21 /*
  22  * Much code and ideas taken from dwm under the following license:
  23  * MIT/X Consortium License
  24  *
  25  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  26  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  27  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  28  * 2007 Premysl Hruby <dfenze at gmail dot com>
  29  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  30  * 2007 Christof Musik <christof at sendfax dot de>
  31  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  32  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  33  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  34  *
  35  * Permission is hereby granted, free of charge, to any person obtaining a
  36  * copy of this software and associated documentation files (the "Software"),
  37  * to deal in the Software without restriction, including without limitation
  38  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  39  * and/or sell copies of the Software, and to permit persons to whom the
  40  * Software is furnished to do so, subject to the following conditions:
  41  *
  42  * The above copyright notice and this permission notice shall be included in
  43  * all copies or substantial portions of the Software.
  44  *
  45  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  46  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  47  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  48  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  49  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  50  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  51  * DEALINGS IN THE SOFTWARE.
  52  */
  53
  54 #include <stdio.h>
  55 #include <stdlib.h>
  56 #include <err.h>
  57 #include <errno.h>
  58 #include <fcntl.h>
  59 #include <locale.h>
  60 #include <unistd.h>
  61 #include <time.h>
  62 #include <signal.h>
  63 #include <string.h>
  64 #include <util.h>
  65 #include <pwd.h>
  66 #include <paths.h>
  67 #include <ctype.h>
  68
  69 #include <sys/types.h>
  70 #include <sys/time.h>
  71 #include <sys/stat.h>
  72 #include <sys/wait.h>
  73 #include <sys/queue.h>
  74 #include <sys/param.h>
  75 #include <sys/select.h>
  76
  77 #include <X11/cursorfont.h>
  78 #include <X11/keysym.h>
  79 #include <X11/Xatom.h>
  80 #include <X11/Xlib.h>
  81 #include <X11/Xproto.h>
  82 #include <X11/Xutil.h>
  83 #include <X11/extensions/Xrandr.h>
  84 #include <X11/extensions/XTest.h>
  85
  86 #ifdef __OSX__
  87 #include <osx.h>
  88 #endif
  89
  90 #include "version.h"
  91
  92 #ifdef SCROTWM_BUILDSTR
  93 static const char       *buildstr = SCROTWM_BUILDSTR;
  94 #else
  95 static const char       *buildstr = SCROTWM_VERSION;
  96 #endif
  97
  98 #if RANDR_MAJOR < 1
  99 #  error XRandR versions less than 1.0 are not supported
 100 #endif
 101
 102 #if RANDR_MAJOR >= 1
 103 #if RANDR_MINOR >= 2
 104 #define SWM_XRR_HAS_CRTC
 105 #endif
 106 #endif
 107
 108 /*#define SWM_DEBUG*/
 109 #ifdef SWM_DEBUG
 110 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 111 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 112 #define SWM_D_MISC              0x0001
 113 #define SWM_D_EVENT             0x0002
 114 #define SWM_D_WS                0x0004
 115 #define SWM_D_FOCUS             0x0008
 116 #define SWM_D_MOVE              0x0010
 117 #define SWM_D_STACK             0x0020
 118 #define SWM_D_MOUSE             0x0040
 119 #define SWM_D_PROP              0x0080
 120 #define SWM_D_CLASS             0x0100
 121 #define SWM_D_KEY               0x0200
 122 #define SWM_D_QUIRK             0x0400
 123 #define SWM_D_SPAWN             0x0800
 124 #define SWM_D_EVENTQ            0x1000
 125 #define SWM_D_CONF              0x2000
 126
 127 u_int32_t               swm_debug = 0
 128                             | SWM_D_MISC
 129                             | SWM_D_EVENT
 130                             | SWM_D_WS
 131                             | SWM_D_FOCUS
 132                             | SWM_D_MOVE
 133                             | SWM_D_STACK
 134                             | SWM_D_MOUSE
 135                             | SWM_D_PROP
 136                             | SWM_D_CLASS
 137                             | SWM_D_KEY
 138                             | SWM_D_QUIRK
 139                             | SWM_D_SPAWN
 140                             | SWM_D_EVENTQ
 141                             | SWM_D_CONF
 142                             ;
 143 #else
 144 #define DPRINTF(x...)
 145 #define DNPRINTF(n,x...)
 146 #endif
 147
 148 #define LENGTH(x)               (sizeof x / sizeof x[0])
 149 #define MODKEY                  Mod1Mask
 150 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 151 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 152 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 153 #define SWM_PROPLEN             (16)
 154 #define SWM_FUNCNAME_LEN        (32)
 155 #define SWM_KEYS_LEN            (255)
 156 #define SWM_QUIRK_LEN           (64)
 157 #define X(r)                    (r)->g.x
 158 #define Y(r)                    (r)->g.y
 159 #define WIDTH(r)                (r)->g.w
 160 #define HEIGHT(r)               (r)->g.h
 161 #define SWM_MAX_FONT_STEPS      (3)
 162 #define WINID(w)                (w ? w->id : 0)
 163
 164 #define SWM_FOCUS_DEFAULT       (0)
 165 #define SWM_FOCUS_SYNERGY       (1)
 166 #define SWM_FOCUS_FOLLOW        (2)
 167
 168 #define SWM_CONF_DEFAULT        (0)
 169 #define SWM_CONF_KEYMAPPING     (1)
 170
 171 #ifndef SWM_LIB
 172 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 173 #endif
 174
 175 char                    **start_argv;
 176 Atom                    astate;
 177 Atom                    aprot;
 178 Atom                    adelete;
 179 Atom                    takefocus;
 180 Atom                    a_wmname;
 181 Atom                    a_utf8_string;
 182 Atom                    a_string;
 183 Atom                    a_swm_iconic;
 184 volatile sig_atomic_t   running = 1;
 185 volatile sig_atomic_t   restart_wm = 0;
 186 int                     outputs = 0;
 187 int                     last_focus_event = FocusOut;
 188 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 189 int                     other_wm;
 190 int                     ss_enabled = 0;
 191 int                     xrandr_support;
 192 int                     xrandr_eventbase;
 193 unsigned int            numlockmask = 0;
 194 Display                 *display;
 195
 196 int                     cycle_empty = 0;
 197 int                     cycle_visible = 0;
 198 int                     term_width = 0;
 199 int                     font_adjusted = 0;
 200 unsigned int            mod_key = MODKEY;
 201
 202 /* dmenu search */
 203 struct swm_region       *search_r;
 204 int                     select_list_pipe[2];
 205 int                     select_resp_pipe[2];
 206 pid_t                   searchpid;
 207 volatile sig_atomic_t   search_resp;
 208 int                     search_resp_action;
 209
 210 /* search actions */
 211 enum {
 212         SWM_SEARCH_NONE,
 213         SWM_SEARCH_UNICONIFY
 214 };
 215
 216 /* dialog windows */
 217 double                  dialog_ratio = .6;
 218 /* status bar */
 219 #define SWM_BAR_MAX             (256)
 220 #define SWM_BAR_JUSTIFY_LEFT    (0)
 221 #define SWM_BAR_JUSTIFY_CENTER  (1)
 222 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 223 #define SWM_BAR_OFFSET          (4)
 224 char                    *bar_argv[] = { NULL, NULL };
 225 int                     bar_pipe[2];
 226 char                    bar_ext[SWM_BAR_MAX];
 227 char                    bar_vertext[SWM_BAR_MAX];
 228 int                     bar_version = 0;
 229 sig_atomic_t            bar_alarm = 0;
 230 int                     bar_delay = 30;
 231 int                     bar_enabled = 1;
 232 int                     bar_border_width = 1;
 233 int                     bar_at_bottom = 0;
 234 int                     bar_extra = 1;
 235 int                     bar_extra_running = 0;
 236 int                     bar_verbose = 1;
 237 int                     bar_height = 0;
 238 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 239 int                     stack_enabled = 1;
 240 int                     clock_enabled = 1;
 241 int                     urgent_enabled = 0;
 242 char                    *clock_format = NULL;
 243 int                     title_name_enabled = 0;
 244 int                     title_class_enabled = 0;
 245 int                     window_name_enabled = 0;
 246 int                     focus_mode = SWM_FOCUS_DEFAULT;
 247 int                     disable_border = 0;
 248 int                     border_width = 1;
 249 int                     verbose_layout = 0;
 250 pid_t                   bar_pid;
 251 GC                      bar_gc;
 252 XGCValues               bar_gcv;
 253 int                     bar_fidx = 0;
 254 XFontStruct             *bar_fs;
 255 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 256 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 257 struct passwd           *pwd;
 258
 259 #define SWM_MENU_FN     (2)
 260 #define SWM_MENU_NB     (4)
 261 #define SWM_MENU_NF     (6)
 262 #define SWM_MENU_SB     (8)
 263 #define SWM_MENU_SF     (10)
 264
 265 /* layout manager data */
 266 struct swm_geometry {
 267         int                     x;
 268         int                     y;
 269         int                     w;
 270         int                     h;
 271 };
 272
 273 struct swm_screen;
 274 struct workspace;
 275
 276 /* virtual "screens" */
 277 struct swm_region {
 278         TAILQ_ENTRY(swm_region) entry;
 279         struct swm_geometry     g;
 280         struct workspace        *ws;    /* current workspace on this region */
 281         struct workspace        *ws_prior; /* prior workspace on this region */
 282         struct swm_screen       *s;     /* screen idx */
 283         Window                  bar_window;
 284 };
 285 TAILQ_HEAD(swm_region_list, swm_region);
 286
 287 struct ws_win {
 288         TAILQ_ENTRY(ws_win)     entry;
 289         Window                  id;
 290         Window                  transient;
 291         struct ws_win           *child_trans;   /* transient child window */
 292         struct swm_geometry     g;              /* current geometry */
 293         struct swm_geometry     g_float;        /* geometry when floating */
 294         struct swm_geometry     rg_float;       /* region geom when floating */
 295         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 296         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 297         int                     floating;
 298         int                     manual;
 299         int                     iconic;
 300         unsigned int            ewmh_flags;
 301         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 302         int                     font_steps;
 303         int                     last_inc;
 304         int                     can_delete;
 305         int                     take_focus;
 306         int                     java;
 307         unsigned long           quirks;
 308         struct workspace        *ws;    /* always valid */
 309         struct swm_screen       *s;     /* always valid, never changes */
 310         XWindowAttributes       wa;
 311         XSizeHints              sh;
 312         XClassHint              ch;
 313         XWMHints                *hints;
 314 };
 315 TAILQ_HEAD(ws_win_list, ws_win);
 316
 317 /* pid goo */
 318 struct pid_e {
 319         TAILQ_ENTRY(pid_e)      entry;
 320         long                    pid;
 321         int                     ws;
 322 };
 323 TAILQ_HEAD(pid_list, pid_e);
 324 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 325
 326 /* layout handlers */
 327 void    stack(void);
 328 void    vertical_config(struct workspace *, int);
 329 void    vertical_stack(struct workspace *, struct swm_geometry *);
 330 void    horizontal_config(struct workspace *, int);
 331 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 332 void    max_stack(struct workspace *, struct swm_geometry *);
 333 void    plain_stacker(struct workspace *);
 334 void    fancy_stacker(struct workspace *);
 335
 336 struct ws_win *find_window(Window);
 337
 338 void    grabbuttons(struct ws_win *, int);
 339 void    new_region(struct swm_screen *, int, int, int, int);
 340 void    unmanage_window(struct ws_win *);
 341 long    getstate(Window);
 342
 343 int     conf_load(char *, int);
 344
 345 struct layout {
 346         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 347         void            (*l_config)(struct workspace *, int);
 348         u_int32_t       flags;
 349 #define SWM_L_FOCUSPREV         (1<<0)
 350 #define SWM_L_MAPONFOCUS        (1<<1)
 351         void            (*l_string)(struct workspace *);
 352 } layouts[] =  {
 353         /* stack,               configure */
 354         { vertical_stack,       vertical_config,        0,      plain_stacker },
 355         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 356         { max_stack,            NULL,
 357           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 358         { NULL,                 NULL,                   0,      NULL  },
 359 };
 360
 361 /* position of max_stack mode in the layouts array, index into layouts! */
 362 #define SWM_V_STACK             (0)
 363 #define SWM_H_STACK             (1)
 364 #define SWM_MAX_STACK           (2)
 365
 366 #define SWM_H_SLICE             (32)
 367 #define SWM_V_SLICE             (32)
 368
 369 /* define work spaces */
 370 struct workspace {
 371         int                     idx;            /* workspace index */
 372         int                     always_raise;   /* raise windows on focus */
 373         struct layout           *cur_layout;    /* current layout handlers */
 374         struct ws_win           *focus;         /* may be NULL */
 375         struct ws_win           *focus_prev;    /* may be NULL */
 376         struct swm_region       *r;             /* may be NULL */
 377         struct swm_region       *old_r;         /* may be NULL */
 378         struct ws_win_list      winlist;        /* list of windows in ws */
 379         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 380         char                    stacker[10];    /* display stacker and layout */
 381
 382         /* stacker state */
 383         struct {
 384                                 int horizontal_msize;
 385                                 int horizontal_mwin;
 386                                 int horizontal_stacks;
 387                                 int vertical_msize;
 388                                 int vertical_mwin;
 389                                 int vertical_stacks;
 390         } l_state;
 391 };
 392
 393 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 394           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 395
 396 /* physical screen mapping */
 397 #define SWM_WS_MAX              (10)
 398 struct swm_screen {
 399         int                     idx;    /* screen index */
 400         struct swm_region_list  rl;     /* list of regions on this screen */
 401         struct swm_region_list  orl;    /* list of old regions */
 402         Window                  root;
 403         struct workspace        ws[SWM_WS_MAX];
 404
 405         /* colors */
 406         struct {
 407                 unsigned long   color;
 408                 char            *name;
 409         } c[SWM_S_COLOR_MAX];
 410 };
 411 struct swm_screen       *screens;
 412 int                     num_screens;
 413
 414 /* args to functions */
 415 union arg {
 416         int                     id;
 417 #define SWM_ARG_ID_FOCUSNEXT    (0)
 418 #define SWM_ARG_ID_FOCUSPREV    (1)
 419 #define SWM_ARG_ID_FOCUSMAIN    (2)
 420 #define SWM_ARG_ID_FOCUSCUR     (4)
 421 #define SWM_ARG_ID_SWAPNEXT     (10)
 422 #define SWM_ARG_ID_SWAPPREV     (11)
 423 #define SWM_ARG_ID_SWAPMAIN     (12)
 424 #define SWM_ARG_ID_MOVELAST     (13)
 425 #define SWM_ARG_ID_MASTERSHRINK (20)
 426 #define SWM_ARG_ID_MASTERGROW   (21)
 427 #define SWM_ARG_ID_MASTERADD    (22)
 428 #define SWM_ARG_ID_MASTERDEL    (23)
 429 #define SWM_ARG_ID_STACKRESET   (30)
 430 #define SWM_ARG_ID_STACKINIT    (31)
 431 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 432 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 433 #define SWM_ARG_ID_CYCLESC_UP   (42)
 434 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 435 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 436 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 437 #define SWM_ARG_ID_STACKINC     (50)
 438 #define SWM_ARG_ID_STACKDEC     (51)
 439 #define SWM_ARG_ID_SS_ALL       (60)
 440 #define SWM_ARG_ID_SS_WINDOW    (61)
 441 #define SWM_ARG_ID_DONTCENTER   (70)
 442 #define SWM_ARG_ID_CENTER       (71)
 443 #define SWM_ARG_ID_KILLWINDOW   (80)
 444 #define SWM_ARG_ID_DELETEWINDOW (81)
 445 #define SWM_ARG_ID_WIDTHGROW    (90)
 446 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 447 #define SWM_ARG_ID_HEIGHTGROW   (92)
 448 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 449 #define SWM_ARG_ID_MOVEUP       (100)
 450 #define SWM_ARG_ID_MOVEDOWN     (101)
 451 #define SWM_ARG_ID_MOVELEFT     (102)
 452 #define SWM_ARG_ID_MOVERIGHT    (103)
 453         char                    **argv;
 454 };
 455
 456 void    focus(struct swm_region *, union arg *);
 457 void    focus_magic(struct ws_win *);
 458
 459 /* quirks */
 460 struct quirk {
 461         char                    *class;
 462         char                    *name;
 463         unsigned long           quirk;
 464 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 465 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 466 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 467 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 468 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 469 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 470 };
 471 int                             quirks_size = 0, quirks_length = 0;
 472 struct quirk                    *quirks = NULL;
 473
 474 /*
 475  * Supported EWMH hints should be added to
 476  * both the enum and the ewmh array
 477  */
 478 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 479     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 480     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 481     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 482     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 483     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 484     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 485     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 486     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 487     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 488     SWM_EWMH_HINT_MAX };
 489
 490 struct ewmh_hint {
 491         char    *name;
 492         Atom     atom;
 493 } ewmh[SWM_EWMH_HINT_MAX] =     {
 494     /* must be in same order as in the enum */
 495     {"_NET_ACTIVE_WINDOW", None},
 496     {"_NET_MOVERESIZE_WINDOW", None},
 497     {"_NET_CLOSE_WINDOW", None},
 498     {"_NET_WM_WINDOW_TYPE", None},
 499     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 500     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 501     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 502     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 503     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 504     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 505     {"_NET_WM_STATE", None},
 506     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 507     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 508     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 509     {"_NET_WM_STATE_SKIP_PAGER", None},
 510     {"_NET_WM_STATE_HIDDEN", None},
 511     {"_NET_WM_STATE_ABOVE", None},
 512     {"_SWM_WM_STATE_MANUAL", None},
 513     {"_NET_WM_STATE_FULLSCREEN", None},
 514     {"_NET_WM_ALLOWED_ACTIONS", None},
 515     {"_NET_WM_ACTION_MOVE", None},
 516     {"_NET_WM_ACTION_RESIZE", None},
 517     {"_NET_WM_ACTION_FULLSCREEN", None},
 518     {"_NET_WM_ACTION_CLOSE", None},
 519 };
 520
 521 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 522 int     floating_toggle_win(struct ws_win *win);
 523 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 524
 525 int
 526 get_property(Window id, Atom atom, long count, Atom type,
 527     unsigned long *n, unsigned char **data)
 528 {
 529         int                     format, status;
 530         unsigned long           tmp, extra;
 531         unsigned long           *nitems;
 532         Atom                    real;
 533
 534         nitems = n != NULL ? n : &tmp;
 535         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 536             &real, &format, nitems, &extra, data);
 537
 538         if (status != Success)
 539                 return False;
 540         if (real != type)
 541                 return False;
 542
 543         return True;
 544 }
 545
 546 void
 547 update_iconic(struct ws_win *win, int newv)
 548 {
 549         int32_t v = newv;
 550         Atom iprop;
 551
 552         win->iconic = newv;
 553
 554         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 555         if (!iprop)
 556                 return;
 557         if (newv)
 558                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 559                     PropModeReplace, (unsigned char *)&v, 1);
 560         else
 561                 XDeleteProperty(display, win->id, iprop);
 562 }
 563
 564 int
 565 get_iconic(struct ws_win *win)
 566 {
 567         int32_t v = 0;
 568         int retfmt, status;
 569         Atom iprop, rettype;
 570         unsigned long nitems, extra;
 571         unsigned char *prop = NULL;
 572
 573         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 574         if (!iprop)
 575                 goto out;
 576         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 577             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 578         if (status != Success)
 579                 goto out;
 580         if (rettype != XA_INTEGER || retfmt != 32)
 581                 goto out;
 582         if (nitems != 1)
 583                 goto out;
 584         v = *((int32_t *)prop);
 585
 586 out:
 587         if (prop != NULL)
 588                 XFree(prop);
 589         return (v);
 590 }
 591
 592 void
 593 setup_ewmh(void)
 594 {
 595         int                     i,j;
 596         Atom                    sup_list;
 597
 598         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 599
 600         for (i = 0; i < LENGTH(ewmh); i++)
 601                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 602
 603         for (i = 0; i < ScreenCount(display); i++) {
 604                 /* Support check window will be created by workaround(). */
 605
 606                 /* Report supported atoms */
 607                 XDeleteProperty(display, screens[i].root, sup_list);
 608                 for (j = 0; j < LENGTH(ewmh); j++)
 609                         XChangeProperty(display, screens[i].root,
 610                             sup_list, XA_ATOM, 32,
 611                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 612         }
 613 }
 614
 615 void
 616 teardown_ewmh(void)
 617 {
 618         int                     i, success;
 619         unsigned char           *data = NULL;
 620         unsigned long           n;
 621         Atom                    sup_check, sup_list;
 622         Window                  id;
 623
 624         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 625         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 626
 627         for (i = 0; i < ScreenCount(display); i++) {
 628                 /* Get the support check window and destroy it */
 629                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 630                     &n, &data);
 631
 632                 if (success) {
 633                         id = data[0];
 634                         XDestroyWindow(display, id);
 635                         XDeleteProperty(display, screens[i].root, sup_check);
 636                         XDeleteProperty(display, screens[i].root, sup_list);
 637                 }
 638
 639                 XFree(data);
 640         }
 641 }
 642
 643 void
 644 ewmh_autoquirk(struct ws_win *win)
 645 {
 646         int                     success, i;
 647         unsigned long           *data = NULL, n;
 648         Atom                    type;
 649
 650         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 651             XA_ATOM, &n, (void *)&data);
 652
 653         if (!success) {
 654                 XFree(data);
 655                 return;
 656         }
 657
 658         for (i = 0; i < n; i++) {
 659                 type = data[i];
 660                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 661                         break;
 662                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 663                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 664                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 665                         win->floating = 1;
 666                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 667                         break;
 668                 }
 669                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 670                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 671                         win->floating = 1;
 672                         win->quirks = SWM_Q_FLOAT;
 673                         break;
 674                 }
 675         }
 676
 677         XFree(data);
 678 }
 679
 680 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 681 #define EWMH_F_FULLSCREEN               (1<<0)
 682 #define EWMH_F_ABOVE                    (1<<1)
 683 #define EWMH_F_HIDDEN                   (1<<2)
 684 #define EWMH_F_SKIP_PAGER               (1<<3)
 685 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 686 #define SWM_F_MANUAL                    (1<<5)
 687
 688 int
 689 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 690 {
 691         struct swm_geometry     rg;
 692
 693         if (!win->ws->r)
 694                 return 0;
 695
 696         if (!win->floating)
 697                 return 0;
 698
 699         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 700             win->id, fs);
 701
 702         rg = win->ws->r->g;
 703
 704         if (fs) {
 705                 store_float_geom(win, win->ws->r);
 706
 707                 win->g.x = rg.x;
 708                 win->g.y = rg.y;
 709                 win->g.w = rg.w;
 710                 win->g.h = rg.h;
 711         } else {
 712                 if (win->g_floatvalid) {
 713                         /* refloat at last floating relative position */
 714                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 715                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 716                         win->g.w = win->g_float.w;
 717                         win->g.h = win->g_float.h;
 718                 }
 719         }
 720
 721         return 1;
 722 }
 723
 724 void
 725 ewmh_update_actions(struct ws_win *win)
 726 {
 727         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 728         int                     n = 0;
 729
 730         if (win == NULL)
 731                 return;
 732
 733         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 734
 735         if (win->floating) {
 736                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 737                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 738         }
 739
 740         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 741             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 742 }
 743
 744 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 745 #define _NET_WM_STATE_ADD       1    /* add/set property */
 746 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 747
 748 void
 749 ewmh_update_win_state(struct ws_win *win, long state, long action)
 750 {
 751         unsigned int            mask = 0;
 752         unsigned int            changed = 0;
 753         unsigned int            orig_flags;
 754
 755         if (win == NULL)
 756                 return;
 757
 758         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 759                 mask = EWMH_F_FULLSCREEN;
 760         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 761                 mask = EWMH_F_ABOVE;
 762         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 763                 mask = SWM_F_MANUAL;
 764         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 765                 mask = EWMH_F_SKIP_PAGER;
 766         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 767                 mask = EWMH_F_SKIP_TASKBAR;
 768
 769
 770         orig_flags = win->ewmh_flags;
 771
 772         switch (action) {
 773         case _NET_WM_STATE_REMOVE:
 774                 win->ewmh_flags &= ~mask;
 775                 break;
 776         case _NET_WM_STATE_ADD:
 777                 win->ewmh_flags |= mask;
 778                 break;
 779         case _NET_WM_STATE_TOGGLE:
 780                 win->ewmh_flags ^= mask;
 781                 break;
 782         }
 783
 784         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 785
 786         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 787                 if (changed)
 788                         if (!floating_toggle_win(win))
 789                                 win->ewmh_flags = orig_flags; /* revert */
 790         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 791                 if (changed)
 792                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 793         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 794                 if (changed)
 795                         if (!ewmh_set_win_fullscreen(win,
 796                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 797                                 win->ewmh_flags = orig_flags; /* revert */
 798
 799         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 800
 801         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 802                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 803                     XA_ATOM, 32, PropModeAppend,
 804                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 805         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 806                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 807                     XA_ATOM, 32, PropModeAppend,
 808                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 809         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 810                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 811                     XA_ATOM, 32, PropModeAppend,
 812                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 813         if (win->ewmh_flags & EWMH_F_ABOVE)
 814                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 815                     XA_ATOM, 32, PropModeAppend,
 816                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 817         if (win->ewmh_flags & SWM_F_MANUAL)
 818                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 819                     XA_ATOM, 32, PropModeAppend,
 820                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 821 }
 822
 823 void
 824 ewmh_get_win_state(struct ws_win *win)
 825 {
 826         int                     success, i;
 827         unsigned long           n;
 828         Atom                    *states;
 829
 830         if (win == NULL)
 831                 return;
 832
 833         win->ewmh_flags = 0;
 834         if (win->floating)
 835                 win->ewmh_flags |= EWMH_F_ABOVE;
 836         if (win->manual)
 837                 win->ewmh_flags |= SWM_F_MANUAL;
 838
 839         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 840             (~0L), XA_ATOM, &n, (void *)&states);
 841
 842         if (!success)
 843                 return;
 844
 845         for (i = 0; i < n; i++)
 846                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 847
 848         XFree(states);
 849 }
 850
 851 /* events */
 852 #ifdef SWM_DEBUG
 853 void
 854 dumpevent(XEvent *e)
 855 {
 856         char                    *name = NULL;
 857
 858         switch (e->type) {
 859         case KeyPress:
 860                 name = "KeyPress";
 861                 break;
 862         case KeyRelease:
 863                 name = "KeyRelease";
 864                 break;
 865         case ButtonPress:
 866                 name = "ButtonPress";
 867                 break;
 868         case ButtonRelease:
 869                 name = "ButtonRelease";
 870                 break;
 871         case MotionNotify:
 872                 name = "MotionNotify";
 873                 break;
 874         case EnterNotify:
 875                 name = "EnterNotify";
 876                 break;
 877         case LeaveNotify:
 878                 name = "LeaveNotify";
 879                 break;
 880         case FocusIn:
 881                 name = "FocusIn";
 882                 break;
 883         case FocusOut:
 884                 name = "FocusOut";
 885                 break;
 886         case KeymapNotify:
 887                 name = "KeymapNotify";
 888                 break;
 889         case Expose:
 890                 name = "Expose";
 891                 break;
 892         case GraphicsExpose:
 893                 name = "GraphicsExpose";
 894                 break;
 895         case NoExpose:
 896                 name = "NoExpose";
 897                 break;
 898         case VisibilityNotify:
 899                 name = "VisibilityNotify";
 900                 break;
 901         case CreateNotify:
 902                 name = "CreateNotify";
 903                 break;
 904         case DestroyNotify:
 905                 name = "DestroyNotify";
 906                 break;
 907         case UnmapNotify:
 908                 name = "UnmapNotify";
 909                 break;
 910         case MapNotify:
 911                 name = "MapNotify";
 912                 break;
 913         case MapRequest:
 914                 name = "MapRequest";
 915                 break;
 916         case ReparentNotify:
 917                 name = "ReparentNotify";
 918                 break;
 919         case ConfigureNotify:
 920                 name = "ConfigureNotify";
 921                 break;
 922         case ConfigureRequest:
 923                 name = "ConfigureRequest";
 924                 break;
 925         case GravityNotify:
 926                 name = "GravityNotify";
 927                 break;
 928         case ResizeRequest:
 929                 name = "ResizeRequest";
 930                 break;
 931         case CirculateNotify:
 932                 name = "CirculateNotify";
 933                 break;
 934         case CirculateRequest:
 935                 name = "CirculateRequest";
 936                 break;
 937         case PropertyNotify:
 938                 name = "PropertyNotify";
 939                 break;
 940         case SelectionClear:
 941                 name = "SelectionClear";
 942                 break;
 943         case SelectionRequest:
 944                 name = "SelectionRequest";
 945                 break;
 946         case SelectionNotify:
 947                 name = "SelectionNotify";
 948                 break;
 949         case ColormapNotify:
 950                 name = "ColormapNotify";
 951                 break;
 952         case ClientMessage:
 953                 name = "ClientMessage";
 954                 break;
 955         case MappingNotify:
 956                 name = "MappingNotify";
 957                 break;
 958         }
 959
 960         if (name)
 961                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 962                     "remaining\n",
 963                     e->xany.window, name, e->type, QLength(display));
 964         else
 965                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 966                     "remaining\n",
 967                     e->xany.window, e->type, QLength(display));
 968 }
 969
 970 void
 971 dumpwins(struct swm_region *r, union arg *args)
 972 {
 973         struct ws_win           *win;
 974         unsigned int            state;
 975         XWindowAttributes       wa;
 976
 977         if (r->ws == NULL) {
 978                 fprintf(stderr, "invalid workspace\n");
 979                 return;
 980         }
 981
 982         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 983
 984         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 985                 state = getstate(win->id);
 986                 if (!XGetWindowAttributes(display, win->id, &wa))
 987                         fprintf(stderr, "window: %lu failed "
 988                             "XGetWindowAttributes\n", win->id);
 989                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 990                     "transient: %lu\n",
 991                     win->id, wa.map_state, state, win->transient);
 992         }
 993
 994         fprintf(stderr, "===== unmanaged window list =====\n");
 995         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 996                 state = getstate(win->id);
 997                 if (!XGetWindowAttributes(display, win->id, &wa))
 998                         fprintf(stderr, "window: %lu failed "
 999                             "XGetWindowAttributes\n", win->id);
1000                 fprintf(stderr, "window: %lu map_state: %d state: %d "
1001                     "transient: %lu\n",
1002                     win->id, wa.map_state, state, win->transient);
1003         }
1004
1005         fprintf(stderr, "=================================\n");
1006 }
1007 #else
1008 #define dumpevent(e)
1009 void
1010 dumpwins(struct swm_region *r, union arg *args)
1011 {
1012 }
1013 #endif /* SWM_DEBUG */
1014
1015 void                    expose(XEvent *);
1016 void                    keypress(XEvent *);
1017 void                    buttonpress(XEvent *);
1018 void                    configurerequest(XEvent *);
1019 void                    configurenotify(XEvent *);
1020 void                    destroynotify(XEvent *);
1021 void                    enternotify(XEvent *);
1022 void                    focusevent(XEvent *);
1023 void                    mapnotify(XEvent *);
1024 void                    mappingnotify(XEvent *);
1025 void                    maprequest(XEvent *);
1026 void                    propertynotify(XEvent *);
1027 void                    unmapnotify(XEvent *);
1028 void                    visibilitynotify(XEvent *);
1029 void                    clientmessage(XEvent *);
1030
1031 void                    (*handler[LASTEvent])(XEvent *) = {
1032                                 [Expose] = expose,
1033                                 [KeyPress] = keypress,
1034                                 [ButtonPress] = buttonpress,
1035                                 [ConfigureRequest] = configurerequest,
1036                                 [ConfigureNotify] = configurenotify,
1037                                 [DestroyNotify] = destroynotify,
1038                                 [EnterNotify] = enternotify,
1039                                 [FocusIn] = focusevent,
1040                                 [FocusOut] = focusevent,
1041                                 [MapNotify] = mapnotify,
1042                                 [MappingNotify] = mappingnotify,
1043                                 [MapRequest] = maprequest,
1044                                 [PropertyNotify] = propertynotify,
1045                                 [UnmapNotify] = unmapnotify,
1046                                 [VisibilityNotify] = visibilitynotify,
1047                                 [ClientMessage] = clientmessage,
1048 };
1049
1050 void
1051 sighdlr(int sig)
1052 {
1053         int                     saved_errno, status;
1054         pid_t                   pid;
1055
1056         saved_errno = errno;
1057
1058         switch (sig) {
1059         case SIGCHLD:
1060                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1061                         if (pid == -1) {
1062                                 if (errno == EINTR)
1063                                         continue;
1064 #ifdef SWM_DEBUG
1065                                 if (errno != ECHILD)
1066                                         warn("sighdlr: waitpid");
1067 #endif /* SWM_DEBUG */
1068                                 break;
1069                         }
1070                         if (pid == searchpid)
1071                                 search_resp = 1;
1072
1073 #ifdef SWM_DEBUG
1074                         if (WIFEXITED(status)) {
1075                                 if (WEXITSTATUS(status) != 0)
1076                                         warnx("sighdlr: child exit status: %d",
1077                                             WEXITSTATUS(status));
1078                         } else
1079                                 warnx("sighdlr: child is terminated "
1080                                     "abnormally");
1081 #endif /* SWM_DEBUG */
1082                 }
1083                 break;
1084
1085         case SIGHUP:
1086                 restart_wm = 1;
1087                 break;
1088         case SIGINT:
1089         case SIGTERM:
1090         case SIGQUIT:
1091                 running = 0;
1092                 break;
1093         }
1094
1095         errno = saved_errno;
1096 }
1097
1098 struct pid_e *
1099 find_pid(long pid)
1100 {
1101         struct pid_e            *p = NULL;
1102
1103         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1104
1105         if (pid == 0)
1106                 return (NULL);
1107
1108         TAILQ_FOREACH(p, &pidlist, entry) {
1109                 if (p->pid == pid)
1110                         return (p);
1111         }
1112
1113         return (NULL);
1114 }
1115
1116 unsigned long
1117 name_to_color(char *colorname)
1118 {
1119         Colormap                cmap;
1120         Status                  status;
1121         XColor                  screen_def, exact_def;
1122         unsigned long           result = 0;
1123         char                    cname[32] = "#";
1124
1125         cmap = DefaultColormap(display, screens[0].idx);
1126         status = XAllocNamedColor(display, cmap, colorname,
1127             &screen_def, &exact_def);
1128         if (!status) {
1129                 strlcat(cname, colorname + 2, sizeof cname - 1);
1130                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1131                     &exact_def);
1132         }
1133         if (status)
1134                 result = screen_def.pixel;
1135         else
1136                 fprintf(stderr, "color '%s' not found.\n", colorname);
1137
1138         return (result);
1139 }
1140
1141 void
1142 setscreencolor(char *val, int i, int c)
1143 {
1144         if (i > 0 && i <= ScreenCount(display)) {
1145                 screens[i - 1].c[c].color = name_to_color(val);
1146                 free(screens[i - 1].c[c].name);
1147                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1148                         errx(1, "strdup");
1149         } else if (i == -1) {
1150                 for (i = 0; i < ScreenCount(display); i++) {
1151                         screens[i].c[c].color = name_to_color(val);
1152                         free(screens[i].c[c].name);
1153                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1154                                 errx(1, "strdup");
1155                 }
1156         } else
1157                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1158                     i, ScreenCount(display));
1159 }
1160
1161 void
1162 fancy_stacker(struct workspace *ws)
1163 {
1164         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1165         if (ws->cur_layout->l_stack == vertical_stack)
1166                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1167                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1168         if (ws->cur_layout->l_stack == horizontal_stack)
1169                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1170                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1171 }
1172
1173 void
1174 plain_stacker(struct workspace *ws)
1175 {
1176         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1177         if (ws->cur_layout->l_stack == vertical_stack)
1178                 strlcpy(ws->stacker, "[|]", sizeof ws->stacker);
1179         if (ws->cur_layout->l_stack == horizontal_stack)
1180                 strlcpy(ws->stacker, "[-]", sizeof ws->stacker);
1181 }
1182
1183 void
1184 custom_region(char *val)
1185 {
1186         unsigned int                    sidx, x, y, w, h;
1187
1188         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1189                 errx(1, "invalid custom region, "
1190                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1191         if (sidx < 1 || sidx > ScreenCount(display))
1192                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1193                     sidx, ScreenCount(display));
1194         sidx--;
1195
1196         if (w < 1 || h < 1)
1197                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1198
1199         if (x > DisplayWidth(display, sidx) ||
1200             y > DisplayHeight(display, sidx) ||
1201             w + x > DisplayWidth(display, sidx) ||
1202             h + y > DisplayHeight(display, sidx)) {
1203                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1204                     "- not within screen boundaries "
1205                     "(%ux%u)\n", w, h, x, y,
1206                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1207                 return;
1208         }
1209
1210         new_region(&screens[sidx], x, y, w, h);
1211 }
1212
1213 void
1214 socket_setnonblock(int fd)
1215 {
1216         int                     flags;
1217
1218         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1219                 err(1, "fcntl F_GETFL");
1220         flags |= O_NONBLOCK;
1221         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1222                 err(1, "fcntl F_SETFL");
1223 }
1224
1225 void
1226 bar_print(struct swm_region *r, char *s)
1227 {
1228         int                     textwidth, x;
1229         size_t          len;
1230
1231         XClearWindow(display, r->bar_window);
1232         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1233
1234         len = strlen(s);
1235         textwidth = XTextWidth(bar_fs, s, len);
1236
1237         switch (bar_justify) {
1238         case SWM_BAR_JUSTIFY_LEFT:
1239                 x = SWM_BAR_OFFSET;
1240                 break;
1241         case SWM_BAR_JUSTIFY_CENTER:
1242                 x = (WIDTH(r) - textwidth) / 2;
1243                 break;
1244         case SWM_BAR_JUSTIFY_RIGHT:
1245                 x = WIDTH(r) - textwidth - SWM_BAR_OFFSET;
1246                 break;
1247         }
1248
1249         if (x < SWM_BAR_OFFSET)
1250                 x = SWM_BAR_OFFSET;
1251
1252         XDrawString(display, r->bar_window, bar_gc, x, bar_fs->ascent, s, len);
1253 }
1254
1255 void
1256 bar_extra_stop(void)
1257 {
1258         if (bar_pipe[0]) {
1259                 close(bar_pipe[0]);
1260                 bzero(bar_pipe, sizeof bar_pipe);
1261         }
1262         if (bar_pid) {
1263                 kill(bar_pid, SIGTERM);
1264                 bar_pid = 0;
1265         }
1266         strlcpy(bar_ext, "", sizeof bar_ext);
1267         bar_extra = 0;
1268 }
1269
1270 void
1271 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1272 {
1273         int                     do_class, do_name;
1274         Status                  status;
1275         XClassHint              *xch = NULL;
1276
1277         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1278             cur_focus != NULL) {
1279                 if ((xch = XAllocClassHint()) == NULL)
1280                         goto out;
1281                 status = XGetClassHint(display, cur_focus->id, xch);
1282                 if (status == BadWindow || status == BadAlloc)
1283                         goto out;
1284                 do_class = (title_class_enabled && xch->res_class != NULL);
1285                 do_name = (title_name_enabled && xch->res_name != NULL);
1286                 if (do_class)
1287                         strlcat(s, xch->res_class, sz);
1288                 if (do_class && do_name)
1289                         strlcat(s, ":", sz);
1290                 if (do_name)
1291                         strlcat(s, xch->res_name, sz);
1292                 strlcat(s, "    ", sz);
1293         }
1294 out:
1295         if (xch)
1296                 XFree(xch);
1297 }
1298
1299 void
1300 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1301 {
1302         char                    *title;
1303
1304         if (window_name_enabled && cur_focus != NULL) {
1305                 XFetchName(display, cur_focus->id, &title);
1306                 if (title) {
1307                         if (cur_focus->floating)
1308                                 strlcat(s, "(f) ", sz);
1309                         strlcat(s, title, sz);
1310                         strlcat(s, " ", sz);
1311                         XFree(title);
1312                 }
1313         }
1314 }
1315
1316 int             urgent[SWM_WS_MAX];
1317 void
1318 bar_urgent(char *s, ssize_t sz)
1319 {
1320         XWMHints                *wmh = NULL;
1321         struct ws_win           *win;
1322         int                     i, j;
1323         char                    b[8];
1324
1325         if (urgent_enabled == 0)
1326                 return;
1327
1328         for (i = 0; i < SWM_WS_MAX; i++)
1329                 urgent[i] = 0;
1330
1331         for (i = 0; i < ScreenCount(display); i++)
1332                 for (j = 0; j < SWM_WS_MAX; j++)
1333                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1334                                 wmh = XGetWMHints(display, win->id);
1335                                 if (wmh == NULL)
1336                                         continue;
1337
1338                                 if (wmh->flags & XUrgencyHint)
1339                                         urgent[j] = 1;
1340                                 XFree(wmh);
1341                         }
1342
1343         strlcat(s, "* ", sz);
1344         for (i = 0; i < SWM_WS_MAX; i++) {
1345                 if (urgent[i])
1346                         snprintf(b, sizeof b, "%d ", i + 1);
1347                 else
1348                         snprintf(b, sizeof b, "- ");
1349                 strlcat(s, b, sz);
1350         }
1351         strlcat(s, "*    ", sz);
1352 }
1353
1354 void
1355 bar_update(void)
1356 {
1357         time_t                  tmt;
1358         struct tm               tm;
1359         struct swm_region       *r;
1360         int                     i, x;
1361         size_t                  len;
1362         char                    s[SWM_BAR_MAX];
1363         char                    cn[SWM_BAR_MAX];
1364         char                    loc[SWM_BAR_MAX];
1365         char                    *b, *stack = "";
1366
1367         if (bar_enabled == 0)
1368                 return;
1369         if (bar_extra && bar_extra_running) {
1370                 /* ignore short reads; it'll correct itself */
1371                 while ((b = fgetln(stdin, &len)) != NULL)
1372                         if (b && b[len - 1] == '\n') {
1373                                 b[len - 1] = '\0';
1374                                 strlcpy(bar_ext, b, sizeof bar_ext);
1375                         }
1376                 if (b == NULL && errno != EAGAIN) {
1377                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1378                             errno, strerror(errno));
1379                         bar_extra_stop();
1380                 }
1381         } else
1382                 strlcpy(bar_ext, "", sizeof bar_ext);
1383
1384         if (clock_enabled == 0)
1385                 strlcpy(s, "", sizeof s);
1386         else {
1387                 time(&tmt);
1388                 localtime_r(&tmt, &tm);
1389                 strftime(s, sizeof s, clock_format, &tm);
1390                 strlcat(s, "    ", sizeof s);
1391         }
1392
1393         for (i = 0; i < ScreenCount(display); i++) {
1394                 x = 1;
1395                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1396                         strlcpy(cn, "", sizeof cn);
1397                         if (r && r->ws) {
1398                                 bar_urgent(cn, sizeof cn);
1399                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1400                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1401                         }
1402                         if (stack_enabled)
1403                                 stack = r->ws->stacker;
1404
1405                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1406                             x++, r->ws->idx + 1, stack, s, cn, bar_ext, bar_vertext);
1407                         bar_print(r, loc);
1408                 }
1409         }
1410         alarm(bar_delay);
1411 }
1412
1413 void
1414 bar_signal(int sig)
1415 {
1416         bar_alarm = 1;
1417 }
1418
1419 void
1420 bar_toggle(struct swm_region *r, union arg *args)
1421 {
1422         struct swm_region       *tmpr;
1423         int                     i, sc = ScreenCount(display);
1424
1425         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1426
1427         if (bar_enabled)
1428                 for (i = 0; i < sc; i++)
1429                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1430                                 XUnmapWindow(display, tmpr->bar_window);
1431         else
1432                 for (i = 0; i < sc; i++)
1433                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1434                                 XMapRaised(display, tmpr->bar_window);
1435
1436         bar_enabled = !bar_enabled;
1437
1438         stack();
1439         /* must be after stack */
1440         bar_update();
1441 }
1442
1443 void
1444 bar_refresh(void)
1445 {
1446         XSetWindowAttributes    wa;
1447         struct swm_region       *r;
1448         int                     i;
1449
1450         /* do this here because the conf file is in memory */
1451         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1452                 /* launch external status app */
1453                 bar_extra_running = 1;
1454                 if (pipe(bar_pipe) == -1)
1455                         err(1, "pipe error");
1456                 socket_setnonblock(bar_pipe[0]);
1457                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1458                 if (dup2(bar_pipe[0], 0) == -1)
1459                         errx(1, "dup2");
1460                 if (dup2(bar_pipe[1], 1) == -1)
1461                         errx(1, "dup2");
1462                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1463                         err(1, "could not disable SIGPIPE");
1464                 switch (bar_pid = fork()) {
1465                 case -1:
1466                         err(1, "cannot fork");
1467                         break;
1468                 case 0: /* child */
1469                         close(bar_pipe[0]);
1470                         execvp(bar_argv[0], bar_argv);
1471                         err(1, "%s external app failed", bar_argv[0]);
1472                         break;
1473                 default: /* parent */
1474                         close(bar_pipe[1]);
1475                         break;
1476                 }
1477         }
1478
1479         bzero(&wa, sizeof wa);
1480         for (i = 0; i < ScreenCount(display); i++)
1481                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1482                         wa.border_pixel =
1483                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1484                         wa.background_pixel =
1485                             screens[i].c[SWM_S_COLOR_BAR].color;
1486                         XChangeWindowAttributes(display, r->bar_window,
1487                             CWBackPixel | CWBorderPixel, &wa);
1488                 }
1489         bar_update();
1490 }
1491
1492 void
1493 bar_setup(struct swm_region *r)
1494 {
1495         int                     i, x, y;
1496
1497         if (bar_fs) {
1498                 XFreeFont(display, bar_fs);
1499                 bar_fs = NULL;
1500         }
1501
1502         for (i = 0; bar_fonts[i] != NULL; i++) {
1503                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1504                 if (bar_fs) {
1505                         bar_fidx = i;
1506                         break;
1507                 }
1508         }
1509         if (bar_fonts[i] == NULL)
1510                         errx(1, "couldn't load font");
1511         if (bar_fs == NULL)
1512                 errx(1, "couldn't create font structure");
1513
1514         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1515             2 * bar_border_width;
1516         x = X(r);
1517         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1518
1519         r->bar_window = XCreateSimpleWindow(display,
1520             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1521             bar_height - 2 * bar_border_width,
1522             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1523             r->s->c[SWM_S_COLOR_BAR].color);
1524         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1525         XSetFont(display, bar_gc, bar_fs->fid);
1526         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1527         if (bar_enabled)
1528                 XMapRaised(display, r->bar_window);
1529         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1530
1531         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1532                 err(1, "could not install bar_signal");
1533         bar_refresh();
1534 }
1535
1536 void
1537 drain_enter_notify(void)
1538 {
1539         int                     i = 0;
1540         XEvent                  cne;
1541
1542         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1543                 i++;
1544
1545         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1546 }
1547
1548 void
1549 set_win_state(struct ws_win *win, long state)
1550 {
1551         long                    data[] = {state, None};
1552
1553         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1554
1555         if (win == NULL)
1556                 return;
1557
1558         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1559             (unsigned char *)data, 2);
1560 }
1561
1562 long
1563 getstate(Window w)
1564 {
1565         long                    result = -1;
1566         unsigned char           *p = NULL;
1567         unsigned long           n;
1568
1569         if (!get_property(w, astate, 2L, astate, &n, &p))
1570                 return (-1);
1571         if (n != 0)
1572                 result = *((long *)p);
1573         XFree(p);
1574         return (result);
1575 }
1576
1577 void
1578 version(struct swm_region *r, union arg *args)
1579 {
1580         bar_version = !bar_version;
1581         if (bar_version)
1582                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s Build: %s",
1583                     SCROTWM_VERSION, buildstr);
1584         else
1585                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1586         bar_update();
1587 }
1588
1589 void
1590 client_msg(struct ws_win *win, Atom a)
1591 {
1592         XClientMessageEvent     cm;
1593
1594         if (win == NULL)
1595                 return;
1596
1597         bzero(&cm, sizeof cm);
1598         cm.type = ClientMessage;
1599         cm.window = win->id;
1600         cm.message_type = aprot;
1601         cm.format = 32;
1602         cm.data.l[0] = a;
1603         cm.data.l[1] = CurrentTime;
1604         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1605 }
1606
1607 void
1608 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1609 {
1610         XConfigureEvent         ce;
1611
1612         if (win == NULL)
1613                 return;
1614
1615         if (ev == NULL) {
1616                 DNPRINTF(SWM_D_MISC,
1617                     "config_win: win %lu x %d y %d w %d h %d\n",
1618                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1619
1620                 ce.type = ConfigureNotify;
1621                 ce.display = display;
1622                 ce.event = win->id;
1623                 ce.window = win->id;
1624                 ce.x = win->g.x;
1625                 ce.y = win->g.y;
1626                 ce.width = win->g.w;
1627                 ce.height = win->g.h;
1628                 ce.border_width = border_width;
1629                 ce.above = None;
1630                 ce.override_redirect = False;
1631         } else {
1632                 DNPRINTF(SWM_D_MISC,
1633                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1634                     ev->window, ev->x, ev->y, ev->width, ev->height);
1635                 ce.type = ConfigureNotify;
1636                 ce.display = ev->display;
1637                 ce.event = ev->window;
1638                 ce.window = ev->window;
1639                 ce.x = ev->x;
1640                 ce.y = ev->y;
1641                 ce.width = ev->width;
1642                 ce.height = ev->height;
1643                 ce.border_width = ev->border_width;
1644                 ce.above = ev->above;
1645                 ce.override_redirect = False;
1646         }
1647
1648         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1649 }
1650
1651 int
1652 count_win(struct workspace *ws, int count_transient)
1653 {
1654         struct ws_win           *win;
1655         int                     count = 0;
1656
1657         TAILQ_FOREACH(win, &ws->winlist, entry) {
1658                 if (count_transient == 0 && win->floating)
1659                         continue;
1660                 if (count_transient == 0 && win->transient)
1661                         continue;
1662                 if (win->iconic)
1663                         continue;
1664                 count++;
1665         }
1666         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1667
1668         return (count);
1669 }
1670
1671 void
1672 quit(struct swm_region *r, union arg *args)
1673 {
1674         DNPRINTF(SWM_D_MISC, "quit\n");
1675         running = 0;
1676 }
1677
1678 void
1679 unmap_window(struct ws_win *win)
1680 {
1681         if (win == NULL)
1682                 return;
1683
1684         /* don't unmap again */
1685         if (getstate(win->id) == IconicState)
1686                 return;
1687
1688         set_win_state(win, IconicState);
1689
1690         XUnmapWindow(display, win->id);
1691         XSetWindowBorder(display, win->id,
1692             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1693 }
1694
1695 void
1696 unmap_all(void)
1697 {
1698         struct ws_win           *win;
1699         int                     i, j;
1700
1701         for (i = 0; i < ScreenCount(display); i++)
1702                 for (j = 0; j < SWM_WS_MAX; j++)
1703                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1704                                 unmap_window(win);
1705 }
1706
1707 void
1708 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1709 {
1710         XKeyEvent event;
1711
1712         if (win == NULL)
1713                 return;
1714
1715         event.display = display;        /* Ignored, but what the hell */
1716         event.window = win->id;
1717         event.root = win->s->root;
1718         event.subwindow = None;
1719         event.time = CurrentTime;
1720         event.x = win->g.x;
1721         event.y = win->g.y;
1722         event.x_root = 1;
1723         event.y_root = 1;
1724         event.same_screen = True;
1725         event.keycode = XKeysymToKeycode(display, keysym);
1726         event.state = modifiers;
1727
1728         event.type = KeyPress;
1729         XSendEvent(event.display, event.window, True,
1730             KeyPressMask, (XEvent *)&event);
1731
1732         event.type = KeyRelease;
1733         XSendEvent(event.display, event.window, True,
1734             KeyPressMask, (XEvent *)&event);
1735
1736 }
1737
1738 void
1739 restart(struct swm_region *r, union arg *args)
1740 {
1741         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1742
1743         /* disable alarm because the following code may not be interrupted */
1744         alarm(0);
1745         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1746                 errx(1, "can't disable alarm");
1747
1748         bar_extra_stop();
1749         bar_extra = 1;
1750         unmap_all();
1751         XCloseDisplay(display);
1752         execvp(start_argv[0], start_argv);
1753         fprintf(stderr, "execvp failed\n");
1754         perror(" failed");
1755         quit(NULL, NULL);
1756 }
1757
1758 struct swm_region *
1759 root_to_region(Window root)
1760 {
1761         struct swm_region       *r = NULL;
1762         Window                  rr, cr;
1763         int                     i, x, y, wx, wy;
1764         unsigned int            mask;
1765
1766         for (i = 0; i < ScreenCount(display); i++)
1767                 if (screens[i].root == root)
1768                         break;
1769
1770         if (XQueryPointer(display, screens[i].root,
1771             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1772                 /* choose a region based on pointer location */
1773                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1774                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1775                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1776                                 break;
1777         }
1778
1779         if (r == NULL)
1780                 r = TAILQ_FIRST(&screens[i].rl);
1781
1782         return (r);
1783 }
1784
1785 struct ws_win *
1786 find_unmanaged_window(Window id)
1787 {
1788         struct ws_win           *win;
1789         int                     i, j;
1790
1791         for (i = 0; i < ScreenCount(display); i++)
1792                 for (j = 0; j < SWM_WS_MAX; j++)
1793                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1794                             entry)
1795                                 if (id == win->id)
1796                                         return (win);
1797         return (NULL);
1798 }
1799
1800 struct ws_win *
1801 find_window(Window id)
1802 {
1803         struct ws_win           *win;
1804         Window                  wrr, wpr, *wcr = NULL;
1805         int                     i, j;
1806         unsigned int            nc;
1807
1808         for (i = 0; i < ScreenCount(display); i++)
1809                 for (j = 0; j < SWM_WS_MAX; j++)
1810                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1811                                 if (id == win->id)
1812                                         return (win);
1813
1814         /* if we were looking for the parent return that window instead */
1815         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1816                 return (NULL);
1817         if (wcr)
1818                 XFree(wcr);
1819
1820         /* ignore not found and root */
1821         if (wpr == 0 || wrr == wpr)
1822                 return (NULL);
1823
1824         /* look for parent */
1825         for (i = 0; i < ScreenCount(display); i++)
1826                 for (j = 0; j < SWM_WS_MAX; j++)
1827                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1828                                 if (wpr == win->id)
1829                                         return (win);
1830
1831         return (NULL);
1832 }
1833
1834 void
1835 spawn(int ws_idx, union arg *args, int close_fd)
1836 {
1837         int                     fd;
1838         char                    *ret = NULL;
1839
1840         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1841
1842         if (display)
1843                 close(ConnectionNumber(display));
1844
1845         setenv("LD_PRELOAD", SWM_LIB, 1);
1846
1847         if (asprintf(&ret, "%d", ws_idx) == -1) {
1848                 perror("_SWM_WS");
1849                 _exit(1);
1850         }
1851         setenv("_SWM_WS", ret, 1);
1852         free(ret);
1853         ret = NULL;
1854
1855         if (asprintf(&ret, "%d", getpid()) == -1) {
1856                 perror("_SWM_PID");
1857                 _exit(1);
1858         }
1859         setenv("_SWM_PID", ret, 1);
1860         free(ret);
1861         ret = NULL;
1862
1863         if (setsid() == -1) {
1864                 perror("setsid");
1865                 _exit(1);
1866         }
1867
1868         if (close_fd) {
1869                 /*
1870                  * close stdin and stdout to prevent interaction between apps
1871                  * and the baraction script
1872                  * leave stderr open to record errors
1873                 */
1874                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1875                         perror("open");
1876                         _exit(1);
1877                 }
1878                 dup2(fd, STDIN_FILENO);
1879                 dup2(fd, STDOUT_FILENO);
1880                 if (fd > 2)
1881                         close(fd);
1882         }
1883
1884         execvp(args->argv[0], args->argv);
1885
1886         perror("execvp");
1887         _exit(1);
1888 }
1889
1890 void
1891 spawnterm(struct swm_region *r, union arg *args)
1892 {
1893         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1894
1895         if (fork() == 0) {
1896                 if (term_width)
1897                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1898                 spawn(r->ws->idx, args, 1);
1899         }
1900 }
1901
1902 void
1903 kill_refs(struct ws_win *win)
1904 {
1905         int                     i, x;
1906         struct swm_region       *r;
1907         struct workspace        *ws;
1908
1909         if (win == NULL)
1910                 return;
1911
1912         for (i = 0; i < ScreenCount(display); i++)
1913                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1914                         for (x = 0; x < SWM_WS_MAX; x++) {
1915                                 ws = &r->s->ws[x];
1916                                 if (win == ws->focus)
1917                                         ws->focus = NULL;
1918                                 if (win == ws->focus_prev)
1919                                         ws->focus_prev = NULL;
1920                         }
1921 }
1922
1923 int
1924 validate_win(struct ws_win *testwin)
1925 {
1926         struct ws_win           *win;
1927         struct workspace        *ws;
1928         struct swm_region       *r;
1929         int                     i, x, foundit = 0;
1930
1931         if (testwin == NULL)
1932                 return (0);
1933
1934         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1935                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1936                         for (x = 0; x < SWM_WS_MAX; x++) {
1937                                 ws = &r->s->ws[x];
1938                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1939                                         if (win == testwin)
1940                                                 return (0);
1941                         }
1942         return (1);
1943 }
1944
1945 int
1946 validate_ws(struct workspace *testws)
1947 {
1948         struct swm_region       *r;
1949         struct workspace        *ws;
1950         int                     foundit, i, x;
1951
1952         /* validate all ws */
1953         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1954                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1955                         for (x = 0; x < SWM_WS_MAX; x++) {
1956                                 ws = &r->s->ws[x];
1957                                 if (ws == testws)
1958                                         return (0);
1959                         }
1960         return (1);
1961 }
1962
1963 void
1964 unfocus_win(struct ws_win *win)
1965 {
1966         XEvent                  cne;
1967         Window                  none = None;
1968
1969         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1970
1971         if (win == NULL)
1972                 return;
1973         if (win->ws == NULL)
1974                 return;
1975
1976         if (validate_ws(win->ws))
1977                 return; /* XXX this gets hit with thunderbird, needs fixing */
1978
1979         if (win->ws->r == NULL)
1980                 return;
1981
1982         if (validate_win(win)) {
1983                 kill_refs(win);
1984                 return;
1985         }
1986
1987         if (win->ws->focus == win) {
1988                 win->ws->focus = NULL;
1989                 win->ws->focus_prev = win;
1990         }
1991
1992         if (validate_win(win->ws->focus)) {
1993                 kill_refs(win->ws->focus);
1994                 win->ws->focus = NULL;
1995         }
1996         if (validate_win(win->ws->focus_prev)) {
1997                 kill_refs(win->ws->focus_prev);
1998                 win->ws->focus_prev = NULL;
1999         }
2000
2001         /* drain all previous unfocus events */
2002         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2003                 ;
2004
2005         grabbuttons(win, 0);
2006         XSetWindowBorder(display, win->id,
2007             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2008
2009         XChangeProperty(display, win->s->root,
2010             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2011             PropModeReplace, (unsigned char *)&none,1);
2012 }
2013
2014 void
2015 unfocus_all(void)
2016 {
2017         struct ws_win           *win;
2018         int                     i, j;
2019
2020         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2021
2022         for (i = 0; i < ScreenCount(display); i++)
2023                 for (j = 0; j < SWM_WS_MAX; j++)
2024                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2025                                 unfocus_win(win);
2026 }
2027
2028 void
2029 focus_win(struct ws_win *win)
2030 {
2031         XEvent                  cne;
2032         Window                  cur_focus;
2033         int                     rr;
2034         struct ws_win           *cfw = NULL;
2035
2036
2037         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
2038
2039         if (win == NULL)
2040                 return;
2041         if (win->ws == NULL)
2042                 return;
2043
2044         if (validate_ws(win->ws))
2045                 return; /* XXX this gets hit with thunderbird, needs fixing */
2046
2047         if (validate_win(win)) {
2048                 kill_refs(win);
2049                 return;
2050         }
2051
2052         if (validate_win(win)) {
2053                 kill_refs(win);
2054                 return;
2055         }
2056
2057         XGetInputFocus(display, &cur_focus, &rr);
2058         if ((cfw = find_window(cur_focus)) != NULL)
2059                 unfocus_win(cfw);
2060         else {
2061                 /* use larger hammer since the window was killed somehow */
2062                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2063                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2064                                 XSetWindowBorder(display, cfw->id,
2065                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2066         }
2067
2068         win->ws->focus = win;
2069
2070         if (win->ws->r != NULL) {
2071                 /* drain all previous focus events */
2072                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2073                         ;
2074
2075                 if (win->java == 0)
2076                         XSetInputFocus(display, win->id,
2077                             RevertToParent, CurrentTime);
2078                 grabbuttons(win, 1);
2079                 XSetWindowBorder(display, win->id,
2080                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2081                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2082                     win->ws->always_raise)
2083                         XMapRaised(display, win->id);
2084
2085                 XChangeProperty(display, win->s->root,
2086                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2087                     PropModeReplace, (unsigned char *)&win->id,1);
2088         }
2089
2090         if (window_name_enabled)
2091                 bar_update();
2092 }
2093
2094 void
2095 switchws(struct swm_region *r, union arg *args)
2096 {
2097         int                     wsid = args->id, unmap_old = 0;
2098         struct swm_region       *this_r, *other_r;
2099         struct ws_win           *win;
2100         struct workspace        *new_ws, *old_ws;
2101         union arg               a;
2102
2103         if (!(r && r->s))
2104                 return;
2105
2106         this_r = r;
2107         old_ws = this_r->ws;
2108         new_ws = &this_r->s->ws[wsid];
2109
2110         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
2111             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
2112             old_ws->idx, wsid);
2113
2114         if (new_ws == NULL || old_ws == NULL)
2115                 return;
2116         if (new_ws == old_ws)
2117                 return;
2118
2119         other_r = new_ws->r;
2120         if (other_r == NULL) {
2121                 /* the other workspace is hidden, hide this one */
2122                 old_ws->r = NULL;
2123                 unmap_old = 1;
2124         } else {
2125                 /* the other ws is visible in another region, exchange them */
2126                 other_r->ws_prior = new_ws;
2127                 other_r->ws = old_ws;
2128                 old_ws->r = other_r;
2129         }
2130         this_r->ws_prior = old_ws;
2131         this_r->ws = new_ws;
2132         new_ws->r = this_r;
2133
2134         /* this is needed so that we can click on a window after a restart */
2135         unfocus_all();
2136
2137         stack();
2138         a.id = SWM_ARG_ID_FOCUSCUR;
2139         focus(new_ws->r, &a);
2140
2141         bar_update();
2142
2143         /* unmap old windows */
2144         if (unmap_old)
2145                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2146                         unmap_window(win);
2147
2148         if (focus_mode == SWM_FOCUS_DEFAULT)
2149                 drain_enter_notify();
2150 }
2151
2152 void
2153 cyclews(struct swm_region *r, union arg *args)
2154 {
2155         union                   arg a;
2156         struct swm_screen       *s = r->s;
2157         int                     cycle_all = 0;
2158
2159         DNPRINTF(SWM_D_WS, "cyclews id %d "
2160             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2161             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2162
2163         a.id = r->ws->idx;
2164         do {
2165                 switch (args->id) {
2166                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2167                         cycle_all = 1;
2168                         /* FALLTHROUGH */
2169                 case SWM_ARG_ID_CYCLEWS_UP:
2170                         if (a.id < SWM_WS_MAX - 1)
2171                                 a.id++;
2172                         else
2173                                 a.id = 0;
2174                         break;
2175                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2176                         cycle_all = 1;
2177                         /* FALLTHROUGH */
2178                 case SWM_ARG_ID_CYCLEWS_DOWN:
2179                         if (a.id > 0)
2180                                 a.id--;
2181                         else
2182                                 a.id = SWM_WS_MAX - 1;
2183                         break;
2184                 default:
2185                         return;
2186                 };
2187
2188                 if (!cycle_all &&
2189                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2190                         continue;
2191                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2192                         continue;
2193
2194                 switchws(r, &a);
2195         } while (a.id != r->ws->idx);
2196 }
2197
2198 void
2199 priorws(struct swm_region *r, union arg *args)
2200 {
2201         union arg               a;
2202
2203         DNPRINTF(SWM_D_WS, "priorws id %d "
2204             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2205             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2206
2207         if (r->ws_prior == NULL)
2208                 return;
2209
2210         a.id = r->ws_prior->idx;
2211         switchws(r, &a);
2212 }
2213
2214 void
2215 cyclescr(struct swm_region *r, union arg *args)
2216 {
2217         struct swm_region       *rr = NULL;
2218         union arg               a;
2219         int                     i, x, y;
2220
2221         /* do nothing if we don't have more than one screen */
2222         if (!(ScreenCount(display) > 1 || outputs > 1))
2223                 return;
2224
2225         i = r->s->idx;
2226         switch (args->id) {
2227         case SWM_ARG_ID_CYCLESC_UP:
2228                 rr = TAILQ_NEXT(r, entry);
2229                 if (rr == NULL)
2230                         rr = TAILQ_FIRST(&screens[i].rl);
2231                 break;
2232         case SWM_ARG_ID_CYCLESC_DOWN:
2233                 rr = TAILQ_PREV(r, swm_region_list, entry);
2234                 if (rr == NULL)
2235                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2236                 break;
2237         default:
2238                 return;
2239         };
2240         if (rr == NULL)
2241                 return;
2242
2243         /* move mouse to region */
2244         x = rr->g.x + 1;
2245         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2246         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2247
2248         a.id = SWM_ARG_ID_FOCUSCUR;
2249         focus(rr, &a);
2250
2251         if (rr->ws->focus) {
2252                 /* move to focus window */
2253                 x = rr->ws->focus->g.x + 1;
2254                 y = rr->ws->focus->g.y + 1;
2255                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2256         }
2257 }
2258
2259 void
2260 sort_windows(struct ws_win_list *wl)
2261 {
2262         struct ws_win           *win, *parent, *nxt;
2263
2264         if (wl == NULL)
2265                 return;
2266
2267         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2268                 nxt = TAILQ_NEXT(win, entry);
2269                 if (win->transient) {
2270                         parent = find_window(win->transient);
2271                         if (parent == NULL) {
2272                                 fprintf(stderr, "not possible bug\n");
2273                                 continue;
2274                         }
2275                         TAILQ_REMOVE(wl, win, entry);
2276                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2277                 }
2278         }
2279
2280 }
2281
2282 void
2283 swapwin(struct swm_region *r, union arg *args)
2284 {
2285         struct ws_win           *target, *source;
2286         struct ws_win           *cur_focus;
2287         struct ws_win_list      *wl;
2288
2289
2290         DNPRINTF(SWM_D_WS, "swapwin id %d "
2291             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2292             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2293
2294         cur_focus = r->ws->focus;
2295         if (cur_focus == NULL)
2296                 return;
2297
2298         source = cur_focus;
2299         wl = &source->ws->winlist;
2300
2301         switch (args->id) {
2302         case SWM_ARG_ID_SWAPPREV:
2303                 if (source->transient)
2304                         source = find_window(source->transient);
2305                 target = TAILQ_PREV(source, ws_win_list, entry);
2306                 if (target && target->transient)
2307                         target = find_window(target->transient);
2308                 TAILQ_REMOVE(wl, source, entry);
2309                 if (target == NULL)
2310                         TAILQ_INSERT_TAIL(wl, source, entry);
2311                 else
2312                         TAILQ_INSERT_BEFORE(target, source, entry);
2313                 break;
2314         case SWM_ARG_ID_SWAPNEXT:
2315                 target = TAILQ_NEXT(source, entry);
2316                 /* move the parent and let the sort handle the move */
2317                 if (source->transient)
2318                         source = find_window(source->transient);
2319                 TAILQ_REMOVE(wl, source, entry);
2320                 if (target == NULL)
2321                         TAILQ_INSERT_HEAD(wl, source, entry);
2322                 else
2323                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2324                 break;
2325         case SWM_ARG_ID_SWAPMAIN:
2326                 target = TAILQ_FIRST(wl);
2327                 if (target == source) {
2328                         if (source->ws->focus_prev != NULL &&
2329                             source->ws->focus_prev != target)
2330
2331                                 source = source->ws->focus_prev;
2332                         else
2333                                 return;
2334                 }
2335                 if (target == NULL || source == NULL)
2336                         return;
2337                 source->ws->focus_prev = target;
2338                 TAILQ_REMOVE(wl, target, entry);
2339                 TAILQ_INSERT_BEFORE(source, target, entry);
2340                 TAILQ_REMOVE(wl, source, entry);
2341                 TAILQ_INSERT_HEAD(wl, source, entry);
2342                 break;
2343         case SWM_ARG_ID_MOVELAST:
2344                 TAILQ_REMOVE(wl, source, entry);
2345                 TAILQ_INSERT_TAIL(wl, source, entry);
2346                 break;
2347         default:
2348                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2349                 return;
2350         }
2351
2352         sort_windows(wl);
2353
2354         stack();
2355 }
2356
2357 void
2358 focus_prev(struct ws_win *win)
2359 {
2360         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2361         struct ws_win           *cur_focus = NULL;
2362         struct ws_win_list      *wl = NULL;
2363         struct workspace        *ws = NULL;
2364
2365         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2366
2367         if (!(win && win->ws))
2368                 return;
2369
2370         ws = win->ws;
2371         wl = &ws->winlist;
2372         cur_focus = ws->focus;
2373         winlostfocus = cur_focus;
2374
2375         /* pickle, just focus on whatever */
2376         if (cur_focus == NULL) {
2377                 /* use prev_focus if valid */
2378                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2379                     find_window(WINID(ws->focus_prev)))
2380                         winfocus = ws->focus_prev;
2381                 if (winfocus == NULL)
2382                         winfocus = TAILQ_FIRST(wl);
2383                 goto done;
2384         }
2385
2386         /* if transient focus on parent */
2387         if (cur_focus->transient) {
2388                 winfocus = find_window(cur_focus->transient);
2389                 goto done;
2390         }
2391
2392         /* if in max_stack try harder */
2393         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2394             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2395                 if (cur_focus != ws->focus_prev)
2396                         winfocus = ws->focus_prev;
2397                 else if (cur_focus != ws->focus)
2398                         winfocus = ws->focus;
2399                 else
2400                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2401                 if (winfocus)
2402                         goto done;
2403         }
2404
2405         if (cur_focus == win)
2406                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2407         if (winfocus == NULL)
2408                 winfocus = TAILQ_LAST(wl, ws_win_list);
2409         if (winfocus == NULL || winfocus == win)
2410                 winfocus = TAILQ_NEXT(cur_focus, entry);
2411 done:
2412         if (winfocus == winlostfocus || winfocus == NULL)
2413                 return;
2414
2415         focus_magic(winfocus);
2416 }
2417
2418 void
2419 focus(struct swm_region *r, union arg *args)
2420 {
2421         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2422         struct ws_win           *cur_focus = NULL;
2423         struct ws_win_list      *wl = NULL;
2424         struct workspace        *ws = NULL;
2425
2426         if (!(r && r->ws))
2427                 return;
2428
2429         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2430
2431         /* treat FOCUS_CUR special */
2432         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2433                 if (r->ws->focus && r->ws->focus->iconic == 0)
2434                         winfocus = r->ws->focus;
2435                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2436                         winfocus = r->ws->focus_prev;
2437                 else
2438                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2439                                 if (winfocus->iconic == 0)
2440                                         break;
2441
2442                 focus_magic(winfocus);
2443                 return;
2444         }
2445
2446         if ((cur_focus = r->ws->focus) == NULL)
2447                 return;
2448         ws = r->ws;
2449         wl = &ws->winlist;
2450
2451         winlostfocus = cur_focus;
2452
2453         switch (args->id) {
2454         case SWM_ARG_ID_FOCUSPREV:
2455                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2456                 if (head == NULL)
2457                         head = TAILQ_LAST(wl, ws_win_list);
2458                 winfocus = head;
2459                 if (WINID(winfocus) == cur_focus->transient) {
2460                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2461                         if (head == NULL)
2462                                 head = TAILQ_LAST(wl, ws_win_list);
2463                         winfocus = head;
2464                 }
2465
2466                 /* skip iconics */
2467                 if (winfocus && winfocus->iconic) {
2468                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2469                                 if (winfocus->iconic == 0)
2470                                         break;
2471                 }
2472                 break;
2473
2474         case SWM_ARG_ID_FOCUSNEXT:
2475                 head = TAILQ_NEXT(cur_focus, entry);
2476                 if (head == NULL)
2477                         head = TAILQ_FIRST(wl);
2478                 winfocus = head;
2479
2480                 /* skip iconics */
2481                 if (winfocus && winfocus->iconic) {
2482                         TAILQ_FOREACH(winfocus, wl, entry)
2483                                 if (winfocus->iconic == 0)
2484                                         break;
2485                 }
2486                 break;
2487
2488         case SWM_ARG_ID_FOCUSMAIN:
2489                 winfocus = TAILQ_FIRST(wl);
2490                 if (winfocus == cur_focus)
2491                         winfocus = cur_focus->ws->focus_prev;
2492                 break;
2493
2494         default:
2495                 return;
2496         }
2497         if (winfocus == winlostfocus || winfocus == NULL)
2498                 return;
2499
2500         focus_magic(winfocus);
2501 }
2502
2503 void
2504 cycle_layout(struct swm_region *r, union arg *args)
2505 {
2506         struct workspace        *ws = r->ws;
2507         struct ws_win           *winfocus;
2508         union arg               a;
2509
2510         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2511
2512         winfocus = ws->focus;
2513
2514         ws->cur_layout++;
2515         if (ws->cur_layout->l_stack == NULL)
2516                 ws->cur_layout = &layouts[0];
2517
2518         stack();
2519         if (focus_mode == SWM_FOCUS_DEFAULT)
2520                 drain_enter_notify();
2521         a.id = SWM_ARG_ID_FOCUSCUR;
2522         focus(r, &a);
2523         bar_update();
2524 }
2525
2526 void
2527 stack_config(struct swm_region *r, union arg *args)
2528 {
2529         struct workspace        *ws = r->ws;
2530
2531         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2532             args->id, ws->idx);
2533
2534         if (ws->cur_layout->l_config != NULL)
2535                 ws->cur_layout->l_config(ws, args->id);
2536
2537         if (args->id != SWM_ARG_ID_STACKINIT)
2538                 stack();
2539         bar_update();
2540 }
2541
2542 void
2543 stack(void) {
2544         struct swm_geometry     g;
2545         struct swm_region       *r;
2546         int                     i, j;
2547
2548         DNPRINTF(SWM_D_STACK, "stack\n");
2549
2550         for (i = 0; i < ScreenCount(display); i++) {
2551                 j = 0;
2552                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2553                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2554                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2555
2556                         /* start with screen geometry, adjust for bar */
2557                         g = r->g;
2558                         g.w -= 2 * border_width;
2559                         g.h -= 2 * border_width;
2560                         if (bar_enabled) {
2561                                 if (!bar_at_bottom)
2562                                         g.y += bar_height;
2563                                 g.h -= bar_height;
2564                         }
2565                         r->ws->cur_layout->l_stack(r->ws, &g);
2566                         r->ws->cur_layout->l_string(r->ws);
2567                         /* save r so we can track region changes */
2568                         r->ws->old_r = r;
2569                 }
2570         }
2571         if (font_adjusted)
2572                 font_adjusted--;
2573
2574         if (focus_mode == SWM_FOCUS_DEFAULT)
2575                 drain_enter_notify();
2576 }
2577
2578 void
2579 store_float_geom(struct ws_win *win, struct swm_region *r)
2580 {
2581         /* retain window geom and region geom */
2582         win->g_float.x = win->g.x;
2583         win->g_float.y = win->g.y;
2584         win->g_float.w = win->g.w;
2585         win->g_float.h = win->g.h;
2586         win->rg_float.x = r->g.x;
2587         win->rg_float.y = r->g.y;
2588         win->rg_float.w = r->g.w;
2589         win->rg_float.h = r->g.h;
2590         win->g_floatvalid = 1;
2591 }
2592
2593 void
2594 stack_floater(struct ws_win *win, struct swm_region *r)
2595 {
2596         unsigned int            mask;
2597         XWindowChanges          wc;
2598
2599         if (win == NULL)
2600                 return;
2601
2602         bzero(&wc, sizeof wc);
2603         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2604
2605         /*
2606          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2607          * geom on ws switches or return from max mode
2608          */
2609
2610         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2611             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2612                 /*
2613                  * use stored g and rg to set relative position and size
2614                  * as in old region or before max stack mode
2615                  */
2616                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2617                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2618                 win->g.w = win->g_float.w;
2619                 win->g.h = win->g_float.h;
2620                 win->g_floatvalid = 0;
2621         }
2622
2623         win->floatmaxed = 0;
2624
2625         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2626             (win->g.h >= HEIGHT(r)))
2627                 wc.border_width = 0;
2628         else
2629                 wc.border_width = border_width;
2630         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2631                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2632                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2633         }
2634
2635         if (!win->manual) {
2636                 /*
2637                  * floaters and transients are auto-centred unless moved
2638                  * or resized
2639                  */
2640                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2641                     2 - wc.border_width;
2642                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2643                     2 - wc.border_width;
2644         }
2645
2646         /* win can be outside r if new r smaller than old r */
2647         /* Ensure top left corner inside r (move probs otherwise) */
2648         if (win->g.x < r->g.x - wc.border_width)
2649                 win->g.x = r->g.x - wc.border_width;
2650         if (win->g.x > r->g.x + r->g.w - 1)
2651                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2652                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2653         if (win->g.y < r->g.y - wc.border_width)
2654                 win->g.y = r->g.y - wc.border_width;
2655         if (win->g.y > r->g.y + r->g.h - 1)
2656                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2657                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2658
2659         wc.x = win->g.x;
2660         wc.y = win->g.y;
2661         wc.width = win->g.w;
2662         wc.height = win->g.h;
2663
2664         /*
2665          * Retain floater and transient geometry for correct positioning
2666          * when ws changes region
2667          */
2668         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2669                 store_float_geom(win, r);
2670
2671         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2672             win->id, wc.x, wc.y, wc.width, wc.height);
2673
2674         XConfigureWindow(display, win->id, mask, &wc);
2675 }
2676
2677 /*
2678  * Send keystrokes to terminal to decrease/increase the font size as the
2679  * window size changes.
2680  */
2681 void
2682 adjust_font(struct ws_win *win)
2683 {
2684         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2685             win->floating || win->transient)
2686                 return;
2687
2688         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2689             win->g.w / win->sh.width_inc < term_width &&
2690             win->font_steps < SWM_MAX_FONT_STEPS) {
2691                 win->font_size_boundary[win->font_steps] =
2692                     (win->sh.width_inc * term_width) + win->sh.base_width;
2693                 win->font_steps++;
2694                 font_adjusted++;
2695                 win->last_inc = win->sh.width_inc;
2696                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2697         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2698             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2699                 win->font_steps--;
2700                 font_adjusted++;
2701                 win->last_inc = win->sh.width_inc;
2702                 fake_keypress(win, XK_KP_Add, ShiftMask);
2703         }
2704 }
2705
2706 #define SWAPXY(g)       do {                            \
2707         int tmp;                                        \
2708         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2709         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2710 } while (0)
2711 void
2712 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2713 {
2714         XWindowChanges          wc;
2715         XWindowAttributes       wa;
2716         struct swm_geometry     win_g, r_g = *g;
2717         struct ws_win           *win, *fs_win = 0;
2718         int                     i, j, s, stacks;
2719         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2720         int                     hrh, extra = 0, h_slice, last_h = 0;
2721         int                     split, colno, winno, mwin, msize, mscale;
2722         int                     remain, missing, v_slice, reconfigure;
2723         unsigned int            mask;
2724
2725         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2726             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2727
2728         winno = count_win(ws, 0);
2729         if (winno == 0 && count_win(ws, 1) == 0)
2730                 return;
2731
2732         TAILQ_FOREACH(win, &ws->winlist, entry)
2733                 if (win->transient == 0 && win->floating == 0
2734                     && win->iconic == 0)
2735                         break;
2736
2737         if (win == NULL)
2738                 goto notiles;
2739
2740         if (rot) {
2741                 w_inc = win->sh.width_inc;
2742                 w_base = win->sh.base_width;
2743                 mwin = ws->l_state.horizontal_mwin;
2744                 mscale = ws->l_state.horizontal_msize;
2745                 stacks = ws->l_state.horizontal_stacks;
2746                 SWAPXY(&r_g);
2747         } else {
2748                 w_inc = win->sh.height_inc;
2749                 w_base = win->sh.base_height;
2750                 mwin = ws->l_state.vertical_mwin;
2751                 mscale = ws->l_state.vertical_msize;
2752                 stacks = ws->l_state.vertical_stacks;
2753         }
2754         win_g = r_g;
2755
2756         if (stacks > winno - mwin)
2757                 stacks = winno - mwin;
2758         if (stacks < 1)
2759                 stacks = 1;
2760
2761         h_slice = r_g.h / SWM_H_SLICE;
2762         if (mwin && winno > mwin) {
2763                 v_slice = r_g.w / SWM_V_SLICE;
2764
2765                 split = mwin;
2766                 colno = split;
2767                 win_g.w = v_slice * mscale;
2768
2769                 if (w_inc > 1 && w_inc < v_slice) {
2770                         /* adjust for window's requested size increment */
2771                         remain = (win_g.w - w_base) % w_inc;
2772                         missing = w_inc - remain;
2773                         win_g.w -= remain;
2774                         extra += remain;
2775                 }
2776
2777                 msize = win_g.w;
2778                 if (flip)
2779                         win_g.x += r_g.w - msize;
2780         } else {
2781                 msize = -2;
2782                 colno = split = winno / stacks;
2783                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2784                     2 * border_width) / stacks);
2785         }
2786         hrh = r_g.h / colno;
2787         extra = r_g.h - (colno * hrh);
2788         win_g.h = hrh - 2 * border_width;
2789
2790         /*  stack all the tiled windows */
2791         i = j = 0, s = stacks;
2792         TAILQ_FOREACH(win, &ws->winlist, entry) {
2793                 if (win->transient != 0 || win->floating != 0)
2794                         continue;
2795                 if (win->iconic != 0)
2796                         continue;
2797
2798                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2799                         fs_win = win;
2800                         continue;
2801                 }
2802
2803                 if (split && i == split) {
2804                         colno = (winno - mwin) / stacks;
2805                         if (s <= (winno - mwin) % stacks)
2806                                 colno++;
2807                         split = split + colno;
2808                         hrh = (r_g.h / colno);
2809                         extra = r_g.h - (colno * hrh);
2810                         if (flip)
2811                                 win_g.x = r_g.x;
2812                         else
2813                                 win_g.x += win_g.w + 2 * border_width;
2814                         win_g.w = (r_g.w - msize -
2815                             (stacks * 2 * border_width)) / stacks;
2816                         if (s == 1)
2817                                 win_g.w += (r_g.w - msize -
2818                                     (stacks * 2 * border_width)) % stacks;
2819                         s--;
2820                         j = 0;
2821                 }
2822                 win_g.h = hrh - 2 * border_width;
2823                 if (rot) {
2824                         h_inc = win->sh.width_inc;
2825                         h_base = win->sh.base_width;
2826                 } else {
2827                         h_inc = win->sh.height_inc;
2828                         h_base = win->sh.base_height;
2829                 }
2830                 if (j == colno - 1) {
2831                         win_g.h = hrh + extra;
2832                 } else if (h_inc > 1 && h_inc < h_slice) {
2833                         /* adjust for window's requested size increment */
2834                         remain = (win_g.h - h_base) % h_inc;
2835                         missing = h_inc - remain;
2836
2837                         if (missing <= extra || j == 0) {
2838                                 extra -= missing;
2839                                 win_g.h += missing;
2840                         } else {
2841                                 win_g.h -= remain;
2842                                 extra += remain;
2843                         }
2844                 }
2845
2846                 if (j == 0)
2847                         win_g.y = r_g.y;
2848                 else
2849                         win_g.y += last_h + 2 * border_width;
2850
2851                 bzero(&wc, sizeof wc);
2852                 if (disable_border && bar_enabled == 0 && winno == 1){
2853                         wc.border_width = 0;
2854                         win_g.w += 2 * border_width;
2855                         win_g.h += 2 * border_width;
2856                 } else
2857                         wc.border_width = border_width;
2858                 reconfigure = 0;
2859                 if (rot) {
2860                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2861                             win->g.w != win_g.h || win->g.h != win_g.w) {
2862                                 reconfigure = 1;
2863                                 win->g.x = wc.x = win_g.y;
2864                                 win->g.y = wc.y = win_g.x;
2865                                 win->g.w = wc.width = win_g.h;
2866                                 win->g.h = wc.height = win_g.w;
2867                         }
2868                 } else {
2869                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2870                             win->g.w != win_g.w || win->g.h != win_g.h) {
2871                                 reconfigure = 1;
2872                                 win->g.x = wc.x = win_g.x;
2873                                 win->g.y = wc.y = win_g.y;
2874                                 win->g.w = wc.width = win_g.w;
2875                                 win->g.h = wc.height = win_g.h;
2876                         }
2877                 }
2878                 if (reconfigure) {
2879                         adjust_font(win);
2880                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2881                         XConfigureWindow(display, win->id, mask, &wc);
2882                 }
2883
2884                 if (XGetWindowAttributes(display, win->id, &wa))
2885                         if (wa.map_state == IsUnmapped)
2886                                 XMapRaised(display, win->id);
2887
2888                 last_h = win_g.h;
2889                 i++;
2890                 j++;
2891         }
2892
2893 notiles:
2894         /* now, stack all the floaters and transients */
2895         TAILQ_FOREACH(win, &ws->winlist, entry) {
2896                 if (win->transient == 0 && win->floating == 0)
2897                         continue;
2898                 if (win->iconic == 1)
2899                         continue;
2900                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2901                         fs_win = win;
2902                         continue;
2903                 }
2904
2905                 stack_floater(win, ws->r);
2906                 XMapRaised(display, win->id);
2907         }
2908
2909         if (fs_win) {
2910                 stack_floater(fs_win, ws->r);
2911                 XMapRaised(display, fs_win->id);
2912         }
2913 }
2914
2915 void
2916 vertical_config(struct workspace *ws, int id)
2917 {
2918         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2919
2920         switch (id) {
2921         case SWM_ARG_ID_STACKRESET:
2922         case SWM_ARG_ID_STACKINIT:
2923                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2924                 ws->l_state.vertical_mwin = 1;
2925                 ws->l_state.vertical_stacks = 1;
2926                 break;
2927         case SWM_ARG_ID_MASTERSHRINK:
2928                 if (ws->l_state.vertical_msize > 1)
2929                         ws->l_state.vertical_msize--;
2930                 break;
2931         case SWM_ARG_ID_MASTERGROW:
2932                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2933                         ws->l_state.vertical_msize++;
2934                 break;
2935         case SWM_ARG_ID_MASTERADD:
2936                 ws->l_state.vertical_mwin++;
2937                 break;
2938         case SWM_ARG_ID_MASTERDEL:
2939                 if (ws->l_state.vertical_mwin > 0)
2940                         ws->l_state.vertical_mwin--;
2941                 break;
2942         case SWM_ARG_ID_STACKINC:
2943                 ws->l_state.vertical_stacks++;
2944                 break;
2945         case SWM_ARG_ID_STACKDEC:
2946                 if (ws->l_state.vertical_stacks > 1)
2947                         ws->l_state.vertical_stacks--;
2948                 break;
2949         default:
2950                 return;
2951         }
2952 }
2953
2954 void
2955 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2956 {
2957         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2958
2959         stack_master(ws, g, 0, 0);
2960 }
2961
2962 void
2963 horizontal_config(struct workspace *ws, int id)
2964 {
2965         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2966
2967         switch (id) {
2968         case SWM_ARG_ID_STACKRESET:
2969         case SWM_ARG_ID_STACKINIT:
2970                 ws->l_state.horizontal_mwin = 1;
2971                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2972                 ws->l_state.horizontal_stacks = 1;
2973                 break;
2974         case SWM_ARG_ID_MASTERSHRINK:
2975                 if (ws->l_state.horizontal_msize > 1)
2976                         ws->l_state.horizontal_msize--;
2977                 break;
2978         case SWM_ARG_ID_MASTERGROW:
2979                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2980                         ws->l_state.horizontal_msize++;
2981                 break;
2982         case SWM_ARG_ID_MASTERADD:
2983                 ws->l_state.horizontal_mwin++;
2984                 break;
2985         case SWM_ARG_ID_MASTERDEL:
2986                 if (ws->l_state.horizontal_mwin > 0)
2987                         ws->l_state.horizontal_mwin--;
2988                 break;
2989         case SWM_ARG_ID_STACKINC:
2990                 ws->l_state.horizontal_stacks++;
2991                 break;
2992         case SWM_ARG_ID_STACKDEC:
2993                 if (ws->l_state.horizontal_stacks > 1)
2994                         ws->l_state.horizontal_stacks--;
2995                 break;
2996         default:
2997                 return;
2998         }
2999 }
3000
3001 void
3002 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3003 {
3004         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3005
3006         stack_master(ws, g, 1, 0);
3007 }
3008
3009 /* fullscreen view */
3010 void
3011 max_stack(struct workspace *ws, struct swm_geometry *g)
3012 {
3013         XWindowChanges          wc;
3014         struct swm_geometry     gg = *g;
3015         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3016         unsigned int            mask;
3017         int                     winno;
3018
3019         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3020
3021         if (ws == NULL)
3022                 return;
3023
3024         winno = count_win(ws, 0);
3025         if (winno == 0 && count_win(ws, 1) == 0)
3026                 return;
3027
3028         TAILQ_FOREACH(win, &ws->winlist, entry) {
3029                 if (win->transient) {
3030                         wintrans = win;
3031                         parent = find_window(win->transient);
3032                         continue;
3033                 }
3034
3035                 if (win->floating && win->floatmaxed == 0 ) {
3036                         /*
3037                          * retain geometry for retrieval on exit from
3038                          * max_stack mode
3039                          */
3040                         store_float_geom(win, ws->r);
3041                         win->floatmaxed = 1;
3042                 }
3043
3044                 /* only reconfigure if necessary */
3045                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
3046                     win->g.h != gg.h) {
3047                         bzero(&wc, sizeof wc);
3048                         win->g.x = wc.x = gg.x;
3049                         win->g.y = wc.y = gg.y;
3050                         if (bar_enabled){
3051                                 wc.border_width = border_width;
3052                                 win->g.w = wc.width = gg.w;
3053                                 win->g.h = wc.height = gg.h;
3054                         } else {
3055                                 wc.border_width = 0;
3056                                 win->g.w = wc.width = gg.w + 2 * border_width;
3057                                 win->g.h = wc.height = gg.h + 2 * border_width;
3058                         }
3059                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3060                         XConfigureWindow(display, win->id, mask, &wc);
3061                 }
3062                 /* unmap only if we don't have multi screen */
3063                 if (win != ws->focus)
3064                         if (!(ScreenCount(display) > 1 || outputs > 1))
3065                                 unmap_window(win);
3066         }
3067
3068         /* put the last transient on top */
3069         if (wintrans) {
3070                 if (parent)
3071                         XMapRaised(display, parent->id);
3072                 stack_floater(wintrans, ws->r);
3073                 focus_magic(wintrans);
3074         }
3075 }
3076
3077 void
3078 send_to_ws(struct swm_region *r, union arg *args)
3079 {
3080         int                     wsid = args->id;
3081         struct ws_win           *win = NULL, *parent;
3082         struct workspace        *ws, *nws;
3083         Atom                    ws_idx_atom = 0;
3084         unsigned char           ws_idx_str[SWM_PROPLEN];
3085         union arg               a;
3086
3087         if (r && r->ws)
3088                 win = r->ws->focus;
3089         else
3090                 return;
3091         if (win == NULL)
3092                 return;
3093         if (win->ws->idx == wsid)
3094                 return;
3095
3096         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
3097
3098         ws = win->ws;
3099         nws = &win->s->ws[wsid];
3100
3101         a.id = SWM_ARG_ID_FOCUSPREV;
3102         focus(r, &a);
3103         if (win->transient) {
3104                 parent = find_window(win->transient);
3105                 if (parent) {
3106                         unmap_window(parent);
3107                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3108                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3109                         parent->ws = nws;
3110                 }
3111         }
3112         unmap_window(win);
3113         TAILQ_REMOVE(&ws->winlist, win, entry);
3114         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3115         win->ws = nws;
3116
3117         /* Try to update the window's workspace property */
3118         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3119         if (ws_idx_atom &&
3120             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3121                 SWM_PROPLEN) {
3122                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3123                     ws_idx_str);
3124                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3125                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3126         }
3127
3128         stack();
3129 }
3130
3131 void
3132 pressbutton(struct swm_region *r, union arg *args)
3133 {
3134         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3135         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3136 }
3137
3138 void
3139 raise_toggle(struct swm_region *r, union arg *args)
3140 {
3141         if (r && r->ws == NULL)
3142                 return;
3143
3144         r->ws->always_raise = !r->ws->always_raise;
3145
3146         /* bring floaters back to top */
3147         if (r->ws->always_raise == 0)
3148                 stack();
3149 }
3150
3151 void
3152 iconify(struct swm_region *r, union arg *args)
3153 {
3154         union arg a;
3155
3156         if (r->ws->focus == NULL)
3157                 return;
3158         unmap_window(r->ws->focus);
3159         update_iconic(r->ws->focus, 1);
3160         stack();
3161         if (focus_mode == SWM_FOCUS_DEFAULT)
3162                 drain_enter_notify();
3163         r->ws->focus = NULL;
3164         a.id = SWM_ARG_ID_FOCUSCUR;
3165         focus(r, &a);
3166 }
3167
3168 unsigned char *
3169 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3170     unsigned long *slen)
3171 {
3172         int                     status, retfmt;
3173         unsigned long           nitems, nbytes, nextra;
3174         unsigned char           *prop = NULL;
3175         Atom                    rettype;
3176
3177         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3178             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3179         if (status != Success)
3180                 return (NULL);
3181         XFree(prop);
3182
3183         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3184             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3185         if (status != Success) {
3186                 XFree(prop);
3187                 return (NULL);
3188         }
3189         if (rettype != stype) {
3190                 XFree(prop);
3191                 return (NULL);
3192         }
3193         *slen = nitems;
3194         return (prop);
3195 }
3196
3197 void
3198 uniconify(struct swm_region *r, union arg *args)
3199 {
3200         struct ws_win           *win;
3201         FILE                    *lfile;
3202         unsigned char           *name;
3203         int                     count = 0;
3204         unsigned long           len;
3205
3206         DNPRINTF(SWM_D_MISC, "uniconify\n");
3207
3208         if (r && r->ws == NULL)
3209                 return;
3210
3211         /* make sure we have anything to uniconify */
3212         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3213                 if (win->ws == NULL)
3214                         continue; /* should never happen */
3215                 if (win->iconic == 0)
3216                         continue;
3217                 count++;
3218         }
3219         if (count == 0)
3220                 return;
3221
3222         search_r = r;
3223         search_resp_action = SWM_SEARCH_UNICONIFY;
3224
3225         spawn_select(r, args, "search", &searchpid);
3226
3227         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3228                 return;
3229
3230         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3231                 if (win->ws == NULL)
3232                         continue; /* should never happen */
3233                 if (win->iconic == 0)
3234                         continue;
3235
3236                 name = get_win_name(display, win->id, a_wmname, a_string,
3237                     &len);
3238                 if (name == NULL)
3239                         continue;
3240                 fprintf(lfile, "%s.%lu\n", name, win->id);
3241                 XFree(name);
3242         }
3243
3244         fclose(lfile);
3245 }
3246
3247 void
3248 search_resp_uniconify(char *resp, unsigned long len)
3249 {
3250         unsigned char           *name;
3251         struct ws_win           *win;
3252         char                    *s;
3253
3254         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp %s\n", resp);
3255
3256         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3257                 if (win->iconic == 0)
3258                         continue;
3259                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3260                 if (name == NULL)
3261                         continue;
3262                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3263                         XFree(name);
3264                         continue;
3265                 }
3266                 XFree(name);
3267                 if (strncmp(s, resp, len) == 0) {
3268                         /* XXX this should be a callback to generalize */
3269                         update_iconic(win, 0);
3270                         free(s);
3271                         break;
3272                 }
3273                 free(s);
3274         }
3275 }
3276
3277 #define MAX_RESP_LEN    1024
3278
3279 void
3280 search_do_resp(void)
3281 {
3282         ssize_t                 rbytes;
3283         char                    *resp;
3284         unsigned long           len;
3285
3286         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3287
3288         search_resp = 0;
3289         searchpid = 0;
3290
3291         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3292                 fprintf(stderr, "search: calloc\n");
3293                 goto done;
3294         }
3295
3296         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3297         if (rbytes <= 0) {
3298                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3299                 goto done;
3300         }
3301         resp[rbytes] = '\0';
3302         len = strlen(resp);
3303
3304         switch (search_resp_action) {
3305         case SWM_SEARCH_UNICONIFY:
3306                 search_resp_uniconify(resp, len);
3307                 break;
3308         }
3309
3310 done:
3311         search_resp_action = SWM_SEARCH_NONE;
3312         close(select_resp_pipe[0]);
3313         free(resp);
3314 }
3315
3316 void
3317 wkill(struct swm_region *r, union arg *args)
3318 {
3319         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3320
3321         if (r->ws->focus == NULL)
3322                 return;
3323
3324         if (args->id == SWM_ARG_ID_KILLWINDOW)
3325                 XKillClient(display, r->ws->focus->id);
3326         else
3327                 if (r->ws->focus->can_delete)
3328                         client_msg(r->ws->focus, adelete);
3329 }
3330
3331
3332 int
3333 floating_toggle_win(struct ws_win *win)
3334 {
3335         struct swm_region       *r;
3336
3337         if (win == NULL)
3338                 return 0;
3339
3340         if (!win->ws->r)
3341                 return 0;
3342
3343         r = win->ws->r;
3344
3345         /* reject floating toggles in max stack mode */
3346         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3347                 return 0;
3348
3349         if (win->floating) {
3350                 if (!win->floatmaxed) {
3351                         /* retain position for refloat */
3352                         store_float_geom(win, r);
3353                 }
3354                 win->floating = 0;
3355         } else {
3356                 if (win->g_floatvalid) {
3357                         /* refloat at last floating relative position */
3358                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3359                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3360                         win->g.w = win->g_float.w;
3361                         win->g.h = win->g_float.h;
3362                 }
3363                 win->floating = 1;
3364         }
3365
3366         ewmh_update_actions(win);
3367
3368         return 1;
3369 }
3370
3371 void
3372 floating_toggle(struct swm_region *r, union arg *args)
3373 {
3374         struct ws_win           *win = r->ws->focus;
3375         union arg               a;
3376
3377         if (win == NULL)
3378                 return;
3379
3380         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3381             _NET_WM_STATE_TOGGLE);
3382
3383         stack();
3384         if (focus_mode == SWM_FOCUS_DEFAULT)
3385                 drain_enter_notify();
3386
3387         if (win == win->ws->focus) {
3388                 a.id = SWM_ARG_ID_FOCUSCUR;
3389                 focus(win->ws->r, &a);
3390         }
3391 }
3392
3393 void
3394 resize_window(struct ws_win *win, int center)
3395 {
3396         unsigned int            mask;
3397         XWindowChanges          wc;
3398         struct swm_region       *r;
3399
3400         r = root_to_region(win->wa.root);
3401         bzero(&wc, sizeof wc);
3402         mask = CWBorderWidth | CWWidth | CWHeight;
3403         wc.border_width = border_width;
3404         wc.width = win->g.w;
3405         wc.height = win->g.h;
3406         if (center == SWM_ARG_ID_CENTER) {
3407                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3408                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3409                 mask |= CWX | CWY;
3410         }
3411
3412         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3413             win->id, wc.x, wc.y, wc.width, wc.height);
3414
3415         XConfigureWindow(display, win->id, mask, &wc);
3416 }
3417
3418 #define SWM_RESIZE_STEPS        (50)
3419
3420 void
3421 resize(struct ws_win *win, union arg *args)
3422 {
3423         XEvent                  ev;
3424         Time                    time = 0;
3425         struct swm_region       *r = NULL;
3426         int                     relx, rely;
3427         int                     resize_step = 0;
3428
3429         if (win == NULL)
3430                 return;
3431         r = win->ws->r;
3432
3433         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3434             win->id, win->floating, win->transient);
3435
3436         if (!(win->transient != 0 || win->floating != 0))
3437                 return;
3438
3439         /* reject resizes in max mode for floaters (transient ok) */
3440         if (win->floatmaxed)
3441                 return;
3442
3443         win->manual = 1;
3444         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3445             _NET_WM_STATE_ADD);
3446
3447         stack();
3448
3449         switch (args->id) {
3450         case SWM_ARG_ID_WIDTHSHRINK:
3451                 win->g.w -= SWM_RESIZE_STEPS;
3452                 resize_step = 1;
3453                 break;
3454         case SWM_ARG_ID_WIDTHGROW:
3455                 win->g.w += SWM_RESIZE_STEPS;
3456                 resize_step = 1;
3457                 break;
3458         case SWM_ARG_ID_HEIGHTSHRINK:
3459                 win->g.h -= SWM_RESIZE_STEPS;
3460                 resize_step = 1;
3461                 break;
3462         case SWM_ARG_ID_HEIGHTGROW:
3463                 win->g.h += SWM_RESIZE_STEPS;
3464                 resize_step = 1;
3465                 break;
3466         default:
3467                 break;
3468         }
3469         if (resize_step) {
3470                 resize_window(win, 0);
3471                 store_float_geom(win,r);
3472                 return;
3473         }
3474
3475         if (focus_mode == SWM_FOCUS_DEFAULT)
3476                 drain_enter_notify();
3477
3478         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3479             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3480                 return;
3481
3482         /* place pointer at bottom left corner or nearest point inside r */
3483         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3484                 relx = win->g.w - 1;
3485         else
3486                 relx = r->g.x + r->g.w - win->g.x - 1;
3487
3488         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3489                 rely = win->g.h - 1;
3490         else
3491                 rely = r->g.y + r->g.h - win->g.y - 1;
3492
3493         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3494         do {
3495                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3496                     SubstructureRedirectMask, &ev);
3497                 switch (ev.type) {
3498                 case ConfigureRequest:
3499                 case Expose:
3500                 case MapRequest:
3501                         handler[ev.type](&ev);
3502                         break;
3503                 case MotionNotify:
3504                         /* do not allow resize outside of region */
3505                         if (    ev.xmotion.x_root < r->g.x ||
3506                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3507                                 ev.xmotion.y_root < r->g.y ||
3508                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3509                                 continue;
3510
3511                         if (ev.xmotion.x <= 1)
3512                                 ev.xmotion.x = 1;
3513                         if (ev.xmotion.y <= 1)
3514                                 ev.xmotion.y = 1;
3515                         win->g.w = ev.xmotion.x + 1;
3516                         win->g.h = ev.xmotion.y + 1;
3517
3518                         /* not free, don't sync more than 120 times / second */
3519                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3520                                 time = ev.xmotion.time;
3521                                 XSync(display, False);
3522                                 resize_window(win, args->id);
3523                         }
3524                         break;
3525                 }
3526         } while (ev.type != ButtonRelease);
3527         if (time) {
3528                 XSync(display, False);
3529                 resize_window(win, args->id);
3530         }
3531         store_float_geom(win,r);
3532
3533         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3534             win->g.h - 1);
3535         XUngrabPointer(display, CurrentTime);
3536
3537         /* drain events */
3538         drain_enter_notify();
3539 }
3540
3541 void
3542 resize_step(struct swm_region *r, union arg *args)
3543 {
3544         struct ws_win           *win = NULL;
3545
3546         if (r && r->ws && r->ws->focus)
3547                 win = r->ws->focus;
3548         else
3549                 return;
3550
3551         resize(win, args);
3552 }
3553
3554
3555 void
3556 move_window(struct ws_win *win)
3557 {
3558         unsigned int            mask;
3559         XWindowChanges          wc;
3560         struct swm_region       *r;
3561
3562         r = root_to_region(win->wa.root);
3563         bzero(&wc, sizeof wc);
3564         mask = CWX | CWY;
3565         wc.x = win->g.x;
3566         wc.y = win->g.y;
3567         wc.border_width = border_width;
3568
3569         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3570             win->id, wc.x, wc.y, wc.width, wc.height);
3571
3572         XConfigureWindow(display, win->id, mask, &wc);
3573 }
3574
3575 #define SWM_MOVE_STEPS  (50)
3576
3577 void
3578 move(struct ws_win *win, union arg *args)
3579 {
3580         XEvent                  ev;
3581         Time                    time = 0;
3582         int                     move_step = 0;
3583         struct swm_region       *r = NULL;
3584
3585         if (win == NULL)
3586                 return;
3587         r = win->ws->r;
3588
3589         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3590             win->id, win->floating, win->transient);
3591
3592         /* in max_stack mode should only move transients */
3593         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3594                 return;
3595
3596         win->manual = 1;
3597         if (win->floating == 0 && !win->transient) {
3598                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3599                     _NET_WM_STATE_ADD);
3600         }
3601         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3602             _NET_WM_STATE_ADD);
3603
3604         stack();
3605
3606         move_step = 0;
3607         switch (args->id) {
3608         case SWM_ARG_ID_MOVELEFT:
3609                 win->g.x -= (SWM_MOVE_STEPS - border_width);
3610                 move_step = 1;
3611                 break;
3612         case SWM_ARG_ID_MOVERIGHT:
3613                 win->g.x += (SWM_MOVE_STEPS - border_width);
3614                 move_step = 1;
3615                 break;
3616         case SWM_ARG_ID_MOVEUP:
3617                 win->g.y -= (SWM_MOVE_STEPS - border_width);
3618                 move_step = 1;
3619                 break;
3620         case SWM_ARG_ID_MOVEDOWN:
3621                 win->g.y += (SWM_MOVE_STEPS - border_width);
3622                 move_step = 1;
3623                 break;
3624         default:
3625                 break;
3626         }
3627         if (move_step) {
3628                 move_window(win);
3629                 store_float_geom(win,r);
3630                 return;
3631         }
3632
3633
3634         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3635             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3636                 return;
3637         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3638         do {
3639                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3640                     SubstructureRedirectMask, &ev);
3641                 switch (ev.type) {
3642                 case ConfigureRequest:
3643                 case Expose:
3644                 case MapRequest:
3645                         handler[ev.type](&ev);
3646                         break;
3647                 case MotionNotify:
3648                         /* don't allow to move window origin out of region */
3649                         if (    ev.xmotion.x_root < r->g.x ||
3650                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3651                                 ev.xmotion.y_root < r->g.y ||
3652                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3653                                 continue;
3654
3655                         win->g.x = ev.xmotion.x_root - border_width;
3656                         win->g.y = ev.xmotion.y_root - border_width;
3657
3658                         /* not free, don't sync more than 120 times / second */
3659                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3660                                 time = ev.xmotion.time;
3661                                 XSync(display, False);
3662                                 move_window(win);
3663                         }
3664                         break;
3665                 }
3666         } while (ev.type != ButtonRelease);
3667         if (time) {
3668                 XSync(display, False);
3669                 move_window(win);
3670         }
3671         store_float_geom(win,r);
3672         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3673         XUngrabPointer(display, CurrentTime);
3674
3675         /* drain events */
3676         drain_enter_notify();
3677 }
3678
3679 void
3680 move_step(struct swm_region *r, union arg *args)
3681 {
3682         struct ws_win           *win = NULL;
3683
3684         if (r && r->ws && r->ws->focus)
3685                 win = r->ws->focus;
3686         else
3687                 return;
3688
3689         if (!(win->transient != 0 || win->floating != 0))
3690                 return;
3691
3692         move(win, args);
3693 }
3694
3695
3696 /* user/key callable function IDs */
3697 enum keyfuncid {
3698         kf_cycle_layout,
3699         kf_stack_reset,
3700         kf_master_shrink,
3701         kf_master_grow,
3702         kf_master_add,
3703         kf_master_del,
3704         kf_stack_inc,
3705         kf_stack_dec,
3706         kf_swap_main,
3707         kf_focus_next,
3708         kf_focus_prev,
3709         kf_swap_next,
3710         kf_swap_prev,
3711         kf_spawn_term,
3712         kf_spawn_menu,
3713         kf_quit,
3714         kf_restart,
3715         kf_focus_main,
3716         kf_ws_1,
3717         kf_ws_2,
3718         kf_ws_3,
3719         kf_ws_4,
3720         kf_ws_5,
3721         kf_ws_6,
3722         kf_ws_7,
3723         kf_ws_8,
3724         kf_ws_9,
3725         kf_ws_10,
3726         kf_ws_next,
3727         kf_ws_prev,
3728         kf_ws_next_all,
3729         kf_ws_prev_all,
3730         kf_ws_prior,
3731         kf_screen_next,
3732         kf_screen_prev,
3733         kf_mvws_1,
3734         kf_mvws_2,
3735         kf_mvws_3,
3736         kf_mvws_4,
3737         kf_mvws_5,
3738         kf_mvws_6,
3739         kf_mvws_7,
3740         kf_mvws_8,
3741         kf_mvws_9,
3742         kf_mvws_10,
3743         kf_bar_toggle,
3744         kf_wind_kill,
3745         kf_wind_del,
3746         kf_screenshot_all,
3747         kf_screenshot_wind,
3748         kf_float_toggle,
3749         kf_version,
3750         kf_spawn_lock,
3751         kf_spawn_initscr,
3752         kf_spawn_custom,
3753         kf_iconify,
3754         kf_uniconify,
3755         kf_raise_toggle,
3756         kf_button2,
3757         kf_width_shrink,
3758         kf_width_grow,
3759         kf_height_shrink,
3760         kf_height_grow,
3761         kf_move_left,
3762         kf_move_right,
3763         kf_move_up,
3764         kf_move_down,
3765         kf_dumpwins, /* MUST BE LAST */
3766         kf_invalid
3767 };
3768
3769 /* key definitions */
3770 void
3771 dummykeyfunc(struct swm_region *r, union arg *args)
3772 {
3773 };
3774
3775 void
3776 legacyfunc(struct swm_region *r, union arg *args)
3777 {
3778 };
3779
3780 struct keyfunc {
3781         char                    name[SWM_FUNCNAME_LEN];
3782         void                    (*func)(struct swm_region *r, union arg *);
3783         union arg               args;
3784 } keyfuncs[kf_invalid + 1] = {
3785         /* name                 function        argument */
3786         { "cycle_layout",       cycle_layout,   {0} },
3787         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3788         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3789         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3790         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3791         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3792         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3793         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3794         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3795         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3796         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3797         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3798         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3799         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3800         { "spawn_menu",         legacyfunc,     {0} },
3801         { "quit",               quit,           {0} },
3802         { "restart",            restart,        {0} },
3803         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3804         { "ws_1",               switchws,       {.id = 0} },
3805         { "ws_2",               switchws,       {.id = 1} },
3806         { "ws_3",               switchws,       {.id = 2} },
3807         { "ws_4",               switchws,       {.id = 3} },
3808         { "ws_5",               switchws,       {.id = 4} },
3809         { "ws_6",               switchws,       {.id = 5} },
3810         { "ws_7",               switchws,       {.id = 6} },
3811         { "ws_8",               switchws,       {.id = 7} },
3812         { "ws_9",               switchws,       {.id = 8} },
3813         { "ws_10",              switchws,       {.id = 9} },
3814         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3815         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3816         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
3817         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
3818         { "ws_prior",           priorws,        {0} },
3819         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3820         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3821         { "mvws_1",             send_to_ws,     {.id = 0} },
3822         { "mvws_2",             send_to_ws,     {.id = 1} },
3823         { "mvws_3",             send_to_ws,     {.id = 2} },
3824         { "mvws_4",             send_to_ws,     {.id = 3} },
3825         { "mvws_5",             send_to_ws,     {.id = 4} },
3826         { "mvws_6",             send_to_ws,     {.id = 5} },
3827         { "mvws_7",             send_to_ws,     {.id = 6} },
3828         { "mvws_8",             send_to_ws,     {.id = 7} },
3829         { "mvws_9",             send_to_ws,     {.id = 8} },
3830         { "mvws_10",            send_to_ws,     {.id = 9} },
3831         { "bar_toggle",         bar_toggle,     {0} },
3832         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3833         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3834         { "screenshot_all",     legacyfunc,     {0} },
3835         { "screenshot_wind",    legacyfunc,     {0} },
3836         { "float_toggle",       floating_toggle,{0} },
3837         { "version",            version,        {0} },
3838         { "spawn_lock",         legacyfunc,     {0} },
3839         { "spawn_initscr",      legacyfunc,     {0} },
3840         { "spawn_custom",       dummykeyfunc,   {0} },
3841         { "iconify",            iconify,        {0} },
3842         { "uniconify",          uniconify,      {0} },
3843         { "raise_toggle",       raise_toggle,   {0} },
3844         { "button2",            pressbutton,    {2} },
3845         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
3846         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
3847         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
3848         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
3849         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
3850         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
3851         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
3852         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
3853         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3854         { "invalid key func",   NULL,           {0} },
3855 };
3856 struct key {
3857         unsigned int            mod;
3858         KeySym                  keysym;
3859         enum keyfuncid          funcid;
3860         char                    *spawn_name;
3861 };
3862 int                             keys_size = 0, keys_length = 0;
3863 struct key                      *keys = NULL;
3864
3865 /* mouse */
3866 enum { client_click, root_click };
3867 struct button {
3868         unsigned int            action;
3869         unsigned int            mask;
3870         unsigned int            button;
3871         void                    (*func)(struct ws_win *, union arg *);
3872         union arg               args;
3873 } buttons[] = {
3874           /* action     key             mouse button    func    args */
3875         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3876         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3877         { client_click, MODKEY,         Button1,        move,   {0} },
3878 };
3879
3880 void
3881 update_modkey(unsigned int mod)
3882 {
3883         int                     i;
3884
3885         mod_key = mod;
3886         for (i = 0; i < keys_length; i++)
3887                 if (keys[i].mod & ShiftMask)
3888                         keys[i].mod = mod | ShiftMask;
3889                 else
3890                         keys[i].mod = mod;
3891
3892         for (i = 0; i < LENGTH(buttons); i++)
3893                 if (buttons[i].mask & ShiftMask)
3894                         buttons[i].mask = mod | ShiftMask;
3895                 else
3896                         buttons[i].mask = mod;
3897 }
3898
3899 /* spawn */
3900 struct spawn_prog {
3901         char                    *name;
3902         int                     argc;
3903         char                    **argv;
3904 };
3905
3906 int                             spawns_size = 0, spawns_length = 0;
3907 struct spawn_prog               *spawns = NULL;
3908
3909 int
3910 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3911     char ***ret_args)
3912 {
3913         struct spawn_prog       *prog = NULL;
3914         int                     i;
3915         char                    *ap, **real_args;
3916
3917         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3918
3919         /* find program */
3920         for (i = 0; i < spawns_length; i++) {
3921                 if (!strcasecmp(spawn_name, spawns[i].name))
3922                         prog = &spawns[i];
3923         }
3924         if (prog == NULL) {
3925                 fprintf(stderr, "spawn_custom: program %s not found\n",
3926                     spawn_name);
3927                 return (-1);
3928         }
3929
3930         /* make room for expanded args */
3931         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3932                 err(1, "spawn_custom: calloc real_args");
3933
3934         /* expand spawn_args into real_args */
3935         for (i = 0; i < prog->argc; i++) {
3936                 ap = prog->argv[i];
3937                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3938                 if (!strcasecmp(ap, "$bar_border")) {
3939                         if ((real_args[i] =
3940                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3941                             == NULL)
3942                                 err(1,  "spawn_custom border color");
3943                 } else if (!strcasecmp(ap, "$bar_color")) {
3944                         if ((real_args[i] =
3945                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3946                             == NULL)
3947                                 err(1, "spawn_custom bar color");
3948                 } else if (!strcasecmp(ap, "$bar_font")) {
3949                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3950                             == NULL)
3951                                 err(1, "spawn_custom bar fonts");
3952                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3953                         if ((real_args[i] =
3954                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3955                             == NULL)
3956                                 err(1, "spawn_custom color font");
3957                 } else if (!strcasecmp(ap, "$color_focus")) {
3958                         if ((real_args[i] =
3959                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3960                             == NULL)
3961                                 err(1, "spawn_custom color focus");
3962                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3963                         if ((real_args[i] =
3964                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3965                             == NULL)
3966                                 err(1, "spawn_custom color unfocus");
3967                 } else {
3968                         /* no match --> copy as is */
3969                         if ((real_args[i] = strdup(ap)) == NULL)
3970                                 err(1, "spawn_custom strdup(ap)");
3971                 }
3972                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3973                     real_args[i]);
3974         }
3975
3976 #ifdef SWM_DEBUG
3977         if ((swm_debug & SWM_D_SPAWN) != 0) {
3978                 fprintf(stderr, "spawn_custom: result = ");
3979                 for (i = 0; i < prog->argc; i++)
3980                         fprintf(stderr, "\"%s\" ", real_args[i]);
3981                 fprintf(stderr, "\n");
3982         }
3983 #endif
3984         *ret_args = real_args;
3985         return (prog->argc);
3986 }
3987
3988 void
3989 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3990 {
3991         union arg               a;
3992         char                    **real_args;
3993         int                     spawn_argc, i;
3994
3995         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3996                 return;
3997         a.argv = real_args;
3998         if (fork() == 0)
3999                 spawn(r->ws->idx, &a, 1);
4000
4001         for (i = 0; i < spawn_argc; i++)
4002                 free(real_args[i]);
4003         free(real_args);
4004 }
4005
4006 void
4007 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4008 {
4009         union arg               a;
4010         char                    **real_args;
4011         int                     i, spawn_argc;
4012
4013         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4014                 return;
4015         a.argv = real_args;
4016
4017         if (pipe(select_list_pipe) == -1)
4018                 err(1, "pipe error");
4019         if (pipe(select_resp_pipe) == -1)
4020                 err(1, "pipe error");
4021
4022         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4023                 err(1, "could not disable SIGPIPE");
4024         switch (*pid = fork()) {
4025         case -1:
4026                 err(1, "cannot fork");
4027                 break;
4028         case 0: /* child */
4029                 if (dup2(select_list_pipe[0], 0) == -1)
4030                         errx(1, "dup2");
4031                 if (dup2(select_resp_pipe[1], 1) == -1)
4032                         errx(1, "dup2");
4033                 close(select_list_pipe[1]);
4034                 close(select_resp_pipe[0]);
4035                 spawn(r->ws->idx, &a, 0);
4036                 break;
4037         default: /* parent */
4038                 close(select_list_pipe[0]);
4039                 close(select_resp_pipe[1]);
4040                 break;
4041         }
4042
4043         for (i = 0; i < spawn_argc; i++)
4044                 free(real_args[i]);
4045         free(real_args);
4046 }
4047
4048 void
4049 setspawn(struct spawn_prog *prog)
4050 {
4051         int                     i, j;
4052
4053         if (prog == NULL || prog->name == NULL)
4054                 return;
4055
4056         /* find existing */
4057         for (i = 0; i < spawns_length; i++) {
4058                 if (!strcmp(spawns[i].name, prog->name)) {
4059                         /* found */
4060                         if (prog->argv == NULL) {
4061                                 /* delete */
4062                                 DNPRINTF(SWM_D_SPAWN,
4063                                     "setspawn: delete #%d %s\n",
4064                                     i, spawns[i].name);
4065                                 free(spawns[i].name);
4066                                 for (j = 0; j < spawns[i].argc; j++)
4067                                         free(spawns[i].argv[j]);
4068                                 free(spawns[i].argv);
4069                                 j = spawns_length - 1;
4070                                 if (i < j)
4071                                         spawns[i] = spawns[j];
4072                                 spawns_length--;
4073                                 free(prog->name);
4074                         } else {
4075                                 /* replace */
4076                                 DNPRINTF(SWM_D_SPAWN,
4077                                     "setspawn: replace #%d %s\n",
4078                                     i, spawns[i].name);
4079                                 free(spawns[i].name);
4080                                 for (j = 0; j < spawns[i].argc; j++)
4081                                         free(spawns[i].argv[j]);
4082                                 free(spawns[i].argv);
4083                                 spawns[i] = *prog;
4084                         }
4085                         /* found case handled */
4086                         free(prog);
4087                         return;
4088                 }
4089         }
4090
4091         if (prog->argv == NULL) {
4092                 fprintf(stderr,
4093                     "error: setspawn: cannot find program %s", prog->name);
4094                 free(prog);
4095                 return;
4096         }
4097
4098         /* not found: add */
4099         if (spawns_size == 0 || spawns == NULL) {
4100                 spawns_size = 4;
4101                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4102                 spawns = malloc((size_t)spawns_size *
4103                     sizeof(struct spawn_prog));
4104                 if (spawns == NULL) {
4105                         fprintf(stderr, "setspawn: malloc failed\n");
4106                         perror(" failed");
4107                         quit(NULL, NULL);
4108                 }
4109         } else if (spawns_length == spawns_size) {
4110                 spawns_size *= 2;
4111                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4112                 spawns = realloc(spawns, (size_t)spawns_size *
4113                     sizeof(struct spawn_prog));
4114                 if (spawns == NULL) {
4115                         fprintf(stderr, "setspawn: realloc failed\n");
4116                         perror(" failed");
4117                         quit(NULL, NULL);
4118                 }
4119         }
4120
4121         if (spawns_length < spawns_size) {
4122                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4123                     spawns_length, prog->name);
4124                 i = spawns_length++;
4125                 spawns[i] = *prog;
4126         } else {
4127                 fprintf(stderr, "spawns array problem?\n");
4128                 if (spawns == NULL) {
4129                         fprintf(stderr, "spawns array is NULL!\n");
4130                         quit(NULL, NULL);
4131                 }
4132         }
4133         free(prog);
4134 }
4135
4136 int
4137 setconfspawn(char *selector, char *value, int flags)
4138 {
4139         struct spawn_prog       *prog;
4140         char                    *vp, *cp, *word;
4141
4142         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4143         if ((prog = calloc(1, sizeof *prog)) == NULL)
4144                 err(1, "setconfspawn: calloc prog");
4145         prog->name = strdup(selector);
4146         if (prog->name == NULL)
4147                 err(1, "setconfspawn prog->name");
4148         if ((cp = vp = strdup(value)) == NULL)
4149                 err(1, "setconfspawn: strdup(value) ");
4150         while ((word = strsep(&cp, " \t")) != NULL) {
4151                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4152                 if (cp)
4153                         cp += (long)strspn(cp, " \t");
4154                 if (strlen(word) > 0) {
4155                         prog->argc++;
4156                         if ((prog->argv = realloc(prog->argv,
4157                             prog->argc * sizeof(char *))) == NULL)
4158                                 err(1, "setconfspawn: realloc");
4159                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4160                                 err(1, "setconfspawn: strdup");
4161                 }
4162         }
4163         free(vp);
4164
4165         setspawn(prog);
4166
4167         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4168         return (0);
4169 }
4170
4171 void
4172 setup_spawn(void)
4173 {
4174         setconfspawn("term",            "xterm",                0);
4175         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4176         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4177         setconfspawn("lock",            "xlock",                0);
4178         setconfspawn("initscr",         "initscreen.sh",        0);
4179         setconfspawn("menu",            "dmenu_run"
4180                                         " -fn $bar_font"
4181                                         " -nb $bar_color"
4182                                         " -nf $bar_font_color"
4183                                         " -sb $bar_border"
4184                                         " -sf $bar_color",      0);
4185         setconfspawn("search",          "dmenu"
4186                                         " -i"
4187                                         " -fn $bar_font"
4188                                         " -nb $bar_color"
4189                                         " -nf $bar_font_color"
4190                                         " -sb $bar_border"
4191                                         " -sf $bar_color",      0);
4192 }
4193
4194 /* key bindings */
4195 #define SWM_MODNAME_SIZE        32
4196 #define SWM_KEY_WS              "\n+ \t"
4197 int
4198 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4199 {
4200         char                    *cp, *name;
4201         KeySym                  uks;
4202         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4203         if (mod == NULL || ks == NULL) {
4204                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4205                 return (1);
4206         }
4207         if (keystr == NULL || strlen(keystr) == 0) {
4208                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4209                 return (1);
4210         }
4211         cp = keystr;
4212         *ks = NoSymbol;
4213         *mod = 0;
4214         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4215                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4216                 if (cp)
4217                         cp += (long)strspn(cp, SWM_KEY_WS);
4218                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4219                         *mod |= currmod;
4220                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4221                         *mod |= Mod1Mask;
4222                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4223                         *mod += Mod2Mask;
4224                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4225                         *mod |= Mod3Mask;
4226                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4227                         *mod |= Mod4Mask;
4228                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4229                         *mod |= ShiftMask;
4230                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4231                         *mod |= ControlMask;
4232                 else {
4233                         *ks = XStringToKeysym(name);
4234                         XConvertCase(*ks, ks, &uks);
4235                         if (ks == NoSymbol) {
4236                                 DNPRINTF(SWM_D_KEY,
4237                                     "parsekeys: invalid key %s\n",
4238                                     name);
4239                                 return (1);
4240                         }
4241                 }
4242         }
4243         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4244         return (0);
4245 }
4246
4247 char *
4248 strdupsafe(char *str)
4249 {
4250         if (str == NULL)
4251                 return (NULL);
4252         else
4253                 return (strdup(str));
4254 }
4255
4256 void
4257 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4258     char *spawn_name)
4259 {
4260         int                     i, j;
4261         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4262             keyfuncs[kfid].name, spawn_name);
4263         /* find existing */
4264         for (i = 0; i < keys_length; i++) {
4265                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4266                         if (kfid == kf_invalid) {
4267                                 /* found: delete */
4268                                 DNPRINTF(SWM_D_KEY,
4269                                     "setkeybinding: delete #%d %s\n",
4270                                     i, keyfuncs[keys[i].funcid].name);
4271                                 free(keys[i].spawn_name);
4272                                 j = keys_length - 1;
4273                                 if (i < j)
4274                                         keys[i] = keys[j];
4275                                 keys_length--;
4276                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4277                                 return;
4278                         } else {
4279                                 /* found: replace */
4280                                 DNPRINTF(SWM_D_KEY,
4281                                     "setkeybinding: replace #%d %s %s\n",
4282                                     i, keyfuncs[keys[i].funcid].name,
4283                                     spawn_name);
4284                                 free(keys[i].spawn_name);
4285                                 keys[i].mod = mod;
4286                                 keys[i].keysym = ks;
4287                                 keys[i].funcid = kfid;
4288                                 keys[i].spawn_name = strdupsafe(spawn_name);
4289                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4290                                 return;
4291                         }
4292                 }
4293         }
4294         if (kfid == kf_invalid) {
4295                 fprintf(stderr,
4296                     "error: setkeybinding: cannot find mod/key combination");
4297                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4298                 return;
4299         }
4300         /* not found: add */
4301         if (keys_size == 0 || keys == NULL) {
4302                 keys_size = 4;
4303                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4304                 keys = malloc((size_t)keys_size * sizeof(struct key));
4305                 if (keys == NULL) {
4306                         fprintf(stderr, "malloc failed\n");
4307                         perror(" failed");
4308                         quit(NULL, NULL);
4309                 }
4310         } else if (keys_length == keys_size) {
4311                 keys_size *= 2;
4312                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4313                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4314                 if (keys == NULL) {
4315                         fprintf(stderr, "realloc failed\n");
4316                         perror(" failed");
4317                         quit(NULL, NULL);
4318                 }
4319         }
4320         if (keys_length < keys_size) {
4321                 j = keys_length++;
4322                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4323                     j, keyfuncs[kfid].name, spawn_name);
4324                 keys[j].mod = mod;
4325                 keys[j].keysym = ks;
4326                 keys[j].funcid = kfid;
4327                 keys[j].spawn_name = strdupsafe(spawn_name);
4328         } else {
4329                 fprintf(stderr, "keys array problem?\n");
4330                 if (keys == NULL) {
4331                         fprintf(stderr, "keys array problem\n");
4332                         quit(NULL, NULL);
4333                 }
4334         }
4335         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4336 }
4337
4338 int
4339 setconfbinding(char *selector, char *value, int flags)
4340 {
4341         enum keyfuncid          kfid;
4342         unsigned int            mod;
4343         KeySym                  ks;
4344         int                     i;
4345         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4346         if (selector == NULL) {
4347                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4348                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4349                         kfid = kf_invalid;
4350                         setkeybinding(mod, ks, kfid, NULL);
4351                         return (0);
4352                 } else
4353                         return (1);
4354         }
4355         /* search by key function name */
4356         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4357                 if (strncasecmp(selector, keyfuncs[kfid].name,
4358                     SWM_FUNCNAME_LEN) == 0) {
4359                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4360                             selector);
4361                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4362                                 setkeybinding(mod, ks, kfid, NULL);
4363                                 return (0);
4364                         } else
4365                                 return (1);
4366                 }
4367         }
4368         /* search by custom spawn name */
4369         for (i = 0; i < spawns_length; i++) {
4370                 if (strcasecmp(selector, spawns[i].name) == 0) {
4371                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4372                             selector);
4373                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4374                                 setkeybinding(mod, ks, kf_spawn_custom,
4375                                     spawns[i].name);
4376                                 return (0);
4377                         } else
4378                                 return (1);
4379                 }
4380         }
4381         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4382         return (1);
4383 }
4384
4385 void
4386 setup_keys(void)
4387 {
4388         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4389         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4390         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4391         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4392         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4393         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4394         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4395         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4396         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4397         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4398         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4399         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4400         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4401         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4402         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4403         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4404         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4405         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4406         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4407         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4408         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4409         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4410         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4411         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4412         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4413         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4414         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4415         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4416         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4417         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4418         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4419         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4420         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4421         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4422         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4423         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4424         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4425         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4426         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4427         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4428         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4429         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4430         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4431         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4432         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4433         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4434         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4435         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4436         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4437         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4438         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4439         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4440         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4441         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4442         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4443         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4444         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4445         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4446         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4447         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4448         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4449         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4450         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4451         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4452         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4453         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4454         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4455         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4456 #ifdef SWM_DEBUG
4457         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4458 #endif
4459 }
4460
4461 void
4462 clear_keys(void)
4463 {
4464         int                     i;
4465
4466         /* clear all key bindings, if any */
4467         for (i = 0; i < keys_length; i++)
4468                 free(keys[i].spawn_name);
4469         keys_length = 0;
4470 }
4471
4472 int
4473 setkeymapping(char *selector, char *value, int flags)
4474 {
4475         char                    keymapping_file[PATH_MAX];
4476         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4477         if (value[0] == '~')
4478                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4479                     pwd->pw_dir, &value[1]);
4480         else
4481                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4482         clear_keys();
4483         /* load new key bindings; if it fails, revert to default bindings */
4484         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4485                 clear_keys();
4486                 setup_keys();
4487         }
4488         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4489         return (0);
4490 }
4491
4492 void
4493 updatenumlockmask(void)
4494 {
4495         unsigned int            i, j;
4496         XModifierKeymap         *modmap;
4497
4498         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4499         numlockmask = 0;
4500         modmap = XGetModifierMapping(display);
4501         for (i = 0; i < 8; i++)
4502                 for (j = 0; j < modmap->max_keypermod; j++)
4503                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4504                             == XKeysymToKeycode(display, XK_Num_Lock))
4505                                 numlockmask = (1 << i);
4506
4507         XFreeModifiermap(modmap);
4508 }
4509
4510 void
4511 grabkeys(void)
4512 {
4513         unsigned int            i, j, k;
4514         KeyCode                 code;
4515         unsigned int            modifiers[] =
4516             { 0, LockMask, numlockmask, numlockmask | LockMask };
4517
4518         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4519         updatenumlockmask();
4520
4521         for (k = 0; k < ScreenCount(display); k++) {
4522                 if (TAILQ_EMPTY(&screens[k].rl))
4523                         continue;
4524                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4525                 for (i = 0; i < keys_length; i++) {
4526                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4527                                 for (j = 0; j < LENGTH(modifiers); j++)
4528                                         XGrabKey(display, code,
4529                                             keys[i].mod | modifiers[j],
4530                                             screens[k].root, True,
4531                                             GrabModeAsync, GrabModeAsync);
4532                 }
4533         }
4534 }
4535
4536 void
4537 grabbuttons(struct ws_win *win, int focused)
4538 {
4539         unsigned int            i, j;
4540         unsigned int            modifiers[] =
4541             { 0, LockMask, numlockmask, numlockmask|LockMask };
4542
4543         updatenumlockmask();
4544         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4545         if (focused) {
4546                 for (i = 0; i < LENGTH(buttons); i++)
4547                         if (buttons[i].action == client_click)
4548                                 for (j = 0; j < LENGTH(modifiers); j++)
4549                                         XGrabButton(display, buttons[i].button,
4550                                             buttons[i].mask | modifiers[j],
4551                                             win->id, False, BUTTONMASK,
4552                                             GrabModeAsync, GrabModeSync, None,
4553                                             None);
4554         } else
4555                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4556                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4557 }
4558
4559 const char *quirkname[] = {
4560         "NONE",         /* config string for "no value" */
4561         "FLOAT",
4562         "TRANSSZ",
4563         "ANYWHERE",
4564         "XTERM_FONTADJ",
4565         "FULLSCREEN",
4566         "FOCUSPREV",
4567 };
4568
4569 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4570 #define SWM_Q_WS                "\n|+ \t"
4571 int
4572 parsequirks(char *qstr, unsigned long *quirk)
4573 {
4574         char                    *cp, *name;
4575         int                     i;
4576
4577         if (quirk == NULL)
4578                 return (1);
4579
4580         cp = qstr;
4581         *quirk = 0;
4582         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4583                 if (cp)
4584                         cp += (long)strspn(cp, SWM_Q_WS);
4585                 for (i = 0; i < LENGTH(quirkname); i++) {
4586                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4587                                 DNPRINTF(SWM_D_QUIRK,
4588                                     "parsequirks: %s\n", name);
4589                                 if (i == 0) {
4590                                         *quirk = 0;
4591                                         return (0);
4592                                 }
4593                                 *quirk |= 1 << (i-1);
4594                                 break;
4595                         }
4596                 }
4597                 if (i >= LENGTH(quirkname)) {
4598                         DNPRINTF(SWM_D_QUIRK,
4599                             "parsequirks: invalid quirk [%s]\n", name);
4600                         return (1);
4601                 }
4602         }
4603         return (0);
4604 }
4605
4606 void
4607 setquirk(const char *class, const char *name, const int quirk)
4608 {
4609         int                     i, j;
4610
4611         /* find existing */
4612         for (i = 0; i < quirks_length; i++) {
4613                 if (!strcmp(quirks[i].class, class) &&
4614                     !strcmp(quirks[i].name, name)) {
4615                         if (!quirk) {
4616                                 /* found: delete */
4617                                 DNPRINTF(SWM_D_QUIRK,
4618                                     "setquirk: delete #%d %s:%s\n",
4619                                     i, quirks[i].class, quirks[i].name);
4620                                 free(quirks[i].class);
4621                                 free(quirks[i].name);
4622                                 j = quirks_length - 1;
4623                                 if (i < j)
4624                                         quirks[i] = quirks[j];
4625                                 quirks_length--;
4626                                 return;
4627                         } else {
4628                                 /* found: replace */
4629                                 DNPRINTF(SWM_D_QUIRK,
4630                                     "setquirk: replace #%d %s:%s\n",
4631                                     i, quirks[i].class, quirks[i].name);
4632                                 free(quirks[i].class);
4633                                 free(quirks[i].name);
4634                                 quirks[i].class = strdup(class);
4635                                 quirks[i].name = strdup(name);
4636                                 quirks[i].quirk = quirk;
4637                                 return;
4638                         }
4639                 }
4640         }
4641         if (!quirk) {
4642                 fprintf(stderr,
4643                     "error: setquirk: cannot find class/name combination");
4644                 return;
4645         }
4646         /* not found: add */
4647         if (quirks_size == 0 || quirks == NULL) {
4648                 quirks_size = 4;
4649                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4650                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4651                 if (quirks == NULL) {
4652                         fprintf(stderr, "setquirk: malloc failed\n");
4653                         perror(" failed");
4654                         quit(NULL, NULL);
4655                 }
4656         } else if (quirks_length == quirks_size) {
4657                 quirks_size *= 2;
4658                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4659                 quirks = realloc(quirks,
4660                     (size_t)quirks_size * sizeof(struct quirk));
4661                 if (quirks == NULL) {
4662                         fprintf(stderr, "setquirk: realloc failed\n");
4663                         perror(" failed");
4664                         quit(NULL, NULL);
4665                 }
4666         }
4667         if (quirks_length < quirks_size) {
4668                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4669                 j = quirks_length++;
4670                 quirks[j].class = strdup(class);
4671                 quirks[j].name = strdup(name);
4672                 quirks[j].quirk = quirk;
4673         } else {
4674                 fprintf(stderr, "quirks array problem?\n");
4675                 if (quirks == NULL) {
4676                         fprintf(stderr, "quirks array problem!\n");
4677                         quit(NULL, NULL);
4678                 }
4679         }
4680 }
4681
4682 int
4683 setconfquirk(char *selector, char *value, int flags)
4684 {
4685         char                    *cp, *class, *name;
4686         int                     retval;
4687         unsigned long           quirks;
4688         if (selector == NULL)
4689                 return (0);
4690         if ((cp = strchr(selector, ':')) == NULL)
4691                 return (0);
4692         *cp = '\0';
4693         class = selector;
4694         name = cp + 1;
4695         if ((retval = parsequirks(value, &quirks)) == 0)
4696                 setquirk(class, name, quirks);
4697         return (retval);
4698 }
4699
4700 void
4701 setup_quirks(void)
4702 {
4703         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4704         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4705         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4706         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4707         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4708         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4709         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4710         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4711         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4712         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4713         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4714         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4715         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4716 }
4717
4718 /* conf file stuff */
4719 #define SWM_CONF_FILE   "scrotwm.conf"
4720
4721 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
4722           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
4723           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
4724           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
4725           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
4726           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
4727           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
4728           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
4729           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
4730         };
4731
4732 int
4733 setconfvalue(char *selector, char *value, int flags)
4734 {
4735         int     i;
4736
4737         switch (flags) {
4738         case SWM_S_BAR_DELAY:
4739                 bar_delay = atoi(value);
4740                 break;
4741         case SWM_S_BAR_ENABLED:
4742                 bar_enabled = atoi(value);
4743                 break;
4744         case SWM_S_BAR_BORDER_WIDTH:
4745                 bar_border_width = atoi(value);
4746                 break;
4747         case SWM_S_BAR_AT_BOTTOM:
4748                 bar_at_bottom = atoi(value);
4749                 break;
4750         case SWM_S_BAR_JUSTIFY:
4751                 if (!strcmp(value, "left"))
4752                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
4753                 else if (!strcmp(value, "center"))
4754                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
4755                 else if (!strcmp(value, "right"))
4756                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
4757                 else
4758                         errx(1, "invalid bar_justify");
4759                 break;
4760         case SWM_S_STACK_ENABLED:
4761                 stack_enabled = atoi(value);
4762                 break;
4763         case SWM_S_CLOCK_ENABLED:
4764                 clock_enabled = atoi(value);
4765                 break;
4766         case SWM_S_CLOCK_FORMAT:
4767 #ifndef SWM_DENY_CLOCK_FORMAT
4768                 free(clock_format);
4769                 if ((clock_format = strdup(value)) == NULL)
4770                         err(1, "setconfvalue: clock_format");
4771 #endif
4772                 break;
4773         case SWM_S_CYCLE_EMPTY:
4774                 cycle_empty = atoi(value);
4775                 break;
4776         case SWM_S_CYCLE_VISIBLE:
4777                 cycle_visible = atoi(value);
4778                 break;
4779         case SWM_S_SS_ENABLED:
4780                 ss_enabled = atoi(value);
4781                 break;
4782         case SWM_S_TERM_WIDTH:
4783                 term_width = atoi(value);
4784                 break;
4785         case SWM_S_TITLE_CLASS_ENABLED:
4786                 title_class_enabled = atoi(value);
4787                 break;
4788         case SWM_S_WINDOW_NAME_ENABLED:
4789                 window_name_enabled = atoi(value);
4790                 break;
4791         case SWM_S_TITLE_NAME_ENABLED:
4792                 title_name_enabled = atoi(value);
4793                 break;
4794         case SWM_S_URGENT_ENABLED:
4795                 urgent_enabled = atoi(value);
4796                 break;
4797         case SWM_S_FOCUS_MODE:
4798                 if (!strcmp(value, "default"))
4799                         focus_mode = SWM_FOCUS_DEFAULT;
4800                 else if (!strcmp(value, "follow_cursor"))
4801                         focus_mode = SWM_FOCUS_FOLLOW;
4802                 else if (!strcmp(value, "synergy"))
4803                         focus_mode = SWM_FOCUS_SYNERGY;
4804                 else
4805                         err(1, "focus_mode");
4806                 break;
4807         case SWM_S_DISABLE_BORDER:
4808                 disable_border = atoi(value);
4809                 break;
4810         case SWM_S_BORDER_WIDTH:
4811                 border_width = atoi(value);
4812                 break;
4813         case SWM_S_BAR_FONT:
4814                 free(bar_fonts[0]);
4815                 if ((bar_fonts[0] = strdup(value)) == NULL)
4816                         err(1, "setconfvalue: bar_font");
4817                 break;
4818         case SWM_S_BAR_ACTION:
4819                 free(bar_argv[0]);
4820                 if ((bar_argv[0] = strdup(value)) == NULL)
4821                         err(1, "setconfvalue: bar_action");
4822                 break;
4823         case SWM_S_SPAWN_TERM:
4824                 free(spawn_term[0]);
4825                 if ((spawn_term[0] = strdup(value)) == NULL)
4826                         err(1, "setconfvalue: spawn_term");
4827                 break;
4828         case SWM_S_SS_APP:
4829                 break;
4830         case SWM_S_DIALOG_RATIO:
4831                 dialog_ratio = atof(value);
4832                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4833                         dialog_ratio = .6;
4834                 break;
4835         case SWM_S_VERBOSE_LAYOUT:
4836                 verbose_layout = atoi(value);
4837                 for (i = 0; layouts[i].l_stack != NULL; i++) {
4838                         if (verbose_layout)
4839                                 layouts[i].l_string = fancy_stacker;
4840                         else
4841                                 layouts[i].l_string = plain_stacker;
4842                 }
4843                 break;
4844         default:
4845                 return (1);
4846         }
4847         return (0);
4848 }
4849
4850 int
4851 setconfmodkey(char *selector, char *value, int flags)
4852 {
4853         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4854                 update_modkey(Mod1Mask);
4855         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4856                 update_modkey(Mod2Mask);
4857         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4858                 update_modkey(Mod3Mask);
4859         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4860                 update_modkey(Mod4Mask);
4861         else
4862                 return (1);
4863         return (0);
4864 }
4865
4866 int
4867 setconfcolor(char *selector, char *value, int flags)
4868 {
4869         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4870         return (0);
4871 }
4872
4873 int
4874 setconfregion(char *selector, char *value, int flags)
4875 {
4876         custom_region(value);
4877         return (0);
4878 }
4879
4880 int
4881 setautorun(char *selector, char *value, int flags)
4882 {
4883         int                     ws_id;
4884         char                    s[1024];
4885         char                    *ap, *sp = s;
4886         union arg               a;
4887         int                     argc = 0;
4888         long                    pid;
4889         struct pid_e            *p;
4890
4891         if (getenv("SWM_STARTED"))
4892                 return (0);
4893
4894         bzero(s, sizeof s);
4895         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
4896                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'\n");
4897         ws_id--;
4898         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4899                 errx(1, "autorun: invalid workspace %d\n", ws_id + 1);
4900
4901         /*
4902          * This is a little intricate
4903          *
4904          * If the pid already exists we simply reuse it because it means it was
4905          * used before AND not claimed by manage_window.  We get away with
4906          * altering it in the parent after INSERT because this can not be a race
4907          */
4908         a.argv = NULL;
4909         while ((ap = strsep(&sp, " \t")) != NULL) {
4910                 if (*ap == '\0')
4911                         continue;
4912                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
4913                 argc++;
4914                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
4915                         err(1, "setautorun: realloc");
4916                 a.argv[argc - 1] = ap;
4917         }
4918
4919         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
4920                 err(1, "setautorun: realloc");
4921         a.argv[argc] = NULL;
4922
4923         if ((pid = fork()) == 0) {
4924                 spawn(ws_id, &a, 1);
4925                 /* NOTREACHED */
4926                 _exit(1);
4927         }
4928         free(a.argv);
4929
4930         /* parent */
4931         p = find_pid(pid);
4932         if (p == NULL) {
4933                 p = calloc(1, sizeof *p);
4934                 if (p == NULL)
4935                         return (1);
4936                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
4937         }
4938
4939         p->pid = pid;
4940         p->ws = ws_id;
4941
4942         return (0);
4943 }
4944
4945 int
4946 setlayout(char *selector, char *value, int flags)
4947 {
4948         int                     ws_id, i, x, mg, ma, si, raise;
4949         int                     st = SWM_V_STACK;
4950         char                    s[1024];
4951         struct workspace        *ws;
4952
4953         if (getenv("SWM_STARTED"))
4954                 return (0);
4955
4956         bzero(s, sizeof s);
4957         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
4958             &ws_id, &mg, &ma, &si, &raise, s) != 6)
4959                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4960                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4961                     "<type>'\n");
4962         ws_id--;
4963         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4964                 errx(1, "layout: invalid workspace %d\n", ws_id + 1);
4965
4966         if (!strcasecmp(s, "vertical"))
4967                 st = SWM_V_STACK;
4968         else if (!strcasecmp(s, "horizontal"))
4969                 st = SWM_H_STACK;
4970         else if (!strcasecmp(s, "fullscreen"))
4971                 st = SWM_MAX_STACK;
4972         else
4973                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
4974                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
4975                     "<type>'\n");
4976
4977         for (i = 0; i < ScreenCount(display); i++) {
4978                 ws = (struct workspace *)&screens[i].ws;
4979                 ws[ws_id].cur_layout = &layouts[st];
4980
4981                 ws[ws_id].always_raise = raise;
4982                 if (st == SWM_MAX_STACK)
4983                         continue;
4984
4985                 /* master grow */
4986                 for (x = 0; x < abs(mg); x++) {
4987                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4988                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
4989                             SWM_ARG_ID_MASTERSHRINK);
4990                         stack();
4991                 }
4992                 /* master add */
4993                 for (x = 0; x < abs(ma); x++) {
4994                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
4995                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
4996                             SWM_ARG_ID_MASTERDEL);
4997                         stack();
4998                 }
4999                 /* stack inc */
5000                 for (x = 0; x < abs(si); x++) {
5001                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5002                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5003                             SWM_ARG_ID_STACKDEC);
5004                         stack();
5005                 }
5006         }
5007
5008         return (0);
5009 }
5010
5011 /* config options */
5012 struct config_option {
5013         char                    *optname;
5014         int                     (*func)(char*, char*, int);
5015         int                     funcflags;
5016 };
5017 struct config_option configopt[] = {
5018         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5019         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5020         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5021         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5022         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5023         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5024         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5025         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5026         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5027         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5028         { "keyboard_mapping",           setkeymapping,  0 },
5029         { "bind",                       setconfbinding, 0 },
5030         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5031         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5032         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5033         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5034         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5035         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5036         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5037         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5038         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5039         { "modkey",                     setconfmodkey,  0 },
5040         { "program",                    setconfspawn,   0 },
5041         { "quirk",                      setconfquirk,   0 },
5042         { "region",                     setconfregion,  0 },
5043         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5044         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5045         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5046         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5047         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5048         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5049         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5050         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5051         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5052         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5053         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5054         { "autorun",                    setautorun,     0 },
5055         { "layout",                     setlayout,      0 },
5056 };
5057
5058
5059 int
5060 conf_load(char *filename, int keymapping)
5061 {
5062         FILE                    *config;
5063         char                    *line, *cp, *optsub, *optval;
5064         size_t                  linelen, lineno = 0;
5065         int                     wordlen, i, optind;
5066         struct config_option    *opt;
5067
5068         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
5069
5070         if (filename == NULL) {
5071                 fprintf(stderr, "conf_load: no filename\n");
5072                 return (1);
5073         }
5074         if ((config = fopen(filename, "r")) == NULL) {
5075                 warn("conf_load: fopen: %s", filename);
5076                 return (1);
5077         }
5078
5079         while (!feof(config)) {
5080                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5081                     == NULL) {
5082                         if (ferror(config))
5083                                 err(1, "%s", filename);
5084                         else
5085                                 continue;
5086                 }
5087                 cp = line;
5088                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5089                 if (cp[0] == '\0') {
5090                         /* empty line */
5091                         free(line);
5092                         continue;
5093                 }
5094                 /* get config option */
5095                 wordlen = strcspn(cp, "=[ \t\n");
5096                 if (wordlen == 0) {
5097                         warnx("%s: line %zd: no option found",
5098                             filename, lineno);
5099                         return (1);
5100                 }
5101                 optind = -1;
5102                 for (i = 0; i < LENGTH(configopt); i++) {
5103                         opt = &configopt[i];
5104                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5105                             strlen(opt->optname) == wordlen) {
5106                                 optind = i;
5107                                 break;
5108                         }
5109                 }
5110                 if (optind == -1) {
5111                         warnx("%s: line %zd: unknown option %.*s",
5112                             filename, lineno, wordlen, cp);
5113                         return (1);
5114                 }
5115                 if (keymapping && strcmp(opt->optname, "bind")) {
5116                         warnx("%s: line %zd: invalid option %.*s",
5117                             filename, lineno, wordlen, cp);
5118                         return (1);
5119                 }
5120                 cp += wordlen;
5121                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5122                 /* get [selector] if any */
5123                 optsub = NULL;
5124                 if (*cp == '[') {
5125                         cp++;
5126                         wordlen = strcspn(cp, "]");
5127                         if (*cp != ']') {
5128                                 if (wordlen == 0) {
5129                                         warnx("%s: line %zd: syntax error",
5130                                             filename, lineno);
5131                                         return (1);
5132                                 }
5133                                 asprintf(&optsub, "%.*s", wordlen, cp);
5134                         }
5135                         cp += wordlen;
5136                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5137                 }
5138                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5139                 /* get RHS value */
5140                 optval = strdup(cp);
5141                 /* call function to deal with it all */
5142                 if (configopt[optind].func(optsub, optval,
5143                     configopt[optind].funcflags) != 0) {
5144                         fprintf(stderr, "%s line %zd: %s\n",
5145                             filename, lineno, line);
5146                         errx(1, "%s: line %zd: invalid data for %s",
5147                             filename, lineno, configopt[optind].optname);
5148                 }
5149                 free(optval);
5150                 free(optsub);
5151                 free(line);
5152         }
5153
5154         fclose(config);
5155         DNPRINTF(SWM_D_CONF, "conf_load end\n");
5156
5157         return (0);
5158 }
5159
5160 void
5161 set_child_transient(struct ws_win *win, Window *trans)
5162 {
5163         struct ws_win           *parent, *w;
5164         XWMHints                *wmh = NULL;
5165         struct swm_region       *r;
5166         struct workspace        *ws;
5167
5168         parent = find_window(win->transient);
5169         if (parent)
5170                 parent->child_trans = win;
5171         else {
5172                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5173                     " for %lu trans %lu\n", win->id, win->transient);
5174
5175                 if (win->hints == NULL) {
5176                         fprintf(stderr, "no hints for %lu\n", win->id);
5177                         return;
5178                 }
5179
5180                 r = root_to_region(win->wa.root);
5181                 ws = r->ws;
5182                 /* parent doen't exist in our window list */
5183                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5184                         if (wmh)
5185                                 XFree(wmh);
5186
5187                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5188                                 fprintf(stderr, "can't get hints for %lu\n",
5189                                     w->id);
5190                                 continue;
5191                         }
5192
5193                         if (win->hints->window_group != wmh->window_group)
5194                                 continue;
5195
5196                         w->child_trans = win;
5197                         win->transient = w->id;
5198                         *trans = w->id;
5199                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5200                             "transient to %lu\n", win->transient);
5201                         break;
5202                 }
5203         }
5204
5205         if (wmh)
5206                 XFree(wmh);
5207 }
5208
5209 long
5210 window_get_pid(Window win)
5211 {
5212         Atom                    actual_type_return;
5213         int                     actual_format_return = 0;
5214         unsigned long           nitems_return = 0;
5215         unsigned long           bytes_after_return = 0;
5216         long                    *pid = NULL;
5217         long                    ret = 0;
5218         const char              *errstr;
5219         unsigned char           *prop = NULL;
5220
5221         if (XGetWindowProperty(display, win,
5222             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5223             XA_CARDINAL, &actual_type_return, &actual_format_return,
5224             &nitems_return, &bytes_after_return,
5225             (unsigned char**)(void*)&pid) != Success)
5226                 goto tryharder;
5227         if (actual_type_return != XA_CARDINAL)
5228                 goto tryharder;
5229         if (pid == NULL)
5230                 goto tryharder;
5231
5232         ret = *pid;
5233         XFree(pid);
5234
5235         return (ret);
5236
5237 tryharder:
5238         if (XGetWindowProperty(display, win,
5239             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5240             XA_STRING, &actual_type_return, &actual_format_return,
5241             &nitems_return, &bytes_after_return, &prop) != Success)
5242                 return (0);
5243         if (actual_type_return != XA_STRING)
5244                 return (0);
5245         if (prop == NULL)
5246                 return (0);
5247
5248         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5249         /* ignore error because strtonum returns 0 anyway */
5250         XFree(prop);
5251
5252         return (ret);
5253 }
5254
5255 struct ws_win *
5256 manage_window(Window id)
5257 {
5258         Window                  trans = 0;
5259         struct workspace        *ws;
5260         struct ws_win           *win, *ww;
5261         int                     format, i, ws_idx, n, border_me = 0;
5262         unsigned long           nitems, bytes;
5263         Atom                    ws_idx_atom = 0, type;
5264         Atom                    *prot = NULL, *pp;
5265         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5266         struct swm_region       *r;
5267         long                    mask;
5268         const char              *errstr;
5269         XWindowChanges          wc;
5270         struct pid_e            *p;
5271
5272         if ((win = find_window(id)) != NULL)
5273                 return (win);   /* already being managed */
5274
5275         /* see if we are on the unmanaged list */
5276         if ((win = find_unmanaged_window(id)) != NULL) {
5277                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
5278                     "%lu\n", win->id);
5279                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5280                 if (win->transient) {
5281                         set_child_transient(win, &trans);
5282                 } if (trans && (ww = find_window(trans)))
5283                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5284                 else
5285                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5286                 ewmh_update_actions(win);
5287                 return (win);
5288         }
5289
5290         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5291                 errx(1, "calloc: failed to allocate memory for new window");
5292
5293         win->id = id;
5294
5295         /* see if we need to override the workspace */
5296         p = find_pid(window_get_pid(id));
5297
5298         /* Get all the window data in one shot */
5299         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5300         if (ws_idx_atom) {
5301                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5302                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5303         }
5304         XGetWindowAttributes(display, id, &win->wa);
5305         XGetWMNormalHints(display, id, &win->sh, &mask);
5306         win->hints = XGetWMHints(display, id);
5307         XGetTransientForHint(display, id, &trans);
5308         if (trans) {
5309                 win->transient = trans;
5310                 set_child_transient(win, &trans);
5311                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
5312                     win->id, win->transient);
5313         }
5314
5315         /* get supported protocols */
5316         if (XGetWMProtocols(display, id, &prot, &n)) {
5317                 for (i = 0, pp = prot; i < n; i++, pp++) {
5318                         if (*pp == takefocus)
5319                                 win->take_focus = 1;
5320                         if (*pp == adelete)
5321                                 win->can_delete = 1;
5322                 }
5323                 if (prot)
5324                         XFree(prot);
5325         }
5326
5327         win->iconic = get_iconic(win);
5328
5329         /*
5330          * Figure out where to put the window. If it was previously assigned to
5331          * a workspace (either by spawn() or manually moving), and isn't
5332          * transient, * put it in the same workspace
5333          */
5334         r = root_to_region(win->wa.root);
5335         if (p) {
5336                 ws = &r->s->ws[p->ws];
5337                 TAILQ_REMOVE(&pidlist, p, entry);
5338                 free(p);
5339                 p = NULL;
5340         } else if (prop && win->transient == 0) {
5341                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
5342                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5343                 if (errstr) {
5344                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
5345                             errstr, prop);
5346                 }
5347                 ws = &r->s->ws[ws_idx];
5348         } else {
5349                 ws = r->ws;
5350                 /* this should launch transients in the same ws as parent */
5351                 if (id && trans)
5352                         if ((ww = find_window(trans)) != NULL)
5353                                 if (ws->r) {
5354                                         ws = ww->ws;
5355                                         if (ww->ws->r)
5356                                                 r = ww->ws->r;
5357                                         else
5358                                                 fprintf(stderr,
5359                                                     "fix this bug mcbride\n");
5360                                         border_me = 1;
5361                                 }
5362         }
5363
5364         /* set up the window layout */
5365         win->id = id;
5366         win->ws = ws;
5367         win->s = r->s;  /* this never changes */
5368         if (trans && (ww = find_window(trans)))
5369                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5370         else
5371                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5372
5373         win->g.w = win->wa.width;
5374         win->g.h = win->wa.height;
5375         win->g.x = win->wa.x;
5376         win->g.y = win->wa.y;
5377         win->g_floatvalid = 0;
5378         win->floatmaxed = 0;
5379         win->ewmh_flags = 0;
5380
5381         /* Set window properties so we can remember this after reincarnation */
5382         if (ws_idx_atom && prop == NULL &&
5383             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5384                 SWM_PROPLEN) {
5385                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
5386                     ws_idx_str);
5387                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5388                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5389         }
5390         if (prop)
5391                 XFree(prop);
5392
5393         ewmh_autoquirk(win);
5394
5395         if (XGetClassHint(display, win->id, &win->ch)) {
5396                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
5397                     win->ch.res_class, win->ch.res_name);
5398
5399                 /* java is retarded so treat it special */
5400                 if (strstr(win->ch.res_name, "sun-awt")) {
5401                         win->java = 1;
5402                         border_me = 1;
5403                 }
5404
5405                 for (i = 0; i < quirks_length; i++){
5406                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5407                             !strcmp(win->ch.res_name, quirks[i].name)) {
5408                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
5409                                     win->ch.res_class, win->ch.res_name);
5410                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5411                                         win->floating = 1;
5412                                         border_me = 1;
5413                                 }
5414                                 win->quirks = quirks[i].quirk;
5415                         }
5416                 }
5417         }
5418
5419         /* alter window position if quirky */
5420         if (win->quirks & SWM_Q_ANYWHERE) {
5421                 win->manual = 1; /* don't center the quirky windows */
5422                 bzero(&wc, sizeof wc);
5423                 mask = 0;
5424                 if (bar_enabled && win->g.y < bar_height) {
5425                         win->g.y = wc.y = bar_height;
5426                         mask |= CWY;
5427                 }
5428                 if (win->g.w + win->g.x > WIDTH(r)) {
5429                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
5430                         mask |= CWX;
5431                 }
5432                 border_me = 1;
5433         }
5434
5435         /* Reset font sizes (the bruteforce way; no default keybinding). */
5436         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5437                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5438                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5439                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5440                         fake_keypress(win, XK_KP_Add, ShiftMask);
5441         }
5442
5443         ewmh_get_win_state(win);
5444         ewmh_update_actions(win);
5445         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5446
5447         /* border me */
5448         if (border_me) {
5449                 bzero(&wc, sizeof wc);
5450                 wc.border_width = border_width;
5451                 mask = CWBorderWidth;
5452                 XConfigureWindow(display, win->id, mask, &wc);
5453         }
5454
5455         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5456             PropertyChangeMask | StructureNotifyMask);
5457
5458         /* floaters need to be mapped if they are in the current workspace */
5459         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5460                 XMapRaised(display, win->id);
5461
5462         return (win);
5463 }
5464
5465 void
5466 free_window(struct ws_win *win)
5467 {
5468         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5469
5470         if (win == NULL)
5471                 return;
5472
5473         /* needed for restart wm */
5474         set_win_state(win, WithdrawnState);
5475
5476         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5477
5478         if (win->ch.res_class)
5479                 XFree(win->ch.res_class);
5480         if (win->ch.res_name)
5481                 XFree(win->ch.res_name);
5482
5483         kill_refs(win);
5484
5485         /* paint memory */
5486         memset(win, 0xff, sizeof *win); /* XXX kill later */
5487
5488         free(win);
5489 }
5490
5491 void
5492 unmanage_window(struct ws_win *win)
5493 {
5494         struct ws_win           *parent;
5495
5496         if (win == NULL)
5497                 return;
5498
5499         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5500
5501         if (win->transient) {
5502                 parent = find_window(win->transient);
5503                 if (parent)
5504                         parent->child_trans = NULL;
5505         }
5506
5507         /* focus on root just in case */
5508         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5509
5510         focus_prev(win);
5511
5512         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5513         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5514
5515         kill_refs(win);
5516 }
5517
5518 void
5519 focus_magic(struct ws_win *win)
5520 {
5521         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5522
5523         if (win == NULL)
5524                 return;
5525
5526         if (win->child_trans) {
5527                 /* win = parent & has a transient so focus on that */
5528                 if (win->java) {
5529                         focus_win(win->child_trans);
5530                         if (win->child_trans->take_focus)
5531                                 client_msg(win, takefocus);
5532                 } else {
5533                         /* make sure transient hasn't dissapeared */
5534                         if (validate_win(win->child_trans) == 0) {
5535                                 focus_win(win->child_trans);
5536                                 if (win->child_trans->take_focus)
5537                                         client_msg(win->child_trans, takefocus);
5538                         } else {
5539                                 win->child_trans = NULL;
5540                                 focus_win(win);
5541                                 if (win->take_focus)
5542                                         client_msg(win, takefocus);
5543                         }
5544                 }
5545         } else {
5546                 /* regular focus */
5547                 focus_win(win);
5548                 if (win->take_focus)
5549                         client_msg(win, takefocus);
5550         }
5551 }
5552
5553 void
5554 expose(XEvent *e)
5555 {
5556         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5557 }
5558
5559 void
5560 keypress(XEvent *e)
5561 {
5562         unsigned int            i;
5563         KeySym                  keysym;
5564         XKeyEvent               *ev = &e->xkey;
5565
5566         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5567
5568         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5569         for (i = 0; i < keys_length; i++)
5570                 if (keysym == keys[i].keysym
5571                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5572                     && keyfuncs[keys[i].funcid].func) {
5573                         if (keys[i].funcid == kf_spawn_custom)
5574                                 spawn_custom(
5575                                     root_to_region(ev->root),
5576                                     &(keyfuncs[keys[i].funcid].args),
5577                                     keys[i].spawn_name
5578                                     );
5579                         else
5580                                 keyfuncs[keys[i].funcid].func(
5581                                     root_to_region(ev->root),
5582                                     &(keyfuncs[keys[i].funcid].args)
5583                                     );
5584                 }
5585 }
5586
5587 void
5588 buttonpress(XEvent *e)
5589 {
5590         struct ws_win           *win;
5591         int                     i, action;
5592         XButtonPressedEvent     *ev = &e->xbutton;
5593
5594         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5595
5596         if ((win = find_window(ev->window)) == NULL)
5597                 return;
5598
5599         focus_magic(win);
5600         action = client_click;
5601
5602         for (i = 0; i < LENGTH(buttons); i++)
5603                 if (action == buttons[i].action && buttons[i].func &&
5604                     buttons[i].button == ev->button &&
5605                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5606                         buttons[i].func(win, &buttons[i].args);
5607 }
5608
5609 void
5610 configurerequest(XEvent *e)
5611 {
5612         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5613         struct ws_win           *win;
5614         int                     new = 0;
5615         XWindowChanges          wc;
5616
5617         if ((win = find_window(ev->window)) == NULL)
5618                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5619                         new = 1;
5620
5621         if (new) {
5622                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5623                     ev->window);
5624                 bzero(&wc, sizeof wc);
5625                 wc.x = ev->x;
5626                 wc.y = ev->y;
5627                 wc.width = ev->width;
5628                 wc.height = ev->height;
5629                 wc.border_width = ev->border_width;
5630                 wc.sibling = ev->above;
5631                 wc.stack_mode = ev->detail;
5632                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5633         } else {
5634                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5635                     ev->window);
5636                 config_win(win, ev);
5637         }
5638 }
5639
5640 void
5641 configurenotify(XEvent *e)
5642 {
5643         struct ws_win           *win;
5644         long                    mask;
5645
5646         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5647             e->xconfigure.window);
5648
5649         win = find_window(e->xconfigure.window);
5650         if (win) {
5651                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5652                 adjust_font(win);
5653                 if (font_adjusted)
5654                         stack();
5655                 if (focus_mode == SWM_FOCUS_DEFAULT)
5656                         drain_enter_notify();
5657         }
5658 }
5659
5660 void
5661 destroynotify(XEvent *e)
5662 {
5663         struct ws_win           *win;
5664         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5665
5666         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5667
5668         if ((win = find_window(ev->window)) == NULL) {
5669                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5670                         return;
5671                 free_window(win);
5672                 return;
5673         }
5674
5675         /* make sure we focus on something */
5676         win->floating = 0;
5677
5678         unmanage_window(win);
5679         stack();
5680         if (focus_mode == SWM_FOCUS_DEFAULT)
5681                 drain_enter_notify();
5682         free_window(win);
5683 }
5684
5685 void
5686 enternotify(XEvent *e)
5687 {
5688         XCrossingEvent          *ev = &e->xcrossing;
5689         XEvent                  cne;
5690         struct ws_win           *win;
5691 #if 0
5692         struct ws_win           *w;
5693         Window                  focus_return;
5694         int                     revert_to_return;
5695 #endif
5696         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5697             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5698             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5699             ev->same_screen, ev->focus, ev->state);
5700
5701         switch (focus_mode) {
5702         case SWM_FOCUS_DEFAULT:
5703                 break;
5704         case SWM_FOCUS_FOLLOW:
5705                 break;
5706         case SWM_FOCUS_SYNERGY:
5707 #if 0
5708         /*
5709          * all these checks need to be in this order because the
5710          * XCheckTypedWindowEvent relies on weeding out the previous events
5711          *
5712          * making this code an option would enable a follow mouse for focus
5713          * feature
5714          */
5715
5716         /*
5717          * state is set when we are switching workspaces and focus is set when
5718          * the window or a subwindow already has focus (occurs during restart).
5719          *
5720          * Only honor the focus flag if last_focus_event is not FocusOut,
5721          * this allows scrotwm to continue to control focus when another
5722          * program is also playing with it.
5723          */
5724         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5725                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5726                 return;
5727         }
5728
5729         /*
5730          * happens when a window is created or destroyed and the border
5731          * crosses the mouse pointer and when switching ws
5732          *
5733          * we need the subwindow test to see if we came from root in order
5734          * to give focus to floaters
5735          */
5736         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5737             ev->subwindow == 0) {
5738                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5739                 return;
5740         }
5741
5742         /* this window already has focus */
5743         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5744                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5745                 return;
5746         }
5747
5748         /* this window is being deleted or moved to another ws */
5749         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5750             &cne) == True) {
5751                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5752                 XPutBackEvent(display, &cne);
5753                 return;
5754         }
5755
5756         if ((win = find_window(ev->window)) == NULL) {
5757                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5758                 return;
5759         }
5760
5761         /*
5762          * In fullstack kill all enters unless they come from a different ws
5763          * (i.e. another region) or focus has been grabbed externally.
5764          */
5765         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5766             last_focus_event != FocusOut) {
5767                 XGetInputFocus(display, &focus_return, &revert_to_return);
5768                 if ((w = find_window(focus_return)) == NULL ||
5769                     w->ws == win->ws) {
5770                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5771                         return;
5772                 }
5773         }
5774 #endif
5775                 break;
5776         }
5777
5778         if ((win = find_window(ev->window)) == NULL) {
5779                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5780                 return;
5781         }
5782
5783         /*
5784          * if we have more enternotifies let them handle it in due time
5785          */
5786         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5787                 DNPRINTF(SWM_D_EVENT,
5788                     "ignoring enternotify: got more enternotify\n");
5789                 XPutBackEvent(display, &cne);
5790                 return;
5791         }
5792
5793         focus_magic(win);
5794 }
5795
5796 /* lets us use one switch statement for arbitrary mode/detail combinations */
5797 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5798
5799 void
5800 focusevent(XEvent *e)
5801 {
5802 #if 0
5803         struct ws_win           *win;
5804         u_int32_t               mode_detail;
5805         XFocusChangeEvent       *ev = &e->xfocus;
5806
5807         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5808             ev->type == FocusIn ? "entering" : "leaving",
5809             ev->window, ev->mode, ev->detail);
5810
5811         if (last_focus_event == ev->type) {
5812                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5813                 return;
5814         }
5815
5816         last_focus_event = ev->type;
5817         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5818
5819         switch (mode_detail) {
5820         /* synergy client focus operations */
5821         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5822         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5823
5824         /* synergy server focus operations */
5825         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5826
5827         /* Entering applications like rdesktop that mangle the pointer */
5828         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5829
5830                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5831                         XSetWindowBorder(display, win->id,
5832                             win->ws->r->s->c[ev->type == FocusIn ?
5833                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5834                 break;
5835         default:
5836                 fprintf(stderr, "ignoring focusevent\n");
5837                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5838                 break;
5839         }
5840 #endif
5841 }
5842
5843 void
5844 mapnotify(XEvent *e)
5845 {
5846         struct ws_win           *win;
5847         XMapEvent               *ev = &e->xmap;
5848
5849         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5850
5851         win = manage_window(ev->window);
5852         if (win)
5853                 set_win_state(win, NormalState);
5854 }
5855
5856 void
5857 mappingnotify(XEvent *e)
5858 {
5859         XMappingEvent           *ev = &e->xmapping;
5860
5861         XRefreshKeyboardMapping(ev);
5862         if (ev->request == MappingKeyboard)
5863                 grabkeys();
5864 }
5865
5866 void
5867 maprequest(XEvent *e)
5868 {
5869         struct ws_win           *win;
5870         struct swm_region       *r;
5871         XWindowAttributes       wa;
5872         XMapRequestEvent        *ev = &e->xmaprequest;
5873
5874         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5875             e->xmaprequest.window);
5876
5877         if (!XGetWindowAttributes(display, ev->window, &wa))
5878                 return;
5879         if (wa.override_redirect)
5880                 return;
5881
5882         win = manage_window(e->xmaprequest.window);
5883         if (win == NULL)
5884                 return; /* can't happen */
5885
5886         stack();
5887
5888         /* make new win focused */
5889         r = root_to_region(win->wa.root);
5890         if (win->ws == r->ws)
5891                 focus_magic(win);
5892 }
5893
5894 void
5895 propertynotify(XEvent *e)
5896 {
5897         struct ws_win           *win;
5898         XPropertyEvent          *ev = &e->xproperty;
5899
5900         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5901             ev->window);
5902
5903         win = find_window(ev->window);
5904         if (win == NULL)
5905                 return;
5906
5907         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5908                 update_iconic(win, 0);
5909                 XMapRaised(display, win->id);
5910                 stack();
5911                 focus_win(win);
5912                 return;
5913         }
5914
5915         switch (ev->atom) {
5916         case XA_WM_NORMAL_HINTS:
5917 #if 0
5918                 long            mask;
5919                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5920                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5921                 if (win->sh.flags & PMinSize) {
5922                         win->g.w = win->sh.min_width;
5923                         win->g.h = win->sh.min_height;
5924                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5925                 }
5926                 XMoveResizeWindow(display, win->id,
5927                     win->g.x, win->g.y, win->g.w, win->g.h);
5928 #endif
5929                 if (window_name_enabled)
5930                         bar_update();
5931                 break;
5932         default:
5933                 break;
5934         }
5935 }
5936
5937 void
5938 unmapnotify(XEvent *e)
5939 {
5940         struct ws_win           *win;
5941
5942         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5943
5944         /* determine if we need to help unmanage this window */
5945         win = find_window(e->xunmap.window);
5946         if (win == NULL)
5947                 return;
5948
5949         if (getstate(e->xunmap.window) == NormalState) {
5950                 unmanage_window(win);
5951                 stack();
5952
5953                 /* giant hack for apps that don't destroy transient windows */
5954                 /* eat a bunch of events to prevent remanaging the window */
5955                 XEvent                  cne;
5956                 while (XCheckWindowEvent(display, e->xunmap.window,
5957                     EnterWindowMask, &cne))
5958                         ;
5959                 while (XCheckWindowEvent(display, e->xunmap.window,
5960                     StructureNotifyMask, &cne))
5961                         ;
5962                 while (XCheckWindowEvent(display, e->xunmap.window,
5963                     SubstructureNotifyMask, &cne))
5964                         ;
5965                 /* resend unmap because we ated it */
5966                 XUnmapWindow(display, e->xunmap.window);
5967         }
5968
5969         if (focus_mode == SWM_FOCUS_DEFAULT)
5970                 drain_enter_notify();
5971 }
5972
5973 void
5974 visibilitynotify(XEvent *e)
5975 {
5976         int                     i;
5977         struct swm_region       *r;
5978
5979         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5980             e->xvisibility.window);
5981         if (e->xvisibility.state == VisibilityUnobscured)
5982                 for (i = 0; i < ScreenCount(display); i++)
5983                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5984                                 if (e->xvisibility.window == r->bar_window)
5985                                         bar_update();
5986 }
5987
5988 void
5989 clientmessage(XEvent *e)
5990 {
5991         XClientMessageEvent *ev;
5992         struct ws_win *win;
5993
5994         ev = &e->xclient;
5995
5996         win = find_window(ev->window);
5997         if (win == NULL)
5998                 return;
5999
6000         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
6001             ev->window, ev->message_type);
6002
6003         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6004                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
6005                 focus_win(win);
6006         }
6007         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6008                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
6009                 if (win->can_delete)
6010                         client_msg(win, adelete);
6011                 else
6012                         XKillClient(display, win->id);
6013         }
6014         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6015                 DNPRINTF(SWM_D_EVENT,
6016                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
6017                 if (win->floating) {
6018                         if (ev->data.l[0] & (1<<8)) /* x */
6019                                 win->g.x = ev->data.l[1];
6020                         if (ev->data.l[0] & (1<<9)) /* y */
6021                                 win->g.y = ev->data.l[2];
6022                         if (ev->data.l[0] & (1<<10)) /* width */
6023                                 win->g.w = ev->data.l[3];
6024                         if (ev->data.l[0] & (1<<11)) /* height */
6025                                 win->g.h = ev->data.l[4];
6026                 }
6027                 else {
6028                         /* TODO: Change stack sizes */
6029                 }
6030                 config_win(win, NULL);
6031         }
6032         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6033                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
6034                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6035                 if (ev->data.l[2])
6036                         ewmh_update_win_state(win, ev->data.l[2],
6037                             ev->data.l[0]);
6038
6039                 stack();
6040         }
6041 }
6042
6043 int
6044 xerror_start(Display *d, XErrorEvent *ee)
6045 {
6046         other_wm = 1;
6047         return (-1);
6048 }
6049
6050 int
6051 xerror(Display *d, XErrorEvent *ee)
6052 {
6053         /* fprintf(stderr, "error: %p %p\n", display, ee); */
6054         return (-1);
6055 }
6056
6057 int
6058 active_wm(void)
6059 {
6060         other_wm = 0;
6061         xerrorxlib = XSetErrorHandler(xerror_start);
6062
6063         /* this causes an error if some other window manager is running */
6064         XSelectInput(display, DefaultRootWindow(display),
6065             SubstructureRedirectMask);
6066         XSync(display, False);
6067         if (other_wm)
6068                 return (1);
6069
6070         XSetErrorHandler(xerror);
6071         XSync(display, False);
6072         return (0);
6073 }
6074
6075 void
6076 new_region(struct swm_screen *s, int x, int y, int w, int h)
6077 {
6078         struct swm_region       *r, *n;
6079         struct workspace        *ws = NULL;
6080         int                     i;
6081
6082         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6083              s->idx, w, h, x, y);
6084
6085         /* remove any conflicting regions */
6086         n = TAILQ_FIRST(&s->rl);
6087         while (n) {
6088                 r = n;
6089                 n = TAILQ_NEXT(r, entry);
6090                 if (X(r) < (x + w) &&
6091                     (X(r) + WIDTH(r)) > x &&
6092                     Y(r) < (y + h) &&
6093                     (Y(r) + HEIGHT(r)) > y) {
6094                         if (r->ws->r != NULL)
6095                                 r->ws->old_r = r->ws->r;
6096                         r->ws->r = NULL;
6097                         XDestroyWindow(display, r->bar_window);
6098                         TAILQ_REMOVE(&s->rl, r, entry);
6099                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6100                 }
6101         }
6102
6103         /* search old regions for one to reuse */
6104
6105         /* size + location match */
6106         TAILQ_FOREACH(r, &s->orl, entry)
6107                 if (X(r) == x && Y(r) == y &&
6108                     HEIGHT(r) == h && WIDTH(r) == w)
6109                         break;
6110
6111         /* size match */
6112         TAILQ_FOREACH(r, &s->orl, entry)
6113                 if (HEIGHT(r) == h && WIDTH(r) == w)
6114                         break;
6115
6116         if (r != NULL) {
6117                 TAILQ_REMOVE(&s->orl, r, entry);
6118                 /* try to use old region's workspace */
6119                 if (r->ws->r == NULL)
6120                         ws = r->ws;
6121         } else
6122                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6123                         errx(1, "calloc: failed to allocate memory for screen");
6124
6125         /* if we don't have a workspace already, find one */
6126         if (ws == NULL) {
6127                 for (i = 0; i < SWM_WS_MAX; i++)
6128                         if (s->ws[i].r == NULL) {
6129                                 ws = &s->ws[i];
6130                                 break;
6131                         }
6132         }
6133
6134         if (ws == NULL)
6135                 errx(1, "no free workspaces\n");
6136
6137         X(r) = x;
6138         Y(r) = y;
6139         WIDTH(r) = w;
6140         HEIGHT(r) = h;
6141         r->s = s;
6142         r->ws = ws;
6143         r->ws_prior = NULL;
6144         ws->r = r;
6145         outputs++;
6146         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6147 }
6148
6149 void
6150 scan_xrandr(int i)
6151 {
6152 #ifdef SWM_XRR_HAS_CRTC
6153         XRRCrtcInfo             *ci;
6154         XRRScreenResources      *sr;
6155         int                     c;
6156         int                     ncrtc = 0;
6157 #endif /* SWM_XRR_HAS_CRTC */
6158         struct swm_region       *r;
6159
6160
6161         if (i >= ScreenCount(display))
6162                 errx(1, "invalid screen");
6163
6164         /* remove any old regions */
6165         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6166                 r->ws->old_r = r->ws->r = NULL;
6167                 XDestroyWindow(display, r->bar_window);
6168                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6169                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6170         }
6171         outputs = 0;
6172
6173         /* map virtual screens onto physical screens */
6174 #ifdef SWM_XRR_HAS_CRTC
6175         if (xrandr_support) {
6176                 sr = XRRGetScreenResources(display, screens[i].root);
6177                 if (sr == NULL)
6178                         new_region(&screens[i], 0, 0,
6179                             DisplayWidth(display, i),
6180                             DisplayHeight(display, i));
6181                 else
6182                         ncrtc = sr->ncrtc;
6183
6184                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6185                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6186                         if (ci->noutput == 0)
6187                                 continue;
6188
6189                         if (ci != NULL && ci->mode == None)
6190                                 new_region(&screens[i], 0, 0,
6191                                     DisplayWidth(display, i),
6192                                     DisplayHeight(display, i));
6193                         else
6194                                 new_region(&screens[i],
6195                                     ci->x, ci->y, ci->width, ci->height);
6196                 }
6197                 if (ci)
6198                         XRRFreeCrtcInfo(ci);
6199                 XRRFreeScreenResources(sr);
6200         } else
6201 #endif /* SWM_XRR_HAS_CRTC */
6202         {
6203                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6204                     DisplayHeight(display, i));
6205         }
6206 }
6207
6208 void
6209 screenchange(XEvent *e) {
6210         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6211         struct swm_region               *r;
6212         int                             i;
6213
6214         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
6215
6216         if (!XRRUpdateConfiguration(e))
6217                 return;
6218
6219         /* silly event doesn't include the screen index */
6220         for (i = 0; i < ScreenCount(display); i++)
6221                 if (screens[i].root == xe->root)
6222                         break;
6223         if (i >= ScreenCount(display))
6224                 errx(1, "screenchange: screen not found\n");
6225
6226         /* brute force for now, just re-enumerate the regions */
6227         scan_xrandr(i);
6228
6229         /* add bars to all regions */
6230         for (i = 0; i < ScreenCount(display); i++)
6231                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6232                         bar_setup(r);
6233         stack();
6234         if (focus_mode == SWM_FOCUS_DEFAULT)
6235                 drain_enter_notify();
6236 }
6237
6238 void
6239 grab_windows(void)
6240 {
6241         Window                  d1, d2, *wins = NULL;
6242         XWindowAttributes       wa;
6243         unsigned int            no;
6244         int                     i, j;
6245         long                    state, manage;
6246
6247         for (i = 0; i < ScreenCount(display); i++) {
6248                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6249                         continue;
6250
6251                 /* attach windows to a region */
6252                 /* normal windows */
6253                 for (j = 0; j < no; j++) {
6254                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6255                             wa.override_redirect ||
6256                             XGetTransientForHint(display, wins[j], &d1))
6257                                 continue;
6258
6259                         state = getstate(wins[j]);
6260                         manage = state == IconicState;
6261                         if (wa.map_state == IsViewable || manage)
6262                                 manage_window(wins[j]);
6263                 }
6264                 /* transient windows */
6265                 for (j = 0; j < no; j++) {
6266                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6267                             wa.override_redirect)
6268                                 continue;
6269
6270                         state = getstate(wins[j]);
6271                         manage = state == IconicState;
6272                         if (XGetTransientForHint(display, wins[j], &d1) &&
6273                             manage)
6274                                 manage_window(wins[j]);
6275                 }
6276                 if (wins) {
6277                         XFree(wins);
6278                         wins = NULL;
6279                 }
6280         }
6281 }
6282
6283 void
6284 setup_screens(void)
6285 {
6286         int                     i, j, k;
6287         int                     errorbase, major, minor;
6288         struct workspace        *ws;
6289
6290         if ((screens = calloc(ScreenCount(display),
6291              sizeof(struct swm_screen))) == NULL)
6292                 errx(1, "calloc: screens");
6293
6294         /* initial Xrandr setup */
6295         xrandr_support = XRRQueryExtension(display,
6296             &xrandr_eventbase, &errorbase);
6297         if (xrandr_support)
6298                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6299                         xrandr_support = 0;
6300
6301         /* map physical screens */
6302         for (i = 0; i < ScreenCount(display); i++) {
6303                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
6304                 screens[i].idx = i;
6305                 TAILQ_INIT(&screens[i].rl);
6306                 TAILQ_INIT(&screens[i].orl);
6307                 screens[i].root = RootWindow(display, i);
6308
6309                 /* set default colors */
6310                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6311                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6312                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6313                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6314                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6315
6316                 /* set default cursor */
6317                 XDefineCursor(display, screens[i].root,
6318                     XCreateFontCursor(display, XC_left_ptr));
6319
6320                 /* init all workspaces */
6321                 /* XXX these should be dynamically allocated too */
6322                 for (j = 0; j < SWM_WS_MAX; j++) {
6323                         ws = &screens[i].ws[j];
6324                         ws->idx = j;
6325                         ws->focus = NULL;
6326                         ws->r = NULL;
6327                         ws->old_r = NULL;
6328                         TAILQ_INIT(&ws->winlist);
6329                         TAILQ_INIT(&ws->unmanagedlist);
6330
6331                         for (k = 0; layouts[k].l_stack != NULL; k++)
6332                                 if (layouts[k].l_config != NULL)
6333                                         layouts[k].l_config(ws,
6334                                             SWM_ARG_ID_STACKINIT);
6335                         ws->cur_layout = &layouts[0];
6336                         ws->cur_layout->l_string(ws);
6337                 }
6338
6339                 scan_xrandr(i);
6340
6341                 if (xrandr_support)
6342                         XRRSelectInput(display, screens[i].root,
6343                             RRScreenChangeNotifyMask);
6344         }
6345 }
6346
6347 void
6348 setup_globals(void)
6349 {
6350         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6351             == NULL)
6352                 err(1, "setup_globals: strdup");
6353         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6354             == NULL)
6355                 err(1, "setup_globals: strdup");
6356         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6357             == NULL)
6358                 err(1, "setup_globals: strdup");
6359         if ((spawn_term[0] = strdup("xterm")) == NULL)
6360                 err(1, "setup_globals: strdup");
6361         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6362                 errx(1, "strdup");
6363 }
6364
6365 void
6366 workaround(void)
6367 {
6368         int                     i;
6369         Atom                    netwmcheck, netwmname, utf8_string;
6370         Window                  root, win;
6371
6372         /* work around sun jdk bugs, code from wmname */
6373         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6374         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6375         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6376         for (i = 0; i < ScreenCount(display); i++) {
6377                 root = screens[i].root;
6378                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6379                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6380                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6381
6382                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6383                     PropModeReplace, (unsigned char *)&win,1);
6384                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6385                     PropModeReplace, (unsigned char *)&win,1);
6386                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6387                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6388         }
6389 }
6390
6391 int
6392 main(int argc, char *argv[])
6393 {
6394         struct swm_region       *r, *rr;
6395         struct ws_win           *winfocus = NULL;
6396         struct timeval          tv;
6397         union arg               a;
6398         char                    conf[PATH_MAX], *cfile = NULL;
6399         struct stat             sb;
6400         XEvent                  e;
6401         int                     xfd, i;
6402         fd_set                  rd;
6403         struct sigaction        sact;
6404
6405         start_argv = argv;
6406         fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
6407             SCROTWM_VERSION, buildstr);
6408         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6409             !XSupportsLocale())
6410                 warnx("no locale support");
6411
6412         if (!(display = XOpenDisplay(0)))
6413                 errx(1, "can not open display");
6414
6415         if (active_wm())
6416                 errx(1, "other wm running");
6417
6418         /* handle some signals */
6419         bzero(&sact, sizeof(sact));
6420         sigemptyset(&sact.sa_mask);
6421         sact.sa_flags = 0;
6422         sact.sa_handler = sighdlr;
6423         sigaction(SIGINT, &sact, NULL);
6424         sigaction(SIGQUIT, &sact, NULL);
6425         sigaction(SIGTERM, &sact, NULL);
6426         sigaction(SIGHUP, &sact, NULL);
6427
6428         sact.sa_handler = sighdlr;
6429         sact.sa_flags = SA_NOCLDSTOP;
6430         sigaction(SIGCHLD, &sact, NULL);
6431
6432         astate = XInternAtom(display, "WM_STATE", False);
6433         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6434         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6435         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6436         a_wmname = XInternAtom(display, "WM_NAME", False);
6437         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6438         a_string = XInternAtom(display, "STRING", False);
6439         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6440
6441         /* look for local and global conf file */
6442         pwd = getpwuid(getuid());
6443         if (pwd == NULL)
6444                 errx(1, "invalid user %d", getuid());
6445
6446         setup_screens();
6447         setup_globals();
6448         setup_keys();
6449         setup_quirks();
6450         setup_spawn();
6451
6452         /* load config */
6453         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6454         if (stat(conf, &sb) != -1) {
6455                 if (S_ISREG(sb.st_mode))
6456                         cfile = conf;
6457         } else {
6458                 /* try global conf file */
6459                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6460                 if (!stat(conf, &sb))
6461                         if (S_ISREG(sb.st_mode))
6462                                 cfile = conf;
6463         }
6464         if (cfile)
6465                 conf_load(cfile, SWM_CONF_DEFAULT);
6466
6467         setup_ewmh();
6468         /* set some values to work around bad programs */
6469         workaround();
6470         /* grab existing windows (before we build the bars) */
6471         grab_windows();
6472
6473         if (getenv("SWM_STARTED") == NULL)
6474                 setenv("SWM_STARTED", "YES", 1);
6475
6476         /* setup all bars */
6477         for (i = 0; i < ScreenCount(display); i++)
6478                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6479                         if (winfocus == NULL)
6480                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6481                         bar_setup(r);
6482                 }
6483
6484         unfocus_all();
6485
6486         grabkeys();
6487         stack();
6488         if (focus_mode == SWM_FOCUS_DEFAULT)
6489                 drain_enter_notify();
6490
6491         xfd = ConnectionNumber(display);
6492         while (running) {
6493                 while (XPending(display)) {
6494                         XNextEvent(display, &e);
6495                         if (running == 0)
6496                                 goto done;
6497                         if (e.type < LASTEvent) {
6498                                 dumpevent(&e);
6499                                 if (handler[e.type])
6500                                         handler[e.type](&e);
6501                                 else
6502                                         DNPRINTF(SWM_D_EVENT,
6503                                             "win: %lu unknown event: %d\n",
6504                                             e.xany.window, e.type);
6505                         } else {
6506                                 switch (e.type - xrandr_eventbase) {
6507                                 case RRScreenChangeNotify:
6508                                         screenchange(&e);
6509                                         break;
6510                                 default:
6511                                         DNPRINTF(SWM_D_EVENT,
6512                                             "win: %lu unknown xrandr event: "
6513                                             "%d\n", e.xany.window, e.type);
6514                                         break;
6515                                 }
6516                         }
6517                 }
6518
6519                 /* if we are being restarted go focus on first window */
6520                 if (winfocus) {
6521                         rr = winfocus->ws->r;
6522                         if (rr == NULL) {
6523                                 /* not a visible window */
6524                                 winfocus = NULL;
6525                                 continue;
6526                         }
6527                         /* move pointer to first screen if multi screen */
6528                         if (ScreenCount(display) > 1 || outputs > 1)
6529                                 XWarpPointer(display, None, rr->s[0].root,
6530                                     0, 0, 0, 0, rr->g.x,
6531                                     rr->g.y + (bar_enabled ? bar_height : 0));
6532
6533                         a.id = SWM_ARG_ID_FOCUSCUR;
6534                         focus(rr, &a);
6535                         winfocus = NULL;
6536                         continue;
6537                 }
6538
6539                 FD_ZERO(&rd);
6540                 FD_SET(xfd, &rd);
6541                 tv.tv_sec = 1;
6542                 tv.tv_usec = 0;
6543                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6544                         if (errno != EINTR)
6545                                 DNPRINTF(SWM_D_MISC, "select failed");
6546                 if (restart_wm == 1)
6547                         restart(NULL, NULL);
6548                 if (search_resp == 1)
6549                         search_do_resp();
6550                 if (running == 0)
6551                         goto done;
6552                 if (bar_alarm) {
6553                         bar_alarm = 0;
6554                         bar_update();
6555                 }
6556         }
6557 done:
6558         teardown_ewmh();
6559         bar_extra_stop();
6560         XFreeGC(display, bar_gc);
6561         XCloseDisplay(display);
6562
6563         return (0);
6564 }