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 struct search_window {
 211         TAILQ_ENTRY(search_window)      entry;
 212         int                                     idx;
 213         struct ws_win           *win;
 214         Window                          indicator;
 215 };
 216 TAILQ_HEAD(search_winlist, search_window);
 217
 218 struct search_winlist search_wl;
 219
 220 /* search actions */
 221 enum {
 222         SWM_SEARCH_NONE,
 223         SWM_SEARCH_UNICONIFY,
 224         SWM_SEARCH_NAME_WORKSPACE,
 225         SWM_SEARCH_SEARCH_WORKSPACE,
 226         SWM_SEARCH_SEARCH_WINDOW
 227 };
 228
 229 /* dialog windows */
 230 double                  dialog_ratio = .6;
 231 /* status bar */
 232 #define SWM_BAR_MAX             (256)
 233 #define SWM_BAR_JUSTIFY_LEFT    (0)
 234 #define SWM_BAR_JUSTIFY_CENTER  (1)
 235 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 236 #define SWM_BAR_OFFSET          (4)
 237 char                    *bar_argv[] = { NULL, NULL };
 238 int                     bar_pipe[2];
 239 char                    bar_ext[SWM_BAR_MAX];
 240 char                    bar_vertext[SWM_BAR_MAX];
 241 int                     bar_version = 0;
 242 sig_atomic_t            bar_alarm = 0;
 243 int                     bar_delay = 30;
 244 int                     bar_enabled = 1;
 245 int                     bar_border_width = 1;
 246 int                     bar_at_bottom = 0;
 247 int                     bar_extra = 1;
 248 int                     bar_extra_running = 0;
 249 int                     bar_verbose = 1;
 250 int                     bar_height = 0;
 251 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 252 int                     stack_enabled = 1;
 253 int                     clock_enabled = 1;
 254 int                     urgent_enabled = 0;
 255 char                    *clock_format = NULL;
 256 int                     title_name_enabled = 0;
 257 int                     title_class_enabled = 0;
 258 int                     window_name_enabled = 0;
 259 int                     focus_mode = SWM_FOCUS_DEFAULT;
 260 int                     disable_border = 0;
 261 int                     border_width = 1;
 262 int                     verbose_layout = 0;
 263 pid_t                   bar_pid;
 264 GC                      bar_gc;
 265 XGCValues               bar_gcv;
 266 int                     bar_fidx = 0;
 267 XFontStruct             *bar_fs;
 268 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 269 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 270 struct passwd           *pwd;
 271
 272 #define SWM_MENU_FN     (2)
 273 #define SWM_MENU_NB     (4)
 274 #define SWM_MENU_NF     (6)
 275 #define SWM_MENU_SB     (8)
 276 #define SWM_MENU_SF     (10)
 277
 278 /* layout manager data */
 279 struct swm_geometry {
 280         int                     x;
 281         int                     y;
 282         int                     w;
 283         int                     h;
 284 };
 285
 286 struct swm_screen;
 287 struct workspace;
 288
 289 /* virtual "screens" */
 290 struct swm_region {
 291         TAILQ_ENTRY(swm_region) entry;
 292         struct swm_geometry     g;
 293         struct workspace        *ws;    /* current workspace on this region */
 294         struct workspace        *ws_prior; /* prior workspace on this region */
 295         struct swm_screen       *s;     /* screen idx */
 296         Window                  bar_window;
 297 };
 298 TAILQ_HEAD(swm_region_list, swm_region);
 299
 300 struct ws_win {
 301         TAILQ_ENTRY(ws_win)     entry;
 302         Window                  id;
 303         Window                  transient;
 304         struct ws_win           *child_trans;   /* transient child window */
 305         struct swm_geometry     g;              /* current geometry */
 306         struct swm_geometry     g_float;        /* geometry when floating */
 307         struct swm_geometry     rg_float;       /* region geom when floating */
 308         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 309         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 310         int                     floating;
 311         int                     manual;
 312         int                     iconic;
 313         unsigned int            ewmh_flags;
 314         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 315         int                     font_steps;
 316         int                     last_inc;
 317         int                     can_delete;
 318         int                     take_focus;
 319         int                     java;
 320         unsigned long           quirks;
 321         struct workspace        *ws;    /* always valid */
 322         struct swm_screen       *s;     /* always valid, never changes */
 323         XWindowAttributes       wa;
 324         XSizeHints              sh;
 325         XClassHint              ch;
 326         XWMHints                *hints;
 327 };
 328 TAILQ_HEAD(ws_win_list, ws_win);
 329
 330 /* pid goo */
 331 struct pid_e {
 332         TAILQ_ENTRY(pid_e)      entry;
 333         long                    pid;
 334         int                     ws;
 335 };
 336 TAILQ_HEAD(pid_list, pid_e);
 337 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 338
 339 /* layout handlers */
 340 void    stack(void);
 341 void    vertical_config(struct workspace *, int);
 342 void    vertical_stack(struct workspace *, struct swm_geometry *);
 343 void    horizontal_config(struct workspace *, int);
 344 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 345 void    max_stack(struct workspace *, struct swm_geometry *);
 346 void    plain_stacker(struct workspace *);
 347 void    fancy_stacker(struct workspace *);
 348
 349 struct ws_win *find_window(Window);
 350
 351 void    grabbuttons(struct ws_win *, int);
 352 void    new_region(struct swm_screen *, int, int, int, int);
 353 void    unmanage_window(struct ws_win *);
 354 long    getstate(Window);
 355
 356 int     conf_load(char *, int);
 357
 358 struct layout {
 359         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 360         void            (*l_config)(struct workspace *, int);
 361         u_int32_t       flags;
 362 #define SWM_L_FOCUSPREV         (1<<0)
 363 #define SWM_L_MAPONFOCUS        (1<<1)
 364         void            (*l_string)(struct workspace *);
 365 } layouts[] =  {
 366         /* stack,               configure */
 367         { vertical_stack,       vertical_config,        0,      plain_stacker },
 368         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 369         { max_stack,            NULL,
 370           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 371         { NULL,                 NULL,                   0,      NULL  },
 372 };
 373
 374 /* position of max_stack mode in the layouts array, index into layouts! */
 375 #define SWM_V_STACK             (0)
 376 #define SWM_H_STACK             (1)
 377 #define SWM_MAX_STACK           (2)
 378
 379 #define SWM_H_SLICE             (32)
 380 #define SWM_V_SLICE             (32)
 381
 382 /* define work spaces */
 383 struct workspace {
 384         int                     idx;            /* workspace index */
 385         char                    *name;          /* workspace name */
 386         int                     always_raise;   /* raise windows on focus */
 387         struct layout           *cur_layout;    /* current layout handlers */
 388         struct ws_win           *focus;         /* may be NULL */
 389         struct ws_win           *focus_prev;    /* may be NULL */
 390         struct swm_region       *r;             /* may be NULL */
 391         struct swm_region       *old_r;         /* may be NULL */
 392         struct ws_win_list      winlist;        /* list of windows in ws */
 393         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 394         char                    stacker[10];    /* display stacker and layout */
 395
 396         /* stacker state */
 397         struct {
 398                                 int horizontal_msize;
 399                                 int horizontal_mwin;
 400                                 int horizontal_stacks;
 401                                 int vertical_msize;
 402                                 int vertical_mwin;
 403                                 int vertical_stacks;
 404         } l_state;
 405 };
 406
 407 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 408           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 409
 410 /* physical screen mapping */
 411 #define SWM_WS_MAX              (10)
 412 struct swm_screen {
 413         int                     idx;    /* screen index */
 414         struct swm_region_list  rl;     /* list of regions on this screen */
 415         struct swm_region_list  orl;    /* list of old regions */
 416         Window                  root;
 417         struct workspace        ws[SWM_WS_MAX];
 418
 419         /* colors */
 420         struct {
 421                 unsigned long   color;
 422                 char            *name;
 423         } c[SWM_S_COLOR_MAX];
 424 };
 425 struct swm_screen       *screens;
 426 int                     num_screens;
 427
 428 /* args to functions */
 429 union arg {
 430         int                     id;
 431 #define SWM_ARG_ID_FOCUSNEXT    (0)
 432 #define SWM_ARG_ID_FOCUSPREV    (1)
 433 #define SWM_ARG_ID_FOCUSMAIN    (2)
 434 #define SWM_ARG_ID_FOCUSCUR     (4)
 435 #define SWM_ARG_ID_SWAPNEXT     (10)
 436 #define SWM_ARG_ID_SWAPPREV     (11)
 437 #define SWM_ARG_ID_SWAPMAIN     (12)
 438 #define SWM_ARG_ID_MOVELAST     (13)
 439 #define SWM_ARG_ID_MASTERSHRINK (20)
 440 #define SWM_ARG_ID_MASTERGROW   (21)
 441 #define SWM_ARG_ID_MASTERADD    (22)
 442 #define SWM_ARG_ID_MASTERDEL    (23)
 443 #define SWM_ARG_ID_STACKRESET   (30)
 444 #define SWM_ARG_ID_STACKINIT    (31)
 445 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 446 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 447 #define SWM_ARG_ID_CYCLESC_UP   (42)
 448 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 449 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 450 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 451 #define SWM_ARG_ID_STACKINC     (50)
 452 #define SWM_ARG_ID_STACKDEC     (51)
 453 #define SWM_ARG_ID_SS_ALL       (60)
 454 #define SWM_ARG_ID_SS_WINDOW    (61)
 455 #define SWM_ARG_ID_DONTCENTER   (70)
 456 #define SWM_ARG_ID_CENTER       (71)
 457 #define SWM_ARG_ID_KILLWINDOW   (80)
 458 #define SWM_ARG_ID_DELETEWINDOW (81)
 459 #define SWM_ARG_ID_WIDTHGROW    (90)
 460 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 461 #define SWM_ARG_ID_HEIGHTGROW   (92)
 462 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 463 #define SWM_ARG_ID_MOVEUP       (100)
 464 #define SWM_ARG_ID_MOVEDOWN     (101)
 465 #define SWM_ARG_ID_MOVELEFT     (102)
 466 #define SWM_ARG_ID_MOVERIGHT    (103)
 467         char                    **argv;
 468 };
 469
 470 void    focus(struct swm_region *, union arg *);
 471 void    focus_magic(struct ws_win *);
 472
 473 /* quirks */
 474 struct quirk {
 475         char                    *class;
 476         char                    *name;
 477         unsigned long           quirk;
 478 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 479 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 480 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 481 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 482 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 483 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 484 };
 485 int                             quirks_size = 0, quirks_length = 0;
 486 struct quirk                    *quirks = NULL;
 487
 488 /*
 489  * Supported EWMH hints should be added to
 490  * both the enum and the ewmh array
 491  */
 492 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 493     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 494     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 495     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 496     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 497     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 498     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 499     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 500     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 501     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 502     SWM_EWMH_HINT_MAX };
 503
 504 struct ewmh_hint {
 505         char    *name;
 506         Atom     atom;
 507 } ewmh[SWM_EWMH_HINT_MAX] =     {
 508     /* must be in same order as in the enum */
 509     {"_NET_ACTIVE_WINDOW", None},
 510     {"_NET_MOVERESIZE_WINDOW", None},
 511     {"_NET_CLOSE_WINDOW", None},
 512     {"_NET_WM_WINDOW_TYPE", None},
 513     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 514     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 515     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 516     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 517     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 518     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 519     {"_NET_WM_STATE", None},
 520     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 521     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 522     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 523     {"_NET_WM_STATE_SKIP_PAGER", None},
 524     {"_NET_WM_STATE_HIDDEN", None},
 525     {"_NET_WM_STATE_ABOVE", None},
 526     {"_SWM_WM_STATE_MANUAL", None},
 527     {"_NET_WM_STATE_FULLSCREEN", None},
 528     {"_NET_WM_ALLOWED_ACTIONS", None},
 529     {"_NET_WM_ACTION_MOVE", None},
 530     {"_NET_WM_ACTION_RESIZE", None},
 531     {"_NET_WM_ACTION_FULLSCREEN", None},
 532     {"_NET_WM_ACTION_CLOSE", None},
 533 };
 534
 535 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 536 int     floating_toggle_win(struct ws_win *win);
 537 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 538
 539 int
 540 get_property(Window id, Atom atom, long count, Atom type,
 541     unsigned long *n, unsigned char **data)
 542 {
 543         int                     format, status;
 544         unsigned long           tmp, extra;
 545         unsigned long           *nitems;
 546         Atom                    real;
 547
 548         nitems = n != NULL ? n : &tmp;
 549         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 550             &real, &format, nitems, &extra, data);
 551
 552         if (status != Success)
 553                 return False;
 554         if (real != type)
 555                 return False;
 556
 557         return True;
 558 }
 559
 560 void
 561 update_iconic(struct ws_win *win, int newv)
 562 {
 563         int32_t v = newv;
 564         Atom iprop;
 565
 566         win->iconic = newv;
 567
 568         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 569         if (!iprop)
 570                 return;
 571         if (newv)
 572                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 573                     PropModeReplace, (unsigned char *)&v, 1);
 574         else
 575                 XDeleteProperty(display, win->id, iprop);
 576 }
 577
 578 int
 579 get_iconic(struct ws_win *win)
 580 {
 581         int32_t v = 0;
 582         int retfmt, status;
 583         Atom iprop, rettype;
 584         unsigned long nitems, extra;
 585         unsigned char *prop = NULL;
 586
 587         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 588         if (!iprop)
 589                 goto out;
 590         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 591             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 592         if (status != Success)
 593                 goto out;
 594         if (rettype != XA_INTEGER || retfmt != 32)
 595                 goto out;
 596         if (nitems != 1)
 597                 goto out;
 598         v = *((int32_t *)prop);
 599
 600 out:
 601         if (prop != NULL)
 602                 XFree(prop);
 603         return (v);
 604 }
 605
 606 void
 607 setup_ewmh(void)
 608 {
 609         int                     i,j;
 610         Atom                    sup_list;
 611
 612         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 613
 614         for (i = 0; i < LENGTH(ewmh); i++)
 615                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 616
 617         for (i = 0; i < ScreenCount(display); i++) {
 618                 /* Support check window will be created by workaround(). */
 619
 620                 /* Report supported atoms */
 621                 XDeleteProperty(display, screens[i].root, sup_list);
 622                 for (j = 0; j < LENGTH(ewmh); j++)
 623                         XChangeProperty(display, screens[i].root,
 624                             sup_list, XA_ATOM, 32,
 625                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 626         }
 627 }
 628
 629 void
 630 teardown_ewmh(void)
 631 {
 632         int                     i, success;
 633         unsigned char           *data = NULL;
 634         unsigned long           n;
 635         Atom                    sup_check, sup_list;
 636         Window                  id;
 637
 638         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 639         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 640
 641         for (i = 0; i < ScreenCount(display); i++) {
 642                 /* Get the support check window and destroy it */
 643                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 644                     &n, &data);
 645
 646                 if (success) {
 647                         id = data[0];
 648                         XDestroyWindow(display, id);
 649                         XDeleteProperty(display, screens[i].root, sup_check);
 650                         XDeleteProperty(display, screens[i].root, sup_list);
 651                 }
 652
 653                 XFree(data);
 654         }
 655 }
 656
 657 void
 658 ewmh_autoquirk(struct ws_win *win)
 659 {
 660         int                     success, i;
 661         unsigned long           *data = NULL, n;
 662         Atom                    type;
 663
 664         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 665             XA_ATOM, &n, (void *)&data);
 666
 667         if (!success) {
 668                 XFree(data);
 669                 return;
 670         }
 671
 672         for (i = 0; i < n; i++) {
 673                 type = data[i];
 674                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 675                         break;
 676                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 677                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 678                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 679                         win->floating = 1;
 680                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 681                         break;
 682                 }
 683                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 684                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 685                         win->floating = 1;
 686                         win->quirks = SWM_Q_FLOAT;
 687                         break;
 688                 }
 689         }
 690
 691         XFree(data);
 692 }
 693
 694 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 695 #define EWMH_F_FULLSCREEN               (1<<0)
 696 #define EWMH_F_ABOVE                    (1<<1)
 697 #define EWMH_F_HIDDEN                   (1<<2)
 698 #define EWMH_F_SKIP_PAGER               (1<<3)
 699 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 700 #define SWM_F_MANUAL                    (1<<5)
 701
 702 int
 703 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 704 {
 705         struct swm_geometry     rg;
 706
 707         if (!win->ws->r)
 708                 return 0;
 709
 710         if (!win->floating)
 711                 return 0;
 712
 713         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 714             win->id, fs);
 715
 716         rg = win->ws->r->g;
 717
 718         if (fs) {
 719                 store_float_geom(win, win->ws->r);
 720
 721                 win->g.x = rg.x;
 722                 win->g.y = rg.y;
 723                 win->g.w = rg.w;
 724                 win->g.h = rg.h;
 725         } else {
 726                 if (win->g_floatvalid) {
 727                         /* refloat at last floating relative position */
 728                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 729                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 730                         win->g.w = win->g_float.w;
 731                         win->g.h = win->g_float.h;
 732                 }
 733         }
 734
 735         return 1;
 736 }
 737
 738 void
 739 ewmh_update_actions(struct ws_win *win)
 740 {
 741         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 742         int                     n = 0;
 743
 744         if (win == NULL)
 745                 return;
 746
 747         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 748
 749         if (win->floating) {
 750                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 751                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 752         }
 753
 754         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 755             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 756 }
 757
 758 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 759 #define _NET_WM_STATE_ADD       1    /* add/set property */
 760 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 761
 762 void
 763 ewmh_update_win_state(struct ws_win *win, long state, long action)
 764 {
 765         unsigned int            mask = 0;
 766         unsigned int            changed = 0;
 767         unsigned int            orig_flags;
 768
 769         if (win == NULL)
 770                 return;
 771
 772         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 773                 mask = EWMH_F_FULLSCREEN;
 774         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 775                 mask = EWMH_F_ABOVE;
 776         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 777                 mask = SWM_F_MANUAL;
 778         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 779                 mask = EWMH_F_SKIP_PAGER;
 780         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 781                 mask = EWMH_F_SKIP_TASKBAR;
 782
 783
 784         orig_flags = win->ewmh_flags;
 785
 786         switch (action) {
 787         case _NET_WM_STATE_REMOVE:
 788                 win->ewmh_flags &= ~mask;
 789                 break;
 790         case _NET_WM_STATE_ADD:
 791                 win->ewmh_flags |= mask;
 792                 break;
 793         case _NET_WM_STATE_TOGGLE:
 794                 win->ewmh_flags ^= mask;
 795                 break;
 796         }
 797
 798         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 799
 800         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 801                 if (changed)
 802                         if (!floating_toggle_win(win))
 803                                 win->ewmh_flags = orig_flags; /* revert */
 804         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 805                 if (changed)
 806                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 807         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 808                 if (changed)
 809                         if (!ewmh_set_win_fullscreen(win,
 810                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 811                                 win->ewmh_flags = orig_flags; /* revert */
 812
 813         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 814
 815         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 816                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 817                     XA_ATOM, 32, PropModeAppend,
 818                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 819         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 820                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 821                     XA_ATOM, 32, PropModeAppend,
 822                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 823         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 824                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 825                     XA_ATOM, 32, PropModeAppend,
 826                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 827         if (win->ewmh_flags & EWMH_F_ABOVE)
 828                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 829                     XA_ATOM, 32, PropModeAppend,
 830                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 831         if (win->ewmh_flags & SWM_F_MANUAL)
 832                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 833                     XA_ATOM, 32, PropModeAppend,
 834                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 835 }
 836
 837 void
 838 ewmh_get_win_state(struct ws_win *win)
 839 {
 840         int                     success, i;
 841         unsigned long           n;
 842         Atom                    *states;
 843
 844         if (win == NULL)
 845                 return;
 846
 847         win->ewmh_flags = 0;
 848         if (win->floating)
 849                 win->ewmh_flags |= EWMH_F_ABOVE;
 850         if (win->manual)
 851                 win->ewmh_flags |= SWM_F_MANUAL;
 852
 853         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 854             (~0L), XA_ATOM, &n, (void *)&states);
 855
 856         if (!success)
 857                 return;
 858
 859         for (i = 0; i < n; i++)
 860                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 861
 862         XFree(states);
 863 }
 864
 865 /* events */
 866 #ifdef SWM_DEBUG
 867 void
 868 dumpevent(XEvent *e)
 869 {
 870         char                    *name = NULL;
 871
 872         switch (e->type) {
 873         case KeyPress:
 874                 name = "KeyPress";
 875                 break;
 876         case KeyRelease:
 877                 name = "KeyRelease";
 878                 break;
 879         case ButtonPress:
 880                 name = "ButtonPress";
 881                 break;
 882         case ButtonRelease:
 883                 name = "ButtonRelease";
 884                 break;
 885         case MotionNotify:
 886                 name = "MotionNotify";
 887                 break;
 888         case EnterNotify:
 889                 name = "EnterNotify";
 890                 break;
 891         case LeaveNotify:
 892                 name = "LeaveNotify";
 893                 break;
 894         case FocusIn:
 895                 name = "FocusIn";
 896                 break;
 897         case FocusOut:
 898                 name = "FocusOut";
 899                 break;
 900         case KeymapNotify:
 901                 name = "KeymapNotify";
 902                 break;
 903         case Expose:
 904                 name = "Expose";
 905                 break;
 906         case GraphicsExpose:
 907                 name = "GraphicsExpose";
 908                 break;
 909         case NoExpose:
 910                 name = "NoExpose";
 911                 break;
 912         case VisibilityNotify:
 913                 name = "VisibilityNotify";
 914                 break;
 915         case CreateNotify:
 916                 name = "CreateNotify";
 917                 break;
 918         case DestroyNotify:
 919                 name = "DestroyNotify";
 920                 break;
 921         case UnmapNotify:
 922                 name = "UnmapNotify";
 923                 break;
 924         case MapNotify:
 925                 name = "MapNotify";
 926                 break;
 927         case MapRequest:
 928                 name = "MapRequest";
 929                 break;
 930         case ReparentNotify:
 931                 name = "ReparentNotify";
 932                 break;
 933         case ConfigureNotify:
 934                 name = "ConfigureNotify";
 935                 break;
 936         case ConfigureRequest:
 937                 name = "ConfigureRequest";
 938                 break;
 939         case GravityNotify:
 940                 name = "GravityNotify";
 941                 break;
 942         case ResizeRequest:
 943                 name = "ResizeRequest";
 944                 break;
 945         case CirculateNotify:
 946                 name = "CirculateNotify";
 947                 break;
 948         case CirculateRequest:
 949                 name = "CirculateRequest";
 950                 break;
 951         case PropertyNotify:
 952                 name = "PropertyNotify";
 953                 break;
 954         case SelectionClear:
 955                 name = "SelectionClear";
 956                 break;
 957         case SelectionRequest:
 958                 name = "SelectionRequest";
 959                 break;
 960         case SelectionNotify:
 961                 name = "SelectionNotify";
 962                 break;
 963         case ColormapNotify:
 964                 name = "ColormapNotify";
 965                 break;
 966         case ClientMessage:
 967                 name = "ClientMessage";
 968                 break;
 969         case MappingNotify:
 970                 name = "MappingNotify";
 971                 break;
 972         }
 973
 974         if (name)
 975                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 976                     "remaining\n",
 977                     e->xany.window, name, e->type, QLength(display));
 978         else
 979                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 980                     "remaining\n",
 981                     e->xany.window, e->type, QLength(display));
 982 }
 983
 984 void
 985 dumpwins(struct swm_region *r, union arg *args)
 986 {
 987         struct ws_win           *win;
 988         unsigned int            state;
 989         XWindowAttributes       wa;
 990
 991         if (r->ws == NULL) {
 992                 fprintf(stderr, "invalid workspace\n");
 993                 return;
 994         }
 995
 996         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 997
 998         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 999                 state = getstate(win->id);
1000                 if (!XGetWindowAttributes(display, win->id, &wa))
1001                         fprintf(stderr, "window: %lu failed "
1002                             "XGetWindowAttributes\n", win->id);
1003                 fprintf(stderr, "window: %lu map_state: %d state: %d "
1004                     "transient: %lu\n",
1005                     win->id, wa.map_state, state, win->transient);
1006         }
1007
1008         fprintf(stderr, "===== unmanaged window list =====\n");
1009         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1010                 state = getstate(win->id);
1011                 if (!XGetWindowAttributes(display, win->id, &wa))
1012                         fprintf(stderr, "window: %lu failed "
1013                             "XGetWindowAttributes\n", win->id);
1014                 fprintf(stderr, "window: %lu map_state: %d state: %d "
1015                     "transient: %lu\n",
1016                     win->id, wa.map_state, state, win->transient);
1017         }
1018
1019         fprintf(stderr, "=================================\n");
1020 }
1021 #else
1022 #define dumpevent(e)
1023 void
1024 dumpwins(struct swm_region *r, union arg *args)
1025 {
1026 }
1027 #endif /* SWM_DEBUG */
1028
1029 void                    expose(XEvent *);
1030 void                    keypress(XEvent *);
1031 void                    buttonpress(XEvent *);
1032 void                    configurerequest(XEvent *);
1033 void                    configurenotify(XEvent *);
1034 void                    destroynotify(XEvent *);
1035 void                    enternotify(XEvent *);
1036 void                    focusevent(XEvent *);
1037 void                    mapnotify(XEvent *);
1038 void                    mappingnotify(XEvent *);
1039 void                    maprequest(XEvent *);
1040 void                    propertynotify(XEvent *);
1041 void                    unmapnotify(XEvent *);
1042 void                    visibilitynotify(XEvent *);
1043 void                    clientmessage(XEvent *);
1044
1045 void                    (*handler[LASTEvent])(XEvent *) = {
1046                                 [Expose] = expose,
1047                                 [KeyPress] = keypress,
1048                                 [ButtonPress] = buttonpress,
1049                                 [ConfigureRequest] = configurerequest,
1050                                 [ConfigureNotify] = configurenotify,
1051                                 [DestroyNotify] = destroynotify,
1052                                 [EnterNotify] = enternotify,
1053                                 [FocusIn] = focusevent,
1054                                 [FocusOut] = focusevent,
1055                                 [MapNotify] = mapnotify,
1056                                 [MappingNotify] = mappingnotify,
1057                                 [MapRequest] = maprequest,
1058                                 [PropertyNotify] = propertynotify,
1059                                 [UnmapNotify] = unmapnotify,
1060                                 [VisibilityNotify] = visibilitynotify,
1061                                 [ClientMessage] = clientmessage,
1062 };
1063
1064 void
1065 sighdlr(int sig)
1066 {
1067         int                     saved_errno, status;
1068         pid_t                   pid;
1069
1070         saved_errno = errno;
1071
1072         switch (sig) {
1073         case SIGCHLD:
1074                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1075                         if (pid == -1) {
1076                                 if (errno == EINTR)
1077                                         continue;
1078 #ifdef SWM_DEBUG
1079                                 if (errno != ECHILD)
1080                                         warn("sighdlr: waitpid");
1081 #endif /* SWM_DEBUG */
1082                                 break;
1083                         }
1084                         if (pid == searchpid)
1085                                 search_resp = 1;
1086
1087 #ifdef SWM_DEBUG
1088                         if (WIFEXITED(status)) {
1089                                 if (WEXITSTATUS(status) != 0)
1090                                         warnx("sighdlr: child exit status: %d",
1091                                             WEXITSTATUS(status));
1092                         } else
1093                                 warnx("sighdlr: child is terminated "
1094                                     "abnormally");
1095 #endif /* SWM_DEBUG */
1096                 }
1097                 break;
1098
1099         case SIGHUP:
1100                 restart_wm = 1;
1101                 break;
1102         case SIGINT:
1103         case SIGTERM:
1104         case SIGQUIT:
1105                 running = 0;
1106                 break;
1107         }
1108
1109         errno = saved_errno;
1110 }
1111
1112 struct pid_e *
1113 find_pid(long pid)
1114 {
1115         struct pid_e            *p = NULL;
1116
1117         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1118
1119         if (pid == 0)
1120                 return (NULL);
1121
1122         TAILQ_FOREACH(p, &pidlist, entry) {
1123                 if (p->pid == pid)
1124                         return (p);
1125         }
1126
1127         return (NULL);
1128 }
1129
1130 unsigned long
1131 name_to_color(char *colorname)
1132 {
1133         Colormap                cmap;
1134         Status                  status;
1135         XColor                  screen_def, exact_def;
1136         unsigned long           result = 0;
1137         char                    cname[32] = "#";
1138
1139         cmap = DefaultColormap(display, screens[0].idx);
1140         status = XAllocNamedColor(display, cmap, colorname,
1141             &screen_def, &exact_def);
1142         if (!status) {
1143                 strlcat(cname, colorname + 2, sizeof cname - 1);
1144                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1145                     &exact_def);
1146         }
1147         if (status)
1148                 result = screen_def.pixel;
1149         else
1150                 fprintf(stderr, "color '%s' not found.\n", colorname);
1151
1152         return (result);
1153 }
1154
1155 void
1156 setscreencolor(char *val, int i, int c)
1157 {
1158         if (i > 0 && i <= ScreenCount(display)) {
1159                 screens[i - 1].c[c].color = name_to_color(val);
1160                 free(screens[i - 1].c[c].name);
1161                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1162                         err(1, "strdup");
1163         } else if (i == -1) {
1164                 for (i = 0; i < ScreenCount(display); i++) {
1165                         screens[i].c[c].color = name_to_color(val);
1166                         free(screens[i].c[c].name);
1167                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1168                                 err(1, "strdup");
1169                 }
1170         } else
1171                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1172                     i, ScreenCount(display));
1173 }
1174
1175 void
1176 fancy_stacker(struct workspace *ws)
1177 {
1178         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1179         if (ws->cur_layout->l_stack == vertical_stack)
1180                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1181                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1182         if (ws->cur_layout->l_stack == horizontal_stack)
1183                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1184                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1185 }
1186
1187 void
1188 plain_stacker(struct workspace *ws)
1189 {
1190         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1191         if (ws->cur_layout->l_stack == vertical_stack)
1192                 strlcpy(ws->stacker, "[|]", sizeof ws->stacker);
1193         if (ws->cur_layout->l_stack == horizontal_stack)
1194                 strlcpy(ws->stacker, "[-]", sizeof ws->stacker);
1195 }
1196
1197 void
1198 custom_region(char *val)
1199 {
1200         unsigned int                    sidx, x, y, w, h;
1201
1202         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1203                 errx(1, "invalid custom region, "
1204                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1205         if (sidx < 1 || sidx > ScreenCount(display))
1206                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1207                     sidx, ScreenCount(display));
1208         sidx--;
1209
1210         if (w < 1 || h < 1)
1211                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1212
1213         if (x > DisplayWidth(display, sidx) ||
1214             y > DisplayHeight(display, sidx) ||
1215             w + x > DisplayWidth(display, sidx) ||
1216             h + y > DisplayHeight(display, sidx)) {
1217                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1218                     "- not within screen boundaries "
1219                     "(%ux%u)\n", w, h, x, y,
1220                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1221                 return;
1222         }
1223
1224         new_region(&screens[sidx], x, y, w, h);
1225 }
1226
1227 void
1228 socket_setnonblock(int fd)
1229 {
1230         int                     flags;
1231
1232         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1233                 err(1, "fcntl F_GETFL");
1234         flags |= O_NONBLOCK;
1235         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1236                 err(1, "fcntl F_SETFL");
1237 }
1238
1239 void
1240 bar_print(struct swm_region *r, char *s)
1241 {
1242         int                     textwidth, x;
1243         size_t          len;
1244
1245         XClearWindow(display, r->bar_window);
1246         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1247
1248         len = strlen(s);
1249         textwidth = XTextWidth(bar_fs, s, len);
1250
1251         switch (bar_justify) {
1252         case SWM_BAR_JUSTIFY_LEFT:
1253                 x = SWM_BAR_OFFSET;
1254                 break;
1255         case SWM_BAR_JUSTIFY_CENTER:
1256                 x = (WIDTH(r) - textwidth) / 2;
1257                 break;
1258         case SWM_BAR_JUSTIFY_RIGHT:
1259                 x = WIDTH(r) - textwidth - SWM_BAR_OFFSET;
1260                 break;
1261         }
1262
1263         if (x < SWM_BAR_OFFSET)
1264                 x = SWM_BAR_OFFSET;
1265
1266         XDrawString(display, r->bar_window, bar_gc, x, bar_fs->ascent, s, len);
1267 }
1268
1269 void
1270 bar_extra_stop(void)
1271 {
1272         if (bar_pipe[0]) {
1273                 close(bar_pipe[0]);
1274                 bzero(bar_pipe, sizeof bar_pipe);
1275         }
1276         if (bar_pid) {
1277                 kill(bar_pid, SIGTERM);
1278                 bar_pid = 0;
1279         }
1280         strlcpy(bar_ext, "", sizeof bar_ext);
1281         bar_extra = 0;
1282 }
1283
1284 void
1285 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1286 {
1287         int                     do_class, do_name;
1288         Status                  status;
1289         XClassHint              *xch = NULL;
1290
1291         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1292             cur_focus != NULL) {
1293                 if ((xch = XAllocClassHint()) == NULL)
1294                         goto out;
1295                 status = XGetClassHint(display, cur_focus->id, xch);
1296                 if (status == BadWindow || status == BadAlloc)
1297                         goto out;
1298                 do_class = (title_class_enabled && xch->res_class != NULL);
1299                 do_name = (title_name_enabled && xch->res_name != NULL);
1300                 if (do_class)
1301                         strlcat(s, xch->res_class, sz);
1302                 if (do_class && do_name)
1303                         strlcat(s, ":", sz);
1304                 if (do_name)
1305                         strlcat(s, xch->res_name, sz);
1306                 strlcat(s, "    ", sz);
1307         }
1308 out:
1309         if (xch)
1310                 XFree(xch);
1311 }
1312
1313 void
1314 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1315 {
1316         char                    *title;
1317
1318         if (window_name_enabled && cur_focus != NULL) {
1319                 XFetchName(display, cur_focus->id, &title);
1320                 if (title) {
1321                         if (cur_focus->floating)
1322                                 strlcat(s, "(f) ", sz);
1323                         strlcat(s, title, sz);
1324                         strlcat(s, " ", sz);
1325                         XFree(title);
1326                 }
1327         }
1328 }
1329
1330 int             urgent[SWM_WS_MAX];
1331 void
1332 bar_urgent(char *s, ssize_t sz)
1333 {
1334         XWMHints                *wmh = NULL;
1335         struct ws_win           *win;
1336         int                     i, j;
1337         char                    b[8];
1338
1339         if (urgent_enabled == 0)
1340                 return;
1341
1342         for (i = 0; i < SWM_WS_MAX; i++)
1343                 urgent[i] = 0;
1344
1345         for (i = 0; i < ScreenCount(display); i++)
1346                 for (j = 0; j < SWM_WS_MAX; j++)
1347                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1348                                 wmh = XGetWMHints(display, win->id);
1349                                 if (wmh == NULL)
1350                                         continue;
1351
1352                                 if (wmh->flags & XUrgencyHint)
1353                                         urgent[j] = 1;
1354                                 XFree(wmh);
1355                         }
1356
1357         strlcat(s, "* ", sz);
1358         for (i = 0; i < SWM_WS_MAX; i++) {
1359                 if (urgent[i])
1360                         snprintf(b, sizeof b, "%d ", i + 1);
1361                 else
1362                         snprintf(b, sizeof b, "- ");
1363                 strlcat(s, b, sz);
1364         }
1365         strlcat(s, "*    ", sz);
1366 }
1367
1368 void
1369 bar_update(void)
1370 {
1371         time_t                  tmt;
1372         struct tm               tm;
1373         struct swm_region       *r;
1374         int                     i, x;
1375         size_t                  len;
1376         char                    ws[SWM_BAR_MAX];
1377         char                    s[SWM_BAR_MAX];
1378         char                    cn[SWM_BAR_MAX];
1379         char                    loc[SWM_BAR_MAX];
1380         char                    *b, *stack = "";
1381
1382         if (bar_enabled == 0)
1383                 return;
1384         if (bar_extra && bar_extra_running) {
1385                 /* ignore short reads; it'll correct itself */
1386                 while ((b = fgetln(stdin, &len)) != NULL)
1387                         if (b && b[len - 1] == '\n') {
1388                                 b[len - 1] = '\0';
1389                                 strlcpy(bar_ext, b, sizeof bar_ext);
1390                         }
1391                 if (b == NULL && errno != EAGAIN) {
1392                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1393                             errno, strerror(errno));
1394                         bar_extra_stop();
1395                 }
1396         } else
1397                 strlcpy(bar_ext, "", sizeof bar_ext);
1398
1399         if (clock_enabled == 0)
1400                 strlcpy(s, "", sizeof s);
1401         else {
1402                 time(&tmt);
1403                 localtime_r(&tmt, &tm);
1404                 strftime(s, sizeof s, clock_format, &tm);
1405                 strlcat(s, "    ", sizeof s);
1406         }
1407
1408         for (i = 0; i < ScreenCount(display); i++) {
1409                 x = 1;
1410                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1411                         strlcpy(cn, "", sizeof cn);
1412                         strlcpy(ws, "", sizeof ws);
1413                         if (r && r->ws) {
1414                                 bar_urgent(cn, sizeof cn);
1415                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1416                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1417                                 if (r->ws->name)
1418                                         snprintf(ws, sizeof ws, "<%s>", r->ws->name);
1419                         }
1420                         if (stack_enabled)
1421                                 stack = r->ws->stacker;
1422
1423                         snprintf(loc, sizeof loc, "%d:%d %s %s   %s%s    %s    %s",
1424                             x++, r->ws->idx + 1, stack, ws, s, cn, bar_ext,
1425                             bar_vertext);
1426                         bar_print(r, loc);
1427                 }
1428         }
1429         alarm(bar_delay);
1430 }
1431
1432 void
1433 bar_signal(int sig)
1434 {
1435         bar_alarm = 1;
1436 }
1437
1438 void
1439 bar_toggle(struct swm_region *r, union arg *args)
1440 {
1441         struct swm_region       *tmpr;
1442         int                     i, sc = ScreenCount(display);
1443
1444         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1445
1446         if (bar_enabled)
1447                 for (i = 0; i < sc; i++)
1448                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1449                                 XUnmapWindow(display, tmpr->bar_window);
1450         else
1451                 for (i = 0; i < sc; i++)
1452                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1453                                 XMapRaised(display, tmpr->bar_window);
1454
1455         bar_enabled = !bar_enabled;
1456
1457         stack();
1458         /* must be after stack */
1459         bar_update();
1460 }
1461
1462 void
1463 bar_refresh(void)
1464 {
1465         XSetWindowAttributes    wa;
1466         struct swm_region       *r;
1467         int                     i;
1468
1469         /* do this here because the conf file is in memory */
1470         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1471                 /* launch external status app */
1472                 bar_extra_running = 1;
1473                 if (pipe(bar_pipe) == -1)
1474                         err(1, "pipe error");
1475                 socket_setnonblock(bar_pipe[0]);
1476                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1477                 if (dup2(bar_pipe[0], 0) == -1)
1478                         err(1, "dup2");
1479                 if (dup2(bar_pipe[1], 1) == -1)
1480                         err(1, "dup2");
1481                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1482                         err(1, "could not disable SIGPIPE");
1483                 switch (bar_pid = fork()) {
1484                 case -1:
1485                         err(1, "cannot fork");
1486                         break;
1487                 case 0: /* child */
1488                         close(bar_pipe[0]);
1489                         execvp(bar_argv[0], bar_argv);
1490                         err(1, "%s external app failed", bar_argv[0]);
1491                         break;
1492                 default: /* parent */
1493                         close(bar_pipe[1]);
1494                         break;
1495                 }
1496         }
1497
1498         bzero(&wa, sizeof wa);
1499         for (i = 0; i < ScreenCount(display); i++)
1500                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1501                         wa.border_pixel =
1502                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1503                         wa.background_pixel =
1504                             screens[i].c[SWM_S_COLOR_BAR].color;
1505                         XChangeWindowAttributes(display, r->bar_window,
1506                             CWBackPixel | CWBorderPixel, &wa);
1507                 }
1508         bar_update();
1509 }
1510
1511 void
1512 bar_setup(struct swm_region *r)
1513 {
1514         int                     i, x, y;
1515
1516         if (bar_fs) {
1517                 XFreeFont(display, bar_fs);
1518                 bar_fs = NULL;
1519         }
1520
1521         for (i = 0; bar_fonts[i] != NULL; i++) {
1522                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1523                 if (bar_fs) {
1524                         bar_fidx = i;
1525                         break;
1526                 }
1527         }
1528         if (bar_fonts[i] == NULL)
1529                 errx(1, "couldn't load font");
1530         if (bar_fs == NULL)
1531                 errx(1, "couldn't create font structure");
1532
1533         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1534             2 * bar_border_width;
1535         x = X(r);
1536         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1537
1538         r->bar_window = XCreateSimpleWindow(display,
1539             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1540             bar_height - 2 * bar_border_width,
1541             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1542             r->s->c[SWM_S_COLOR_BAR].color);
1543         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1544         XSetFont(display, bar_gc, bar_fs->fid);
1545         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1546         if (bar_enabled)
1547                 XMapRaised(display, r->bar_window);
1548         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1549
1550         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1551                 err(1, "could not install bar_signal");
1552         bar_refresh();
1553 }
1554
1555 void
1556 drain_enter_notify(void)
1557 {
1558         int                     i = 0;
1559         XEvent                  cne;
1560
1561         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1562                 i++;
1563
1564         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1565 }
1566
1567 void
1568 set_win_state(struct ws_win *win, long state)
1569 {
1570         long                    data[] = {state, None};
1571
1572         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1573
1574         if (win == NULL)
1575                 return;
1576
1577         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1578             (unsigned char *)data, 2);
1579 }
1580
1581 long
1582 getstate(Window w)
1583 {
1584         long                    result = -1;
1585         unsigned char           *p = NULL;
1586         unsigned long           n;
1587
1588         if (!get_property(w, astate, 2L, astate, &n, &p))
1589                 return (-1);
1590         if (n != 0)
1591                 result = *((long *)p);
1592         XFree(p);
1593         return (result);
1594 }
1595
1596 void
1597 version(struct swm_region *r, union arg *args)
1598 {
1599         bar_version = !bar_version;
1600         if (bar_version)
1601                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s Build: %s",
1602                     SCROTWM_VERSION, buildstr);
1603         else
1604                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1605         bar_update();
1606 }
1607
1608 void
1609 client_msg(struct ws_win *win, Atom a)
1610 {
1611         XClientMessageEvent     cm;
1612
1613         if (win == NULL)
1614                 return;
1615
1616         bzero(&cm, sizeof cm);
1617         cm.type = ClientMessage;
1618         cm.window = win->id;
1619         cm.message_type = aprot;
1620         cm.format = 32;
1621         cm.data.l[0] = a;
1622         cm.data.l[1] = CurrentTime;
1623         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1624 }
1625
1626 void
1627 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1628 {
1629         XConfigureEvent         ce;
1630
1631         if (win == NULL)
1632                 return;
1633
1634         if (ev == NULL) {
1635                 DNPRINTF(SWM_D_MISC,
1636                     "config_win: win %lu x %d y %d w %d h %d\n",
1637                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1638
1639                 ce.type = ConfigureNotify;
1640                 ce.display = display;
1641                 ce.event = win->id;
1642                 ce.window = win->id;
1643                 ce.x = win->g.x;
1644                 ce.y = win->g.y;
1645                 ce.width = win->g.w;
1646                 ce.height = win->g.h;
1647                 ce.border_width = border_width;
1648                 ce.above = None;
1649                 ce.override_redirect = False;
1650         } else {
1651                 DNPRINTF(SWM_D_MISC,
1652                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1653                     ev->window, ev->x, ev->y, ev->width, ev->height);
1654                 ce.type = ConfigureNotify;
1655                 ce.display = ev->display;
1656                 ce.event = ev->window;
1657                 ce.window = ev->window;
1658                 ce.x = ev->x;
1659                 ce.y = ev->y;
1660                 ce.width = ev->width;
1661                 ce.height = ev->height;
1662                 ce.border_width = ev->border_width;
1663                 ce.above = ev->above;
1664                 ce.override_redirect = False;
1665         }
1666
1667         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1668 }
1669
1670 int
1671 count_win(struct workspace *ws, int count_transient)
1672 {
1673         struct ws_win           *win;
1674         int                     count = 0;
1675
1676         TAILQ_FOREACH(win, &ws->winlist, entry) {
1677                 if (count_transient == 0 && win->floating)
1678                         continue;
1679                 if (count_transient == 0 && win->transient)
1680                         continue;
1681                 if (win->iconic)
1682                         continue;
1683                 count++;
1684         }
1685         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1686
1687         return (count);
1688 }
1689
1690 void
1691 quit(struct swm_region *r, union arg *args)
1692 {
1693         DNPRINTF(SWM_D_MISC, "quit\n");
1694         running = 0;
1695 }
1696
1697 void
1698 unmap_window(struct ws_win *win)
1699 {
1700         if (win == NULL)
1701                 return;
1702
1703         /* don't unmap again */
1704         if (getstate(win->id) == IconicState)
1705                 return;
1706
1707         set_win_state(win, IconicState);
1708
1709         XUnmapWindow(display, win->id);
1710         XSetWindowBorder(display, win->id,
1711             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1712 }
1713
1714 void
1715 unmap_all(void)
1716 {
1717         struct ws_win           *win;
1718         int                     i, j;
1719
1720         for (i = 0; i < ScreenCount(display); i++)
1721                 for (j = 0; j < SWM_WS_MAX; j++)
1722                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1723                                 unmap_window(win);
1724 }
1725
1726 void
1727 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1728 {
1729         XKeyEvent event;
1730
1731         if (win == NULL)
1732                 return;
1733
1734         event.display = display;        /* Ignored, but what the hell */
1735         event.window = win->id;
1736         event.root = win->s->root;
1737         event.subwindow = None;
1738         event.time = CurrentTime;
1739         event.x = win->g.x;
1740         event.y = win->g.y;
1741         event.x_root = 1;
1742         event.y_root = 1;
1743         event.same_screen = True;
1744         event.keycode = XKeysymToKeycode(display, keysym);
1745         event.state = modifiers;
1746
1747         event.type = KeyPress;
1748         XSendEvent(event.display, event.window, True,
1749             KeyPressMask, (XEvent *)&event);
1750
1751         event.type = KeyRelease;
1752         XSendEvent(event.display, event.window, True,
1753             KeyPressMask, (XEvent *)&event);
1754
1755 }
1756
1757 void
1758 restart(struct swm_region *r, union arg *args)
1759 {
1760         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1761
1762         /* disable alarm because the following code may not be interrupted */
1763         alarm(0);
1764         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1765                 err(1, "can't disable alarm");
1766
1767         bar_extra_stop();
1768         bar_extra = 1;
1769         unmap_all();
1770         XCloseDisplay(display);
1771         execvp(start_argv[0], start_argv);
1772         fprintf(stderr, "execvp failed\n");
1773         perror(" failed");
1774         quit(NULL, NULL);
1775 }
1776
1777 struct swm_region *
1778 root_to_region(Window root)
1779 {
1780         struct swm_region       *r = NULL;
1781         Window                  rr, cr;
1782         int                     i, x, y, wx, wy;
1783         unsigned int            mask;
1784
1785         for (i = 0; i < ScreenCount(display); i++)
1786                 if (screens[i].root == root)
1787                         break;
1788
1789         if (XQueryPointer(display, screens[i].root,
1790             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1791                 /* choose a region based on pointer location */
1792                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1793                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1794                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1795                                 break;
1796         }
1797
1798         if (r == NULL)
1799                 r = TAILQ_FIRST(&screens[i].rl);
1800
1801         return (r);
1802 }
1803
1804 struct ws_win *
1805 find_unmanaged_window(Window id)
1806 {
1807         struct ws_win           *win;
1808         int                     i, j;
1809
1810         for (i = 0; i < ScreenCount(display); i++)
1811                 for (j = 0; j < SWM_WS_MAX; j++)
1812                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1813                             entry)
1814                                 if (id == win->id)
1815                                         return (win);
1816         return (NULL);
1817 }
1818
1819 struct ws_win *
1820 find_window(Window id)
1821 {
1822         struct ws_win           *win;
1823         Window                  wrr, wpr, *wcr = NULL;
1824         int                     i, j;
1825         unsigned int            nc;
1826
1827         for (i = 0; i < ScreenCount(display); i++)
1828                 for (j = 0; j < SWM_WS_MAX; j++)
1829                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1830                                 if (id == win->id)
1831                                         return (win);
1832
1833         /* if we were looking for the parent return that window instead */
1834         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1835                 return (NULL);
1836         if (wcr)
1837                 XFree(wcr);
1838
1839         /* ignore not found and root */
1840         if (wpr == 0 || wrr == wpr)
1841                 return (NULL);
1842
1843         /* look for parent */
1844         for (i = 0; i < ScreenCount(display); i++)
1845                 for (j = 0; j < SWM_WS_MAX; j++)
1846                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1847                                 if (wpr == win->id)
1848                                         return (win);
1849
1850         return (NULL);
1851 }
1852
1853 void
1854 spawn(int ws_idx, union arg *args, int close_fd)
1855 {
1856         int                     fd;
1857         char                    *ret = NULL;
1858
1859         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1860
1861         if (display)
1862                 close(ConnectionNumber(display));
1863
1864         setenv("LD_PRELOAD", SWM_LIB, 1);
1865
1866         if (asprintf(&ret, "%d", ws_idx) == -1) {
1867                 perror("_SWM_WS");
1868                 _exit(1);
1869         }
1870         setenv("_SWM_WS", ret, 1);
1871         free(ret);
1872         ret = NULL;
1873
1874         if (asprintf(&ret, "%d", getpid()) == -1) {
1875                 perror("_SWM_PID");
1876                 _exit(1);
1877         }
1878         setenv("_SWM_PID", ret, 1);
1879         free(ret);
1880         ret = NULL;
1881
1882         if (setsid() == -1) {
1883                 perror("setsid");
1884                 _exit(1);
1885         }
1886
1887         if (close_fd) {
1888                 /*
1889                  * close stdin and stdout to prevent interaction between apps
1890                  * and the baraction script
1891                  * leave stderr open to record errors
1892                 */
1893                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1894                         perror("open");
1895                         _exit(1);
1896                 }
1897                 dup2(fd, STDIN_FILENO);
1898                 dup2(fd, STDOUT_FILENO);
1899                 if (fd > 2)
1900                         close(fd);
1901         }
1902
1903         execvp(args->argv[0], args->argv);
1904
1905         perror("execvp");
1906         _exit(1);
1907 }
1908
1909 void
1910 spawnterm(struct swm_region *r, union arg *args)
1911 {
1912         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1913
1914         if (fork() == 0) {
1915                 if (term_width)
1916                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1917                 spawn(r->ws->idx, args, 1);
1918         }
1919 }
1920
1921 void
1922 kill_refs(struct ws_win *win)
1923 {
1924         int                     i, x;
1925         struct swm_region       *r;
1926         struct workspace        *ws;
1927
1928         if (win == NULL)
1929                 return;
1930
1931         for (i = 0; i < ScreenCount(display); i++)
1932                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1933                         for (x = 0; x < SWM_WS_MAX; x++) {
1934                                 ws = &r->s->ws[x];
1935                                 if (win == ws->focus)
1936                                         ws->focus = NULL;
1937                                 if (win == ws->focus_prev)
1938                                         ws->focus_prev = NULL;
1939                         }
1940 }
1941
1942 int
1943 validate_win(struct ws_win *testwin)
1944 {
1945         struct ws_win           *win;
1946         struct workspace        *ws;
1947         struct swm_region       *r;
1948         int                     i, x;
1949
1950         if (testwin == NULL)
1951                 return (0);
1952
1953         for (i = 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                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1958                                         if (win == testwin)
1959                                                 return (0);
1960                         }
1961         return (1);
1962 }
1963
1964 int
1965 validate_ws(struct workspace *testws)
1966 {
1967         struct swm_region       *r;
1968         struct workspace        *ws;
1969         int                     i, x;
1970
1971         /* validate all ws */
1972         for (i = 0; i < ScreenCount(display); i++)
1973                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1974                         for (x = 0; x < SWM_WS_MAX; x++) {
1975                                 ws = &r->s->ws[x];
1976                                 if (ws == testws)
1977                                         return (0);
1978                         }
1979         return (1);
1980 }
1981
1982 void
1983 unfocus_win(struct ws_win *win)
1984 {
1985         XEvent                  cne;
1986         Window                  none = None;
1987
1988         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1989
1990         if (win == NULL)
1991                 return;
1992         if (win->ws == NULL)
1993                 return;
1994
1995         if (validate_ws(win->ws))
1996                 return; /* XXX this gets hit with thunderbird, needs fixing */
1997
1998         if (win->ws->r == NULL)
1999                 return;
2000
2001         if (validate_win(win)) {
2002                 kill_refs(win);
2003                 return;
2004         }
2005
2006         if (win->ws->focus == win) {
2007                 win->ws->focus = NULL;
2008                 win->ws->focus_prev = win;
2009         }
2010
2011         if (validate_win(win->ws->focus)) {
2012                 kill_refs(win->ws->focus);
2013                 win->ws->focus = NULL;
2014         }
2015         if (validate_win(win->ws->focus_prev)) {
2016                 kill_refs(win->ws->focus_prev);
2017                 win->ws->focus_prev = NULL;
2018         }
2019
2020         /* drain all previous unfocus events */
2021         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2022                 ;
2023
2024         grabbuttons(win, 0);
2025         XSetWindowBorder(display, win->id,
2026             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2027
2028         XChangeProperty(display, win->s->root,
2029             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2030             PropModeReplace, (unsigned char *)&none,1);
2031 }
2032
2033 void
2034 unfocus_all(void)
2035 {
2036         struct ws_win           *win;
2037         int                     i, j;
2038
2039         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2040
2041         for (i = 0; i < ScreenCount(display); i++)
2042                 for (j = 0; j < SWM_WS_MAX; j++)
2043                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2044                                 unfocus_win(win);
2045 }
2046
2047 void
2048 focus_win(struct ws_win *win)
2049 {
2050         XEvent                  cne;
2051         Window                  cur_focus;
2052         int                     rr;
2053         struct ws_win           *cfw = NULL;
2054
2055
2056         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
2057
2058         if (win == NULL)
2059                 return;
2060         if (win->ws == NULL)
2061                 return;
2062
2063         if (validate_ws(win->ws))
2064                 return; /* XXX this gets hit with thunderbird, needs fixing */
2065
2066         if (validate_win(win)) {
2067                 kill_refs(win);
2068                 return;
2069         }
2070
2071         if (validate_win(win)) {
2072                 kill_refs(win);
2073                 return;
2074         }
2075
2076         XGetInputFocus(display, &cur_focus, &rr);
2077         if ((cfw = find_window(cur_focus)) != NULL)
2078                 unfocus_win(cfw);
2079         else {
2080                 /* use larger hammer since the window was killed somehow */
2081                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2082                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2083                                 XSetWindowBorder(display, cfw->id,
2084                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2085         }
2086
2087         win->ws->focus = win;
2088
2089         if (win->ws->r != NULL) {
2090                 /* drain all previous focus events */
2091                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2092                         ;
2093
2094                 if (win->java == 0)
2095                         XSetInputFocus(display, win->id,
2096                             RevertToParent, CurrentTime);
2097                 grabbuttons(win, 1);
2098                 XSetWindowBorder(display, win->id,
2099                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2100                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2101                     win->ws->always_raise)
2102                         XMapRaised(display, win->id);
2103
2104                 XChangeProperty(display, win->s->root,
2105                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2106                     PropModeReplace, (unsigned char *)&win->id,1);
2107         }
2108
2109         if (window_name_enabled)
2110                 bar_update();
2111 }
2112
2113 void
2114 switchws(struct swm_region *r, union arg *args)
2115 {
2116         int                     wsid = args->id, unmap_old = 0;
2117         struct swm_region       *this_r, *other_r;
2118         struct ws_win           *win;
2119         struct workspace        *new_ws, *old_ws;
2120         union arg               a;
2121
2122         if (!(r && r->s))
2123                 return;
2124
2125         this_r = r;
2126         old_ws = this_r->ws;
2127         new_ws = &this_r->s->ws[wsid];
2128
2129         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
2130             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
2131             old_ws->idx, wsid);
2132
2133         if (new_ws == NULL || old_ws == NULL)
2134                 return;
2135         if (new_ws == old_ws)
2136                 return;
2137
2138         other_r = new_ws->r;
2139         if (other_r == NULL) {
2140                 /* the other workspace is hidden, hide this one */
2141                 old_ws->r = NULL;
2142                 unmap_old = 1;
2143         } else {
2144                 /* the other ws is visible in another region, exchange them */
2145                 other_r->ws_prior = new_ws;
2146                 other_r->ws = old_ws;
2147                 old_ws->r = other_r;
2148         }
2149         this_r->ws_prior = old_ws;
2150         this_r->ws = new_ws;
2151         new_ws->r = this_r;
2152
2153         /* this is needed so that we can click on a window after a restart */
2154         unfocus_all();
2155
2156         stack();
2157         a.id = SWM_ARG_ID_FOCUSCUR;
2158         focus(new_ws->r, &a);
2159
2160         bar_update();
2161
2162         /* unmap old windows */
2163         if (unmap_old)
2164                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2165                         unmap_window(win);
2166
2167         if (focus_mode == SWM_FOCUS_DEFAULT)
2168                 drain_enter_notify();
2169 }
2170
2171 void
2172 cyclews(struct swm_region *r, union arg *args)
2173 {
2174         union                   arg a;
2175         struct swm_screen       *s = r->s;
2176         int                     cycle_all = 0;
2177
2178         DNPRINTF(SWM_D_WS, "cyclews id %d "
2179             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2180             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2181
2182         a.id = r->ws->idx;
2183         do {
2184                 switch (args->id) {
2185                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2186                         cycle_all = 1;
2187                         /* FALLTHROUGH */
2188                 case SWM_ARG_ID_CYCLEWS_UP:
2189                         if (a.id < SWM_WS_MAX - 1)
2190                                 a.id++;
2191                         else
2192                                 a.id = 0;
2193                         break;
2194                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2195                         cycle_all = 1;
2196                         /* FALLTHROUGH */
2197                 case SWM_ARG_ID_CYCLEWS_DOWN:
2198                         if (a.id > 0)
2199                                 a.id--;
2200                         else
2201                                 a.id = SWM_WS_MAX - 1;
2202                         break;
2203                 default:
2204                         return;
2205                 };
2206
2207                 if (!cycle_all &&
2208                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2209                         continue;
2210                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2211                         continue;
2212
2213                 switchws(r, &a);
2214         } while (a.id != r->ws->idx);
2215 }
2216
2217 void
2218 priorws(struct swm_region *r, union arg *args)
2219 {
2220         union arg               a;
2221
2222         DNPRINTF(SWM_D_WS, "priorws id %d "
2223             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2224             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2225
2226         if (r->ws_prior == NULL)
2227                 return;
2228
2229         a.id = r->ws_prior->idx;
2230         switchws(r, &a);
2231 }
2232
2233 void
2234 cyclescr(struct swm_region *r, union arg *args)
2235 {
2236         struct swm_region       *rr = NULL;
2237         union arg               a;
2238         int                     i, x, y;
2239
2240         /* do nothing if we don't have more than one screen */
2241         if (!(ScreenCount(display) > 1 || outputs > 1))
2242                 return;
2243
2244         i = r->s->idx;
2245         switch (args->id) {
2246         case SWM_ARG_ID_CYCLESC_UP:
2247                 rr = TAILQ_NEXT(r, entry);
2248                 if (rr == NULL)
2249                         rr = TAILQ_FIRST(&screens[i].rl);
2250                 break;
2251         case SWM_ARG_ID_CYCLESC_DOWN:
2252                 rr = TAILQ_PREV(r, swm_region_list, entry);
2253                 if (rr == NULL)
2254                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2255                 break;
2256         default:
2257                 return;
2258         };
2259         if (rr == NULL)
2260                 return;
2261
2262         /* move mouse to region */
2263         x = rr->g.x + 1;
2264         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2265         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2266
2267         a.id = SWM_ARG_ID_FOCUSCUR;
2268         focus(rr, &a);
2269
2270         if (rr->ws->focus) {
2271                 /* move to focus window */
2272                 x = rr->ws->focus->g.x + 1;
2273                 y = rr->ws->focus->g.y + 1;
2274                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2275         }
2276 }
2277
2278 void
2279 sort_windows(struct ws_win_list *wl)
2280 {
2281         struct ws_win           *win, *parent, *nxt;
2282
2283         if (wl == NULL)
2284                 return;
2285
2286         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2287                 nxt = TAILQ_NEXT(win, entry);
2288                 if (win->transient) {
2289                         parent = find_window(win->transient);
2290                         if (parent == NULL) {
2291                                 fprintf(stderr, "not possible bug\n");
2292                                 continue;
2293                         }
2294                         TAILQ_REMOVE(wl, win, entry);
2295                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2296                 }
2297         }
2298
2299 }
2300
2301 void
2302 swapwin(struct swm_region *r, union arg *args)
2303 {
2304         struct ws_win           *target, *source;
2305         struct ws_win           *cur_focus;
2306         struct ws_win_list      *wl;
2307
2308
2309         DNPRINTF(SWM_D_WS, "swapwin id %d "
2310             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2311             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2312
2313         cur_focus = r->ws->focus;
2314         if (cur_focus == NULL)
2315                 return;
2316
2317         source = cur_focus;
2318         wl = &source->ws->winlist;
2319
2320         switch (args->id) {
2321         case SWM_ARG_ID_SWAPPREV:
2322                 if (source->transient)
2323                         source = find_window(source->transient);
2324                 target = TAILQ_PREV(source, ws_win_list, entry);
2325                 if (target && target->transient)
2326                         target = find_window(target->transient);
2327                 TAILQ_REMOVE(wl, source, entry);
2328                 if (target == NULL)
2329                         TAILQ_INSERT_TAIL(wl, source, entry);
2330                 else
2331                         TAILQ_INSERT_BEFORE(target, source, entry);
2332                 break;
2333         case SWM_ARG_ID_SWAPNEXT:
2334                 target = TAILQ_NEXT(source, entry);
2335                 /* move the parent and let the sort handle the move */
2336                 if (source->transient)
2337                         source = find_window(source->transient);
2338                 TAILQ_REMOVE(wl, source, entry);
2339                 if (target == NULL)
2340                         TAILQ_INSERT_HEAD(wl, source, entry);
2341                 else
2342                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2343                 break;
2344         case SWM_ARG_ID_SWAPMAIN:
2345                 target = TAILQ_FIRST(wl);
2346                 if (target == source) {
2347                         if (source->ws->focus_prev != NULL &&
2348                             source->ws->focus_prev != target)
2349
2350                                 source = source->ws->focus_prev;
2351                         else
2352                                 return;
2353                 }
2354                 if (target == NULL || source == NULL)
2355                         return;
2356                 source->ws->focus_prev = target;
2357                 TAILQ_REMOVE(wl, target, entry);
2358                 TAILQ_INSERT_BEFORE(source, target, entry);
2359                 TAILQ_REMOVE(wl, source, entry);
2360                 TAILQ_INSERT_HEAD(wl, source, entry);
2361                 break;
2362         case SWM_ARG_ID_MOVELAST:
2363                 TAILQ_REMOVE(wl, source, entry);
2364                 TAILQ_INSERT_TAIL(wl, source, entry);
2365                 break;
2366         default:
2367                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2368                 return;
2369         }
2370
2371         sort_windows(wl);
2372
2373         stack();
2374 }
2375
2376 void
2377 focus_prev(struct ws_win *win)
2378 {
2379         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2380         struct ws_win           *cur_focus = NULL;
2381         struct ws_win_list      *wl = NULL;
2382         struct workspace        *ws = NULL;
2383
2384         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2385
2386         if (!(win && win->ws))
2387                 return;
2388
2389         ws = win->ws;
2390         wl = &ws->winlist;
2391         cur_focus = ws->focus;
2392         winlostfocus = cur_focus;
2393
2394         /* pickle, just focus on whatever */
2395         if (cur_focus == NULL) {
2396                 /* use prev_focus if valid */
2397                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2398                     find_window(WINID(ws->focus_prev)))
2399                         winfocus = ws->focus_prev;
2400                 if (winfocus == NULL)
2401                         winfocus = TAILQ_FIRST(wl);
2402                 goto done;
2403         }
2404
2405         /* if transient focus on parent */
2406         if (cur_focus->transient) {
2407                 winfocus = find_window(cur_focus->transient);
2408                 goto done;
2409         }
2410
2411         /* if in max_stack try harder */
2412         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2413             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2414                 if (cur_focus != ws->focus_prev)
2415                         winfocus = ws->focus_prev;
2416                 else if (cur_focus != ws->focus)
2417                         winfocus = ws->focus;
2418                 else
2419                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2420                 if (winfocus)
2421                         goto done;
2422         }
2423
2424         if (cur_focus == win)
2425                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2426         if (winfocus == NULL)
2427                 winfocus = TAILQ_LAST(wl, ws_win_list);
2428         if (winfocus == NULL || winfocus == win)
2429                 winfocus = TAILQ_NEXT(cur_focus, entry);
2430 done:
2431         if (winfocus == winlostfocus || winfocus == NULL) {
2432                 /* update the bar so that title/class/name will be cleared. */
2433                 if (window_name_enabled || title_name_enabled || title_class_enabled)
2434                         bar_update();
2435
2436                 return;
2437         }
2438
2439         focus_magic(winfocus);
2440 }
2441
2442 void
2443 focus(struct swm_region *r, union arg *args)
2444 {
2445         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2446         struct ws_win           *cur_focus = NULL;
2447         struct ws_win_list      *wl = NULL;
2448         struct workspace        *ws = NULL;
2449         int                     all_iconics;
2450
2451         if (!(r && r->ws))
2452                 return;
2453
2454         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2455
2456         /* treat FOCUS_CUR special */
2457         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2458                 if (r->ws->focus && r->ws->focus->iconic == 0)
2459                         winfocus = r->ws->focus;
2460                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2461                         winfocus = r->ws->focus_prev;
2462                 else
2463                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2464                                 if (winfocus->iconic == 0)
2465                                         break;
2466
2467                 focus_magic(winfocus);
2468                 return;
2469         }
2470
2471         if ((cur_focus = r->ws->focus) == NULL)
2472                 return;
2473         ws = r->ws;
2474         wl = &ws->winlist;
2475         if (TAILQ_EMPTY(wl))
2476                 return;
2477         /* make sure there is at least one uniconified window */
2478         all_iconics = 1;
2479         TAILQ_FOREACH(winfocus, wl, entry)
2480                 if (winfocus->iconic == 0) {
2481                         all_iconics = 0;
2482                         break;
2483                 }
2484         if (all_iconics)
2485                 return;
2486
2487         winlostfocus = cur_focus;
2488
2489         switch (args->id) {
2490         case SWM_ARG_ID_FOCUSPREV:
2491                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2492                 if (head == NULL)
2493                         head = TAILQ_LAST(wl, ws_win_list);
2494                 winfocus = head;
2495                 if (WINID(winfocus) == cur_focus->transient) {
2496                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2497                         if (head == NULL)
2498                                 head = TAILQ_LAST(wl, ws_win_list);
2499                         winfocus = head;
2500                 }
2501
2502                 /* skip iconics */
2503                 if (winfocus && winfocus->iconic) {
2504                         while (winfocus != cur_focus) {
2505                                 if (winfocus == NULL)
2506                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2507                                 if (winfocus->iconic == 0)
2508                                         break;
2509                                 winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
2510                         }
2511                 }
2512                 break;
2513
2514         case SWM_ARG_ID_FOCUSNEXT:
2515                 head = TAILQ_NEXT(cur_focus, entry);
2516                 if (head == NULL)
2517                         head = TAILQ_FIRST(wl);
2518                 winfocus = head;
2519
2520                 /* skip iconics */
2521                 if (winfocus && winfocus->iconic) {
2522                         while (winfocus != cur_focus) {
2523                                 if (winfocus == NULL)
2524                                         winfocus = TAILQ_FIRST(wl);
2525                                 if (winfocus->iconic == 0)
2526                                         break;
2527                                 winfocus = TAILQ_NEXT(winfocus, entry);
2528                         }
2529                 }
2530                 break;
2531
2532         case SWM_ARG_ID_FOCUSMAIN:
2533                 winfocus = TAILQ_FIRST(wl);
2534                 if (winfocus == cur_focus)
2535                         winfocus = cur_focus->ws->focus_prev;
2536                 break;
2537
2538         default:
2539                 return;
2540         }
2541         if (winfocus == winlostfocus || winfocus == NULL) {
2542                 /* update the bar so that title/class/name will be cleared. */
2543                 if (window_name_enabled || title_name_enabled || title_class_enabled)
2544                         bar_update();
2545
2546                 return;
2547         }
2548
2549         focus_magic(winfocus);
2550 }
2551
2552 void
2553 cycle_layout(struct swm_region *r, union arg *args)
2554 {
2555         struct workspace        *ws = r->ws;
2556         union arg               a;
2557
2558         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2559
2560         ws->cur_layout++;
2561         if (ws->cur_layout->l_stack == NULL)
2562                 ws->cur_layout = &layouts[0];
2563
2564         stack();
2565         if (focus_mode == SWM_FOCUS_DEFAULT)
2566                 drain_enter_notify();
2567         a.id = SWM_ARG_ID_FOCUSCUR;
2568         focus(r, &a);
2569         bar_update();
2570 }
2571
2572 void
2573 stack_config(struct swm_region *r, union arg *args)
2574 {
2575         struct workspace        *ws = r->ws;
2576
2577         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2578             args->id, ws->idx);
2579
2580         if (ws->cur_layout->l_config != NULL)
2581                 ws->cur_layout->l_config(ws, args->id);
2582
2583         if (args->id != SWM_ARG_ID_STACKINIT)
2584                 stack();
2585         bar_update();
2586 }
2587
2588 void
2589 stack(void) {
2590         struct swm_geometry     g;
2591         struct swm_region       *r;
2592         int                     i, j;
2593
2594         DNPRINTF(SWM_D_STACK, "stack\n");
2595
2596         for (i = 0; i < ScreenCount(display); i++) {
2597                 j = 0;
2598                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2599                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2600                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2601
2602                         /* start with screen geometry, adjust for bar */
2603                         g = r->g;
2604                         g.w -= 2 * border_width;
2605                         g.h -= 2 * border_width;
2606                         if (bar_enabled) {
2607                                 if (!bar_at_bottom)
2608                                         g.y += bar_height;
2609                                 g.h -= bar_height;
2610                         }
2611                         r->ws->cur_layout->l_stack(r->ws, &g);
2612                         r->ws->cur_layout->l_string(r->ws);
2613                         /* save r so we can track region changes */
2614                         r->ws->old_r = r;
2615                 }
2616         }
2617         if (font_adjusted)
2618                 font_adjusted--;
2619
2620         if (focus_mode == SWM_FOCUS_DEFAULT)
2621                 drain_enter_notify();
2622 }
2623
2624 void
2625 store_float_geom(struct ws_win *win, struct swm_region *r)
2626 {
2627         /* retain window geom and region geom */
2628         win->g_float.x = win->g.x;
2629         win->g_float.y = win->g.y;
2630         win->g_float.w = win->g.w;
2631         win->g_float.h = win->g.h;
2632         win->rg_float.x = r->g.x;
2633         win->rg_float.y = r->g.y;
2634         win->rg_float.w = r->g.w;
2635         win->rg_float.h = r->g.h;
2636         win->g_floatvalid = 1;
2637 }
2638
2639 void
2640 stack_floater(struct ws_win *win, struct swm_region *r)
2641 {
2642         unsigned int            mask;
2643         XWindowChanges          wc;
2644
2645         if (win == NULL)
2646                 return;
2647
2648         bzero(&wc, sizeof wc);
2649         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2650
2651         /*
2652          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2653          * geom on ws switches or return from max mode
2654          */
2655
2656         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2657             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2658                 /*
2659                  * use stored g and rg to set relative position and size
2660                  * as in old region or before max stack mode
2661                  */
2662                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2663                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2664                 win->g.w = win->g_float.w;
2665                 win->g.h = win->g_float.h;
2666                 win->g_floatvalid = 0;
2667         }
2668
2669         win->floatmaxed = 0;
2670
2671         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2672             (win->g.h >= HEIGHT(r)))
2673                 wc.border_width = 0;
2674         else
2675                 wc.border_width = border_width;
2676         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2677                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2678                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2679         }
2680
2681         if (!win->manual) {
2682                 /*
2683                  * floaters and transients are auto-centred unless moved
2684                  * or resized
2685                  */
2686                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2687                     2 - wc.border_width;
2688                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2689                     2 - wc.border_width;
2690         }
2691
2692         /* win can be outside r if new r smaller than old r */
2693         /* Ensure top left corner inside r (move probs otherwise) */
2694         if (win->g.x < r->g.x - wc.border_width)
2695                 win->g.x = r->g.x - wc.border_width;
2696         if (win->g.x > r->g.x + r->g.w - 1)
2697                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2698                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2699         if (win->g.y < r->g.y - wc.border_width)
2700                 win->g.y = r->g.y - wc.border_width;
2701         if (win->g.y > r->g.y + r->g.h - 1)
2702                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2703                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2704
2705         wc.x = win->g.x;
2706         wc.y = win->g.y;
2707         wc.width = win->g.w;
2708         wc.height = win->g.h;
2709
2710         /*
2711          * Retain floater and transient geometry for correct positioning
2712          * when ws changes region
2713          */
2714         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2715                 store_float_geom(win, r);
2716
2717         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2718             win->id, wc.x, wc.y, wc.width, wc.height);
2719
2720         XConfigureWindow(display, win->id, mask, &wc);
2721 }
2722
2723 /*
2724  * Send keystrokes to terminal to decrease/increase the font size as the
2725  * window size changes.
2726  */
2727 void
2728 adjust_font(struct ws_win *win)
2729 {
2730         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2731             win->floating || win->transient)
2732                 return;
2733
2734         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2735             win->g.w / win->sh.width_inc < term_width &&
2736             win->font_steps < SWM_MAX_FONT_STEPS) {
2737                 win->font_size_boundary[win->font_steps] =
2738                     (win->sh.width_inc * term_width) + win->sh.base_width;
2739                 win->font_steps++;
2740                 font_adjusted++;
2741                 win->last_inc = win->sh.width_inc;
2742                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2743         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2744             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2745                 win->font_steps--;
2746                 font_adjusted++;
2747                 win->last_inc = win->sh.width_inc;
2748                 fake_keypress(win, XK_KP_Add, ShiftMask);
2749         }
2750 }
2751
2752 #define SWAPXY(g)       do {                            \
2753         int tmp;                                        \
2754         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2755         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2756 } while (0)
2757 void
2758 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2759 {
2760         XWindowChanges          wc;
2761         XWindowAttributes       wa;
2762         struct swm_geometry     win_g, r_g = *g;
2763         struct ws_win           *win, *fs_win = 0;
2764         int                     i, j, s, stacks;
2765         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2766         int                     hrh, extra = 0, h_slice, last_h = 0;
2767         int                     split, colno, winno, mwin, msize, mscale;
2768         int                     remain, missing, v_slice, reconfigure;
2769         unsigned int            mask;
2770
2771         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2772             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2773
2774         winno = count_win(ws, 0);
2775         if (winno == 0 && count_win(ws, 1) == 0)
2776                 return;
2777
2778         TAILQ_FOREACH(win, &ws->winlist, entry)
2779                 if (win->transient == 0 && win->floating == 0
2780                     && win->iconic == 0)
2781                         break;
2782
2783         if (win == NULL)
2784                 goto notiles;
2785
2786         if (rot) {
2787                 w_inc = win->sh.width_inc;
2788                 w_base = win->sh.base_width;
2789                 mwin = ws->l_state.horizontal_mwin;
2790                 mscale = ws->l_state.horizontal_msize;
2791                 stacks = ws->l_state.horizontal_stacks;
2792                 SWAPXY(&r_g);
2793         } else {
2794                 w_inc = win->sh.height_inc;
2795                 w_base = win->sh.base_height;
2796                 mwin = ws->l_state.vertical_mwin;
2797                 mscale = ws->l_state.vertical_msize;
2798                 stacks = ws->l_state.vertical_stacks;
2799         }
2800         win_g = r_g;
2801
2802         if (stacks > winno - mwin)
2803                 stacks = winno - mwin;
2804         if (stacks < 1)
2805                 stacks = 1;
2806
2807         h_slice = r_g.h / SWM_H_SLICE;
2808         if (mwin && winno > mwin) {
2809                 v_slice = r_g.w / SWM_V_SLICE;
2810
2811                 split = mwin;
2812                 colno = split;
2813                 win_g.w = v_slice * mscale;
2814
2815                 if (w_inc > 1 && w_inc < v_slice) {
2816                         /* adjust for window's requested size increment */
2817                         remain = (win_g.w - w_base) % w_inc;
2818                         missing = w_inc - remain;
2819                         win_g.w -= remain;
2820                         extra += remain;
2821                 }
2822
2823                 msize = win_g.w;
2824                 if (flip)
2825                         win_g.x += r_g.w - msize;
2826         } else {
2827                 msize = -2;
2828                 colno = split = winno / stacks;
2829                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2830                     2 * border_width) / stacks);
2831         }
2832         hrh = r_g.h / colno;
2833         extra = r_g.h - (colno * hrh);
2834         win_g.h = hrh - 2 * border_width;
2835
2836         /*  stack all the tiled windows */
2837         i = j = 0, s = stacks;
2838         TAILQ_FOREACH(win, &ws->winlist, entry) {
2839                 if (win->transient != 0 || win->floating != 0)
2840                         continue;
2841                 if (win->iconic != 0)
2842                         continue;
2843
2844                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2845                         fs_win = win;
2846                         continue;
2847                 }
2848
2849                 if (split && i == split) {
2850                         colno = (winno - mwin) / stacks;
2851                         if (s <= (winno - mwin) % stacks)
2852                                 colno++;
2853                         split = split + colno;
2854                         hrh = (r_g.h / colno);
2855                         extra = r_g.h - (colno * hrh);
2856                         if (flip)
2857                                 win_g.x = r_g.x;
2858                         else
2859                                 win_g.x += win_g.w + 2 * border_width;
2860                         win_g.w = (r_g.w - msize -
2861                             (stacks * 2 * border_width)) / stacks;
2862                         if (s == 1)
2863                                 win_g.w += (r_g.w - msize -
2864                                     (stacks * 2 * border_width)) % stacks;
2865                         s--;
2866                         j = 0;
2867                 }
2868                 win_g.h = hrh - 2 * border_width;
2869                 if (rot) {
2870                         h_inc = win->sh.width_inc;
2871                         h_base = win->sh.base_width;
2872                 } else {
2873                         h_inc = win->sh.height_inc;
2874                         h_base = win->sh.base_height;
2875                 }
2876                 if (j == colno - 1) {
2877                         win_g.h = hrh + extra;
2878                 } else if (h_inc > 1 && h_inc < h_slice) {
2879                         /* adjust for window's requested size increment */
2880                         remain = (win_g.h - h_base) % h_inc;
2881                         missing = h_inc - remain;
2882
2883                         if (missing <= extra || j == 0) {
2884                                 extra -= missing;
2885                                 win_g.h += missing;
2886                         } else {
2887                                 win_g.h -= remain;
2888                                 extra += remain;
2889                         }
2890                 }
2891
2892                 if (j == 0)
2893                         win_g.y = r_g.y;
2894                 else
2895                         win_g.y += last_h + 2 * border_width;
2896
2897                 bzero(&wc, sizeof wc);
2898                 if (disable_border && bar_enabled == 0 && winno == 1){
2899                         wc.border_width = 0;
2900                         win_g.w += 2 * border_width;
2901                         win_g.h += 2 * border_width;
2902                 } else
2903                         wc.border_width = border_width;
2904                 reconfigure = 0;
2905                 if (rot) {
2906                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2907                             win->g.w != win_g.h || win->g.h != win_g.w) {
2908                                 reconfigure = 1;
2909                                 win->g.x = wc.x = win_g.y;
2910                                 win->g.y = wc.y = win_g.x;
2911                                 win->g.w = wc.width = win_g.h;
2912                                 win->g.h = wc.height = win_g.w;
2913                         }
2914                 } else {
2915                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2916                             win->g.w != win_g.w || win->g.h != win_g.h) {
2917                                 reconfigure = 1;
2918                                 win->g.x = wc.x = win_g.x;
2919                                 win->g.y = wc.y = win_g.y;
2920                                 win->g.w = wc.width = win_g.w;
2921                                 win->g.h = wc.height = win_g.h;
2922                         }
2923                 }
2924                 if (reconfigure) {
2925                         adjust_font(win);
2926                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2927                         XConfigureWindow(display, win->id, mask, &wc);
2928                 }
2929
2930                 if (XGetWindowAttributes(display, win->id, &wa))
2931                         if (wa.map_state == IsUnmapped)
2932                                 XMapRaised(display, win->id);
2933
2934                 last_h = win_g.h;
2935                 i++;
2936                 j++;
2937         }
2938
2939 notiles:
2940         /* now, stack all the floaters and transients */
2941         TAILQ_FOREACH(win, &ws->winlist, entry) {
2942                 if (win->transient == 0 && win->floating == 0)
2943                         continue;
2944                 if (win->iconic == 1)
2945                         continue;
2946                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2947                         fs_win = win;
2948                         continue;
2949                 }
2950
2951                 stack_floater(win, ws->r);
2952                 XMapRaised(display, win->id);
2953         }
2954
2955         if (fs_win) {
2956                 stack_floater(fs_win, ws->r);
2957                 XMapRaised(display, fs_win->id);
2958         }
2959 }
2960
2961 void
2962 vertical_config(struct workspace *ws, int id)
2963 {
2964         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2965
2966         switch (id) {
2967         case SWM_ARG_ID_STACKRESET:
2968         case SWM_ARG_ID_STACKINIT:
2969                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2970                 ws->l_state.vertical_mwin = 1;
2971                 ws->l_state.vertical_stacks = 1;
2972                 break;
2973         case SWM_ARG_ID_MASTERSHRINK:
2974                 if (ws->l_state.vertical_msize > 1)
2975                         ws->l_state.vertical_msize--;
2976                 break;
2977         case SWM_ARG_ID_MASTERGROW:
2978                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2979                         ws->l_state.vertical_msize++;
2980                 break;
2981         case SWM_ARG_ID_MASTERADD:
2982                 ws->l_state.vertical_mwin++;
2983                 break;
2984         case SWM_ARG_ID_MASTERDEL:
2985                 if (ws->l_state.vertical_mwin > 0)
2986                         ws->l_state.vertical_mwin--;
2987                 break;
2988         case SWM_ARG_ID_STACKINC:
2989                 ws->l_state.vertical_stacks++;
2990                 break;
2991         case SWM_ARG_ID_STACKDEC:
2992                 if (ws->l_state.vertical_stacks > 1)
2993                         ws->l_state.vertical_stacks--;
2994                 break;
2995         default:
2996                 return;
2997         }
2998 }
2999
3000 void
3001 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3002 {
3003         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3004
3005         stack_master(ws, g, 0, 0);
3006 }
3007
3008 void
3009 horizontal_config(struct workspace *ws, int id)
3010 {
3011         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3012
3013         switch (id) {
3014         case SWM_ARG_ID_STACKRESET:
3015         case SWM_ARG_ID_STACKINIT:
3016                 ws->l_state.horizontal_mwin = 1;
3017                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3018                 ws->l_state.horizontal_stacks = 1;
3019                 break;
3020         case SWM_ARG_ID_MASTERSHRINK:
3021                 if (ws->l_state.horizontal_msize > 1)
3022                         ws->l_state.horizontal_msize--;
3023                 break;
3024         case SWM_ARG_ID_MASTERGROW:
3025                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3026                         ws->l_state.horizontal_msize++;
3027                 break;
3028         case SWM_ARG_ID_MASTERADD:
3029                 ws->l_state.horizontal_mwin++;
3030                 break;
3031         case SWM_ARG_ID_MASTERDEL:
3032                 if (ws->l_state.horizontal_mwin > 0)
3033                         ws->l_state.horizontal_mwin--;
3034                 break;
3035         case SWM_ARG_ID_STACKINC:
3036                 ws->l_state.horizontal_stacks++;
3037                 break;
3038         case SWM_ARG_ID_STACKDEC:
3039                 if (ws->l_state.horizontal_stacks > 1)
3040                         ws->l_state.horizontal_stacks--;
3041                 break;
3042         default:
3043                 return;
3044         }
3045 }
3046
3047 void
3048 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3049 {
3050         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3051
3052         stack_master(ws, g, 1, 0);
3053 }
3054
3055 /* fullscreen view */
3056 void
3057 max_stack(struct workspace *ws, struct swm_geometry *g)
3058 {
3059         XWindowChanges          wc;
3060         struct swm_geometry     gg = *g;
3061         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3062         unsigned int            mask;
3063         int                     winno;
3064
3065         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3066
3067         if (ws == NULL)
3068                 return;
3069
3070         winno = count_win(ws, 0);
3071         if (winno == 0 && count_win(ws, 1) == 0)
3072                 return;
3073
3074         TAILQ_FOREACH(win, &ws->winlist, entry) {
3075                 if (win->transient) {
3076                         wintrans = win;
3077                         parent = find_window(win->transient);
3078                         continue;
3079                 }
3080
3081                 if (win->floating && win->floatmaxed == 0 ) {
3082                         /*
3083                          * retain geometry for retrieval on exit from
3084                          * max_stack mode
3085                          */
3086                         store_float_geom(win, ws->r);
3087                         win->floatmaxed = 1;
3088                 }
3089
3090                 /* only reconfigure if necessary */
3091                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
3092                     win->g.h != gg.h) {
3093                         bzero(&wc, sizeof wc);
3094                         win->g.x = wc.x = gg.x;
3095                         win->g.y = wc.y = gg.y;
3096                         if (bar_enabled){
3097                                 wc.border_width = border_width;
3098                                 win->g.w = wc.width = gg.w;
3099                                 win->g.h = wc.height = gg.h;
3100                         } else {
3101                                 wc.border_width = 0;
3102                                 win->g.w = wc.width = gg.w + 2 * border_width;
3103                                 win->g.h = wc.height = gg.h + 2 * border_width;
3104                         }
3105                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3106                         XConfigureWindow(display, win->id, mask, &wc);
3107                 }
3108                 /* unmap only if we don't have multi screen */
3109                 if (win != ws->focus)
3110                         if (!(ScreenCount(display) > 1 || outputs > 1))
3111                                 unmap_window(win);
3112         }
3113
3114         /* put the last transient on top */
3115         if (wintrans) {
3116                 if (parent)
3117                         XMapRaised(display, parent->id);
3118                 stack_floater(wintrans, ws->r);
3119                 focus_magic(wintrans);
3120         }
3121 }
3122
3123 void
3124 send_to_ws(struct swm_region *r, union arg *args)
3125 {
3126         int                     wsid = args->id;
3127         struct ws_win           *win = NULL, *parent;
3128         struct workspace        *ws, *nws;
3129         Atom                    ws_idx_atom = 0;
3130         unsigned char           ws_idx_str[SWM_PROPLEN];
3131         union arg               a;
3132
3133         if (r && r->ws && r->ws->focus)
3134                 win = r->ws->focus;
3135         else
3136                 return;
3137         if (win == NULL)
3138                 return;
3139         if (win->ws->idx == wsid)
3140                 return;
3141
3142         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
3143
3144         ws = win->ws;
3145         nws = &win->s->ws[wsid];
3146
3147         a.id = SWM_ARG_ID_FOCUSPREV;
3148         focus(r, &a);
3149         if (win->transient) {
3150                 parent = find_window(win->transient);
3151                 if (parent) {
3152                         unmap_window(parent);
3153                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3154                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3155                         parent->ws = nws;
3156                 }
3157         }
3158         unmap_window(win);
3159         TAILQ_REMOVE(&ws->winlist, win, entry);
3160         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3161         if (TAILQ_EMPTY(&ws->winlist))
3162                 r->ws->focus = NULL;
3163         win->ws = nws;
3164
3165         /* Try to update the window's workspace property */
3166         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3167         if (ws_idx_atom &&
3168             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3169                 SWM_PROPLEN) {
3170                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3171                     ws_idx_str);
3172                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3173                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3174         }
3175
3176         stack();
3177 }
3178
3179 void
3180 pressbutton(struct swm_region *r, union arg *args)
3181 {
3182         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3183         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3184 }
3185
3186 void
3187 raise_toggle(struct swm_region *r, union arg *args)
3188 {
3189         if (r && r->ws == NULL)
3190                 return;
3191
3192         r->ws->always_raise = !r->ws->always_raise;
3193
3194         /* bring floaters back to top */
3195         if (r->ws->always_raise == 0)
3196                 stack();
3197 }
3198
3199 void
3200 iconify(struct swm_region *r, union arg *args)
3201 {
3202         union arg a;
3203
3204         if (r->ws->focus == NULL)
3205                 return;
3206         unmap_window(r->ws->focus);
3207         update_iconic(r->ws->focus, 1);
3208         stack();
3209         if (focus_mode == SWM_FOCUS_DEFAULT)
3210                 drain_enter_notify();
3211         r->ws->focus = NULL;
3212         a.id = SWM_ARG_ID_FOCUSCUR;
3213         focus(r, &a);
3214 }
3215
3216 unsigned char *
3217 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3218     unsigned long *slen)
3219 {
3220         int                     status, retfmt;
3221         unsigned long           nitems, nbytes, nextra;
3222         unsigned char           *prop = NULL;
3223         Atom                    rettype;
3224
3225         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3226             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3227         if (status != Success)
3228                 return (NULL);
3229         XFree(prop);
3230
3231         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3232             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3233         if (status != Success) {
3234                 XFree(prop);
3235                 return (NULL);
3236         }
3237         if (rettype != stype) {
3238                 XFree(prop);
3239                 return (NULL);
3240         }
3241         *slen = nitems;
3242         return (prop);
3243 }
3244
3245 void
3246 uniconify(struct swm_region *r, union arg *args)
3247 {
3248         struct ws_win           *win;
3249         FILE                    *lfile;
3250         unsigned char           *name;
3251         int                     count = 0;
3252         unsigned long           len;
3253
3254         DNPRINTF(SWM_D_MISC, "uniconify\n");
3255
3256         if (r && r->ws == NULL)
3257                 return;
3258
3259         /* make sure we have anything to uniconify */
3260         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3261                 if (win->ws == NULL)
3262                         continue; /* should never happen */
3263                 if (win->iconic == 0)
3264                         continue;
3265                 count++;
3266         }
3267         if (count == 0)
3268                 return;
3269
3270         search_r = r;
3271         search_resp_action = SWM_SEARCH_UNICONIFY;
3272
3273         spawn_select(r, args, "search", &searchpid);
3274
3275         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3276                 return;
3277
3278         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3279                 if (win->ws == NULL)
3280                         continue; /* should never happen */
3281                 if (win->iconic == 0)
3282                         continue;
3283
3284                 name = get_win_name(display, win->id, a_wmname, a_string,
3285                     &len);
3286                 if (name == NULL)
3287                         continue;
3288                 fprintf(lfile, "%s.%lu\n", name, win->id);
3289                 XFree(name);
3290         }
3291
3292         fclose(lfile);
3293 }
3294
3295 void
3296 name_workspace(struct swm_region *r, union arg *args)
3297 {
3298         FILE                    *lfile;
3299
3300         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3301
3302         if (r == NULL)
3303                 return;
3304
3305         search_r = r;
3306         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3307
3308         spawn_select(r, args, "name_workspace", &searchpid);
3309
3310         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3311                 return;
3312
3313         fprintf(lfile, "%s", "");
3314         fclose(lfile);
3315 }
3316
3317 void
3318 search_workspace(struct swm_region *r, union arg *args)
3319 {
3320         int                     i;
3321         struct workspace        *ws;
3322         FILE                    *lfile;
3323
3324         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3325
3326         if (r == NULL)
3327                 return;
3328
3329         search_r = r;
3330         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3331
3332         spawn_select(r, args, "search", &searchpid);
3333
3334         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3335                 return;
3336
3337         for (i = 0; i < SWM_WS_MAX; i++) {
3338                 ws = &r->s->ws[i];
3339                 if (ws == NULL)
3340                         continue;
3341                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3342                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3343         }
3344
3345         fclose(lfile);
3346 }
3347
3348 void
3349 search_win_cleanup(void)
3350 {
3351         struct search_window    *sw = NULL;
3352
3353         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3354                 XDestroyWindow(display, sw->indicator);
3355                 TAILQ_REMOVE(&search_wl, sw, entry);
3356                 free(sw);
3357         }
3358 }
3359
3360 void
3361 search_win(struct swm_region *r, union arg *args)
3362 {
3363         struct ws_win           *win = NULL;
3364         struct search_window    *sw = NULL;
3365         Window                  w;
3366         GC                      gc;
3367         XGCValues               gcv;
3368         int                     i;
3369         char                    s[8];
3370         FILE                    *lfile;
3371         size_t                  len;
3372         int                     textwidth;
3373
3374         DNPRINTF(SWM_D_MISC, "search_win\n");
3375
3376         search_r = r;
3377         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3378
3379         spawn_select(r, args, "search", &searchpid);
3380
3381         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3382                 return;
3383
3384         TAILQ_INIT(&search_wl);
3385
3386         i = 1;
3387         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3388                 if (win->iconic == 1)
3389                         continue;
3390
3391                 sw = calloc(1, sizeof(struct search_window));
3392                 if (sw == NULL) {
3393                         fprintf(stderr, "search_win: calloc: %s", strerror(errno));
3394                         fclose(lfile);
3395                         search_win_cleanup();
3396                         return;
3397                 }
3398                 sw->idx = i;
3399                 sw->win = win;
3400
3401                 snprintf(s, sizeof s, "%d", i);
3402                 len = strlen(s);
3403                 textwidth = XTextWidth(bar_fs, s, len);
3404
3405                 w = XCreateSimpleWindow(display,
3406                     win->id, 0, 0, textwidth + 12,
3407                     bar_fs->ascent + bar_fs->descent + 4, 1,
3408                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3409                     r->s->c[SWM_S_COLOR_FOCUS].color);
3410
3411                 sw->indicator = w;
3412                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3413
3414                 gc = XCreateGC(display, w, 0, &gcv);
3415                 XSetFont(display, gc, bar_fs->fid);
3416                 XMapRaised(display, w);
3417                 XSetForeground(display, gc, r->s->c[SWM_S_COLOR_BAR].color);
3418
3419                 XDrawString(display, w, gc, 6, bar_fs->ascent + 2, s, len);
3420
3421                 fprintf(lfile, "%d\n", i);
3422                 i++;
3423         }
3424
3425         fclose(lfile);
3426 }
3427
3428 void
3429 search_resp_uniconify(char *resp, unsigned long len)
3430 {
3431         unsigned char           *name;
3432         struct ws_win           *win;
3433         char                    *s;
3434
3435         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp %s\n", resp);
3436
3437         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3438                 if (win->iconic == 0)
3439                         continue;
3440                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3441                 if (name == NULL)
3442                         continue;
3443                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3444                         XFree(name);
3445                         continue;
3446                 }
3447                 XFree(name);
3448                 if (strncmp(s, resp, len) == 0) {
3449                         /* XXX this should be a callback to generalize */
3450                         update_iconic(win, 0);
3451                         free(s);
3452                         break;
3453                 }
3454                 free(s);
3455         }
3456 }
3457
3458 void
3459 search_resp_name_workspace(char *resp, unsigned long len)
3460 {
3461         struct workspace        *ws;
3462
3463         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp %s\n", resp);
3464
3465         if (search_r->ws == NULL)
3466                 return;
3467         ws = search_r->ws;
3468
3469         if (ws->name) {
3470                 free(search_r->ws->name);
3471                 search_r->ws->name = NULL;
3472         }
3473
3474         if (len > 1) {
3475                 ws->name = strdup(resp);
3476                 if (ws->name == NULL) {
3477                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: strdup: %s",
3478                             strerror(errno));
3479                         return;
3480                 }
3481         }
3482 }
3483
3484 void
3485 search_resp_search_workspace(char *resp, unsigned long len)
3486 {
3487         char                    *p, *q;
3488         int                     ws_idx;
3489         const char              *errstr;
3490         union arg               a;
3491
3492         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp %s\n", resp);
3493
3494         q = strdup(resp);
3495         if (!q) {
3496                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3497                     strerror(errno));
3498                 return;
3499         }
3500         p = strchr(q, ':');
3501         if (p != NULL)
3502                 *p = '\0';
3503         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3504         if (errstr) {
3505                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3506                     errstr, q);
3507                 free(q);
3508                 return;
3509         }
3510         free(q);
3511         a.id = ws_idx - 1;
3512         switchws(search_r, &a);
3513 }
3514
3515 void
3516 search_resp_search_window(char *resp, unsigned long len)
3517 {
3518         char                    *s;
3519         int                     idx;
3520         const char              *errstr;
3521         struct search_window    *sw;
3522
3523         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp %s\n", resp);
3524
3525         s = strdup(resp);
3526         if (!s) {
3527                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3528                     strerror(errno));
3529                 return;
3530         }
3531
3532         idx = strtonum(s, 1, INT_MAX, &errstr);
3533         if (errstr) {
3534                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3535                     errstr, s);
3536                 free(s);
3537                 return;
3538         }
3539         free(s);
3540
3541         TAILQ_FOREACH(sw, &search_wl, entry)
3542                 if (idx == sw->idx) {
3543                         focus_win(sw->win);
3544                         break;
3545                 }
3546 }
3547
3548 #define MAX_RESP_LEN    1024
3549
3550 void
3551 search_do_resp(void)
3552 {
3553         ssize_t                 rbytes;
3554         char                    *resp;
3555         unsigned long           len;
3556
3557         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3558
3559         search_resp = 0;
3560         searchpid = 0;
3561
3562         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3563                 fprintf(stderr, "search: calloc\n");
3564                 goto done;
3565         }
3566
3567         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3568         if (rbytes <= 0) {
3569                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3570                 goto done;
3571         }
3572         resp[rbytes] = '\0';
3573
3574         /* XXX:
3575          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3576          * newline, so work around that by sanitizing the resp now.
3577          */
3578         resp[strcspn(resp, "\n")] = '\0';
3579         len = strlen(resp);
3580
3581         switch (search_resp_action) {
3582         case SWM_SEARCH_UNICONIFY:
3583                 search_resp_uniconify(resp, len);
3584                 break;
3585         case SWM_SEARCH_NAME_WORKSPACE:
3586                 search_resp_name_workspace(resp, len);
3587                 break;
3588         case SWM_SEARCH_SEARCH_WORKSPACE:
3589                 search_resp_search_workspace(resp, len);
3590                 break;
3591         case SWM_SEARCH_SEARCH_WINDOW:
3592                 search_resp_search_window(resp, len);
3593                 break;
3594         }
3595
3596 done:
3597         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3598                 search_win_cleanup();
3599
3600         search_resp_action = SWM_SEARCH_NONE;
3601         close(select_resp_pipe[0]);
3602         free(resp);
3603 }
3604
3605 void
3606 wkill(struct swm_region *r, union arg *args)
3607 {
3608         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3609
3610         if (r->ws->focus == NULL)
3611                 return;
3612
3613         if (args->id == SWM_ARG_ID_KILLWINDOW)
3614                 XKillClient(display, r->ws->focus->id);
3615         else
3616                 if (r->ws->focus->can_delete)
3617                         client_msg(r->ws->focus, adelete);
3618 }
3619
3620
3621 int
3622 floating_toggle_win(struct ws_win *win)
3623 {
3624         struct swm_region       *r;
3625
3626         if (win == NULL)
3627                 return 0;
3628
3629         if (!win->ws->r)
3630                 return 0;
3631
3632         r = win->ws->r;
3633
3634         /* reject floating toggles in max stack mode */
3635         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3636                 return 0;
3637
3638         if (win->floating) {
3639                 if (!win->floatmaxed) {
3640                         /* retain position for refloat */
3641                         store_float_geom(win, r);
3642                 }
3643                 win->floating = 0;
3644         } else {
3645                 if (win->g_floatvalid) {
3646                         /* refloat at last floating relative position */
3647                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3648                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3649                         win->g.w = win->g_float.w;
3650                         win->g.h = win->g_float.h;
3651                 }
3652                 win->floating = 1;
3653         }
3654
3655         ewmh_update_actions(win);
3656
3657         return 1;
3658 }
3659
3660 void
3661 floating_toggle(struct swm_region *r, union arg *args)
3662 {
3663         struct ws_win           *win = r->ws->focus;
3664         union arg               a;
3665
3666         if (win == NULL)
3667                 return;
3668
3669         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3670             _NET_WM_STATE_TOGGLE);
3671
3672         stack();
3673         if (focus_mode == SWM_FOCUS_DEFAULT)
3674                 drain_enter_notify();
3675
3676         if (win == win->ws->focus) {
3677                 a.id = SWM_ARG_ID_FOCUSCUR;
3678                 focus(win->ws->r, &a);
3679         }
3680 }
3681
3682 void
3683 resize_window(struct ws_win *win, int center)
3684 {
3685         unsigned int            mask;
3686         XWindowChanges          wc;
3687         struct swm_region       *r;
3688
3689         r = root_to_region(win->wa.root);
3690         bzero(&wc, sizeof wc);
3691         mask = CWBorderWidth | CWWidth | CWHeight;
3692         wc.border_width = border_width;
3693         wc.width = win->g.w;
3694         wc.height = win->g.h;
3695         if (center == SWM_ARG_ID_CENTER) {
3696                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3697                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3698                 mask |= CWX | CWY;
3699         }
3700
3701         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3702             win->id, wc.x, wc.y, wc.width, wc.height);
3703
3704         XConfigureWindow(display, win->id, mask, &wc);
3705 }
3706
3707 #define SWM_RESIZE_STEPS        (50)
3708
3709 void
3710 resize(struct ws_win *win, union arg *args)
3711 {
3712         XEvent                  ev;
3713         Time                    time = 0;
3714         struct swm_region       *r = NULL;
3715         int                     relx, rely;
3716         int                     resize_step = 0;
3717
3718         if (win == NULL)
3719                 return;
3720         r = win->ws->r;
3721
3722         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3723             win->id, win->floating, win->transient);
3724
3725         if (!(win->transient != 0 || win->floating != 0))
3726                 return;
3727
3728         /* reject resizes in max mode for floaters (transient ok) */
3729         if (win->floatmaxed)
3730                 return;
3731
3732         win->manual = 1;
3733         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3734             _NET_WM_STATE_ADD);
3735
3736         stack();
3737
3738         switch (args->id) {
3739         case SWM_ARG_ID_WIDTHSHRINK:
3740                 win->g.w -= SWM_RESIZE_STEPS;
3741                 resize_step = 1;
3742                 break;
3743         case SWM_ARG_ID_WIDTHGROW:
3744                 win->g.w += SWM_RESIZE_STEPS;
3745                 resize_step = 1;
3746                 break;
3747         case SWM_ARG_ID_HEIGHTSHRINK:
3748                 win->g.h -= SWM_RESIZE_STEPS;
3749                 resize_step = 1;
3750                 break;
3751         case SWM_ARG_ID_HEIGHTGROW:
3752                 win->g.h += SWM_RESIZE_STEPS;
3753                 resize_step = 1;
3754                 break;
3755         default:
3756                 break;
3757         }
3758         if (resize_step) {
3759                 resize_window(win, 0);
3760                 store_float_geom(win,r);
3761                 return;
3762         }
3763
3764         if (focus_mode == SWM_FOCUS_DEFAULT)
3765                 drain_enter_notify();
3766
3767         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3768             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3769                 return;
3770
3771         /* place pointer at bottom left corner or nearest point inside r */
3772         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3773                 relx = win->g.w - 1;
3774         else
3775                 relx = r->g.x + r->g.w - win->g.x - 1;
3776
3777         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3778                 rely = win->g.h - 1;
3779         else
3780                 rely = r->g.y + r->g.h - win->g.y - 1;
3781
3782         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3783         do {
3784                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3785                     SubstructureRedirectMask, &ev);
3786                 switch (ev.type) {
3787                 case ConfigureRequest:
3788                 case Expose:
3789                 case MapRequest:
3790                         handler[ev.type](&ev);
3791                         break;
3792                 case MotionNotify:
3793                         /* do not allow resize outside of region */
3794                         if (    ev.xmotion.x_root < r->g.x ||
3795                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3796                                 ev.xmotion.y_root < r->g.y ||
3797                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3798                                 continue;
3799
3800                         if (ev.xmotion.x <= 1)
3801                                 ev.xmotion.x = 1;
3802                         if (ev.xmotion.y <= 1)
3803                                 ev.xmotion.y = 1;
3804                         win->g.w = ev.xmotion.x + 1;
3805                         win->g.h = ev.xmotion.y + 1;
3806
3807                         /* not free, don't sync more than 120 times / second */
3808                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3809                                 time = ev.xmotion.time;
3810                                 XSync(display, False);
3811                                 resize_window(win, args->id);
3812                         }
3813                         break;
3814                 }
3815         } while (ev.type != ButtonRelease);
3816         if (time) {
3817                 XSync(display, False);
3818                 resize_window(win, args->id);
3819         }
3820         store_float_geom(win,r);
3821
3822         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3823             win->g.h - 1);
3824         XUngrabPointer(display, CurrentTime);
3825
3826         /* drain events */
3827         drain_enter_notify();
3828 }
3829
3830 void
3831 resize_step(struct swm_region *r, union arg *args)
3832 {
3833         struct ws_win           *win = NULL;
3834
3835         if (r && r->ws && r->ws->focus)
3836                 win = r->ws->focus;
3837         else
3838                 return;
3839
3840         resize(win, args);
3841 }
3842
3843
3844 void
3845 move_window(struct ws_win *win)
3846 {
3847         unsigned int            mask;
3848         XWindowChanges          wc;
3849
3850         bzero(&wc, sizeof wc);
3851         mask = CWX | CWY;
3852         wc.x = win->g.x;
3853         wc.y = win->g.y;
3854         wc.border_width = border_width;
3855
3856         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3857             win->id, wc.x, wc.y, wc.width, wc.height);
3858
3859         XConfigureWindow(display, win->id, mask, &wc);
3860 }
3861
3862 #define SWM_MOVE_STEPS  (50)
3863
3864 void
3865 move(struct ws_win *win, union arg *args)
3866 {
3867         XEvent                  ev;
3868         Time                    time = 0;
3869         int                     move_step = 0;
3870         struct swm_region       *r = NULL;
3871
3872         if (win == NULL)
3873                 return;
3874         r = win->ws->r;
3875
3876         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3877             win->id, win->floating, win->transient);
3878
3879         /* in max_stack mode should only move transients */
3880         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3881                 return;
3882
3883         win->manual = 1;
3884         if (win->floating == 0 && !win->transient) {
3885                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3886                     _NET_WM_STATE_ADD);
3887         }
3888         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3889             _NET_WM_STATE_ADD);
3890
3891         stack();
3892
3893         move_step = 0;
3894         switch (args->id) {
3895         case SWM_ARG_ID_MOVELEFT:
3896                 win->g.x -= (SWM_MOVE_STEPS - border_width);
3897                 move_step = 1;
3898                 break;
3899         case SWM_ARG_ID_MOVERIGHT:
3900                 win->g.x += (SWM_MOVE_STEPS - border_width);
3901                 move_step = 1;
3902                 break;
3903         case SWM_ARG_ID_MOVEUP:
3904                 win->g.y -= (SWM_MOVE_STEPS - border_width);
3905                 move_step = 1;
3906                 break;
3907         case SWM_ARG_ID_MOVEDOWN:
3908                 win->g.y += (SWM_MOVE_STEPS - border_width);
3909                 move_step = 1;
3910                 break;
3911         default:
3912                 break;
3913         }
3914         if (move_step) {
3915                 move_window(win);
3916                 store_float_geom(win,r);
3917                 return;
3918         }
3919
3920
3921         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3922             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3923                 return;
3924         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3925         do {
3926                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3927                     SubstructureRedirectMask, &ev);
3928                 switch (ev.type) {
3929                 case ConfigureRequest:
3930                 case Expose:
3931                 case MapRequest:
3932                         handler[ev.type](&ev);
3933                         break;
3934                 case MotionNotify:
3935                         /* don't allow to move window origin out of region */
3936                         if (    ev.xmotion.x_root < r->g.x ||
3937                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3938                                 ev.xmotion.y_root < r->g.y ||
3939                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3940                                 continue;
3941
3942                         win->g.x = ev.xmotion.x_root - border_width;
3943                         win->g.y = ev.xmotion.y_root - border_width;
3944
3945                         /* not free, don't sync more than 120 times / second */
3946                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3947                                 time = ev.xmotion.time;
3948                                 XSync(display, False);
3949                                 move_window(win);
3950                         }
3951                         break;
3952                 }
3953         } while (ev.type != ButtonRelease);
3954         if (time) {
3955                 XSync(display, False);
3956                 move_window(win);
3957         }
3958         store_float_geom(win,r);
3959         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3960         XUngrabPointer(display, CurrentTime);
3961
3962         /* drain events */
3963         drain_enter_notify();
3964 }
3965
3966 void
3967 move_step(struct swm_region *r, union arg *args)
3968 {
3969         struct ws_win           *win = NULL;
3970
3971         if (r && r->ws && r->ws->focus)
3972                 win = r->ws->focus;
3973         else
3974                 return;
3975
3976         if (!(win->transient != 0 || win->floating != 0))
3977                 return;
3978
3979         move(win, args);
3980 }
3981
3982
3983 /* user/key callable function IDs */
3984 enum keyfuncid {
3985         kf_cycle_layout,
3986         kf_stack_reset,
3987         kf_master_shrink,
3988         kf_master_grow,
3989         kf_master_add,
3990         kf_master_del,
3991         kf_stack_inc,
3992         kf_stack_dec,
3993         kf_swap_main,
3994         kf_focus_next,
3995         kf_focus_prev,
3996         kf_swap_next,
3997         kf_swap_prev,
3998         kf_spawn_term,
3999         kf_spawn_menu,
4000         kf_quit,
4001         kf_restart,
4002         kf_focus_main,
4003         kf_ws_1,
4004         kf_ws_2,
4005         kf_ws_3,
4006         kf_ws_4,
4007         kf_ws_5,
4008         kf_ws_6,
4009         kf_ws_7,
4010         kf_ws_8,
4011         kf_ws_9,
4012         kf_ws_10,
4013         kf_ws_next,
4014         kf_ws_prev,
4015         kf_ws_next_all,
4016         kf_ws_prev_all,
4017         kf_ws_prior,
4018         kf_screen_next,
4019         kf_screen_prev,
4020         kf_mvws_1,
4021         kf_mvws_2,
4022         kf_mvws_3,
4023         kf_mvws_4,
4024         kf_mvws_5,
4025         kf_mvws_6,
4026         kf_mvws_7,
4027         kf_mvws_8,
4028         kf_mvws_9,
4029         kf_mvws_10,
4030         kf_bar_toggle,
4031         kf_wind_kill,
4032         kf_wind_del,
4033         kf_screenshot_all,
4034         kf_screenshot_wind,
4035         kf_float_toggle,
4036         kf_version,
4037         kf_spawn_lock,
4038         kf_spawn_initscr,
4039         kf_spawn_custom,
4040         kf_iconify,
4041         kf_uniconify,
4042         kf_raise_toggle,
4043         kf_button2,
4044         kf_width_shrink,
4045         kf_width_grow,
4046         kf_height_shrink,
4047         kf_height_grow,
4048         kf_move_left,
4049         kf_move_right,
4050         kf_move_up,
4051         kf_move_down,
4052         kf_name_workspace,
4053         kf_search_workspace,
4054         kf_search_win,
4055         kf_dumpwins, /* MUST BE LAST */
4056         kf_invalid
4057 };
4058
4059 /* key definitions */
4060 void
4061 dummykeyfunc(struct swm_region *r, union arg *args)
4062 {
4063 };
4064
4065 void
4066 legacyfunc(struct swm_region *r, union arg *args)
4067 {
4068 };
4069
4070 struct keyfunc {
4071         char                    name[SWM_FUNCNAME_LEN];
4072         void                    (*func)(struct swm_region *r, union arg *);
4073         union arg               args;
4074 } keyfuncs[kf_invalid + 1] = {
4075         /* name                 function        argument */
4076         { "cycle_layout",       cycle_layout,   {0} },
4077         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4078         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4079         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4080         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4081         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4082         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4083         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4084         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4085         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4086         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4087         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4088         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4089         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4090         { "spawn_menu",         legacyfunc,     {0} },
4091         { "quit",               quit,           {0} },
4092         { "restart",            restart,        {0} },
4093         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4094         { "ws_1",               switchws,       {.id = 0} },
4095         { "ws_2",               switchws,       {.id = 1} },
4096         { "ws_3",               switchws,       {.id = 2} },
4097         { "ws_4",               switchws,       {.id = 3} },
4098         { "ws_5",               switchws,       {.id = 4} },
4099         { "ws_6",               switchws,       {.id = 5} },
4100         { "ws_7",               switchws,       {.id = 6} },
4101         { "ws_8",               switchws,       {.id = 7} },
4102         { "ws_9",               switchws,       {.id = 8} },
4103         { "ws_10",              switchws,       {.id = 9} },
4104         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4105         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4106         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4107         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4108         { "ws_prior",           priorws,        {0} },
4109         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4110         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4111         { "mvws_1",             send_to_ws,     {.id = 0} },
4112         { "mvws_2",             send_to_ws,     {.id = 1} },
4113         { "mvws_3",             send_to_ws,     {.id = 2} },
4114         { "mvws_4",             send_to_ws,     {.id = 3} },
4115         { "mvws_5",             send_to_ws,     {.id = 4} },
4116         { "mvws_6",             send_to_ws,     {.id = 5} },
4117         { "mvws_7",             send_to_ws,     {.id = 6} },
4118         { "mvws_8",             send_to_ws,     {.id = 7} },
4119         { "mvws_9",             send_to_ws,     {.id = 8} },
4120         { "mvws_10",            send_to_ws,     {.id = 9} },
4121         { "bar_toggle",         bar_toggle,     {0} },
4122         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4123         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4124         { "screenshot_all",     legacyfunc,     {0} },
4125         { "screenshot_wind",    legacyfunc,     {0} },
4126         { "float_toggle",       floating_toggle,{0} },
4127         { "version",            version,        {0} },
4128         { "spawn_lock",         legacyfunc,     {0} },
4129         { "spawn_initscr",      legacyfunc,     {0} },
4130         { "spawn_custom",       dummykeyfunc,   {0} },
4131         { "iconify",            iconify,        {0} },
4132         { "uniconify",          uniconify,      {0} },
4133         { "raise_toggle",       raise_toggle,   {0} },
4134         { "button2",            pressbutton,    {2} },
4135         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4136         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4137         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4138         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4139         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4140         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4141         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4142         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4143         { "name_workspace",     name_workspace, {0} },
4144         { "search_workspace",   search_workspace,       {0} },
4145         { "search_win",         search_win,     {0} },
4146         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4147         { "invalid key func",   NULL,           {0} },
4148 };
4149 struct key {
4150         unsigned int            mod;
4151         KeySym                  keysym;
4152         enum keyfuncid          funcid;
4153         char                    *spawn_name;
4154 };
4155 int                             keys_size = 0, keys_length = 0;
4156 struct key                      *keys = NULL;
4157
4158 /* mouse */
4159 enum { client_click, root_click };
4160 struct button {
4161         unsigned int            action;
4162         unsigned int            mask;
4163         unsigned int            button;
4164         void                    (*func)(struct ws_win *, union arg *);
4165         union arg               args;
4166 } buttons[] = {
4167           /* action     key             mouse button    func    args */
4168         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4169         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4170         { client_click, MODKEY,         Button1,        move,   {0} },
4171 };
4172
4173 void
4174 update_modkey(unsigned int mod)
4175 {
4176         int                     i;
4177
4178         mod_key = mod;
4179         for (i = 0; i < keys_length; i++)
4180                 if (keys[i].mod & ShiftMask)
4181                         keys[i].mod = mod | ShiftMask;
4182                 else
4183                         keys[i].mod = mod;
4184
4185         for (i = 0; i < LENGTH(buttons); i++)
4186                 if (buttons[i].mask & ShiftMask)
4187                         buttons[i].mask = mod | ShiftMask;
4188                 else
4189                         buttons[i].mask = mod;
4190 }
4191
4192 /* spawn */
4193 struct spawn_prog {
4194         char                    *name;
4195         int                     argc;
4196         char                    **argv;
4197 };
4198
4199 int                             spawns_size = 0, spawns_length = 0;
4200 struct spawn_prog               *spawns = NULL;
4201
4202 int
4203 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4204     char ***ret_args)
4205 {
4206         struct spawn_prog       *prog = NULL;
4207         int                     i;
4208         char                    *ap, **real_args;
4209
4210         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
4211
4212         /* find program */
4213         for (i = 0; i < spawns_length; i++) {
4214                 if (!strcasecmp(spawn_name, spawns[i].name))
4215                         prog = &spawns[i];
4216         }
4217         if (prog == NULL) {
4218                 fprintf(stderr, "spawn_custom: program %s not found\n",
4219                     spawn_name);
4220                 return (-1);
4221         }
4222
4223         /* make room for expanded args */
4224         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4225                 err(1, "spawn_custom: calloc real_args");
4226
4227         /* expand spawn_args into real_args */
4228         for (i = 0; i < prog->argc; i++) {
4229                 ap = prog->argv[i];
4230                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
4231                 if (!strcasecmp(ap, "$bar_border")) {
4232                         if ((real_args[i] =
4233                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4234                             == NULL)
4235                                 err(1,  "spawn_custom border color");
4236                 } else if (!strcasecmp(ap, "$bar_color")) {
4237                         if ((real_args[i] =
4238                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4239                             == NULL)
4240                                 err(1, "spawn_custom bar color");
4241                 } else if (!strcasecmp(ap, "$bar_font")) {
4242                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
4243                             == NULL)
4244                                 err(1, "spawn_custom bar fonts");
4245                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4246                         if ((real_args[i] =
4247                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4248                             == NULL)
4249                                 err(1, "spawn_custom color font");
4250                 } else if (!strcasecmp(ap, "$color_focus")) {
4251                         if ((real_args[i] =
4252                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4253                             == NULL)
4254                                 err(1, "spawn_custom color focus");
4255                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4256                         if ((real_args[i] =
4257                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4258                             == NULL)
4259                                 err(1, "spawn_custom color unfocus");
4260                 } else {
4261                         /* no match --> copy as is */
4262                         if ((real_args[i] = strdup(ap)) == NULL)
4263                                 err(1, "spawn_custom strdup(ap)");
4264                 }
4265                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
4266                     real_args[i]);
4267         }
4268
4269 #ifdef SWM_DEBUG
4270         if ((swm_debug & SWM_D_SPAWN) != 0) {
4271                 fprintf(stderr, "spawn_custom: result = ");
4272                 for (i = 0; i < prog->argc; i++)
4273                         fprintf(stderr, "\"%s\" ", real_args[i]);
4274                 fprintf(stderr, "\n");
4275         }
4276 #endif
4277         *ret_args = real_args;
4278         return (prog->argc);
4279 }
4280
4281 void
4282 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4283 {
4284         union arg               a;
4285         char                    **real_args;
4286         int                     spawn_argc, i;
4287
4288         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4289                 return;
4290         a.argv = real_args;
4291         if (fork() == 0)
4292                 spawn(r->ws->idx, &a, 1);
4293
4294         for (i = 0; i < spawn_argc; i++)
4295                 free(real_args[i]);
4296         free(real_args);
4297 }
4298
4299 void
4300 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4301 {
4302         union arg               a;
4303         char                    **real_args;
4304         int                     i, spawn_argc;
4305
4306         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4307                 return;
4308         a.argv = real_args;
4309
4310         if (pipe(select_list_pipe) == -1)
4311                 err(1, "pipe error");
4312         if (pipe(select_resp_pipe) == -1)
4313                 err(1, "pipe error");
4314
4315         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4316                 err(1, "could not disable SIGPIPE");
4317         switch (*pid = fork()) {
4318         case -1:
4319                 err(1, "cannot fork");
4320                 break;
4321         case 0: /* child */
4322                 if (dup2(select_list_pipe[0], 0) == -1)
4323                         err(1, "dup2");
4324                 if (dup2(select_resp_pipe[1], 1) == -1)
4325                         err(1, "dup2");
4326                 close(select_list_pipe[1]);
4327                 close(select_resp_pipe[0]);
4328                 spawn(r->ws->idx, &a, 0);
4329                 break;
4330         default: /* parent */
4331                 close(select_list_pipe[0]);
4332                 close(select_resp_pipe[1]);
4333                 break;
4334         }
4335
4336         for (i = 0; i < spawn_argc; i++)
4337                 free(real_args[i]);
4338         free(real_args);
4339 }
4340
4341 void
4342 setspawn(struct spawn_prog *prog)
4343 {
4344         int                     i, j;
4345
4346         if (prog == NULL || prog->name == NULL)
4347                 return;
4348
4349         /* find existing */
4350         for (i = 0; i < spawns_length; i++) {
4351                 if (!strcmp(spawns[i].name, prog->name)) {
4352                         /* found */
4353                         if (prog->argv == NULL) {
4354                                 /* delete */
4355                                 DNPRINTF(SWM_D_SPAWN,
4356                                     "setspawn: delete #%d %s\n",
4357                                     i, spawns[i].name);
4358                                 free(spawns[i].name);
4359                                 for (j = 0; j < spawns[i].argc; j++)
4360                                         free(spawns[i].argv[j]);
4361                                 free(spawns[i].argv);
4362                                 j = spawns_length - 1;
4363                                 if (i < j)
4364                                         spawns[i] = spawns[j];
4365                                 spawns_length--;
4366                                 free(prog->name);
4367                         } else {
4368                                 /* replace */
4369                                 DNPRINTF(SWM_D_SPAWN,
4370                                     "setspawn: replace #%d %s\n",
4371                                     i, spawns[i].name);
4372                                 free(spawns[i].name);
4373                                 for (j = 0; j < spawns[i].argc; j++)
4374                                         free(spawns[i].argv[j]);
4375                                 free(spawns[i].argv);
4376                                 spawns[i] = *prog;
4377                         }
4378                         /* found case handled */
4379                         free(prog);
4380                         return;
4381                 }
4382         }
4383
4384         if (prog->argv == NULL) {
4385                 fprintf(stderr,
4386                     "error: setspawn: cannot find program %s", prog->name);
4387                 free(prog);
4388                 return;
4389         }
4390
4391         /* not found: add */
4392         if (spawns_size == 0 || spawns == NULL) {
4393                 spawns_size = 4;
4394                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4395                 spawns = malloc((size_t)spawns_size *
4396                     sizeof(struct spawn_prog));
4397                 if (spawns == NULL) {
4398                         fprintf(stderr, "setspawn: malloc failed\n");
4399                         perror(" failed");
4400                         quit(NULL, NULL);
4401                 }
4402         } else if (spawns_length == spawns_size) {
4403                 spawns_size *= 2;
4404                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4405                 spawns = realloc(spawns, (size_t)spawns_size *
4406                     sizeof(struct spawn_prog));
4407                 if (spawns == NULL) {
4408                         fprintf(stderr, "setspawn: realloc failed\n");
4409                         perror(" failed");
4410                         quit(NULL, NULL);
4411                 }
4412         }
4413
4414         if (spawns_length < spawns_size) {
4415                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4416                     spawns_length, prog->name);
4417                 i = spawns_length++;
4418                 spawns[i] = *prog;
4419         } else {
4420                 fprintf(stderr, "spawns array problem?\n");
4421                 if (spawns == NULL) {
4422                         fprintf(stderr, "spawns array is NULL!\n");
4423                         quit(NULL, NULL);
4424                 }
4425         }
4426         free(prog);
4427 }
4428
4429 int
4430 setconfspawn(char *selector, char *value, int flags)
4431 {
4432         struct spawn_prog       *prog;
4433         char                    *vp, *cp, *word;
4434
4435         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4436         if ((prog = calloc(1, sizeof *prog)) == NULL)
4437                 err(1, "setconfspawn: calloc prog");
4438         prog->name = strdup(selector);
4439         if (prog->name == NULL)
4440                 err(1, "setconfspawn prog->name");
4441         if ((cp = vp = strdup(value)) == NULL)
4442                 err(1, "setconfspawn: strdup(value) ");
4443         while ((word = strsep(&cp, " \t")) != NULL) {
4444                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4445                 if (cp)
4446                         cp += (long)strspn(cp, " \t");
4447                 if (strlen(word) > 0) {
4448                         prog->argc++;
4449                         if ((prog->argv = realloc(prog->argv,
4450                             prog->argc * sizeof(char *))) == NULL)
4451                                 err(1, "setconfspawn: realloc");
4452                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4453                                 err(1, "setconfspawn: strdup");
4454                 }
4455         }
4456         free(vp);
4457
4458         setspawn(prog);
4459
4460         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4461         return (0);
4462 }
4463
4464 void
4465 setup_spawn(void)
4466 {
4467         setconfspawn("term",            "xterm",                0);
4468         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4469         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4470         setconfspawn("lock",            "xlock",                0);
4471         setconfspawn("initscr",         "initscreen.sh",        0);
4472         setconfspawn("menu",            "dmenu_run"
4473                                         " -fn $bar_font"
4474                                         " -nb $bar_color"
4475                                         " -nf $bar_font_color"
4476                                         " -sb $bar_border"
4477                                         " -sf $bar_color",      0);
4478         setconfspawn("search",          "dmenu"
4479                                         " -i"
4480                                         " -fn $bar_font"
4481                                         " -nb $bar_color"
4482                                         " -nf $bar_font_color"
4483                                         " -sb $bar_border"
4484                                         " -sf $bar_color",      0);
4485         setconfspawn("name_workspace",  "dmenu"
4486                                         " -p Workspace"
4487                                         " -fn $bar_font"
4488                                         " -nb $bar_color"
4489                                         " -nf $bar_font_color"
4490                                         " -sb $bar_border"
4491                                         " -sf $bar_color",      0);
4492 }
4493
4494 /* key bindings */
4495 #define SWM_MODNAME_SIZE        32
4496 #define SWM_KEY_WS              "\n+ \t"
4497 int
4498 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4499 {
4500         char                    *cp, *name;
4501         KeySym                  uks;
4502         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4503         if (mod == NULL || ks == NULL) {
4504                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4505                 return (1);
4506         }
4507         if (keystr == NULL || strlen(keystr) == 0) {
4508                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4509                 return (1);
4510         }
4511         cp = keystr;
4512         *ks = NoSymbol;
4513         *mod = 0;
4514         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4515                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4516                 if (cp)
4517                         cp += (long)strspn(cp, SWM_KEY_WS);
4518                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4519                         *mod |= currmod;
4520                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4521                         *mod |= Mod1Mask;
4522                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4523                         *mod += Mod2Mask;
4524                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4525                         *mod |= Mod3Mask;
4526                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4527                         *mod |= Mod4Mask;
4528                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4529                         *mod |= ShiftMask;
4530                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4531                         *mod |= ControlMask;
4532                 else {
4533                         *ks = XStringToKeysym(name);
4534                         XConvertCase(*ks, ks, &uks);
4535                         if (ks == NoSymbol) {
4536                                 DNPRINTF(SWM_D_KEY,
4537                                     "parsekeys: invalid key %s\n",
4538                                     name);
4539                                 return (1);
4540                         }
4541                 }
4542         }
4543         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4544         return (0);
4545 }
4546
4547 char *
4548 strdupsafe(char *str)
4549 {
4550         if (str == NULL)
4551                 return (NULL);
4552         else
4553                 return (strdup(str));
4554 }
4555
4556 void
4557 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4558     char *spawn_name)
4559 {
4560         int                     i, j;
4561         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4562             keyfuncs[kfid].name, spawn_name);
4563         /* find existing */
4564         for (i = 0; i < keys_length; i++) {
4565                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4566                         if (kfid == kf_invalid) {
4567                                 /* found: delete */
4568                                 DNPRINTF(SWM_D_KEY,
4569                                     "setkeybinding: delete #%d %s\n",
4570                                     i, keyfuncs[keys[i].funcid].name);
4571                                 free(keys[i].spawn_name);
4572                                 j = keys_length - 1;
4573                                 if (i < j)
4574                                         keys[i] = keys[j];
4575                                 keys_length--;
4576                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4577                                 return;
4578                         } else {
4579                                 /* found: replace */
4580                                 DNPRINTF(SWM_D_KEY,
4581                                     "setkeybinding: replace #%d %s %s\n",
4582                                     i, keyfuncs[keys[i].funcid].name,
4583                                     spawn_name);
4584                                 free(keys[i].spawn_name);
4585                                 keys[i].mod = mod;
4586                                 keys[i].keysym = ks;
4587                                 keys[i].funcid = kfid;
4588                                 keys[i].spawn_name = strdupsafe(spawn_name);
4589                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4590                                 return;
4591                         }
4592                 }
4593         }
4594         if (kfid == kf_invalid) {
4595                 fprintf(stderr,
4596                     "error: setkeybinding: cannot find mod/key combination");
4597                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4598                 return;
4599         }
4600         /* not found: add */
4601         if (keys_size == 0 || keys == NULL) {
4602                 keys_size = 4;
4603                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4604                 keys = malloc((size_t)keys_size * sizeof(struct key));
4605                 if (keys == NULL) {
4606                         fprintf(stderr, "malloc failed\n");
4607                         perror(" failed");
4608                         quit(NULL, NULL);
4609                 }
4610         } else if (keys_length == keys_size) {
4611                 keys_size *= 2;
4612                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4613                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4614                 if (keys == NULL) {
4615                         fprintf(stderr, "realloc failed\n");
4616                         perror(" failed");
4617                         quit(NULL, NULL);
4618                 }
4619         }
4620         if (keys_length < keys_size) {
4621                 j = keys_length++;
4622                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4623                     j, keyfuncs[kfid].name, spawn_name);
4624                 keys[j].mod = mod;
4625                 keys[j].keysym = ks;
4626                 keys[j].funcid = kfid;
4627                 keys[j].spawn_name = strdupsafe(spawn_name);
4628         } else {
4629                 fprintf(stderr, "keys array problem?\n");
4630                 if (keys == NULL) {
4631                         fprintf(stderr, "keys array problem\n");
4632                         quit(NULL, NULL);
4633                 }
4634         }
4635         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4636 }
4637
4638 int
4639 setconfbinding(char *selector, char *value, int flags)
4640 {
4641         enum keyfuncid          kfid;
4642         unsigned int            mod;
4643         KeySym                  ks;
4644         int                     i;
4645         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4646         if (selector == NULL) {
4647                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4648                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4649                         kfid = kf_invalid;
4650                         setkeybinding(mod, ks, kfid, NULL);
4651                         return (0);
4652                 } else
4653                         return (1);
4654         }
4655         /* search by key function name */
4656         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4657                 if (strncasecmp(selector, keyfuncs[kfid].name,
4658                     SWM_FUNCNAME_LEN) == 0) {
4659                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4660                             selector);
4661                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4662                                 setkeybinding(mod, ks, kfid, NULL);
4663                                 return (0);
4664                         } else
4665                                 return (1);
4666                 }
4667         }
4668         /* search by custom spawn name */
4669         for (i = 0; i < spawns_length; i++) {
4670                 if (strcasecmp(selector, spawns[i].name) == 0) {
4671                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4672                             selector);
4673                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4674                                 setkeybinding(mod, ks, kf_spawn_custom,
4675                                     spawns[i].name);
4676                                 return (0);
4677                         } else
4678                                 return (1);
4679                 }
4680         }
4681         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4682         return (1);
4683 }
4684
4685 void
4686 setup_keys(void)
4687 {
4688         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4689         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4690         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4691         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4692         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4693         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4694         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4695         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4696         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4697         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4698         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4699         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4700         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4701         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4702         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4703         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4704         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4705         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4706         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4707         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4708         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4709         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4710         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4711         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4712         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4713         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4714         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4715         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4716         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4717         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4718         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4719         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4720         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4721         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4722         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4723         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4724         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4725         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4726         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4727         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4728         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4729         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4730         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4731         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4732         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4733         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4734         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4735         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4736         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4737         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4738         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4739         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4740         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4741         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4742         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4743         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4744         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4745         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4746         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4747         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4748         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4749         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4750         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4751         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4752         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4753         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4754         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4755         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4756         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4757         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4758         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4759 #ifdef SWM_DEBUG
4760         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4761 #endif
4762 }
4763
4764 void
4765 clear_keys(void)
4766 {
4767         int                     i;
4768
4769         /* clear all key bindings, if any */
4770         for (i = 0; i < keys_length; i++)
4771                 free(keys[i].spawn_name);
4772         keys_length = 0;
4773 }
4774
4775 int
4776 setkeymapping(char *selector, char *value, int flags)
4777 {
4778         char                    keymapping_file[PATH_MAX];
4779         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4780         if (value[0] == '~')
4781                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4782                     pwd->pw_dir, &value[1]);
4783         else
4784                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4785         clear_keys();
4786         /* load new key bindings; if it fails, revert to default bindings */
4787         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4788                 clear_keys();
4789                 setup_keys();
4790         }
4791         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4792         return (0);
4793 }
4794
4795 void
4796 updatenumlockmask(void)
4797 {
4798         unsigned int            i, j;
4799         XModifierKeymap         *modmap;
4800
4801         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4802         numlockmask = 0;
4803         modmap = XGetModifierMapping(display);
4804         for (i = 0; i < 8; i++)
4805                 for (j = 0; j < modmap->max_keypermod; j++)
4806                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4807                             == XKeysymToKeycode(display, XK_Num_Lock))
4808                                 numlockmask = (1 << i);
4809
4810         XFreeModifiermap(modmap);
4811 }
4812
4813 void
4814 grabkeys(void)
4815 {
4816         unsigned int            i, j, k;
4817         KeyCode                 code;
4818         unsigned int            modifiers[] =
4819             { 0, LockMask, numlockmask, numlockmask | LockMask };
4820
4821         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4822         updatenumlockmask();
4823
4824         for (k = 0; k < ScreenCount(display); k++) {
4825                 if (TAILQ_EMPTY(&screens[k].rl))
4826                         continue;
4827                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4828                 for (i = 0; i < keys_length; i++) {
4829                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4830                                 for (j = 0; j < LENGTH(modifiers); j++)
4831                                         XGrabKey(display, code,
4832                                             keys[i].mod | modifiers[j],
4833                                             screens[k].root, True,
4834                                             GrabModeAsync, GrabModeAsync);
4835                 }
4836         }
4837 }
4838
4839 void
4840 grabbuttons(struct ws_win *win, int focused)
4841 {
4842         unsigned int            i, j;
4843         unsigned int            modifiers[] =
4844             { 0, LockMask, numlockmask, numlockmask|LockMask };
4845
4846         updatenumlockmask();
4847         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4848         if (focused) {
4849                 for (i = 0; i < LENGTH(buttons); i++)
4850                         if (buttons[i].action == client_click)
4851                                 for (j = 0; j < LENGTH(modifiers); j++)
4852                                         XGrabButton(display, buttons[i].button,
4853                                             buttons[i].mask | modifiers[j],
4854                                             win->id, False, BUTTONMASK,
4855                                             GrabModeAsync, GrabModeSync, None,
4856                                             None);
4857         } else
4858                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4859                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4860 }
4861
4862 const char *quirkname[] = {
4863         "NONE",         /* config string for "no value" */
4864         "FLOAT",
4865         "TRANSSZ",
4866         "ANYWHERE",
4867         "XTERM_FONTADJ",
4868         "FULLSCREEN",
4869         "FOCUSPREV",
4870 };
4871
4872 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4873 #define SWM_Q_WS                "\n|+ \t"
4874 int
4875 parsequirks(char *qstr, unsigned long *quirk)
4876 {
4877         char                    *cp, *name;
4878         int                     i;
4879
4880         if (quirk == NULL)
4881                 return (1);
4882
4883         cp = qstr;
4884         *quirk = 0;
4885         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4886                 if (cp)
4887                         cp += (long)strspn(cp, SWM_Q_WS);
4888                 for (i = 0; i < LENGTH(quirkname); i++) {
4889                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4890                                 DNPRINTF(SWM_D_QUIRK,
4891                                     "parsequirks: %s\n", name);
4892                                 if (i == 0) {
4893                                         *quirk = 0;
4894                                         return (0);
4895                                 }
4896                                 *quirk |= 1 << (i-1);
4897                                 break;
4898                         }
4899                 }
4900                 if (i >= LENGTH(quirkname)) {
4901                         DNPRINTF(SWM_D_QUIRK,
4902                             "parsequirks: invalid quirk [%s]\n", name);
4903                         return (1);
4904                 }
4905         }
4906         return (0);
4907 }
4908
4909 void
4910 setquirk(const char *class, const char *name, const int quirk)
4911 {
4912         int                     i, j;
4913
4914         /* find existing */
4915         for (i = 0; i < quirks_length; i++) {
4916                 if (!strcmp(quirks[i].class, class) &&
4917                     !strcmp(quirks[i].name, name)) {
4918                         if (!quirk) {
4919                                 /* found: delete */
4920                                 DNPRINTF(SWM_D_QUIRK,
4921                                     "setquirk: delete #%d %s:%s\n",
4922                                     i, quirks[i].class, quirks[i].name);
4923                                 free(quirks[i].class);
4924                                 free(quirks[i].name);
4925                                 j = quirks_length - 1;
4926                                 if (i < j)
4927                                         quirks[i] = quirks[j];
4928                                 quirks_length--;
4929                                 return;
4930                         } else {
4931                                 /* found: replace */
4932                                 DNPRINTF(SWM_D_QUIRK,
4933                                     "setquirk: replace #%d %s:%s\n",
4934                                     i, quirks[i].class, quirks[i].name);
4935                                 free(quirks[i].class);
4936                                 free(quirks[i].name);
4937                                 quirks[i].class = strdup(class);
4938                                 quirks[i].name = strdup(name);
4939                                 quirks[i].quirk = quirk;
4940                                 return;
4941                         }
4942                 }
4943         }
4944         if (!quirk) {
4945                 fprintf(stderr,
4946                     "error: setquirk: cannot find class/name combination");
4947                 return;
4948         }
4949         /* not found: add */
4950         if (quirks_size == 0 || quirks == NULL) {
4951                 quirks_size = 4;
4952                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4953                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4954                 if (quirks == NULL) {
4955                         fprintf(stderr, "setquirk: malloc failed\n");
4956                         perror(" failed");
4957                         quit(NULL, NULL);
4958                 }
4959         } else if (quirks_length == quirks_size) {
4960                 quirks_size *= 2;
4961                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4962                 quirks = realloc(quirks,
4963                     (size_t)quirks_size * sizeof(struct quirk));
4964                 if (quirks == NULL) {
4965                         fprintf(stderr, "setquirk: realloc failed\n");
4966                         perror(" failed");
4967                         quit(NULL, NULL);
4968                 }
4969         }
4970         if (quirks_length < quirks_size) {
4971                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4972                 j = quirks_length++;
4973                 quirks[j].class = strdup(class);
4974                 quirks[j].name = strdup(name);
4975                 quirks[j].quirk = quirk;
4976         } else {
4977                 fprintf(stderr, "quirks array problem?\n");
4978                 if (quirks == NULL) {
4979                         fprintf(stderr, "quirks array problem!\n");
4980                         quit(NULL, NULL);
4981                 }
4982         }
4983 }
4984
4985 int
4986 setconfquirk(char *selector, char *value, int flags)
4987 {
4988         char                    *cp, *class, *name;
4989         int                     retval;
4990         unsigned long           quirks;
4991         if (selector == NULL)
4992                 return (0);
4993         if ((cp = strchr(selector, ':')) == NULL)
4994                 return (0);
4995         *cp = '\0';
4996         class = selector;
4997         name = cp + 1;
4998         if ((retval = parsequirks(value, &quirks)) == 0)
4999                 setquirk(class, name, quirks);
5000         return (retval);
5001 }
5002
5003 void
5004 setup_quirks(void)
5005 {
5006         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5007         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5008         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5009         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5010         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5011         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5012         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5013         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5014         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5015         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5016         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5017         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5018         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5019 }
5020
5021 /* conf file stuff */
5022 #define SWM_CONF_FILE   "scrotwm.conf"
5023
5024 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5025           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5026           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5027           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5028           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5029           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5030           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5031           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5032           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5033         };
5034
5035 int
5036 setconfvalue(char *selector, char *value, int flags)
5037 {
5038         int     i;
5039
5040         switch (flags) {
5041         case SWM_S_BAR_DELAY:
5042                 bar_delay = atoi(value);
5043                 break;
5044         case SWM_S_BAR_ENABLED:
5045                 bar_enabled = atoi(value);
5046                 break;
5047         case SWM_S_BAR_BORDER_WIDTH:
5048                 bar_border_width = atoi(value);
5049                 break;
5050         case SWM_S_BAR_AT_BOTTOM:
5051                 bar_at_bottom = atoi(value);
5052                 break;
5053         case SWM_S_BAR_JUSTIFY:
5054                 if (!strcmp(value, "left"))
5055                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5056                 else if (!strcmp(value, "center"))
5057                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5058                 else if (!strcmp(value, "right"))
5059                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5060                 else
5061                         errx(1, "invalid bar_justify");
5062                 break;
5063         case SWM_S_STACK_ENABLED:
5064                 stack_enabled = atoi(value);
5065                 break;
5066         case SWM_S_CLOCK_ENABLED:
5067                 clock_enabled = atoi(value);
5068                 break;
5069         case SWM_S_CLOCK_FORMAT:
5070 #ifndef SWM_DENY_CLOCK_FORMAT
5071                 free(clock_format);
5072                 if ((clock_format = strdup(value)) == NULL)
5073                         err(1, "setconfvalue: clock_format");
5074 #endif
5075                 break;
5076         case SWM_S_CYCLE_EMPTY:
5077                 cycle_empty = atoi(value);
5078                 break;
5079         case SWM_S_CYCLE_VISIBLE:
5080                 cycle_visible = atoi(value);
5081                 break;
5082         case SWM_S_SS_ENABLED:
5083                 ss_enabled = atoi(value);
5084                 break;
5085         case SWM_S_TERM_WIDTH:
5086                 term_width = atoi(value);
5087                 break;
5088         case SWM_S_TITLE_CLASS_ENABLED:
5089                 title_class_enabled = atoi(value);
5090                 break;
5091         case SWM_S_WINDOW_NAME_ENABLED:
5092                 window_name_enabled = atoi(value);
5093                 break;
5094         case SWM_S_TITLE_NAME_ENABLED:
5095                 title_name_enabled = atoi(value);
5096                 break;
5097         case SWM_S_URGENT_ENABLED:
5098                 urgent_enabled = atoi(value);
5099                 break;
5100         case SWM_S_FOCUS_MODE:
5101                 if (!strcmp(value, "default"))
5102                         focus_mode = SWM_FOCUS_DEFAULT;
5103                 else if (!strcmp(value, "follow_cursor"))
5104                         focus_mode = SWM_FOCUS_FOLLOW;
5105                 else if (!strcmp(value, "synergy"))
5106                         focus_mode = SWM_FOCUS_SYNERGY;
5107                 else
5108                         errx(1, "focus_mode");
5109                 break;
5110         case SWM_S_DISABLE_BORDER:
5111                 disable_border = atoi(value);
5112                 break;
5113         case SWM_S_BORDER_WIDTH:
5114                 border_width = atoi(value);
5115                 break;
5116         case SWM_S_BAR_FONT:
5117                 free(bar_fonts[0]);
5118                 if ((bar_fonts[0] = strdup(value)) == NULL)
5119                         err(1, "setconfvalue: bar_font");
5120                 break;
5121         case SWM_S_BAR_ACTION:
5122                 free(bar_argv[0]);
5123                 if ((bar_argv[0] = strdup(value)) == NULL)
5124                         err(1, "setconfvalue: bar_action");
5125                 break;
5126         case SWM_S_SPAWN_TERM:
5127                 free(spawn_term[0]);
5128                 if ((spawn_term[0] = strdup(value)) == NULL)
5129                         err(1, "setconfvalue: spawn_term");
5130                 break;
5131         case SWM_S_SS_APP:
5132                 break;
5133         case SWM_S_DIALOG_RATIO:
5134                 dialog_ratio = atof(value);
5135                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5136                         dialog_ratio = .6;
5137                 break;
5138         case SWM_S_VERBOSE_LAYOUT:
5139                 verbose_layout = atoi(value);
5140                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5141                         if (verbose_layout)
5142                                 layouts[i].l_string = fancy_stacker;
5143                         else
5144                                 layouts[i].l_string = plain_stacker;
5145                 }
5146                 break;
5147         default:
5148                 return (1);
5149         }
5150         return (0);
5151 }
5152
5153 int
5154 setconfmodkey(char *selector, char *value, int flags)
5155 {
5156         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5157                 update_modkey(Mod1Mask);
5158         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5159                 update_modkey(Mod2Mask);
5160         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5161                 update_modkey(Mod3Mask);
5162         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5163                 update_modkey(Mod4Mask);
5164         else
5165                 return (1);
5166         return (0);
5167 }
5168
5169 int
5170 setconfcolor(char *selector, char *value, int flags)
5171 {
5172         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5173         return (0);
5174 }
5175
5176 int
5177 setconfregion(char *selector, char *value, int flags)
5178 {
5179         custom_region(value);
5180         return (0);
5181 }
5182
5183 int
5184 setautorun(char *selector, char *value, int flags)
5185 {
5186         int                     ws_id;
5187         char                    s[1024];
5188         char                    *ap, *sp = s;
5189         union arg               a;
5190         int                     argc = 0;
5191         long                    pid;
5192         struct pid_e            *p;
5193
5194         if (getenv("SWM_STARTED"))
5195                 return (0);
5196
5197         bzero(s, sizeof s);
5198         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5199                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5200         ws_id--;
5201         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5202                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5203
5204         /*
5205          * This is a little intricate
5206          *
5207          * If the pid already exists we simply reuse it because it means it was
5208          * used before AND not claimed by manage_window.  We get away with
5209          * altering it in the parent after INSERT because this can not be a race
5210          */
5211         a.argv = NULL;
5212         while ((ap = strsep(&sp, " \t")) != NULL) {
5213                 if (*ap == '\0')
5214                         continue;
5215                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5216                 argc++;
5217                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5218                         err(1, "setautorun: realloc");
5219                 a.argv[argc - 1] = ap;
5220         }
5221
5222         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5223                 err(1, "setautorun: realloc");
5224         a.argv[argc] = NULL;
5225
5226         if ((pid = fork()) == 0) {
5227                 spawn(ws_id, &a, 1);
5228                 /* NOTREACHED */
5229                 _exit(1);
5230         }
5231         free(a.argv);
5232
5233         /* parent */
5234         p = find_pid(pid);
5235         if (p == NULL) {
5236                 p = calloc(1, sizeof *p);
5237                 if (p == NULL)
5238                         return (1);
5239                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5240         }
5241
5242         p->pid = pid;
5243         p->ws = ws_id;
5244
5245         return (0);
5246 }
5247
5248 int
5249 setlayout(char *selector, char *value, int flags)
5250 {
5251         int                     ws_id, i, x, mg, ma, si, raise;
5252         int                     st = SWM_V_STACK;
5253         char                    s[1024];
5254         struct workspace        *ws;
5255
5256         if (getenv("SWM_STARTED"))
5257                 return (0);
5258
5259         bzero(s, sizeof s);
5260         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5261             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5262                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5263                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5264                     "<type>'");
5265         ws_id--;
5266         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5267                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5268
5269         if (!strcasecmp(s, "vertical"))
5270                 st = SWM_V_STACK;
5271         else if (!strcasecmp(s, "horizontal"))
5272                 st = SWM_H_STACK;
5273         else if (!strcasecmp(s, "fullscreen"))
5274                 st = SWM_MAX_STACK;
5275         else
5276                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5277                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5278                     "<type>'");
5279
5280         for (i = 0; i < ScreenCount(display); i++) {
5281                 ws = (struct workspace *)&screens[i].ws;
5282                 ws[ws_id].cur_layout = &layouts[st];
5283
5284                 ws[ws_id].always_raise = raise;
5285                 if (st == SWM_MAX_STACK)
5286                         continue;
5287
5288                 /* master grow */
5289                 for (x = 0; x < abs(mg); x++) {
5290                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5291                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5292                             SWM_ARG_ID_MASTERSHRINK);
5293                         stack();
5294                 }
5295                 /* master add */
5296                 for (x = 0; x < abs(ma); x++) {
5297                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5298                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5299                             SWM_ARG_ID_MASTERDEL);
5300                         stack();
5301                 }
5302                 /* stack inc */
5303                 for (x = 0; x < abs(si); x++) {
5304                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5305                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5306                             SWM_ARG_ID_STACKDEC);
5307                         stack();
5308                 }
5309         }
5310
5311         return (0);
5312 }
5313
5314 /* config options */
5315 struct config_option {
5316         char                    *optname;
5317         int                     (*func)(char*, char*, int);
5318         int                     funcflags;
5319 };
5320 struct config_option configopt[] = {
5321         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5322         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5323         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5324         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5325         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5326         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5327         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5328         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5329         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5330         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5331         { "keyboard_mapping",           setkeymapping,  0 },
5332         { "bind",                       setconfbinding, 0 },
5333         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5334         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5335         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5336         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5337         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5338         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5339         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5340         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5341         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5342         { "modkey",                     setconfmodkey,  0 },
5343         { "program",                    setconfspawn,   0 },
5344         { "quirk",                      setconfquirk,   0 },
5345         { "region",                     setconfregion,  0 },
5346         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5347         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5348         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5349         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5350         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5351         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5352         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5353         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5354         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5355         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5356         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5357         { "autorun",                    setautorun,     0 },
5358         { "layout",                     setlayout,      0 },
5359 };
5360
5361
5362 int
5363 conf_load(char *filename, int keymapping)
5364 {
5365         FILE                    *config;
5366         char                    *line, *cp, *optsub, *optval;
5367         size_t                  linelen, lineno = 0;
5368         int                     wordlen, i, optind;
5369         struct config_option    *opt;
5370
5371         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
5372
5373         if (filename == NULL) {
5374                 fprintf(stderr, "conf_load: no filename\n");
5375                 return (1);
5376         }
5377         if ((config = fopen(filename, "r")) == NULL) {
5378                 warn("conf_load: fopen: %s", filename);
5379                 return (1);
5380         }
5381
5382         while (!feof(config)) {
5383                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5384                     == NULL) {
5385                         if (ferror(config))
5386                                 err(1, "%s", filename);
5387                         else
5388                                 continue;
5389                 }
5390                 cp = line;
5391                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5392                 if (cp[0] == '\0') {
5393                         /* empty line */
5394                         free(line);
5395                         continue;
5396                 }
5397                 /* get config option */
5398                 wordlen = strcspn(cp, "=[ \t\n");
5399                 if (wordlen == 0) {
5400                         warnx("%s: line %zd: no option found",
5401                             filename, lineno);
5402                         return (1);
5403                 }
5404                 optind = -1;
5405                 for (i = 0; i < LENGTH(configopt); i++) {
5406                         opt = &configopt[i];
5407                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5408                             strlen(opt->optname) == wordlen) {
5409                                 optind = i;
5410                                 break;
5411                         }
5412                 }
5413                 if (optind == -1) {
5414                         warnx("%s: line %zd: unknown option %.*s",
5415                             filename, lineno, wordlen, cp);
5416                         return (1);
5417                 }
5418                 if (keymapping && strcmp(opt->optname, "bind")) {
5419                         warnx("%s: line %zd: invalid option %.*s",
5420                             filename, lineno, wordlen, cp);
5421                         return (1);
5422                 }
5423                 cp += wordlen;
5424                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5425                 /* get [selector] if any */
5426                 optsub = NULL;
5427                 if (*cp == '[') {
5428                         cp++;
5429                         wordlen = strcspn(cp, "]");
5430                         if (*cp != ']') {
5431                                 if (wordlen == 0) {
5432                                         warnx("%s: line %zd: syntax error",
5433                                             filename, lineno);
5434                                         return (1);
5435                                 }
5436                                 asprintf(&optsub, "%.*s", wordlen, cp);
5437                         }
5438                         cp += wordlen;
5439                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5440                 }
5441                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5442                 /* get RHS value */
5443                 optval = strdup(cp);
5444                 /* call function to deal with it all */
5445                 if (configopt[optind].func(optsub, optval,
5446                     configopt[optind].funcflags) != 0) {
5447                         fprintf(stderr, "%s line %zd: %s\n",
5448                             filename, lineno, line);
5449                         errx(1, "%s: line %zd: invalid data for %s",
5450                             filename, lineno, configopt[optind].optname);
5451                 }
5452                 free(optval);
5453                 free(optsub);
5454                 free(line);
5455         }
5456
5457         fclose(config);
5458         DNPRINTF(SWM_D_CONF, "conf_load end\n");
5459
5460         return (0);
5461 }
5462
5463 void
5464 set_child_transient(struct ws_win *win, Window *trans)
5465 {
5466         struct ws_win           *parent, *w;
5467         XWMHints                *wmh = NULL;
5468         struct swm_region       *r;
5469         struct workspace        *ws;
5470
5471         parent = find_window(win->transient);
5472         if (parent)
5473                 parent->child_trans = win;
5474         else {
5475                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5476                     " for %lu trans %lu\n", win->id, win->transient);
5477
5478                 if (win->hints == NULL) {
5479                         fprintf(stderr, "no hints for %lu\n", win->id);
5480                         return;
5481                 }
5482
5483                 r = root_to_region(win->wa.root);
5484                 ws = r->ws;
5485                 /* parent doen't exist in our window list */
5486                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5487                         if (wmh)
5488                                 XFree(wmh);
5489
5490                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5491                                 fprintf(stderr, "can't get hints for %lu\n",
5492                                     w->id);
5493                                 continue;
5494                         }
5495
5496                         if (win->hints->window_group != wmh->window_group)
5497                                 continue;
5498
5499                         w->child_trans = win;
5500                         win->transient = w->id;
5501                         *trans = w->id;
5502                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5503                             "transient to %lu\n", win->transient);
5504                         break;
5505                 }
5506         }
5507
5508         if (wmh)
5509                 XFree(wmh);
5510 }
5511
5512 long
5513 window_get_pid(Window win)
5514 {
5515         Atom                    actual_type_return;
5516         int                     actual_format_return = 0;
5517         unsigned long           nitems_return = 0;
5518         unsigned long           bytes_after_return = 0;
5519         long                    *pid = NULL;
5520         long                    ret = 0;
5521         const char              *errstr;
5522         unsigned char           *prop = NULL;
5523
5524         if (XGetWindowProperty(display, win,
5525             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5526             XA_CARDINAL, &actual_type_return, &actual_format_return,
5527             &nitems_return, &bytes_after_return,
5528             (unsigned char**)(void*)&pid) != Success)
5529                 goto tryharder;
5530         if (actual_type_return != XA_CARDINAL)
5531                 goto tryharder;
5532         if (pid == NULL)
5533                 goto tryharder;
5534
5535         ret = *pid;
5536         XFree(pid);
5537
5538         return (ret);
5539
5540 tryharder:
5541         if (XGetWindowProperty(display, win,
5542             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5543             XA_STRING, &actual_type_return, &actual_format_return,
5544             &nitems_return, &bytes_after_return, &prop) != Success)
5545                 return (0);
5546         if (actual_type_return != XA_STRING)
5547                 return (0);
5548         if (prop == NULL)
5549                 return (0);
5550
5551         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5552         /* ignore error because strtonum returns 0 anyway */
5553         XFree(prop);
5554
5555         return (ret);
5556 }
5557
5558 struct ws_win *
5559 manage_window(Window id)
5560 {
5561         Window                  trans = 0;
5562         struct workspace        *ws;
5563         struct ws_win           *win, *ww;
5564         int                     format, i, ws_idx, n, border_me = 0;
5565         unsigned long           nitems, bytes;
5566         Atom                    ws_idx_atom = 0, type;
5567         Atom                    *prot = NULL, *pp;
5568         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5569         struct swm_region       *r;
5570         long                    mask;
5571         const char              *errstr;
5572         XWindowChanges          wc;
5573         struct pid_e            *p;
5574
5575         if ((win = find_window(id)) != NULL)
5576                 return (win);   /* already being managed */
5577
5578         /* see if we are on the unmanaged list */
5579         if ((win = find_unmanaged_window(id)) != NULL) {
5580                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
5581                     "%lu\n", win->id);
5582                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5583                 if (win->transient) {
5584                         set_child_transient(win, &trans);
5585                 } if (trans && (ww = find_window(trans)))
5586                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5587                 else
5588                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5589                 ewmh_update_actions(win);
5590                 return (win);
5591         }
5592
5593         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5594                 err(1, "calloc: failed to allocate memory for new window");
5595
5596         win->id = id;
5597
5598         /* see if we need to override the workspace */
5599         p = find_pid(window_get_pid(id));
5600
5601         /* Get all the window data in one shot */
5602         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5603         if (ws_idx_atom) {
5604                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5605                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5606         }
5607         XGetWindowAttributes(display, id, &win->wa);
5608         XGetWMNormalHints(display, id, &win->sh, &mask);
5609         win->hints = XGetWMHints(display, id);
5610         XGetTransientForHint(display, id, &trans);
5611         if (trans) {
5612                 win->transient = trans;
5613                 set_child_transient(win, &trans);
5614                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
5615                     win->id, win->transient);
5616         }
5617
5618         /* get supported protocols */
5619         if (XGetWMProtocols(display, id, &prot, &n)) {
5620                 for (i = 0, pp = prot; i < n; i++, pp++) {
5621                         if (*pp == takefocus)
5622                                 win->take_focus = 1;
5623                         if (*pp == adelete)
5624                                 win->can_delete = 1;
5625                 }
5626                 if (prot)
5627                         XFree(prot);
5628         }
5629
5630         win->iconic = get_iconic(win);
5631
5632         /*
5633          * Figure out where to put the window. If it was previously assigned to
5634          * a workspace (either by spawn() or manually moving), and isn't
5635          * transient, * put it in the same workspace
5636          */
5637         r = root_to_region(win->wa.root);
5638         if (p) {
5639                 ws = &r->s->ws[p->ws];
5640                 TAILQ_REMOVE(&pidlist, p, entry);
5641                 free(p);
5642                 p = NULL;
5643         } else if (prop && win->transient == 0) {
5644                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
5645                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5646                 if (errstr) {
5647                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
5648                             errstr, prop);
5649                 }
5650                 ws = &r->s->ws[ws_idx];
5651         } else {
5652                 ws = r->ws;
5653                 /* this should launch transients in the same ws as parent */
5654                 if (id && trans)
5655                         if ((ww = find_window(trans)) != NULL)
5656                                 if (ws->r) {
5657                                         ws = ww->ws;
5658                                         if (ww->ws->r)
5659                                                 r = ww->ws->r;
5660                                         else
5661                                                 fprintf(stderr,
5662                                                     "fix this bug mcbride\n");
5663                                         border_me = 1;
5664                                 }
5665         }
5666
5667         /* set up the window layout */
5668         win->id = id;
5669         win->ws = ws;
5670         win->s = r->s;  /* this never changes */
5671         if (trans && (ww = find_window(trans)))
5672                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5673         else
5674                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5675
5676         win->g.w = win->wa.width;
5677         win->g.h = win->wa.height;
5678         win->g.x = win->wa.x;
5679         win->g.y = win->wa.y;
5680         win->g_floatvalid = 0;
5681         win->floatmaxed = 0;
5682         win->ewmh_flags = 0;
5683
5684         /* Set window properties so we can remember this after reincarnation */
5685         if (ws_idx_atom && prop == NULL &&
5686             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5687                 SWM_PROPLEN) {
5688                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
5689                     ws_idx_str);
5690                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5691                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5692         }
5693         if (prop)
5694                 XFree(prop);
5695
5696         ewmh_autoquirk(win);
5697
5698         if (XGetClassHint(display, win->id, &win->ch)) {
5699                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
5700                     win->ch.res_class, win->ch.res_name);
5701
5702                 /* java is retarded so treat it special */
5703                 if (strstr(win->ch.res_name, "sun-awt")) {
5704                         win->java = 1;
5705                         border_me = 1;
5706                 }
5707
5708                 for (i = 0; i < quirks_length; i++){
5709                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5710                             !strcmp(win->ch.res_name, quirks[i].name)) {
5711                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
5712                                     win->ch.res_class, win->ch.res_name);
5713                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5714                                         win->floating = 1;
5715                                         border_me = 1;
5716                                 }
5717                                 win->quirks = quirks[i].quirk;
5718                         }
5719                 }
5720         }
5721
5722         /* alter window position if quirky */
5723         if (win->quirks & SWM_Q_ANYWHERE) {
5724                 win->manual = 1; /* don't center the quirky windows */
5725                 bzero(&wc, sizeof wc);
5726                 mask = 0;
5727                 if (bar_enabled && win->g.y < bar_height) {
5728                         win->g.y = wc.y = bar_height;
5729                         mask |= CWY;
5730                 }
5731                 if (win->g.w + win->g.x > WIDTH(r)) {
5732                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
5733                         mask |= CWX;
5734                 }
5735                 border_me = 1;
5736         }
5737
5738         /* Reset font sizes (the bruteforce way; no default keybinding). */
5739         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5740                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5741                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5742                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5743                         fake_keypress(win, XK_KP_Add, ShiftMask);
5744         }
5745
5746         ewmh_get_win_state(win);
5747         ewmh_update_actions(win);
5748         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5749
5750         /* border me */
5751         if (border_me) {
5752                 bzero(&wc, sizeof wc);
5753                 wc.border_width = border_width;
5754                 mask = CWBorderWidth;
5755                 XConfigureWindow(display, win->id, mask, &wc);
5756         }
5757
5758         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5759             PropertyChangeMask | StructureNotifyMask);
5760
5761         /* floaters need to be mapped if they are in the current workspace */
5762         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5763                 XMapRaised(display, win->id);
5764
5765         return (win);
5766 }
5767
5768 void
5769 free_window(struct ws_win *win)
5770 {
5771         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5772
5773         if (win == NULL)
5774                 return;
5775
5776         /* needed for restart wm */
5777         set_win_state(win, WithdrawnState);
5778
5779         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5780
5781         if (win->ch.res_class)
5782                 XFree(win->ch.res_class);
5783         if (win->ch.res_name)
5784                 XFree(win->ch.res_name);
5785
5786         kill_refs(win);
5787
5788         /* paint memory */
5789         memset(win, 0xff, sizeof *win); /* XXX kill later */
5790
5791         free(win);
5792 }
5793
5794 void
5795 unmanage_window(struct ws_win *win)
5796 {
5797         struct ws_win           *parent;
5798
5799         if (win == NULL)
5800                 return;
5801
5802         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5803
5804         if (win->transient) {
5805                 parent = find_window(win->transient);
5806                 if (parent)
5807                         parent->child_trans = NULL;
5808         }
5809
5810         /* focus on root just in case */
5811         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5812
5813         focus_prev(win);
5814
5815         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5816         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5817
5818         kill_refs(win);
5819 }
5820
5821 void
5822 focus_magic(struct ws_win *win)
5823 {
5824         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5825
5826         if (win == NULL)
5827                 return;
5828
5829         if (win->child_trans) {
5830                 /* win = parent & has a transient so focus on that */
5831                 if (win->java) {
5832                         focus_win(win->child_trans);
5833                         if (win->child_trans->take_focus)
5834                                 client_msg(win, takefocus);
5835                 } else {
5836                         /* make sure transient hasn't dissapeared */
5837                         if (validate_win(win->child_trans) == 0) {
5838                                 focus_win(win->child_trans);
5839                                 if (win->child_trans->take_focus)
5840                                         client_msg(win->child_trans, takefocus);
5841                         } else {
5842                                 win->child_trans = NULL;
5843                                 focus_win(win);
5844                                 if (win->take_focus)
5845                                         client_msg(win, takefocus);
5846                         }
5847                 }
5848         } else {
5849                 /* regular focus */
5850                 focus_win(win);
5851                 if (win->take_focus)
5852                         client_msg(win, takefocus);
5853         }
5854 }
5855
5856 void
5857 expose(XEvent *e)
5858 {
5859         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5860 }
5861
5862 void
5863 keypress(XEvent *e)
5864 {
5865         unsigned int            i;
5866         KeySym                  keysym;
5867         XKeyEvent               *ev = &e->xkey;
5868
5869         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5870
5871         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5872         for (i = 0; i < keys_length; i++)
5873                 if (keysym == keys[i].keysym
5874                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5875                     && keyfuncs[keys[i].funcid].func) {
5876                         if (keys[i].funcid == kf_spawn_custom)
5877                                 spawn_custom(
5878                                     root_to_region(ev->root),
5879                                     &(keyfuncs[keys[i].funcid].args),
5880                                     keys[i].spawn_name
5881                                     );
5882                         else
5883                                 keyfuncs[keys[i].funcid].func(
5884                                     root_to_region(ev->root),
5885                                     &(keyfuncs[keys[i].funcid].args)
5886                                     );
5887                 }
5888 }
5889
5890 void
5891 buttonpress(XEvent *e)
5892 {
5893         struct ws_win           *win;
5894         int                     i, action;
5895         XButtonPressedEvent     *ev = &e->xbutton;
5896
5897         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5898
5899         if ((win = find_window(ev->window)) == NULL)
5900                 return;
5901
5902         focus_magic(win);
5903         action = client_click;
5904
5905         for (i = 0; i < LENGTH(buttons); i++)
5906                 if (action == buttons[i].action && buttons[i].func &&
5907                     buttons[i].button == ev->button &&
5908                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5909                         buttons[i].func(win, &buttons[i].args);
5910 }
5911
5912 void
5913 configurerequest(XEvent *e)
5914 {
5915         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5916         struct ws_win           *win;
5917         int                     new = 0;
5918         XWindowChanges          wc;
5919
5920         if ((win = find_window(ev->window)) == NULL)
5921                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5922                         new = 1;
5923
5924         if (new) {
5925                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5926                     ev->window);
5927                 bzero(&wc, sizeof wc);
5928                 wc.x = ev->x;
5929                 wc.y = ev->y;
5930                 wc.width = ev->width;
5931                 wc.height = ev->height;
5932                 wc.border_width = ev->border_width;
5933                 wc.sibling = ev->above;
5934                 wc.stack_mode = ev->detail;
5935                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5936         } else {
5937                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5938                     ev->window);
5939                 config_win(win, ev);
5940         }
5941 }
5942
5943 void
5944 configurenotify(XEvent *e)
5945 {
5946         struct ws_win           *win;
5947         long                    mask;
5948
5949         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5950             e->xconfigure.window);
5951
5952         win = find_window(e->xconfigure.window);
5953         if (win) {
5954                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5955                 adjust_font(win);
5956                 if (font_adjusted)
5957                         stack();
5958                 if (focus_mode == SWM_FOCUS_DEFAULT)
5959                         drain_enter_notify();
5960         }
5961 }
5962
5963 void
5964 destroynotify(XEvent *e)
5965 {
5966         struct ws_win           *win;
5967         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5968
5969         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5970
5971         if ((win = find_window(ev->window)) == NULL) {
5972                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5973                         return;
5974                 free_window(win);
5975                 return;
5976         }
5977
5978         /* make sure we focus on something */
5979         win->floating = 0;
5980
5981         unmanage_window(win);
5982         stack();
5983         if (focus_mode == SWM_FOCUS_DEFAULT)
5984                 drain_enter_notify();
5985         free_window(win);
5986 }
5987
5988 void
5989 enternotify(XEvent *e)
5990 {
5991         XCrossingEvent          *ev = &e->xcrossing;
5992         XEvent                  cne;
5993         struct ws_win           *win;
5994 #if 0
5995         struct ws_win           *w;
5996         Window                  focus_return;
5997         int                     revert_to_return;
5998 #endif
5999         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
6000             "%lu subwindow %lu same_screen %d focus %d state %d\n",
6001             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
6002             ev->same_screen, ev->focus, ev->state);
6003
6004         switch (focus_mode) {
6005         case SWM_FOCUS_DEFAULT:
6006                 break;
6007         case SWM_FOCUS_FOLLOW:
6008                 break;
6009         case SWM_FOCUS_SYNERGY:
6010 #if 0
6011         /*
6012          * all these checks need to be in this order because the
6013          * XCheckTypedWindowEvent relies on weeding out the previous events
6014          *
6015          * making this code an option would enable a follow mouse for focus
6016          * feature
6017          */
6018
6019         /*
6020          * state is set when we are switching workspaces and focus is set when
6021          * the window or a subwindow already has focus (occurs during restart).
6022          *
6023          * Only honor the focus flag if last_focus_event is not FocusOut,
6024          * this allows scrotwm to continue to control focus when another
6025          * program is also playing with it.
6026          */
6027         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6028                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6029                 return;
6030         }
6031
6032         /*
6033          * happens when a window is created or destroyed and the border
6034          * crosses the mouse pointer and when switching ws
6035          *
6036          * we need the subwindow test to see if we came from root in order
6037          * to give focus to floaters
6038          */
6039         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6040             ev->subwindow == 0) {
6041                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6042                 return;
6043         }
6044
6045         /* this window already has focus */
6046         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6047                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6048                 return;
6049         }
6050
6051         /* this window is being deleted or moved to another ws */
6052         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6053             &cne) == True) {
6054                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6055                 XPutBackEvent(display, &cne);
6056                 return;
6057         }
6058
6059         if ((win = find_window(ev->window)) == NULL) {
6060                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6061                 return;
6062         }
6063
6064         /*
6065          * In fullstack kill all enters unless they come from a different ws
6066          * (i.e. another region) or focus has been grabbed externally.
6067          */
6068         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6069             last_focus_event != FocusOut) {
6070                 XGetInputFocus(display, &focus_return, &revert_to_return);
6071                 if ((w = find_window(focus_return)) == NULL ||
6072                     w->ws == win->ws) {
6073                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6074                         return;
6075                 }
6076         }
6077 #endif
6078                 break;
6079         }
6080
6081         if ((win = find_window(ev->window)) == NULL) {
6082                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6083                 return;
6084         }
6085
6086         /*
6087          * if we have more enternotifies let them handle it in due time
6088          */
6089         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6090                 DNPRINTF(SWM_D_EVENT,
6091                     "ignoring enternotify: got more enternotify\n");
6092                 XPutBackEvent(display, &cne);
6093                 return;
6094         }
6095
6096         focus_magic(win);
6097 }
6098
6099 /* lets us use one switch statement for arbitrary mode/detail combinations */
6100 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6101
6102 void
6103 focusevent(XEvent *e)
6104 {
6105 #if 0
6106         struct ws_win           *win;
6107         u_int32_t               mode_detail;
6108         XFocusChangeEvent       *ev = &e->xfocus;
6109
6110         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
6111             ev->type == FocusIn ? "entering" : "leaving",
6112             ev->window, ev->mode, ev->detail);
6113
6114         if (last_focus_event == ev->type) {
6115                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6116                 return;
6117         }
6118
6119         last_focus_event = ev->type;
6120         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6121
6122         switch (mode_detail) {
6123         /* synergy client focus operations */
6124         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6125         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6126
6127         /* synergy server focus operations */
6128         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6129
6130         /* Entering applications like rdesktop that mangle the pointer */
6131         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6132
6133                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6134                         XSetWindowBorder(display, win->id,
6135                             win->ws->r->s->c[ev->type == FocusIn ?
6136                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6137                 break;
6138         default:
6139                 fprintf(stderr, "ignoring focusevent\n");
6140                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6141                 break;
6142         }
6143 #endif
6144 }
6145
6146 void
6147 mapnotify(XEvent *e)
6148 {
6149         struct ws_win           *win;
6150         XMapEvent               *ev = &e->xmap;
6151
6152         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
6153
6154         win = manage_window(ev->window);
6155         if (win)
6156                 set_win_state(win, NormalState);
6157 }
6158
6159 void
6160 mappingnotify(XEvent *e)
6161 {
6162         XMappingEvent           *ev = &e->xmapping;
6163
6164         XRefreshKeyboardMapping(ev);
6165         if (ev->request == MappingKeyboard)
6166                 grabkeys();
6167 }
6168
6169 void
6170 maprequest(XEvent *e)
6171 {
6172         struct ws_win           *win;
6173         struct swm_region       *r;
6174         XWindowAttributes       wa;
6175         XMapRequestEvent        *ev = &e->xmaprequest;
6176
6177         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
6178             e->xmaprequest.window);
6179
6180         if (!XGetWindowAttributes(display, ev->window, &wa))
6181                 return;
6182         if (wa.override_redirect)
6183                 return;
6184
6185         win = manage_window(e->xmaprequest.window);
6186         if (win == NULL)
6187                 return; /* can't happen */
6188
6189         stack();
6190
6191         /* make new win focused */
6192         r = root_to_region(win->wa.root);
6193         if (win->ws == r->ws)
6194                 focus_magic(win);
6195 }
6196
6197 void
6198 propertynotify(XEvent *e)
6199 {
6200         struct ws_win           *win;
6201         XPropertyEvent          *ev = &e->xproperty;
6202
6203         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
6204             ev->window);
6205
6206         win = find_window(ev->window);
6207         if (win == NULL)
6208                 return;
6209
6210         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6211                 update_iconic(win, 0);
6212                 XMapRaised(display, win->id);
6213                 stack();
6214                 focus_win(win);
6215                 return;
6216         }
6217
6218         switch (ev->atom) {
6219 #if 0
6220         case XA_WM_NORMAL_HINTS:
6221                 long            mask;
6222                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6223                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
6224                 if (win->sh.flags & PMinSize) {
6225                         win->g.w = win->sh.min_width;
6226                         win->g.h = win->sh.min_height;
6227                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
6228                 }
6229                 XMoveResizeWindow(display, win->id,
6230                     win->g.x, win->g.y, win->g.w, win->g.h);
6231 #endif
6232         case XA_WM_CLASS:
6233                 if (title_name_enabled || title_class_enabled)
6234                         bar_update();
6235                 break;
6236         case XA_WM_NAME:
6237                 if (window_name_enabled)
6238                         bar_update();
6239                 break;
6240         default:
6241                 break;
6242         }
6243 }
6244
6245 void
6246 unmapnotify(XEvent *e)
6247 {
6248         struct ws_win           *win;
6249
6250         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
6251
6252         /* determine if we need to help unmanage this window */
6253         win = find_window(e->xunmap.window);
6254         if (win == NULL)
6255                 return;
6256
6257         if (getstate(e->xunmap.window) == NormalState) {
6258                 unmanage_window(win);
6259                 stack();
6260
6261                 /* giant hack for apps that don't destroy transient windows */
6262                 /* eat a bunch of events to prevent remanaging the window */
6263                 XEvent                  cne;
6264                 while (XCheckWindowEvent(display, e->xunmap.window,
6265                     EnterWindowMask, &cne))
6266                         ;
6267                 while (XCheckWindowEvent(display, e->xunmap.window,
6268                     StructureNotifyMask, &cne))
6269                         ;
6270                 while (XCheckWindowEvent(display, e->xunmap.window,
6271                     SubstructureNotifyMask, &cne))
6272                         ;
6273                 /* resend unmap because we ated it */
6274                 XUnmapWindow(display, e->xunmap.window);
6275         }
6276
6277         if (focus_mode == SWM_FOCUS_DEFAULT)
6278                 drain_enter_notify();
6279 }
6280
6281 void
6282 visibilitynotify(XEvent *e)
6283 {
6284         int                     i;
6285         struct swm_region       *r;
6286
6287         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
6288             e->xvisibility.window);
6289         if (e->xvisibility.state == VisibilityUnobscured)
6290                 for (i = 0; i < ScreenCount(display); i++)
6291                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6292                                 if (e->xvisibility.window == r->bar_window)
6293                                         bar_update();
6294 }
6295
6296 void
6297 clientmessage(XEvent *e)
6298 {
6299         XClientMessageEvent *ev;
6300         struct ws_win *win;
6301
6302         ev = &e->xclient;
6303
6304         win = find_window(ev->window);
6305         if (win == NULL)
6306                 return;
6307
6308         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
6309             ev->window, ev->message_type);
6310
6311         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6312                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
6313                 focus_win(win);
6314         }
6315         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6316                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
6317                 if (win->can_delete)
6318                         client_msg(win, adelete);
6319                 else
6320                         XKillClient(display, win->id);
6321         }
6322         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6323                 DNPRINTF(SWM_D_EVENT,
6324                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
6325                 if (win->floating) {
6326                         if (ev->data.l[0] & (1<<8)) /* x */
6327                                 win->g.x = ev->data.l[1];
6328                         if (ev->data.l[0] & (1<<9)) /* y */
6329                                 win->g.y = ev->data.l[2];
6330                         if (ev->data.l[0] & (1<<10)) /* width */
6331                                 win->g.w = ev->data.l[3];
6332                         if (ev->data.l[0] & (1<<11)) /* height */
6333                                 win->g.h = ev->data.l[4];
6334                 }
6335                 else {
6336                         /* TODO: Change stack sizes */
6337                 }
6338                 config_win(win, NULL);
6339         }
6340         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6341                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
6342                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6343                 if (ev->data.l[2])
6344                         ewmh_update_win_state(win, ev->data.l[2],
6345                             ev->data.l[0]);
6346
6347                 stack();
6348         }
6349 }
6350
6351 int
6352 xerror_start(Display *d, XErrorEvent *ee)
6353 {
6354         other_wm = 1;
6355         return (-1);
6356 }
6357
6358 int
6359 xerror(Display *d, XErrorEvent *ee)
6360 {
6361         /* fprintf(stderr, "error: %p %p\n", display, ee); */
6362         return (-1);
6363 }
6364
6365 int
6366 active_wm(void)
6367 {
6368         other_wm = 0;
6369         xerrorxlib = XSetErrorHandler(xerror_start);
6370
6371         /* this causes an error if some other window manager is running */
6372         XSelectInput(display, DefaultRootWindow(display),
6373             SubstructureRedirectMask);
6374         XSync(display, False);
6375         if (other_wm)
6376                 return (1);
6377
6378         XSetErrorHandler(xerror);
6379         XSync(display, False);
6380         return (0);
6381 }
6382
6383 void
6384 new_region(struct swm_screen *s, int x, int y, int w, int h)
6385 {
6386         struct swm_region       *r, *n;
6387         struct workspace        *ws = NULL;
6388         int                     i;
6389
6390         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6391              s->idx, w, h, x, y);
6392
6393         /* remove any conflicting regions */
6394         n = TAILQ_FIRST(&s->rl);
6395         while (n) {
6396                 r = n;
6397                 n = TAILQ_NEXT(r, entry);
6398                 if (X(r) < (x + w) &&
6399                     (X(r) + WIDTH(r)) > x &&
6400                     Y(r) < (y + h) &&
6401                     (Y(r) + HEIGHT(r)) > y) {
6402                         if (r->ws->r != NULL)
6403                                 r->ws->old_r = r->ws->r;
6404                         r->ws->r = NULL;
6405                         XDestroyWindow(display, r->bar_window);
6406                         TAILQ_REMOVE(&s->rl, r, entry);
6407                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6408                 }
6409         }
6410
6411         /* search old regions for one to reuse */
6412
6413         /* size + location match */
6414         TAILQ_FOREACH(r, &s->orl, entry)
6415                 if (X(r) == x && Y(r) == y &&
6416                     HEIGHT(r) == h && WIDTH(r) == w)
6417                         break;
6418
6419         /* size match */
6420         TAILQ_FOREACH(r, &s->orl, entry)
6421                 if (HEIGHT(r) == h && WIDTH(r) == w)
6422                         break;
6423
6424         if (r != NULL) {
6425                 TAILQ_REMOVE(&s->orl, r, entry);
6426                 /* try to use old region's workspace */
6427                 if (r->ws->r == NULL)
6428                         ws = r->ws;
6429         } else
6430                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6431                         err(1, "calloc: failed to allocate memory for screen");
6432
6433         /* if we don't have a workspace already, find one */
6434         if (ws == NULL) {
6435                 for (i = 0; i < SWM_WS_MAX; i++)
6436                         if (s->ws[i].r == NULL) {
6437                                 ws = &s->ws[i];
6438                                 break;
6439                         }
6440         }
6441
6442         if (ws == NULL)
6443                 errx(1, "no free workspaces");
6444
6445         X(r) = x;
6446         Y(r) = y;
6447         WIDTH(r) = w;
6448         HEIGHT(r) = h;
6449         r->s = s;
6450         r->ws = ws;
6451         r->ws_prior = NULL;
6452         ws->r = r;
6453         outputs++;
6454         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6455 }
6456
6457 void
6458 scan_xrandr(int i)
6459 {
6460 #ifdef SWM_XRR_HAS_CRTC
6461         XRRCrtcInfo             *ci;
6462         XRRScreenResources      *sr;
6463         int                     c;
6464         int                     ncrtc = 0;
6465 #endif /* SWM_XRR_HAS_CRTC */
6466         struct swm_region       *r;
6467
6468
6469         if (i >= ScreenCount(display))
6470                 errx(1, "invalid screen");
6471
6472         /* remove any old regions */
6473         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6474                 r->ws->old_r = r->ws->r = NULL;
6475                 XDestroyWindow(display, r->bar_window);
6476                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6477                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6478         }
6479         outputs = 0;
6480
6481         /* map virtual screens onto physical screens */
6482 #ifdef SWM_XRR_HAS_CRTC
6483         if (xrandr_support) {
6484                 sr = XRRGetScreenResources(display, screens[i].root);
6485                 if (sr == NULL)
6486                         new_region(&screens[i], 0, 0,
6487                             DisplayWidth(display, i),
6488                             DisplayHeight(display, i));
6489                 else
6490                         ncrtc = sr->ncrtc;
6491
6492                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6493                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6494                         if (ci->noutput == 0)
6495                                 continue;
6496
6497                         if (ci != NULL && ci->mode == None)
6498                                 new_region(&screens[i], 0, 0,
6499                                     DisplayWidth(display, i),
6500                                     DisplayHeight(display, i));
6501                         else
6502                                 new_region(&screens[i],
6503                                     ci->x, ci->y, ci->width, ci->height);
6504                 }
6505                 if (ci)
6506                         XRRFreeCrtcInfo(ci);
6507                 XRRFreeScreenResources(sr);
6508         } else
6509 #endif /* SWM_XRR_HAS_CRTC */
6510         {
6511                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6512                     DisplayHeight(display, i));
6513         }
6514 }
6515
6516 void
6517 screenchange(XEvent *e) {
6518         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6519         struct swm_region               *r;
6520         int                             i;
6521
6522         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
6523
6524         if (!XRRUpdateConfiguration(e))
6525                 return;
6526
6527         /* silly event doesn't include the screen index */
6528         for (i = 0; i < ScreenCount(display); i++)
6529                 if (screens[i].root == xe->root)
6530                         break;
6531         if (i >= ScreenCount(display))
6532                 errx(1, "screenchange: screen not found");
6533
6534         /* brute force for now, just re-enumerate the regions */
6535         scan_xrandr(i);
6536
6537         /* add bars to all regions */
6538         for (i = 0; i < ScreenCount(display); i++)
6539                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6540                         bar_setup(r);
6541         stack();
6542         if (focus_mode == SWM_FOCUS_DEFAULT)
6543                 drain_enter_notify();
6544 }
6545
6546 void
6547 grab_windows(void)
6548 {
6549         Window                  d1, d2, *wins = NULL;
6550         XWindowAttributes       wa;
6551         unsigned int            no;
6552         int                     i, j;
6553         long                    state, manage;
6554
6555         for (i = 0; i < ScreenCount(display); i++) {
6556                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6557                         continue;
6558
6559                 /* attach windows to a region */
6560                 /* normal windows */
6561                 for (j = 0; j < no; j++) {
6562                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6563                             wa.override_redirect ||
6564                             XGetTransientForHint(display, wins[j], &d1))
6565                                 continue;
6566
6567                         state = getstate(wins[j]);
6568                         manage = state == IconicState;
6569                         if (wa.map_state == IsViewable || manage)
6570                                 manage_window(wins[j]);
6571                 }
6572                 /* transient windows */
6573                 for (j = 0; j < no; j++) {
6574                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6575                             wa.override_redirect)
6576                                 continue;
6577
6578                         state = getstate(wins[j]);
6579                         manage = state == IconicState;
6580                         if (XGetTransientForHint(display, wins[j], &d1) &&
6581                             manage)
6582                                 manage_window(wins[j]);
6583                 }
6584                 if (wins) {
6585                         XFree(wins);
6586                         wins = NULL;
6587                 }
6588         }
6589 }
6590
6591 void
6592 setup_screens(void)
6593 {
6594         int                     i, j, k;
6595         int                     errorbase, major, minor;
6596         struct workspace        *ws;
6597
6598         if ((screens = calloc(ScreenCount(display),
6599              sizeof(struct swm_screen))) == NULL)
6600                 err(1, "calloc: screens");
6601
6602         /* initial Xrandr setup */
6603         xrandr_support = XRRQueryExtension(display,
6604             &xrandr_eventbase, &errorbase);
6605         if (xrandr_support)
6606                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6607                         xrandr_support = 0;
6608
6609         /* map physical screens */
6610         for (i = 0; i < ScreenCount(display); i++) {
6611                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
6612                 screens[i].idx = i;
6613                 TAILQ_INIT(&screens[i].rl);
6614                 TAILQ_INIT(&screens[i].orl);
6615                 screens[i].root = RootWindow(display, i);
6616
6617                 /* set default colors */
6618                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6619                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6620                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6621                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6622                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6623
6624                 /* set default cursor */
6625                 XDefineCursor(display, screens[i].root,
6626                     XCreateFontCursor(display, XC_left_ptr));
6627
6628                 /* init all workspaces */
6629                 /* XXX these should be dynamically allocated too */
6630                 for (j = 0; j < SWM_WS_MAX; j++) {
6631                         ws = &screens[i].ws[j];
6632                         ws->idx = j;
6633                         ws->name = NULL;
6634                         ws->focus = NULL;
6635                         ws->r = NULL;
6636                         ws->old_r = NULL;
6637                         TAILQ_INIT(&ws->winlist);
6638                         TAILQ_INIT(&ws->unmanagedlist);
6639
6640                         for (k = 0; layouts[k].l_stack != NULL; k++)
6641                                 if (layouts[k].l_config != NULL)
6642                                         layouts[k].l_config(ws,
6643                                             SWM_ARG_ID_STACKINIT);
6644                         ws->cur_layout = &layouts[0];
6645                         ws->cur_layout->l_string(ws);
6646                 }
6647
6648                 scan_xrandr(i);
6649
6650                 if (xrandr_support)
6651                         XRRSelectInput(display, screens[i].root,
6652                             RRScreenChangeNotifyMask);
6653         }
6654 }
6655
6656 void
6657 setup_globals(void)
6658 {
6659         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6660             == NULL)
6661                 err(1, "setup_globals: strdup");
6662         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6663             == NULL)
6664                 err(1, "setup_globals: strdup");
6665         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6666             == NULL)
6667                 err(1, "setup_globals: strdup");
6668         if ((spawn_term[0] = strdup("xterm")) == NULL)
6669                 err(1, "setup_globals: strdup");
6670         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6671                 err(1, "strdup");
6672 }
6673
6674 void
6675 workaround(void)
6676 {
6677         int                     i;
6678         Atom                    netwmcheck, netwmname, utf8_string;
6679         Window                  root, win;
6680
6681         /* work around sun jdk bugs, code from wmname */
6682         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6683         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6684         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6685         for (i = 0; i < ScreenCount(display); i++) {
6686                 root = screens[i].root;
6687                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6688                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6689                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6690
6691                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6692                     PropModeReplace, (unsigned char *)&win,1);
6693                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6694                     PropModeReplace, (unsigned char *)&win,1);
6695                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6696                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6697         }
6698 }
6699
6700 int
6701 main(int argc, char *argv[])
6702 {
6703         struct swm_region       *r, *rr;
6704         struct ws_win           *winfocus = NULL;
6705         struct timeval          tv;
6706         union arg               a;
6707         char                    conf[PATH_MAX], *cfile = NULL;
6708         struct stat             sb;
6709         XEvent                  e;
6710         int                     xfd, i;
6711         fd_set                  rd;
6712         struct sigaction        sact;
6713
6714         start_argv = argv;
6715         fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
6716             SCROTWM_VERSION, buildstr);
6717         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6718             !XSupportsLocale())
6719                 warnx("no locale support");
6720
6721         if (!(display = XOpenDisplay(0)))
6722                 errx(1, "can not open display");
6723
6724         if (active_wm())
6725                 errx(1, "other wm running");
6726
6727         /* handle some signals */
6728         bzero(&sact, sizeof(sact));
6729         sigemptyset(&sact.sa_mask);
6730         sact.sa_flags = 0;
6731         sact.sa_handler = sighdlr;
6732         sigaction(SIGINT, &sact, NULL);
6733         sigaction(SIGQUIT, &sact, NULL);
6734         sigaction(SIGTERM, &sact, NULL);
6735         sigaction(SIGHUP, &sact, NULL);
6736
6737         sact.sa_handler = sighdlr;
6738         sact.sa_flags = SA_NOCLDSTOP;
6739         sigaction(SIGCHLD, &sact, NULL);
6740
6741         astate = XInternAtom(display, "WM_STATE", False);
6742         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6743         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6744         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6745         a_wmname = XInternAtom(display, "WM_NAME", False);
6746         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6747         a_string = XInternAtom(display, "STRING", False);
6748         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6749
6750         /* look for local and global conf file */
6751         pwd = getpwuid(getuid());
6752         if (pwd == NULL)
6753                 errx(1, "invalid user %d", getuid());
6754
6755         setup_screens();
6756         setup_globals();
6757         setup_keys();
6758         setup_quirks();
6759         setup_spawn();
6760
6761         /* load config */
6762         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6763         if (stat(conf, &sb) != -1) {
6764                 if (S_ISREG(sb.st_mode))
6765                         cfile = conf;
6766         } else {
6767                 /* try global conf file */
6768                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6769                 if (!stat(conf, &sb))
6770                         if (S_ISREG(sb.st_mode))
6771                                 cfile = conf;
6772         }
6773         if (cfile)
6774                 conf_load(cfile, SWM_CONF_DEFAULT);
6775
6776         setup_ewmh();
6777         /* set some values to work around bad programs */
6778         workaround();
6779         /* grab existing windows (before we build the bars) */
6780         grab_windows();
6781
6782         if (getenv("SWM_STARTED") == NULL)
6783                 setenv("SWM_STARTED", "YES", 1);
6784
6785         /* setup all bars */
6786         for (i = 0; i < ScreenCount(display); i++)
6787                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6788                         if (winfocus == NULL)
6789                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6790                         bar_setup(r);
6791                 }
6792
6793         unfocus_all();
6794
6795         grabkeys();
6796         stack();
6797         if (focus_mode == SWM_FOCUS_DEFAULT)
6798                 drain_enter_notify();
6799
6800         xfd = ConnectionNumber(display);
6801         while (running) {
6802                 while (XPending(display)) {
6803                         XNextEvent(display, &e);
6804                         if (running == 0)
6805                                 goto done;
6806                         if (e.type < LASTEvent) {
6807                                 dumpevent(&e);
6808                                 if (handler[e.type])
6809                                         handler[e.type](&e);
6810                                 else
6811                                         DNPRINTF(SWM_D_EVENT,
6812                                             "win: %lu unknown event: %d\n",
6813                                             e.xany.window, e.type);
6814                         } else {
6815                                 switch (e.type - xrandr_eventbase) {
6816                                 case RRScreenChangeNotify:
6817                                         screenchange(&e);
6818                                         break;
6819                                 default:
6820                                         DNPRINTF(SWM_D_EVENT,
6821                                             "win: %lu unknown xrandr event: "
6822                                             "%d\n", e.xany.window, e.type);
6823                                         break;
6824                                 }
6825                         }
6826                 }
6827
6828                 /* if we are being restarted go focus on first window */
6829                 if (winfocus) {
6830                         rr = winfocus->ws->r;
6831                         if (rr == NULL) {
6832                                 /* not a visible window */
6833                                 winfocus = NULL;
6834                                 continue;
6835                         }
6836                         /* move pointer to first screen if multi screen */
6837                         if (ScreenCount(display) > 1 || outputs > 1)
6838                                 XWarpPointer(display, None, rr->s[0].root,
6839                                     0, 0, 0, 0, rr->g.x,
6840                                     rr->g.y + (bar_enabled ? bar_height : 0));
6841
6842                         a.id = SWM_ARG_ID_FOCUSCUR;
6843                         focus(rr, &a);
6844                         winfocus = NULL;
6845                         continue;
6846                 }
6847
6848                 FD_ZERO(&rd);
6849                 FD_SET(xfd, &rd);
6850                 tv.tv_sec = 1;
6851                 tv.tv_usec = 0;
6852                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6853                         if (errno != EINTR)
6854                                 DNPRINTF(SWM_D_MISC, "select failed");
6855                 if (restart_wm == 1)
6856                         restart(NULL, NULL);
6857                 if (search_resp == 1)
6858                         search_do_resp();
6859                 if (running == 0)
6860                         goto done;
6861                 if (bar_alarm) {
6862                         bar_alarm = 0;
6863                         bar_update();
6864                 }
6865         }
6866 done:
6867         teardown_ewmh();
6868         bar_extra_stop();
6869         XFreeGC(display, bar_gc);
6870         XCloseDisplay(display);
6871
6872         return (0);
6873 }