scrotwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  *
  10  * Permission to use, copy, modify, and distribute this software for any
  11  * purpose with or without fee is hereby granted, provided that the above
  12  * copyright notice and this permission notice appear in all copies.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  15  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  16  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  17  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  19  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  20  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21  */
  22 /*
  23  * Much code and ideas taken from dwm under the following license:
  24  * MIT/X Consortium License
  25  *
  26  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  27  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  28  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  29  * 2007 Premysl Hruby <dfenze at gmail dot com>
  30  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  31  * 2007 Christof Musik <christof at sendfax dot de>
  32  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  33  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  34  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  35  *
  36  * Permission is hereby granted, free of charge, to any person obtaining a
  37  * copy of this software and associated documentation files (the "Software"),
  38  * to deal in the Software without restriction, including without limitation
  39  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  40  * and/or sell copies of the Software, and to permit persons to whom the
  41  * Software is furnished to do so, subject to the following conditions:
  42  *
  43  * The above copyright notice and this permission notice shall be included in
  44  * all copies or substantial portions of the Software.
  45  *
  46  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  47  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  48  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  49  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  50  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  51  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  52  * DEALINGS IN THE SOFTWARE.
  53  */
  54
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <err.h>
  58 #include <errno.h>
  59 #include <fcntl.h>
  60 #include <locale.h>
  61 #include <unistd.h>
  62 #include <time.h>
  63 #include <signal.h>
  64 #include <string.h>
  65 #include <util.h>
  66 #include <pwd.h>
  67 #include <paths.h>
  68 #include <ctype.h>
  69
  70 #include <sys/types.h>
  71 #include <sys/time.h>
  72 #include <sys/stat.h>
  73 #include <sys/wait.h>
  74 #include <sys/queue.h>
  75 #include <sys/param.h>
  76 #include <sys/select.h>
  77
  78 #include <X11/cursorfont.h>
  79 #include <X11/keysym.h>
  80 #include <X11/Xatom.h>
  81 #include <X11/Xlib.h>
  82 #include <X11/Xproto.h>
  83 #include <X11/Xutil.h>
  84 #include <X11/extensions/Xrandr.h>
  85 #include <X11/extensions/XTest.h>
  86
  87 #ifdef __OSX__
  88 #include <osx.h>
  89 #endif
  90
  91 #include "version.h"
  92
  93 #ifdef SCROTWM_BUILDSTR
  94 static const char       *buildstr = SCROTWM_BUILDSTR;
  95 #else
  96 static const char       *buildstr = SCROTWM_VERSION;
  97 #endif
  98
  99 #if RANDR_MAJOR < 1
 100 #  error XRandR versions less than 1.0 are not supported
 101 #endif
 102
 103 #if RANDR_MAJOR >= 1
 104 #if RANDR_MINOR >= 2
 105 #define SWM_XRR_HAS_CRTC
 106 #endif
 107 #endif
 108
 109 /*#define SWM_DEBUG*/
 110 #ifdef SWM_DEBUG
 111 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 112 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 113 #define SWM_D_MISC              0x0001
 114 #define SWM_D_EVENT             0x0002
 115 #define SWM_D_WS                0x0004
 116 #define SWM_D_FOCUS             0x0008
 117 #define SWM_D_MOVE              0x0010
 118 #define SWM_D_STACK             0x0020
 119 #define SWM_D_MOUSE             0x0040
 120 #define SWM_D_PROP              0x0080
 121 #define SWM_D_CLASS             0x0100
 122 #define SWM_D_KEY               0x0200
 123 #define SWM_D_QUIRK             0x0400
 124 #define SWM_D_SPAWN             0x0800
 125 #define SWM_D_EVENTQ            0x1000
 126 #define SWM_D_CONF              0x2000
 127 #define SWM_D_BAR               0x4000
 128
 129 u_int32_t               swm_debug = 0
 130                             | SWM_D_MISC
 131                             | SWM_D_EVENT
 132                             | SWM_D_WS
 133                             | SWM_D_FOCUS
 134                             | SWM_D_MOVE
 135                             | SWM_D_STACK
 136                             | SWM_D_MOUSE
 137                             | SWM_D_PROP
 138                             | SWM_D_CLASS
 139                             | SWM_D_KEY
 140                             | SWM_D_QUIRK
 141                             | SWM_D_SPAWN
 142                             | SWM_D_EVENTQ
 143                             | SWM_D_CONF
 144                             | SWM_D_BAR
 145                             ;
 146 #else
 147 #define DPRINTF(x...)
 148 #define DNPRINTF(n,x...)
 149 #endif
 150
 151 #define LENGTH(x)               (sizeof x / sizeof x[0])
 152 #define MODKEY                  Mod1Mask
 153 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 154 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 155 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 156 #define SWM_PROPLEN             (16)
 157 #define SWM_FUNCNAME_LEN        (32)
 158 #define SWM_KEYS_LEN            (255)
 159 #define SWM_QUIRK_LEN           (64)
 160 #define X(r)                    (r)->g.x
 161 #define Y(r)                    (r)->g.y
 162 #define WIDTH(r)                (r)->g.w
 163 #define HEIGHT(r)               (r)->g.h
 164 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 165 #define SH_MIN_W(w)             (w)->sh.min_width
 166 #define SH_MIN_H(w)             (w)->sh.min_height
 167 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 168 #define SH_MAX_W(w)             (w)->sh.max_width
 169 #define SH_MAX_H(w)             (w)->sh.max_height
 170 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 171 #define SH_INC_W(w)             (w)->sh.width_inc
 172 #define SH_INC_H(w)             (w)->sh.height_inc
 173 #define SWM_MAX_FONT_STEPS      (3)
 174 #define WINID(w)                ((w) ? (w)->id : 0)
 175 #define YESNO(x)                ((x) ? "yes" : "no")
 176
 177 #define SWM_FOCUS_DEFAULT       (0)
 178 #define SWM_FOCUS_SYNERGY       (1)
 179 #define SWM_FOCUS_FOLLOW        (2)
 180
 181 #define SWM_CONF_DEFAULT        (0)
 182 #define SWM_CONF_KEYMAPPING     (1)
 183
 184 #ifndef SWM_LIB
 185 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 186 #endif
 187
 188 char                    **start_argv;
 189 Atom                    astate;
 190 Atom                    aprot;
 191 Atom                    adelete;
 192 Atom                    takefocus;
 193 Atom                    a_wmname;
 194 Atom                    a_netwmname;
 195 Atom                    a_utf8_string;
 196 Atom                    a_string;
 197 Atom                    a_swm_iconic;
 198 volatile sig_atomic_t   running = 1;
 199 volatile sig_atomic_t   restart_wm = 0;
 200 int                     outputs = 0;
 201 int                     last_focus_event = FocusOut;
 202 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 203 int                     other_wm;
 204 int                     ss_enabled = 0;
 205 int                     xrandr_support;
 206 int                     xrandr_eventbase;
 207 unsigned int            numlockmask = 0;
 208 Display                 *display;
 209
 210 int                     cycle_empty = 0;
 211 int                     cycle_visible = 0;
 212 int                     term_width = 0;
 213 int                     font_adjusted = 0;
 214 unsigned int            mod_key = MODKEY;
 215
 216 /* dmenu search */
 217 struct swm_region       *search_r;
 218 int                     select_list_pipe[2];
 219 int                     select_resp_pipe[2];
 220 pid_t                   searchpid;
 221 volatile sig_atomic_t   search_resp;
 222 int                     search_resp_action;
 223
 224 struct search_window {
 225         TAILQ_ENTRY(search_window)      entry;
 226         int                             idx;
 227         struct ws_win                   *win;
 228         GC                              gc;
 229         Window                          indicator;
 230 };
 231 TAILQ_HEAD(search_winlist, search_window);
 232
 233 struct search_winlist search_wl;
 234
 235 /* search actions */
 236 enum {
 237         SWM_SEARCH_NONE,
 238         SWM_SEARCH_UNICONIFY,
 239         SWM_SEARCH_NAME_WORKSPACE,
 240         SWM_SEARCH_SEARCH_WORKSPACE,
 241         SWM_SEARCH_SEARCH_WINDOW
 242 };
 243
 244 /* dialog windows */
 245 double                  dialog_ratio = 0.6;
 246 /* status bar */
 247 #define SWM_BAR_MAX             (256)
 248 #define SWM_BAR_JUSTIFY_LEFT    (0)
 249 #define SWM_BAR_JUSTIFY_CENTER  (1)
 250 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 251 #define SWM_BAR_OFFSET          (4)
 252 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 253                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 254                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 255                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"
 256
 257 #ifdef X_HAVE_UTF8_STRING
 258 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 259 #else
 260 #define DRAWSTRING(x...)        XmbDrawString(x)
 261 #endif
 262
 263 char                    *bar_argv[] = { NULL, NULL };
 264 int                     bar_pipe[2];
 265 unsigned char           bar_ext[SWM_BAR_MAX];
 266 char                    bar_vertext[SWM_BAR_MAX];
 267 int                     bar_version = 0;
 268 sig_atomic_t            bar_alarm = 0;
 269 int                     bar_delay = 30;
 270 int                     bar_enabled = 1;
 271 int                     bar_border_width = 1;
 272 int                     bar_at_bottom = 0;
 273 int                     bar_extra = 1;
 274 int                     bar_extra_running = 0;
 275 int                     bar_verbose = 1;
 276 int                     bar_height = 0;
 277 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 278 int                     stack_enabled = 1;
 279 int                     clock_enabled = 1;
 280 int                     urgent_enabled = 0;
 281 char                    *clock_format = NULL;
 282 int                     title_name_enabled = 0;
 283 int                     title_class_enabled = 0;
 284 int                     window_name_enabled = 0;
 285 int                     focus_mode = SWM_FOCUS_DEFAULT;
 286 int                     disable_border = 0;
 287 int                     border_width = 1;
 288 int                     verbose_layout = 0;
 289 pid_t                   bar_pid;
 290 XFontSet                bar_fs;
 291 XFontSetExtents         *bar_fs_extents;
 292 char                    *bar_fonts;
 293 char                    *spawn_term[] = { NULL, NULL }; /* XXX fully dynamic */
 294 struct passwd           *pwd;
 295
 296 #define SWM_MENU_FN     (2)
 297 #define SWM_MENU_NB     (4)
 298 #define SWM_MENU_NF     (6)
 299 #define SWM_MENU_SB     (8)
 300 #define SWM_MENU_SF     (10)
 301
 302 /* layout manager data */
 303 struct swm_geometry {
 304         int                     x;
 305         int                     y;
 306         int                     w;
 307         int                     h;
 308 };
 309
 310 struct swm_screen;
 311 struct workspace;
 312
 313 /* virtual "screens" */
 314 struct swm_region {
 315         TAILQ_ENTRY(swm_region) entry;
 316         struct swm_geometry     g;
 317         struct workspace        *ws;    /* current workspace on this region */
 318         struct workspace        *ws_prior; /* prior workspace on this region */
 319         struct swm_screen       *s;     /* screen idx */
 320         Window                  bar_window;
 321 };
 322 TAILQ_HEAD(swm_region_list, swm_region);
 323
 324 struct ws_win {
 325         TAILQ_ENTRY(ws_win)     entry;
 326         Window                  id;
 327         Window                  transient;
 328         struct ws_win           *child_trans;   /* transient child window */
 329         struct swm_geometry     g;              /* current geometry */
 330         struct swm_geometry     g_float;        /* geometry when floating */
 331         struct swm_geometry     rg_float;       /* region geom when floating */
 332         int                     g_floatvalid;   /* g_float geometry validity */
 333         int                     floatmaxed;     /* whether maxed by max_stack */
 334         int                     floating;
 335         int                     manual;
 336         int                     iconic;
 337         unsigned int            ewmh_flags;
 338         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 339         int                     font_steps;
 340         int                     last_inc;
 341         int                     can_delete;
 342         int                     take_focus;
 343         int                     java;
 344         unsigned long           quirks;
 345         struct workspace        *ws;    /* always valid */
 346         struct swm_screen       *s;     /* always valid, never changes */
 347         XWindowAttributes       wa;
 348         XSizeHints              sh;
 349         long                    sh_mask;
 350         XClassHint              ch;
 351         XWMHints                *hints;
 352 };
 353 TAILQ_HEAD(ws_win_list, ws_win);
 354
 355 /* pid goo */
 356 struct pid_e {
 357         TAILQ_ENTRY(pid_e)      entry;
 358         long                    pid;
 359         int                     ws;
 360 };
 361 TAILQ_HEAD(pid_list, pid_e);
 362 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 363
 364 /* layout handlers */
 365 void    stack(void);
 366 void    vertical_config(struct workspace *, int);
 367 void    vertical_stack(struct workspace *, struct swm_geometry *);
 368 void    horizontal_config(struct workspace *, int);
 369 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 370 void    max_stack(struct workspace *, struct swm_geometry *);
 371 void    plain_stacker(struct workspace *);
 372 void    fancy_stacker(struct workspace *);
 373
 374 struct ws_win *find_window(Window);
 375
 376 void    grabbuttons(struct ws_win *, int);
 377 void    new_region(struct swm_screen *, int, int, int, int);
 378 void    unmanage_window(struct ws_win *);
 379 long    getstate(Window);
 380
 381 int     conf_load(char *, int);
 382
 383 struct layout {
 384         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 385         void            (*l_config)(struct workspace *, int);
 386         u_int32_t       flags;
 387 #define SWM_L_FOCUSPREV         (1<<0)
 388 #define SWM_L_MAPONFOCUS        (1<<1)
 389         void            (*l_string)(struct workspace *);
 390 } layouts[] =  {
 391         /* stack,               configure */
 392         { vertical_stack,       vertical_config,        0,      plain_stacker },
 393         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 394         { max_stack,            NULL,
 395           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 396         { NULL,                 NULL,                   0,      NULL  },
 397 };
 398
 399 /* position of max_stack mode in the layouts array, index into layouts! */
 400 #define SWM_V_STACK             (0)
 401 #define SWM_H_STACK             (1)
 402 #define SWM_MAX_STACK           (2)
 403
 404 #define SWM_H_SLICE             (32)
 405 #define SWM_V_SLICE             (32)
 406
 407 /* define work spaces */
 408 struct workspace {
 409         int                     idx;            /* workspace index */
 410         char                    *name;          /* workspace name */
 411         int                     always_raise;   /* raise windows on focus */
 412         struct layout           *cur_layout;    /* current layout handlers */
 413         struct ws_win           *focus;         /* may be NULL */
 414         struct ws_win           *focus_prev;    /* may be NULL */
 415         struct swm_region       *r;             /* may be NULL */
 416         struct swm_region       *old_r;         /* may be NULL */
 417         struct ws_win_list      winlist;        /* list of windows in ws */
 418         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 419         char                    stacker[10];    /* display stacker and layout */
 420
 421         /* stacker state */
 422         struct {
 423                                 int horizontal_msize;
 424                                 int horizontal_mwin;
 425                                 int horizontal_stacks;
 426                                 int horizontal_flip;
 427                                 int vertical_msize;
 428                                 int vertical_mwin;
 429                                 int vertical_stacks;
 430                                 int vertical_flip;
 431         } l_state;
 432 };
 433
 434 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 435           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 436
 437 /* physical screen mapping */
 438 #define SWM_WS_MAX              (10)
 439 struct swm_screen {
 440         int                     idx;    /* screen index */
 441         struct swm_region_list  rl;     /* list of regions on this screen */
 442         struct swm_region_list  orl;    /* list of old regions */
 443         Window                  root;
 444         struct workspace        ws[SWM_WS_MAX];
 445
 446         /* colors */
 447         struct {
 448                 unsigned long   color;
 449                 char            *name;
 450         } c[SWM_S_COLOR_MAX];
 451
 452         GC                      bar_gc;
 453 };
 454 struct swm_screen       *screens;
 455 int                     num_screens;
 456
 457 /* args to functions */
 458 union arg {
 459         int                     id;
 460 #define SWM_ARG_ID_FOCUSNEXT    (0)
 461 #define SWM_ARG_ID_FOCUSPREV    (1)
 462 #define SWM_ARG_ID_FOCUSMAIN    (2)
 463 #define SWM_ARG_ID_FOCUSCUR     (4)
 464 #define SWM_ARG_ID_SWAPNEXT     (10)
 465 #define SWM_ARG_ID_SWAPPREV     (11)
 466 #define SWM_ARG_ID_SWAPMAIN     (12)
 467 #define SWM_ARG_ID_MOVELAST     (13)
 468 #define SWM_ARG_ID_MASTERSHRINK (20)
 469 #define SWM_ARG_ID_MASTERGROW   (21)
 470 #define SWM_ARG_ID_MASTERADD    (22)
 471 #define SWM_ARG_ID_MASTERDEL    (23)
 472 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 473 #define SWM_ARG_ID_STACKRESET   (30)
 474 #define SWM_ARG_ID_STACKINIT    (31)
 475 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 476 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 477 #define SWM_ARG_ID_CYCLESC_UP   (42)
 478 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 479 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 480 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 481 #define SWM_ARG_ID_STACKINC     (50)
 482 #define SWM_ARG_ID_STACKDEC     (51)
 483 #define SWM_ARG_ID_SS_ALL       (60)
 484 #define SWM_ARG_ID_SS_WINDOW    (61)
 485 #define SWM_ARG_ID_DONTCENTER   (70)
 486 #define SWM_ARG_ID_CENTER       (71)
 487 #define SWM_ARG_ID_KILLWINDOW   (80)
 488 #define SWM_ARG_ID_DELETEWINDOW (81)
 489 #define SWM_ARG_ID_WIDTHGROW    (90)
 490 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 491 #define SWM_ARG_ID_HEIGHTGROW   (92)
 492 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 493 #define SWM_ARG_ID_MOVEUP       (100)
 494 #define SWM_ARG_ID_MOVEDOWN     (101)
 495 #define SWM_ARG_ID_MOVELEFT     (102)
 496 #define SWM_ARG_ID_MOVERIGHT    (103)
 497         char                    **argv;
 498 };
 499
 500 void    focus(struct swm_region *, union arg *);
 501 void    focus_magic(struct ws_win *);
 502
 503 /* quirks */
 504 struct quirk {
 505         TAILQ_ENTRY(quirk)      entry;
 506         char                    *class;
 507         char                    *name;
 508         unsigned long           quirk;
 509 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 510 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 511 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 512 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 513 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 514 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 515 };
 516 TAILQ_HEAD(quirk_list, quirk);
 517 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 518
 519 /*
 520  * Supported EWMH hints should be added to
 521  * both the enum and the ewmh array
 522  */
 523 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 524     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 525     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 526     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 527     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 528     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 529     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 530     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 531     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 532     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 533     SWM_EWMH_HINT_MAX };
 534
 535 struct ewmh_hint {
 536         char    *name;
 537         Atom     atom;
 538 } ewmh[SWM_EWMH_HINT_MAX] =     {
 539     /* must be in same order as in the enum */
 540     {"_NET_ACTIVE_WINDOW", None},
 541     {"_NET_MOVERESIZE_WINDOW", None},
 542     {"_NET_CLOSE_WINDOW", None},
 543     {"_NET_WM_WINDOW_TYPE", None},
 544     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 545     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 546     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 547     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 548     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 549     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 550     {"_NET_WM_STATE", None},
 551     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 552     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 553     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 554     {"_NET_WM_STATE_SKIP_PAGER", None},
 555     {"_NET_WM_STATE_HIDDEN", None},
 556     {"_NET_WM_STATE_ABOVE", None},
 557     {"_SWM_WM_STATE_MANUAL", None},
 558     {"_NET_WM_STATE_FULLSCREEN", None},
 559     {"_NET_WM_ALLOWED_ACTIONS", None},
 560     {"_NET_WM_ACTION_MOVE", None},
 561     {"_NET_WM_ACTION_RESIZE", None},
 562     {"_NET_WM_ACTION_FULLSCREEN", None},
 563     {"_NET_WM_ACTION_CLOSE", None},
 564 };
 565
 566 void             store_float_geom(struct ws_win *, struct swm_region *);
 567 int              floating_toggle_win(struct ws_win *);
 568 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 569 unsigned char   *get_win_name(Window);
 570
 571 int
 572 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 573     unsigned long *nbytes, unsigned char **data)
 574 {
 575         int                     format, status;
 576         unsigned long           *nbytes_ret, *nitems_ret;
 577         unsigned long           nbytes_tmp, nitems_tmp;
 578         Atom                    real;
 579
 580         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 581         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 582
 583         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 584             &real, &format, nitems_ret, nbytes_ret, data);
 585
 586         if (status != Success)
 587                 return False;
 588         if (real != type)
 589                 return False;
 590
 591         return True;
 592 }
 593
 594 void
 595 update_iconic(struct ws_win *win, int newv)
 596 {
 597         int32_t v = newv;
 598         Atom iprop;
 599
 600         win->iconic = newv;
 601
 602         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 603         if (!iprop)
 604                 return;
 605         if (newv)
 606                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 607                     PropModeReplace, (unsigned char *)&v, 1);
 608         else
 609                 XDeleteProperty(display, win->id, iprop);
 610 }
 611
 612 int
 613 get_iconic(struct ws_win *win)
 614 {
 615         int32_t v = 0;
 616         int retfmt, status;
 617         Atom iprop, rettype;
 618         unsigned long nitems, extra;
 619         unsigned char *prop = NULL;
 620
 621         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 622         if (!iprop)
 623                 goto out;
 624         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 625             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 626         if (status != Success)
 627                 goto out;
 628         if (rettype != XA_INTEGER || retfmt != 32)
 629                 goto out;
 630         if (nitems != 1)
 631                 goto out;
 632         v = *((int32_t *)prop);
 633
 634 out:
 635         if (prop != NULL)
 636                 XFree(prop);
 637         return (v);
 638 }
 639
 640 void
 641 setup_ewmh(void)
 642 {
 643         int                     i,j;
 644         Atom                    sup_list;
 645
 646         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 647
 648         for (i = 0; i < LENGTH(ewmh); i++)
 649                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 650
 651         for (i = 0; i < ScreenCount(display); i++) {
 652                 /* Support check window will be created by workaround(). */
 653
 654                 /* Report supported atoms */
 655                 XDeleteProperty(display, screens[i].root, sup_list);
 656                 for (j = 0; j < LENGTH(ewmh); j++)
 657                         XChangeProperty(display, screens[i].root,
 658                             sup_list, XA_ATOM, 32,
 659                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 660         }
 661 }
 662
 663 void
 664 teardown_ewmh(void)
 665 {
 666         int                     i, success;
 667         unsigned char           *data = NULL;
 668         unsigned long           n;
 669         Atom                    sup_check, sup_list;
 670         Window                  id;
 671
 672         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 673         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 674
 675         for (i = 0; i < ScreenCount(display); i++) {
 676                 /* Get the support check window and destroy it */
 677                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 678                     &n, NULL, &data);
 679
 680                 if (success) {
 681                         id = data[0];
 682                         XDestroyWindow(display, id);
 683                         XDeleteProperty(display, screens[i].root, sup_check);
 684                         XDeleteProperty(display, screens[i].root, sup_list);
 685                 }
 686
 687                 XFree(data);
 688         }
 689 }
 690
 691 void
 692 ewmh_autoquirk(struct ws_win *win)
 693 {
 694         int                     success, i;
 695         unsigned long           *data = NULL, n;
 696         Atom                    type;
 697
 698         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 699             XA_ATOM, &n, NULL, (void *)&data);
 700
 701         if (!success) {
 702                 XFree(data);
 703                 return;
 704         }
 705
 706         for (i = 0; i < n; i++) {
 707                 type = data[i];
 708                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 709                         break;
 710                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 711                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 712                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 713                         win->floating = 1;
 714                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 715                         break;
 716                 }
 717                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 718                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 719                         win->floating = 1;
 720                         win->quirks = SWM_Q_FLOAT;
 721                         break;
 722                 }
 723         }
 724
 725         XFree(data);
 726 }
 727
 728 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 729 #define EWMH_F_FULLSCREEN               (1<<0)
 730 #define EWMH_F_ABOVE                    (1<<1)
 731 #define EWMH_F_HIDDEN                   (1<<2)
 732 #define EWMH_F_SKIP_PAGER               (1<<3)
 733 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 734 #define SWM_F_MANUAL                    (1<<5)
 735
 736 int
 737 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 738 {
 739         struct swm_geometry     rg;
 740
 741         if (!win->ws->r)
 742                 return 0;
 743
 744         if (!win->floating)
 745                 return 0;
 746
 747         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 748             "fullscreen %s\n", win->id, YESNO(fs));
 749
 750         rg = win->ws->r->g;
 751
 752         if (fs) {
 753                 store_float_geom(win, win->ws->r);
 754
 755                 win->g = rg;
 756         } else {
 757                 if (win->g_floatvalid) {
 758                         /* refloat at last floating relative position */
 759                         X(win) = win->g_float.x - win->rg_float.x + rg.x;
 760                         Y(win) = win->g_float.y - win->rg_float.y + rg.y;
 761                         WIDTH(win) = win->g_float.w;
 762                         HEIGHT(win) = win->g_float.h;
 763                 }
 764         }
 765
 766         return 1;
 767 }
 768
 769 void
 770 ewmh_update_actions(struct ws_win *win)
 771 {
 772         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 773         int                     n = 0;
 774
 775         if (win == NULL)
 776                 return;
 777
 778         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 779
 780         if (win->floating) {
 781                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 782                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 783         }
 784
 785         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 786             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 787 }
 788
 789 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 790 #define _NET_WM_STATE_ADD       1    /* add/set property */
 791 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 792
 793 void
 794 ewmh_update_win_state(struct ws_win *win, long state, long action)
 795 {
 796         unsigned int            mask = 0;
 797         unsigned int            changed = 0;
 798         unsigned int            orig_flags;
 799
 800         if (win == NULL)
 801                 return;
 802
 803         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 804                 mask = EWMH_F_FULLSCREEN;
 805         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 806                 mask = EWMH_F_ABOVE;
 807         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 808                 mask = SWM_F_MANUAL;
 809         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 810                 mask = EWMH_F_SKIP_PAGER;
 811         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 812                 mask = EWMH_F_SKIP_TASKBAR;
 813
 814
 815         orig_flags = win->ewmh_flags;
 816
 817         switch (action) {
 818         case _NET_WM_STATE_REMOVE:
 819                 win->ewmh_flags &= ~mask;
 820                 break;
 821         case _NET_WM_STATE_ADD:
 822                 win->ewmh_flags |= mask;
 823                 break;
 824         case _NET_WM_STATE_TOGGLE:
 825                 win->ewmh_flags ^= mask;
 826                 break;
 827         }
 828
 829         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 830
 831         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 832                 if (changed)
 833                         if (!floating_toggle_win(win))
 834                                 win->ewmh_flags = orig_flags; /* revert */
 835         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 836                 if (changed)
 837                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 838         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 839                 if (changed)
 840                         if (!ewmh_set_win_fullscreen(win,
 841                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 842                                 win->ewmh_flags = orig_flags; /* revert */
 843
 844         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 845
 846         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 847                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 848                     XA_ATOM, 32, PropModeAppend,
 849                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 850         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 851                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 852                     XA_ATOM, 32, PropModeAppend,
 853                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 854         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 855                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 856                     XA_ATOM, 32, PropModeAppend,
 857                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 858         if (win->ewmh_flags & EWMH_F_ABOVE)
 859                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 860                     XA_ATOM, 32, PropModeAppend,
 861                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 862         if (win->ewmh_flags & SWM_F_MANUAL)
 863                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 864                     XA_ATOM, 32, PropModeAppend,
 865                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 866 }
 867
 868 void
 869 ewmh_get_win_state(struct ws_win *win)
 870 {
 871         int                     success, i;
 872         unsigned long           n;
 873         Atom                    *states;
 874
 875         if (win == NULL)
 876                 return;
 877
 878         win->ewmh_flags = 0;
 879         if (win->floating)
 880                 win->ewmh_flags |= EWMH_F_ABOVE;
 881         if (win->manual)
 882                 win->ewmh_flags |= SWM_F_MANUAL;
 883
 884         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 885             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 886
 887         if (!success)
 888                 return;
 889
 890         for (i = 0; i < n; i++)
 891                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 892
 893         XFree(states);
 894 }
 895
 896 /* events */
 897 #ifdef SWM_DEBUG
 898 char *
 899 geteventname(XEvent *e)
 900 {
 901         char                    *name = NULL;
 902
 903         switch (e->type) {
 904         case KeyPress:
 905                 name = "KeyPress";
 906                 break;
 907         case KeyRelease:
 908                 name = "KeyRelease";
 909                 break;
 910         case ButtonPress:
 911                 name = "ButtonPress";
 912                 break;
 913         case ButtonRelease:
 914                 name = "ButtonRelease";
 915                 break;
 916         case MotionNotify:
 917                 name = "MotionNotify";
 918                 break;
 919         case EnterNotify:
 920                 name = "EnterNotify";
 921                 break;
 922         case LeaveNotify:
 923                 name = "LeaveNotify";
 924                 break;
 925         case FocusIn:
 926                 name = "FocusIn";
 927                 break;
 928         case FocusOut:
 929                 name = "FocusOut";
 930                 break;
 931         case KeymapNotify:
 932                 name = "KeymapNotify";
 933                 break;
 934         case Expose:
 935                 name = "Expose";
 936                 break;
 937         case GraphicsExpose:
 938                 name = "GraphicsExpose";
 939                 break;
 940         case NoExpose:
 941                 name = "NoExpose";
 942                 break;
 943         case VisibilityNotify:
 944                 name = "VisibilityNotify";
 945                 break;
 946         case CreateNotify:
 947                 name = "CreateNotify";
 948                 break;
 949         case DestroyNotify:
 950                 name = "DestroyNotify";
 951                 break;
 952         case UnmapNotify:
 953                 name = "UnmapNotify";
 954                 break;
 955         case MapNotify:
 956                 name = "MapNotify";
 957                 break;
 958         case MapRequest:
 959                 name = "MapRequest";
 960                 break;
 961         case ReparentNotify:
 962                 name = "ReparentNotify";
 963                 break;
 964         case ConfigureNotify:
 965                 name = "ConfigureNotify";
 966                 break;
 967         case ConfigureRequest:
 968                 name = "ConfigureRequest";
 969                 break;
 970         case GravityNotify:
 971                 name = "GravityNotify";
 972                 break;
 973         case ResizeRequest:
 974                 name = "ResizeRequest";
 975                 break;
 976         case CirculateNotify:
 977                 name = "CirculateNotify";
 978                 break;
 979         case CirculateRequest:
 980                 name = "CirculateRequest";
 981                 break;
 982         case PropertyNotify:
 983                 name = "PropertyNotify";
 984                 break;
 985         case SelectionClear:
 986                 name = "SelectionClear";
 987                 break;
 988         case SelectionRequest:
 989                 name = "SelectionRequest";
 990                 break;
 991         case SelectionNotify:
 992                 name = "SelectionNotify";
 993                 break;
 994         case ColormapNotify:
 995                 name = "ColormapNotify";
 996                 break;
 997         case ClientMessage:
 998                 name = "ClientMessage";
 999                 break;
1000         case MappingNotify:
1001                 name = "MappingNotify";
1002                 break;
1003         default:
1004                 name = "Unknown";
1005         }
1006
1007         return name;
1008 }
1009
1010 char *
1011 xrandr_geteventname(XEvent *e)
1012 {
1013         char                    *name = NULL;
1014
1015         switch(e->type - xrandr_eventbase) {
1016         case RRScreenChangeNotify:
1017                 name = "RRScreenChangeNotify";
1018                 break;
1019         default:
1020                 name = "Unknown";
1021         }
1022
1023         return name;
1024 }
1025
1026 void
1027 dumpwins(struct swm_region *r, union arg *args)
1028 {
1029         struct ws_win           *win;
1030         unsigned int            state;
1031         XWindowAttributes       wa;
1032
1033         if (r->ws == NULL) {
1034                 warnx("dumpwins: invalid workspace");
1035                 return;
1036         }
1037
1038         warnx("=== managed window list ws %02d ===", r->ws->idx);
1039
1040         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1041                 state = getstate(win->id);
1042                 if (!XGetWindowAttributes(display, win->id, &wa))
1043                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1044                             win->id);
1045                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1046                     "transient: 0x%lx", win->id, wa.map_state, state,
1047                     win->transient);
1048         }
1049
1050         warnx("===== unmanaged window list =====");
1051         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1052                 state = getstate(win->id);
1053                 if (!XGetWindowAttributes(display, win->id, &wa))
1054                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1055                             win->id);
1056                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1057                     "transient: 0x%lx", win->id, wa.map_state, state,
1058                     win->transient);
1059         }
1060
1061         warnx("=================================");
1062 }
1063 #else
1064 void
1065 dumpwins(struct swm_region *r, union arg *args)
1066 {
1067 }
1068 #endif /* SWM_DEBUG */
1069
1070 void                    expose(XEvent *);
1071 void                    keypress(XEvent *);
1072 void                    buttonpress(XEvent *);
1073 void                    configurerequest(XEvent *);
1074 void                    configurenotify(XEvent *);
1075 void                    destroynotify(XEvent *);
1076 void                    enternotify(XEvent *);
1077 void                    focusevent(XEvent *);
1078 void                    mapnotify(XEvent *);
1079 void                    mappingnotify(XEvent *);
1080 void                    maprequest(XEvent *);
1081 void                    propertynotify(XEvent *);
1082 void                    unmapnotify(XEvent *);
1083 void                    visibilitynotify(XEvent *);
1084 void                    clientmessage(XEvent *);
1085
1086 void                    (*handler[LASTEvent])(XEvent *) = {
1087                                 [Expose] = expose,
1088                                 [KeyPress] = keypress,
1089                                 [ButtonPress] = buttonpress,
1090                                 [ConfigureRequest] = configurerequest,
1091                                 [ConfigureNotify] = configurenotify,
1092                                 [DestroyNotify] = destroynotify,
1093                                 [EnterNotify] = enternotify,
1094                                 [FocusIn] = focusevent,
1095                                 [FocusOut] = focusevent,
1096                                 [MapNotify] = mapnotify,
1097                                 [MappingNotify] = mappingnotify,
1098                                 [MapRequest] = maprequest,
1099                                 [PropertyNotify] = propertynotify,
1100                                 [UnmapNotify] = unmapnotify,
1101                                 [VisibilityNotify] = visibilitynotify,
1102                                 [ClientMessage] = clientmessage,
1103 };
1104
1105 void
1106 sighdlr(int sig)
1107 {
1108         int                     saved_errno, status;
1109         pid_t                   pid;
1110
1111         saved_errno = errno;
1112
1113         switch (sig) {
1114         case SIGCHLD:
1115                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1116                         if (pid == -1) {
1117                                 if (errno == EINTR)
1118                                         continue;
1119 #ifdef SWM_DEBUG
1120                                 if (errno != ECHILD)
1121                                         warn("sighdlr: waitpid");
1122 #endif /* SWM_DEBUG */
1123                                 break;
1124                         }
1125                         if (pid == searchpid)
1126                                 search_resp = 1;
1127
1128 #ifdef SWM_DEBUG
1129                         if (WIFEXITED(status)) {
1130                                 if (WEXITSTATUS(status) != 0)
1131                                         warnx("sighdlr: child exit status: %d",
1132                                             WEXITSTATUS(status));
1133                         } else
1134                                 warnx("sighdlr: child is terminated "
1135                                     "abnormally");
1136 #endif /* SWM_DEBUG */
1137                 }
1138                 break;
1139
1140         case SIGHUP:
1141                 restart_wm = 1;
1142                 break;
1143         case SIGINT:
1144         case SIGTERM:
1145         case SIGQUIT:
1146                 running = 0;
1147                 break;
1148         }
1149
1150         errno = saved_errno;
1151 }
1152
1153 struct pid_e *
1154 find_pid(long pid)
1155 {
1156         struct pid_e            *p = NULL;
1157
1158         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1159
1160         if (pid == 0)
1161                 return (NULL);
1162
1163         TAILQ_FOREACH(p, &pidlist, entry) {
1164                 if (p->pid == pid)
1165                         return (p);
1166         }
1167
1168         return (NULL);
1169 }
1170
1171 unsigned long
1172 name_to_color(char *colorname)
1173 {
1174         Colormap                cmap;
1175         Status                  status;
1176         XColor                  screen_def, exact_def;
1177         unsigned long           result = 0;
1178         char                    cname[32] = "#";
1179
1180         cmap = DefaultColormap(display, screens[0].idx);
1181         status = XAllocNamedColor(display, cmap, colorname,
1182             &screen_def, &exact_def);
1183         if (!status) {
1184                 strlcat(cname, colorname + 2, sizeof cname - 1);
1185                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1186                     &exact_def);
1187         }
1188         if (status)
1189                 result = screen_def.pixel;
1190         else
1191                 warnx("color '%s' not found", colorname);
1192
1193         return (result);
1194 }
1195
1196 void
1197 setscreencolor(char *val, int i, int c)
1198 {
1199         if (i > 0 && i <= ScreenCount(display)) {
1200                 screens[i - 1].c[c].color = name_to_color(val);
1201                 free(screens[i - 1].c[c].name);
1202                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1203                         err(1, "strdup");
1204         } else if (i == -1) {
1205                 for (i = 0; i < ScreenCount(display); i++) {
1206                         screens[i].c[c].color = name_to_color(val);
1207                         free(screens[i].c[c].name);
1208                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1209                                 err(1, "strdup");
1210                 }
1211         } else
1212                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1213                     i, ScreenCount(display));
1214 }
1215
1216 void
1217 fancy_stacker(struct workspace *ws)
1218 {
1219         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1220         if (ws->cur_layout->l_stack == vertical_stack)
1221                 snprintf(ws->stacker, sizeof ws->stacker,
1222                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1223                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1224         if (ws->cur_layout->l_stack == horizontal_stack)
1225                 snprintf(ws->stacker, sizeof ws->stacker,
1226                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1227                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1228 }
1229
1230 void
1231 plain_stacker(struct workspace *ws)
1232 {
1233         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1234         if (ws->cur_layout->l_stack == vertical_stack)
1235                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1236                     sizeof ws->stacker);
1237         if (ws->cur_layout->l_stack == horizontal_stack)
1238                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1239                     sizeof ws->stacker);
1240 }
1241
1242 void
1243 custom_region(char *val)
1244 {
1245         unsigned int                    sidx, x, y, w, h;
1246
1247         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1248                 errx(1, "invalid custom region, "
1249                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1250         if (sidx < 1 || sidx > ScreenCount(display))
1251                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1252                     sidx, ScreenCount(display));
1253         sidx--;
1254
1255         if (w < 1 || h < 1)
1256                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1257
1258         if (x > DisplayWidth(display, sidx) ||
1259             y > DisplayHeight(display, sidx) ||
1260             w + x > DisplayWidth(display, sidx) ||
1261             h + y > DisplayHeight(display, sidx)) {
1262                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1263                     "boundaries (%ux%u)", w, h, x, y,
1264                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1265                 return;
1266         }
1267
1268         new_region(&screens[sidx], x, y, w, h);
1269 }
1270
1271 void
1272 socket_setnonblock(int fd)
1273 {
1274         int                     flags;
1275
1276         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1277                 err(1, "fcntl F_GETFL");
1278         flags |= O_NONBLOCK;
1279         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1280                 err(1, "fcntl F_SETFL");
1281 }
1282
1283 void
1284 bar_print(struct swm_region *r, char *s)
1285 {
1286         int                     x = 0;
1287         size_t                  len;
1288         XRectangle              ibox, lbox;
1289
1290         XClearWindow(display, r->bar_window);
1291
1292         len = strlen(s);
1293         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1294
1295         switch (bar_justify) {
1296         case SWM_BAR_JUSTIFY_LEFT:
1297                 x = SWM_BAR_OFFSET;
1298                 break;
1299         case SWM_BAR_JUSTIFY_CENTER:
1300                 x = (WIDTH(r) - lbox.width) / 2;
1301                 break;
1302         case SWM_BAR_JUSTIFY_RIGHT:
1303                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1304                 break;
1305         }
1306
1307         if (x < SWM_BAR_OFFSET)
1308                 x = SWM_BAR_OFFSET;
1309
1310         DRAWSTRING(display, r->bar_window, bar_fs, r->s->bar_gc,
1311             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1312             lbox.y, s, len);
1313 }
1314
1315 void
1316 bar_extra_stop(void)
1317 {
1318         if (bar_pipe[0]) {
1319                 close(bar_pipe[0]);
1320                 bzero(bar_pipe, sizeof bar_pipe);
1321         }
1322         if (bar_pid) {
1323                 kill(bar_pid, SIGTERM);
1324                 bar_pid = 0;
1325         }
1326         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1327         bar_extra = 0;
1328 }
1329
1330 void
1331 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1332 {
1333         int                     do_class, do_name;
1334         Status                  status;
1335         XClassHint              *xch = NULL;
1336
1337         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1338             cur_focus != NULL) {
1339                 if ((xch = XAllocClassHint()) == NULL)
1340                         goto out;
1341                 status = XGetClassHint(display, cur_focus->id, xch);
1342                 if (status == BadWindow || status == BadAlloc)
1343                         goto out;
1344                 do_class = (title_class_enabled && xch->res_class != NULL);
1345                 do_name = (title_name_enabled && xch->res_name != NULL);
1346                 if (do_class)
1347                         strlcat(s, xch->res_class, sz);
1348                 if (do_class && do_name)
1349                         strlcat(s, ":", sz);
1350                 if (do_name)
1351                         strlcat(s, xch->res_name, sz);
1352                 strlcat(s, "    ", sz);
1353         }
1354 out:
1355         if (xch) {
1356                 XFree(xch->res_name);
1357                 XFree(xch->res_class);
1358                 XFree(xch);
1359         }
1360 }
1361
1362 void
1363 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1364 {
1365         unsigned char           *title;
1366
1367         if (window_name_enabled && cur_focus != NULL) {
1368                 title = get_win_name(cur_focus->id);
1369                 if (title != NULL) {
1370                         DNPRINTF(SWM_D_BAR, "bar_window_name: title: %s\n",
1371                             title);
1372
1373                         if (cur_focus->floating)
1374                                 strlcat(s, "(f) ", sz);
1375                         strlcat(s, (char *)title, sz);
1376                         strlcat(s, " ", sz);
1377                         XFree(title);
1378                 }
1379         }
1380 }
1381
1382 int             urgent[SWM_WS_MAX];
1383 void
1384 bar_urgent(char *s, ssize_t sz)
1385 {
1386         XWMHints                *wmh = NULL;
1387         struct ws_win           *win;
1388         int                     i, j;
1389         char                    b[8];
1390
1391         if (urgent_enabled == 0)
1392                 return;
1393
1394         for (i = 0; i < SWM_WS_MAX; i++)
1395                 urgent[i] = 0;
1396
1397         for (i = 0; i < ScreenCount(display); i++)
1398                 for (j = 0; j < SWM_WS_MAX; j++)
1399                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1400                                 wmh = XGetWMHints(display, win->id);
1401                                 if (wmh == NULL)
1402                                         continue;
1403
1404                                 if (wmh->flags & XUrgencyHint)
1405                                         urgent[j] = 1;
1406                                 XFree(wmh);
1407                         }
1408
1409         strlcat(s, "* ", sz);
1410         for (i = 0; i < SWM_WS_MAX; i++) {
1411                 if (urgent[i])
1412                         snprintf(b, sizeof b, "%d ", i + 1);
1413                 else
1414                         snprintf(b, sizeof b, "- ");
1415                 strlcat(s, b, sz);
1416         }
1417         strlcat(s, "*    ", sz);
1418 }
1419
1420 void
1421 bar_update(void)
1422 {
1423         time_t                  tmt;
1424         struct tm               tm;
1425         struct swm_region       *r;
1426         int                     i, x;
1427         size_t                  len;
1428         char                    ws[SWM_BAR_MAX];
1429         char                    s[SWM_BAR_MAX];
1430         unsigned char           cn[SWM_BAR_MAX];
1431         char                    loc[SWM_BAR_MAX];
1432         char                    *b, *stack = "";
1433
1434         if (bar_enabled == 0)
1435                 return;
1436         if (bar_extra && bar_extra_running) {
1437                 /* ignore short reads; it'll correct itself */
1438                 while ((b = fgetln(stdin, &len)) != NULL)
1439                         if (b && b[len - 1] == '\n') {
1440                                 b[len - 1] = '\0';
1441                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1442                         }
1443                 if (b == NULL && errno != EAGAIN) {
1444                         warn("bar_update: bar_extra failed");
1445                         bar_extra_stop();
1446                 }
1447         } else
1448                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1449
1450         if (clock_enabled == 0)
1451                 strlcpy(s, "", sizeof s);
1452         else {
1453                 time(&tmt);
1454                 localtime_r(&tmt, &tm);
1455                 len = strftime(s, sizeof s, clock_format, &tm);
1456                 s[len] = '\0';
1457                 strlcat(s, "    ", sizeof s);
1458         }
1459
1460         for (i = 0; i < ScreenCount(display); i++) {
1461                 x = 1;
1462                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1463                         strlcpy((char *)cn, "", sizeof cn);
1464                         strlcpy(ws, "", sizeof ws);
1465                         if (r && r->ws) {
1466                                 bar_urgent((char *)cn, sizeof cn);
1467                                 bar_class_name((char *)cn, sizeof cn,
1468                                     r->ws->focus);
1469                                 bar_window_name((char *)cn, sizeof cn,
1470                                     r->ws->focus);
1471                                 if (r->ws->name)
1472                                         snprintf(ws, sizeof ws, "<%s>",
1473                                             r->ws->name);
1474                         }
1475                         if (stack_enabled)
1476                                 stack = r->ws->stacker;
1477
1478                         snprintf(loc, sizeof loc, "%d:%d %s %s   %s%s    %s    "
1479                             "%s", x++, r->ws->idx + 1, stack, ws, s, cn,
1480                             bar_ext, bar_vertext);
1481                         bar_print(r, loc);
1482                 }
1483         }
1484         alarm(bar_delay);
1485 }
1486
1487 void
1488 bar_check_opts(void)
1489 {
1490         if (title_class_enabled || title_name_enabled || window_name_enabled)
1491                 bar_update();
1492 }
1493
1494 void
1495 bar_signal(int sig)
1496 {
1497         bar_alarm = 1;
1498 }
1499
1500 void
1501 bar_toggle(struct swm_region *r, union arg *args)
1502 {
1503         struct swm_region       *tmpr;
1504         int                     i, sc = ScreenCount(display);
1505
1506         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1507
1508         if (bar_enabled)
1509                 for (i = 0; i < sc; i++)
1510                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1511                                 XUnmapWindow(display, tmpr->bar_window);
1512         else
1513                 for (i = 0; i < sc; i++)
1514                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1515                                 XMapRaised(display, tmpr->bar_window);
1516
1517         bar_enabled = !bar_enabled;
1518
1519         stack();
1520         /* must be after stack */
1521         bar_update();
1522 }
1523
1524 void
1525 bar_refresh(void)
1526 {
1527         XSetWindowAttributes    wa;
1528         struct swm_region       *r;
1529         int                     i;
1530
1531         /* do this here because the conf file is in memory */
1532         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1533                 /* launch external status app */
1534                 bar_extra_running = 1;
1535                 if (pipe(bar_pipe) == -1)
1536                         err(1, "pipe error");
1537                 socket_setnonblock(bar_pipe[0]);
1538                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1539                 if (dup2(bar_pipe[0], 0) == -1)
1540                         err(1, "dup2");
1541                 if (dup2(bar_pipe[1], 1) == -1)
1542                         err(1, "dup2");
1543                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1544                         err(1, "could not disable SIGPIPE");
1545                 switch (bar_pid = fork()) {
1546                 case -1:
1547                         err(1, "cannot fork");
1548                         break;
1549                 case 0: /* child */
1550                         close(bar_pipe[0]);
1551                         execvp(bar_argv[0], bar_argv);
1552                         err(1, "%s external app failed", bar_argv[0]);
1553                         break;
1554                 default: /* parent */
1555                         close(bar_pipe[1]);
1556                         break;
1557                 }
1558         }
1559
1560         bzero(&wa, sizeof wa);
1561         for (i = 0; i < ScreenCount(display); i++)
1562                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1563                         wa.border_pixel =
1564                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1565                         wa.background_pixel =
1566                             screens[i].c[SWM_S_COLOR_BAR].color;
1567                         XChangeWindowAttributes(display, r->bar_window,
1568                             CWBackPixel | CWBorderPixel, &wa);
1569                 }
1570         bar_update();
1571 }
1572
1573 void
1574 bar_setup(struct swm_region *r)
1575 {
1576         char                    *default_string;
1577         char                    **missing_charsets;
1578         int                     num_missing_charsets = 0;
1579         int                     i, x, y;
1580
1581         if (bar_fs) {
1582                 XFreeFontSet(display, bar_fs);
1583                 bar_fs = NULL;
1584         }
1585
1586
1587         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1588
1589         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1590             &num_missing_charsets, &default_string);
1591
1592         if (num_missing_charsets > 0) {
1593                 warnx("Unable to load charset(s):");
1594
1595                 for (i = 0; i < num_missing_charsets; ++i)
1596                         warnx("%s", missing_charsets[i]);
1597
1598                 XFreeStringList(missing_charsets);
1599
1600                 if (strcmp(default_string, ""))
1601                         warnx("Glyphs from those sets will be replaced "
1602                             "by '%s'.", default_string);
1603                 else
1604                         warnx("Glyphs from those sets won't be drawn.");
1605         }
1606
1607         if (bar_fs == NULL)
1608                 errx(1, "Error creating font set structure.");
1609
1610         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1611
1612         bar_height = bar_fs_extents->max_logical_extent.height +
1613             2 * bar_border_width;
1614
1615         if (bar_height < 1)
1616                 bar_height = 1;
1617
1618         x = X(r);
1619         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1620
1621         r->bar_window = XCreateSimpleWindow(display,
1622             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1623             bar_height - 2 * bar_border_width,
1624             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1625             r->s->c[SWM_S_COLOR_BAR].color);
1626         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1627         if (bar_enabled)
1628                 XMapRaised(display, r->bar_window);
1629         DNPRINTF(SWM_D_BAR, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1630
1631         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1632                 err(1, "could not install bar_signal");
1633         bar_refresh();
1634 }
1635
1636 void
1637 drain_enter_notify(void)
1638 {
1639         int                     i = 0;
1640         XEvent                  cne;
1641
1642         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1643                 i++;
1644
1645         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1646 }
1647
1648 void
1649 set_win_state(struct ws_win *win, long state)
1650 {
1651         long                    data[] = {state, None};
1652
1653         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1654
1655         if (win == NULL)
1656                 return;
1657
1658         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1659             (unsigned char *)data, 2);
1660 }
1661
1662 long
1663 getstate(Window w)
1664 {
1665         long                    result = -1;
1666         unsigned char           *p = NULL;
1667         unsigned long           n;
1668
1669         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1670                 return (-1);
1671         if (n != 0)
1672                 result = *((long *)p);
1673         XFree(p);
1674         return (result);
1675 }
1676
1677 void
1678 version(struct swm_region *r, union arg *args)
1679 {
1680         bar_version = !bar_version;
1681         if (bar_version)
1682                 snprintf(bar_vertext, sizeof bar_vertext,
1683                     "Version: %s Build: %s", SCROTWM_VERSION, buildstr);
1684         else
1685                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1686         bar_update();
1687 }
1688
1689 void
1690 client_msg(struct ws_win *win, Atom a)
1691 {
1692         XClientMessageEvent     cm;
1693
1694         if (win == NULL)
1695                 return;
1696
1697         bzero(&cm, sizeof cm);
1698         cm.type = ClientMessage;
1699         cm.window = win->id;
1700         cm.message_type = aprot;
1701         cm.format = 32;
1702         cm.data.l[0] = a;
1703         cm.data.l[1] = CurrentTime;
1704         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1705 }
1706
1707 /* synthetic response to a ConfigureRequest when not making a change */
1708 void
1709 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1710 {
1711         XConfigureEvent         ce;
1712
1713         if (win == NULL)
1714                 return;
1715
1716         /* send notification of unchanged state. */
1717         ce.type = ConfigureNotify;
1718         ce.x = X(win);
1719         ce.y = Y(win);
1720         ce.width = WIDTH(win);
1721         ce.height = HEIGHT(win);
1722         ce.override_redirect = False;
1723
1724         if (ev == NULL) {
1725                 /* EWMH */
1726                 ce.display = display;
1727                 ce.event = win->id;
1728                 ce.window = win->id;
1729                 ce.border_width = border_width;
1730                 ce.above = None;
1731         } else {
1732                 /* normal */
1733                 ce.display = ev->display;
1734                 ce.event = ev->window;
1735                 ce.window = ev->window;
1736
1737                 /* make response appear more WM_SIZE_HINTS-compliant */
1738                 if (win->sh_mask)
1739                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
1740                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
1741                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
1742                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
1743                             SH_INC_W(win), SH_INC_H(win));
1744
1745                 /* min size */
1746                 if (SH_MIN(win)) {
1747                         /* the hint may be set... to 0! */
1748                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
1749                                 ce.width = SH_MIN_W(win);
1750                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
1751                                 ce.height = SH_MIN_H(win);
1752                 }
1753
1754                 /* max size */
1755                 if (SH_MAX(win)) {
1756                         /* may also be advertized as 0 */
1757                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
1758                                 ce.width = SH_MAX_W(win);
1759                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
1760                                 ce.height = SH_MAX_H(win);
1761                 }
1762
1763                 /* resize increment. */
1764                 if (SH_INC(win)) {
1765                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
1766                                 ce.width -= (ce.width - SH_MIN_W(win)) %
1767                                     SH_INC_W(win);
1768                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
1769                                 ce.height -= (ce.height - SH_MIN_H(win)) %
1770                                     SH_INC_H(win);
1771                 }
1772
1773                 /* adjust x and y for requested border_width. */
1774                 ce.x += border_width - ev->border_width;
1775                 ce.y += border_width - ev->border_width;
1776                 ce.border_width = ev->border_width;
1777                 ce.above = ev->above;
1778         }
1779
1780         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
1781             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
1782             ce.y, ce.width, ce.height, ce.border_width);
1783
1784         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1785 }
1786
1787 int
1788 count_win(struct workspace *ws, int count_transient)
1789 {
1790         struct ws_win           *win;
1791         int                     count = 0;
1792
1793         TAILQ_FOREACH(win, &ws->winlist, entry) {
1794                 if (count_transient == 0 && win->floating)
1795                         continue;
1796                 if (count_transient == 0 && win->transient)
1797                         continue;
1798                 if (win->iconic)
1799                         continue;
1800                 count++;
1801         }
1802         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1803
1804         return (count);
1805 }
1806
1807 void
1808 quit(struct swm_region *r, union arg *args)
1809 {
1810         DNPRINTF(SWM_D_MISC, "quit\n");
1811         running = 0;
1812 }
1813
1814 void
1815 unmap_window(struct ws_win *win)
1816 {
1817         if (win == NULL)
1818                 return;
1819
1820         /* don't unmap again */
1821         if (getstate(win->id) == IconicState)
1822                 return;
1823
1824         set_win_state(win, IconicState);
1825
1826         XUnmapWindow(display, win->id);
1827         XSetWindowBorder(display, win->id,
1828             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1829 }
1830
1831 void
1832 unmap_all(void)
1833 {
1834         struct ws_win           *win;
1835         int                     i, j;
1836
1837         for (i = 0; i < ScreenCount(display); i++)
1838                 for (j = 0; j < SWM_WS_MAX; j++)
1839                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1840                                 unmap_window(win);
1841 }
1842
1843 void
1844 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1845 {
1846         XKeyEvent event;
1847
1848         if (win == NULL)
1849                 return;
1850
1851         event.display = display;        /* Ignored, but what the hell */
1852         event.window = win->id;
1853         event.root = win->s->root;
1854         event.subwindow = None;
1855         event.time = CurrentTime;
1856         event.x = X(win);
1857         event.y = Y(win);
1858         event.x_root = 1;
1859         event.y_root = 1;
1860         event.same_screen = True;
1861         event.keycode = XKeysymToKeycode(display, keysym);
1862         event.state = modifiers;
1863
1864         event.type = KeyPress;
1865         XSendEvent(event.display, event.window, True,
1866             KeyPressMask, (XEvent *)&event);
1867
1868         event.type = KeyRelease;
1869         XSendEvent(event.display, event.window, True,
1870             KeyPressMask, (XEvent *)&event);
1871
1872 }
1873
1874 void
1875 restart(struct swm_region *r, union arg *args)
1876 {
1877         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1878
1879         /* disable alarm because the following code may not be interrupted */
1880         alarm(0);
1881         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1882                 err(1, "can't disable alarm");
1883
1884         bar_extra_stop();
1885         bar_extra = 1;
1886         unmap_all();
1887         XCloseDisplay(display);
1888         execvp(start_argv[0], start_argv);
1889         warn("execvp failed");
1890         quit(NULL, NULL);
1891 }
1892
1893 struct swm_region *
1894 root_to_region(Window root)
1895 {
1896         struct swm_region       *r = NULL;
1897         Window                  rr, cr;
1898         int                     i, x, y, wx, wy;
1899         unsigned int            mask;
1900
1901         for (i = 0; i < ScreenCount(display); i++)
1902                 if (screens[i].root == root)
1903                         break;
1904
1905         if (XQueryPointer(display, screens[i].root,
1906             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1907                 /* choose a region based on pointer location */
1908                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1909                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1910                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1911                                 break;
1912         }
1913
1914         if (r == NULL)
1915                 r = TAILQ_FIRST(&screens[i].rl);
1916
1917         return (r);
1918 }
1919
1920 struct ws_win *
1921 find_unmanaged_window(Window id)
1922 {
1923         struct ws_win           *win;
1924         int                     i, j;
1925
1926         for (i = 0; i < ScreenCount(display); i++)
1927                 for (j = 0; j < SWM_WS_MAX; j++)
1928                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1929                             entry)
1930                                 if (id == win->id)
1931                                         return (win);
1932         return (NULL);
1933 }
1934
1935 struct ws_win *
1936 find_window(Window id)
1937 {
1938         struct ws_win           *win;
1939         Window                  wrr, wpr, *wcr = NULL;
1940         int                     i, j;
1941         unsigned int            nc;
1942
1943         for (i = 0; i < ScreenCount(display); i++)
1944                 for (j = 0; j < SWM_WS_MAX; j++)
1945                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1946                                 if (id == win->id)
1947                                         return (win);
1948
1949         /* if we were looking for the parent return that window instead */
1950         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1951                 return (NULL);
1952         if (wcr)
1953                 XFree(wcr);
1954
1955         /* ignore not found and root */
1956         if (wpr == 0 || wrr == wpr)
1957                 return (NULL);
1958
1959         /* look for parent */
1960         for (i = 0; i < ScreenCount(display); i++)
1961                 for (j = 0; j < SWM_WS_MAX; j++)
1962                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1963                                 if (wpr == win->id)
1964                                         return (win);
1965
1966         return (NULL);
1967 }
1968
1969 void
1970 spawn(int ws_idx, union arg *args, int close_fd)
1971 {
1972         int                     fd;
1973         char                    *ret = NULL;
1974
1975         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1976
1977         if (display)
1978                 close(ConnectionNumber(display));
1979
1980         setenv("LD_PRELOAD", SWM_LIB, 1);
1981
1982         if (asprintf(&ret, "%d", ws_idx) == -1) {
1983                 warn("spawn: asprintf SWM_WS");
1984                 _exit(1);
1985         }
1986         setenv("_SWM_WS", ret, 1);
1987         free(ret);
1988         ret = NULL;
1989
1990         if (asprintf(&ret, "%d", getpid()) == -1) {
1991                 warn("spawn: asprintf _SWM_PID");
1992                 _exit(1);
1993         }
1994         setenv("_SWM_PID", ret, 1);
1995         free(ret);
1996         ret = NULL;
1997
1998         if (setsid() == -1) {
1999                 warn("spawn: setsid");
2000                 _exit(1);
2001         }
2002
2003         if (close_fd) {
2004                 /*
2005                  * close stdin and stdout to prevent interaction between apps
2006                  * and the baraction script
2007                  * leave stderr open to record errors
2008                 */
2009                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2010                         warn("spawn: open");
2011                         _exit(1);
2012                 }
2013                 dup2(fd, STDIN_FILENO);
2014                 dup2(fd, STDOUT_FILENO);
2015                 if (fd > 2)
2016                         close(fd);
2017         }
2018
2019         execvp(args->argv[0], args->argv);
2020
2021         warn("spawn: execvp");
2022         _exit(1);
2023 }
2024
2025 void
2026 spawnterm(struct swm_region *r, union arg *args)
2027 {
2028         DNPRINTF(SWM_D_MISC, "spawnterm\n");
2029
2030         if (fork() == 0) {
2031                 if (term_width)
2032                         setenv("_SWM_XTERM_FONTADJ", "", 1);
2033                 spawn(r->ws->idx, args, 1);
2034         }
2035 }
2036
2037 void
2038 kill_refs(struct ws_win *win)
2039 {
2040         int                     i, x;
2041         struct swm_region       *r;
2042         struct workspace        *ws;
2043
2044         if (win == NULL)
2045                 return;
2046
2047         for (i = 0; i < ScreenCount(display); i++)
2048                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2049                         for (x = 0; x < SWM_WS_MAX; x++) {
2050                                 ws = &r->s->ws[x];
2051                                 if (win == ws->focus)
2052                                         ws->focus = NULL;
2053                                 if (win == ws->focus_prev)
2054                                         ws->focus_prev = NULL;
2055                         }
2056 }
2057
2058 int
2059 validate_win(struct ws_win *testwin)
2060 {
2061         struct ws_win           *win;
2062         struct workspace        *ws;
2063         struct swm_region       *r;
2064         int                     i, x;
2065
2066         if (testwin == NULL)
2067                 return (0);
2068
2069         for (i = 0; i < ScreenCount(display); i++)
2070                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2071                         for (x = 0; x < SWM_WS_MAX; x++) {
2072                                 ws = &r->s->ws[x];
2073                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2074                                         if (win == testwin)
2075                                                 return (0);
2076                         }
2077         return (1);
2078 }
2079
2080 int
2081 validate_ws(struct workspace *testws)
2082 {
2083         struct swm_region       *r;
2084         struct workspace        *ws;
2085         int                     i, x;
2086
2087         /* validate all ws */
2088         for (i = 0; i < ScreenCount(display); i++)
2089                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2090                         for (x = 0; x < SWM_WS_MAX; x++) {
2091                                 ws = &r->s->ws[x];
2092                                 if (ws == testws)
2093                                         return (0);
2094                         }
2095         return (1);
2096 }
2097
2098 void
2099 unfocus_win(struct ws_win *win)
2100 {
2101         XEvent                  cne;
2102         Window                  none = None;
2103
2104         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2105
2106         if (win == NULL)
2107                 return;
2108         if (win->ws == NULL)
2109                 return;
2110
2111         if (validate_ws(win->ws))
2112                 return; /* XXX this gets hit with thunderbird, needs fixing */
2113
2114         if (win->ws->r == NULL)
2115                 return;
2116
2117         if (validate_win(win)) {
2118                 kill_refs(win);
2119                 return;
2120         }
2121
2122         if (win->ws->focus == win) {
2123                 win->ws->focus = NULL;
2124                 win->ws->focus_prev = win;
2125         }
2126
2127         if (validate_win(win->ws->focus)) {
2128                 kill_refs(win->ws->focus);
2129                 win->ws->focus = NULL;
2130         }
2131         if (validate_win(win->ws->focus_prev)) {
2132                 kill_refs(win->ws->focus_prev);
2133                 win->ws->focus_prev = NULL;
2134         }
2135
2136         /* drain all previous unfocus events */
2137         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2138                 ;
2139
2140         grabbuttons(win, 0);
2141         XSetWindowBorder(display, win->id,
2142             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2143
2144         XChangeProperty(display, win->s->root,
2145             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2146             PropModeReplace, (unsigned char *)&none,1);
2147 }
2148
2149 void
2150 unfocus_all(void)
2151 {
2152         struct ws_win           *win;
2153         int                     i, j;
2154
2155         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2156
2157         for (i = 0; i < ScreenCount(display); i++)
2158                 for (j = 0; j < SWM_WS_MAX; j++)
2159                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2160                                 unfocus_win(win);
2161 }
2162
2163 void
2164 focus_win(struct ws_win *win)
2165 {
2166         XEvent                  cne;
2167         Window                  cur_focus;
2168         int                     rr;
2169         struct ws_win           *cfw = NULL;
2170
2171
2172         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2173
2174         if (win == NULL)
2175                 return;
2176         if (win->ws == NULL)
2177                 return;
2178
2179         if (validate_ws(win->ws))
2180                 return; /* XXX this gets hit with thunderbird, needs fixing */
2181
2182         if (validate_win(win)) {
2183                 kill_refs(win);
2184                 return;
2185         }
2186
2187         if (validate_win(win)) {
2188                 kill_refs(win);
2189                 return;
2190         }
2191
2192         XGetInputFocus(display, &cur_focus, &rr);
2193         if ((cfw = find_window(cur_focus)) != NULL)
2194                 unfocus_win(cfw);
2195         else {
2196                 /* use larger hammer since the window was killed somehow */
2197                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2198                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2199                                 XSetWindowBorder(display, cfw->id,
2200                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2201         }
2202
2203         win->ws->focus = win;
2204
2205         if (win->ws->r != NULL) {
2206                 /* drain all previous focus events */
2207                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2208                         ;
2209
2210                 if (win->java == 0)
2211                         XSetInputFocus(display, win->id,
2212                             RevertToParent, CurrentTime);
2213                 grabbuttons(win, 1);
2214                 XSetWindowBorder(display, win->id,
2215                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2216                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2217                     win->ws->always_raise)
2218                         XMapRaised(display, win->id);
2219
2220                 XChangeProperty(display, win->s->root,
2221                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2222                     PropModeReplace, (unsigned char *)&win->id,1);
2223         }
2224
2225         bar_check_opts();
2226 }
2227
2228 void
2229 switchws(struct swm_region *r, union arg *args)
2230 {
2231         int                     wsid = args->id, unmap_old = 0;
2232         struct swm_region       *this_r, *other_r;
2233         struct ws_win           *win;
2234         struct workspace        *new_ws, *old_ws;
2235         union arg               a;
2236
2237         if (!(r && r->s))
2238                 return;
2239
2240         this_r = r;
2241         old_ws = this_r->ws;
2242         new_ws = &this_r->s->ws[wsid];
2243
2244         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2245             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2246
2247         if (new_ws == NULL || old_ws == NULL)
2248                 return;
2249         if (new_ws == old_ws)
2250                 return;
2251
2252         other_r = new_ws->r;
2253         if (other_r == NULL) {
2254                 /* the other workspace is hidden, hide this one */
2255                 old_ws->r = NULL;
2256                 unmap_old = 1;
2257         } else {
2258                 /* the other ws is visible in another region, exchange them */
2259                 other_r->ws_prior = new_ws;
2260                 other_r->ws = old_ws;
2261                 old_ws->r = other_r;
2262         }
2263         this_r->ws_prior = old_ws;
2264         this_r->ws = new_ws;
2265         new_ws->r = this_r;
2266
2267         /* this is needed so that we can click on a window after a restart */
2268         unfocus_all();
2269
2270         stack();
2271         a.id = SWM_ARG_ID_FOCUSCUR;
2272         focus(new_ws->r, &a);
2273
2274         bar_update();
2275
2276         /* unmap old windows */
2277         if (unmap_old)
2278                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2279                         unmap_window(win);
2280
2281         if (focus_mode == SWM_FOCUS_DEFAULT)
2282                 drain_enter_notify();
2283 }
2284
2285 void
2286 cyclews(struct swm_region *r, union arg *args)
2287 {
2288         union                   arg a;
2289         struct swm_screen       *s = r->s;
2290         int                     cycle_all = 0;
2291
2292         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2293             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2294
2295         a.id = r->ws->idx;
2296         do {
2297                 switch (args->id) {
2298                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2299                         cycle_all = 1;
2300                         /* FALLTHROUGH */
2301                 case SWM_ARG_ID_CYCLEWS_UP:
2302                         if (a.id < SWM_WS_MAX - 1)
2303                                 a.id++;
2304                         else
2305                                 a.id = 0;
2306                         break;
2307                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2308                         cycle_all = 1;
2309                         /* FALLTHROUGH */
2310                 case SWM_ARG_ID_CYCLEWS_DOWN:
2311                         if (a.id > 0)
2312                                 a.id--;
2313                         else
2314                                 a.id = SWM_WS_MAX - 1;
2315                         break;
2316                 default:
2317                         return;
2318                 };
2319
2320                 if (!cycle_all &&
2321                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2322                         continue;
2323                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2324                         continue;
2325
2326                 switchws(r, &a);
2327         } while (a.id != r->ws->idx);
2328 }
2329
2330 void
2331 priorws(struct swm_region *r, union arg *args)
2332 {
2333         union arg               a;
2334
2335         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2336             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2337
2338         if (r->ws_prior == NULL)
2339                 return;
2340
2341         a.id = r->ws_prior->idx;
2342         switchws(r, &a);
2343 }
2344
2345 void
2346 cyclescr(struct swm_region *r, union arg *args)
2347 {
2348         struct swm_region       *rr = NULL;
2349         union arg               a;
2350         int                     i, x, y;
2351
2352         /* do nothing if we don't have more than one screen */
2353         if (!(ScreenCount(display) > 1 || outputs > 1))
2354                 return;
2355
2356         i = r->s->idx;
2357         switch (args->id) {
2358         case SWM_ARG_ID_CYCLESC_UP:
2359                 rr = TAILQ_NEXT(r, entry);
2360                 if (rr == NULL)
2361                         rr = TAILQ_FIRST(&screens[i].rl);
2362                 break;
2363         case SWM_ARG_ID_CYCLESC_DOWN:
2364                 rr = TAILQ_PREV(r, swm_region_list, entry);
2365                 if (rr == NULL)
2366                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2367                 break;
2368         default:
2369                 return;
2370         };
2371         if (rr == NULL)
2372                 return;
2373
2374         /* move mouse to region */
2375         x = X(rr) + 1;
2376         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2377         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2378
2379         a.id = SWM_ARG_ID_FOCUSCUR;
2380         focus(rr, &a);
2381
2382         if (rr->ws->focus) {
2383                 /* move to focus window */
2384                 x = X(rr->ws->focus) + 1;
2385                 y = Y(rr->ws->focus) + 1;
2386                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2387         }
2388 }
2389
2390 void
2391 sort_windows(struct ws_win_list *wl)
2392 {
2393         struct ws_win           *win, *parent, *nxt;
2394
2395         if (wl == NULL)
2396                 return;
2397
2398         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2399                 nxt = TAILQ_NEXT(win, entry);
2400                 if (win->transient) {
2401                         parent = find_window(win->transient);
2402                         if (parent == NULL) {
2403                                 warnx("not possible bug");
2404                                 continue;
2405                         }
2406                         TAILQ_REMOVE(wl, win, entry);
2407                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2408                 }
2409         }
2410
2411 }
2412
2413 void
2414 swapwin(struct swm_region *r, union arg *args)
2415 {
2416         struct ws_win           *target, *source;
2417         struct ws_win           *cur_focus;
2418         struct ws_win_list      *wl;
2419
2420
2421         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2422             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2423
2424         cur_focus = r->ws->focus;
2425         if (cur_focus == NULL)
2426                 return;
2427
2428         source = cur_focus;
2429         wl = &source->ws->winlist;
2430
2431         switch (args->id) {
2432         case SWM_ARG_ID_SWAPPREV:
2433                 if (source->transient)
2434                         source = find_window(source->transient);
2435                 target = TAILQ_PREV(source, ws_win_list, entry);
2436                 if (target && target->transient)
2437                         target = find_window(target->transient);
2438                 TAILQ_REMOVE(wl, source, entry);
2439                 if (target == NULL)
2440                         TAILQ_INSERT_TAIL(wl, source, entry);
2441                 else
2442                         TAILQ_INSERT_BEFORE(target, source, entry);
2443                 break;
2444         case SWM_ARG_ID_SWAPNEXT:
2445                 target = TAILQ_NEXT(source, entry);
2446                 /* move the parent and let the sort handle the move */
2447                 if (source->transient)
2448                         source = find_window(source->transient);
2449                 TAILQ_REMOVE(wl, source, entry);
2450                 if (target == NULL)
2451                         TAILQ_INSERT_HEAD(wl, source, entry);
2452                 else
2453                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2454                 break;
2455         case SWM_ARG_ID_SWAPMAIN:
2456                 target = TAILQ_FIRST(wl);
2457                 if (target == source) {
2458                         if (source->ws->focus_prev != NULL &&
2459                             source->ws->focus_prev != target)
2460
2461                                 source = source->ws->focus_prev;
2462                         else
2463                                 return;
2464                 }
2465                 if (target == NULL || source == NULL)
2466                         return;
2467                 source->ws->focus_prev = target;
2468                 TAILQ_REMOVE(wl, target, entry);
2469                 TAILQ_INSERT_BEFORE(source, target, entry);
2470                 TAILQ_REMOVE(wl, source, entry);
2471                 TAILQ_INSERT_HEAD(wl, source, entry);
2472                 break;
2473         case SWM_ARG_ID_MOVELAST:
2474                 TAILQ_REMOVE(wl, source, entry);
2475                 TAILQ_INSERT_TAIL(wl, source, entry);
2476                 break;
2477         default:
2478                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2479                 return;
2480         }
2481
2482         sort_windows(wl);
2483
2484         stack();
2485 }
2486
2487 void
2488 focus_prev(struct ws_win *win)
2489 {
2490         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2491         struct ws_win           *cur_focus = NULL;
2492         struct ws_win_list      *wl = NULL;
2493         struct workspace        *ws = NULL;
2494
2495         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx\n", WINID(win));
2496
2497         if (!(win && win->ws))
2498                 return;
2499
2500         ws = win->ws;
2501         wl = &ws->winlist;
2502         cur_focus = ws->focus;
2503         winlostfocus = cur_focus;
2504
2505         /* pickle, just focus on whatever */
2506         if (cur_focus == NULL) {
2507                 /* use prev_focus if valid */
2508                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2509                     find_window(WINID(ws->focus_prev)))
2510                         winfocus = ws->focus_prev;
2511                 if (winfocus == NULL)
2512                         winfocus = TAILQ_FIRST(wl);
2513                 goto done;
2514         }
2515
2516         /* if transient focus on parent */
2517         if (cur_focus->transient) {
2518                 winfocus = find_window(cur_focus->transient);
2519                 goto done;
2520         }
2521
2522         /* if in max_stack try harder */
2523         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2524             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2525                 if (cur_focus != ws->focus_prev)
2526                         winfocus = ws->focus_prev;
2527                 else if (cur_focus != ws->focus)
2528                         winfocus = ws->focus;
2529                 else
2530                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2531                 if (winfocus)
2532                         goto done;
2533         }
2534
2535         if (cur_focus == win)
2536                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2537         if (winfocus == NULL)
2538                 winfocus = TAILQ_LAST(wl, ws_win_list);
2539         if (winfocus == NULL || winfocus == win)
2540                 winfocus = TAILQ_NEXT(cur_focus, entry);
2541
2542 done:
2543         focus_magic(winfocus);
2544 }
2545
2546 void
2547 focus(struct swm_region *r, union arg *args)
2548 {
2549         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2550         struct ws_win           *cur_focus = NULL;
2551         struct ws_win_list      *wl = NULL;
2552         struct workspace        *ws = NULL;
2553         int                     all_iconics;
2554
2555         if (!(r && r->ws))
2556                 return;
2557
2558         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2559
2560         /* treat FOCUS_CUR special */
2561         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2562                 if (r->ws->focus && r->ws->focus->iconic == 0)
2563                         winfocus = r->ws->focus;
2564                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2565                         winfocus = r->ws->focus_prev;
2566                 else
2567                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2568                                 if (winfocus->iconic == 0)
2569                                         break;
2570
2571                 focus_magic(winfocus);
2572                 return;
2573         }
2574
2575         if ((cur_focus = r->ws->focus) == NULL)
2576                 return;
2577         ws = r->ws;
2578         wl = &ws->winlist;
2579         if (TAILQ_EMPTY(wl))
2580                 return;
2581         /* make sure there is at least one uniconified window */
2582         all_iconics = 1;
2583         TAILQ_FOREACH(winfocus, wl, entry)
2584                 if (winfocus->iconic == 0) {
2585                         all_iconics = 0;
2586                         break;
2587                 }
2588         if (all_iconics)
2589                 return;
2590
2591         winlostfocus = cur_focus;
2592
2593         switch (args->id) {
2594         case SWM_ARG_ID_FOCUSPREV:
2595                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2596                 if (head == NULL)
2597                         head = TAILQ_LAST(wl, ws_win_list);
2598                 winfocus = head;
2599                 if (WINID(winfocus) == cur_focus->transient) {
2600                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2601                         if (head == NULL)
2602                                 head = TAILQ_LAST(wl, ws_win_list);
2603                         winfocus = head;
2604                 }
2605
2606                 /* skip iconics */
2607                 if (winfocus && winfocus->iconic) {
2608                         while (winfocus != cur_focus) {
2609                                 if (winfocus == NULL)
2610                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2611                                 if (winfocus->iconic == 0)
2612                                         break;
2613                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2614                                     entry);
2615                         }
2616                 }
2617                 break;
2618
2619         case SWM_ARG_ID_FOCUSNEXT:
2620                 head = TAILQ_NEXT(cur_focus, entry);
2621                 if (head == NULL)
2622                         head = TAILQ_FIRST(wl);
2623                 winfocus = head;
2624
2625                 /* skip iconics */
2626                 if (winfocus && winfocus->iconic) {
2627                         while (winfocus != cur_focus) {
2628                                 if (winfocus == NULL)
2629                                         winfocus = TAILQ_FIRST(wl);
2630                                 if (winfocus->iconic == 0)
2631                                         break;
2632                                 winfocus = TAILQ_NEXT(winfocus, entry);
2633                         }
2634                 }
2635                 break;
2636
2637         case SWM_ARG_ID_FOCUSMAIN:
2638                 winfocus = TAILQ_FIRST(wl);
2639                 if (winfocus == cur_focus)
2640                         winfocus = cur_focus->ws->focus_prev;
2641                 break;
2642
2643         default:
2644                 return;
2645         }
2646
2647         focus_magic(winfocus);
2648 }
2649
2650 void
2651 cycle_layout(struct swm_region *r, union arg *args)
2652 {
2653         struct workspace        *ws = r->ws;
2654         union arg               a;
2655
2656         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2657
2658         ws->cur_layout++;
2659         if (ws->cur_layout->l_stack == NULL)
2660                 ws->cur_layout = &layouts[0];
2661
2662         stack();
2663         if (focus_mode == SWM_FOCUS_DEFAULT)
2664                 drain_enter_notify();
2665         a.id = SWM_ARG_ID_FOCUSCUR;
2666         focus(r, &a);
2667         bar_update();
2668 }
2669
2670 void
2671 stack_config(struct swm_region *r, union arg *args)
2672 {
2673         struct workspace        *ws = r->ws;
2674
2675         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2676             args->id, ws->idx);
2677
2678         if (ws->cur_layout->l_config != NULL)
2679                 ws->cur_layout->l_config(ws, args->id);
2680
2681         if (args->id != SWM_ARG_ID_STACKINIT)
2682                 stack();
2683         bar_update();
2684 }
2685
2686 void
2687 stack(void) {
2688         struct swm_geometry     g;
2689         struct swm_region       *r;
2690         int                     i;
2691 #ifdef SWM_DEBUG
2692         int j;
2693 #endif
2694
2695         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2696
2697         for (i = 0; i < ScreenCount(display); i++) {
2698 #ifdef SWM_DEBUG
2699                 j = 0;
2700 #endif
2701                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2702                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2703                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2704
2705                         /* start with screen geometry, adjust for bar */
2706                         g = r->g;
2707                         g.w -= 2 * border_width;
2708                         g.h -= 2 * border_width;
2709                         if (bar_enabled) {
2710                                 if (!bar_at_bottom)
2711                                         g.y += bar_height;
2712                                 g.h -= bar_height;
2713                         }
2714                         r->ws->cur_layout->l_stack(r->ws, &g);
2715                         r->ws->cur_layout->l_string(r->ws);
2716                         /* save r so we can track region changes */
2717                         r->ws->old_r = r;
2718                 }
2719         }
2720         if (font_adjusted)
2721                 font_adjusted--;
2722
2723         if (focus_mode == SWM_FOCUS_DEFAULT)
2724                 drain_enter_notify();
2725
2726         DNPRINTF(SWM_D_STACK, "stack: end\n");
2727 }
2728
2729 void
2730 store_float_geom(struct ws_win *win, struct swm_region *r)
2731 {
2732         /* retain window geom and region geom */
2733         win->g_float = win->g;
2734         win->rg_float = r->g;
2735         win->g_floatvalid = 1;
2736 }
2737
2738 void
2739 stack_floater(struct ws_win *win, struct swm_region *r)
2740 {
2741         unsigned int            mask;
2742         XWindowChanges          wc;
2743
2744         if (win == NULL)
2745                 return;
2746
2747         bzero(&wc, sizeof wc);
2748         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2749
2750         /*
2751          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2752          * geom on ws switches or return from max mode
2753          */
2754         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2755             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2756                 /*
2757                  * use stored g and rg to set relative position and size
2758                  * as in old region or before max stack mode
2759                  */
2760                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2761                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2762                 WIDTH(win) = win->g_float.w;
2763                 HEIGHT(win) = win->g_float.h;
2764                 win->g_floatvalid = 0;
2765         }
2766
2767         win->floatmaxed = 0;
2768
2769         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2770             (HEIGHT(win) >= HEIGHT(r)))
2771                 wc.border_width = 0;
2772         else
2773                 wc.border_width = border_width;
2774         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2775                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2776                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2777         }
2778
2779         if (!win->manual) {
2780                 /*
2781                  * floaters and transients are auto-centred unless moved
2782                  * or resized
2783                  */
2784                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2785                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2786         }
2787
2788         /* win can be outside r if new r smaller than old r */
2789         /* Ensure top left corner inside r (move probs otherwise) */
2790         if (X(win) < X(r) - wc.border_width)
2791                 X(win) = X(r) - wc.border_width;
2792         if (X(win) > X(r) + WIDTH(r) - 1)
2793                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2794                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2795         if (Y(win) < Y(r) - wc.border_width)
2796                 Y(win) = Y(r) - wc.border_width;
2797         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2798                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2799                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2800
2801         wc.x = X(win);
2802         wc.y = Y(win);
2803         wc.width = WIDTH(win);
2804         wc.height = HEIGHT(win);
2805
2806         /*
2807          * Retain floater and transient geometry for correct positioning
2808          * when ws changes region
2809          */
2810         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2811                 store_float_geom(win, r);
2812
2813         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
2814             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
2815
2816         XConfigureWindow(display, win->id, mask, &wc);
2817 }
2818
2819 /*
2820  * Send keystrokes to terminal to decrease/increase the font size as the
2821  * window size changes.
2822  */
2823 void
2824 adjust_font(struct ws_win *win)
2825 {
2826         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2827             win->floating || win->transient)
2828                 return;
2829
2830         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2831             WIDTH(win) / win->sh.width_inc < term_width &&
2832             win->font_steps < SWM_MAX_FONT_STEPS) {
2833                 win->font_size_boundary[win->font_steps] =
2834                     (win->sh.width_inc * term_width) + win->sh.base_width;
2835                 win->font_steps++;
2836                 font_adjusted++;
2837                 win->last_inc = win->sh.width_inc;
2838                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2839         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2840             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
2841                 win->font_steps--;
2842                 font_adjusted++;
2843                 win->last_inc = win->sh.width_inc;
2844                 fake_keypress(win, XK_KP_Add, ShiftMask);
2845         }
2846 }
2847
2848 #define SWAPXY(g)       do {                            \
2849         int tmp;                                        \
2850         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2851         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2852 } while (0)
2853 void
2854 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2855 {
2856         XWindowChanges          wc;
2857         XWindowAttributes       wa;
2858         struct swm_geometry     win_g, r_g = *g;
2859         struct ws_win           *win, *fs_win = 0;
2860         int                     i, j, s, stacks;
2861         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2862         int                     hrh, extra = 0, h_slice, last_h = 0;
2863         int                     split, colno, winno, mwin, msize, mscale;
2864         int                     remain, missing, v_slice, reconfigure;
2865         unsigned int            mask;
2866
2867         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
2868             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
2869
2870         winno = count_win(ws, 0);
2871         if (winno == 0 && count_win(ws, 1) == 0)
2872                 return;
2873
2874         TAILQ_FOREACH(win, &ws->winlist, entry)
2875                 if (win->transient == 0 && win->floating == 0
2876                     && win->iconic == 0)
2877                         break;
2878
2879         if (win == NULL)
2880                 goto notiles;
2881
2882         if (rot) {
2883                 w_inc = win->sh.width_inc;
2884                 w_base = win->sh.base_width;
2885                 mwin = ws->l_state.horizontal_mwin;
2886                 mscale = ws->l_state.horizontal_msize;
2887                 stacks = ws->l_state.horizontal_stacks;
2888                 SWAPXY(&r_g);
2889         } else {
2890                 w_inc = win->sh.height_inc;
2891                 w_base = win->sh.base_height;
2892                 mwin = ws->l_state.vertical_mwin;
2893                 mscale = ws->l_state.vertical_msize;
2894                 stacks = ws->l_state.vertical_stacks;
2895         }
2896         win_g = r_g;
2897
2898         if (stacks > winno - mwin)
2899                 stacks = winno - mwin;
2900         if (stacks < 1)
2901                 stacks = 1;
2902
2903         h_slice = r_g.h / SWM_H_SLICE;
2904         if (mwin && winno > mwin) {
2905                 v_slice = r_g.w / SWM_V_SLICE;
2906
2907                 split = mwin;
2908                 colno = split;
2909                 win_g.w = v_slice * mscale;
2910
2911                 if (w_inc > 1 && w_inc < v_slice) {
2912                         /* adjust for window's requested size increment */
2913                         remain = (win_g.w - w_base) % w_inc;
2914                         missing = w_inc - remain;
2915                         win_g.w -= remain;
2916                         extra += remain;
2917                 }
2918
2919                 msize = win_g.w;
2920                 if (flip)
2921                         win_g.x += r_g.w - msize;
2922         } else {
2923                 msize = -2;
2924                 colno = split = winno / stacks;
2925                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2926                     2 * border_width) / stacks);
2927         }
2928         hrh = r_g.h / colno;
2929         extra = r_g.h - (colno * hrh);
2930         win_g.h = hrh - 2 * border_width;
2931
2932         /*  stack all the tiled windows */
2933         i = j = 0, s = stacks;
2934         TAILQ_FOREACH(win, &ws->winlist, entry) {
2935                 if (win->transient != 0 || win->floating != 0)
2936                         continue;
2937                 if (win->iconic != 0)
2938                         continue;
2939
2940                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2941                         fs_win = win;
2942                         continue;
2943                 }
2944
2945                 if (split && i == split) {
2946                         colno = (winno - mwin) / stacks;
2947                         if (s <= (winno - mwin) % stacks)
2948                                 colno++;
2949                         split = split + colno;
2950                         hrh = (r_g.h / colno);
2951                         extra = r_g.h - (colno * hrh);
2952                         if (flip)
2953                                 win_g.x = r_g.x;
2954                         else
2955                                 win_g.x += win_g.w + 2 * border_width;
2956                         win_g.w = (r_g.w - msize -
2957                             (stacks * 2 * border_width)) / stacks;
2958                         if (s == 1)
2959                                 win_g.w += (r_g.w - msize -
2960                                     (stacks * 2 * border_width)) % stacks;
2961                         s--;
2962                         j = 0;
2963                 }
2964                 win_g.h = hrh - 2 * border_width;
2965                 if (rot) {
2966                         h_inc = win->sh.width_inc;
2967                         h_base = win->sh.base_width;
2968                 } else {
2969                         h_inc = win->sh.height_inc;
2970                         h_base = win->sh.base_height;
2971                 }
2972                 if (j == colno - 1) {
2973                         win_g.h = hrh + extra;
2974                 } else if (h_inc > 1 && h_inc < h_slice) {
2975                         /* adjust for window's requested size increment */
2976                         remain = (win_g.h - h_base) % h_inc;
2977                         missing = h_inc - remain;
2978
2979                         if (missing <= extra || j == 0) {
2980                                 extra -= missing;
2981                                 win_g.h += missing;
2982                         } else {
2983                                 win_g.h -= remain;
2984                                 extra += remain;
2985                         }
2986                 }
2987
2988                 if (j == 0)
2989                         win_g.y = r_g.y;
2990                 else
2991                         win_g.y += last_h + 2 * border_width;
2992
2993                 bzero(&wc, sizeof wc);
2994                 if (disable_border && bar_enabled == 0 && winno == 1){
2995                         wc.border_width = 0;
2996                         win_g.w += 2 * border_width;
2997                         win_g.h += 2 * border_width;
2998                 } else
2999                         wc.border_width = border_width;
3000                 reconfigure = 0;
3001                 if (rot) {
3002                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3003                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3004                                 reconfigure = 1;
3005                                 X(win) = wc.x = win_g.y;
3006                                 Y(win) = wc.y = win_g.x;
3007                                 WIDTH(win) = wc.width = win_g.h;
3008                                 HEIGHT(win) = wc.height = win_g.w;
3009                         }
3010                 } else {
3011                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3012                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3013                                 reconfigure = 1;
3014                                 X(win) = wc.x = win_g.x;
3015                                 Y(win) = wc.y = win_g.y;
3016                                 WIDTH(win) = wc.width = win_g.w;
3017                                 HEIGHT(win) = wc.height = win_g.h;
3018                         }
3019                 }
3020                 if (reconfigure) {
3021                         adjust_font(win);
3022                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3023                         XConfigureWindow(display, win->id, mask, &wc);
3024                 }
3025
3026                 if (XGetWindowAttributes(display, win->id, &wa))
3027                         if (wa.map_state == IsUnmapped)
3028                                 XMapRaised(display, win->id);
3029
3030                 last_h = win_g.h;
3031                 i++;
3032                 j++;
3033         }
3034
3035 notiles:
3036         /* now, stack all the floaters and transients */
3037         TAILQ_FOREACH(win, &ws->winlist, entry) {
3038                 if (win->transient == 0 && win->floating == 0)
3039                         continue;
3040                 if (win->iconic == 1)
3041                         continue;
3042                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3043                         fs_win = win;
3044                         continue;
3045                 }
3046
3047                 stack_floater(win, ws->r);
3048                 XMapRaised(display, win->id);
3049         }
3050
3051         if (fs_win) {
3052                 stack_floater(fs_win, ws->r);
3053                 XMapRaised(display, fs_win->id);
3054         }
3055 }
3056
3057 void
3058 vertical_config(struct workspace *ws, int id)
3059 {
3060         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3061             id, ws->idx);
3062
3063         switch (id) {
3064         case SWM_ARG_ID_STACKRESET:
3065         case SWM_ARG_ID_STACKINIT:
3066                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3067                 ws->l_state.vertical_mwin = 1;
3068                 ws->l_state.vertical_stacks = 1;
3069                 break;
3070         case SWM_ARG_ID_MASTERSHRINK:
3071                 if (ws->l_state.vertical_msize > 1)
3072                         ws->l_state.vertical_msize--;
3073                 break;
3074         case SWM_ARG_ID_MASTERGROW:
3075                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3076                         ws->l_state.vertical_msize++;
3077                 break;
3078         case SWM_ARG_ID_MASTERADD:
3079                 ws->l_state.vertical_mwin++;
3080                 break;
3081         case SWM_ARG_ID_MASTERDEL:
3082                 if (ws->l_state.vertical_mwin > 0)
3083                         ws->l_state.vertical_mwin--;
3084                 break;
3085         case SWM_ARG_ID_STACKINC:
3086                 ws->l_state.vertical_stacks++;
3087                 break;
3088         case SWM_ARG_ID_STACKDEC:
3089                 if (ws->l_state.vertical_stacks > 1)
3090                         ws->l_state.vertical_stacks--;
3091                 break;
3092         case SWM_ARG_ID_FLIPLAYOUT:
3093                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3094                 break;
3095         default:
3096                 return;
3097         }
3098 }
3099
3100 void
3101 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3102 {
3103         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3104
3105         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3106 }
3107
3108 void
3109 horizontal_config(struct workspace *ws, int id)
3110 {
3111         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3112
3113         switch (id) {
3114         case SWM_ARG_ID_STACKRESET:
3115         case SWM_ARG_ID_STACKINIT:
3116                 ws->l_state.horizontal_mwin = 1;
3117                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3118                 ws->l_state.horizontal_stacks = 1;
3119                 break;
3120         case SWM_ARG_ID_MASTERSHRINK:
3121                 if (ws->l_state.horizontal_msize > 1)
3122                         ws->l_state.horizontal_msize--;
3123                 break;
3124         case SWM_ARG_ID_MASTERGROW:
3125                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3126                         ws->l_state.horizontal_msize++;
3127                 break;
3128         case SWM_ARG_ID_MASTERADD:
3129                 ws->l_state.horizontal_mwin++;
3130                 break;
3131         case SWM_ARG_ID_MASTERDEL:
3132                 if (ws->l_state.horizontal_mwin > 0)
3133                         ws->l_state.horizontal_mwin--;
3134                 break;
3135         case SWM_ARG_ID_STACKINC:
3136                 ws->l_state.horizontal_stacks++;
3137                 break;
3138         case SWM_ARG_ID_STACKDEC:
3139                 if (ws->l_state.horizontal_stacks > 1)
3140                         ws->l_state.horizontal_stacks--;
3141                 break;
3142         case SWM_ARG_ID_FLIPLAYOUT:
3143                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3144                 break;
3145         default:
3146                 return;
3147         }
3148 }
3149
3150 void
3151 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3152 {
3153         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3154
3155         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3156 }
3157
3158 /* fullscreen view */
3159 void
3160 max_stack(struct workspace *ws, struct swm_geometry *g)
3161 {
3162         XWindowChanges          wc;
3163         struct swm_geometry     gg = *g;
3164         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3165         unsigned int            mask;
3166         int                     winno;
3167
3168         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3169
3170         if (ws == NULL)
3171                 return;
3172
3173         winno = count_win(ws, 0);
3174         if (winno == 0 && count_win(ws, 1) == 0)
3175                 return;
3176
3177         TAILQ_FOREACH(win, &ws->winlist, entry) {
3178                 if (win->transient) {
3179                         wintrans = win;
3180                         parent = find_window(win->transient);
3181                         continue;
3182                 }
3183
3184                 if (win->floating && win->floatmaxed == 0 ) {
3185                         /*
3186                          * retain geometry for retrieval on exit from
3187                          * max_stack mode
3188                          */
3189                         store_float_geom(win, ws->r);
3190                         win->floatmaxed = 1;
3191                 }
3192
3193                 /* only reconfigure if necessary */
3194                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3195                     HEIGHT(win) != gg.h) {
3196                         bzero(&wc, sizeof wc);
3197                         X(win) = wc.x = gg.x;
3198                         Y(win) = wc.y = gg.y;
3199                         if (bar_enabled){
3200                                 wc.border_width = border_width;
3201                                 WIDTH(win) = wc.width = gg.w;
3202                                 HEIGHT(win) = wc.height = gg.h;
3203                         } else {
3204                                 wc.border_width = 0;
3205                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3206                                 HEIGHT(win) = wc.height = gg.h +
3207                                     2 * border_width;
3208                         }
3209                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3210                         XConfigureWindow(display, win->id, mask, &wc);
3211                 }
3212                 /* unmap only if we don't have multi screen */
3213                 if (win != ws->focus)
3214                         if (!(ScreenCount(display) > 1 || outputs > 1))
3215                                 unmap_window(win);
3216         }
3217
3218         /* put the last transient on top */
3219         if (wintrans) {
3220                 if (parent)
3221                         XMapRaised(display, parent->id);
3222                 stack_floater(wintrans, ws->r);
3223                 focus_magic(wintrans);
3224         }
3225 }
3226
3227 void
3228 send_to_ws(struct swm_region *r, union arg *args)
3229 {
3230         int                     wsid = args->id;
3231         struct ws_win           *win = NULL, *parent;
3232         struct workspace        *ws, *nws;
3233         Atom                    ws_idx_atom = 0;
3234         unsigned char           ws_idx_str[SWM_PROPLEN];
3235         union arg               a;
3236
3237         if (r && r->ws && r->ws->focus)
3238                 win = r->ws->focus;
3239         else
3240                 return;
3241         if (win == NULL)
3242                 return;
3243         if (win->ws->idx == wsid)
3244                 return;
3245
3246         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3247
3248         ws = win->ws;
3249         nws = &win->s->ws[wsid];
3250
3251         a.id = SWM_ARG_ID_FOCUSPREV;
3252         focus(r, &a);
3253         if (win->transient) {
3254                 parent = find_window(win->transient);
3255                 if (parent) {
3256                         unmap_window(parent);
3257                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3258                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3259                         parent->ws = nws;
3260                 }
3261         }
3262         unmap_window(win);
3263         TAILQ_REMOVE(&ws->winlist, win, entry);
3264         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3265         if (TAILQ_EMPTY(&ws->winlist))
3266                 r->ws->focus = NULL;
3267         win->ws = nws;
3268
3269         /* Try to update the window's workspace property */
3270         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3271         if (ws_idx_atom &&
3272             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3273                 SWM_PROPLEN) {
3274                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3275                     ws_idx_str);
3276                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3277                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3278         }
3279
3280         stack();
3281 }
3282
3283 void
3284 pressbutton(struct swm_region *r, union arg *args)
3285 {
3286         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3287         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3288 }
3289
3290 void
3291 raise_toggle(struct swm_region *r, union arg *args)
3292 {
3293         if (r && r->ws == NULL)
3294                 return;
3295
3296         r->ws->always_raise = !r->ws->always_raise;
3297
3298         /* bring floaters back to top */
3299         if (r->ws->always_raise == 0)
3300                 stack();
3301 }
3302
3303 void
3304 iconify(struct swm_region *r, union arg *args)
3305 {
3306         union arg a;
3307
3308         if (r->ws->focus == NULL)
3309                 return;
3310         unmap_window(r->ws->focus);
3311         update_iconic(r->ws->focus, 1);
3312         stack();
3313         if (focus_mode == SWM_FOCUS_DEFAULT)
3314                 drain_enter_notify();
3315         r->ws->focus = NULL;
3316         a.id = SWM_ARG_ID_FOCUSCUR;
3317         focus(r, &a);
3318 }
3319
3320 unsigned char *
3321 get_win_name(Window win)
3322 {
3323         unsigned char           *prop = NULL;
3324         unsigned long           nbytes, nitems;
3325
3326         /* try _NET_WM_NAME first */
3327         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3328             &prop)) {
3329                 XFree(prop);
3330                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3331                     &nitems, NULL, &prop))
3332                         return (prop);
3333         }
3334
3335         /* fallback to WM_NAME */
3336         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3337                 return (NULL);
3338         XFree(prop);
3339         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3340                 return (prop);
3341
3342         return (NULL);
3343 }
3344
3345 void
3346 uniconify(struct swm_region *r, union arg *args)
3347 {
3348         struct ws_win           *win;
3349         FILE                    *lfile;
3350         unsigned char           *name;
3351         int                     count = 0;
3352
3353         DNPRINTF(SWM_D_MISC, "uniconify\n");
3354
3355         if (r && r->ws == NULL)
3356                 return;
3357
3358         /* make sure we have anything to uniconify */
3359         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3360                 if (win->ws == NULL)
3361                         continue; /* should never happen */
3362                 if (win->iconic == 0)
3363                         continue;
3364                 count++;
3365         }
3366         if (count == 0)
3367                 return;
3368
3369         search_r = r;
3370         search_resp_action = SWM_SEARCH_UNICONIFY;
3371
3372         spawn_select(r, args, "search", &searchpid);
3373
3374         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3375                 return;
3376
3377         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3378                 if (win->ws == NULL)
3379                         continue; /* should never happen */
3380                 if (win->iconic == 0)
3381                         continue;
3382
3383                 name = get_win_name(win->id);
3384                 if (name == NULL)
3385                         continue;
3386                 fprintf(lfile, "%s.%lu\n", name, win->id);
3387                 XFree(name);
3388         }
3389
3390         fclose(lfile);
3391 }
3392
3393 void
3394 name_workspace(struct swm_region *r, union arg *args)
3395 {
3396         FILE                    *lfile;
3397
3398         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3399
3400         if (r == NULL)
3401                 return;
3402
3403         search_r = r;
3404         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3405
3406         spawn_select(r, args, "name_workspace", &searchpid);
3407
3408         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3409                 return;
3410
3411         fprintf(lfile, "%s", "");
3412         fclose(lfile);
3413 }
3414
3415 void
3416 search_workspace(struct swm_region *r, union arg *args)
3417 {
3418         int                     i;
3419         struct workspace        *ws;
3420         FILE                    *lfile;
3421
3422         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3423
3424         if (r == NULL)
3425                 return;
3426
3427         search_r = r;
3428         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3429
3430         spawn_select(r, args, "search", &searchpid);
3431
3432         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3433                 return;
3434
3435         for (i = 0; i < SWM_WS_MAX; i++) {
3436                 ws = &r->s->ws[i];
3437                 if (ws == NULL)
3438                         continue;
3439                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3440                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3441         }
3442
3443         fclose(lfile);
3444 }
3445
3446 void
3447 search_win_cleanup(void)
3448 {
3449         struct search_window    *sw = NULL;
3450
3451         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3452                 XDestroyWindow(display, sw->indicator);
3453                 XFreeGC(display, sw->gc);
3454                 TAILQ_REMOVE(&search_wl, sw, entry);
3455                 free(sw);
3456         }
3457 }
3458
3459 void
3460 search_win(struct swm_region *r, union arg *args)
3461 {
3462         struct ws_win           *win = NULL;
3463         struct search_window    *sw = NULL;
3464         Window                  w;
3465         XGCValues               gcv;
3466         int                     i;
3467         char                    s[8];
3468         FILE                    *lfile;
3469         size_t                  len;
3470         XRectangle              ibox, lbox;
3471
3472         DNPRINTF(SWM_D_MISC, "search_win\n");
3473
3474         search_r = r;
3475         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3476
3477         spawn_select(r, args, "search", &searchpid);
3478
3479         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3480                 return;
3481
3482         TAILQ_INIT(&search_wl);
3483
3484         i = 1;
3485         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3486                 if (win->iconic == 1)
3487                         continue;
3488
3489                 sw = calloc(1, sizeof(struct search_window));
3490                 if (sw == NULL) {
3491                         warn("search_win: calloc");
3492                         fclose(lfile);
3493                         search_win_cleanup();
3494                         return;
3495                 }
3496                 sw->idx = i;
3497                 sw->win = win;
3498
3499                 snprintf(s, sizeof s, "%d", i);
3500                 len = strlen(s);
3501
3502                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3503
3504                 w = XCreateSimpleWindow(display,
3505                     win->id, 0, 0,lbox.width + 4,
3506                     bar_fs_extents->max_logical_extent.height, 1,
3507                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3508                     r->s->c[SWM_S_COLOR_FOCUS].color);
3509
3510                 sw->indicator = w;
3511                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3512
3513                 sw->gc = XCreateGC(display, w, 0, &gcv);
3514                 XMapRaised(display, w);
3515                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3516
3517                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3518                     (bar_fs_extents->max_logical_extent.height -
3519                     lbox.height) / 2 - lbox.y, s, len);
3520
3521                 fprintf(lfile, "%d\n", i);
3522                 i++;
3523         }
3524
3525         fclose(lfile);
3526 }
3527
3528 void
3529 search_resp_uniconify(char *resp, unsigned long len)
3530 {
3531         unsigned char           *name;
3532         struct ws_win           *win;
3533         char                    *s;
3534
3535         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3536
3537         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3538                 if (win->iconic == 0)
3539                         continue;
3540                 name = get_win_name(win->id);
3541                 if (name == NULL)
3542                         continue;
3543                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3544                         XFree(name);
3545                         continue;
3546                 }
3547                 XFree(name);
3548                 if (strncmp(s, resp, len) == 0) {
3549                         /* XXX this should be a callback to generalize */
3550                         update_iconic(win, 0);
3551                         free(s);
3552                         break;
3553                 }
3554                 free(s);
3555         }
3556 }
3557
3558 void
3559 search_resp_name_workspace(char *resp, unsigned long len)
3560 {
3561         struct workspace        *ws;
3562
3563         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3564
3565         if (search_r->ws == NULL)
3566                 return;
3567         ws = search_r->ws;
3568
3569         if (ws->name) {
3570                 free(search_r->ws->name);
3571                 search_r->ws->name = NULL;
3572         }
3573
3574         if (len > 1) {
3575                 ws->name = strdup(resp);
3576                 if (ws->name == NULL) {
3577                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3578                             "strdup: %s", strerror(errno));
3579                         return;
3580                 }
3581         }
3582 }
3583
3584 void
3585 search_resp_search_workspace(char *resp, unsigned long len)
3586 {
3587         char                    *p, *q;
3588         int                     ws_idx;
3589         const char              *errstr;
3590         union arg               a;
3591
3592         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3593
3594         q = strdup(resp);
3595         if (!q) {
3596                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3597                     strerror(errno));
3598                 return;
3599         }
3600         p = strchr(q, ':');
3601         if (p != NULL)
3602                 *p = '\0';
3603         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3604         if (errstr) {
3605                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3606                     errstr, q);
3607                 free(q);
3608                 return;
3609         }
3610         free(q);
3611         a.id = ws_idx - 1;
3612         switchws(search_r, &a);
3613 }
3614
3615 void
3616 search_resp_search_window(char *resp, unsigned long len)
3617 {
3618         char                    *s;
3619         int                     idx;
3620         const char              *errstr;
3621         struct search_window    *sw;
3622
3623         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3624
3625         s = strdup(resp);
3626         if (!s) {
3627                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3628                     strerror(errno));
3629                 return;
3630         }
3631
3632         idx = strtonum(s, 1, INT_MAX, &errstr);
3633         if (errstr) {
3634                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3635                     errstr, s);
3636                 free(s);
3637                 return;
3638         }
3639         free(s);
3640
3641         TAILQ_FOREACH(sw, &search_wl, entry)
3642                 if (idx == sw->idx) {
3643                         focus_win(sw->win);
3644                         break;
3645                 }
3646 }
3647
3648 #define MAX_RESP_LEN    1024
3649
3650 void
3651 search_do_resp(void)
3652 {
3653         ssize_t                 rbytes;
3654         char                    *resp;
3655         unsigned long           len;
3656
3657         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3658
3659         search_resp = 0;
3660         searchpid = 0;
3661
3662         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3663                 warn("search: calloc");
3664                 goto done;
3665         }
3666
3667         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3668         if (rbytes <= 0) {
3669                 warn("search: read error");
3670                 goto done;
3671         }
3672         resp[rbytes] = '\0';
3673
3674         /* XXX:
3675          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3676          * newline, so work around that by sanitizing the resp now.
3677          */
3678         resp[strcspn(resp, "\n")] = '\0';
3679         len = strlen(resp);
3680
3681         switch (search_resp_action) {
3682         case SWM_SEARCH_UNICONIFY:
3683                 search_resp_uniconify(resp, len);
3684                 break;
3685         case SWM_SEARCH_NAME_WORKSPACE:
3686                 search_resp_name_workspace(resp, len);
3687                 break;
3688         case SWM_SEARCH_SEARCH_WORKSPACE:
3689                 search_resp_search_workspace(resp, len);
3690                 break;
3691         case SWM_SEARCH_SEARCH_WINDOW:
3692                 search_resp_search_window(resp, len);
3693                 break;
3694         }
3695
3696 done:
3697         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3698                 search_win_cleanup();
3699
3700         search_resp_action = SWM_SEARCH_NONE;
3701         close(select_resp_pipe[0]);
3702         free(resp);
3703 }
3704
3705 void
3706 wkill(struct swm_region *r, union arg *args)
3707 {
3708         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3709
3710         if (r->ws->focus == NULL)
3711                 return;
3712
3713         if (args->id == SWM_ARG_ID_KILLWINDOW)
3714                 XKillClient(display, r->ws->focus->id);
3715         else
3716                 if (r->ws->focus->can_delete)
3717                         client_msg(r->ws->focus, adelete);
3718 }
3719
3720
3721 int
3722 floating_toggle_win(struct ws_win *win)
3723 {
3724         struct swm_region       *r;
3725
3726         if (win == NULL)
3727                 return 0;
3728
3729         if (!win->ws->r)
3730                 return 0;
3731
3732         r = win->ws->r;
3733
3734         /* reject floating toggles in max stack mode */
3735         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3736                 return 0;
3737
3738         if (win->floating) {
3739                 if (!win->floatmaxed) {
3740                         /* retain position for refloat */
3741                         store_float_geom(win, r);
3742                 }
3743                 win->floating = 0;
3744         } else {
3745                 if (win->g_floatvalid) {
3746                         /* refloat at last floating relative position */
3747                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3748                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3749                         WIDTH(win) = win->g_float.w;
3750                         HEIGHT(win) = win->g_float.h;
3751                 }
3752                 win->floating = 1;
3753         }
3754
3755         ewmh_update_actions(win);
3756
3757         return 1;
3758 }
3759
3760 void
3761 floating_toggle(struct swm_region *r, union arg *args)
3762 {
3763         struct ws_win           *win = r->ws->focus;
3764         union arg               a;
3765
3766         if (win == NULL)
3767                 return;
3768
3769         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3770             _NET_WM_STATE_TOGGLE);
3771
3772         stack();
3773         if (focus_mode == SWM_FOCUS_DEFAULT)
3774                 drain_enter_notify();
3775
3776         if (win == win->ws->focus) {
3777                 a.id = SWM_ARG_ID_FOCUSCUR;
3778                 focus(win->ws->r, &a);
3779         }
3780 }
3781
3782 void
3783 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3784 {
3785         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3786                 if (resizable)
3787                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3788                 else
3789                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3790         }
3791
3792         if (X(win) < X(r) - border_width) {
3793                 if (resizable)
3794                         WIDTH(win) -= X(r) - X(win) - border_width;
3795
3796                 X(win) = X(r) - border_width;
3797         }
3798
3799         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
3800                 if (resizable)
3801                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
3802                 else
3803                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
3804         }
3805
3806         if (Y(win) < Y(r) - border_width) {
3807                 if (resizable)
3808                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
3809
3810                 Y(win) = Y(r) - border_width;
3811         }
3812
3813         if (WIDTH(win) < 1)
3814                 WIDTH(win) = 1;
3815         if (HEIGHT(win) < 1)
3816                 HEIGHT(win) = 1;
3817 }
3818
3819 void
3820 update_window(struct ws_win *win)
3821 {
3822         unsigned int            mask;
3823         XWindowChanges          wc;
3824
3825         bzero(&wc, sizeof wc);
3826         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
3827         wc.border_width = border_width;
3828         wc.x = X(win);
3829         wc.y = Y(win);
3830         wc.width = WIDTH(win);
3831         wc.height = HEIGHT(win);
3832
3833         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
3834             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3835
3836         XConfigureWindow(display, win->id, mask, &wc);
3837 }
3838
3839 #define SWM_RESIZE_STEPS        (50)
3840
3841 void
3842 resize(struct ws_win *win, union arg *args)
3843 {
3844         XEvent                  ev;
3845         Time                    time = 0;
3846         struct swm_region       *r = NULL;
3847         int                     resize_step = 0;
3848         Window                  rr, cr;
3849         int                     x, y, wx, wy;
3850         unsigned int            mask;
3851         struct swm_geometry     g;
3852         int                     top = 0, left = 0;
3853         int                     dx, dy;
3854         Cursor                  cursor;
3855         unsigned int            shape; /* cursor style */
3856
3857         if (win == NULL)
3858                 return;
3859         r = win->ws->r;
3860
3861         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
3862             "transient: 0x%lx\n", win->id, YESNO(win->floating),
3863             win->transient);
3864
3865         if (!(win->transient != 0 || win->floating != 0))
3866                 return;
3867
3868         /* reject resizes in max mode for floaters (transient ok) */
3869         if (win->floatmaxed)
3870                 return;
3871
3872         win->manual = 1;
3873         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3874             _NET_WM_STATE_ADD);
3875
3876         stack();
3877
3878         switch (args->id) {
3879         case SWM_ARG_ID_WIDTHSHRINK:
3880                 WIDTH(win) -= SWM_RESIZE_STEPS;
3881                 resize_step = 1;
3882                 break;
3883         case SWM_ARG_ID_WIDTHGROW:
3884                 WIDTH(win) += SWM_RESIZE_STEPS;
3885                 resize_step = 1;
3886                 break;
3887         case SWM_ARG_ID_HEIGHTSHRINK:
3888                 HEIGHT(win) -= SWM_RESIZE_STEPS;
3889                 resize_step = 1;
3890                 break;
3891         case SWM_ARG_ID_HEIGHTGROW:
3892                 HEIGHT(win) += SWM_RESIZE_STEPS;
3893                 resize_step = 1;
3894                 break;
3895         default:
3896                 break;
3897         }
3898         if (resize_step) {
3899                 constrain_window(win, r, 1);
3900                 update_window(win);
3901                 store_float_geom(win,r);
3902                 return;
3903         }
3904
3905         if (focus_mode == SWM_FOCUS_DEFAULT)
3906                 drain_enter_notify();
3907
3908         /* get cursor offset from window root */
3909         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
3910             return;
3911
3912         g = win->g;
3913
3914         if (wx < WIDTH(win) / 2)
3915                 left = 1;
3916
3917         if (wy < HEIGHT(win) / 2)
3918                 top = 1;
3919
3920         if (args->id == SWM_ARG_ID_CENTER)
3921                 shape = XC_sizing;
3922         else if (top)
3923                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
3924         else
3925                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
3926
3927         cursor = XCreateFontCursor(display, shape);
3928
3929         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3930             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
3931                 XFreeCursor(display, cursor);
3932                 return;
3933         }
3934
3935         do {
3936                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3937                     SubstructureRedirectMask, &ev);
3938                 switch (ev.type) {
3939                 case ConfigureRequest:
3940                 case Expose:
3941                 case MapRequest:
3942                         handler[ev.type](&ev);
3943                         break;
3944                 case MotionNotify:
3945                         /* cursor offset/delta from start of the operation */
3946                         dx = ev.xmotion.x_root - x;
3947                         dy = ev.xmotion.y_root - y;
3948
3949                         /* vertical */
3950                         if (top)
3951                                 dy = -dy;
3952
3953                         if (args->id == SWM_ARG_ID_CENTER) {
3954                                 if (g.h / 2 + dy < 1)
3955                                         dy = 1 - g.h / 2;
3956
3957                                 Y(win) = g.y - dy;
3958                                 HEIGHT(win) = g.h + 2 * dy;
3959                         } else {
3960                                 if (g.h + dy < 1)
3961                                         dy = 1 - g.h;
3962
3963                                 if (top)
3964                                         Y(win) = g.y - dy;
3965
3966                                 HEIGHT(win) = g.h + dy;
3967                         }
3968
3969                         /* horizontal */
3970                         if (left)
3971                                 dx = -dx;
3972
3973                         if (args->id == SWM_ARG_ID_CENTER) {
3974                                 if (g.w / 2 + dx < 1)
3975                                         dx = 1 - g.w / 2;
3976
3977                                 X(win) = g.x - dx;
3978                                 WIDTH(win) = g.w + 2 * dx;
3979                         } else {
3980                                 if (g.w + dx < 1)
3981                                         dx = 1 - g.w;
3982
3983                                 if (left)
3984                                         X(win) = g.x - dx;
3985
3986                                 WIDTH(win) = g.w + dx;
3987                         }
3988
3989                         constrain_window(win, r, 1);
3990
3991                         /* not free, don't sync more than 120 times / second */
3992                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3993                                 time = ev.xmotion.time;
3994                                 XSync(display, False);
3995                                 update_window(win);
3996                         }
3997                         break;
3998                 }
3999         } while (ev.type != ButtonRelease);
4000         if (time) {
4001                 XSync(display, False);
4002                 update_window(win);
4003         }
4004         store_float_geom(win,r);
4005
4006         XUngrabPointer(display, CurrentTime);
4007         XFreeCursor(display, cursor);
4008
4009         /* drain events */
4010         drain_enter_notify();
4011 }
4012
4013 void
4014 resize_step(struct swm_region *r, union arg *args)
4015 {
4016         struct ws_win           *win = NULL;
4017
4018         if (r && r->ws && r->ws->focus)
4019                 win = r->ws->focus;
4020         else
4021                 return;
4022
4023         resize(win, args);
4024 }
4025
4026 #define SWM_MOVE_STEPS  (50)
4027
4028 void
4029 move(struct ws_win *win, union arg *args)
4030 {
4031         XEvent                  ev;
4032         Time                    time = 0;
4033         int                     move_step = 0;
4034         struct swm_region       *r = NULL;
4035
4036         Window                  rr, cr;
4037         int                     x, y, wx, wy;
4038         unsigned int            mask;
4039
4040         if (win == NULL)
4041                 return;
4042         r = win->ws->r;
4043
4044         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4045             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4046
4047         /* in max_stack mode should only move transients */
4048         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4049                 return;
4050
4051         win->manual = 1;
4052         if (win->floating == 0 && !win->transient) {
4053                 store_float_geom(win,r);
4054                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4055                     _NET_WM_STATE_ADD);
4056         }
4057         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4058             _NET_WM_STATE_ADD);
4059
4060         stack();
4061
4062         move_step = 0;
4063         switch (args->id) {
4064         case SWM_ARG_ID_MOVELEFT:
4065                 X(win) -= (SWM_MOVE_STEPS - border_width);
4066                 move_step = 1;
4067                 break;
4068         case SWM_ARG_ID_MOVERIGHT:
4069                 X(win) += (SWM_MOVE_STEPS - border_width);
4070                 move_step = 1;
4071                 break;
4072         case SWM_ARG_ID_MOVEUP:
4073                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4074                 move_step = 1;
4075                 break;
4076         case SWM_ARG_ID_MOVEDOWN:
4077                 Y(win) += (SWM_MOVE_STEPS - border_width);
4078                 move_step = 1;
4079                 break;
4080         default:
4081                 break;
4082         }
4083         if (move_step) {
4084                 constrain_window(win, r, 0);
4085                 update_window(win);
4086                 store_float_geom(win, r);
4087                 return;
4088         }
4089
4090         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4091             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4092             CurrentTime) != GrabSuccess)
4093                 return;
4094
4095         /* get cursor offset from window root */
4096         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4097             return;
4098
4099         do {
4100                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4101                     SubstructureRedirectMask, &ev);
4102                 switch (ev.type) {
4103                 case ConfigureRequest:
4104                 case Expose:
4105                 case MapRequest:
4106                         handler[ev.type](&ev);
4107                         break;
4108                 case MotionNotify:
4109                         X(win) = ev.xmotion.x_root - wx - border_width;
4110                         Y(win) = ev.xmotion.y_root - wy - border_width;
4111
4112                         constrain_window(win, r, 0);
4113
4114                         /* not free, don't sync more than 120 times / second */
4115                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4116                                 time = ev.xmotion.time;
4117                                 XSync(display, False);
4118                                 update_window(win);
4119                         }
4120                         break;
4121                 }
4122         } while (ev.type != ButtonRelease);
4123         if (time) {
4124                 XSync(display, False);
4125                 update_window(win);
4126         }
4127         store_float_geom(win,r);
4128         XUngrabPointer(display, CurrentTime);
4129
4130         /* drain events */
4131         drain_enter_notify();
4132 }
4133
4134 void
4135 move_step(struct swm_region *r, union arg *args)
4136 {
4137         struct ws_win           *win = NULL;
4138
4139         if (r && r->ws && r->ws->focus)
4140                 win = r->ws->focus;
4141         else
4142                 return;
4143
4144         if (!(win->transient != 0 || win->floating != 0))
4145                 return;
4146
4147         move(win, args);
4148 }
4149
4150
4151 /* user/key callable function IDs */
4152 enum keyfuncid {
4153         kf_cycle_layout,
4154         kf_flip_layout,
4155         kf_stack_reset,
4156         kf_master_shrink,
4157         kf_master_grow,
4158         kf_master_add,
4159         kf_master_del,
4160         kf_stack_inc,
4161         kf_stack_dec,
4162         kf_swap_main,
4163         kf_focus_next,
4164         kf_focus_prev,
4165         kf_swap_next,
4166         kf_swap_prev,
4167         kf_spawn_term,
4168         kf_spawn_menu,
4169         kf_quit,
4170         kf_restart,
4171         kf_focus_main,
4172         kf_ws_1,
4173         kf_ws_2,
4174         kf_ws_3,
4175         kf_ws_4,
4176         kf_ws_5,
4177         kf_ws_6,
4178         kf_ws_7,
4179         kf_ws_8,
4180         kf_ws_9,
4181         kf_ws_10,
4182         kf_ws_next,
4183         kf_ws_prev,
4184         kf_ws_next_all,
4185         kf_ws_prev_all,
4186         kf_ws_prior,
4187         kf_screen_next,
4188         kf_screen_prev,
4189         kf_mvws_1,
4190         kf_mvws_2,
4191         kf_mvws_3,
4192         kf_mvws_4,
4193         kf_mvws_5,
4194         kf_mvws_6,
4195         kf_mvws_7,
4196         kf_mvws_8,
4197         kf_mvws_9,
4198         kf_mvws_10,
4199         kf_bar_toggle,
4200         kf_wind_kill,
4201         kf_wind_del,
4202         kf_screenshot_all,
4203         kf_screenshot_wind,
4204         kf_float_toggle,
4205         kf_version,
4206         kf_spawn_lock,
4207         kf_spawn_initscr,
4208         kf_spawn_custom,
4209         kf_iconify,
4210         kf_uniconify,
4211         kf_raise_toggle,
4212         kf_button2,
4213         kf_width_shrink,
4214         kf_width_grow,
4215         kf_height_shrink,
4216         kf_height_grow,
4217         kf_move_left,
4218         kf_move_right,
4219         kf_move_up,
4220         kf_move_down,
4221         kf_name_workspace,
4222         kf_search_workspace,
4223         kf_search_win,
4224         kf_dumpwins, /* MUST BE LAST */
4225         kf_invalid
4226 };
4227
4228 /* key definitions */
4229 void
4230 dummykeyfunc(struct swm_region *r, union arg *args)
4231 {
4232 };
4233
4234 void
4235 legacyfunc(struct swm_region *r, union arg *args)
4236 {
4237 };
4238
4239 struct keyfunc {
4240         char                    name[SWM_FUNCNAME_LEN];
4241         void                    (*func)(struct swm_region *r, union arg *);
4242         union arg               args;
4243 } keyfuncs[kf_invalid + 1] = {
4244         /* name                 function        argument */
4245         { "cycle_layout",       cycle_layout,   {0} },
4246         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4247         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4248         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4249         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4250         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4251         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4252         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4253         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4254         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4255         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4256         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4257         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4258         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4259         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4260         { "spawn_menu",         legacyfunc,     {0} },
4261         { "quit",               quit,           {0} },
4262         { "restart",            restart,        {0} },
4263         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4264         { "ws_1",               switchws,       {.id = 0} },
4265         { "ws_2",               switchws,       {.id = 1} },
4266         { "ws_3",               switchws,       {.id = 2} },
4267         { "ws_4",               switchws,       {.id = 3} },
4268         { "ws_5",               switchws,       {.id = 4} },
4269         { "ws_6",               switchws,       {.id = 5} },
4270         { "ws_7",               switchws,       {.id = 6} },
4271         { "ws_8",               switchws,       {.id = 7} },
4272         { "ws_9",               switchws,       {.id = 8} },
4273         { "ws_10",              switchws,       {.id = 9} },
4274         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4275         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4276         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4277         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4278         { "ws_prior",           priorws,        {0} },
4279         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4280         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4281         { "mvws_1",             send_to_ws,     {.id = 0} },
4282         { "mvws_2",             send_to_ws,     {.id = 1} },
4283         { "mvws_3",             send_to_ws,     {.id = 2} },
4284         { "mvws_4",             send_to_ws,     {.id = 3} },
4285         { "mvws_5",             send_to_ws,     {.id = 4} },
4286         { "mvws_6",             send_to_ws,     {.id = 5} },
4287         { "mvws_7",             send_to_ws,     {.id = 6} },
4288         { "mvws_8",             send_to_ws,     {.id = 7} },
4289         { "mvws_9",             send_to_ws,     {.id = 8} },
4290         { "mvws_10",            send_to_ws,     {.id = 9} },
4291         { "bar_toggle",         bar_toggle,     {0} },
4292         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4293         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4294         { "screenshot_all",     legacyfunc,     {0} },
4295         { "screenshot_wind",    legacyfunc,     {0} },
4296         { "float_toggle",       floating_toggle,{0} },
4297         { "version",            version,        {0} },
4298         { "spawn_lock",         legacyfunc,     {0} },
4299         { "spawn_initscr",      legacyfunc,     {0} },
4300         { "spawn_custom",       dummykeyfunc,   {0} },
4301         { "iconify",            iconify,        {0} },
4302         { "uniconify",          uniconify,      {0} },
4303         { "raise_toggle",       raise_toggle,   {0} },
4304         { "button2",            pressbutton,    {2} },
4305         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4306         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4307         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4308         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4309         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4310         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4311         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4312         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4313         { "name_workspace",     name_workspace, {0} },
4314         { "search_workspace",   search_workspace,       {0} },
4315         { "search_win",         search_win,     {0} },
4316         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4317         { "invalid key func",   NULL,           {0} },
4318 };
4319 struct key {
4320         TAILQ_ENTRY(key)        entry;
4321         unsigned int            mod;
4322         KeySym                  keysym;
4323         enum keyfuncid          funcid;
4324         char                    *spawn_name;
4325 };
4326 TAILQ_HEAD(key_list, key);
4327 struct key_list                 keys = TAILQ_HEAD_INITIALIZER(keys);
4328
4329 /* mouse */
4330 enum { client_click, root_click };
4331 struct button {
4332         unsigned int            action;
4333         unsigned int            mask;
4334         unsigned int            button;
4335         void                    (*func)(struct ws_win *, union arg *);
4336         union arg               args;
4337 } buttons[] = {
4338           /* action     key             mouse button    func    args */
4339         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4340         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4341         { client_click, MODKEY,         Button1,        move,   {0} },
4342 };
4343
4344 void
4345 update_modkey(unsigned int mod)
4346 {
4347         int                     i;
4348         struct key              *kp;
4349
4350         mod_key = mod;
4351         TAILQ_FOREACH(kp, &keys, entry)
4352                 if (kp->mod & ShiftMask)
4353                         kp->mod = mod | ShiftMask;
4354                 else
4355                         kp->mod = mod;
4356
4357         for (i = 0; i < LENGTH(buttons); i++)
4358                 if (buttons[i].mask & ShiftMask)
4359                         buttons[i].mask = mod | ShiftMask;
4360                 else
4361                         buttons[i].mask = mod;
4362 }
4363
4364 /* spawn */
4365 struct spawn_prog {
4366         TAILQ_ENTRY(spawn_prog) entry;
4367         char                    *name;
4368         int                     argc;
4369         char                    **argv;
4370 };
4371 TAILQ_HEAD(spawn_list, spawn_prog);
4372 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4373
4374 int
4375 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4376     char ***ret_args)
4377 {
4378         struct spawn_prog       *prog = NULL;
4379         int                     i;
4380         char                    *ap, **real_args;
4381
4382         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4383
4384         /* find program */
4385         TAILQ_FOREACH(prog, &spawns, entry) {
4386                 if (!strcasecmp(spawn_name, prog->name))
4387                         break;
4388         }
4389         if (prog == NULL) {
4390                 warnx("spawn_custom: program %s not found", spawn_name);
4391                 return (-1);
4392         }
4393
4394         /* make room for expanded args */
4395         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4396                 err(1, "spawn_custom: calloc real_args");
4397
4398         /* expand spawn_args into real_args */
4399         for (i = 0; i < prog->argc; i++) {
4400                 ap = prog->argv[i];
4401                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4402                 if (!strcasecmp(ap, "$bar_border")) {
4403                         if ((real_args[i] =
4404                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4405                             == NULL)
4406                                 err(1,  "spawn_custom border color");
4407                 } else if (!strcasecmp(ap, "$bar_color")) {
4408                         if ((real_args[i] =
4409                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4410                             == NULL)
4411                                 err(1, "spawn_custom bar color");
4412                 } else if (!strcasecmp(ap, "$bar_font")) {
4413                         if ((real_args[i] = strdup(bar_fonts))
4414                             == NULL)
4415                                 err(1, "spawn_custom bar fonts");
4416                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4417                         if ((real_args[i] =
4418                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4419                             == NULL)
4420                                 err(1, "spawn_custom color font");
4421                 } else if (!strcasecmp(ap, "$color_focus")) {
4422                         if ((real_args[i] =
4423                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4424                             == NULL)
4425                                 err(1, "spawn_custom color focus");
4426                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4427                         if ((real_args[i] =
4428                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4429                             == NULL)
4430                                 err(1, "spawn_custom color unfocus");
4431                 } else {
4432                         /* no match --> copy as is */
4433                         if ((real_args[i] = strdup(ap)) == NULL)
4434                                 err(1, "spawn_custom strdup(ap)");
4435                 }
4436                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4437                     real_args[i]);
4438         }
4439
4440 #ifdef SWM_DEBUG
4441         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4442         for (i = 0; i < prog->argc; i++)
4443                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4444         DNPRINTF(SWM_D_SPAWN, "\n");
4445 #endif
4446         *ret_args = real_args;
4447         return (prog->argc);
4448 }
4449
4450 void
4451 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4452 {
4453         union arg               a;
4454         char                    **real_args;
4455         int                     spawn_argc, i;
4456
4457         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4458                 return;
4459         a.argv = real_args;
4460         if (fork() == 0)
4461                 spawn(r->ws->idx, &a, 1);
4462
4463         for (i = 0; i < spawn_argc; i++)
4464                 free(real_args[i]);
4465         free(real_args);
4466 }
4467
4468 void
4469 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4470 {
4471         union arg               a;
4472         char                    **real_args;
4473         int                     i, spawn_argc;
4474
4475         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4476                 return;
4477         a.argv = real_args;
4478
4479         if (pipe(select_list_pipe) == -1)
4480                 err(1, "pipe error");
4481         if (pipe(select_resp_pipe) == -1)
4482                 err(1, "pipe error");
4483
4484         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4485                 err(1, "could not disable SIGPIPE");
4486         switch (*pid = fork()) {
4487         case -1:
4488                 err(1, "cannot fork");
4489                 break;
4490         case 0: /* child */
4491                 if (dup2(select_list_pipe[0], 0) == -1)
4492                         err(1, "dup2");
4493                 if (dup2(select_resp_pipe[1], 1) == -1)
4494                         err(1, "dup2");
4495                 close(select_list_pipe[1]);
4496                 close(select_resp_pipe[0]);
4497                 spawn(r->ws->idx, &a, 0);
4498                 break;
4499         default: /* parent */
4500                 close(select_list_pipe[0]);
4501                 close(select_resp_pipe[1]);
4502                 break;
4503         }
4504
4505         for (i = 0; i < spawn_argc; i++)
4506                 free(real_args[i]);
4507         free(real_args);
4508 }
4509
4510 void
4511 spawn_insert(char *name, char *args)
4512 {
4513         char                    *arg, *cp, *ptr;
4514         struct spawn_prog       *sp;
4515
4516         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4517
4518         if ((sp = calloc(1, sizeof *sp)) == NULL)
4519                 err(1, "spawn_insert: malloc");
4520         if ((sp->name = strdup(name)) == NULL)
4521                 err(1, "spawn_insert: strdup");
4522
4523         /* convert the arguments to an argument list */
4524         if ((ptr = cp = strdup(args)) == NULL)
4525                 err(1, "spawn_insert: strdup");
4526         while ((arg = strsep(&ptr, " \t")) != NULL) {
4527                 /* empty field; skip it */
4528                 if (*arg == '\0')
4529                         continue;
4530
4531                 sp->argc++;
4532                 if ((sp->argv = realloc(sp->argv, sp->argc *
4533                     sizeof *sp->argv)) == NULL)
4534                         err(1, "spawn_insert: realloc");
4535                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4536                         err(1, "spawn_insert: strdup");
4537         }
4538         free(cp);
4539
4540         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4541         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4542 }
4543
4544 void
4545 spawn_remove(struct spawn_prog *sp)
4546 {
4547         int                     i;
4548
4549         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4550
4551         TAILQ_REMOVE(&spawns, sp, entry);
4552         for (i = 0; i < sp->argc; i++)
4553                 free(sp->argv[i]);
4554         free(sp->argv);
4555         free(sp->name);
4556         free(sp);
4557
4558         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4559 }
4560
4561 void
4562 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4563 {
4564         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4565
4566         spawn_remove(sp);
4567         spawn_insert(name, args);
4568
4569         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4570 }
4571
4572 void
4573 setspawn(char *name, char *args)
4574 {
4575         struct spawn_prog       *sp;
4576
4577         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4578
4579         if (name == NULL)
4580                 return;
4581
4582         TAILQ_FOREACH(sp, &spawns, entry) {
4583                 if (!strcmp(sp->name, name)) {
4584                         if (*args == '\0')
4585                                 spawn_remove(sp);
4586                         else
4587                                 spawn_replace(sp, name, args);
4588                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4589                         return;
4590                 }
4591         }
4592         if (*args == '\0') {
4593                 warnx("error: setspawn: cannot find program: %s", name);
4594                 return;
4595         }
4596
4597         spawn_insert(name, args);
4598         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4599 }
4600
4601 int
4602 setconfspawn(char *selector, char *value, int flags)
4603 {
4604         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4605
4606         setspawn(selector, value);
4607
4608         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4609         return (0);
4610 }
4611
4612 void
4613 setup_spawn(void)
4614 {
4615         setconfspawn("term",            "xterm",                0);
4616         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4617         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4618         setconfspawn("lock",            "xlock",                0);
4619         setconfspawn("initscr",         "initscreen.sh",        0);
4620         setconfspawn("menu",            "dmenu_run"
4621                                         " -fn $bar_font"
4622                                         " -nb $bar_color"
4623                                         " -nf $bar_font_color"
4624                                         " -sb $bar_border"
4625                                         " -sf $bar_color",      0);
4626         setconfspawn("search",          "dmenu"
4627                                         " -i"
4628                                         " -fn $bar_font"
4629                                         " -nb $bar_color"
4630                                         " -nf $bar_font_color"
4631                                         " -sb $bar_border"
4632                                         " -sf $bar_color",      0);
4633         setconfspawn("name_workspace",  "dmenu"
4634                                         " -p Workspace"
4635                                         " -fn $bar_font"
4636                                         " -nb $bar_color"
4637                                         " -nf $bar_font_color"
4638                                         " -sb $bar_border"
4639                                         " -sf $bar_color",      0);
4640 }
4641
4642 /* key bindings */
4643 #define SWM_MODNAME_SIZE        32
4644 #define SWM_KEY_WS              "\n+ \t"
4645 int
4646 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4647 {
4648         char                    *cp, *name;
4649         KeySym                  uks;
4650         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4651         if (mod == NULL || ks == NULL) {
4652                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4653                 return (1);
4654         }
4655         if (keystr == NULL || strlen(keystr) == 0) {
4656                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4657                 return (1);
4658         }
4659         cp = keystr;
4660         *ks = NoSymbol;
4661         *mod = 0;
4662         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4663                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4664                 if (cp)
4665                         cp += (long)strspn(cp, SWM_KEY_WS);
4666                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4667                         *mod |= currmod;
4668                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4669                         *mod |= Mod1Mask;
4670                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4671                         *mod += Mod2Mask;
4672                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4673                         *mod |= Mod3Mask;
4674                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4675                         *mod |= Mod4Mask;
4676                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4677                         *mod |= ShiftMask;
4678                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4679                         *mod |= ControlMask;
4680                 else {
4681                         *ks = XStringToKeysym(name);
4682                         XConvertCase(*ks, ks, &uks);
4683                         if (ks == NoSymbol) {
4684                                 DNPRINTF(SWM_D_KEY,
4685                                     "parsekeys: invalid key %s\n",
4686                                     name);
4687                                 return (1);
4688                         }
4689                 }
4690         }
4691         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4692         return (0);
4693 }
4694
4695 char *
4696 strdupsafe(char *str)
4697 {
4698         if (str == NULL)
4699                 return (NULL);
4700         else
4701                 return (strdup(str));
4702 }
4703
4704 void
4705 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4706 {
4707         struct key              *kp;
4708
4709         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
4710             keyfuncs[kfid].name, spawn_name);
4711
4712         if ((kp = malloc(sizeof *kp)) == NULL)
4713                 err(1, "key_insert: malloc");
4714
4715         kp->mod = mod;
4716         kp->keysym = ks;
4717         kp->funcid = kfid;
4718         kp->spawn_name = strdupsafe(spawn_name);
4719         TAILQ_INSERT_TAIL(&keys, kp, entry);
4720
4721         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
4722 }
4723
4724 void
4725 key_remove(struct key *kp)
4726 {
4727         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
4728
4729         TAILQ_REMOVE(&keys, kp, entry);
4730         free(kp->spawn_name);
4731         free(kp);
4732
4733         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
4734 }
4735
4736 void
4737 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
4738     char *spawn_name)
4739 {
4740         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
4741             spawn_name);
4742
4743         key_remove(kp);
4744         key_insert(mod, ks, kfid, spawn_name);
4745
4746         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
4747 }
4748
4749 void
4750 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4751     char *spawn_name)
4752 {
4753         struct key              *kp;
4754
4755         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4756             keyfuncs[kfid].name, spawn_name);
4757
4758         TAILQ_FOREACH(kp, &keys, entry) {
4759                 if (kp->mod == mod && kp->keysym == ks) {
4760                         if (kfid == kf_invalid)
4761                                 key_remove(kp);
4762                         else
4763                                 key_replace(kp, mod, ks, kfid, spawn_name);
4764                         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4765                         return;
4766                 }
4767         }
4768         if (kfid == kf_invalid) {
4769                 warnx("error: setkeybinding: cannot find mod/key combination");
4770                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4771                 return;
4772         }
4773
4774         key_insert(mod, ks, kfid, spawn_name);
4775         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4776 }
4777
4778 int
4779 setconfbinding(char *selector, char *value, int flags)
4780 {
4781         enum keyfuncid          kfid;
4782         unsigned int            mod;
4783         KeySym                  ks;
4784         struct spawn_prog       *sp;
4785         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4786         if (selector == NULL) {
4787                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4788                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4789                         kfid = kf_invalid;
4790                         setkeybinding(mod, ks, kfid, NULL);
4791                         return (0);
4792                 } else
4793                         return (1);
4794         }
4795         /* search by key function name */
4796         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4797                 if (strncasecmp(selector, keyfuncs[kfid].name,
4798                     SWM_FUNCNAME_LEN) == 0) {
4799                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4800                             selector);
4801                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4802                                 setkeybinding(mod, ks, kfid, NULL);
4803                                 return (0);
4804                         } else
4805                                 return (1);
4806                 }
4807         }
4808         /* search by custom spawn name */
4809         TAILQ_FOREACH(sp, &spawns, entry) {
4810                 if (strcasecmp(selector, sp->name) == 0) {
4811                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4812                             selector);
4813                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4814                                 setkeybinding(mod, ks, kf_spawn_custom,
4815                                     sp->name);
4816                                 return (0);
4817                         } else
4818                                 return (1);
4819                 }
4820         }
4821         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4822         return (1);
4823 }
4824
4825 void
4826 setup_keys(void)
4827 {
4828         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4829         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
4830         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4831         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4832         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4833         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4834         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4835         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4836         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4837         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4838         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4839         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4840         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4841         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4842         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4843         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4844         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4845         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4846         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4847         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4848         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4849         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4850         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4851         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4852         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4853         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4854         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4855         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4856         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4857         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4858         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4859         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4860         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4861         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4862         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4863         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4864         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4865         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4866         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4867         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4868         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4869         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4870         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4871         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4872         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4873         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4874         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4875         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4876         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4877         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4878         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4879         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4880         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4881         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4882         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4883         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4884         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4885         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4886         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4887         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4888         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4889         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4890         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4891         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4892         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4893         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4894         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4895         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4896         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4897         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4898         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4899         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4900 #ifdef SWM_DEBUG
4901         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4902 #endif
4903 }
4904
4905 void
4906 clear_keys(void)
4907 {
4908         struct key              *kp_loop, *kp_next;
4909
4910         kp_loop = TAILQ_FIRST(&keys);
4911         while (kp_loop != NULL) {
4912                 kp_next = TAILQ_NEXT(kp_loop, entry);
4913                 key_remove(kp_loop);
4914                 kp_loop = kp_next;
4915         }
4916 }
4917
4918 int
4919 setkeymapping(char *selector, char *value, int flags)
4920 {
4921         char                    keymapping_file[PATH_MAX];
4922         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4923         if (value[0] == '~')
4924                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4925                     pwd->pw_dir, &value[1]);
4926         else
4927                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4928         clear_keys();
4929         /* load new key bindings; if it fails, revert to default bindings */
4930         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4931                 clear_keys();
4932                 setup_keys();
4933         }
4934         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4935         return (0);
4936 }
4937
4938 void
4939 updatenumlockmask(void)
4940 {
4941         unsigned int            i, j;
4942         XModifierKeymap         *modmap;
4943
4944         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4945         numlockmask = 0;
4946         modmap = XGetModifierMapping(display);
4947         for (i = 0; i < 8; i++)
4948                 for (j = 0; j < modmap->max_keypermod; j++)
4949                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4950                             == XKeysymToKeycode(display, XK_Num_Lock))
4951                                 numlockmask = (1 << i);
4952
4953         XFreeModifiermap(modmap);
4954 }
4955
4956 void
4957 grabkeys(void)
4958 {
4959         unsigned int            j, k;
4960         KeyCode                 code;
4961         unsigned int            modifiers[] =
4962             { 0, LockMask, numlockmask, numlockmask | LockMask };
4963         struct key              *kp;
4964
4965         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4966         updatenumlockmask();
4967
4968         for (k = 0; k < ScreenCount(display); k++) {
4969                 if (TAILQ_EMPTY(&screens[k].rl))
4970                         continue;
4971                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4972                 TAILQ_FOREACH(kp, &keys, entry) {
4973                         if ((code = XKeysymToKeycode(display, kp->keysym)))
4974                                 for (j = 0; j < LENGTH(modifiers); j++)
4975                                         XGrabKey(display, code,
4976                                             kp->mod | modifiers[j],
4977                                             screens[k].root, True,
4978                                             GrabModeAsync, GrabModeAsync);
4979                 }
4980         }
4981 }
4982
4983 void
4984 grabbuttons(struct ws_win *win, int focused)
4985 {
4986         unsigned int            i, j;
4987         unsigned int            modifiers[] =
4988             { 0, LockMask, numlockmask, numlockmask|LockMask };
4989
4990         updatenumlockmask();
4991         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4992         if (focused) {
4993                 for (i = 0; i < LENGTH(buttons); i++)
4994                         if (buttons[i].action == client_click)
4995                                 for (j = 0; j < LENGTH(modifiers); j++)
4996                                         XGrabButton(display, buttons[i].button,
4997                                             buttons[i].mask | modifiers[j],
4998                                             win->id, False, BUTTONMASK,
4999                                             GrabModeAsync, GrabModeSync, None,
5000                                             None);
5001         } else
5002                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5003                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5004 }
5005
5006 const char *quirkname[] = {
5007         "NONE",         /* config string for "no value" */
5008         "FLOAT",
5009         "TRANSSZ",
5010         "ANYWHERE",
5011         "XTERM_FONTADJ",
5012         "FULLSCREEN",
5013         "FOCUSPREV",
5014 };
5015
5016 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5017 #define SWM_Q_WS                "\n|+ \t"
5018 int
5019 parsequirks(char *qstr, unsigned long *quirk)
5020 {
5021         char                    *cp, *name;
5022         int                     i;
5023
5024         if (quirk == NULL)
5025                 return (1);
5026
5027         cp = qstr;
5028         *quirk = 0;
5029         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5030                 if (cp)
5031                         cp += (long)strspn(cp, SWM_Q_WS);
5032                 for (i = 0; i < LENGTH(quirkname); i++) {
5033                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5034                                 DNPRINTF(SWM_D_QUIRK,
5035                                     "parsequirks: %s\n", name);
5036                                 if (i == 0) {
5037                                         *quirk = 0;
5038                                         return (0);
5039                                 }
5040                                 *quirk |= 1 << (i-1);
5041                                 break;
5042                         }
5043                 }
5044                 if (i >= LENGTH(quirkname)) {
5045                         DNPRINTF(SWM_D_QUIRK,
5046                             "parsequirks: invalid quirk [%s]\n", name);
5047                         return (1);
5048                 }
5049         }
5050         return (0);
5051 }
5052
5053 void
5054 quirk_insert(const char *class, const char *name, unsigned long quirk)
5055 {
5056         struct quirk            *qp;
5057
5058         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5059             quirk);
5060
5061         if ((qp = malloc(sizeof *qp)) == NULL)
5062                 err(1, "quirk_insert: malloc");
5063         if ((qp->class = strdup(class)) == NULL)
5064                 err(1, "quirk_insert: strdup");
5065         if ((qp->name = strdup(name)) == NULL)
5066                 err(1, "quirk_insert: strdup");
5067
5068         qp->quirk = quirk;
5069         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5070
5071         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5072 }
5073
5074 void
5075 quirk_remove(struct quirk *qp)
5076 {
5077         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5078             qp->name, qp->quirk);
5079
5080         TAILQ_REMOVE(&quirks, qp, entry);
5081         free(qp->class);
5082         free(qp->name);
5083         free(qp);
5084
5085         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5086 }
5087
5088 void
5089 quirk_replace(struct quirk *qp, const char *class, const char *name,
5090     unsigned long quirk)
5091 {
5092         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5093             qp->name, qp->quirk);
5094
5095         quirk_remove(qp);
5096         quirk_insert(class, name, quirk);
5097
5098         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5099 }
5100
5101 void
5102 setquirk(const char *class, const char *name, unsigned long quirk)
5103 {
5104         struct quirk            *qp;
5105
5106         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5107            quirk);
5108
5109         TAILQ_FOREACH(qp, &quirks, entry) {
5110                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5111                         if (!quirk)
5112                                 quirk_remove(qp);
5113                         else
5114                                 quirk_replace(qp, class, name, quirk);
5115                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5116                         return;
5117                 }
5118         }
5119         if (!quirk) {
5120                 warnx("error: setquirk: cannot find class/name combination");
5121                 return;
5122         }
5123
5124         quirk_insert(class, name, quirk);
5125         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5126 }
5127
5128 int
5129 setconfquirk(char *selector, char *value, int flags)
5130 {
5131         char                    *cp, *class, *name;
5132         int                     retval;
5133         unsigned long           quirks;
5134         if (selector == NULL)
5135                 return (0);
5136         if ((cp = strchr(selector, ':')) == NULL)
5137                 return (0);
5138         *cp = '\0';
5139         class = selector;
5140         name = cp + 1;
5141         if ((retval = parsequirks(value, &quirks)) == 0)
5142                 setquirk(class, name, quirks);
5143         return (retval);
5144 }
5145
5146 void
5147 setup_quirks(void)
5148 {
5149         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5150         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5151         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5152         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5153         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5154         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5155         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5156         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5157         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5158         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5159         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5160         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5161         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5162 }
5163
5164 /* conf file stuff */
5165 #define SWM_CONF_FILE   "scrotwm.conf"
5166
5167 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5168           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5169           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5170           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5171           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5172           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5173           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5174           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5175           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5176         };
5177
5178 int
5179 setconfvalue(char *selector, char *value, int flags)
5180 {
5181         int     i;
5182         char    *b;
5183
5184         switch (flags) {
5185         case SWM_S_BAR_DELAY:
5186                 bar_delay = atoi(value);
5187                 break;
5188         case SWM_S_BAR_ENABLED:
5189                 bar_enabled = atoi(value);
5190                 break;
5191         case SWM_S_BAR_BORDER_WIDTH:
5192                 bar_border_width = atoi(value);
5193                 break;
5194         case SWM_S_BAR_AT_BOTTOM:
5195                 bar_at_bottom = atoi(value);
5196                 break;
5197         case SWM_S_BAR_JUSTIFY:
5198                 if (!strcmp(value, "left"))
5199                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5200                 else if (!strcmp(value, "center"))
5201                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5202                 else if (!strcmp(value, "right"))
5203                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5204                 else
5205                         errx(1, "invalid bar_justify");
5206                 break;
5207         case SWM_S_STACK_ENABLED:
5208                 stack_enabled = atoi(value);
5209                 break;
5210         case SWM_S_CLOCK_ENABLED:
5211                 clock_enabled = atoi(value);
5212                 break;
5213         case SWM_S_CLOCK_FORMAT:
5214 #ifndef SWM_DENY_CLOCK_FORMAT
5215                 free(clock_format);
5216                 if ((clock_format = strdup(value)) == NULL)
5217                         err(1, "setconfvalue: clock_format");
5218 #endif
5219                 break;
5220         case SWM_S_CYCLE_EMPTY:
5221                 cycle_empty = atoi(value);
5222                 break;
5223         case SWM_S_CYCLE_VISIBLE:
5224                 cycle_visible = atoi(value);
5225                 break;
5226         case SWM_S_SS_ENABLED:
5227                 ss_enabled = atoi(value);
5228                 break;
5229         case SWM_S_TERM_WIDTH:
5230                 term_width = atoi(value);
5231                 break;
5232         case SWM_S_TITLE_CLASS_ENABLED:
5233                 title_class_enabled = atoi(value);
5234                 break;
5235         case SWM_S_WINDOW_NAME_ENABLED:
5236                 window_name_enabled = atoi(value);
5237                 break;
5238         case SWM_S_TITLE_NAME_ENABLED:
5239                 title_name_enabled = atoi(value);
5240                 break;
5241         case SWM_S_URGENT_ENABLED:
5242                 urgent_enabled = atoi(value);
5243                 break;
5244         case SWM_S_FOCUS_MODE:
5245                 if (!strcmp(value, "default"))
5246                         focus_mode = SWM_FOCUS_DEFAULT;
5247                 else if (!strcmp(value, "follow_cursor"))
5248                         focus_mode = SWM_FOCUS_FOLLOW;
5249                 else if (!strcmp(value, "synergy"))
5250                         focus_mode = SWM_FOCUS_SYNERGY;
5251                 else
5252                         errx(1, "focus_mode");
5253                 break;
5254         case SWM_S_DISABLE_BORDER:
5255                 disable_border = atoi(value);
5256                 break;
5257         case SWM_S_BORDER_WIDTH:
5258                 border_width = atoi(value);
5259                 break;
5260         case SWM_S_BAR_FONT:
5261                 b = bar_fonts;
5262                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5263                         err(1, "setconfvalue: asprintf: failed to allocate "
5264                                 "memory for bar_fonts.");
5265
5266                 free(b);
5267                 break;
5268         case SWM_S_BAR_ACTION:
5269                 free(bar_argv[0]);
5270                 if ((bar_argv[0] = strdup(value)) == NULL)
5271                         err(1, "setconfvalue: bar_action");
5272                 break;
5273         case SWM_S_SPAWN_TERM:
5274                 free(spawn_term[0]);
5275                 if ((spawn_term[0] = strdup(value)) == NULL)
5276                         err(1, "setconfvalue: spawn_term");
5277                 break;
5278         case SWM_S_SS_APP:
5279                 break;
5280         case SWM_S_DIALOG_RATIO:
5281                 dialog_ratio = atof(value);
5282                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5283                         dialog_ratio = .6;
5284                 break;
5285         case SWM_S_VERBOSE_LAYOUT:
5286                 verbose_layout = atoi(value);
5287                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5288                         if (verbose_layout)
5289                                 layouts[i].l_string = fancy_stacker;
5290                         else
5291                                 layouts[i].l_string = plain_stacker;
5292                 }
5293                 break;
5294         default:
5295                 return (1);
5296         }
5297         return (0);
5298 }
5299
5300 int
5301 setconfmodkey(char *selector, char *value, int flags)
5302 {
5303         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5304                 update_modkey(Mod1Mask);
5305         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5306                 update_modkey(Mod2Mask);
5307         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5308                 update_modkey(Mod3Mask);
5309         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5310                 update_modkey(Mod4Mask);
5311         else
5312                 return (1);
5313         return (0);
5314 }
5315
5316 int
5317 setconfcolor(char *selector, char *value, int flags)
5318 {
5319         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5320         return (0);
5321 }
5322
5323 int
5324 setconfregion(char *selector, char *value, int flags)
5325 {
5326         custom_region(value);
5327         return (0);
5328 }
5329
5330 int
5331 setautorun(char *selector, char *value, int flags)
5332 {
5333         int                     ws_id;
5334         char                    s[1024];
5335         char                    *ap, *sp = s;
5336         union arg               a;
5337         int                     argc = 0;
5338         long                    pid;
5339         struct pid_e            *p;
5340
5341         if (getenv("SWM_STARTED"))
5342                 return (0);
5343
5344         bzero(s, sizeof s);
5345         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5346                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5347         ws_id--;
5348         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5349                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5350
5351         /*
5352          * This is a little intricate
5353          *
5354          * If the pid already exists we simply reuse it because it means it was
5355          * used before AND not claimed by manage_window.  We get away with
5356          * altering it in the parent after INSERT because this can not be a race
5357          */
5358         a.argv = NULL;
5359         while ((ap = strsep(&sp, " \t")) != NULL) {
5360                 if (*ap == '\0')
5361                         continue;
5362                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5363                 argc++;
5364                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5365                         err(1, "setautorun: realloc");
5366                 a.argv[argc - 1] = ap;
5367         }
5368
5369         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5370                 err(1, "setautorun: realloc");
5371         a.argv[argc] = NULL;
5372
5373         if ((pid = fork()) == 0) {
5374                 spawn(ws_id, &a, 1);
5375                 /* NOTREACHED */
5376                 _exit(1);
5377         }
5378         free(a.argv);
5379
5380         /* parent */
5381         p = find_pid(pid);
5382         if (p == NULL) {
5383                 p = calloc(1, sizeof *p);
5384                 if (p == NULL)
5385                         return (1);
5386                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5387         }
5388
5389         p->pid = pid;
5390         p->ws = ws_id;
5391
5392         return (0);
5393 }
5394
5395 int
5396 setlayout(char *selector, char *value, int flags)
5397 {
5398         int                     ws_id, i, x, mg, ma, si, raise;
5399         int                     st = SWM_V_STACK;
5400         char                    s[1024];
5401         struct workspace        *ws;
5402
5403         if (getenv("SWM_STARTED"))
5404                 return (0);
5405
5406         bzero(s, sizeof s);
5407         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5408             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5409                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5410                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5411                     "<type>'");
5412         ws_id--;
5413         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5414                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5415
5416         if (!strcasecmp(s, "vertical"))
5417                 st = SWM_V_STACK;
5418         else if (!strcasecmp(s, "horizontal"))
5419                 st = SWM_H_STACK;
5420         else if (!strcasecmp(s, "fullscreen"))
5421                 st = SWM_MAX_STACK;
5422         else
5423                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5424                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5425                     "<type>'");
5426
5427         for (i = 0; i < ScreenCount(display); i++) {
5428                 ws = (struct workspace *)&screens[i].ws;
5429                 ws[ws_id].cur_layout = &layouts[st];
5430
5431                 ws[ws_id].always_raise = raise;
5432                 if (st == SWM_MAX_STACK)
5433                         continue;
5434
5435                 /* master grow */
5436                 for (x = 0; x < abs(mg); x++) {
5437                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5438                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5439                             SWM_ARG_ID_MASTERSHRINK);
5440                         stack();
5441                 }
5442                 /* master add */
5443                 for (x = 0; x < abs(ma); x++) {
5444                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5445                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5446                             SWM_ARG_ID_MASTERDEL);
5447                         stack();
5448                 }
5449                 /* stack inc */
5450                 for (x = 0; x < abs(si); x++) {
5451                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5452                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5453                             SWM_ARG_ID_STACKDEC);
5454                         stack();
5455                 }
5456         }
5457
5458         return (0);
5459 }
5460
5461 /* config options */
5462 struct config_option {
5463         char                    *optname;
5464         int                     (*func)(char*, char*, int);
5465         int                     funcflags;
5466 };
5467 struct config_option configopt[] = {
5468         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5469         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5470         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5471         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5472         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5473         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5474         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5475         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5476         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5477         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5478         { "keyboard_mapping",           setkeymapping,  0 },
5479         { "bind",                       setconfbinding, 0 },
5480         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5481         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5482         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5483         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5484         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5485         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5486         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5487         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5488         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5489         { "modkey",                     setconfmodkey,  0 },
5490         { "program",                    setconfspawn,   0 },
5491         { "quirk",                      setconfquirk,   0 },
5492         { "region",                     setconfregion,  0 },
5493         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5494         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5495         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5496         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5497         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5498         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5499         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5500         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5501         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5502         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5503         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5504         { "autorun",                    setautorun,     0 },
5505         { "layout",                     setlayout,      0 },
5506 };
5507
5508
5509 int
5510 conf_load(char *filename, int keymapping)
5511 {
5512         FILE                    *config;
5513         char                    *line, *cp, *optsub, *optval;
5514         size_t                  linelen, lineno = 0;
5515         int                     wordlen, i, optind;
5516         struct config_option    *opt;
5517
5518         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5519
5520         if (filename == NULL) {
5521                 warnx("conf_load: no filename");
5522                 return (1);
5523         }
5524         if ((config = fopen(filename, "r")) == NULL) {
5525                 warn("conf_load: fopen: %s", filename);
5526                 return (1);
5527         }
5528
5529         while (!feof(config)) {
5530                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5531                     == NULL) {
5532                         if (ferror(config))
5533                                 err(1, "%s", filename);
5534                         else
5535                                 continue;
5536                 }
5537                 cp = line;
5538                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5539                 if (cp[0] == '\0') {
5540                         /* empty line */
5541                         free(line);
5542                         continue;
5543                 }
5544                 /* get config option */
5545                 wordlen = strcspn(cp, "=[ \t\n");
5546                 if (wordlen == 0) {
5547                         warnx("%s: line %zd: no option found",
5548                             filename, lineno);
5549                         goto out;
5550                 }
5551                 optind = -1;
5552                 for (i = 0; i < LENGTH(configopt); i++) {
5553                         opt = &configopt[i];
5554                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5555                             strlen(opt->optname) == wordlen) {
5556                                 optind = i;
5557                                 break;
5558                         }
5559                 }
5560                 if (optind == -1) {
5561                         warnx("%s: line %zd: unknown option %.*s",
5562                             filename, lineno, wordlen, cp);
5563                         goto out;
5564                 }
5565                 if (keymapping && strcmp(opt->optname, "bind")) {
5566                         warnx("%s: line %zd: invalid option %.*s",
5567                             filename, lineno, wordlen, cp);
5568                         goto out;
5569                 }
5570                 cp += wordlen;
5571                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5572                 /* get [selector] if any */
5573                 optsub = NULL;
5574                 if (*cp == '[') {
5575                         cp++;
5576                         wordlen = strcspn(cp, "]");
5577                         if (*cp != ']') {
5578                                 if (wordlen == 0) {
5579                                         warnx("%s: line %zd: syntax error",
5580                                             filename, lineno);
5581                                         goto out;
5582                                 }
5583
5584                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5585                                     -1) {
5586                                         warnx("%s: line %zd: unable to allocate"
5587                                             "memory for selector", filename,
5588                                             lineno);
5589                                         goto out;
5590                                 }
5591                         }
5592                         cp += wordlen;
5593                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5594                 }
5595                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5596                 /* get RHS value */
5597                 optval = strdup(cp);
5598                 /* call function to deal with it all */
5599                 if (configopt[optind].func(optsub, optval,
5600                     configopt[optind].funcflags) != 0)
5601                         errx(1, "%s: line %zd: invalid data for %s",
5602                             filename, lineno, configopt[optind].optname);
5603                 free(optval);
5604                 free(optsub);
5605                 free(line);
5606         }
5607
5608         fclose(config);
5609         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5610
5611         return (0);
5612
5613 out:
5614         free(line);
5615         fclose(config);
5616         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
5617
5618         return (1);
5619 }
5620
5621 void
5622 set_child_transient(struct ws_win *win, Window *trans)
5623 {
5624         struct ws_win           *parent, *w;
5625         XWMHints                *wmh = NULL;
5626         struct swm_region       *r;
5627         struct workspace        *ws;
5628
5629         parent = find_window(win->transient);
5630         if (parent)
5631                 parent->child_trans = win;
5632         else {
5633                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5634                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5635
5636                 if (win->hints == NULL) {
5637                         warnx("no hints for 0x%lx", win->id);
5638                         return;
5639                 }
5640
5641                 r = root_to_region(win->wa.root);
5642                 ws = r->ws;
5643                 /* parent doen't exist in our window list */
5644                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5645                         if (wmh)
5646                                 XFree(wmh);
5647
5648                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5649                                 warnx("can't get hints for 0x%lx", w->id);
5650                                 continue;
5651                         }
5652
5653                         if (win->hints->window_group != wmh->window_group)
5654                                 continue;
5655
5656                         w->child_trans = win;
5657                         win->transient = w->id;
5658                         *trans = w->id;
5659                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5660                             "transient to 0x%lx\n", win->transient);
5661                         break;
5662                 }
5663         }
5664
5665         if (wmh)
5666                 XFree(wmh);
5667 }
5668
5669 long
5670 window_get_pid(Window win)
5671 {
5672         Atom                    actual_type_return;
5673         int                     actual_format_return = 0;
5674         unsigned long           nitems_return = 0;
5675         unsigned long           bytes_after_return = 0;
5676         long                    *pid = NULL;
5677         long                    ret = 0;
5678         const char              *errstr;
5679         unsigned char           *prop = NULL;
5680
5681         if (XGetWindowProperty(display, win,
5682             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5683             XA_CARDINAL, &actual_type_return, &actual_format_return,
5684             &nitems_return, &bytes_after_return,
5685             (unsigned char**)(void*)&pid) != Success)
5686                 goto tryharder;
5687         if (actual_type_return != XA_CARDINAL)
5688                 goto tryharder;
5689         if (pid == NULL)
5690                 goto tryharder;
5691
5692         ret = *pid;
5693         XFree(pid);
5694
5695         return (ret);
5696
5697 tryharder:
5698         if (XGetWindowProperty(display, win,
5699             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5700             XA_STRING, &actual_type_return, &actual_format_return,
5701             &nitems_return, &bytes_after_return, &prop) != Success)
5702                 return (0);
5703         if (actual_type_return != XA_STRING)
5704                 return (0);
5705         if (prop == NULL)
5706                 return (0);
5707
5708         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5709         /* ignore error because strtonum returns 0 anyway */
5710         XFree(prop);
5711
5712         return (ret);
5713 }
5714
5715 struct ws_win *
5716 manage_window(Window id)
5717 {
5718         Window                  trans = 0;
5719         struct workspace        *ws;
5720         struct ws_win           *win, *ww;
5721         int                     format, i, ws_idx, n, border_me = 0;
5722         unsigned long           nitems, bytes;
5723         Atom                    ws_idx_atom = 0, type;
5724         Atom                    *prot = NULL, *pp;
5725         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5726         struct swm_region       *r;
5727         long                    mask;
5728         const char              *errstr;
5729         XWindowChanges          wc;
5730         struct pid_e            *p;
5731         struct quirk            *qp;
5732
5733         if ((win = find_window(id)) != NULL)
5734                 return (win);   /* already being managed */
5735
5736         /* see if we are on the unmanaged list */
5737         if ((win = find_unmanaged_window(id)) != NULL) {
5738                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
5739                     "window: 0x%lx\n", win->id);
5740                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5741                 if (win->transient) {
5742                         set_child_transient(win, &trans);
5743                 } if (trans && (ww = find_window(trans)))
5744                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5745                 else
5746                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5747                 ewmh_update_actions(win);
5748                 return (win);
5749         }
5750
5751         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5752                 err(1, "manage_window: calloc: failed to allocate memory for "
5753                     "new window");
5754
5755         win->id = id;
5756
5757         /* see if we need to override the workspace */
5758         p = find_pid(window_get_pid(id));
5759
5760         /* Get all the window data in one shot */
5761         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5762         if (ws_idx_atom) {
5763                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5764                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5765         }
5766         XGetWindowAttributes(display, id, &win->wa);
5767         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
5768         win->hints = XGetWMHints(display, id);
5769         XGetTransientForHint(display, id, &trans);
5770         if (trans) {
5771                 win->transient = trans;
5772                 set_child_transient(win, &trans);
5773                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
5774                     "transient: 0x%lx\n", win->id, win->transient);
5775         }
5776
5777         /* get supported protocols */
5778         if (XGetWMProtocols(display, id, &prot, &n)) {
5779                 for (i = 0, pp = prot; i < n; i++, pp++) {
5780                         if (*pp == takefocus)
5781                                 win->take_focus = 1;
5782                         if (*pp == adelete)
5783                                 win->can_delete = 1;
5784                 }
5785                 if (prot)
5786                         XFree(prot);
5787         }
5788
5789         win->iconic = get_iconic(win);
5790
5791         /*
5792          * Figure out where to put the window. If it was previously assigned to
5793          * a workspace (either by spawn() or manually moving), and isn't
5794          * transient, * put it in the same workspace
5795          */
5796         r = root_to_region(win->wa.root);
5797         if (p) {
5798                 ws = &r->s->ws[p->ws];
5799                 TAILQ_REMOVE(&pidlist, p, entry);
5800                 free(p);
5801                 p = NULL;
5802         } else if (prop && win->transient == 0) {
5803                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
5804                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5805                 if (errstr) {
5806                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
5807                             errstr, prop);
5808                 }
5809                 ws = &r->s->ws[ws_idx];
5810         } else {
5811                 ws = r->ws;
5812                 /* this should launch transients in the same ws as parent */
5813                 if (id && trans)
5814                         if ((ww = find_window(trans)) != NULL)
5815                                 if (ws->r) {
5816                                         ws = ww->ws;
5817                                         if (ww->ws->r)
5818                                                 r = ww->ws->r;
5819                                         else
5820                                                 warnx("manage_window: fix this "
5821                                                     "bug mcbride");
5822                                         border_me = 1;
5823                                 }
5824         }
5825
5826         /* set up the window layout */
5827         win->id = id;
5828         win->ws = ws;
5829         win->s = r->s;  /* this never changes */
5830         if (trans && (ww = find_window(trans)))
5831                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5832         else
5833                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5834
5835         WIDTH(win) = win->wa.width;
5836         HEIGHT(win) = win->wa.height;
5837         X(win) = win->wa.x;
5838         Y(win) = win->wa.y;
5839         win->g_floatvalid = 0;
5840         win->floatmaxed = 0;
5841         win->ewmh_flags = 0;
5842
5843         /* Set window properties so we can remember this after reincarnation */
5844         if (ws_idx_atom && prop == NULL &&
5845             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5846                 SWM_PROPLEN) {
5847                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
5848                     ws_idx_str);
5849                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5850                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5851         }
5852         if (prop)
5853                 XFree(prop);
5854
5855         ewmh_autoquirk(win);
5856
5857         if (XGetClassHint(display, win->id, &win->ch)) {
5858                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
5859                     win->ch.res_class, win->ch.res_name);
5860
5861                 /* java is retarded so treat it special */
5862                 if (strstr(win->ch.res_name, "sun-awt")) {
5863                         win->java = 1;
5864                         border_me = 1;
5865                 }
5866
5867                 TAILQ_FOREACH(qp, &quirks, entry) {
5868                         if (!strcmp(win->ch.res_class, qp->class) &&
5869                             !strcmp(win->ch.res_name, qp->name)) {
5870                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
5871                                     "class: %s, name: %s\n", win->ch.res_class,
5872                                     win->ch.res_name);
5873                                 if (qp->quirk & SWM_Q_FLOAT) {
5874                                         win->floating = 1;
5875                                         border_me = 1;
5876                                 }
5877                                 win->quirks = qp->quirk;
5878                         }
5879                 }
5880         }
5881
5882         /* alter window position if quirky */
5883         if (win->quirks & SWM_Q_ANYWHERE) {
5884                 win->manual = 1; /* don't center the quirky windows */
5885                 bzero(&wc, sizeof wc);
5886                 mask = 0;
5887                 if (bar_enabled && Y(win) < bar_height) {
5888                         Y(win) = wc.y = bar_height;
5889                         mask |= CWY;
5890                 }
5891                 if (WIDTH(win) + X(win) > WIDTH(r)) {
5892                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
5893                         mask |= CWX;
5894                 }
5895                 border_me = 1;
5896         }
5897
5898         /* Reset font sizes (the bruteforce way; no default keybinding). */
5899         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5900                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5901                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5902                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5903                         fake_keypress(win, XK_KP_Add, ShiftMask);
5904         }
5905
5906         ewmh_get_win_state(win);
5907         ewmh_update_actions(win);
5908         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5909
5910         /* border me */
5911         if (border_me) {
5912                 bzero(&wc, sizeof wc);
5913                 wc.border_width = border_width;
5914                 mask = CWBorderWidth;
5915                 XConfigureWindow(display, win->id, mask, &wc);
5916         }
5917
5918         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5919             PropertyChangeMask | StructureNotifyMask);
5920
5921         /* floaters need to be mapped if they are in the current workspace */
5922         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5923                 XMapRaised(display, win->id);
5924
5925         return (win);
5926 }
5927
5928 void
5929 free_window(struct ws_win *win)
5930 {
5931         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
5932
5933         if (win == NULL)
5934                 return;
5935
5936         /* needed for restart wm */
5937         set_win_state(win, WithdrawnState);
5938
5939         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5940
5941         if (win->ch.res_class)
5942                 XFree(win->ch.res_class);
5943         if (win->ch.res_name)
5944                 XFree(win->ch.res_name);
5945
5946         kill_refs(win);
5947
5948         /* paint memory */
5949         memset(win, 0xff, sizeof *win); /* XXX kill later */
5950
5951         free(win);
5952 }
5953
5954 void
5955 unmanage_window(struct ws_win *win)
5956 {
5957         struct ws_win           *parent;
5958
5959         if (win == NULL)
5960                 return;
5961
5962         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
5963
5964         if (win->transient) {
5965                 parent = find_window(win->transient);
5966                 if (parent)
5967                         parent->child_trans = NULL;
5968         }
5969
5970         /* focus on root just in case */
5971         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5972
5973         focus_prev(win);
5974
5975         if (win->hints) {
5976                 XFree(win->hints);
5977                 win->hints = NULL;
5978         }
5979
5980         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5981         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5982
5983         kill_refs(win);
5984 }
5985
5986 void
5987 focus_magic(struct ws_win *win)
5988 {
5989         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
5990
5991         if (win == NULL) {
5992                 /* if there are no windows clear the status-bar */
5993                 bar_check_opts();
5994                 return;
5995         }
5996
5997         if (win->child_trans) {
5998                 /* win = parent & has a transient so focus on that */
5999                 if (win->java) {
6000                         focus_win(win->child_trans);
6001                         if (win->child_trans->take_focus)
6002                                 client_msg(win, takefocus);
6003                 } else {
6004                         /* make sure transient hasn't disappeared */
6005                         if (validate_win(win->child_trans) == 0) {
6006                                 focus_win(win->child_trans);
6007                                 if (win->child_trans->take_focus)
6008                                         client_msg(win->child_trans, takefocus);
6009                         } else {
6010                                 win->child_trans = NULL;
6011                                 focus_win(win);
6012                                 if (win->take_focus)
6013                                         client_msg(win, takefocus);
6014                         }
6015                 }
6016         } else {
6017                 /* regular focus */
6018                 focus_win(win);
6019                 if (win->take_focus)
6020                         client_msg(win, takefocus);
6021         }
6022 }
6023
6024 void
6025 expose(XEvent *e)
6026 {
6027         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6028 }
6029
6030 void
6031 keypress(XEvent *e)
6032 {
6033         KeySym                  keysym;
6034         XKeyEvent               *ev = &e->xkey;
6035         struct key              *kp;
6036
6037         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
6038         TAILQ_FOREACH(kp, &keys, entry)
6039                 if (keysym == kp->keysym
6040                     && CLEANMASK(kp->mod) == CLEANMASK(ev->state)
6041                     && keyfuncs[kp->funcid].func) {
6042                         if (kp->funcid == kf_spawn_custom)
6043                                 spawn_custom(
6044                                     root_to_region(ev->root),
6045                                     &(keyfuncs[kp->funcid].args),
6046                                     kp->spawn_name
6047                                     );
6048                         else
6049                                 keyfuncs[kp->funcid].func(
6050                                     root_to_region(ev->root),
6051                                     &(keyfuncs[kp->funcid].args)
6052                                     );
6053                 }
6054 }
6055
6056 void
6057 buttonpress(XEvent *e)
6058 {
6059         struct ws_win           *win;
6060         int                     i, action;
6061         XButtonPressedEvent     *ev = &e->xbutton;
6062
6063         if ((win = find_window(ev->window)) == NULL)
6064                 return;
6065
6066         focus_magic(win);
6067         action = client_click;
6068
6069         for (i = 0; i < LENGTH(buttons); i++)
6070                 if (action == buttons[i].action && buttons[i].func &&
6071                     buttons[i].button == ev->button &&
6072                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6073                         buttons[i].func(win, &buttons[i].args);
6074 }
6075
6076 void
6077 configurerequest(XEvent *e)
6078 {
6079         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6080         struct ws_win           *win;
6081         int                     new = 0;
6082         XWindowChanges          wc;
6083
6084         if ((win = find_window(ev->window)) == NULL)
6085                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6086                         new = 1;
6087
6088         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6089             ev->window, YESNO(new));
6090
6091         if (new) {
6092                 bzero(&wc, sizeof wc);
6093                 wc.x = ev->x;
6094                 wc.y = ev->y;
6095                 wc.width = ev->width;
6096                 wc.height = ev->height;
6097                 wc.border_width = ev->border_width;
6098                 wc.sibling = ev->above;
6099                 wc.stack_mode = ev->detail;
6100                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6101         } else {
6102                 config_win(win, ev);
6103         }
6104 }
6105
6106 void
6107 configurenotify(XEvent *e)
6108 {
6109         struct ws_win           *win;
6110
6111         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6112             e->xconfigure.window);
6113
6114         win = find_window(e->xconfigure.window);
6115         if (win) {
6116                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6117                 adjust_font(win);
6118                 if (font_adjusted)
6119                         stack();
6120                 if (focus_mode == SWM_FOCUS_DEFAULT)
6121                         drain_enter_notify();
6122         }
6123 }
6124
6125 void
6126 destroynotify(XEvent *e)
6127 {
6128         struct ws_win           *win;
6129         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6130
6131         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6132
6133         if ((win = find_window(ev->window)) == NULL) {
6134                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6135                         return;
6136                 free_window(win);
6137                 return;
6138         }
6139
6140         /* make sure we focus on something */
6141         win->floating = 0;
6142
6143         unmanage_window(win);
6144         stack();
6145         if (focus_mode == SWM_FOCUS_DEFAULT)
6146                 drain_enter_notify();
6147         free_window(win);
6148 }
6149
6150 void
6151 enternotify(XEvent *e)
6152 {
6153         XCrossingEvent          *ev = &e->xcrossing;
6154         XEvent                  cne;
6155         struct ws_win           *win;
6156 #if 0
6157         struct ws_win           *w;
6158         Window                  focus_return;
6159         int                     revert_to_return;
6160 #endif
6161         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6162             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6163             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6164             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6165
6166         if (ev->mode != NotifyNormal) {
6167                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6168                     "cursor grab.\n");
6169                 return;
6170         }
6171
6172         switch (focus_mode) {
6173         case SWM_FOCUS_DEFAULT:
6174                 break;
6175         case SWM_FOCUS_FOLLOW:
6176                 break;
6177         case SWM_FOCUS_SYNERGY:
6178 #if 0
6179         /*
6180          * all these checks need to be in this order because the
6181          * XCheckTypedWindowEvent relies on weeding out the previous events
6182          *
6183          * making this code an option would enable a follow mouse for focus
6184          * feature
6185          */
6186
6187         /*
6188          * state is set when we are switching workspaces and focus is set when
6189          * the window or a subwindow already has focus (occurs during restart).
6190          *
6191          * Only honor the focus flag if last_focus_event is not FocusOut,
6192          * this allows scrotwm to continue to control focus when another
6193          * program is also playing with it.
6194          */
6195         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6196                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6197                 return;
6198         }
6199
6200         /*
6201          * happens when a window is created or destroyed and the border
6202          * crosses the mouse pointer and when switching ws
6203          *
6204          * we need the subwindow test to see if we came from root in order
6205          * to give focus to floaters
6206          */
6207         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6208             ev->subwindow == 0) {
6209                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6210                 return;
6211         }
6212
6213         /* this window already has focus */
6214         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6215                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6216                 return;
6217         }
6218
6219         /* this window is being deleted or moved to another ws */
6220         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6221             &cne) == True) {
6222                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6223                 XPutBackEvent(display, &cne);
6224                 return;
6225         }
6226
6227         if ((win = find_window(ev->window)) == NULL) {
6228                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6229                 return;
6230         }
6231
6232         /*
6233          * In fullstack kill all enters unless they come from a different ws
6234          * (i.e. another region) or focus has been grabbed externally.
6235          */
6236         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6237             last_focus_event != FocusOut) {
6238                 XGetInputFocus(display, &focus_return, &revert_to_return);
6239                 if ((w = find_window(focus_return)) == NULL ||
6240                     w->ws == win->ws) {
6241                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6242                         return;
6243                 }
6244         }
6245 #endif
6246                 break;
6247         }
6248
6249         if ((win = find_window(ev->window)) == NULL) {
6250                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6251                 return;
6252         }
6253
6254         /*
6255          * if we have more enternotifies let them handle it in due time
6256          */
6257         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6258                 DNPRINTF(SWM_D_EVENT,
6259                     "ignoring enternotify: got more enternotify\n");
6260                 XPutBackEvent(display, &cne);
6261                 return;
6262         }
6263
6264         focus_magic(win);
6265 }
6266
6267 /* lets us use one switch statement for arbitrary mode/detail combinations */
6268 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6269
6270 void
6271 focusevent(XEvent *e)
6272 {
6273 #if 0
6274         struct ws_win           *win;
6275         u_int32_t               mode_detail;
6276         XFocusChangeEvent       *ev = &e->xfocus;
6277
6278         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6279             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6280             ev->window, ev->mode, ev->detail);
6281
6282         if (last_focus_event == ev->type) {
6283                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6284                 return;
6285         }
6286
6287         last_focus_event = ev->type;
6288         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6289
6290         switch (mode_detail) {
6291         /* synergy client focus operations */
6292         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6293         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6294
6295         /* synergy server focus operations */
6296         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6297
6298         /* Entering applications like rdesktop that mangle the pointer */
6299         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6300
6301                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6302                         XSetWindowBorder(display, win->id,
6303                             win->ws->r->s->c[ev->type == FocusIn ?
6304                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6305                 break;
6306         default:
6307                 warnx("ignoring focusevent");
6308                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6309                 break;
6310         }
6311 #endif
6312 }
6313
6314 void
6315 mapnotify(XEvent *e)
6316 {
6317         struct ws_win           *win;
6318         XMapEvent               *ev = &e->xmap;
6319
6320         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6321
6322         win = manage_window(ev->window);
6323         if (win)
6324                 set_win_state(win, NormalState);
6325 }
6326
6327 void
6328 mappingnotify(XEvent *e)
6329 {
6330         XMappingEvent           *ev = &e->xmapping;
6331
6332         XRefreshKeyboardMapping(ev);
6333         if (ev->request == MappingKeyboard)
6334                 grabkeys();
6335 }
6336
6337 void
6338 maprequest(XEvent *e)
6339 {
6340         struct ws_win           *win;
6341         struct swm_region       *r;
6342         XWindowAttributes       wa;
6343         XMapRequestEvent        *ev = &e->xmaprequest;
6344
6345         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6346             e->xmaprequest.window);
6347
6348         if (!XGetWindowAttributes(display, ev->window, &wa))
6349                 return;
6350         if (wa.override_redirect)
6351                 return;
6352
6353         win = manage_window(e->xmaprequest.window);
6354         if (win == NULL)
6355                 return; /* can't happen */
6356
6357         stack();
6358
6359         /* make new win focused */
6360         r = root_to_region(win->wa.root);
6361         if (win->ws == r->ws)
6362                 focus_magic(win);
6363 }
6364
6365 void
6366 propertynotify(XEvent *e)
6367 {
6368         struct ws_win           *win;
6369         XPropertyEvent          *ev = &e->xproperty;
6370 #ifdef SWM_DEBUG
6371         char                    *name;
6372         name = XGetAtomName(display, ev->atom);
6373         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6374             ev->window, name);
6375         XFree(name);
6376 #endif
6377
6378         win = find_window(ev->window);
6379         if (win == NULL)
6380                 return;
6381
6382         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6383                 update_iconic(win, 0);
6384                 XMapRaised(display, win->id);
6385                 stack();
6386                 focus_win(win);
6387                 return;
6388         }
6389
6390         switch (ev->atom) {
6391 #if 0
6392         case XA_WM_NORMAL_HINTS:
6393                 long            mask;
6394                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6395                 warnx("normal hints: flag 0x%x", win->sh.flags);
6396                 if (win->sh.flags & PMinSize) {
6397                         WIDTH(win) = win->sh.min_width;
6398                         HEIGHT(win) = win->sh.min_height;
6399                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6400                 }
6401                 XMoveResizeWindow(display, win->id,
6402                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6403 #endif
6404         case XA_WM_CLASS:
6405                 if (title_name_enabled || title_class_enabled)
6406                         bar_update();
6407                 break;
6408         case XA_WM_NAME:
6409                 if (window_name_enabled)
6410                         bar_update();
6411                 break;
6412         default:
6413                 break;
6414         }
6415 }
6416
6417 void
6418 unmapnotify(XEvent *e)
6419 {
6420         struct ws_win           *win;
6421
6422         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6423
6424         /* determine if we need to help unmanage this window */
6425         win = find_window(e->xunmap.window);
6426         if (win == NULL)
6427                 return;
6428
6429         if (getstate(e->xunmap.window) == NormalState) {
6430                 unmanage_window(win);
6431                 stack();
6432
6433                 /* giant hack for apps that don't destroy transient windows */
6434                 /* eat a bunch of events to prevent remanaging the window */
6435                 XEvent                  cne;
6436                 while (XCheckWindowEvent(display, e->xunmap.window,
6437                     EnterWindowMask, &cne))
6438                         ;
6439                 while (XCheckWindowEvent(display, e->xunmap.window,
6440                     StructureNotifyMask, &cne))
6441                         ;
6442                 while (XCheckWindowEvent(display, e->xunmap.window,
6443                     SubstructureNotifyMask, &cne))
6444                         ;
6445                 /* resend unmap because we ated it */
6446                 XUnmapWindow(display, e->xunmap.window);
6447         }
6448
6449         if (focus_mode == SWM_FOCUS_DEFAULT)
6450                 drain_enter_notify();
6451 }
6452
6453 void
6454 visibilitynotify(XEvent *e)
6455 {
6456         int                     i;
6457         struct swm_region       *r;
6458
6459         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6460             e->xvisibility.window);
6461         if (e->xvisibility.state == VisibilityUnobscured)
6462                 for (i = 0; i < ScreenCount(display); i++)
6463                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6464                                 if (e->xvisibility.window == r->bar_window)
6465                                         bar_update();
6466 }
6467
6468 void
6469 clientmessage(XEvent *e)
6470 {
6471         XClientMessageEvent *ev;
6472         struct ws_win *win;
6473
6474         ev = &e->xclient;
6475
6476         win = find_window(ev->window);
6477         if (win == NULL)
6478                 return;
6479
6480         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6481             ev->window, ev->message_type);
6482
6483         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6484                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6485                 focus_win(win);
6486         }
6487         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6488                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6489                 if (win->can_delete)
6490                         client_msg(win, adelete);
6491                 else
6492                         XKillClient(display, win->id);
6493         }
6494         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6495                 DNPRINTF(SWM_D_EVENT,
6496                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6497                 if (win->floating) {
6498                         if (ev->data.l[0] & (1<<8)) /* x */
6499                                 X(win) = ev->data.l[1];
6500                         if (ev->data.l[0] & (1<<9)) /* y */
6501                                 Y(win) = ev->data.l[2];
6502                         if (ev->data.l[0] & (1<<10)) /* width */
6503                                 WIDTH(win) = ev->data.l[3];
6504                         if (ev->data.l[0] & (1<<11)) /* height */
6505                                 HEIGHT(win) = ev->data.l[4];
6506
6507                         update_window(win);
6508                 }
6509                 else {
6510                         /* TODO: Change stack sizes */
6511                         /* notify no change was made. */
6512                         config_win(win, NULL);
6513                 }
6514         }
6515         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6516                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6517                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6518                 if (ev->data.l[2])
6519                         ewmh_update_win_state(win, ev->data.l[2],
6520                             ev->data.l[0]);
6521
6522                 stack();
6523         }
6524 }
6525
6526 int
6527 xerror_start(Display *d, XErrorEvent *ee)
6528 {
6529         other_wm = 1;
6530         return (-1);
6531 }
6532
6533 int
6534 xerror(Display *d, XErrorEvent *ee)
6535 {
6536         /* warnx("error: %p %p", display, ee); */
6537         return (-1);
6538 }
6539
6540 int
6541 active_wm(void)
6542 {
6543         other_wm = 0;
6544         xerrorxlib = XSetErrorHandler(xerror_start);
6545
6546         /* this causes an error if some other window manager is running */
6547         XSelectInput(display, DefaultRootWindow(display),
6548             SubstructureRedirectMask);
6549         XSync(display, False);
6550         if (other_wm)
6551                 return (1);
6552
6553         XSetErrorHandler(xerror);
6554         XSync(display, False);
6555         return (0);
6556 }
6557
6558 void
6559 new_region(struct swm_screen *s, int x, int y, int w, int h)
6560 {
6561         struct swm_region       *r, *n;
6562         struct workspace        *ws = NULL;
6563         int                     i;
6564
6565         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6566              s->idx, w, h, x, y);
6567
6568         /* remove any conflicting regions */
6569         n = TAILQ_FIRST(&s->rl);
6570         while (n) {
6571                 r = n;
6572                 n = TAILQ_NEXT(r, entry);
6573                 if (X(r) < (x + w) &&
6574                     (X(r) + WIDTH(r)) > x &&
6575                     Y(r) < (y + h) &&
6576                     (Y(r) + HEIGHT(r)) > y) {
6577                         if (r->ws->r != NULL)
6578                                 r->ws->old_r = r->ws->r;
6579                         r->ws->r = NULL;
6580                         XDestroyWindow(display, r->bar_window);
6581                         TAILQ_REMOVE(&s->rl, r, entry);
6582                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6583                 }
6584         }
6585
6586         /* search old regions for one to reuse */
6587
6588         /* size + location match */
6589         TAILQ_FOREACH(r, &s->orl, entry)
6590                 if (X(r) == x && Y(r) == y &&
6591                     HEIGHT(r) == h && WIDTH(r) == w)
6592                         break;
6593
6594         /* size match */
6595         TAILQ_FOREACH(r, &s->orl, entry)
6596                 if (HEIGHT(r) == h && WIDTH(r) == w)
6597                         break;
6598
6599         if (r != NULL) {
6600                 TAILQ_REMOVE(&s->orl, r, entry);
6601                 /* try to use old region's workspace */
6602                 if (r->ws->r == NULL)
6603                         ws = r->ws;
6604         } else
6605                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6606                         err(1, "new_region: calloc: failed to allocate memory "
6607                             "for screen");
6608
6609         /* if we don't have a workspace already, find one */
6610         if (ws == NULL) {
6611                 for (i = 0; i < SWM_WS_MAX; i++)
6612                         if (s->ws[i].r == NULL) {
6613                                 ws = &s->ws[i];
6614                                 break;
6615                         }
6616         }
6617
6618         if (ws == NULL)
6619                 errx(1, "new_region: no free workspaces");
6620
6621         X(r) = x;
6622         Y(r) = y;
6623         WIDTH(r) = w;
6624         HEIGHT(r) = h;
6625         r->s = s;
6626         r->ws = ws;
6627         r->ws_prior = NULL;
6628         ws->r = r;
6629         outputs++;
6630         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6631 }
6632
6633 void
6634 scan_xrandr(int i)
6635 {
6636 #ifdef SWM_XRR_HAS_CRTC
6637         XRRCrtcInfo             *ci;
6638         XRRScreenResources      *sr;
6639         int                     c;
6640         int                     ncrtc = 0;
6641 #endif /* SWM_XRR_HAS_CRTC */
6642         struct swm_region       *r;
6643
6644
6645         if (i >= ScreenCount(display))
6646                 errx(1, "scan_xrandr: invalid screen");
6647
6648         /* remove any old regions */
6649         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6650                 r->ws->old_r = r->ws->r = NULL;
6651                 XDestroyWindow(display, r->bar_window);
6652                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6653                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6654         }
6655         outputs = 0;
6656
6657         /* map virtual screens onto physical screens */
6658 #ifdef SWM_XRR_HAS_CRTC
6659         if (xrandr_support) {
6660                 sr = XRRGetScreenResources(display, screens[i].root);
6661                 if (sr == NULL)
6662                         new_region(&screens[i], 0, 0,
6663                             DisplayWidth(display, i),
6664                             DisplayHeight(display, i));
6665                 else
6666                         ncrtc = sr->ncrtc;
6667
6668                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6669                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6670                         if (ci->noutput == 0)
6671                                 continue;
6672
6673                         if (ci != NULL && ci->mode == None)
6674                                 new_region(&screens[i], 0, 0,
6675                                     DisplayWidth(display, i),
6676                                     DisplayHeight(display, i));
6677                         else
6678                                 new_region(&screens[i],
6679                                     ci->x, ci->y, ci->width, ci->height);
6680                 }
6681                 if (ci)
6682                         XRRFreeCrtcInfo(ci);
6683                 XRRFreeScreenResources(sr);
6684         } else
6685 #endif /* SWM_XRR_HAS_CRTC */
6686         {
6687                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6688                     DisplayHeight(display, i));
6689         }
6690 }
6691
6692 void
6693 screenchange(XEvent *e) {
6694         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6695         struct swm_region               *r;
6696         int                             i;
6697
6698         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
6699
6700         if (!XRRUpdateConfiguration(e))
6701                 return;
6702
6703         /* silly event doesn't include the screen index */
6704         for (i = 0; i < ScreenCount(display); i++)
6705                 if (screens[i].root == xe->root)
6706                         break;
6707         if (i >= ScreenCount(display))
6708                 errx(1, "screenchange: screen not found");
6709
6710         /* brute force for now, just re-enumerate the regions */
6711         scan_xrandr(i);
6712
6713         /* add bars to all regions */
6714         for (i = 0; i < ScreenCount(display); i++)
6715                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6716                         bar_setup(r);
6717         stack();
6718         if (focus_mode == SWM_FOCUS_DEFAULT)
6719                 drain_enter_notify();
6720 }
6721
6722 void
6723 grab_windows(void)
6724 {
6725         Window                  d1, d2, *wins = NULL;
6726         XWindowAttributes       wa;
6727         unsigned int            no;
6728         int                     i, j;
6729         long                    state, manage;
6730
6731         for (i = 0; i < ScreenCount(display); i++) {
6732                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6733                         continue;
6734
6735                 /* attach windows to a region */
6736                 /* normal windows */
6737                 for (j = 0; j < no; j++) {
6738                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6739                             wa.override_redirect ||
6740                             XGetTransientForHint(display, wins[j], &d1))
6741                                 continue;
6742
6743                         state = getstate(wins[j]);
6744                         manage = state == IconicState;
6745                         if (wa.map_state == IsViewable || manage)
6746                                 manage_window(wins[j]);
6747                 }
6748                 /* transient windows */
6749                 for (j = 0; j < no; j++) {
6750                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6751                             wa.override_redirect)
6752                                 continue;
6753
6754                         state = getstate(wins[j]);
6755                         manage = state == IconicState;
6756                         if (XGetTransientForHint(display, wins[j], &d1) &&
6757                             manage)
6758                                 manage_window(wins[j]);
6759                 }
6760                 if (wins) {
6761                         XFree(wins);
6762                         wins = NULL;
6763                 }
6764         }
6765 }
6766
6767 void
6768 setup_screens(void)
6769 {
6770         int                     i, j, k;
6771         int                     errorbase, major, minor;
6772         struct workspace        *ws;
6773         XGCValues               gcv;
6774
6775         if ((screens = calloc(ScreenCount(display),
6776              sizeof(struct swm_screen))) == NULL)
6777                 err(1, "setup_screens: calloc: failed to allocate memory for "
6778                     "screens");
6779
6780         /* initial Xrandr setup */
6781         xrandr_support = XRRQueryExtension(display,
6782             &xrandr_eventbase, &errorbase);
6783         if (xrandr_support)
6784                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6785                         xrandr_support = 0;
6786
6787         /* map physical screens */
6788         for (i = 0; i < ScreenCount(display); i++) {
6789                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
6790                 screens[i].idx = i;
6791                 TAILQ_INIT(&screens[i].rl);
6792                 TAILQ_INIT(&screens[i].orl);
6793                 screens[i].root = RootWindow(display, i);
6794
6795                 /* set default colors */
6796                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6797                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6798                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6799                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6800                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6801
6802                 /* create graphics context on screen with default font color */
6803                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
6804                     &gcv);
6805
6806                 XSetForeground(display, screens[i].bar_gc,
6807                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6808
6809                 /* set default cursor */
6810                 XDefineCursor(display, screens[i].root,
6811                     XCreateFontCursor(display, XC_left_ptr));
6812
6813                 /* init all workspaces */
6814                 /* XXX these should be dynamically allocated too */
6815                 for (j = 0; j < SWM_WS_MAX; j++) {
6816                         ws = &screens[i].ws[j];
6817                         ws->idx = j;
6818                         ws->name = NULL;
6819                         ws->focus = NULL;
6820                         ws->r = NULL;
6821                         ws->old_r = NULL;
6822                         TAILQ_INIT(&ws->winlist);
6823                         TAILQ_INIT(&ws->unmanagedlist);
6824
6825                         for (k = 0; layouts[k].l_stack != NULL; k++)
6826                                 if (layouts[k].l_config != NULL)
6827                                         layouts[k].l_config(ws,
6828                                             SWM_ARG_ID_STACKINIT);
6829                         ws->cur_layout = &layouts[0];
6830                         ws->cur_layout->l_string(ws);
6831                 }
6832
6833                 scan_xrandr(i);
6834
6835                 if (xrandr_support)
6836                         XRRSelectInput(display, screens[i].root,
6837                             RRScreenChangeNotifyMask);
6838         }
6839 }
6840
6841 void
6842 setup_globals(void)
6843 {
6844         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
6845                 err(1, "setup_globals: strdup: failed to allocate memory.");
6846
6847         if ((spawn_term[0] = strdup("xterm")) == NULL)
6848                 err(1, "setup_globals: strdup: failed to allocate memory.");
6849
6850         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6851                 err(1, "setup_globals: strdup: failed to allocate memory.");
6852 }
6853
6854 void
6855 workaround(void)
6856 {
6857         int                     i;
6858         Atom                    netwmcheck, netwmname, utf8_string;
6859         Window                  root, win;
6860
6861         /* work around sun jdk bugs, code from wmname */
6862         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6863         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6864         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6865         for (i = 0; i < ScreenCount(display); i++) {
6866                 root = screens[i].root;
6867                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6868                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6869                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6870
6871                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6872                     PropModeReplace, (unsigned char *)&win,1);
6873                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6874                     PropModeReplace, (unsigned char *)&win,1);
6875                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6876                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6877         }
6878 }
6879
6880 int
6881 main(int argc, char *argv[])
6882 {
6883         struct swm_region       *r, *rr;
6884         struct ws_win           *winfocus = NULL;
6885         struct timeval          tv;
6886         union arg               a;
6887         char                    conf[PATH_MAX], *cfile = NULL;
6888         struct stat             sb;
6889         XEvent                  e;
6890         int                     xfd, i;
6891         fd_set                  rd;
6892         struct sigaction        sact;
6893
6894         start_argv = argv;
6895         warnx("Welcome to scrotwm V%s Build: %s", SCROTWM_VERSION, buildstr);
6896         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6897             !XSupportsLocale())
6898                 warnx("no locale support");
6899
6900         if (!X_HAVE_UTF8_STRING)
6901                 warnx("no UTF-8 support");
6902
6903         if (!(display = XOpenDisplay(0)))
6904                 errx(1, "can not open display");
6905
6906         if (active_wm())
6907                 errx(1, "other wm running");
6908
6909         /* handle some signals */
6910         bzero(&sact, sizeof(sact));
6911         sigemptyset(&sact.sa_mask);
6912         sact.sa_flags = 0;
6913         sact.sa_handler = sighdlr;
6914         sigaction(SIGINT, &sact, NULL);
6915         sigaction(SIGQUIT, &sact, NULL);
6916         sigaction(SIGTERM, &sact, NULL);
6917         sigaction(SIGHUP, &sact, NULL);
6918
6919         sact.sa_handler = sighdlr;
6920         sact.sa_flags = SA_NOCLDSTOP;
6921         sigaction(SIGCHLD, &sact, NULL);
6922
6923         astate = XInternAtom(display, "WM_STATE", False);
6924         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6925         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6926         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6927         a_wmname = XInternAtom(display, "WM_NAME", False);
6928         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6929         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6930         a_string = XInternAtom(display, "STRING", False);
6931         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6932
6933         /* look for local and global conf file */
6934         pwd = getpwuid(getuid());
6935         if (pwd == NULL)
6936                 errx(1, "invalid user: %d", getuid());
6937
6938         setup_globals();
6939         setup_screens();
6940         setup_keys();
6941         setup_quirks();
6942         setup_spawn();
6943
6944         /* load config */
6945         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6946         if (stat(conf, &sb) != -1) {
6947                 if (S_ISREG(sb.st_mode))
6948                         cfile = conf;
6949         } else {
6950                 /* try global conf file */
6951                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6952                 if (!stat(conf, &sb))
6953                         if (S_ISREG(sb.st_mode))
6954                                 cfile = conf;
6955         }
6956
6957         /* load conf (if any) and refresh font color in bar graphics contexts */
6958         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
6959                 for (i = 0; i < ScreenCount(display); ++i)
6960                         XSetForeground(display, screens[i].bar_gc,
6961                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6962
6963         setup_ewmh();
6964         /* set some values to work around bad programs */
6965         workaround();
6966         /* grab existing windows (before we build the bars) */
6967         grab_windows();
6968
6969         if (getenv("SWM_STARTED") == NULL)
6970                 setenv("SWM_STARTED", "YES", 1);
6971
6972         /* setup all bars */
6973         for (i = 0; i < ScreenCount(display); i++)
6974                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6975                         if (winfocus == NULL)
6976                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6977                         bar_setup(r);
6978                 }
6979
6980         unfocus_all();
6981
6982         grabkeys();
6983         stack();
6984         if (focus_mode == SWM_FOCUS_DEFAULT)
6985                 drain_enter_notify();
6986
6987         xfd = ConnectionNumber(display);
6988         while (running) {
6989                 while (XPending(display)) {
6990                         XNextEvent(display, &e);
6991                         if (running == 0)
6992                                 goto done;
6993                         if (e.type < LASTEvent) {
6994                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
6995                                     "window: 0x%lx, type: %s (%d), %d remaining"
6996                                     "\n", YESNO(handler[e.type]),
6997                                     e.xany.window, geteventname(&e),
6998                                     e.type, QLength(display));
6999
7000                                 if (handler[e.type])
7001                                         handler[e.type](&e);
7002                         } else {
7003                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7004                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7005                                     xrandr_geteventname(&e), e.type);
7006
7007                                 switch (e.type - xrandr_eventbase) {
7008                                 case RRScreenChangeNotify:
7009                                         screenchange(&e);
7010                                         break;
7011                                 default:
7012                                         break;
7013                                 }
7014                         }
7015                 }
7016
7017                 /* if we are being restarted go focus on first window */
7018                 if (winfocus) {
7019                         rr = winfocus->ws->r;
7020                         if (rr == NULL) {
7021                                 /* not a visible window */
7022                                 winfocus = NULL;
7023                                 continue;
7024                         }
7025                         /* move pointer to first screen if multi screen */
7026                         if (ScreenCount(display) > 1 || outputs > 1)
7027                                 XWarpPointer(display, None, rr->s[0].root,
7028                                     0, 0, 0, 0, X(rr),
7029                                     Y(rr) + (bar_enabled ? bar_height : 0));
7030
7031                         a.id = SWM_ARG_ID_FOCUSCUR;
7032                         focus(rr, &a);
7033                         winfocus = NULL;
7034                         continue;
7035                 }
7036
7037                 FD_ZERO(&rd);
7038                 FD_SET(xfd, &rd);
7039                 tv.tv_sec = 1;
7040                 tv.tv_usec = 0;
7041                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7042                         if (errno != EINTR)
7043                                 DNPRINTF(SWM_D_MISC, "select failed");
7044                 if (restart_wm == 1)
7045                         restart(NULL, NULL);
7046                 if (search_resp == 1)
7047                         search_do_resp();
7048                 if (running == 0)
7049                         goto done;
7050                 if (bar_alarm) {
7051                         bar_alarm = 0;
7052                         bar_update();
7053                 }
7054         }
7055 done:
7056         teardown_ewmh();
7057         bar_extra_stop();
7058
7059         for (i = 0; i < ScreenCount(display); ++i)
7060                 if (screens[i].bar_gc != NULL)
7061                         XFreeGC(display, screens[i].bar_gc);
7062
7063         XFreeFontSet(display, bar_fs);
7064         XCloseDisplay(display);
7065
7066         return (0);
7067 }