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
2450         if (!(r && r->ws))
2451                 return;
2452
2453         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2454
2455         /* treat FOCUS_CUR special */
2456         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2457                 if (r->ws->focus && r->ws->focus->iconic == 0)
2458                         winfocus = r->ws->focus;
2459                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2460                         winfocus = r->ws->focus_prev;
2461                 else
2462                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2463                                 if (winfocus->iconic == 0)
2464                                         break;
2465
2466                 focus_magic(winfocus);
2467                 return;
2468         }
2469
2470         if ((cur_focus = r->ws->focus) == NULL)
2471                 return;
2472         ws = r->ws;
2473         wl = &ws->winlist;
2474
2475         winlostfocus = cur_focus;
2476
2477         switch (args->id) {
2478         case SWM_ARG_ID_FOCUSPREV:
2479                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2480                 if (head == NULL)
2481                         head = TAILQ_LAST(wl, ws_win_list);
2482                 winfocus = head;
2483                 if (WINID(winfocus) == cur_focus->transient) {
2484                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2485                         if (head == NULL)
2486                                 head = TAILQ_LAST(wl, ws_win_list);
2487                         winfocus = head;
2488                 }
2489
2490                 /* skip iconics */
2491                 if (winfocus && winfocus->iconic) {
2492                         while (winfocus != cur_focus) {
2493                                 if (winfocus == NULL)
2494                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2495                                 if (winfocus->iconic == 0)
2496                                         break;
2497                                 winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
2498                         }
2499                 }
2500                 break;
2501
2502         case SWM_ARG_ID_FOCUSNEXT:
2503                 head = TAILQ_NEXT(cur_focus, entry);
2504                 if (head == NULL)
2505                         head = TAILQ_FIRST(wl);
2506                 winfocus = head;
2507
2508                 /* skip iconics */
2509                 if (winfocus && winfocus->iconic) {
2510                         while (winfocus != cur_focus) {
2511                                 if (winfocus == NULL)
2512                                         winfocus = TAILQ_FIRST(wl);
2513                                 if (winfocus->iconic == 0)
2514                                         break;
2515                                 winfocus = TAILQ_NEXT(winfocus, entry);
2516                         }
2517                 }
2518                 break;
2519
2520         case SWM_ARG_ID_FOCUSMAIN:
2521                 winfocus = TAILQ_FIRST(wl);
2522                 if (winfocus == cur_focus)
2523                         winfocus = cur_focus->ws->focus_prev;
2524                 break;
2525
2526         default:
2527                 return;
2528         }
2529         if (winfocus == winlostfocus || winfocus == NULL) {
2530                 /* update the bar so that title/class/name will be cleared. */
2531                 if (window_name_enabled || title_name_enabled || title_class_enabled)
2532                         bar_update();
2533
2534                 return;
2535         }
2536
2537         focus_magic(winfocus);
2538 }
2539
2540 void
2541 cycle_layout(struct swm_region *r, union arg *args)
2542 {
2543         struct workspace        *ws = r->ws;
2544         union arg               a;
2545
2546         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2547
2548         ws->cur_layout++;
2549         if (ws->cur_layout->l_stack == NULL)
2550                 ws->cur_layout = &layouts[0];
2551
2552         stack();
2553         if (focus_mode == SWM_FOCUS_DEFAULT)
2554                 drain_enter_notify();
2555         a.id = SWM_ARG_ID_FOCUSCUR;
2556         focus(r, &a);
2557         bar_update();
2558 }
2559
2560 void
2561 stack_config(struct swm_region *r, union arg *args)
2562 {
2563         struct workspace        *ws = r->ws;
2564
2565         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2566             args->id, ws->idx);
2567
2568         if (ws->cur_layout->l_config != NULL)
2569                 ws->cur_layout->l_config(ws, args->id);
2570
2571         if (args->id != SWM_ARG_ID_STACKINIT)
2572                 stack();
2573         bar_update();
2574 }
2575
2576 void
2577 stack(void) {
2578         struct swm_geometry     g;
2579         struct swm_region       *r;
2580         int                     i, j;
2581
2582         DNPRINTF(SWM_D_STACK, "stack\n");
2583
2584         for (i = 0; i < ScreenCount(display); i++) {
2585                 j = 0;
2586                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2587                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2588                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2589
2590                         /* start with screen geometry, adjust for bar */
2591                         g = r->g;
2592                         g.w -= 2 * border_width;
2593                         g.h -= 2 * border_width;
2594                         if (bar_enabled) {
2595                                 if (!bar_at_bottom)
2596                                         g.y += bar_height;
2597                                 g.h -= bar_height;
2598                         }
2599                         r->ws->cur_layout->l_stack(r->ws, &g);
2600                         r->ws->cur_layout->l_string(r->ws);
2601                         /* save r so we can track region changes */
2602                         r->ws->old_r = r;
2603                 }
2604         }
2605         if (font_adjusted)
2606                 font_adjusted--;
2607
2608         if (focus_mode == SWM_FOCUS_DEFAULT)
2609                 drain_enter_notify();
2610 }
2611
2612 void
2613 store_float_geom(struct ws_win *win, struct swm_region *r)
2614 {
2615         /* retain window geom and region geom */
2616         win->g_float.x = win->g.x;
2617         win->g_float.y = win->g.y;
2618         win->g_float.w = win->g.w;
2619         win->g_float.h = win->g.h;
2620         win->rg_float.x = r->g.x;
2621         win->rg_float.y = r->g.y;
2622         win->rg_float.w = r->g.w;
2623         win->rg_float.h = r->g.h;
2624         win->g_floatvalid = 1;
2625 }
2626
2627 void
2628 stack_floater(struct ws_win *win, struct swm_region *r)
2629 {
2630         unsigned int            mask;
2631         XWindowChanges          wc;
2632
2633         if (win == NULL)
2634                 return;
2635
2636         bzero(&wc, sizeof wc);
2637         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2638
2639         /*
2640          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2641          * geom on ws switches or return from max mode
2642          */
2643
2644         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2645             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2646                 /*
2647                  * use stored g and rg to set relative position and size
2648                  * as in old region or before max stack mode
2649                  */
2650                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2651                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2652                 win->g.w = win->g_float.w;
2653                 win->g.h = win->g_float.h;
2654                 win->g_floatvalid = 0;
2655         }
2656
2657         win->floatmaxed = 0;
2658
2659         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2660             (win->g.h >= HEIGHT(r)))
2661                 wc.border_width = 0;
2662         else
2663                 wc.border_width = border_width;
2664         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2665                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2666                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2667         }
2668
2669         if (!win->manual) {
2670                 /*
2671                  * floaters and transients are auto-centred unless moved
2672                  * or resized
2673                  */
2674                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2675                     2 - wc.border_width;
2676                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2677                     2 - wc.border_width;
2678         }
2679
2680         /* win can be outside r if new r smaller than old r */
2681         /* Ensure top left corner inside r (move probs otherwise) */
2682         if (win->g.x < r->g.x - wc.border_width)
2683                 win->g.x = r->g.x - wc.border_width;
2684         if (win->g.x > r->g.x + r->g.w - 1)
2685                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2686                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2687         if (win->g.y < r->g.y - wc.border_width)
2688                 win->g.y = r->g.y - wc.border_width;
2689         if (win->g.y > r->g.y + r->g.h - 1)
2690                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2691                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2692
2693         wc.x = win->g.x;
2694         wc.y = win->g.y;
2695         wc.width = win->g.w;
2696         wc.height = win->g.h;
2697
2698         /*
2699          * Retain floater and transient geometry for correct positioning
2700          * when ws changes region
2701          */
2702         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2703                 store_float_geom(win, r);
2704
2705         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2706             win->id, wc.x, wc.y, wc.width, wc.height);
2707
2708         XConfigureWindow(display, win->id, mask, &wc);
2709 }
2710
2711 /*
2712  * Send keystrokes to terminal to decrease/increase the font size as the
2713  * window size changes.
2714  */
2715 void
2716 adjust_font(struct ws_win *win)
2717 {
2718         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2719             win->floating || win->transient)
2720                 return;
2721
2722         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2723             win->g.w / win->sh.width_inc < term_width &&
2724             win->font_steps < SWM_MAX_FONT_STEPS) {
2725                 win->font_size_boundary[win->font_steps] =
2726                     (win->sh.width_inc * term_width) + win->sh.base_width;
2727                 win->font_steps++;
2728                 font_adjusted++;
2729                 win->last_inc = win->sh.width_inc;
2730                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2731         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2732             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2733                 win->font_steps--;
2734                 font_adjusted++;
2735                 win->last_inc = win->sh.width_inc;
2736                 fake_keypress(win, XK_KP_Add, ShiftMask);
2737         }
2738 }
2739
2740 #define SWAPXY(g)       do {                            \
2741         int tmp;                                        \
2742         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2743         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2744 } while (0)
2745 void
2746 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2747 {
2748         XWindowChanges          wc;
2749         XWindowAttributes       wa;
2750         struct swm_geometry     win_g, r_g = *g;
2751         struct ws_win           *win, *fs_win = 0;
2752         int                     i, j, s, stacks;
2753         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2754         int                     hrh, extra = 0, h_slice, last_h = 0;
2755         int                     split, colno, winno, mwin, msize, mscale;
2756         int                     remain, missing, v_slice, reconfigure;
2757         unsigned int            mask;
2758
2759         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2760             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2761
2762         winno = count_win(ws, 0);
2763         if (winno == 0 && count_win(ws, 1) == 0)
2764                 return;
2765
2766         TAILQ_FOREACH(win, &ws->winlist, entry)
2767                 if (win->transient == 0 && win->floating == 0
2768                     && win->iconic == 0)
2769                         break;
2770
2771         if (win == NULL)
2772                 goto notiles;
2773
2774         if (rot) {
2775                 w_inc = win->sh.width_inc;
2776                 w_base = win->sh.base_width;
2777                 mwin = ws->l_state.horizontal_mwin;
2778                 mscale = ws->l_state.horizontal_msize;
2779                 stacks = ws->l_state.horizontal_stacks;
2780                 SWAPXY(&r_g);
2781         } else {
2782                 w_inc = win->sh.height_inc;
2783                 w_base = win->sh.base_height;
2784                 mwin = ws->l_state.vertical_mwin;
2785                 mscale = ws->l_state.vertical_msize;
2786                 stacks = ws->l_state.vertical_stacks;
2787         }
2788         win_g = r_g;
2789
2790         if (stacks > winno - mwin)
2791                 stacks = winno - mwin;
2792         if (stacks < 1)
2793                 stacks = 1;
2794
2795         h_slice = r_g.h / SWM_H_SLICE;
2796         if (mwin && winno > mwin) {
2797                 v_slice = r_g.w / SWM_V_SLICE;
2798
2799                 split = mwin;
2800                 colno = split;
2801                 win_g.w = v_slice * mscale;
2802
2803                 if (w_inc > 1 && w_inc < v_slice) {
2804                         /* adjust for window's requested size increment */
2805                         remain = (win_g.w - w_base) % w_inc;
2806                         missing = w_inc - remain;
2807                         win_g.w -= remain;
2808                         extra += remain;
2809                 }
2810
2811                 msize = win_g.w;
2812                 if (flip)
2813                         win_g.x += r_g.w - msize;
2814         } else {
2815                 msize = -2;
2816                 colno = split = winno / stacks;
2817                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2818                     2 * border_width) / stacks);
2819         }
2820         hrh = r_g.h / colno;
2821         extra = r_g.h - (colno * hrh);
2822         win_g.h = hrh - 2 * border_width;
2823
2824         /*  stack all the tiled windows */
2825         i = j = 0, s = stacks;
2826         TAILQ_FOREACH(win, &ws->winlist, entry) {
2827                 if (win->transient != 0 || win->floating != 0)
2828                         continue;
2829                 if (win->iconic != 0)
2830                         continue;
2831
2832                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2833                         fs_win = win;
2834                         continue;
2835                 }
2836
2837                 if (split && i == split) {
2838                         colno = (winno - mwin) / stacks;
2839                         if (s <= (winno - mwin) % stacks)
2840                                 colno++;
2841                         split = split + colno;
2842                         hrh = (r_g.h / colno);
2843                         extra = r_g.h - (colno * hrh);
2844                         if (flip)
2845                                 win_g.x = r_g.x;
2846                         else
2847                                 win_g.x += win_g.w + 2 * border_width;
2848                         win_g.w = (r_g.w - msize -
2849                             (stacks * 2 * border_width)) / stacks;
2850                         if (s == 1)
2851                                 win_g.w += (r_g.w - msize -
2852                                     (stacks * 2 * border_width)) % stacks;
2853                         s--;
2854                         j = 0;
2855                 }
2856                 win_g.h = hrh - 2 * border_width;
2857                 if (rot) {
2858                         h_inc = win->sh.width_inc;
2859                         h_base = win->sh.base_width;
2860                 } else {
2861                         h_inc = win->sh.height_inc;
2862                         h_base = win->sh.base_height;
2863                 }
2864                 if (j == colno - 1) {
2865                         win_g.h = hrh + extra;
2866                 } else if (h_inc > 1 && h_inc < h_slice) {
2867                         /* adjust for window's requested size increment */
2868                         remain = (win_g.h - h_base) % h_inc;
2869                         missing = h_inc - remain;
2870
2871                         if (missing <= extra || j == 0) {
2872                                 extra -= missing;
2873                                 win_g.h += missing;
2874                         } else {
2875                                 win_g.h -= remain;
2876                                 extra += remain;
2877                         }
2878                 }
2879
2880                 if (j == 0)
2881                         win_g.y = r_g.y;
2882                 else
2883                         win_g.y += last_h + 2 * border_width;
2884
2885                 bzero(&wc, sizeof wc);
2886                 if (disable_border && bar_enabled == 0 && winno == 1){
2887                         wc.border_width = 0;
2888                         win_g.w += 2 * border_width;
2889                         win_g.h += 2 * border_width;
2890                 } else
2891                         wc.border_width = border_width;
2892                 reconfigure = 0;
2893                 if (rot) {
2894                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2895                             win->g.w != win_g.h || win->g.h != win_g.w) {
2896                                 reconfigure = 1;
2897                                 win->g.x = wc.x = win_g.y;
2898                                 win->g.y = wc.y = win_g.x;
2899                                 win->g.w = wc.width = win_g.h;
2900                                 win->g.h = wc.height = win_g.w;
2901                         }
2902                 } else {
2903                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2904                             win->g.w != win_g.w || win->g.h != win_g.h) {
2905                                 reconfigure = 1;
2906                                 win->g.x = wc.x = win_g.x;
2907                                 win->g.y = wc.y = win_g.y;
2908                                 win->g.w = wc.width = win_g.w;
2909                                 win->g.h = wc.height = win_g.h;
2910                         }
2911                 }
2912                 if (reconfigure) {
2913                         adjust_font(win);
2914                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2915                         XConfigureWindow(display, win->id, mask, &wc);
2916                 }
2917
2918                 if (XGetWindowAttributes(display, win->id, &wa))
2919                         if (wa.map_state == IsUnmapped)
2920                                 XMapRaised(display, win->id);
2921
2922                 last_h = win_g.h;
2923                 i++;
2924                 j++;
2925         }
2926
2927 notiles:
2928         /* now, stack all the floaters and transients */
2929         TAILQ_FOREACH(win, &ws->winlist, entry) {
2930                 if (win->transient == 0 && win->floating == 0)
2931                         continue;
2932                 if (win->iconic == 1)
2933                         continue;
2934                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2935                         fs_win = win;
2936                         continue;
2937                 }
2938
2939                 stack_floater(win, ws->r);
2940                 XMapRaised(display, win->id);
2941         }
2942
2943         if (fs_win) {
2944                 stack_floater(fs_win, ws->r);
2945                 XMapRaised(display, fs_win->id);
2946         }
2947 }
2948
2949 void
2950 vertical_config(struct workspace *ws, int id)
2951 {
2952         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2953
2954         switch (id) {
2955         case SWM_ARG_ID_STACKRESET:
2956         case SWM_ARG_ID_STACKINIT:
2957                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2958                 ws->l_state.vertical_mwin = 1;
2959                 ws->l_state.vertical_stacks = 1;
2960                 break;
2961         case SWM_ARG_ID_MASTERSHRINK:
2962                 if (ws->l_state.vertical_msize > 1)
2963                         ws->l_state.vertical_msize--;
2964                 break;
2965         case SWM_ARG_ID_MASTERGROW:
2966                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2967                         ws->l_state.vertical_msize++;
2968                 break;
2969         case SWM_ARG_ID_MASTERADD:
2970                 ws->l_state.vertical_mwin++;
2971                 break;
2972         case SWM_ARG_ID_MASTERDEL:
2973                 if (ws->l_state.vertical_mwin > 0)
2974                         ws->l_state.vertical_mwin--;
2975                 break;
2976         case SWM_ARG_ID_STACKINC:
2977                 ws->l_state.vertical_stacks++;
2978                 break;
2979         case SWM_ARG_ID_STACKDEC:
2980                 if (ws->l_state.vertical_stacks > 1)
2981                         ws->l_state.vertical_stacks--;
2982                 break;
2983         default:
2984                 return;
2985         }
2986 }
2987
2988 void
2989 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2990 {
2991         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2992
2993         stack_master(ws, g, 0, 0);
2994 }
2995
2996 void
2997 horizontal_config(struct workspace *ws, int id)
2998 {
2999         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3000
3001         switch (id) {
3002         case SWM_ARG_ID_STACKRESET:
3003         case SWM_ARG_ID_STACKINIT:
3004                 ws->l_state.horizontal_mwin = 1;
3005                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3006                 ws->l_state.horizontal_stacks = 1;
3007                 break;
3008         case SWM_ARG_ID_MASTERSHRINK:
3009                 if (ws->l_state.horizontal_msize > 1)
3010                         ws->l_state.horizontal_msize--;
3011                 break;
3012         case SWM_ARG_ID_MASTERGROW:
3013                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3014                         ws->l_state.horizontal_msize++;
3015                 break;
3016         case SWM_ARG_ID_MASTERADD:
3017                 ws->l_state.horizontal_mwin++;
3018                 break;
3019         case SWM_ARG_ID_MASTERDEL:
3020                 if (ws->l_state.horizontal_mwin > 0)
3021                         ws->l_state.horizontal_mwin--;
3022                 break;
3023         case SWM_ARG_ID_STACKINC:
3024                 ws->l_state.horizontal_stacks++;
3025                 break;
3026         case SWM_ARG_ID_STACKDEC:
3027                 if (ws->l_state.horizontal_stacks > 1)
3028                         ws->l_state.horizontal_stacks--;
3029                 break;
3030         default:
3031                 return;
3032         }
3033 }
3034
3035 void
3036 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3037 {
3038         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3039
3040         stack_master(ws, g, 1, 0);
3041 }
3042
3043 /* fullscreen view */
3044 void
3045 max_stack(struct workspace *ws, struct swm_geometry *g)
3046 {
3047         XWindowChanges          wc;
3048         struct swm_geometry     gg = *g;
3049         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3050         unsigned int            mask;
3051         int                     winno;
3052
3053         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3054
3055         if (ws == NULL)
3056                 return;
3057
3058         winno = count_win(ws, 0);
3059         if (winno == 0 && count_win(ws, 1) == 0)
3060                 return;
3061
3062         TAILQ_FOREACH(win, &ws->winlist, entry) {
3063                 if (win->transient) {
3064                         wintrans = win;
3065                         parent = find_window(win->transient);
3066                         continue;
3067                 }
3068
3069                 if (win->floating && win->floatmaxed == 0 ) {
3070                         /*
3071                          * retain geometry for retrieval on exit from
3072                          * max_stack mode
3073                          */
3074                         store_float_geom(win, ws->r);
3075                         win->floatmaxed = 1;
3076                 }
3077
3078                 /* only reconfigure if necessary */
3079                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
3080                     win->g.h != gg.h) {
3081                         bzero(&wc, sizeof wc);
3082                         win->g.x = wc.x = gg.x;
3083                         win->g.y = wc.y = gg.y;
3084                         if (bar_enabled){
3085                                 wc.border_width = border_width;
3086                                 win->g.w = wc.width = gg.w;
3087                                 win->g.h = wc.height = gg.h;
3088                         } else {
3089                                 wc.border_width = 0;
3090                                 win->g.w = wc.width = gg.w + 2 * border_width;
3091                                 win->g.h = wc.height = gg.h + 2 * border_width;
3092                         }
3093                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3094                         XConfigureWindow(display, win->id, mask, &wc);
3095                 }
3096                 /* unmap only if we don't have multi screen */
3097                 if (win != ws->focus)
3098                         if (!(ScreenCount(display) > 1 || outputs > 1))
3099                                 unmap_window(win);
3100         }
3101
3102         /* put the last transient on top */
3103         if (wintrans) {
3104                 if (parent)
3105                         XMapRaised(display, parent->id);
3106                 stack_floater(wintrans, ws->r);
3107                 focus_magic(wintrans);
3108         }
3109 }
3110
3111 void
3112 send_to_ws(struct swm_region *r, union arg *args)
3113 {
3114         int                     wsid = args->id;
3115         struct ws_win           *win = NULL, *parent;
3116         struct workspace        *ws, *nws;
3117         Atom                    ws_idx_atom = 0;
3118         unsigned char           ws_idx_str[SWM_PROPLEN];
3119         union arg               a;
3120
3121         if (r && r->ws)
3122                 win = r->ws->focus;
3123         else
3124                 return;
3125         if (win == NULL)
3126                 return;
3127         if (win->ws->idx == wsid)
3128                 return;
3129
3130         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
3131
3132         ws = win->ws;
3133         nws = &win->s->ws[wsid];
3134
3135         a.id = SWM_ARG_ID_FOCUSPREV;
3136         focus(r, &a);
3137         if (win->transient) {
3138                 parent = find_window(win->transient);
3139                 if (parent) {
3140                         unmap_window(parent);
3141                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3142                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3143                         parent->ws = nws;
3144                 }
3145         }
3146         unmap_window(win);
3147         TAILQ_REMOVE(&ws->winlist, win, entry);
3148         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3149         win->ws = nws;
3150
3151         /* Try to update the window's workspace property */
3152         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3153         if (ws_idx_atom &&
3154             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3155                 SWM_PROPLEN) {
3156                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3157                     ws_idx_str);
3158                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3159                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3160         }
3161
3162         stack();
3163 }
3164
3165 void
3166 pressbutton(struct swm_region *r, union arg *args)
3167 {
3168         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3169         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3170 }
3171
3172 void
3173 raise_toggle(struct swm_region *r, union arg *args)
3174 {
3175         if (r && r->ws == NULL)
3176                 return;
3177
3178         r->ws->always_raise = !r->ws->always_raise;
3179
3180         /* bring floaters back to top */
3181         if (r->ws->always_raise == 0)
3182                 stack();
3183 }
3184
3185 void
3186 iconify(struct swm_region *r, union arg *args)
3187 {
3188         union arg a;
3189
3190         if (r->ws->focus == NULL)
3191                 return;
3192         unmap_window(r->ws->focus);
3193         update_iconic(r->ws->focus, 1);
3194         stack();
3195         if (focus_mode == SWM_FOCUS_DEFAULT)
3196                 drain_enter_notify();
3197         r->ws->focus = NULL;
3198         a.id = SWM_ARG_ID_FOCUSCUR;
3199         focus(r, &a);
3200 }
3201
3202 unsigned char *
3203 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3204     unsigned long *slen)
3205 {
3206         int                     status, retfmt;
3207         unsigned long           nitems, nbytes, nextra;
3208         unsigned char           *prop = NULL;
3209         Atom                    rettype;
3210
3211         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3212             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3213         if (status != Success)
3214                 return (NULL);
3215         XFree(prop);
3216
3217         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3218             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3219         if (status != Success) {
3220                 XFree(prop);
3221                 return (NULL);
3222         }
3223         if (rettype != stype) {
3224                 XFree(prop);
3225                 return (NULL);
3226         }
3227         *slen = nitems;
3228         return (prop);
3229 }
3230
3231 void
3232 uniconify(struct swm_region *r, union arg *args)
3233 {
3234         struct ws_win           *win;
3235         FILE                    *lfile;
3236         unsigned char           *name;
3237         int                     count = 0;
3238         unsigned long           len;
3239
3240         DNPRINTF(SWM_D_MISC, "uniconify\n");
3241
3242         if (r && r->ws == NULL)
3243                 return;
3244
3245         /* make sure we have anything to uniconify */
3246         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3247                 if (win->ws == NULL)
3248                         continue; /* should never happen */
3249                 if (win->iconic == 0)
3250                         continue;
3251                 count++;
3252         }
3253         if (count == 0)
3254                 return;
3255
3256         search_r = r;
3257         search_resp_action = SWM_SEARCH_UNICONIFY;
3258
3259         spawn_select(r, args, "search", &searchpid);
3260
3261         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3262                 return;
3263
3264         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3265                 if (win->ws == NULL)
3266                         continue; /* should never happen */
3267                 if (win->iconic == 0)
3268                         continue;
3269
3270                 name = get_win_name(display, win->id, a_wmname, a_string,
3271                     &len);
3272                 if (name == NULL)
3273                         continue;
3274                 fprintf(lfile, "%s.%lu\n", name, win->id);
3275                 XFree(name);
3276         }
3277
3278         fclose(lfile);
3279 }
3280
3281 void
3282 name_workspace(struct swm_region *r, union arg *args)
3283 {
3284         FILE                    *lfile;
3285
3286         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3287
3288         if (r == NULL)
3289                 return;
3290
3291         search_r = r;
3292         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3293
3294         spawn_select(r, args, "name_workspace", &searchpid);
3295
3296         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3297                 return;
3298
3299         fprintf(lfile, "%s", "");
3300         fclose(lfile);
3301 }
3302
3303 void
3304 search_workspace(struct swm_region *r, union arg *args)
3305 {
3306         int                     i;
3307         struct workspace        *ws;
3308         FILE                    *lfile;
3309
3310         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3311
3312         if (r == NULL)
3313                 return;
3314
3315         search_r = r;
3316         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3317
3318         spawn_select(r, args, "search", &searchpid);
3319
3320         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3321                 return;
3322
3323         for (i = 0; i < SWM_WS_MAX; i++) {
3324                 ws = &r->s->ws[i];
3325                 if (ws == NULL)
3326                         continue;
3327                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3328                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3329         }
3330
3331         fclose(lfile);
3332 }
3333
3334 void
3335 search_win_cleanup(void)
3336 {
3337         struct search_window    *sw = NULL;
3338
3339         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3340                 XDestroyWindow(display, sw->indicator);
3341                 TAILQ_REMOVE(&search_wl, sw, entry);
3342                 free(sw);
3343         }
3344 }
3345
3346 void
3347 search_win(struct swm_region *r, union arg *args)
3348 {
3349         struct ws_win           *win = NULL;
3350         struct search_window    *sw = NULL;
3351         Window                  w;
3352         GC                      gc;
3353         XGCValues               gcv;
3354         int                     i;
3355         char                    s[8];
3356         FILE                    *lfile;
3357         size_t                  len;
3358         int                     textwidth;
3359
3360         DNPRINTF(SWM_D_MISC, "search_win\n");
3361
3362         search_r = r;
3363         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3364
3365         spawn_select(r, args, "search", &searchpid);
3366
3367         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3368                 return;
3369
3370         TAILQ_INIT(&search_wl);
3371
3372         i = 1;
3373         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3374                 if (win->iconic == 1)
3375                         continue;
3376
3377                 sw = calloc(1, sizeof(struct search_window));
3378                 if (sw == NULL) {
3379                         fprintf(stderr, "search_win: calloc: %s", strerror(errno));
3380                         fclose(lfile);
3381                         search_win_cleanup();
3382                         return;
3383                 }
3384                 sw->idx = i;
3385                 sw->win = win;
3386
3387                 snprintf(s, sizeof s, "%d", i);
3388                 len = strlen(s);
3389                 textwidth = XTextWidth(bar_fs, s, len);
3390
3391                 w = XCreateSimpleWindow(display,
3392                     win->id, 0, 0, textwidth + 12,
3393                     bar_fs->ascent + bar_fs->descent + 4, 1,
3394                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3395                     r->s->c[SWM_S_COLOR_FOCUS].color);
3396
3397                 sw->indicator = w;
3398                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3399
3400                 gc = XCreateGC(display, w, 0, &gcv);
3401                 XSetFont(display, gc, bar_fs->fid);
3402                 XMapRaised(display, w);
3403                 XSetForeground(display, gc, r->s->c[SWM_S_COLOR_BAR].color);
3404
3405                 XDrawString(display, w, gc, 6, bar_fs->ascent + 2, s, len);
3406
3407                 fprintf(lfile, "%d\n", i);
3408                 i++;
3409         }
3410
3411         fclose(lfile);
3412 }
3413
3414 void
3415 search_resp_uniconify(char *resp, unsigned long len)
3416 {
3417         unsigned char           *name;
3418         struct ws_win           *win;
3419         char                    *s;
3420
3421         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp %s\n", resp);
3422
3423         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3424                 if (win->iconic == 0)
3425                         continue;
3426                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3427                 if (name == NULL)
3428                         continue;
3429                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3430                         XFree(name);
3431                         continue;
3432                 }
3433                 XFree(name);
3434                 if (strncmp(s, resp, len) == 0) {
3435                         /* XXX this should be a callback to generalize */
3436                         update_iconic(win, 0);
3437                         free(s);
3438                         break;
3439                 }
3440                 free(s);
3441         }
3442 }
3443
3444 void
3445 search_resp_name_workspace(char *resp, unsigned long len)
3446 {
3447         struct workspace        *ws;
3448
3449         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp %s\n", resp);
3450
3451         if (search_r->ws == NULL)
3452                 return;
3453         ws = search_r->ws;
3454
3455         if (ws->name) {
3456                 free(search_r->ws->name);
3457                 search_r->ws->name = NULL;
3458         }
3459
3460         if (len > 1) {
3461                 ws->name = strdup(resp);
3462                 if (ws->name == NULL) {
3463                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: strdup: %s",
3464                             strerror(errno));
3465                         return;
3466                 }
3467         }
3468 }
3469
3470 void
3471 search_resp_search_workspace(char *resp, unsigned long len)
3472 {
3473         char                    *p, *q;
3474         int                     ws_idx;
3475         const char              *errstr;
3476         union arg               a;
3477
3478         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp %s\n", resp);
3479
3480         q = strdup(resp);
3481         if (!q) {
3482                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3483                     strerror(errno));
3484                 return;
3485         }
3486         p = strchr(q, ':');
3487         if (p != NULL)
3488                 *p = '\0';
3489         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3490         if (errstr) {
3491                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3492                     errstr, q);
3493                 free(q);
3494                 return;
3495         }
3496         free(q);
3497         a.id = ws_idx - 1;
3498         switchws(search_r, &a);
3499 }
3500
3501 void
3502 search_resp_search_window(char *resp, unsigned long len)
3503 {
3504         char                    *s;
3505         int                     idx;
3506         const char              *errstr;
3507         struct search_window    *sw;
3508
3509         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp %s\n", resp);
3510
3511         s = strdup(resp);
3512         if (!s) {
3513                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3514                     strerror(errno));
3515                 return;
3516         }
3517
3518         idx = strtonum(s, 1, INT_MAX, &errstr);
3519         if (errstr) {
3520                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3521                     errstr, s);
3522                 free(s);
3523                 return;
3524         }
3525         free(s);
3526
3527         TAILQ_FOREACH(sw, &search_wl, entry)
3528                 if (idx == sw->idx) {
3529                         focus_win(sw->win);
3530                         break;
3531                 }
3532 }
3533
3534 #define MAX_RESP_LEN    1024
3535
3536 void
3537 search_do_resp(void)
3538 {
3539         ssize_t                 rbytes;
3540         char                    *resp;
3541         unsigned long           len;
3542
3543         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3544
3545         search_resp = 0;
3546         searchpid = 0;
3547
3548         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3549                 fprintf(stderr, "search: calloc\n");
3550                 goto done;
3551         }
3552
3553         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3554         if (rbytes <= 0) {
3555                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3556                 goto done;
3557         }
3558         resp[rbytes] = '\0';
3559
3560         /* XXX:
3561          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3562          * newline, so work around that by sanitizing the resp now.
3563          */
3564         resp[strcspn(resp, "\n")] = '\0';
3565         len = strlen(resp);
3566
3567         switch (search_resp_action) {
3568         case SWM_SEARCH_UNICONIFY:
3569                 search_resp_uniconify(resp, len);
3570                 break;
3571         case SWM_SEARCH_NAME_WORKSPACE:
3572                 search_resp_name_workspace(resp, len);
3573                 break;
3574         case SWM_SEARCH_SEARCH_WORKSPACE:
3575                 search_resp_search_workspace(resp, len);
3576                 break;
3577         case SWM_SEARCH_SEARCH_WINDOW:
3578                 search_resp_search_window(resp, len);
3579                 break;
3580         }
3581
3582 done:
3583         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3584                 search_win_cleanup();
3585
3586         search_resp_action = SWM_SEARCH_NONE;
3587         close(select_resp_pipe[0]);
3588         free(resp);
3589 }
3590
3591 void
3592 wkill(struct swm_region *r, union arg *args)
3593 {
3594         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3595
3596         if (r->ws->focus == NULL)
3597                 return;
3598
3599         if (args->id == SWM_ARG_ID_KILLWINDOW)
3600                 XKillClient(display, r->ws->focus->id);
3601         else
3602                 if (r->ws->focus->can_delete)
3603                         client_msg(r->ws->focus, adelete);
3604 }
3605
3606
3607 int
3608 floating_toggle_win(struct ws_win *win)
3609 {
3610         struct swm_region       *r;
3611
3612         if (win == NULL)
3613                 return 0;
3614
3615         if (!win->ws->r)
3616                 return 0;
3617
3618         r = win->ws->r;
3619
3620         /* reject floating toggles in max stack mode */
3621         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3622                 return 0;
3623
3624         if (win->floating) {
3625                 if (!win->floatmaxed) {
3626                         /* retain position for refloat */
3627                         store_float_geom(win, r);
3628                 }
3629                 win->floating = 0;
3630         } else {
3631                 if (win->g_floatvalid) {
3632                         /* refloat at last floating relative position */
3633                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3634                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3635                         win->g.w = win->g_float.w;
3636                         win->g.h = win->g_float.h;
3637                 }
3638                 win->floating = 1;
3639         }
3640
3641         ewmh_update_actions(win);
3642
3643         return 1;
3644 }
3645
3646 void
3647 floating_toggle(struct swm_region *r, union arg *args)
3648 {
3649         struct ws_win           *win = r->ws->focus;
3650         union arg               a;
3651
3652         if (win == NULL)
3653                 return;
3654
3655         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3656             _NET_WM_STATE_TOGGLE);
3657
3658         stack();
3659         if (focus_mode == SWM_FOCUS_DEFAULT)
3660                 drain_enter_notify();
3661
3662         if (win == win->ws->focus) {
3663                 a.id = SWM_ARG_ID_FOCUSCUR;
3664                 focus(win->ws->r, &a);
3665         }
3666 }
3667
3668 void
3669 resize_window(struct ws_win *win, int center)
3670 {
3671         unsigned int            mask;
3672         XWindowChanges          wc;
3673         struct swm_region       *r;
3674
3675         r = root_to_region(win->wa.root);
3676         bzero(&wc, sizeof wc);
3677         mask = CWBorderWidth | CWWidth | CWHeight;
3678         wc.border_width = border_width;
3679         wc.width = win->g.w;
3680         wc.height = win->g.h;
3681         if (center == SWM_ARG_ID_CENTER) {
3682                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3683                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3684                 mask |= CWX | CWY;
3685         }
3686
3687         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3688             win->id, wc.x, wc.y, wc.width, wc.height);
3689
3690         XConfigureWindow(display, win->id, mask, &wc);
3691 }
3692
3693 #define SWM_RESIZE_STEPS        (50)
3694
3695 void
3696 resize(struct ws_win *win, union arg *args)
3697 {
3698         XEvent                  ev;
3699         Time                    time = 0;
3700         struct swm_region       *r = NULL;
3701         int                     relx, rely;
3702         int                     resize_step = 0;
3703
3704         if (win == NULL)
3705                 return;
3706         r = win->ws->r;
3707
3708         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3709             win->id, win->floating, win->transient);
3710
3711         if (!(win->transient != 0 || win->floating != 0))
3712                 return;
3713
3714         /* reject resizes in max mode for floaters (transient ok) */
3715         if (win->floatmaxed)
3716                 return;
3717
3718         win->manual = 1;
3719         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3720             _NET_WM_STATE_ADD);
3721
3722         stack();
3723
3724         switch (args->id) {
3725         case SWM_ARG_ID_WIDTHSHRINK:
3726                 win->g.w -= SWM_RESIZE_STEPS;
3727                 resize_step = 1;
3728                 break;
3729         case SWM_ARG_ID_WIDTHGROW:
3730                 win->g.w += SWM_RESIZE_STEPS;
3731                 resize_step = 1;
3732                 break;
3733         case SWM_ARG_ID_HEIGHTSHRINK:
3734                 win->g.h -= SWM_RESIZE_STEPS;
3735                 resize_step = 1;
3736                 break;
3737         case SWM_ARG_ID_HEIGHTGROW:
3738                 win->g.h += SWM_RESIZE_STEPS;
3739                 resize_step = 1;
3740                 break;
3741         default:
3742                 break;
3743         }
3744         if (resize_step) {
3745                 resize_window(win, 0);
3746                 store_float_geom(win,r);
3747                 return;
3748         }
3749
3750         if (focus_mode == SWM_FOCUS_DEFAULT)
3751                 drain_enter_notify();
3752
3753         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3754             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3755                 return;
3756
3757         /* place pointer at bottom left corner or nearest point inside r */
3758         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3759                 relx = win->g.w - 1;
3760         else
3761                 relx = r->g.x + r->g.w - win->g.x - 1;
3762
3763         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3764                 rely = win->g.h - 1;
3765         else
3766                 rely = r->g.y + r->g.h - win->g.y - 1;
3767
3768         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3769         do {
3770                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3771                     SubstructureRedirectMask, &ev);
3772                 switch (ev.type) {
3773                 case ConfigureRequest:
3774                 case Expose:
3775                 case MapRequest:
3776                         handler[ev.type](&ev);
3777                         break;
3778                 case MotionNotify:
3779                         /* do not allow resize outside of region */
3780                         if (    ev.xmotion.x_root < r->g.x ||
3781                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3782                                 ev.xmotion.y_root < r->g.y ||
3783                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3784                                 continue;
3785
3786                         if (ev.xmotion.x <= 1)
3787                                 ev.xmotion.x = 1;
3788                         if (ev.xmotion.y <= 1)
3789                                 ev.xmotion.y = 1;
3790                         win->g.w = ev.xmotion.x + 1;
3791                         win->g.h = ev.xmotion.y + 1;
3792
3793                         /* not free, don't sync more than 120 times / second */
3794                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3795                                 time = ev.xmotion.time;
3796                                 XSync(display, False);
3797                                 resize_window(win, args->id);
3798                         }
3799                         break;
3800                 }
3801         } while (ev.type != ButtonRelease);
3802         if (time) {
3803                 XSync(display, False);
3804                 resize_window(win, args->id);
3805         }
3806         store_float_geom(win,r);
3807
3808         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3809             win->g.h - 1);
3810         XUngrabPointer(display, CurrentTime);
3811
3812         /* drain events */
3813         drain_enter_notify();
3814 }
3815
3816 void
3817 resize_step(struct swm_region *r, union arg *args)
3818 {
3819         struct ws_win           *win = NULL;
3820
3821         if (r && r->ws && r->ws->focus)
3822                 win = r->ws->focus;
3823         else
3824                 return;
3825
3826         resize(win, args);
3827 }
3828
3829
3830 void
3831 move_window(struct ws_win *win)
3832 {
3833         unsigned int            mask;
3834         XWindowChanges          wc;
3835
3836         bzero(&wc, sizeof wc);
3837         mask = CWX | CWY;
3838         wc.x = win->g.x;
3839         wc.y = win->g.y;
3840         wc.border_width = border_width;
3841
3842         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3843             win->id, wc.x, wc.y, wc.width, wc.height);
3844
3845         XConfigureWindow(display, win->id, mask, &wc);
3846 }
3847
3848 #define SWM_MOVE_STEPS  (50)
3849
3850 void
3851 move(struct ws_win *win, union arg *args)
3852 {
3853         XEvent                  ev;
3854         Time                    time = 0;
3855         int                     move_step = 0;
3856         struct swm_region       *r = NULL;
3857
3858         if (win == NULL)
3859                 return;
3860         r = win->ws->r;
3861
3862         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3863             win->id, win->floating, win->transient);
3864
3865         /* in max_stack mode should only move transients */
3866         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3867                 return;
3868
3869         win->manual = 1;
3870         if (win->floating == 0 && !win->transient) {
3871                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3872                     _NET_WM_STATE_ADD);
3873         }
3874         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3875             _NET_WM_STATE_ADD);
3876
3877         stack();
3878
3879         move_step = 0;
3880         switch (args->id) {
3881         case SWM_ARG_ID_MOVELEFT:
3882                 win->g.x -= (SWM_MOVE_STEPS - border_width);
3883                 move_step = 1;
3884                 break;
3885         case SWM_ARG_ID_MOVERIGHT:
3886                 win->g.x += (SWM_MOVE_STEPS - border_width);
3887                 move_step = 1;
3888                 break;
3889         case SWM_ARG_ID_MOVEUP:
3890                 win->g.y -= (SWM_MOVE_STEPS - border_width);
3891                 move_step = 1;
3892                 break;
3893         case SWM_ARG_ID_MOVEDOWN:
3894                 win->g.y += (SWM_MOVE_STEPS - border_width);
3895                 move_step = 1;
3896                 break;
3897         default:
3898                 break;
3899         }
3900         if (move_step) {
3901                 move_window(win);
3902                 store_float_geom(win,r);
3903                 return;
3904         }
3905
3906
3907         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3908             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3909                 return;
3910         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3911         do {
3912                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3913                     SubstructureRedirectMask, &ev);
3914                 switch (ev.type) {
3915                 case ConfigureRequest:
3916                 case Expose:
3917                 case MapRequest:
3918                         handler[ev.type](&ev);
3919                         break;
3920                 case MotionNotify:
3921                         /* don't allow to move window origin out of region */
3922                         if (    ev.xmotion.x_root < r->g.x ||
3923                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3924                                 ev.xmotion.y_root < r->g.y ||
3925                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3926                                 continue;
3927
3928                         win->g.x = ev.xmotion.x_root - border_width;
3929                         win->g.y = ev.xmotion.y_root - border_width;
3930
3931                         /* not free, don't sync more than 120 times / second */
3932                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3933                                 time = ev.xmotion.time;
3934                                 XSync(display, False);
3935                                 move_window(win);
3936                         }
3937                         break;
3938                 }
3939         } while (ev.type != ButtonRelease);
3940         if (time) {
3941                 XSync(display, False);
3942                 move_window(win);
3943         }
3944         store_float_geom(win,r);
3945         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3946         XUngrabPointer(display, CurrentTime);
3947
3948         /* drain events */
3949         drain_enter_notify();
3950 }
3951
3952 void
3953 move_step(struct swm_region *r, union arg *args)
3954 {
3955         struct ws_win           *win = NULL;
3956
3957         if (r && r->ws && r->ws->focus)
3958                 win = r->ws->focus;
3959         else
3960                 return;
3961
3962         if (!(win->transient != 0 || win->floating != 0))
3963                 return;
3964
3965         move(win, args);
3966 }
3967
3968
3969 /* user/key callable function IDs */
3970 enum keyfuncid {
3971         kf_cycle_layout,
3972         kf_stack_reset,
3973         kf_master_shrink,
3974         kf_master_grow,
3975         kf_master_add,
3976         kf_master_del,
3977         kf_stack_inc,
3978         kf_stack_dec,
3979         kf_swap_main,
3980         kf_focus_next,
3981         kf_focus_prev,
3982         kf_swap_next,
3983         kf_swap_prev,
3984         kf_spawn_term,
3985         kf_spawn_menu,
3986         kf_quit,
3987         kf_restart,
3988         kf_focus_main,
3989         kf_ws_1,
3990         kf_ws_2,
3991         kf_ws_3,
3992         kf_ws_4,
3993         kf_ws_5,
3994         kf_ws_6,
3995         kf_ws_7,
3996         kf_ws_8,
3997         kf_ws_9,
3998         kf_ws_10,
3999         kf_ws_next,
4000         kf_ws_prev,
4001         kf_ws_next_all,
4002         kf_ws_prev_all,
4003         kf_ws_prior,
4004         kf_screen_next,
4005         kf_screen_prev,
4006         kf_mvws_1,
4007         kf_mvws_2,
4008         kf_mvws_3,
4009         kf_mvws_4,
4010         kf_mvws_5,
4011         kf_mvws_6,
4012         kf_mvws_7,
4013         kf_mvws_8,
4014         kf_mvws_9,
4015         kf_mvws_10,
4016         kf_bar_toggle,
4017         kf_wind_kill,
4018         kf_wind_del,
4019         kf_screenshot_all,
4020         kf_screenshot_wind,
4021         kf_float_toggle,
4022         kf_version,
4023         kf_spawn_lock,
4024         kf_spawn_initscr,
4025         kf_spawn_custom,
4026         kf_iconify,
4027         kf_uniconify,
4028         kf_raise_toggle,
4029         kf_button2,
4030         kf_width_shrink,
4031         kf_width_grow,
4032         kf_height_shrink,
4033         kf_height_grow,
4034         kf_move_left,
4035         kf_move_right,
4036         kf_move_up,
4037         kf_move_down,
4038         kf_name_workspace,
4039         kf_search_workspace,
4040         kf_search_win,
4041         kf_dumpwins, /* MUST BE LAST */
4042         kf_invalid
4043 };
4044
4045 /* key definitions */
4046 void
4047 dummykeyfunc(struct swm_region *r, union arg *args)
4048 {
4049 };
4050
4051 void
4052 legacyfunc(struct swm_region *r, union arg *args)
4053 {
4054 };
4055
4056 struct keyfunc {
4057         char                    name[SWM_FUNCNAME_LEN];
4058         void                    (*func)(struct swm_region *r, union arg *);
4059         union arg               args;
4060 } keyfuncs[kf_invalid + 1] = {
4061         /* name                 function        argument */
4062         { "cycle_layout",       cycle_layout,   {0} },
4063         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4064         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4065         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4066         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4067         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4068         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4069         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4070         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4071         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4072         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4073         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4074         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4075         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4076         { "spawn_menu",         legacyfunc,     {0} },
4077         { "quit",               quit,           {0} },
4078         { "restart",            restart,        {0} },
4079         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4080         { "ws_1",               switchws,       {.id = 0} },
4081         { "ws_2",               switchws,       {.id = 1} },
4082         { "ws_3",               switchws,       {.id = 2} },
4083         { "ws_4",               switchws,       {.id = 3} },
4084         { "ws_5",               switchws,       {.id = 4} },
4085         { "ws_6",               switchws,       {.id = 5} },
4086         { "ws_7",               switchws,       {.id = 6} },
4087         { "ws_8",               switchws,       {.id = 7} },
4088         { "ws_9",               switchws,       {.id = 8} },
4089         { "ws_10",              switchws,       {.id = 9} },
4090         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4091         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4092         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4093         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4094         { "ws_prior",           priorws,        {0} },
4095         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4096         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4097         { "mvws_1",             send_to_ws,     {.id = 0} },
4098         { "mvws_2",             send_to_ws,     {.id = 1} },
4099         { "mvws_3",             send_to_ws,     {.id = 2} },
4100         { "mvws_4",             send_to_ws,     {.id = 3} },
4101         { "mvws_5",             send_to_ws,     {.id = 4} },
4102         { "mvws_6",             send_to_ws,     {.id = 5} },
4103         { "mvws_7",             send_to_ws,     {.id = 6} },
4104         { "mvws_8",             send_to_ws,     {.id = 7} },
4105         { "mvws_9",             send_to_ws,     {.id = 8} },
4106         { "mvws_10",            send_to_ws,     {.id = 9} },
4107         { "bar_toggle",         bar_toggle,     {0} },
4108         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4109         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4110         { "screenshot_all",     legacyfunc,     {0} },
4111         { "screenshot_wind",    legacyfunc,     {0} },
4112         { "float_toggle",       floating_toggle,{0} },
4113         { "version",            version,        {0} },
4114         { "spawn_lock",         legacyfunc,     {0} },
4115         { "spawn_initscr",      legacyfunc,     {0} },
4116         { "spawn_custom",       dummykeyfunc,   {0} },
4117         { "iconify",            iconify,        {0} },
4118         { "uniconify",          uniconify,      {0} },
4119         { "raise_toggle",       raise_toggle,   {0} },
4120         { "button2",            pressbutton,    {2} },
4121         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4122         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4123         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4124         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4125         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4126         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4127         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4128         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4129         { "name_workspace",     name_workspace, {0} },
4130         { "search_workspace",   search_workspace,       {0} },
4131         { "search_win",         search_win,     {0} },
4132         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4133         { "invalid key func",   NULL,           {0} },
4134 };
4135 struct key {
4136         unsigned int            mod;
4137         KeySym                  keysym;
4138         enum keyfuncid          funcid;
4139         char                    *spawn_name;
4140 };
4141 int                             keys_size = 0, keys_length = 0;
4142 struct key                      *keys = NULL;
4143
4144 /* mouse */
4145 enum { client_click, root_click };
4146 struct button {
4147         unsigned int            action;
4148         unsigned int            mask;
4149         unsigned int            button;
4150         void                    (*func)(struct ws_win *, union arg *);
4151         union arg               args;
4152 } buttons[] = {
4153           /* action     key             mouse button    func    args */
4154         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4155         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4156         { client_click, MODKEY,         Button1,        move,   {0} },
4157 };
4158
4159 void
4160 update_modkey(unsigned int mod)
4161 {
4162         int                     i;
4163
4164         mod_key = mod;
4165         for (i = 0; i < keys_length; i++)
4166                 if (keys[i].mod & ShiftMask)
4167                         keys[i].mod = mod | ShiftMask;
4168                 else
4169                         keys[i].mod = mod;
4170
4171         for (i = 0; i < LENGTH(buttons); i++)
4172                 if (buttons[i].mask & ShiftMask)
4173                         buttons[i].mask = mod | ShiftMask;
4174                 else
4175                         buttons[i].mask = mod;
4176 }
4177
4178 /* spawn */
4179 struct spawn_prog {
4180         char                    *name;
4181         int                     argc;
4182         char                    **argv;
4183 };
4184
4185 int                             spawns_size = 0, spawns_length = 0;
4186 struct spawn_prog               *spawns = NULL;
4187
4188 int
4189 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4190     char ***ret_args)
4191 {
4192         struct spawn_prog       *prog = NULL;
4193         int                     i;
4194         char                    *ap, **real_args;
4195
4196         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
4197
4198         /* find program */
4199         for (i = 0; i < spawns_length; i++) {
4200                 if (!strcasecmp(spawn_name, spawns[i].name))
4201                         prog = &spawns[i];
4202         }
4203         if (prog == NULL) {
4204                 fprintf(stderr, "spawn_custom: program %s not found\n",
4205                     spawn_name);
4206                 return (-1);
4207         }
4208
4209         /* make room for expanded args */
4210         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4211                 err(1, "spawn_custom: calloc real_args");
4212
4213         /* expand spawn_args into real_args */
4214         for (i = 0; i < prog->argc; i++) {
4215                 ap = prog->argv[i];
4216                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
4217                 if (!strcasecmp(ap, "$bar_border")) {
4218                         if ((real_args[i] =
4219                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4220                             == NULL)
4221                                 err(1,  "spawn_custom border color");
4222                 } else if (!strcasecmp(ap, "$bar_color")) {
4223                         if ((real_args[i] =
4224                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4225                             == NULL)
4226                                 err(1, "spawn_custom bar color");
4227                 } else if (!strcasecmp(ap, "$bar_font")) {
4228                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
4229                             == NULL)
4230                                 err(1, "spawn_custom bar fonts");
4231                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4232                         if ((real_args[i] =
4233                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4234                             == NULL)
4235                                 err(1, "spawn_custom color font");
4236                 } else if (!strcasecmp(ap, "$color_focus")) {
4237                         if ((real_args[i] =
4238                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4239                             == NULL)
4240                                 err(1, "spawn_custom color focus");
4241                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4242                         if ((real_args[i] =
4243                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4244                             == NULL)
4245                                 err(1, "spawn_custom color unfocus");
4246                 } else {
4247                         /* no match --> copy as is */
4248                         if ((real_args[i] = strdup(ap)) == NULL)
4249                                 err(1, "spawn_custom strdup(ap)");
4250                 }
4251                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
4252                     real_args[i]);
4253         }
4254
4255 #ifdef SWM_DEBUG
4256         if ((swm_debug & SWM_D_SPAWN) != 0) {
4257                 fprintf(stderr, "spawn_custom: result = ");
4258                 for (i = 0; i < prog->argc; i++)
4259                         fprintf(stderr, "\"%s\" ", real_args[i]);
4260                 fprintf(stderr, "\n");
4261         }
4262 #endif
4263         *ret_args = real_args;
4264         return (prog->argc);
4265 }
4266
4267 void
4268 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4269 {
4270         union arg               a;
4271         char                    **real_args;
4272         int                     spawn_argc, i;
4273
4274         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4275                 return;
4276         a.argv = real_args;
4277         if (fork() == 0)
4278                 spawn(r->ws->idx, &a, 1);
4279
4280         for (i = 0; i < spawn_argc; i++)
4281                 free(real_args[i]);
4282         free(real_args);
4283 }
4284
4285 void
4286 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4287 {
4288         union arg               a;
4289         char                    **real_args;
4290         int                     i, spawn_argc;
4291
4292         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4293                 return;
4294         a.argv = real_args;
4295
4296         if (pipe(select_list_pipe) == -1)
4297                 err(1, "pipe error");
4298         if (pipe(select_resp_pipe) == -1)
4299                 err(1, "pipe error");
4300
4301         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4302                 err(1, "could not disable SIGPIPE");
4303         switch (*pid = fork()) {
4304         case -1:
4305                 err(1, "cannot fork");
4306                 break;
4307         case 0: /* child */
4308                 if (dup2(select_list_pipe[0], 0) == -1)
4309                         err(1, "dup2");
4310                 if (dup2(select_resp_pipe[1], 1) == -1)
4311                         err(1, "dup2");
4312                 close(select_list_pipe[1]);
4313                 close(select_resp_pipe[0]);
4314                 spawn(r->ws->idx, &a, 0);
4315                 break;
4316         default: /* parent */
4317                 close(select_list_pipe[0]);
4318                 close(select_resp_pipe[1]);
4319                 break;
4320         }
4321
4322         for (i = 0; i < spawn_argc; i++)
4323                 free(real_args[i]);
4324         free(real_args);
4325 }
4326
4327 void
4328 setspawn(struct spawn_prog *prog)
4329 {
4330         int                     i, j;
4331
4332         if (prog == NULL || prog->name == NULL)
4333                 return;
4334
4335         /* find existing */
4336         for (i = 0; i < spawns_length; i++) {
4337                 if (!strcmp(spawns[i].name, prog->name)) {
4338                         /* found */
4339                         if (prog->argv == NULL) {
4340                                 /* delete */
4341                                 DNPRINTF(SWM_D_SPAWN,
4342                                     "setspawn: delete #%d %s\n",
4343                                     i, spawns[i].name);
4344                                 free(spawns[i].name);
4345                                 for (j = 0; j < spawns[i].argc; j++)
4346                                         free(spawns[i].argv[j]);
4347                                 free(spawns[i].argv);
4348                                 j = spawns_length - 1;
4349                                 if (i < j)
4350                                         spawns[i] = spawns[j];
4351                                 spawns_length--;
4352                                 free(prog->name);
4353                         } else {
4354                                 /* replace */
4355                                 DNPRINTF(SWM_D_SPAWN,
4356                                     "setspawn: replace #%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                                 spawns[i] = *prog;
4363                         }
4364                         /* found case handled */
4365                         free(prog);
4366                         return;
4367                 }
4368         }
4369
4370         if (prog->argv == NULL) {
4371                 fprintf(stderr,
4372                     "error: setspawn: cannot find program %s", prog->name);
4373                 free(prog);
4374                 return;
4375         }
4376
4377         /* not found: add */
4378         if (spawns_size == 0 || spawns == NULL) {
4379                 spawns_size = 4;
4380                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4381                 spawns = malloc((size_t)spawns_size *
4382                     sizeof(struct spawn_prog));
4383                 if (spawns == NULL) {
4384                         fprintf(stderr, "setspawn: malloc failed\n");
4385                         perror(" failed");
4386                         quit(NULL, NULL);
4387                 }
4388         } else if (spawns_length == spawns_size) {
4389                 spawns_size *= 2;
4390                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4391                 spawns = realloc(spawns, (size_t)spawns_size *
4392                     sizeof(struct spawn_prog));
4393                 if (spawns == NULL) {
4394                         fprintf(stderr, "setspawn: realloc failed\n");
4395                         perror(" failed");
4396                         quit(NULL, NULL);
4397                 }
4398         }
4399
4400         if (spawns_length < spawns_size) {
4401                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4402                     spawns_length, prog->name);
4403                 i = spawns_length++;
4404                 spawns[i] = *prog;
4405         } else {
4406                 fprintf(stderr, "spawns array problem?\n");
4407                 if (spawns == NULL) {
4408                         fprintf(stderr, "spawns array is NULL!\n");
4409                         quit(NULL, NULL);
4410                 }
4411         }
4412         free(prog);
4413 }
4414
4415 int
4416 setconfspawn(char *selector, char *value, int flags)
4417 {
4418         struct spawn_prog       *prog;
4419         char                    *vp, *cp, *word;
4420
4421         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4422         if ((prog = calloc(1, sizeof *prog)) == NULL)
4423                 err(1, "setconfspawn: calloc prog");
4424         prog->name = strdup(selector);
4425         if (prog->name == NULL)
4426                 err(1, "setconfspawn prog->name");
4427         if ((cp = vp = strdup(value)) == NULL)
4428                 err(1, "setconfspawn: strdup(value) ");
4429         while ((word = strsep(&cp, " \t")) != NULL) {
4430                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4431                 if (cp)
4432                         cp += (long)strspn(cp, " \t");
4433                 if (strlen(word) > 0) {
4434                         prog->argc++;
4435                         if ((prog->argv = realloc(prog->argv,
4436                             prog->argc * sizeof(char *))) == NULL)
4437                                 err(1, "setconfspawn: realloc");
4438                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4439                                 err(1, "setconfspawn: strdup");
4440                 }
4441         }
4442         free(vp);
4443
4444         setspawn(prog);
4445
4446         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4447         return (0);
4448 }
4449
4450 void
4451 setup_spawn(void)
4452 {
4453         setconfspawn("term",            "xterm",                0);
4454         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4455         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4456         setconfspawn("lock",            "xlock",                0);
4457         setconfspawn("initscr",         "initscreen.sh",        0);
4458         setconfspawn("menu",            "dmenu_run"
4459                                         " -fn $bar_font"
4460                                         " -nb $bar_color"
4461                                         " -nf $bar_font_color"
4462                                         " -sb $bar_border"
4463                                         " -sf $bar_color",      0);
4464         setconfspawn("search",          "dmenu"
4465                                         " -i"
4466                                         " -fn $bar_font"
4467                                         " -nb $bar_color"
4468                                         " -nf $bar_font_color"
4469                                         " -sb $bar_border"
4470                                         " -sf $bar_color",      0);
4471         setconfspawn("name_workspace",  "dmenu"
4472                                         " -p Workspace"
4473                                         " -fn $bar_font"
4474                                         " -nb $bar_color"
4475                                         " -nf $bar_font_color"
4476                                         " -sb $bar_border"
4477                                         " -sf $bar_color",      0);
4478 }
4479
4480 /* key bindings */
4481 #define SWM_MODNAME_SIZE        32
4482 #define SWM_KEY_WS              "\n+ \t"
4483 int
4484 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4485 {
4486         char                    *cp, *name;
4487         KeySym                  uks;
4488         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4489         if (mod == NULL || ks == NULL) {
4490                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4491                 return (1);
4492         }
4493         if (keystr == NULL || strlen(keystr) == 0) {
4494                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4495                 return (1);
4496         }
4497         cp = keystr;
4498         *ks = NoSymbol;
4499         *mod = 0;
4500         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4501                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4502                 if (cp)
4503                         cp += (long)strspn(cp, SWM_KEY_WS);
4504                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4505                         *mod |= currmod;
4506                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4507                         *mod |= Mod1Mask;
4508                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4509                         *mod += Mod2Mask;
4510                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4511                         *mod |= Mod3Mask;
4512                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4513                         *mod |= Mod4Mask;
4514                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4515                         *mod |= ShiftMask;
4516                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4517                         *mod |= ControlMask;
4518                 else {
4519                         *ks = XStringToKeysym(name);
4520                         XConvertCase(*ks, ks, &uks);
4521                         if (ks == NoSymbol) {
4522                                 DNPRINTF(SWM_D_KEY,
4523                                     "parsekeys: invalid key %s\n",
4524                                     name);
4525                                 return (1);
4526                         }
4527                 }
4528         }
4529         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4530         return (0);
4531 }
4532
4533 char *
4534 strdupsafe(char *str)
4535 {
4536         if (str == NULL)
4537                 return (NULL);
4538         else
4539                 return (strdup(str));
4540 }
4541
4542 void
4543 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4544     char *spawn_name)
4545 {
4546         int                     i, j;
4547         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4548             keyfuncs[kfid].name, spawn_name);
4549         /* find existing */
4550         for (i = 0; i < keys_length; i++) {
4551                 if (keys[i].mod == mod && keys[i].keysym == ks) {
4552                         if (kfid == kf_invalid) {
4553                                 /* found: delete */
4554                                 DNPRINTF(SWM_D_KEY,
4555                                     "setkeybinding: delete #%d %s\n",
4556                                     i, keyfuncs[keys[i].funcid].name);
4557                                 free(keys[i].spawn_name);
4558                                 j = keys_length - 1;
4559                                 if (i < j)
4560                                         keys[i] = keys[j];
4561                                 keys_length--;
4562                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4563                                 return;
4564                         } else {
4565                                 /* found: replace */
4566                                 DNPRINTF(SWM_D_KEY,
4567                                     "setkeybinding: replace #%d %s %s\n",
4568                                     i, keyfuncs[keys[i].funcid].name,
4569                                     spawn_name);
4570                                 free(keys[i].spawn_name);
4571                                 keys[i].mod = mod;
4572                                 keys[i].keysym = ks;
4573                                 keys[i].funcid = kfid;
4574                                 keys[i].spawn_name = strdupsafe(spawn_name);
4575                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4576                                 return;
4577                         }
4578                 }
4579         }
4580         if (kfid == kf_invalid) {
4581                 fprintf(stderr,
4582                     "error: setkeybinding: cannot find mod/key combination");
4583                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4584                 return;
4585         }
4586         /* not found: add */
4587         if (keys_size == 0 || keys == NULL) {
4588                 keys_size = 4;
4589                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4590                 keys = malloc((size_t)keys_size * sizeof(struct key));
4591                 if (keys == NULL) {
4592                         fprintf(stderr, "malloc failed\n");
4593                         perror(" failed");
4594                         quit(NULL, NULL);
4595                 }
4596         } else if (keys_length == keys_size) {
4597                 keys_size *= 2;
4598                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4599                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4600                 if (keys == NULL) {
4601                         fprintf(stderr, "realloc failed\n");
4602                         perror(" failed");
4603                         quit(NULL, NULL);
4604                 }
4605         }
4606         if (keys_length < keys_size) {
4607                 j = keys_length++;
4608                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4609                     j, keyfuncs[kfid].name, spawn_name);
4610                 keys[j].mod = mod;
4611                 keys[j].keysym = ks;
4612                 keys[j].funcid = kfid;
4613                 keys[j].spawn_name = strdupsafe(spawn_name);
4614         } else {
4615                 fprintf(stderr, "keys array problem?\n");
4616                 if (keys == NULL) {
4617                         fprintf(stderr, "keys array problem\n");
4618                         quit(NULL, NULL);
4619                 }
4620         }
4621         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4622 }
4623
4624 int
4625 setconfbinding(char *selector, char *value, int flags)
4626 {
4627         enum keyfuncid          kfid;
4628         unsigned int            mod;
4629         KeySym                  ks;
4630         int                     i;
4631         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4632         if (selector == NULL) {
4633                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4634                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4635                         kfid = kf_invalid;
4636                         setkeybinding(mod, ks, kfid, NULL);
4637                         return (0);
4638                 } else
4639                         return (1);
4640         }
4641         /* search by key function name */
4642         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4643                 if (strncasecmp(selector, keyfuncs[kfid].name,
4644                     SWM_FUNCNAME_LEN) == 0) {
4645                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4646                             selector);
4647                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4648                                 setkeybinding(mod, ks, kfid, NULL);
4649                                 return (0);
4650                         } else
4651                                 return (1);
4652                 }
4653         }
4654         /* search by custom spawn name */
4655         for (i = 0; i < spawns_length; i++) {
4656                 if (strcasecmp(selector, spawns[i].name) == 0) {
4657                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4658                             selector);
4659                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4660                                 setkeybinding(mod, ks, kf_spawn_custom,
4661                                     spawns[i].name);
4662                                 return (0);
4663                         } else
4664                                 return (1);
4665                 }
4666         }
4667         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4668         return (1);
4669 }
4670
4671 void
4672 setup_keys(void)
4673 {
4674         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4675         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4676         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4677         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4678         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4679         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4680         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4681         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4682         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4683         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4684         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4685         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4686         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4687         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4688         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4689         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4690         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4691         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4692         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4693         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4694         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4695         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4696         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4697         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4698         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4699         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4700         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4701         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4702         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4703         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4704         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4705         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4706         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4707         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4708         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4709         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4710         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4711         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4712         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4713         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4714         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4715         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4716         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4717         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4718         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4719         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4720         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4721         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4722         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4723         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4724         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4725         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4726         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4727         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4728         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4729         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4730         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4731         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4732         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4733         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4734         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4735         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4736         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4737         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4738         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4739         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4740         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4741         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4742         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4743         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4744         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4745 #ifdef SWM_DEBUG
4746         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4747 #endif
4748 }
4749
4750 void
4751 clear_keys(void)
4752 {
4753         int                     i;
4754
4755         /* clear all key bindings, if any */
4756         for (i = 0; i < keys_length; i++)
4757                 free(keys[i].spawn_name);
4758         keys_length = 0;
4759 }
4760
4761 int
4762 setkeymapping(char *selector, char *value, int flags)
4763 {
4764         char                    keymapping_file[PATH_MAX];
4765         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4766         if (value[0] == '~')
4767                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4768                     pwd->pw_dir, &value[1]);
4769         else
4770                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4771         clear_keys();
4772         /* load new key bindings; if it fails, revert to default bindings */
4773         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4774                 clear_keys();
4775                 setup_keys();
4776         }
4777         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4778         return (0);
4779 }
4780
4781 void
4782 updatenumlockmask(void)
4783 {
4784         unsigned int            i, j;
4785         XModifierKeymap         *modmap;
4786
4787         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4788         numlockmask = 0;
4789         modmap = XGetModifierMapping(display);
4790         for (i = 0; i < 8; i++)
4791                 for (j = 0; j < modmap->max_keypermod; j++)
4792                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4793                             == XKeysymToKeycode(display, XK_Num_Lock))
4794                                 numlockmask = (1 << i);
4795
4796         XFreeModifiermap(modmap);
4797 }
4798
4799 void
4800 grabkeys(void)
4801 {
4802         unsigned int            i, j, k;
4803         KeyCode                 code;
4804         unsigned int            modifiers[] =
4805             { 0, LockMask, numlockmask, numlockmask | LockMask };
4806
4807         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4808         updatenumlockmask();
4809
4810         for (k = 0; k < ScreenCount(display); k++) {
4811                 if (TAILQ_EMPTY(&screens[k].rl))
4812                         continue;
4813                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4814                 for (i = 0; i < keys_length; i++) {
4815                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4816                                 for (j = 0; j < LENGTH(modifiers); j++)
4817                                         XGrabKey(display, code,
4818                                             keys[i].mod | modifiers[j],
4819                                             screens[k].root, True,
4820                                             GrabModeAsync, GrabModeAsync);
4821                 }
4822         }
4823 }
4824
4825 void
4826 grabbuttons(struct ws_win *win, int focused)
4827 {
4828         unsigned int            i, j;
4829         unsigned int            modifiers[] =
4830             { 0, LockMask, numlockmask, numlockmask|LockMask };
4831
4832         updatenumlockmask();
4833         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4834         if (focused) {
4835                 for (i = 0; i < LENGTH(buttons); i++)
4836                         if (buttons[i].action == client_click)
4837                                 for (j = 0; j < LENGTH(modifiers); j++)
4838                                         XGrabButton(display, buttons[i].button,
4839                                             buttons[i].mask | modifiers[j],
4840                                             win->id, False, BUTTONMASK,
4841                                             GrabModeAsync, GrabModeSync, None,
4842                                             None);
4843         } else
4844                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4845                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4846 }
4847
4848 const char *quirkname[] = {
4849         "NONE",         /* config string for "no value" */
4850         "FLOAT",
4851         "TRANSSZ",
4852         "ANYWHERE",
4853         "XTERM_FONTADJ",
4854         "FULLSCREEN",
4855         "FOCUSPREV",
4856 };
4857
4858 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4859 #define SWM_Q_WS                "\n|+ \t"
4860 int
4861 parsequirks(char *qstr, unsigned long *quirk)
4862 {
4863         char                    *cp, *name;
4864         int                     i;
4865
4866         if (quirk == NULL)
4867                 return (1);
4868
4869         cp = qstr;
4870         *quirk = 0;
4871         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4872                 if (cp)
4873                         cp += (long)strspn(cp, SWM_Q_WS);
4874                 for (i = 0; i < LENGTH(quirkname); i++) {
4875                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4876                                 DNPRINTF(SWM_D_QUIRK,
4877                                     "parsequirks: %s\n", name);
4878                                 if (i == 0) {
4879                                         *quirk = 0;
4880                                         return (0);
4881                                 }
4882                                 *quirk |= 1 << (i-1);
4883                                 break;
4884                         }
4885                 }
4886                 if (i >= LENGTH(quirkname)) {
4887                         DNPRINTF(SWM_D_QUIRK,
4888                             "parsequirks: invalid quirk [%s]\n", name);
4889                         return (1);
4890                 }
4891         }
4892         return (0);
4893 }
4894
4895 void
4896 setquirk(const char *class, const char *name, const int quirk)
4897 {
4898         int                     i, j;
4899
4900         /* find existing */
4901         for (i = 0; i < quirks_length; i++) {
4902                 if (!strcmp(quirks[i].class, class) &&
4903                     !strcmp(quirks[i].name, name)) {
4904                         if (!quirk) {
4905                                 /* found: delete */
4906                                 DNPRINTF(SWM_D_QUIRK,
4907                                     "setquirk: delete #%d %s:%s\n",
4908                                     i, quirks[i].class, quirks[i].name);
4909                                 free(quirks[i].class);
4910                                 free(quirks[i].name);
4911                                 j = quirks_length - 1;
4912                                 if (i < j)
4913                                         quirks[i] = quirks[j];
4914                                 quirks_length--;
4915                                 return;
4916                         } else {
4917                                 /* found: replace */
4918                                 DNPRINTF(SWM_D_QUIRK,
4919                                     "setquirk: replace #%d %s:%s\n",
4920                                     i, quirks[i].class, quirks[i].name);
4921                                 free(quirks[i].class);
4922                                 free(quirks[i].name);
4923                                 quirks[i].class = strdup(class);
4924                                 quirks[i].name = strdup(name);
4925                                 quirks[i].quirk = quirk;
4926                                 return;
4927                         }
4928                 }
4929         }
4930         if (!quirk) {
4931                 fprintf(stderr,
4932                     "error: setquirk: cannot find class/name combination");
4933                 return;
4934         }
4935         /* not found: add */
4936         if (quirks_size == 0 || quirks == NULL) {
4937                 quirks_size = 4;
4938                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4939                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4940                 if (quirks == NULL) {
4941                         fprintf(stderr, "setquirk: malloc failed\n");
4942                         perror(" failed");
4943                         quit(NULL, NULL);
4944                 }
4945         } else if (quirks_length == quirks_size) {
4946                 quirks_size *= 2;
4947                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4948                 quirks = realloc(quirks,
4949                     (size_t)quirks_size * sizeof(struct quirk));
4950                 if (quirks == NULL) {
4951                         fprintf(stderr, "setquirk: realloc failed\n");
4952                         perror(" failed");
4953                         quit(NULL, NULL);
4954                 }
4955         }
4956         if (quirks_length < quirks_size) {
4957                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4958                 j = quirks_length++;
4959                 quirks[j].class = strdup(class);
4960                 quirks[j].name = strdup(name);
4961                 quirks[j].quirk = quirk;
4962         } else {
4963                 fprintf(stderr, "quirks array problem?\n");
4964                 if (quirks == NULL) {
4965                         fprintf(stderr, "quirks array problem!\n");
4966                         quit(NULL, NULL);
4967                 }
4968         }
4969 }
4970
4971 int
4972 setconfquirk(char *selector, char *value, int flags)
4973 {
4974         char                    *cp, *class, *name;
4975         int                     retval;
4976         unsigned long           quirks;
4977         if (selector == NULL)
4978                 return (0);
4979         if ((cp = strchr(selector, ':')) == NULL)
4980                 return (0);
4981         *cp = '\0';
4982         class = selector;
4983         name = cp + 1;
4984         if ((retval = parsequirks(value, &quirks)) == 0)
4985                 setquirk(class, name, quirks);
4986         return (retval);
4987 }
4988
4989 void
4990 setup_quirks(void)
4991 {
4992         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4993         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4994         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4995         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4996         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4997         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4998         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4999         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5000         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5001         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5002         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5003         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5004         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5005 }
5006
5007 /* conf file stuff */
5008 #define SWM_CONF_FILE   "scrotwm.conf"
5009
5010 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5011           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5012           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5013           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5014           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5015           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5016           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5017           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5018           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5019         };
5020
5021 int
5022 setconfvalue(char *selector, char *value, int flags)
5023 {
5024         int     i;
5025
5026         switch (flags) {
5027         case SWM_S_BAR_DELAY:
5028                 bar_delay = atoi(value);
5029                 break;
5030         case SWM_S_BAR_ENABLED:
5031                 bar_enabled = atoi(value);
5032                 break;
5033         case SWM_S_BAR_BORDER_WIDTH:
5034                 bar_border_width = atoi(value);
5035                 break;
5036         case SWM_S_BAR_AT_BOTTOM:
5037                 bar_at_bottom = atoi(value);
5038                 break;
5039         case SWM_S_BAR_JUSTIFY:
5040                 if (!strcmp(value, "left"))
5041                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5042                 else if (!strcmp(value, "center"))
5043                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5044                 else if (!strcmp(value, "right"))
5045                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5046                 else
5047                         errx(1, "invalid bar_justify");
5048                 break;
5049         case SWM_S_STACK_ENABLED:
5050                 stack_enabled = atoi(value);
5051                 break;
5052         case SWM_S_CLOCK_ENABLED:
5053                 clock_enabled = atoi(value);
5054                 break;
5055         case SWM_S_CLOCK_FORMAT:
5056 #ifndef SWM_DENY_CLOCK_FORMAT
5057                 free(clock_format);
5058                 if ((clock_format = strdup(value)) == NULL)
5059                         err(1, "setconfvalue: clock_format");
5060 #endif
5061                 break;
5062         case SWM_S_CYCLE_EMPTY:
5063                 cycle_empty = atoi(value);
5064                 break;
5065         case SWM_S_CYCLE_VISIBLE:
5066                 cycle_visible = atoi(value);
5067                 break;
5068         case SWM_S_SS_ENABLED:
5069                 ss_enabled = atoi(value);
5070                 break;
5071         case SWM_S_TERM_WIDTH:
5072                 term_width = atoi(value);
5073                 break;
5074         case SWM_S_TITLE_CLASS_ENABLED:
5075                 title_class_enabled = atoi(value);
5076                 break;
5077         case SWM_S_WINDOW_NAME_ENABLED:
5078                 window_name_enabled = atoi(value);
5079                 break;
5080         case SWM_S_TITLE_NAME_ENABLED:
5081                 title_name_enabled = atoi(value);
5082                 break;
5083         case SWM_S_URGENT_ENABLED:
5084                 urgent_enabled = atoi(value);
5085                 break;
5086         case SWM_S_FOCUS_MODE:
5087                 if (!strcmp(value, "default"))
5088                         focus_mode = SWM_FOCUS_DEFAULT;
5089                 else if (!strcmp(value, "follow_cursor"))
5090                         focus_mode = SWM_FOCUS_FOLLOW;
5091                 else if (!strcmp(value, "synergy"))
5092                         focus_mode = SWM_FOCUS_SYNERGY;
5093                 else
5094                         errx(1, "focus_mode");
5095                 break;
5096         case SWM_S_DISABLE_BORDER:
5097                 disable_border = atoi(value);
5098                 break;
5099         case SWM_S_BORDER_WIDTH:
5100                 border_width = atoi(value);
5101                 break;
5102         case SWM_S_BAR_FONT:
5103                 free(bar_fonts[0]);
5104                 if ((bar_fonts[0] = strdup(value)) == NULL)
5105                         err(1, "setconfvalue: bar_font");
5106                 break;
5107         case SWM_S_BAR_ACTION:
5108                 free(bar_argv[0]);
5109                 if ((bar_argv[0] = strdup(value)) == NULL)
5110                         err(1, "setconfvalue: bar_action");
5111                 break;
5112         case SWM_S_SPAWN_TERM:
5113                 free(spawn_term[0]);
5114                 if ((spawn_term[0] = strdup(value)) == NULL)
5115                         err(1, "setconfvalue: spawn_term");
5116                 break;
5117         case SWM_S_SS_APP:
5118                 break;
5119         case SWM_S_DIALOG_RATIO:
5120                 dialog_ratio = atof(value);
5121                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5122                         dialog_ratio = .6;
5123                 break;
5124         case SWM_S_VERBOSE_LAYOUT:
5125                 verbose_layout = atoi(value);
5126                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5127                         if (verbose_layout)
5128                                 layouts[i].l_string = fancy_stacker;
5129                         else
5130                                 layouts[i].l_string = plain_stacker;
5131                 }
5132                 break;
5133         default:
5134                 return (1);
5135         }
5136         return (0);
5137 }
5138
5139 int
5140 setconfmodkey(char *selector, char *value, int flags)
5141 {
5142         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5143                 update_modkey(Mod1Mask);
5144         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5145                 update_modkey(Mod2Mask);
5146         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5147                 update_modkey(Mod3Mask);
5148         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5149                 update_modkey(Mod4Mask);
5150         else
5151                 return (1);
5152         return (0);
5153 }
5154
5155 int
5156 setconfcolor(char *selector, char *value, int flags)
5157 {
5158         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5159         return (0);
5160 }
5161
5162 int
5163 setconfregion(char *selector, char *value, int flags)
5164 {
5165         custom_region(value);
5166         return (0);
5167 }
5168
5169 int
5170 setautorun(char *selector, char *value, int flags)
5171 {
5172         int                     ws_id;
5173         char                    s[1024];
5174         char                    *ap, *sp = s;
5175         union arg               a;
5176         int                     argc = 0;
5177         long                    pid;
5178         struct pid_e            *p;
5179
5180         if (getenv("SWM_STARTED"))
5181                 return (0);
5182
5183         bzero(s, sizeof s);
5184         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5185                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5186         ws_id--;
5187         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5188                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5189
5190         /*
5191          * This is a little intricate
5192          *
5193          * If the pid already exists we simply reuse it because it means it was
5194          * used before AND not claimed by manage_window.  We get away with
5195          * altering it in the parent after INSERT because this can not be a race
5196          */
5197         a.argv = NULL;
5198         while ((ap = strsep(&sp, " \t")) != NULL) {
5199                 if (*ap == '\0')
5200                         continue;
5201                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5202                 argc++;
5203                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5204                         err(1, "setautorun: realloc");
5205                 a.argv[argc - 1] = ap;
5206         }
5207
5208         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5209                 err(1, "setautorun: realloc");
5210         a.argv[argc] = NULL;
5211
5212         if ((pid = fork()) == 0) {
5213                 spawn(ws_id, &a, 1);
5214                 /* NOTREACHED */
5215                 _exit(1);
5216         }
5217         free(a.argv);
5218
5219         /* parent */
5220         p = find_pid(pid);
5221         if (p == NULL) {
5222                 p = calloc(1, sizeof *p);
5223                 if (p == NULL)
5224                         return (1);
5225                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5226         }
5227
5228         p->pid = pid;
5229         p->ws = ws_id;
5230
5231         return (0);
5232 }
5233
5234 int
5235 setlayout(char *selector, char *value, int flags)
5236 {
5237         int                     ws_id, i, x, mg, ma, si, raise;
5238         int                     st = SWM_V_STACK;
5239         char                    s[1024];
5240         struct workspace        *ws;
5241
5242         if (getenv("SWM_STARTED"))
5243                 return (0);
5244
5245         bzero(s, sizeof s);
5246         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5247             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5248                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5249                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5250                     "<type>'");
5251         ws_id--;
5252         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5253                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5254
5255         if (!strcasecmp(s, "vertical"))
5256                 st = SWM_V_STACK;
5257         else if (!strcasecmp(s, "horizontal"))
5258                 st = SWM_H_STACK;
5259         else if (!strcasecmp(s, "fullscreen"))
5260                 st = SWM_MAX_STACK;
5261         else
5262                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5263                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5264                     "<type>'");
5265
5266         for (i = 0; i < ScreenCount(display); i++) {
5267                 ws = (struct workspace *)&screens[i].ws;
5268                 ws[ws_id].cur_layout = &layouts[st];
5269
5270                 ws[ws_id].always_raise = raise;
5271                 if (st == SWM_MAX_STACK)
5272                         continue;
5273
5274                 /* master grow */
5275                 for (x = 0; x < abs(mg); x++) {
5276                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5277                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5278                             SWM_ARG_ID_MASTERSHRINK);
5279                         stack();
5280                 }
5281                 /* master add */
5282                 for (x = 0; x < abs(ma); x++) {
5283                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5284                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5285                             SWM_ARG_ID_MASTERDEL);
5286                         stack();
5287                 }
5288                 /* stack inc */
5289                 for (x = 0; x < abs(si); x++) {
5290                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5291                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5292                             SWM_ARG_ID_STACKDEC);
5293                         stack();
5294                 }
5295         }
5296
5297         return (0);
5298 }
5299
5300 /* config options */
5301 struct config_option {
5302         char                    *optname;
5303         int                     (*func)(char*, char*, int);
5304         int                     funcflags;
5305 };
5306 struct config_option configopt[] = {
5307         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5308         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5309         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5310         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5311         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5312         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5313         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5314         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5315         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5316         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5317         { "keyboard_mapping",           setkeymapping,  0 },
5318         { "bind",                       setconfbinding, 0 },
5319         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5320         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5321         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5322         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5323         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5324         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5325         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5326         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5327         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5328         { "modkey",                     setconfmodkey,  0 },
5329         { "program",                    setconfspawn,   0 },
5330         { "quirk",                      setconfquirk,   0 },
5331         { "region",                     setconfregion,  0 },
5332         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5333         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5334         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5335         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5336         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5337         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5338         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5339         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5340         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5341         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5342         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5343         { "autorun",                    setautorun,     0 },
5344         { "layout",                     setlayout,      0 },
5345 };
5346
5347
5348 int
5349 conf_load(char *filename, int keymapping)
5350 {
5351         FILE                    *config;
5352         char                    *line, *cp, *optsub, *optval;
5353         size_t                  linelen, lineno = 0;
5354         int                     wordlen, i, optind;
5355         struct config_option    *opt;
5356
5357         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
5358
5359         if (filename == NULL) {
5360                 fprintf(stderr, "conf_load: no filename\n");
5361                 return (1);
5362         }
5363         if ((config = fopen(filename, "r")) == NULL) {
5364                 warn("conf_load: fopen: %s", filename);
5365                 return (1);
5366         }
5367
5368         while (!feof(config)) {
5369                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5370                     == NULL) {
5371                         if (ferror(config))
5372                                 err(1, "%s", filename);
5373                         else
5374                                 continue;
5375                 }
5376                 cp = line;
5377                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5378                 if (cp[0] == '\0') {
5379                         /* empty line */
5380                         free(line);
5381                         continue;
5382                 }
5383                 /* get config option */
5384                 wordlen = strcspn(cp, "=[ \t\n");
5385                 if (wordlen == 0) {
5386                         warnx("%s: line %zd: no option found",
5387                             filename, lineno);
5388                         return (1);
5389                 }
5390                 optind = -1;
5391                 for (i = 0; i < LENGTH(configopt); i++) {
5392                         opt = &configopt[i];
5393                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5394                             strlen(opt->optname) == wordlen) {
5395                                 optind = i;
5396                                 break;
5397                         }
5398                 }
5399                 if (optind == -1) {
5400                         warnx("%s: line %zd: unknown option %.*s",
5401                             filename, lineno, wordlen, cp);
5402                         return (1);
5403                 }
5404                 if (keymapping && strcmp(opt->optname, "bind")) {
5405                         warnx("%s: line %zd: invalid option %.*s",
5406                             filename, lineno, wordlen, cp);
5407                         return (1);
5408                 }
5409                 cp += wordlen;
5410                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5411                 /* get [selector] if any */
5412                 optsub = NULL;
5413                 if (*cp == '[') {
5414                         cp++;
5415                         wordlen = strcspn(cp, "]");
5416                         if (*cp != ']') {
5417                                 if (wordlen == 0) {
5418                                         warnx("%s: line %zd: syntax error",
5419                                             filename, lineno);
5420                                         return (1);
5421                                 }
5422                                 asprintf(&optsub, "%.*s", wordlen, cp);
5423                         }
5424                         cp += wordlen;
5425                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5426                 }
5427                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5428                 /* get RHS value */
5429                 optval = strdup(cp);
5430                 /* call function to deal with it all */
5431                 if (configopt[optind].func(optsub, optval,
5432                     configopt[optind].funcflags) != 0) {
5433                         fprintf(stderr, "%s line %zd: %s\n",
5434                             filename, lineno, line);
5435                         errx(1, "%s: line %zd: invalid data for %s",
5436                             filename, lineno, configopt[optind].optname);
5437                 }
5438                 free(optval);
5439                 free(optsub);
5440                 free(line);
5441         }
5442
5443         fclose(config);
5444         DNPRINTF(SWM_D_CONF, "conf_load end\n");
5445
5446         return (0);
5447 }
5448
5449 void
5450 set_child_transient(struct ws_win *win, Window *trans)
5451 {
5452         struct ws_win           *parent, *w;
5453         XWMHints                *wmh = NULL;
5454         struct swm_region       *r;
5455         struct workspace        *ws;
5456
5457         parent = find_window(win->transient);
5458         if (parent)
5459                 parent->child_trans = win;
5460         else {
5461                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5462                     " for %lu trans %lu\n", win->id, win->transient);
5463
5464                 if (win->hints == NULL) {
5465                         fprintf(stderr, "no hints for %lu\n", win->id);
5466                         return;
5467                 }
5468
5469                 r = root_to_region(win->wa.root);
5470                 ws = r->ws;
5471                 /* parent doen't exist in our window list */
5472                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5473                         if (wmh)
5474                                 XFree(wmh);
5475
5476                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5477                                 fprintf(stderr, "can't get hints for %lu\n",
5478                                     w->id);
5479                                 continue;
5480                         }
5481
5482                         if (win->hints->window_group != wmh->window_group)
5483                                 continue;
5484
5485                         w->child_trans = win;
5486                         win->transient = w->id;
5487                         *trans = w->id;
5488                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5489                             "transient to %lu\n", win->transient);
5490                         break;
5491                 }
5492         }
5493
5494         if (wmh)
5495                 XFree(wmh);
5496 }
5497
5498 long
5499 window_get_pid(Window win)
5500 {
5501         Atom                    actual_type_return;
5502         int                     actual_format_return = 0;
5503         unsigned long           nitems_return = 0;
5504         unsigned long           bytes_after_return = 0;
5505         long                    *pid = NULL;
5506         long                    ret = 0;
5507         const char              *errstr;
5508         unsigned char           *prop = NULL;
5509
5510         if (XGetWindowProperty(display, win,
5511             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5512             XA_CARDINAL, &actual_type_return, &actual_format_return,
5513             &nitems_return, &bytes_after_return,
5514             (unsigned char**)(void*)&pid) != Success)
5515                 goto tryharder;
5516         if (actual_type_return != XA_CARDINAL)
5517                 goto tryharder;
5518         if (pid == NULL)
5519                 goto tryharder;
5520
5521         ret = *pid;
5522         XFree(pid);
5523
5524         return (ret);
5525
5526 tryharder:
5527         if (XGetWindowProperty(display, win,
5528             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5529             XA_STRING, &actual_type_return, &actual_format_return,
5530             &nitems_return, &bytes_after_return, &prop) != Success)
5531                 return (0);
5532         if (actual_type_return != XA_STRING)
5533                 return (0);
5534         if (prop == NULL)
5535                 return (0);
5536
5537         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5538         /* ignore error because strtonum returns 0 anyway */
5539         XFree(prop);
5540
5541         return (ret);
5542 }
5543
5544 struct ws_win *
5545 manage_window(Window id)
5546 {
5547         Window                  trans = 0;
5548         struct workspace        *ws;
5549         struct ws_win           *win, *ww;
5550         int                     format, i, ws_idx, n, border_me = 0;
5551         unsigned long           nitems, bytes;
5552         Atom                    ws_idx_atom = 0, type;
5553         Atom                    *prot = NULL, *pp;
5554         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5555         struct swm_region       *r;
5556         long                    mask;
5557         const char              *errstr;
5558         XWindowChanges          wc;
5559         struct pid_e            *p;
5560
5561         if ((win = find_window(id)) != NULL)
5562                 return (win);   /* already being managed */
5563
5564         /* see if we are on the unmanaged list */
5565         if ((win = find_unmanaged_window(id)) != NULL) {
5566                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
5567                     "%lu\n", win->id);
5568                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5569                 if (win->transient) {
5570                         set_child_transient(win, &trans);
5571                 } if (trans && (ww = find_window(trans)))
5572                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5573                 else
5574                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5575                 ewmh_update_actions(win);
5576                 return (win);
5577         }
5578
5579         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5580                 err(1, "calloc: failed to allocate memory for new window");
5581
5582         win->id = id;
5583
5584         /* see if we need to override the workspace */
5585         p = find_pid(window_get_pid(id));
5586
5587         /* Get all the window data in one shot */
5588         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5589         if (ws_idx_atom) {
5590                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5591                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5592         }
5593         XGetWindowAttributes(display, id, &win->wa);
5594         XGetWMNormalHints(display, id, &win->sh, &mask);
5595         win->hints = XGetWMHints(display, id);
5596         XGetTransientForHint(display, id, &trans);
5597         if (trans) {
5598                 win->transient = trans;
5599                 set_child_transient(win, &trans);
5600                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
5601                     win->id, win->transient);
5602         }
5603
5604         /* get supported protocols */
5605         if (XGetWMProtocols(display, id, &prot, &n)) {
5606                 for (i = 0, pp = prot; i < n; i++, pp++) {
5607                         if (*pp == takefocus)
5608                                 win->take_focus = 1;
5609                         if (*pp == adelete)
5610                                 win->can_delete = 1;
5611                 }
5612                 if (prot)
5613                         XFree(prot);
5614         }
5615
5616         win->iconic = get_iconic(win);
5617
5618         /*
5619          * Figure out where to put the window. If it was previously assigned to
5620          * a workspace (either by spawn() or manually moving), and isn't
5621          * transient, * put it in the same workspace
5622          */
5623         r = root_to_region(win->wa.root);
5624         if (p) {
5625                 ws = &r->s->ws[p->ws];
5626                 TAILQ_REMOVE(&pidlist, p, entry);
5627                 free(p);
5628                 p = NULL;
5629         } else if (prop && win->transient == 0) {
5630                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
5631                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5632                 if (errstr) {
5633                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
5634                             errstr, prop);
5635                 }
5636                 ws = &r->s->ws[ws_idx];
5637         } else {
5638                 ws = r->ws;
5639                 /* this should launch transients in the same ws as parent */
5640                 if (id && trans)
5641                         if ((ww = find_window(trans)) != NULL)
5642                                 if (ws->r) {
5643                                         ws = ww->ws;
5644                                         if (ww->ws->r)
5645                                                 r = ww->ws->r;
5646                                         else
5647                                                 fprintf(stderr,
5648                                                     "fix this bug mcbride\n");
5649                                         border_me = 1;
5650                                 }
5651         }
5652
5653         /* set up the window layout */
5654         win->id = id;
5655         win->ws = ws;
5656         win->s = r->s;  /* this never changes */
5657         if (trans && (ww = find_window(trans)))
5658                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5659         else
5660                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5661
5662         win->g.w = win->wa.width;
5663         win->g.h = win->wa.height;
5664         win->g.x = win->wa.x;
5665         win->g.y = win->wa.y;
5666         win->g_floatvalid = 0;
5667         win->floatmaxed = 0;
5668         win->ewmh_flags = 0;
5669
5670         /* Set window properties so we can remember this after reincarnation */
5671         if (ws_idx_atom && prop == NULL &&
5672             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5673                 SWM_PROPLEN) {
5674                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
5675                     ws_idx_str);
5676                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5677                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5678         }
5679         if (prop)
5680                 XFree(prop);
5681
5682         ewmh_autoquirk(win);
5683
5684         if (XGetClassHint(display, win->id, &win->ch)) {
5685                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
5686                     win->ch.res_class, win->ch.res_name);
5687
5688                 /* java is retarded so treat it special */
5689                 if (strstr(win->ch.res_name, "sun-awt")) {
5690                         win->java = 1;
5691                         border_me = 1;
5692                 }
5693
5694                 for (i = 0; i < quirks_length; i++){
5695                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
5696                             !strcmp(win->ch.res_name, quirks[i].name)) {
5697                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
5698                                     win->ch.res_class, win->ch.res_name);
5699                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
5700                                         win->floating = 1;
5701                                         border_me = 1;
5702                                 }
5703                                 win->quirks = quirks[i].quirk;
5704                         }
5705                 }
5706         }
5707
5708         /* alter window position if quirky */
5709         if (win->quirks & SWM_Q_ANYWHERE) {
5710                 win->manual = 1; /* don't center the quirky windows */
5711                 bzero(&wc, sizeof wc);
5712                 mask = 0;
5713                 if (bar_enabled && win->g.y < bar_height) {
5714                         win->g.y = wc.y = bar_height;
5715                         mask |= CWY;
5716                 }
5717                 if (win->g.w + win->g.x > WIDTH(r)) {
5718                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
5719                         mask |= CWX;
5720                 }
5721                 border_me = 1;
5722         }
5723
5724         /* Reset font sizes (the bruteforce way; no default keybinding). */
5725         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5726                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5727                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5728                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5729                         fake_keypress(win, XK_KP_Add, ShiftMask);
5730         }
5731
5732         ewmh_get_win_state(win);
5733         ewmh_update_actions(win);
5734         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5735
5736         /* border me */
5737         if (border_me) {
5738                 bzero(&wc, sizeof wc);
5739                 wc.border_width = border_width;
5740                 mask = CWBorderWidth;
5741                 XConfigureWindow(display, win->id, mask, &wc);
5742         }
5743
5744         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5745             PropertyChangeMask | StructureNotifyMask);
5746
5747         /* floaters need to be mapped if they are in the current workspace */
5748         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5749                 XMapRaised(display, win->id);
5750
5751         return (win);
5752 }
5753
5754 void
5755 free_window(struct ws_win *win)
5756 {
5757         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5758
5759         if (win == NULL)
5760                 return;
5761
5762         /* needed for restart wm */
5763         set_win_state(win, WithdrawnState);
5764
5765         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5766
5767         if (win->ch.res_class)
5768                 XFree(win->ch.res_class);
5769         if (win->ch.res_name)
5770                 XFree(win->ch.res_name);
5771
5772         kill_refs(win);
5773
5774         /* paint memory */
5775         memset(win, 0xff, sizeof *win); /* XXX kill later */
5776
5777         free(win);
5778 }
5779
5780 void
5781 unmanage_window(struct ws_win *win)
5782 {
5783         struct ws_win           *parent;
5784
5785         if (win == NULL)
5786                 return;
5787
5788         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5789
5790         if (win->transient) {
5791                 parent = find_window(win->transient);
5792                 if (parent)
5793                         parent->child_trans = NULL;
5794         }
5795
5796         /* focus on root just in case */
5797         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5798
5799         focus_prev(win);
5800
5801         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5802         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5803
5804         kill_refs(win);
5805 }
5806
5807 void
5808 focus_magic(struct ws_win *win)
5809 {
5810         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5811
5812         if (win == NULL)
5813                 return;
5814
5815         if (win->child_trans) {
5816                 /* win = parent & has a transient so focus on that */
5817                 if (win->java) {
5818                         focus_win(win->child_trans);
5819                         if (win->child_trans->take_focus)
5820                                 client_msg(win, takefocus);
5821                 } else {
5822                         /* make sure transient hasn't dissapeared */
5823                         if (validate_win(win->child_trans) == 0) {
5824                                 focus_win(win->child_trans);
5825                                 if (win->child_trans->take_focus)
5826                                         client_msg(win->child_trans, takefocus);
5827                         } else {
5828                                 win->child_trans = NULL;
5829                                 focus_win(win);
5830                                 if (win->take_focus)
5831                                         client_msg(win, takefocus);
5832                         }
5833                 }
5834         } else {
5835                 /* regular focus */
5836                 focus_win(win);
5837                 if (win->take_focus)
5838                         client_msg(win, takefocus);
5839         }
5840 }
5841
5842 void
5843 expose(XEvent *e)
5844 {
5845         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5846 }
5847
5848 void
5849 keypress(XEvent *e)
5850 {
5851         unsigned int            i;
5852         KeySym                  keysym;
5853         XKeyEvent               *ev = &e->xkey;
5854
5855         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5856
5857         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5858         for (i = 0; i < keys_length; i++)
5859                 if (keysym == keys[i].keysym
5860                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5861                     && keyfuncs[keys[i].funcid].func) {
5862                         if (keys[i].funcid == kf_spawn_custom)
5863                                 spawn_custom(
5864                                     root_to_region(ev->root),
5865                                     &(keyfuncs[keys[i].funcid].args),
5866                                     keys[i].spawn_name
5867                                     );
5868                         else
5869                                 keyfuncs[keys[i].funcid].func(
5870                                     root_to_region(ev->root),
5871                                     &(keyfuncs[keys[i].funcid].args)
5872                                     );
5873                 }
5874 }
5875
5876 void
5877 buttonpress(XEvent *e)
5878 {
5879         struct ws_win           *win;
5880         int                     i, action;
5881         XButtonPressedEvent     *ev = &e->xbutton;
5882
5883         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5884
5885         if ((win = find_window(ev->window)) == NULL)
5886                 return;
5887
5888         focus_magic(win);
5889         action = client_click;
5890
5891         for (i = 0; i < LENGTH(buttons); i++)
5892                 if (action == buttons[i].action && buttons[i].func &&
5893                     buttons[i].button == ev->button &&
5894                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5895                         buttons[i].func(win, &buttons[i].args);
5896 }
5897
5898 void
5899 configurerequest(XEvent *e)
5900 {
5901         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5902         struct ws_win           *win;
5903         int                     new = 0;
5904         XWindowChanges          wc;
5905
5906         if ((win = find_window(ev->window)) == NULL)
5907                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5908                         new = 1;
5909
5910         if (new) {
5911                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5912                     ev->window);
5913                 bzero(&wc, sizeof wc);
5914                 wc.x = ev->x;
5915                 wc.y = ev->y;
5916                 wc.width = ev->width;
5917                 wc.height = ev->height;
5918                 wc.border_width = ev->border_width;
5919                 wc.sibling = ev->above;
5920                 wc.stack_mode = ev->detail;
5921                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5922         } else {
5923                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5924                     ev->window);
5925                 config_win(win, ev);
5926         }
5927 }
5928
5929 void
5930 configurenotify(XEvent *e)
5931 {
5932         struct ws_win           *win;
5933         long                    mask;
5934
5935         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5936             e->xconfigure.window);
5937
5938         win = find_window(e->xconfigure.window);
5939         if (win) {
5940                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5941                 adjust_font(win);
5942                 if (font_adjusted)
5943                         stack();
5944                 if (focus_mode == SWM_FOCUS_DEFAULT)
5945                         drain_enter_notify();
5946         }
5947 }
5948
5949 void
5950 destroynotify(XEvent *e)
5951 {
5952         struct ws_win           *win;
5953         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5954
5955         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5956
5957         if ((win = find_window(ev->window)) == NULL) {
5958                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5959                         return;
5960                 free_window(win);
5961                 return;
5962         }
5963
5964         /* make sure we focus on something */
5965         win->floating = 0;
5966
5967         unmanage_window(win);
5968         stack();
5969         if (focus_mode == SWM_FOCUS_DEFAULT)
5970                 drain_enter_notify();
5971         free_window(win);
5972 }
5973
5974 void
5975 enternotify(XEvent *e)
5976 {
5977         XCrossingEvent          *ev = &e->xcrossing;
5978         XEvent                  cne;
5979         struct ws_win           *win;
5980 #if 0
5981         struct ws_win           *w;
5982         Window                  focus_return;
5983         int                     revert_to_return;
5984 #endif
5985         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5986             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5987             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5988             ev->same_screen, ev->focus, ev->state);
5989
5990         switch (focus_mode) {
5991         case SWM_FOCUS_DEFAULT:
5992                 break;
5993         case SWM_FOCUS_FOLLOW:
5994                 break;
5995         case SWM_FOCUS_SYNERGY:
5996 #if 0
5997         /*
5998          * all these checks need to be in this order because the
5999          * XCheckTypedWindowEvent relies on weeding out the previous events
6000          *
6001          * making this code an option would enable a follow mouse for focus
6002          * feature
6003          */
6004
6005         /*
6006          * state is set when we are switching workspaces and focus is set when
6007          * the window or a subwindow already has focus (occurs during restart).
6008          *
6009          * Only honor the focus flag if last_focus_event is not FocusOut,
6010          * this allows scrotwm to continue to control focus when another
6011          * program is also playing with it.
6012          */
6013         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6014                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6015                 return;
6016         }
6017
6018         /*
6019          * happens when a window is created or destroyed and the border
6020          * crosses the mouse pointer and when switching ws
6021          *
6022          * we need the subwindow test to see if we came from root in order
6023          * to give focus to floaters
6024          */
6025         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6026             ev->subwindow == 0) {
6027                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6028                 return;
6029         }
6030
6031         /* this window already has focus */
6032         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6033                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6034                 return;
6035         }
6036
6037         /* this window is being deleted or moved to another ws */
6038         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6039             &cne) == True) {
6040                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6041                 XPutBackEvent(display, &cne);
6042                 return;
6043         }
6044
6045         if ((win = find_window(ev->window)) == NULL) {
6046                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6047                 return;
6048         }
6049
6050         /*
6051          * In fullstack kill all enters unless they come from a different ws
6052          * (i.e. another region) or focus has been grabbed externally.
6053          */
6054         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6055             last_focus_event != FocusOut) {
6056                 XGetInputFocus(display, &focus_return, &revert_to_return);
6057                 if ((w = find_window(focus_return)) == NULL ||
6058                     w->ws == win->ws) {
6059                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6060                         return;
6061                 }
6062         }
6063 #endif
6064                 break;
6065         }
6066
6067         if ((win = find_window(ev->window)) == NULL) {
6068                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6069                 return;
6070         }
6071
6072         /*
6073          * if we have more enternotifies let them handle it in due time
6074          */
6075         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6076                 DNPRINTF(SWM_D_EVENT,
6077                     "ignoring enternotify: got more enternotify\n");
6078                 XPutBackEvent(display, &cne);
6079                 return;
6080         }
6081
6082         focus_magic(win);
6083 }
6084
6085 /* lets us use one switch statement for arbitrary mode/detail combinations */
6086 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6087
6088 void
6089 focusevent(XEvent *e)
6090 {
6091 #if 0
6092         struct ws_win           *win;
6093         u_int32_t               mode_detail;
6094         XFocusChangeEvent       *ev = &e->xfocus;
6095
6096         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
6097             ev->type == FocusIn ? "entering" : "leaving",
6098             ev->window, ev->mode, ev->detail);
6099
6100         if (last_focus_event == ev->type) {
6101                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6102                 return;
6103         }
6104
6105         last_focus_event = ev->type;
6106         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6107
6108         switch (mode_detail) {
6109         /* synergy client focus operations */
6110         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6111         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6112
6113         /* synergy server focus operations */
6114         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6115
6116         /* Entering applications like rdesktop that mangle the pointer */
6117         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6118
6119                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6120                         XSetWindowBorder(display, win->id,
6121                             win->ws->r->s->c[ev->type == FocusIn ?
6122                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6123                 break;
6124         default:
6125                 fprintf(stderr, "ignoring focusevent\n");
6126                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6127                 break;
6128         }
6129 #endif
6130 }
6131
6132 void
6133 mapnotify(XEvent *e)
6134 {
6135         struct ws_win           *win;
6136         XMapEvent               *ev = &e->xmap;
6137
6138         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
6139
6140         win = manage_window(ev->window);
6141         if (win)
6142                 set_win_state(win, NormalState);
6143 }
6144
6145 void
6146 mappingnotify(XEvent *e)
6147 {
6148         XMappingEvent           *ev = &e->xmapping;
6149
6150         XRefreshKeyboardMapping(ev);
6151         if (ev->request == MappingKeyboard)
6152                 grabkeys();
6153 }
6154
6155 void
6156 maprequest(XEvent *e)
6157 {
6158         struct ws_win           *win;
6159         struct swm_region       *r;
6160         XWindowAttributes       wa;
6161         XMapRequestEvent        *ev = &e->xmaprequest;
6162
6163         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
6164             e->xmaprequest.window);
6165
6166         if (!XGetWindowAttributes(display, ev->window, &wa))
6167                 return;
6168         if (wa.override_redirect)
6169                 return;
6170
6171         win = manage_window(e->xmaprequest.window);
6172         if (win == NULL)
6173                 return; /* can't happen */
6174
6175         stack();
6176
6177         /* make new win focused */
6178         r = root_to_region(win->wa.root);
6179         if (win->ws == r->ws)
6180                 focus_magic(win);
6181 }
6182
6183 void
6184 propertynotify(XEvent *e)
6185 {
6186         struct ws_win           *win;
6187         XPropertyEvent          *ev = &e->xproperty;
6188
6189         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
6190             ev->window);
6191
6192         win = find_window(ev->window);
6193         if (win == NULL)
6194                 return;
6195
6196         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6197                 update_iconic(win, 0);
6198                 XMapRaised(display, win->id);
6199                 stack();
6200                 focus_win(win);
6201                 return;
6202         }
6203
6204         switch (ev->atom) {
6205 #if 0
6206         case XA_WM_NORMAL_HINTS:
6207                 long            mask;
6208                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6209                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
6210                 if (win->sh.flags & PMinSize) {
6211                         win->g.w = win->sh.min_width;
6212                         win->g.h = win->sh.min_height;
6213                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
6214                 }
6215                 XMoveResizeWindow(display, win->id,
6216                     win->g.x, win->g.y, win->g.w, win->g.h);
6217 #endif
6218         case XA_WM_CLASS:
6219                 if (title_name_enabled || title_class_enabled)
6220                         bar_update();
6221                 break;
6222         case XA_WM_NAME:
6223                 if (window_name_enabled)
6224                         bar_update();
6225                 break;
6226         default:
6227                 break;
6228         }
6229 }
6230
6231 void
6232 unmapnotify(XEvent *e)
6233 {
6234         struct ws_win           *win;
6235
6236         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
6237
6238         /* determine if we need to help unmanage this window */
6239         win = find_window(e->xunmap.window);
6240         if (win == NULL)
6241                 return;
6242
6243         if (getstate(e->xunmap.window) == NormalState) {
6244                 unmanage_window(win);
6245                 stack();
6246
6247                 /* giant hack for apps that don't destroy transient windows */
6248                 /* eat a bunch of events to prevent remanaging the window */
6249                 XEvent                  cne;
6250                 while (XCheckWindowEvent(display, e->xunmap.window,
6251                     EnterWindowMask, &cne))
6252                         ;
6253                 while (XCheckWindowEvent(display, e->xunmap.window,
6254                     StructureNotifyMask, &cne))
6255                         ;
6256                 while (XCheckWindowEvent(display, e->xunmap.window,
6257                     SubstructureNotifyMask, &cne))
6258                         ;
6259                 /* resend unmap because we ated it */
6260                 XUnmapWindow(display, e->xunmap.window);
6261         }
6262
6263         if (focus_mode == SWM_FOCUS_DEFAULT)
6264                 drain_enter_notify();
6265 }
6266
6267 void
6268 visibilitynotify(XEvent *e)
6269 {
6270         int                     i;
6271         struct swm_region       *r;
6272
6273         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
6274             e->xvisibility.window);
6275         if (e->xvisibility.state == VisibilityUnobscured)
6276                 for (i = 0; i < ScreenCount(display); i++)
6277                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6278                                 if (e->xvisibility.window == r->bar_window)
6279                                         bar_update();
6280 }
6281
6282 void
6283 clientmessage(XEvent *e)
6284 {
6285         XClientMessageEvent *ev;
6286         struct ws_win *win;
6287
6288         ev = &e->xclient;
6289
6290         win = find_window(ev->window);
6291         if (win == NULL)
6292                 return;
6293
6294         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
6295             ev->window, ev->message_type);
6296
6297         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6298                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
6299                 focus_win(win);
6300         }
6301         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6302                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
6303                 if (win->can_delete)
6304                         client_msg(win, adelete);
6305                 else
6306                         XKillClient(display, win->id);
6307         }
6308         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6309                 DNPRINTF(SWM_D_EVENT,
6310                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
6311                 if (win->floating) {
6312                         if (ev->data.l[0] & (1<<8)) /* x */
6313                                 win->g.x = ev->data.l[1];
6314                         if (ev->data.l[0] & (1<<9)) /* y */
6315                                 win->g.y = ev->data.l[2];
6316                         if (ev->data.l[0] & (1<<10)) /* width */
6317                                 win->g.w = ev->data.l[3];
6318                         if (ev->data.l[0] & (1<<11)) /* height */
6319                                 win->g.h = ev->data.l[4];
6320                 }
6321                 else {
6322                         /* TODO: Change stack sizes */
6323                 }
6324                 config_win(win, NULL);
6325         }
6326         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6327                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
6328                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6329                 if (ev->data.l[2])
6330                         ewmh_update_win_state(win, ev->data.l[2],
6331                             ev->data.l[0]);
6332
6333                 stack();
6334         }
6335 }
6336
6337 int
6338 xerror_start(Display *d, XErrorEvent *ee)
6339 {
6340         other_wm = 1;
6341         return (-1);
6342 }
6343
6344 int
6345 xerror(Display *d, XErrorEvent *ee)
6346 {
6347         /* fprintf(stderr, "error: %p %p\n", display, ee); */
6348         return (-1);
6349 }
6350
6351 int
6352 active_wm(void)
6353 {
6354         other_wm = 0;
6355         xerrorxlib = XSetErrorHandler(xerror_start);
6356
6357         /* this causes an error if some other window manager is running */
6358         XSelectInput(display, DefaultRootWindow(display),
6359             SubstructureRedirectMask);
6360         XSync(display, False);
6361         if (other_wm)
6362                 return (1);
6363
6364         XSetErrorHandler(xerror);
6365         XSync(display, False);
6366         return (0);
6367 }
6368
6369 void
6370 new_region(struct swm_screen *s, int x, int y, int w, int h)
6371 {
6372         struct swm_region       *r, *n;
6373         struct workspace        *ws = NULL;
6374         int                     i;
6375
6376         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6377              s->idx, w, h, x, y);
6378
6379         /* remove any conflicting regions */
6380         n = TAILQ_FIRST(&s->rl);
6381         while (n) {
6382                 r = n;
6383                 n = TAILQ_NEXT(r, entry);
6384                 if (X(r) < (x + w) &&
6385                     (X(r) + WIDTH(r)) > x &&
6386                     Y(r) < (y + h) &&
6387                     (Y(r) + HEIGHT(r)) > y) {
6388                         if (r->ws->r != NULL)
6389                                 r->ws->old_r = r->ws->r;
6390                         r->ws->r = NULL;
6391                         XDestroyWindow(display, r->bar_window);
6392                         TAILQ_REMOVE(&s->rl, r, entry);
6393                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6394                 }
6395         }
6396
6397         /* search old regions for one to reuse */
6398
6399         /* size + location match */
6400         TAILQ_FOREACH(r, &s->orl, entry)
6401                 if (X(r) == x && Y(r) == y &&
6402                     HEIGHT(r) == h && WIDTH(r) == w)
6403                         break;
6404
6405         /* size match */
6406         TAILQ_FOREACH(r, &s->orl, entry)
6407                 if (HEIGHT(r) == h && WIDTH(r) == w)
6408                         break;
6409
6410         if (r != NULL) {
6411                 TAILQ_REMOVE(&s->orl, r, entry);
6412                 /* try to use old region's workspace */
6413                 if (r->ws->r == NULL)
6414                         ws = r->ws;
6415         } else
6416                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6417                         err(1, "calloc: failed to allocate memory for screen");
6418
6419         /* if we don't have a workspace already, find one */
6420         if (ws == NULL) {
6421                 for (i = 0; i < SWM_WS_MAX; i++)
6422                         if (s->ws[i].r == NULL) {
6423                                 ws = &s->ws[i];
6424                                 break;
6425                         }
6426         }
6427
6428         if (ws == NULL)
6429                 errx(1, "no free workspaces");
6430
6431         X(r) = x;
6432         Y(r) = y;
6433         WIDTH(r) = w;
6434         HEIGHT(r) = h;
6435         r->s = s;
6436         r->ws = ws;
6437         r->ws_prior = NULL;
6438         ws->r = r;
6439         outputs++;
6440         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6441 }
6442
6443 void
6444 scan_xrandr(int i)
6445 {
6446 #ifdef SWM_XRR_HAS_CRTC
6447         XRRCrtcInfo             *ci;
6448         XRRScreenResources      *sr;
6449         int                     c;
6450         int                     ncrtc = 0;
6451 #endif /* SWM_XRR_HAS_CRTC */
6452         struct swm_region       *r;
6453
6454
6455         if (i >= ScreenCount(display))
6456                 errx(1, "invalid screen");
6457
6458         /* remove any old regions */
6459         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6460                 r->ws->old_r = r->ws->r = NULL;
6461                 XDestroyWindow(display, r->bar_window);
6462                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6463                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6464         }
6465         outputs = 0;
6466
6467         /* map virtual screens onto physical screens */
6468 #ifdef SWM_XRR_HAS_CRTC
6469         if (xrandr_support) {
6470                 sr = XRRGetScreenResources(display, screens[i].root);
6471                 if (sr == NULL)
6472                         new_region(&screens[i], 0, 0,
6473                             DisplayWidth(display, i),
6474                             DisplayHeight(display, i));
6475                 else
6476                         ncrtc = sr->ncrtc;
6477
6478                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6479                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6480                         if (ci->noutput == 0)
6481                                 continue;
6482
6483                         if (ci != NULL && ci->mode == None)
6484                                 new_region(&screens[i], 0, 0,
6485                                     DisplayWidth(display, i),
6486                                     DisplayHeight(display, i));
6487                         else
6488                                 new_region(&screens[i],
6489                                     ci->x, ci->y, ci->width, ci->height);
6490                 }
6491                 if (ci)
6492                         XRRFreeCrtcInfo(ci);
6493                 XRRFreeScreenResources(sr);
6494         } else
6495 #endif /* SWM_XRR_HAS_CRTC */
6496         {
6497                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6498                     DisplayHeight(display, i));
6499         }
6500 }
6501
6502 void
6503 screenchange(XEvent *e) {
6504         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6505         struct swm_region               *r;
6506         int                             i;
6507
6508         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
6509
6510         if (!XRRUpdateConfiguration(e))
6511                 return;
6512
6513         /* silly event doesn't include the screen index */
6514         for (i = 0; i < ScreenCount(display); i++)
6515                 if (screens[i].root == xe->root)
6516                         break;
6517         if (i >= ScreenCount(display))
6518                 errx(1, "screenchange: screen not found");
6519
6520         /* brute force for now, just re-enumerate the regions */
6521         scan_xrandr(i);
6522
6523         /* add bars to all regions */
6524         for (i = 0; i < ScreenCount(display); i++)
6525                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6526                         bar_setup(r);
6527         stack();
6528         if (focus_mode == SWM_FOCUS_DEFAULT)
6529                 drain_enter_notify();
6530 }
6531
6532 void
6533 grab_windows(void)
6534 {
6535         Window                  d1, d2, *wins = NULL;
6536         XWindowAttributes       wa;
6537         unsigned int            no;
6538         int                     i, j;
6539         long                    state, manage;
6540
6541         for (i = 0; i < ScreenCount(display); i++) {
6542                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6543                         continue;
6544
6545                 /* attach windows to a region */
6546                 /* normal windows */
6547                 for (j = 0; j < no; j++) {
6548                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6549                             wa.override_redirect ||
6550                             XGetTransientForHint(display, wins[j], &d1))
6551                                 continue;
6552
6553                         state = getstate(wins[j]);
6554                         manage = state == IconicState;
6555                         if (wa.map_state == IsViewable || manage)
6556                                 manage_window(wins[j]);
6557                 }
6558                 /* transient windows */
6559                 for (j = 0; j < no; j++) {
6560                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6561                             wa.override_redirect)
6562                                 continue;
6563
6564                         state = getstate(wins[j]);
6565                         manage = state == IconicState;
6566                         if (XGetTransientForHint(display, wins[j], &d1) &&
6567                             manage)
6568                                 manage_window(wins[j]);
6569                 }
6570                 if (wins) {
6571                         XFree(wins);
6572                         wins = NULL;
6573                 }
6574         }
6575 }
6576
6577 void
6578 setup_screens(void)
6579 {
6580         int                     i, j, k;
6581         int                     errorbase, major, minor;
6582         struct workspace        *ws;
6583
6584         if ((screens = calloc(ScreenCount(display),
6585              sizeof(struct swm_screen))) == NULL)
6586                 err(1, "calloc: screens");
6587
6588         /* initial Xrandr setup */
6589         xrandr_support = XRRQueryExtension(display,
6590             &xrandr_eventbase, &errorbase);
6591         if (xrandr_support)
6592                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6593                         xrandr_support = 0;
6594
6595         /* map physical screens */
6596         for (i = 0; i < ScreenCount(display); i++) {
6597                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
6598                 screens[i].idx = i;
6599                 TAILQ_INIT(&screens[i].rl);
6600                 TAILQ_INIT(&screens[i].orl);
6601                 screens[i].root = RootWindow(display, i);
6602
6603                 /* set default colors */
6604                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6605                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6606                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6607                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6608                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6609
6610                 /* set default cursor */
6611                 XDefineCursor(display, screens[i].root,
6612                     XCreateFontCursor(display, XC_left_ptr));
6613
6614                 /* init all workspaces */
6615                 /* XXX these should be dynamically allocated too */
6616                 for (j = 0; j < SWM_WS_MAX; j++) {
6617                         ws = &screens[i].ws[j];
6618                         ws->idx = j;
6619                         ws->name = NULL;
6620                         ws->focus = NULL;
6621                         ws->r = NULL;
6622                         ws->old_r = NULL;
6623                         TAILQ_INIT(&ws->winlist);
6624                         TAILQ_INIT(&ws->unmanagedlist);
6625
6626                         for (k = 0; layouts[k].l_stack != NULL; k++)
6627                                 if (layouts[k].l_config != NULL)
6628                                         layouts[k].l_config(ws,
6629                                             SWM_ARG_ID_STACKINIT);
6630                         ws->cur_layout = &layouts[0];
6631                         ws->cur_layout->l_string(ws);
6632                 }
6633
6634                 scan_xrandr(i);
6635
6636                 if (xrandr_support)
6637                         XRRSelectInput(display, screens[i].root,
6638                             RRScreenChangeNotifyMask);
6639         }
6640 }
6641
6642 void
6643 setup_globals(void)
6644 {
6645         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
6646             == NULL)
6647                 err(1, "setup_globals: strdup");
6648         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
6649             == NULL)
6650                 err(1, "setup_globals: strdup");
6651         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
6652             == NULL)
6653                 err(1, "setup_globals: strdup");
6654         if ((spawn_term[0] = strdup("xterm")) == NULL)
6655                 err(1, "setup_globals: strdup");
6656         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6657                 err(1, "strdup");
6658 }
6659
6660 void
6661 workaround(void)
6662 {
6663         int                     i;
6664         Atom                    netwmcheck, netwmname, utf8_string;
6665         Window                  root, win;
6666
6667         /* work around sun jdk bugs, code from wmname */
6668         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6669         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6670         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6671         for (i = 0; i < ScreenCount(display); i++) {
6672                 root = screens[i].root;
6673                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6674                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6675                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6676
6677                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6678                     PropModeReplace, (unsigned char *)&win,1);
6679                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6680                     PropModeReplace, (unsigned char *)&win,1);
6681                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6682                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6683         }
6684 }
6685
6686 int
6687 main(int argc, char *argv[])
6688 {
6689         struct swm_region       *r, *rr;
6690         struct ws_win           *winfocus = NULL;
6691         struct timeval          tv;
6692         union arg               a;
6693         char                    conf[PATH_MAX], *cfile = NULL;
6694         struct stat             sb;
6695         XEvent                  e;
6696         int                     xfd, i;
6697         fd_set                  rd;
6698         struct sigaction        sact;
6699
6700         start_argv = argv;
6701         fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
6702             SCROTWM_VERSION, buildstr);
6703         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6704             !XSupportsLocale())
6705                 warnx("no locale support");
6706
6707         if (!(display = XOpenDisplay(0)))
6708                 errx(1, "can not open display");
6709
6710         if (active_wm())
6711                 errx(1, "other wm running");
6712
6713         /* handle some signals */
6714         bzero(&sact, sizeof(sact));
6715         sigemptyset(&sact.sa_mask);
6716         sact.sa_flags = 0;
6717         sact.sa_handler = sighdlr;
6718         sigaction(SIGINT, &sact, NULL);
6719         sigaction(SIGQUIT, &sact, NULL);
6720         sigaction(SIGTERM, &sact, NULL);
6721         sigaction(SIGHUP, &sact, NULL);
6722
6723         sact.sa_handler = sighdlr;
6724         sact.sa_flags = SA_NOCLDSTOP;
6725         sigaction(SIGCHLD, &sact, NULL);
6726
6727         astate = XInternAtom(display, "WM_STATE", False);
6728         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6729         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6730         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6731         a_wmname = XInternAtom(display, "WM_NAME", False);
6732         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6733         a_string = XInternAtom(display, "STRING", False);
6734         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6735
6736         /* look for local and global conf file */
6737         pwd = getpwuid(getuid());
6738         if (pwd == NULL)
6739                 errx(1, "invalid user %d", getuid());
6740
6741         setup_screens();
6742         setup_globals();
6743         setup_keys();
6744         setup_quirks();
6745         setup_spawn();
6746
6747         /* load config */
6748         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6749         if (stat(conf, &sb) != -1) {
6750                 if (S_ISREG(sb.st_mode))
6751                         cfile = conf;
6752         } else {
6753                 /* try global conf file */
6754                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6755                 if (!stat(conf, &sb))
6756                         if (S_ISREG(sb.st_mode))
6757                                 cfile = conf;
6758         }
6759         if (cfile)
6760                 conf_load(cfile, SWM_CONF_DEFAULT);
6761
6762         setup_ewmh();
6763         /* set some values to work around bad programs */
6764         workaround();
6765         /* grab existing windows (before we build the bars) */
6766         grab_windows();
6767
6768         if (getenv("SWM_STARTED") == NULL)
6769                 setenv("SWM_STARTED", "YES", 1);
6770
6771         /* setup all bars */
6772         for (i = 0; i < ScreenCount(display); i++)
6773                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6774                         if (winfocus == NULL)
6775                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6776                         bar_setup(r);
6777                 }
6778
6779         unfocus_all();
6780
6781         grabkeys();
6782         stack();
6783         if (focus_mode == SWM_FOCUS_DEFAULT)
6784                 drain_enter_notify();
6785
6786         xfd = ConnectionNumber(display);
6787         while (running) {
6788                 while (XPending(display)) {
6789                         XNextEvent(display, &e);
6790                         if (running == 0)
6791                                 goto done;
6792                         if (e.type < LASTEvent) {
6793                                 dumpevent(&e);
6794                                 if (handler[e.type])
6795                                         handler[e.type](&e);
6796                                 else
6797                                         DNPRINTF(SWM_D_EVENT,
6798                                             "win: %lu unknown event: %d\n",
6799                                             e.xany.window, e.type);
6800                         } else {
6801                                 switch (e.type - xrandr_eventbase) {
6802                                 case RRScreenChangeNotify:
6803                                         screenchange(&e);
6804                                         break;
6805                                 default:
6806                                         DNPRINTF(SWM_D_EVENT,
6807                                             "win: %lu unknown xrandr event: "
6808                                             "%d\n", e.xany.window, e.type);
6809                                         break;
6810                                 }
6811                         }
6812                 }
6813
6814                 /* if we are being restarted go focus on first window */
6815                 if (winfocus) {
6816                         rr = winfocus->ws->r;
6817                         if (rr == NULL) {
6818                                 /* not a visible window */
6819                                 winfocus = NULL;
6820                                 continue;
6821                         }
6822                         /* move pointer to first screen if multi screen */
6823                         if (ScreenCount(display) > 1 || outputs > 1)
6824                                 XWarpPointer(display, None, rr->s[0].root,
6825                                     0, 0, 0, 0, rr->g.x,
6826                                     rr->g.y + (bar_enabled ? bar_height : 0));
6827
6828                         a.id = SWM_ARG_ID_FOCUSCUR;
6829                         focus(rr, &a);
6830                         winfocus = NULL;
6831                         continue;
6832                 }
6833
6834                 FD_ZERO(&rd);
6835                 FD_SET(xfd, &rd);
6836                 tv.tv_sec = 1;
6837                 tv.tv_usec = 0;
6838                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6839                         if (errno != EINTR)
6840                                 DNPRINTF(SWM_D_MISC, "select failed");
6841                 if (restart_wm == 1)
6842                         restart(NULL, NULL);
6843                 if (search_resp == 1)
6844                         search_do_resp();
6845                 if (running == 0)
6846                         goto done;
6847                 if (bar_alarm) {
6848                         bar_alarm = 0;
6849                         bar_update();
6850                 }
6851         }
6852 done:
6853         teardown_ewmh();
6854         bar_extra_stop();
6855         XFreeGC(display, bar_gc);
6856         XCloseDisplay(display);
6857
6858         return (0);
6859 }