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 vertical_msize;
 427                                 int vertical_mwin;
 428                                 int vertical_stacks;
 429         } l_state;
 430 };
 431
 432 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 433           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 434
 435 /* physical screen mapping */
 436 #define SWM_WS_MAX              (10)
 437 struct swm_screen {
 438         int                     idx;    /* screen index */
 439         struct swm_region_list  rl;     /* list of regions on this screen */
 440         struct swm_region_list  orl;    /* list of old regions */
 441         Window                  root;
 442         struct workspace        ws[SWM_WS_MAX];
 443
 444         /* colors */
 445         struct {
 446                 unsigned long   color;
 447                 char            *name;
 448         } c[SWM_S_COLOR_MAX];
 449
 450         GC                      bar_gc;
 451 };
 452 struct swm_screen       *screens;
 453 int                     num_screens;
 454
 455 /* args to functions */
 456 union arg {
 457         int                     id;
 458 #define SWM_ARG_ID_FOCUSNEXT    (0)
 459 #define SWM_ARG_ID_FOCUSPREV    (1)
 460 #define SWM_ARG_ID_FOCUSMAIN    (2)
 461 #define SWM_ARG_ID_FOCUSCUR     (4)
 462 #define SWM_ARG_ID_SWAPNEXT     (10)
 463 #define SWM_ARG_ID_SWAPPREV     (11)
 464 #define SWM_ARG_ID_SWAPMAIN     (12)
 465 #define SWM_ARG_ID_MOVELAST     (13)
 466 #define SWM_ARG_ID_MASTERSHRINK (20)
 467 #define SWM_ARG_ID_MASTERGROW   (21)
 468 #define SWM_ARG_ID_MASTERADD    (22)
 469 #define SWM_ARG_ID_MASTERDEL    (23)
 470 #define SWM_ARG_ID_STACKRESET   (30)
 471 #define SWM_ARG_ID_STACKINIT    (31)
 472 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 473 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 474 #define SWM_ARG_ID_CYCLESC_UP   (42)
 475 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 476 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 477 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 478 #define SWM_ARG_ID_STACKINC     (50)
 479 #define SWM_ARG_ID_STACKDEC     (51)
 480 #define SWM_ARG_ID_SS_ALL       (60)
 481 #define SWM_ARG_ID_SS_WINDOW    (61)
 482 #define SWM_ARG_ID_DONTCENTER   (70)
 483 #define SWM_ARG_ID_CENTER       (71)
 484 #define SWM_ARG_ID_KILLWINDOW   (80)
 485 #define SWM_ARG_ID_DELETEWINDOW (81)
 486 #define SWM_ARG_ID_WIDTHGROW    (90)
 487 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 488 #define SWM_ARG_ID_HEIGHTGROW   (92)
 489 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 490 #define SWM_ARG_ID_MOVEUP       (100)
 491 #define SWM_ARG_ID_MOVEDOWN     (101)
 492 #define SWM_ARG_ID_MOVELEFT     (102)
 493 #define SWM_ARG_ID_MOVERIGHT    (103)
 494         char                    **argv;
 495 };
 496
 497 void    focus(struct swm_region *, union arg *);
 498 void    focus_magic(struct ws_win *);
 499
 500 /* quirks */
 501 struct quirk {
 502         TAILQ_ENTRY(quirk)      entry;
 503         char                    *class;
 504         char                    *name;
 505         unsigned long           quirk;
 506 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 507 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 508 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 509 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 510 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 511 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 512 };
 513 TAILQ_HEAD(quirk_list, quirk);
 514 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 515
 516 /*
 517  * Supported EWMH hints should be added to
 518  * both the enum and the ewmh array
 519  */
 520 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 521     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 522     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 523     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 524     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 525     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 526     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 527     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 528     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 529     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 530     SWM_EWMH_HINT_MAX };
 531
 532 struct ewmh_hint {
 533         char    *name;
 534         Atom     atom;
 535 } ewmh[SWM_EWMH_HINT_MAX] =     {
 536     /* must be in same order as in the enum */
 537     {"_NET_ACTIVE_WINDOW", None},
 538     {"_NET_MOVERESIZE_WINDOW", None},
 539     {"_NET_CLOSE_WINDOW", None},
 540     {"_NET_WM_WINDOW_TYPE", None},
 541     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 542     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 543     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 544     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 545     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 546     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 547     {"_NET_WM_STATE", None},
 548     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 549     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 550     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 551     {"_NET_WM_STATE_SKIP_PAGER", None},
 552     {"_NET_WM_STATE_HIDDEN", None},
 553     {"_NET_WM_STATE_ABOVE", None},
 554     {"_SWM_WM_STATE_MANUAL", None},
 555     {"_NET_WM_STATE_FULLSCREEN", None},
 556     {"_NET_WM_ALLOWED_ACTIONS", None},
 557     {"_NET_WM_ACTION_MOVE", None},
 558     {"_NET_WM_ACTION_RESIZE", None},
 559     {"_NET_WM_ACTION_FULLSCREEN", None},
 560     {"_NET_WM_ACTION_CLOSE", None},
 561 };
 562
 563 void             store_float_geom(struct ws_win *, struct swm_region *);
 564 int              floating_toggle_win(struct ws_win *);
 565 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 566 unsigned char   *get_win_name(Display *, Window, Atom, Atom, unsigned long *);
 567
 568 int
 569 get_property(Window id, Atom atom, long count, Atom type,
 570     unsigned long *n, unsigned char **data)
 571 {
 572         int                     format, status;
 573         unsigned long           tmp, extra;
 574         unsigned long           *nitems;
 575         Atom                    real;
 576
 577         nitems = n != NULL ? n : &tmp;
 578         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 579             &real, &format, nitems, &extra, data);
 580
 581         if (status != Success)
 582                 return False;
 583         if (real != type)
 584                 return False;
 585
 586         return True;
 587 }
 588
 589 void
 590 update_iconic(struct ws_win *win, int newv)
 591 {
 592         int32_t v = newv;
 593         Atom iprop;
 594
 595         win->iconic = newv;
 596
 597         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 598         if (!iprop)
 599                 return;
 600         if (newv)
 601                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 602                     PropModeReplace, (unsigned char *)&v, 1);
 603         else
 604                 XDeleteProperty(display, win->id, iprop);
 605 }
 606
 607 int
 608 get_iconic(struct ws_win *win)
 609 {
 610         int32_t v = 0;
 611         int retfmt, status;
 612         Atom iprop, rettype;
 613         unsigned long nitems, extra;
 614         unsigned char *prop = NULL;
 615
 616         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 617         if (!iprop)
 618                 goto out;
 619         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 620             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 621         if (status != Success)
 622                 goto out;
 623         if (rettype != XA_INTEGER || retfmt != 32)
 624                 goto out;
 625         if (nitems != 1)
 626                 goto out;
 627         v = *((int32_t *)prop);
 628
 629 out:
 630         if (prop != NULL)
 631                 XFree(prop);
 632         return (v);
 633 }
 634
 635 void
 636 setup_ewmh(void)
 637 {
 638         int                     i,j;
 639         Atom                    sup_list;
 640
 641         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 642
 643         for (i = 0; i < LENGTH(ewmh); i++)
 644                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 645
 646         for (i = 0; i < ScreenCount(display); i++) {
 647                 /* Support check window will be created by workaround(). */
 648
 649                 /* Report supported atoms */
 650                 XDeleteProperty(display, screens[i].root, sup_list);
 651                 for (j = 0; j < LENGTH(ewmh); j++)
 652                         XChangeProperty(display, screens[i].root,
 653                             sup_list, XA_ATOM, 32,
 654                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 655         }
 656 }
 657
 658 void
 659 teardown_ewmh(void)
 660 {
 661         int                     i, success;
 662         unsigned char           *data = NULL;
 663         unsigned long           n;
 664         Atom                    sup_check, sup_list;
 665         Window                  id;
 666
 667         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 668         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 669
 670         for (i = 0; i < ScreenCount(display); i++) {
 671                 /* Get the support check window and destroy it */
 672                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 673                     &n, &data);
 674
 675                 if (success) {
 676                         id = data[0];
 677                         XDestroyWindow(display, id);
 678                         XDeleteProperty(display, screens[i].root, sup_check);
 679                         XDeleteProperty(display, screens[i].root, sup_list);
 680                 }
 681
 682                 XFree(data);
 683         }
 684 }
 685
 686 void
 687 ewmh_autoquirk(struct ws_win *win)
 688 {
 689         int                     success, i;
 690         unsigned long           *data = NULL, n;
 691         Atom                    type;
 692
 693         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 694             XA_ATOM, &n, (void *)&data);
 695
 696         if (!success) {
 697                 XFree(data);
 698                 return;
 699         }
 700
 701         for (i = 0; i < n; i++) {
 702                 type = data[i];
 703                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 704                         break;
 705                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 706                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 707                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 708                         win->floating = 1;
 709                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 710                         break;
 711                 }
 712                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 713                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 714                         win->floating = 1;
 715                         win->quirks = SWM_Q_FLOAT;
 716                         break;
 717                 }
 718         }
 719
 720         XFree(data);
 721 }
 722
 723 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 724 #define EWMH_F_FULLSCREEN               (1<<0)
 725 #define EWMH_F_ABOVE                    (1<<1)
 726 #define EWMH_F_HIDDEN                   (1<<2)
 727 #define EWMH_F_SKIP_PAGER               (1<<3)
 728 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 729 #define SWM_F_MANUAL                    (1<<5)
 730
 731 int
 732 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 733 {
 734         struct swm_geometry     rg;
 735
 736         if (!win->ws->r)
 737                 return 0;
 738
 739         if (!win->floating)
 740                 return 0;
 741
 742         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 743             "fullscreen %s\n", win->id, YESNO(fs));
 744
 745         rg = win->ws->r->g;
 746
 747         if (fs) {
 748                 store_float_geom(win, win->ws->r);
 749
 750                 win->g = rg;
 751         } else {
 752                 if (win->g_floatvalid) {
 753                         /* refloat at last floating relative position */
 754                         X(win) = win->g_float.x - win->rg_float.x + rg.x;
 755                         Y(win) = win->g_float.y - win->rg_float.y + rg.y;
 756                         WIDTH(win) = win->g_float.w;
 757                         HEIGHT(win) = win->g_float.h;
 758                 }
 759         }
 760
 761         return 1;
 762 }
 763
 764 void
 765 ewmh_update_actions(struct ws_win *win)
 766 {
 767         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 768         int                     n = 0;
 769
 770         if (win == NULL)
 771                 return;
 772
 773         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 774
 775         if (win->floating) {
 776                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 777                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 778         }
 779
 780         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 781             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 782 }
 783
 784 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 785 #define _NET_WM_STATE_ADD       1    /* add/set property */
 786 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 787
 788 void
 789 ewmh_update_win_state(struct ws_win *win, long state, long action)
 790 {
 791         unsigned int            mask = 0;
 792         unsigned int            changed = 0;
 793         unsigned int            orig_flags;
 794
 795         if (win == NULL)
 796                 return;
 797
 798         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 799                 mask = EWMH_F_FULLSCREEN;
 800         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 801                 mask = EWMH_F_ABOVE;
 802         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 803                 mask = SWM_F_MANUAL;
 804         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 805                 mask = EWMH_F_SKIP_PAGER;
 806         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 807                 mask = EWMH_F_SKIP_TASKBAR;
 808
 809
 810         orig_flags = win->ewmh_flags;
 811
 812         switch (action) {
 813         case _NET_WM_STATE_REMOVE:
 814                 win->ewmh_flags &= ~mask;
 815                 break;
 816         case _NET_WM_STATE_ADD:
 817                 win->ewmh_flags |= mask;
 818                 break;
 819         case _NET_WM_STATE_TOGGLE:
 820                 win->ewmh_flags ^= mask;
 821                 break;
 822         }
 823
 824         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 825
 826         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 827                 if (changed)
 828                         if (!floating_toggle_win(win))
 829                                 win->ewmh_flags = orig_flags; /* revert */
 830         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 831                 if (changed)
 832                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 833         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 834                 if (changed)
 835                         if (!ewmh_set_win_fullscreen(win,
 836                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 837                                 win->ewmh_flags = orig_flags; /* revert */
 838
 839         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 840
 841         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 842                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 843                     XA_ATOM, 32, PropModeAppend,
 844                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 845         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 846                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 847                     XA_ATOM, 32, PropModeAppend,
 848                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 849         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 850                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 851                     XA_ATOM, 32, PropModeAppend,
 852                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 853         if (win->ewmh_flags & EWMH_F_ABOVE)
 854                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 855                     XA_ATOM, 32, PropModeAppend,
 856                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 857         if (win->ewmh_flags & SWM_F_MANUAL)
 858                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 859                     XA_ATOM, 32, PropModeAppend,
 860                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 861 }
 862
 863 void
 864 ewmh_get_win_state(struct ws_win *win)
 865 {
 866         int                     success, i;
 867         unsigned long           n;
 868         Atom                    *states;
 869
 870         if (win == NULL)
 871                 return;
 872
 873         win->ewmh_flags = 0;
 874         if (win->floating)
 875                 win->ewmh_flags |= EWMH_F_ABOVE;
 876         if (win->manual)
 877                 win->ewmh_flags |= SWM_F_MANUAL;
 878
 879         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 880             (~0L), XA_ATOM, &n, (void *)&states);
 881
 882         if (!success)
 883                 return;
 884
 885         for (i = 0; i < n; i++)
 886                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 887
 888         XFree(states);
 889 }
 890
 891 /* events */
 892 #ifdef SWM_DEBUG
 893 char *
 894 geteventname(XEvent *e)
 895 {
 896         char                    *name = NULL;
 897
 898         switch (e->type) {
 899         case KeyPress:
 900                 name = "KeyPress";
 901                 break;
 902         case KeyRelease:
 903                 name = "KeyRelease";
 904                 break;
 905         case ButtonPress:
 906                 name = "ButtonPress";
 907                 break;
 908         case ButtonRelease:
 909                 name = "ButtonRelease";
 910                 break;
 911         case MotionNotify:
 912                 name = "MotionNotify";
 913                 break;
 914         case EnterNotify:
 915                 name = "EnterNotify";
 916                 break;
 917         case LeaveNotify:
 918                 name = "LeaveNotify";
 919                 break;
 920         case FocusIn:
 921                 name = "FocusIn";
 922                 break;
 923         case FocusOut:
 924                 name = "FocusOut";
 925                 break;
 926         case KeymapNotify:
 927                 name = "KeymapNotify";
 928                 break;
 929         case Expose:
 930                 name = "Expose";
 931                 break;
 932         case GraphicsExpose:
 933                 name = "GraphicsExpose";
 934                 break;
 935         case NoExpose:
 936                 name = "NoExpose";
 937                 break;
 938         case VisibilityNotify:
 939                 name = "VisibilityNotify";
 940                 break;
 941         case CreateNotify:
 942                 name = "CreateNotify";
 943                 break;
 944         case DestroyNotify:
 945                 name = "DestroyNotify";
 946                 break;
 947         case UnmapNotify:
 948                 name = "UnmapNotify";
 949                 break;
 950         case MapNotify:
 951                 name = "MapNotify";
 952                 break;
 953         case MapRequest:
 954                 name = "MapRequest";
 955                 break;
 956         case ReparentNotify:
 957                 name = "ReparentNotify";
 958                 break;
 959         case ConfigureNotify:
 960                 name = "ConfigureNotify";
 961                 break;
 962         case ConfigureRequest:
 963                 name = "ConfigureRequest";
 964                 break;
 965         case GravityNotify:
 966                 name = "GravityNotify";
 967                 break;
 968         case ResizeRequest:
 969                 name = "ResizeRequest";
 970                 break;
 971         case CirculateNotify:
 972                 name = "CirculateNotify";
 973                 break;
 974         case CirculateRequest:
 975                 name = "CirculateRequest";
 976                 break;
 977         case PropertyNotify:
 978                 name = "PropertyNotify";
 979                 break;
 980         case SelectionClear:
 981                 name = "SelectionClear";
 982                 break;
 983         case SelectionRequest:
 984                 name = "SelectionRequest";
 985                 break;
 986         case SelectionNotify:
 987                 name = "SelectionNotify";
 988                 break;
 989         case ColormapNotify:
 990                 name = "ColormapNotify";
 991                 break;
 992         case ClientMessage:
 993                 name = "ClientMessage";
 994                 break;
 995         case MappingNotify:
 996                 name = "MappingNotify";
 997                 break;
 998         default:
 999                 name = "Unknown";
1000         }
1001
1002         return name;
1003 }
1004
1005 char *
1006 xrandr_geteventname(XEvent *e)
1007 {
1008         char                    *name = NULL;
1009
1010         switch(e->type - xrandr_eventbase) {
1011         case RRScreenChangeNotify:
1012                 name = "RRScreenChangeNotify";
1013                 break;
1014         default:
1015                 name = "Unknown";
1016         }
1017
1018         return name;
1019 }
1020
1021 void
1022 dumpwins(struct swm_region *r, union arg *args)
1023 {
1024         struct ws_win           *win;
1025         unsigned int            state;
1026         XWindowAttributes       wa;
1027
1028         if (r->ws == NULL) {
1029                 warnx("dumpwins: invalid workspace");
1030                 return;
1031         }
1032
1033         warnx("=== managed window list ws %02d ===", r->ws->idx);
1034
1035         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1036                 state = getstate(win->id);
1037                 if (!XGetWindowAttributes(display, win->id, &wa))
1038                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1039                             win->id);
1040                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1041                     "transient: 0x%lx", win->id, wa.map_state, state,
1042                     win->transient);
1043         }
1044
1045         warnx("===== unmanaged window list =====");
1046         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1047                 state = getstate(win->id);
1048                 if (!XGetWindowAttributes(display, win->id, &wa))
1049                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1050                             win->id);
1051                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1052                     "transient: 0x%lx", win->id, wa.map_state, state,
1053                     win->transient);
1054         }
1055
1056         warnx("=================================");
1057 }
1058 #else
1059 void
1060 dumpwins(struct swm_region *r, union arg *args)
1061 {
1062 }
1063 #endif /* SWM_DEBUG */
1064
1065 void                    expose(XEvent *);
1066 void                    keypress(XEvent *);
1067 void                    buttonpress(XEvent *);
1068 void                    configurerequest(XEvent *);
1069 void                    configurenotify(XEvent *);
1070 void                    destroynotify(XEvent *);
1071 void                    enternotify(XEvent *);
1072 void                    focusevent(XEvent *);
1073 void                    mapnotify(XEvent *);
1074 void                    mappingnotify(XEvent *);
1075 void                    maprequest(XEvent *);
1076 void                    propertynotify(XEvent *);
1077 void                    unmapnotify(XEvent *);
1078 void                    visibilitynotify(XEvent *);
1079 void                    clientmessage(XEvent *);
1080
1081 void                    (*handler[LASTEvent])(XEvent *) = {
1082                                 [Expose] = expose,
1083                                 [KeyPress] = keypress,
1084                                 [ButtonPress] = buttonpress,
1085                                 [ConfigureRequest] = configurerequest,
1086                                 [ConfigureNotify] = configurenotify,
1087                                 [DestroyNotify] = destroynotify,
1088                                 [EnterNotify] = enternotify,
1089                                 [FocusIn] = focusevent,
1090                                 [FocusOut] = focusevent,
1091                                 [MapNotify] = mapnotify,
1092                                 [MappingNotify] = mappingnotify,
1093                                 [MapRequest] = maprequest,
1094                                 [PropertyNotify] = propertynotify,
1095                                 [UnmapNotify] = unmapnotify,
1096                                 [VisibilityNotify] = visibilitynotify,
1097                                 [ClientMessage] = clientmessage,
1098 };
1099
1100 void
1101 sighdlr(int sig)
1102 {
1103         int                     saved_errno, status;
1104         pid_t                   pid;
1105
1106         saved_errno = errno;
1107
1108         switch (sig) {
1109         case SIGCHLD:
1110                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1111                         if (pid == -1) {
1112                                 if (errno == EINTR)
1113                                         continue;
1114 #ifdef SWM_DEBUG
1115                                 if (errno != ECHILD)
1116                                         warn("sighdlr: waitpid");
1117 #endif /* SWM_DEBUG */
1118                                 break;
1119                         }
1120                         if (pid == searchpid)
1121                                 search_resp = 1;
1122
1123 #ifdef SWM_DEBUG
1124                         if (WIFEXITED(status)) {
1125                                 if (WEXITSTATUS(status) != 0)
1126                                         warnx("sighdlr: child exit status: %d",
1127                                             WEXITSTATUS(status));
1128                         } else
1129                                 warnx("sighdlr: child is terminated "
1130                                     "abnormally");
1131 #endif /* SWM_DEBUG */
1132                 }
1133                 break;
1134
1135         case SIGHUP:
1136                 restart_wm = 1;
1137                 break;
1138         case SIGINT:
1139         case SIGTERM:
1140         case SIGQUIT:
1141                 running = 0;
1142                 break;
1143         }
1144
1145         errno = saved_errno;
1146 }
1147
1148 struct pid_e *
1149 find_pid(long pid)
1150 {
1151         struct pid_e            *p = NULL;
1152
1153         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1154
1155         if (pid == 0)
1156                 return (NULL);
1157
1158         TAILQ_FOREACH(p, &pidlist, entry) {
1159                 if (p->pid == pid)
1160                         return (p);
1161         }
1162
1163         return (NULL);
1164 }
1165
1166 unsigned long
1167 name_to_color(char *colorname)
1168 {
1169         Colormap                cmap;
1170         Status                  status;
1171         XColor                  screen_def, exact_def;
1172         unsigned long           result = 0;
1173         char                    cname[32] = "#";
1174
1175         cmap = DefaultColormap(display, screens[0].idx);
1176         status = XAllocNamedColor(display, cmap, colorname,
1177             &screen_def, &exact_def);
1178         if (!status) {
1179                 strlcat(cname, colorname + 2, sizeof cname - 1);
1180                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1181                     &exact_def);
1182         }
1183         if (status)
1184                 result = screen_def.pixel;
1185         else
1186                 warnx("color '%s' not found", colorname);
1187
1188         return (result);
1189 }
1190
1191 void
1192 setscreencolor(char *val, int i, int c)
1193 {
1194         if (i > 0 && i <= ScreenCount(display)) {
1195                 screens[i - 1].c[c].color = name_to_color(val);
1196                 free(screens[i - 1].c[c].name);
1197                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1198                         err(1, "strdup");
1199         } else if (i == -1) {
1200                 for (i = 0; i < ScreenCount(display); i++) {
1201                         screens[i].c[c].color = name_to_color(val);
1202                         free(screens[i].c[c].name);
1203                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1204                                 err(1, "strdup");
1205                 }
1206         } else
1207                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1208                     i, ScreenCount(display));
1209 }
1210
1211 void
1212 fancy_stacker(struct workspace *ws)
1213 {
1214         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1215         if (ws->cur_layout->l_stack == vertical_stack)
1216                 snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
1217                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1218         if (ws->cur_layout->l_stack == horizontal_stack)
1219                 snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
1220                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1221 }
1222
1223 void
1224 plain_stacker(struct workspace *ws)
1225 {
1226         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1227         if (ws->cur_layout->l_stack == vertical_stack)
1228                 strlcpy(ws->stacker, "[|]", sizeof ws->stacker);
1229         if (ws->cur_layout->l_stack == horizontal_stack)
1230                 strlcpy(ws->stacker, "[-]", sizeof ws->stacker);
1231 }
1232
1233 void
1234 custom_region(char *val)
1235 {
1236         unsigned int                    sidx, x, y, w, h;
1237
1238         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1239                 errx(1, "invalid custom region, "
1240                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1241         if (sidx < 1 || sidx > ScreenCount(display))
1242                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1243                     sidx, ScreenCount(display));
1244         sidx--;
1245
1246         if (w < 1 || h < 1)
1247                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1248
1249         if (x > DisplayWidth(display, sidx) ||
1250             y > DisplayHeight(display, sidx) ||
1251             w + x > DisplayWidth(display, sidx) ||
1252             h + y > DisplayHeight(display, sidx)) {
1253                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1254                     "boundaries (%ux%u)", w, h, x, y,
1255                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1256                 return;
1257         }
1258
1259         new_region(&screens[sidx], x, y, w, h);
1260 }
1261
1262 void
1263 socket_setnonblock(int fd)
1264 {
1265         int                     flags;
1266
1267         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1268                 err(1, "fcntl F_GETFL");
1269         flags |= O_NONBLOCK;
1270         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1271                 err(1, "fcntl F_SETFL");
1272 }
1273
1274 void
1275 bar_print(struct swm_region *r, char *s)
1276 {
1277         int                     x = 0;
1278         size_t                  len;
1279         XRectangle              ibox, lbox;
1280
1281         XClearWindow(display, r->bar_window);
1282
1283         len = strlen(s);
1284         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1285
1286         switch (bar_justify) {
1287         case SWM_BAR_JUSTIFY_LEFT:
1288                 x = SWM_BAR_OFFSET;
1289                 break;
1290         case SWM_BAR_JUSTIFY_CENTER:
1291                 x = (WIDTH(r) - lbox.width) / 2;
1292                 break;
1293         case SWM_BAR_JUSTIFY_RIGHT:
1294                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1295                 break;
1296         }
1297
1298         if (x < SWM_BAR_OFFSET)
1299                 x = SWM_BAR_OFFSET;
1300
1301         DRAWSTRING(display, r->bar_window, bar_fs, r->s->bar_gc,
1302             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1303             lbox.y, s, len);
1304 }
1305
1306 void
1307 bar_extra_stop(void)
1308 {
1309         if (bar_pipe[0]) {
1310                 close(bar_pipe[0]);
1311                 bzero(bar_pipe, sizeof bar_pipe);
1312         }
1313         if (bar_pid) {
1314                 kill(bar_pid, SIGTERM);
1315                 bar_pid = 0;
1316         }
1317         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1318         bar_extra = 0;
1319 }
1320
1321 void
1322 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1323 {
1324         int                     do_class, do_name;
1325         Status                  status;
1326         XClassHint              *xch = NULL;
1327
1328         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1329             cur_focus != NULL) {
1330                 if ((xch = XAllocClassHint()) == NULL)
1331                         goto out;
1332                 status = XGetClassHint(display, cur_focus->id, xch);
1333                 if (status == BadWindow || status == BadAlloc)
1334                         goto out;
1335                 do_class = (title_class_enabled && xch->res_class != NULL);
1336                 do_name = (title_name_enabled && xch->res_name != NULL);
1337                 if (do_class)
1338                         strlcat(s, xch->res_class, sz);
1339                 if (do_class && do_name)
1340                         strlcat(s, ":", sz);
1341                 if (do_name)
1342                         strlcat(s, xch->res_name, sz);
1343                 strlcat(s, "    ", sz);
1344         }
1345 out:
1346         if (xch) {
1347                 XFree(xch->res_name);
1348                 XFree(xch->res_class);
1349                 XFree(xch);
1350         }
1351 }
1352
1353 void
1354 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1355 {
1356         unsigned char           *title;
1357         unsigned long           len;
1358
1359         if (window_name_enabled && cur_focus != NULL) {
1360                 if ((title = get_win_name(display, cur_focus->id, a_netwmname,
1361                     a_utf8_string, &len)) != NULL) {
1362                         DNPRINTF(SWM_D_BAR, "bar_window_name: title: %s\n",
1363                             title);
1364
1365                         if (cur_focus->floating)
1366                                 strlcat(s, "(f) ", sz);
1367                         strlcat(s, (char *)title, sz);
1368                         strlcat(s, " ", sz);
1369                         XFree(title);
1370                 }
1371         }
1372 }
1373
1374 int             urgent[SWM_WS_MAX];
1375 void
1376 bar_urgent(char *s, ssize_t sz)
1377 {
1378         XWMHints                *wmh = NULL;
1379         struct ws_win           *win;
1380         int                     i, j;
1381         char                    b[8];
1382
1383         if (urgent_enabled == 0)
1384                 return;
1385
1386         for (i = 0; i < SWM_WS_MAX; i++)
1387                 urgent[i] = 0;
1388
1389         for (i = 0; i < ScreenCount(display); i++)
1390                 for (j = 0; j < SWM_WS_MAX; j++)
1391                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1392                                 wmh = XGetWMHints(display, win->id);
1393                                 if (wmh == NULL)
1394                                         continue;
1395
1396                                 if (wmh->flags & XUrgencyHint)
1397                                         urgent[j] = 1;
1398                                 XFree(wmh);
1399                         }
1400
1401         strlcat(s, "* ", sz);
1402         for (i = 0; i < SWM_WS_MAX; i++) {
1403                 if (urgent[i])
1404                         snprintf(b, sizeof b, "%d ", i + 1);
1405                 else
1406                         snprintf(b, sizeof b, "- ");
1407                 strlcat(s, b, sz);
1408         }
1409         strlcat(s, "*    ", sz);
1410 }
1411
1412 void
1413 bar_update(void)
1414 {
1415         time_t                  tmt;
1416         struct tm               tm;
1417         struct swm_region       *r;
1418         int                     i, x;
1419         size_t                  len;
1420         char                    ws[SWM_BAR_MAX];
1421         char                    s[SWM_BAR_MAX];
1422         unsigned char           cn[SWM_BAR_MAX];
1423         char                    loc[SWM_BAR_MAX];
1424         char                    *b, *stack = "";
1425
1426         if (bar_enabled == 0)
1427                 return;
1428         if (bar_extra && bar_extra_running) {
1429                 /* ignore short reads; it'll correct itself */
1430                 while ((b = fgetln(stdin, &len)) != NULL)
1431                         if (b && b[len - 1] == '\n') {
1432                                 b[len - 1] = '\0';
1433                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1434                         }
1435                 if (b == NULL && errno != EAGAIN) {
1436                         warn("bar_update: bar_extra failed");
1437                         bar_extra_stop();
1438                 }
1439         } else
1440                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1441
1442         if (clock_enabled == 0)
1443                 strlcpy(s, "", sizeof s);
1444         else {
1445                 time(&tmt);
1446                 localtime_r(&tmt, &tm);
1447                 len = strftime(s, sizeof s, clock_format, &tm);
1448                 s[len] = '\0';
1449                 strlcat(s, "    ", sizeof s);
1450         }
1451
1452         for (i = 0; i < ScreenCount(display); i++) {
1453                 x = 1;
1454                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1455                         strlcpy((char *)cn, "", sizeof cn);
1456                         strlcpy(ws, "", sizeof ws);
1457                         if (r && r->ws) {
1458                                 bar_urgent((char *)cn, sizeof cn);
1459                                 bar_class_name((char *)cn, sizeof cn,
1460                                     r->ws->focus);
1461                                 bar_window_name((char *)cn, sizeof cn,
1462                                     r->ws->focus);
1463                                 if (r->ws->name)
1464                                         snprintf(ws, sizeof ws, "<%s>",
1465                                             r->ws->name);
1466                         }
1467                         if (stack_enabled)
1468                                 stack = r->ws->stacker;
1469
1470                         snprintf(loc, sizeof loc, "%d:%d %s %s   %s%s    %s    "
1471                             "%s", x++, r->ws->idx + 1, stack, ws, s, cn,
1472                             bar_ext, bar_vertext);
1473                         bar_print(r, loc);
1474                 }
1475         }
1476         alarm(bar_delay);
1477 }
1478
1479 void
1480 bar_signal(int sig)
1481 {
1482         bar_alarm = 1;
1483 }
1484
1485 void
1486 bar_toggle(struct swm_region *r, union arg *args)
1487 {
1488         struct swm_region       *tmpr;
1489         int                     i, sc = ScreenCount(display);
1490
1491         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1492
1493         if (bar_enabled)
1494                 for (i = 0; i < sc; i++)
1495                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1496                                 XUnmapWindow(display, tmpr->bar_window);
1497         else
1498                 for (i = 0; i < sc; i++)
1499                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1500                                 XMapRaised(display, tmpr->bar_window);
1501
1502         bar_enabled = !bar_enabled;
1503
1504         stack();
1505         /* must be after stack */
1506         bar_update();
1507 }
1508
1509 void
1510 bar_refresh(void)
1511 {
1512         XSetWindowAttributes    wa;
1513         struct swm_region       *r;
1514         int                     i;
1515
1516         /* do this here because the conf file is in memory */
1517         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1518                 /* launch external status app */
1519                 bar_extra_running = 1;
1520                 if (pipe(bar_pipe) == -1)
1521                         err(1, "pipe error");
1522                 socket_setnonblock(bar_pipe[0]);
1523                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1524                 if (dup2(bar_pipe[0], 0) == -1)
1525                         err(1, "dup2");
1526                 if (dup2(bar_pipe[1], 1) == -1)
1527                         err(1, "dup2");
1528                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1529                         err(1, "could not disable SIGPIPE");
1530                 switch (bar_pid = fork()) {
1531                 case -1:
1532                         err(1, "cannot fork");
1533                         break;
1534                 case 0: /* child */
1535                         close(bar_pipe[0]);
1536                         execvp(bar_argv[0], bar_argv);
1537                         err(1, "%s external app failed", bar_argv[0]);
1538                         break;
1539                 default: /* parent */
1540                         close(bar_pipe[1]);
1541                         break;
1542                 }
1543         }
1544
1545         bzero(&wa, sizeof wa);
1546         for (i = 0; i < ScreenCount(display); i++)
1547                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1548                         wa.border_pixel =
1549                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1550                         wa.background_pixel =
1551                             screens[i].c[SWM_S_COLOR_BAR].color;
1552                         XChangeWindowAttributes(display, r->bar_window,
1553                             CWBackPixel | CWBorderPixel, &wa);
1554                 }
1555         bar_update();
1556 }
1557
1558 void
1559 bar_setup(struct swm_region *r)
1560 {
1561         char                    *default_string;
1562         char                    **missing_charsets;
1563         int                     num_missing_charsets = 0;
1564         int                     i, x, y;
1565
1566         if (bar_fs) {
1567                 XFreeFontSet(display, bar_fs);
1568                 bar_fs = NULL;
1569         }
1570
1571
1572         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1573
1574         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1575             &num_missing_charsets, &default_string);
1576
1577         if (num_missing_charsets > 0) {
1578                 warnx("Unable to load charset(s):");
1579
1580                 for (i = 0; i < num_missing_charsets; ++i)
1581                         warnx("%s", missing_charsets[i]);
1582
1583                 XFreeStringList(missing_charsets);
1584
1585                 if (strcmp(default_string, ""))
1586                         warnx("Glyphs from those sets will be replaced "
1587                             "by '%s'.", default_string);
1588                 else
1589                         warnx("Glyphs from those sets won't be drawn.");
1590         }
1591
1592         if (bar_fs == NULL)
1593                 errx(1, "Error creating font set structure.");
1594
1595         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1596
1597         bar_height = bar_fs_extents->max_logical_extent.height +
1598             2 * bar_border_width;
1599
1600         if (bar_height < 1)
1601                 bar_height = 1;
1602
1603         x = X(r);
1604         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1605
1606         r->bar_window = XCreateSimpleWindow(display,
1607             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1608             bar_height - 2 * bar_border_width,
1609             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1610             r->s->c[SWM_S_COLOR_BAR].color);
1611         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1612         if (bar_enabled)
1613                 XMapRaised(display, r->bar_window);
1614         DNPRINTF(SWM_D_BAR, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1615
1616         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1617                 err(1, "could not install bar_signal");
1618         bar_refresh();
1619 }
1620
1621 void
1622 drain_enter_notify(void)
1623 {
1624         int                     i = 0;
1625         XEvent                  cne;
1626
1627         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1628                 i++;
1629
1630         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1631 }
1632
1633 void
1634 set_win_state(struct ws_win *win, long state)
1635 {
1636         long                    data[] = {state, None};
1637
1638         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1639
1640         if (win == NULL)
1641                 return;
1642
1643         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1644             (unsigned char *)data, 2);
1645 }
1646
1647 long
1648 getstate(Window w)
1649 {
1650         long                    result = -1;
1651         unsigned char           *p = NULL;
1652         unsigned long           n;
1653
1654         if (!get_property(w, astate, 2L, astate, &n, &p))
1655                 return (-1);
1656         if (n != 0)
1657                 result = *((long *)p);
1658         XFree(p);
1659         return (result);
1660 }
1661
1662 void
1663 version(struct swm_region *r, union arg *args)
1664 {
1665         bar_version = !bar_version;
1666         if (bar_version)
1667                 snprintf(bar_vertext, sizeof bar_vertext,
1668                     "Version: %s Build: %s", SCROTWM_VERSION, buildstr);
1669         else
1670                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1671         bar_update();
1672 }
1673
1674 void
1675 client_msg(struct ws_win *win, Atom a)
1676 {
1677         XClientMessageEvent     cm;
1678
1679         if (win == NULL)
1680                 return;
1681
1682         bzero(&cm, sizeof cm);
1683         cm.type = ClientMessage;
1684         cm.window = win->id;
1685         cm.message_type = aprot;
1686         cm.format = 32;
1687         cm.data.l[0] = a;
1688         cm.data.l[1] = CurrentTime;
1689         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1690 }
1691
1692 /* synthetic response to a ConfigureRequest when not making a change */
1693 void
1694 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1695 {
1696         XConfigureEvent         ce;
1697
1698         if (win == NULL)
1699                 return;
1700
1701         /* send notification of unchanged state. */
1702         ce.type = ConfigureNotify;
1703         ce.x = X(win);
1704         ce.y = Y(win);
1705         ce.width = WIDTH(win);
1706         ce.height = HEIGHT(win);
1707         ce.override_redirect = False;
1708
1709         if (ev == NULL) {
1710                 /* EWMH */
1711                 ce.display = display;
1712                 ce.event = win->id;
1713                 ce.window = win->id;
1714                 ce.border_width = border_width;
1715                 ce.above = None;
1716         } else {
1717                 /* normal */
1718                 ce.display = ev->display;
1719                 ce.event = ev->window;
1720                 ce.window = ev->window;
1721
1722                 /* make response appear more WM_SIZE_HINTS-compliant */
1723                 if (win->sh_mask)
1724                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
1725                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
1726                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
1727                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
1728                             SH_INC_W(win), SH_INC_H(win));
1729
1730                 /* min size */
1731                 if (SH_MIN(win)) {
1732                         /* the hint may be set... to 0! */
1733                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
1734                                 ce.width = SH_MIN_W(win);
1735                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
1736                                 ce.height = SH_MIN_H(win);
1737                 }
1738
1739                 /* max size */
1740                 if (SH_MAX(win)) {
1741                         /* may also be advertized as 0 */
1742                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
1743                                 ce.width = SH_MAX_W(win);
1744                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
1745                                 ce.height = SH_MAX_H(win);
1746                 }
1747
1748                 /* resize increment. */
1749                 if (SH_INC(win)) {
1750                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
1751                                 ce.width -= (ce.width - SH_MIN_W(win)) %
1752                                     SH_INC_W(win);
1753                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
1754                                 ce.height -= (ce.height - SH_MIN_H(win)) %
1755                                     SH_INC_H(win);
1756                 }
1757
1758                 /* adjust x and y for requested border_width. */
1759                 ce.x += border_width - ev->border_width;
1760                 ce.y += border_width - ev->border_width;
1761                 ce.border_width = ev->border_width;
1762                 ce.above = ev->above;
1763         }
1764
1765         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
1766             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
1767             ce.y, ce.width, ce.height, ce.border_width);
1768
1769         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1770 }
1771
1772 int
1773 count_win(struct workspace *ws, int count_transient)
1774 {
1775         struct ws_win           *win;
1776         int                     count = 0;
1777
1778         TAILQ_FOREACH(win, &ws->winlist, entry) {
1779                 if (count_transient == 0 && win->floating)
1780                         continue;
1781                 if (count_transient == 0 && win->transient)
1782                         continue;
1783                 if (win->iconic)
1784                         continue;
1785                 count++;
1786         }
1787         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1788
1789         return (count);
1790 }
1791
1792 void
1793 quit(struct swm_region *r, union arg *args)
1794 {
1795         DNPRINTF(SWM_D_MISC, "quit\n");
1796         running = 0;
1797 }
1798
1799 void
1800 unmap_window(struct ws_win *win)
1801 {
1802         if (win == NULL)
1803                 return;
1804
1805         /* don't unmap again */
1806         if (getstate(win->id) == IconicState)
1807                 return;
1808
1809         set_win_state(win, IconicState);
1810
1811         XUnmapWindow(display, win->id);
1812         XSetWindowBorder(display, win->id,
1813             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1814 }
1815
1816 void
1817 unmap_all(void)
1818 {
1819         struct ws_win           *win;
1820         int                     i, j;
1821
1822         for (i = 0; i < ScreenCount(display); i++)
1823                 for (j = 0; j < SWM_WS_MAX; j++)
1824                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1825                                 unmap_window(win);
1826 }
1827
1828 void
1829 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1830 {
1831         XKeyEvent event;
1832
1833         if (win == NULL)
1834                 return;
1835
1836         event.display = display;        /* Ignored, but what the hell */
1837         event.window = win->id;
1838         event.root = win->s->root;
1839         event.subwindow = None;
1840         event.time = CurrentTime;
1841         event.x = X(win);
1842         event.y = Y(win);
1843         event.x_root = 1;
1844         event.y_root = 1;
1845         event.same_screen = True;
1846         event.keycode = XKeysymToKeycode(display, keysym);
1847         event.state = modifiers;
1848
1849         event.type = KeyPress;
1850         XSendEvent(event.display, event.window, True,
1851             KeyPressMask, (XEvent *)&event);
1852
1853         event.type = KeyRelease;
1854         XSendEvent(event.display, event.window, True,
1855             KeyPressMask, (XEvent *)&event);
1856
1857 }
1858
1859 void
1860 restart(struct swm_region *r, union arg *args)
1861 {
1862         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1863
1864         /* disable alarm because the following code may not be interrupted */
1865         alarm(0);
1866         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1867                 err(1, "can't disable alarm");
1868
1869         bar_extra_stop();
1870         bar_extra = 1;
1871         unmap_all();
1872         XCloseDisplay(display);
1873         execvp(start_argv[0], start_argv);
1874         warn("execvp failed");
1875         quit(NULL, NULL);
1876 }
1877
1878 struct swm_region *
1879 root_to_region(Window root)
1880 {
1881         struct swm_region       *r = NULL;
1882         Window                  rr, cr;
1883         int                     i, x, y, wx, wy;
1884         unsigned int            mask;
1885
1886         for (i = 0; i < ScreenCount(display); i++)
1887                 if (screens[i].root == root)
1888                         break;
1889
1890         if (XQueryPointer(display, screens[i].root,
1891             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1892                 /* choose a region based on pointer location */
1893                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1894                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1895                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1896                                 break;
1897         }
1898
1899         if (r == NULL)
1900                 r = TAILQ_FIRST(&screens[i].rl);
1901
1902         return (r);
1903 }
1904
1905 struct ws_win *
1906 find_unmanaged_window(Window id)
1907 {
1908         struct ws_win           *win;
1909         int                     i, j;
1910
1911         for (i = 0; i < ScreenCount(display); i++)
1912                 for (j = 0; j < SWM_WS_MAX; j++)
1913                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1914                             entry)
1915                                 if (id == win->id)
1916                                         return (win);
1917         return (NULL);
1918 }
1919
1920 struct ws_win *
1921 find_window(Window id)
1922 {
1923         struct ws_win           *win;
1924         Window                  wrr, wpr, *wcr = NULL;
1925         int                     i, j;
1926         unsigned int            nc;
1927
1928         for (i = 0; i < ScreenCount(display); i++)
1929                 for (j = 0; j < SWM_WS_MAX; j++)
1930                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1931                                 if (id == win->id)
1932                                         return (win);
1933
1934         /* if we were looking for the parent return that window instead */
1935         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1936                 return (NULL);
1937         if (wcr)
1938                 XFree(wcr);
1939
1940         /* ignore not found and root */
1941         if (wpr == 0 || wrr == wpr)
1942                 return (NULL);
1943
1944         /* look for parent */
1945         for (i = 0; i < ScreenCount(display); i++)
1946                 for (j = 0; j < SWM_WS_MAX; j++)
1947                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1948                                 if (wpr == win->id)
1949                                         return (win);
1950
1951         return (NULL);
1952 }
1953
1954 void
1955 spawn(int ws_idx, union arg *args, int close_fd)
1956 {
1957         int                     fd;
1958         char                    *ret = NULL;
1959
1960         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1961
1962         if (display)
1963                 close(ConnectionNumber(display));
1964
1965         setenv("LD_PRELOAD", SWM_LIB, 1);
1966
1967         if (asprintf(&ret, "%d", ws_idx) == -1) {
1968                 warn("spawn: asprintf SWM_WS");
1969                 _exit(1);
1970         }
1971         setenv("_SWM_WS", ret, 1);
1972         free(ret);
1973         ret = NULL;
1974
1975         if (asprintf(&ret, "%d", getpid()) == -1) {
1976                 warn("spawn: asprintf _SWM_PID");
1977                 _exit(1);
1978         }
1979         setenv("_SWM_PID", ret, 1);
1980         free(ret);
1981         ret = NULL;
1982
1983         if (setsid() == -1) {
1984                 warn("spawn: setsid");
1985                 _exit(1);
1986         }
1987
1988         if (close_fd) {
1989                 /*
1990                  * close stdin and stdout to prevent interaction between apps
1991                  * and the baraction script
1992                  * leave stderr open to record errors
1993                 */
1994                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1995                         warn("spawn: open");
1996                         _exit(1);
1997                 }
1998                 dup2(fd, STDIN_FILENO);
1999                 dup2(fd, STDOUT_FILENO);
2000                 if (fd > 2)
2001                         close(fd);
2002         }
2003
2004         execvp(args->argv[0], args->argv);
2005
2006         warn("spawn: execvp");
2007         _exit(1);
2008 }
2009
2010 void
2011 spawnterm(struct swm_region *r, union arg *args)
2012 {
2013         DNPRINTF(SWM_D_MISC, "spawnterm\n");
2014
2015         if (fork() == 0) {
2016                 if (term_width)
2017                         setenv("_SWM_XTERM_FONTADJ", "", 1);
2018                 spawn(r->ws->idx, args, 1);
2019         }
2020 }
2021
2022 void
2023 kill_refs(struct ws_win *win)
2024 {
2025         int                     i, x;
2026         struct swm_region       *r;
2027         struct workspace        *ws;
2028
2029         if (win == NULL)
2030                 return;
2031
2032         for (i = 0; i < ScreenCount(display); i++)
2033                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2034                         for (x = 0; x < SWM_WS_MAX; x++) {
2035                                 ws = &r->s->ws[x];
2036                                 if (win == ws->focus)
2037                                         ws->focus = NULL;
2038                                 if (win == ws->focus_prev)
2039                                         ws->focus_prev = NULL;
2040                         }
2041 }
2042
2043 int
2044 validate_win(struct ws_win *testwin)
2045 {
2046         struct ws_win           *win;
2047         struct workspace        *ws;
2048         struct swm_region       *r;
2049         int                     i, x;
2050
2051         if (testwin == NULL)
2052                 return (0);
2053
2054         for (i = 0; i < ScreenCount(display); i++)
2055                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2056                         for (x = 0; x < SWM_WS_MAX; x++) {
2057                                 ws = &r->s->ws[x];
2058                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2059                                         if (win == testwin)
2060                                                 return (0);
2061                         }
2062         return (1);
2063 }
2064
2065 int
2066 validate_ws(struct workspace *testws)
2067 {
2068         struct swm_region       *r;
2069         struct workspace        *ws;
2070         int                     i, x;
2071
2072         /* validate all ws */
2073         for (i = 0; i < ScreenCount(display); i++)
2074                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2075                         for (x = 0; x < SWM_WS_MAX; x++) {
2076                                 ws = &r->s->ws[x];
2077                                 if (ws == testws)
2078                                         return (0);
2079                         }
2080         return (1);
2081 }
2082
2083 void
2084 unfocus_win(struct ws_win *win)
2085 {
2086         XEvent                  cne;
2087         Window                  none = None;
2088
2089         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2090
2091         if (win == NULL)
2092                 return;
2093         if (win->ws == NULL)
2094                 return;
2095
2096         if (validate_ws(win->ws))
2097                 return; /* XXX this gets hit with thunderbird, needs fixing */
2098
2099         if (win->ws->r == NULL)
2100                 return;
2101
2102         if (validate_win(win)) {
2103                 kill_refs(win);
2104                 return;
2105         }
2106
2107         if (win->ws->focus == win) {
2108                 win->ws->focus = NULL;
2109                 win->ws->focus_prev = win;
2110         }
2111
2112         if (validate_win(win->ws->focus)) {
2113                 kill_refs(win->ws->focus);
2114                 win->ws->focus = NULL;
2115         }
2116         if (validate_win(win->ws->focus_prev)) {
2117                 kill_refs(win->ws->focus_prev);
2118                 win->ws->focus_prev = NULL;
2119         }
2120
2121         /* drain all previous unfocus events */
2122         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2123                 ;
2124
2125         grabbuttons(win, 0);
2126         XSetWindowBorder(display, win->id,
2127             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2128
2129         XChangeProperty(display, win->s->root,
2130             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2131             PropModeReplace, (unsigned char *)&none,1);
2132 }
2133
2134 void
2135 unfocus_all(void)
2136 {
2137         struct ws_win           *win;
2138         int                     i, j;
2139
2140         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2141
2142         for (i = 0; i < ScreenCount(display); i++)
2143                 for (j = 0; j < SWM_WS_MAX; j++)
2144                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2145                                 unfocus_win(win);
2146 }
2147
2148 void
2149 focus_win(struct ws_win *win)
2150 {
2151         XEvent                  cne;
2152         Window                  cur_focus;
2153         int                     rr;
2154         struct ws_win           *cfw = NULL;
2155
2156
2157         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2158
2159         if (win == NULL)
2160                 return;
2161         if (win->ws == NULL)
2162                 return;
2163
2164         if (validate_ws(win->ws))
2165                 return; /* XXX this gets hit with thunderbird, needs fixing */
2166
2167         if (validate_win(win)) {
2168                 kill_refs(win);
2169                 return;
2170         }
2171
2172         if (validate_win(win)) {
2173                 kill_refs(win);
2174                 return;
2175         }
2176
2177         XGetInputFocus(display, &cur_focus, &rr);
2178         if ((cfw = find_window(cur_focus)) != NULL)
2179                 unfocus_win(cfw);
2180         else {
2181                 /* use larger hammer since the window was killed somehow */
2182                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2183                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2184                                 XSetWindowBorder(display, cfw->id,
2185                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2186         }
2187
2188         win->ws->focus = win;
2189
2190         if (win->ws->r != NULL) {
2191                 /* drain all previous focus events */
2192                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2193                         ;
2194
2195                 if (win->java == 0)
2196                         XSetInputFocus(display, win->id,
2197                             RevertToParent, CurrentTime);
2198                 grabbuttons(win, 1);
2199                 XSetWindowBorder(display, win->id,
2200                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2201                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2202                     win->ws->always_raise)
2203                         XMapRaised(display, win->id);
2204
2205                 XChangeProperty(display, win->s->root,
2206                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2207                     PropModeReplace, (unsigned char *)&win->id,1);
2208         }
2209
2210         if (window_name_enabled)
2211                 bar_update();
2212 }
2213
2214 void
2215 switchws(struct swm_region *r, union arg *args)
2216 {
2217         int                     wsid = args->id, unmap_old = 0;
2218         struct swm_region       *this_r, *other_r;
2219         struct ws_win           *win;
2220         struct workspace        *new_ws, *old_ws;
2221         union arg               a;
2222
2223         if (!(r && r->s))
2224                 return;
2225
2226         this_r = r;
2227         old_ws = this_r->ws;
2228         new_ws = &this_r->s->ws[wsid];
2229
2230         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2231             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2232
2233         if (new_ws == NULL || old_ws == NULL)
2234                 return;
2235         if (new_ws == old_ws)
2236                 return;
2237
2238         other_r = new_ws->r;
2239         if (other_r == NULL) {
2240                 /* the other workspace is hidden, hide this one */
2241                 old_ws->r = NULL;
2242                 unmap_old = 1;
2243         } else {
2244                 /* the other ws is visible in another region, exchange them */
2245                 other_r->ws_prior = new_ws;
2246                 other_r->ws = old_ws;
2247                 old_ws->r = other_r;
2248         }
2249         this_r->ws_prior = old_ws;
2250         this_r->ws = new_ws;
2251         new_ws->r = this_r;
2252
2253         /* this is needed so that we can click on a window after a restart */
2254         unfocus_all();
2255
2256         stack();
2257         a.id = SWM_ARG_ID_FOCUSCUR;
2258         focus(new_ws->r, &a);
2259
2260         bar_update();
2261
2262         /* unmap old windows */
2263         if (unmap_old)
2264                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2265                         unmap_window(win);
2266
2267         if (focus_mode == SWM_FOCUS_DEFAULT)
2268                 drain_enter_notify();
2269 }
2270
2271 void
2272 cyclews(struct swm_region *r, union arg *args)
2273 {
2274         union                   arg a;
2275         struct swm_screen       *s = r->s;
2276         int                     cycle_all = 0;
2277
2278         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2279             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2280
2281         a.id = r->ws->idx;
2282         do {
2283                 switch (args->id) {
2284                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2285                         cycle_all = 1;
2286                         /* FALLTHROUGH */
2287                 case SWM_ARG_ID_CYCLEWS_UP:
2288                         if (a.id < SWM_WS_MAX - 1)
2289                                 a.id++;
2290                         else
2291                                 a.id = 0;
2292                         break;
2293                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2294                         cycle_all = 1;
2295                         /* FALLTHROUGH */
2296                 case SWM_ARG_ID_CYCLEWS_DOWN:
2297                         if (a.id > 0)
2298                                 a.id--;
2299                         else
2300                                 a.id = SWM_WS_MAX - 1;
2301                         break;
2302                 default:
2303                         return;
2304                 };
2305
2306                 if (!cycle_all &&
2307                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2308                         continue;
2309                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2310                         continue;
2311
2312                 switchws(r, &a);
2313         } while (a.id != r->ws->idx);
2314 }
2315
2316 void
2317 priorws(struct swm_region *r, union arg *args)
2318 {
2319         union arg               a;
2320
2321         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2322             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2323
2324         if (r->ws_prior == NULL)
2325                 return;
2326
2327         a.id = r->ws_prior->idx;
2328         switchws(r, &a);
2329 }
2330
2331 void
2332 cyclescr(struct swm_region *r, union arg *args)
2333 {
2334         struct swm_region       *rr = NULL;
2335         union arg               a;
2336         int                     i, x, y;
2337
2338         /* do nothing if we don't have more than one screen */
2339         if (!(ScreenCount(display) > 1 || outputs > 1))
2340                 return;
2341
2342         i = r->s->idx;
2343         switch (args->id) {
2344         case SWM_ARG_ID_CYCLESC_UP:
2345                 rr = TAILQ_NEXT(r, entry);
2346                 if (rr == NULL)
2347                         rr = TAILQ_FIRST(&screens[i].rl);
2348                 break;
2349         case SWM_ARG_ID_CYCLESC_DOWN:
2350                 rr = TAILQ_PREV(r, swm_region_list, entry);
2351                 if (rr == NULL)
2352                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2353                 break;
2354         default:
2355                 return;
2356         };
2357         if (rr == NULL)
2358                 return;
2359
2360         /* move mouse to region */
2361         x = X(rr) + 1;
2362         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2363         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2364
2365         a.id = SWM_ARG_ID_FOCUSCUR;
2366         focus(rr, &a);
2367
2368         if (rr->ws->focus) {
2369                 /* move to focus window */
2370                 x = X(rr->ws->focus) + 1;
2371                 y = Y(rr->ws->focus) + 1;
2372                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2373         }
2374 }
2375
2376 void
2377 sort_windows(struct ws_win_list *wl)
2378 {
2379         struct ws_win           *win, *parent, *nxt;
2380
2381         if (wl == NULL)
2382                 return;
2383
2384         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2385                 nxt = TAILQ_NEXT(win, entry);
2386                 if (win->transient) {
2387                         parent = find_window(win->transient);
2388                         if (parent == NULL) {
2389                                 warnx("not possible bug");
2390                                 continue;
2391                         }
2392                         TAILQ_REMOVE(wl, win, entry);
2393                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2394                 }
2395         }
2396
2397 }
2398
2399 void
2400 swapwin(struct swm_region *r, union arg *args)
2401 {
2402         struct ws_win           *target, *source;
2403         struct ws_win           *cur_focus;
2404         struct ws_win_list      *wl;
2405
2406
2407         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2408             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2409
2410         cur_focus = r->ws->focus;
2411         if (cur_focus == NULL)
2412                 return;
2413
2414         source = cur_focus;
2415         wl = &source->ws->winlist;
2416
2417         switch (args->id) {
2418         case SWM_ARG_ID_SWAPPREV:
2419                 if (source->transient)
2420                         source = find_window(source->transient);
2421                 target = TAILQ_PREV(source, ws_win_list, entry);
2422                 if (target && target->transient)
2423                         target = find_window(target->transient);
2424                 TAILQ_REMOVE(wl, source, entry);
2425                 if (target == NULL)
2426                         TAILQ_INSERT_TAIL(wl, source, entry);
2427                 else
2428                         TAILQ_INSERT_BEFORE(target, source, entry);
2429                 break;
2430         case SWM_ARG_ID_SWAPNEXT:
2431                 target = TAILQ_NEXT(source, entry);
2432                 /* move the parent and let the sort handle the move */
2433                 if (source->transient)
2434                         source = find_window(source->transient);
2435                 TAILQ_REMOVE(wl, source, entry);
2436                 if (target == NULL)
2437                         TAILQ_INSERT_HEAD(wl, source, entry);
2438                 else
2439                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2440                 break;
2441         case SWM_ARG_ID_SWAPMAIN:
2442                 target = TAILQ_FIRST(wl);
2443                 if (target == source) {
2444                         if (source->ws->focus_prev != NULL &&
2445                             source->ws->focus_prev != target)
2446
2447                                 source = source->ws->focus_prev;
2448                         else
2449                                 return;
2450                 }
2451                 if (target == NULL || source == NULL)
2452                         return;
2453                 source->ws->focus_prev = target;
2454                 TAILQ_REMOVE(wl, target, entry);
2455                 TAILQ_INSERT_BEFORE(source, target, entry);
2456                 TAILQ_REMOVE(wl, source, entry);
2457                 TAILQ_INSERT_HEAD(wl, source, entry);
2458                 break;
2459         case SWM_ARG_ID_MOVELAST:
2460                 TAILQ_REMOVE(wl, source, entry);
2461                 TAILQ_INSERT_TAIL(wl, source, entry);
2462                 break;
2463         default:
2464                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2465                 return;
2466         }
2467
2468         sort_windows(wl);
2469
2470         stack();
2471 }
2472
2473 void
2474 focus_prev(struct ws_win *win)
2475 {
2476         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2477         struct ws_win           *cur_focus = NULL;
2478         struct ws_win_list      *wl = NULL;
2479         struct workspace        *ws = NULL;
2480
2481         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx\n", WINID(win));
2482
2483         if (!(win && win->ws))
2484                 return;
2485
2486         ws = win->ws;
2487         wl = &ws->winlist;
2488         cur_focus = ws->focus;
2489         winlostfocus = cur_focus;
2490
2491         /* pickle, just focus on whatever */
2492         if (cur_focus == NULL) {
2493                 /* use prev_focus if valid */
2494                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2495                     find_window(WINID(ws->focus_prev)))
2496                         winfocus = ws->focus_prev;
2497                 if (winfocus == NULL)
2498                         winfocus = TAILQ_FIRST(wl);
2499                 goto done;
2500         }
2501
2502         /* if transient focus on parent */
2503         if (cur_focus->transient) {
2504                 winfocus = find_window(cur_focus->transient);
2505                 goto done;
2506         }
2507
2508         /* if in max_stack try harder */
2509         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2510             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2511                 if (cur_focus != ws->focus_prev)
2512                         winfocus = ws->focus_prev;
2513                 else if (cur_focus != ws->focus)
2514                         winfocus = ws->focus;
2515                 else
2516                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2517                 if (winfocus)
2518                         goto done;
2519         }
2520
2521         if (cur_focus == win)
2522                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2523         if (winfocus == NULL)
2524                 winfocus = TAILQ_LAST(wl, ws_win_list);
2525         if (winfocus == NULL || winfocus == win)
2526                 winfocus = TAILQ_NEXT(cur_focus, entry);
2527 done:
2528         if (winfocus == winlostfocus || winfocus == NULL) {
2529                 /* update the bar so that title/class/name will be cleared. */
2530                 if (window_name_enabled || title_name_enabled ||
2531                     title_class_enabled)
2532                         bar_update();
2533                 return;
2534         }
2535
2536         focus_magic(winfocus);
2537 }
2538
2539 void
2540 focus(struct swm_region *r, union arg *args)
2541 {
2542         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2543         struct ws_win           *cur_focus = NULL;
2544         struct ws_win_list      *wl = NULL;
2545         struct workspace        *ws = NULL;
2546         int                     all_iconics;
2547
2548         if (!(r && r->ws))
2549                 return;
2550
2551         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2552
2553         /* treat FOCUS_CUR special */
2554         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2555                 if (r->ws->focus && r->ws->focus->iconic == 0)
2556                         winfocus = r->ws->focus;
2557                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2558                         winfocus = r->ws->focus_prev;
2559                 else
2560                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2561                                 if (winfocus->iconic == 0)
2562                                         break;
2563
2564                 focus_magic(winfocus);
2565                 return;
2566         }
2567
2568         if ((cur_focus = r->ws->focus) == NULL)
2569                 return;
2570         ws = r->ws;
2571         wl = &ws->winlist;
2572         if (TAILQ_EMPTY(wl))
2573                 return;
2574         /* make sure there is at least one uniconified window */
2575         all_iconics = 1;
2576         TAILQ_FOREACH(winfocus, wl, entry)
2577                 if (winfocus->iconic == 0) {
2578                         all_iconics = 0;
2579                         break;
2580                 }
2581         if (all_iconics)
2582                 return;
2583
2584         winlostfocus = cur_focus;
2585
2586         switch (args->id) {
2587         case SWM_ARG_ID_FOCUSPREV:
2588                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2589                 if (head == NULL)
2590                         head = TAILQ_LAST(wl, ws_win_list);
2591                 winfocus = head;
2592                 if (WINID(winfocus) == cur_focus->transient) {
2593                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2594                         if (head == NULL)
2595                                 head = TAILQ_LAST(wl, ws_win_list);
2596                         winfocus = head;
2597                 }
2598
2599                 /* skip iconics */
2600                 if (winfocus && winfocus->iconic) {
2601                         while (winfocus != cur_focus) {
2602                                 if (winfocus == NULL)
2603                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2604                                 if (winfocus->iconic == 0)
2605                                         break;
2606                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2607                                     entry);
2608                         }
2609                 }
2610                 break;
2611
2612         case SWM_ARG_ID_FOCUSNEXT:
2613                 head = TAILQ_NEXT(cur_focus, entry);
2614                 if (head == NULL)
2615                         head = TAILQ_FIRST(wl);
2616                 winfocus = head;
2617
2618                 /* skip iconics */
2619                 if (winfocus && winfocus->iconic) {
2620                         while (winfocus != cur_focus) {
2621                                 if (winfocus == NULL)
2622                                         winfocus = TAILQ_FIRST(wl);
2623                                 if (winfocus->iconic == 0)
2624                                         break;
2625                                 winfocus = TAILQ_NEXT(winfocus, entry);
2626                         }
2627                 }
2628                 break;
2629
2630         case SWM_ARG_ID_FOCUSMAIN:
2631                 winfocus = TAILQ_FIRST(wl);
2632                 if (winfocus == cur_focus)
2633                         winfocus = cur_focus->ws->focus_prev;
2634                 break;
2635
2636         default:
2637                 return;
2638         }
2639         if (winfocus == winlostfocus || winfocus == NULL) {
2640                 /* update the bar so that title/class/name will be cleared. */
2641                 if (window_name_enabled || title_name_enabled ||
2642                     title_class_enabled)
2643                         bar_update();
2644
2645                 return;
2646         }
2647
2648         focus_magic(winfocus);
2649 }
2650
2651 void
2652 cycle_layout(struct swm_region *r, union arg *args)
2653 {
2654         struct workspace        *ws = r->ws;
2655         union arg               a;
2656
2657         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2658
2659         ws->cur_layout++;
2660         if (ws->cur_layout->l_stack == NULL)
2661                 ws->cur_layout = &layouts[0];
2662
2663         stack();
2664         if (focus_mode == SWM_FOCUS_DEFAULT)
2665                 drain_enter_notify();
2666         a.id = SWM_ARG_ID_FOCUSCUR;
2667         focus(r, &a);
2668         bar_update();
2669 }
2670
2671 void
2672 stack_config(struct swm_region *r, union arg *args)
2673 {
2674         struct workspace        *ws = r->ws;
2675
2676         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2677             args->id, ws->idx);
2678
2679         if (ws->cur_layout->l_config != NULL)
2680                 ws->cur_layout->l_config(ws, args->id);
2681
2682         if (args->id != SWM_ARG_ID_STACKINIT)
2683                 stack();
2684         bar_update();
2685 }
2686
2687 void
2688 stack(void) {
2689         struct swm_geometry     g;
2690         struct swm_region       *r;
2691         int                     i;
2692 #ifdef SWM_DEBUG
2693         int j;
2694 #endif
2695
2696         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2697
2698         for (i = 0; i < ScreenCount(display); i++) {
2699 #ifdef SWM_DEBUG
2700                 j = 0;
2701 #endif
2702                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2703                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2704                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2705
2706                         /* start with screen geometry, adjust for bar */
2707                         g = r->g;
2708                         g.w -= 2 * border_width;
2709                         g.h -= 2 * border_width;
2710                         if (bar_enabled) {
2711                                 if (!bar_at_bottom)
2712                                         g.y += bar_height;
2713                                 g.h -= bar_height;
2714                         }
2715                         r->ws->cur_layout->l_stack(r->ws, &g);
2716                         r->ws->cur_layout->l_string(r->ws);
2717                         /* save r so we can track region changes */
2718                         r->ws->old_r = r;
2719                 }
2720         }
2721         if (font_adjusted)
2722                 font_adjusted--;
2723
2724         if (focus_mode == SWM_FOCUS_DEFAULT)
2725                 drain_enter_notify();
2726
2727         DNPRINTF(SWM_D_STACK, "stack: end\n");
2728 }
2729
2730 void
2731 store_float_geom(struct ws_win *win, struct swm_region *r)
2732 {
2733         /* retain window geom and region geom */
2734         win->g_float = win->g;
2735         win->rg_float = r->g;
2736         win->g_floatvalid = 1;
2737 }
2738
2739 void
2740 stack_floater(struct ws_win *win, struct swm_region *r)
2741 {
2742         unsigned int            mask;
2743         XWindowChanges          wc;
2744
2745         if (win == NULL)
2746                 return;
2747
2748         bzero(&wc, sizeof wc);
2749         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2750
2751         /*
2752          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2753          * geom on ws switches or return from max mode
2754          */
2755         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2756             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2757                 /*
2758                  * use stored g and rg to set relative position and size
2759                  * as in old region or before max stack mode
2760                  */
2761                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2762                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2763                 WIDTH(win) = win->g_float.w;
2764                 HEIGHT(win) = win->g_float.h;
2765                 win->g_floatvalid = 0;
2766         }
2767
2768         win->floatmaxed = 0;
2769
2770         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2771             (HEIGHT(win) >= HEIGHT(r)))
2772                 wc.border_width = 0;
2773         else
2774                 wc.border_width = border_width;
2775         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2776                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2777                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2778         }
2779
2780         if (!win->manual) {
2781                 /*
2782                  * floaters and transients are auto-centred unless moved
2783                  * or resized
2784                  */
2785                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2786                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2787         }
2788
2789         /* win can be outside r if new r smaller than old r */
2790         /* Ensure top left corner inside r (move probs otherwise) */
2791         if (X(win) < X(r) - wc.border_width)
2792                 X(win) = X(r) - wc.border_width;
2793         if (X(win) > X(r) + WIDTH(r) - 1)
2794                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2795                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2796         if (Y(win) < Y(r) - wc.border_width)
2797                 Y(win) = Y(r) - wc.border_width;
2798         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2799                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2800                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2801
2802         wc.x = X(win);
2803         wc.y = Y(win);
2804         wc.width = WIDTH(win);
2805         wc.height = HEIGHT(win);
2806
2807         /*
2808          * Retain floater and transient geometry for correct positioning
2809          * when ws changes region
2810          */
2811         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2812                 store_float_geom(win, r);
2813
2814         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
2815             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
2816
2817         XConfigureWindow(display, win->id, mask, &wc);
2818 }
2819
2820 /*
2821  * Send keystrokes to terminal to decrease/increase the font size as the
2822  * window size changes.
2823  */
2824 void
2825 adjust_font(struct ws_win *win)
2826 {
2827         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2828             win->floating || win->transient)
2829                 return;
2830
2831         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2832             WIDTH(win) / win->sh.width_inc < term_width &&
2833             win->font_steps < SWM_MAX_FONT_STEPS) {
2834                 win->font_size_boundary[win->font_steps] =
2835                     (win->sh.width_inc * term_width) + win->sh.base_width;
2836                 win->font_steps++;
2837                 font_adjusted++;
2838                 win->last_inc = win->sh.width_inc;
2839                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2840         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2841             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
2842                 win->font_steps--;
2843                 font_adjusted++;
2844                 win->last_inc = win->sh.width_inc;
2845                 fake_keypress(win, XK_KP_Add, ShiftMask);
2846         }
2847 }
2848
2849 #define SWAPXY(g)       do {                            \
2850         int tmp;                                        \
2851         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2852         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2853 } while (0)
2854 void
2855 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2856 {
2857         XWindowChanges          wc;
2858         XWindowAttributes       wa;
2859         struct swm_geometry     win_g, r_g = *g;
2860         struct ws_win           *win, *fs_win = 0;
2861         int                     i, j, s, stacks;
2862         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2863         int                     hrh, extra = 0, h_slice, last_h = 0;
2864         int                     split, colno, winno, mwin, msize, mscale;
2865         int                     remain, missing, v_slice, reconfigure;
2866         unsigned int            mask;
2867
2868         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
2869             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
2870
2871         winno = count_win(ws, 0);
2872         if (winno == 0 && count_win(ws, 1) == 0)
2873                 return;
2874
2875         TAILQ_FOREACH(win, &ws->winlist, entry)
2876                 if (win->transient == 0 && win->floating == 0
2877                     && win->iconic == 0)
2878                         break;
2879
2880         if (win == NULL)
2881                 goto notiles;
2882
2883         if (rot) {
2884                 w_inc = win->sh.width_inc;
2885                 w_base = win->sh.base_width;
2886                 mwin = ws->l_state.horizontal_mwin;
2887                 mscale = ws->l_state.horizontal_msize;
2888                 stacks = ws->l_state.horizontal_stacks;
2889                 SWAPXY(&r_g);
2890         } else {
2891                 w_inc = win->sh.height_inc;
2892                 w_base = win->sh.base_height;
2893                 mwin = ws->l_state.vertical_mwin;
2894                 mscale = ws->l_state.vertical_msize;
2895                 stacks = ws->l_state.vertical_stacks;
2896         }
2897         win_g = r_g;
2898
2899         if (stacks > winno - mwin)
2900                 stacks = winno - mwin;
2901         if (stacks < 1)
2902                 stacks = 1;
2903
2904         h_slice = r_g.h / SWM_H_SLICE;
2905         if (mwin && winno > mwin) {
2906                 v_slice = r_g.w / SWM_V_SLICE;
2907
2908                 split = mwin;
2909                 colno = split;
2910                 win_g.w = v_slice * mscale;
2911
2912                 if (w_inc > 1 && w_inc < v_slice) {
2913                         /* adjust for window's requested size increment */
2914                         remain = (win_g.w - w_base) % w_inc;
2915                         missing = w_inc - remain;
2916                         win_g.w -= remain;
2917                         extra += remain;
2918                 }
2919
2920                 msize = win_g.w;
2921                 if (flip)
2922                         win_g.x += r_g.w - msize;
2923         } else {
2924                 msize = -2;
2925                 colno = split = winno / stacks;
2926                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2927                     2 * border_width) / stacks);
2928         }
2929         hrh = r_g.h / colno;
2930         extra = r_g.h - (colno * hrh);
2931         win_g.h = hrh - 2 * border_width;
2932
2933         /*  stack all the tiled windows */
2934         i = j = 0, s = stacks;
2935         TAILQ_FOREACH(win, &ws->winlist, entry) {
2936                 if (win->transient != 0 || win->floating != 0)
2937                         continue;
2938                 if (win->iconic != 0)
2939                         continue;
2940
2941                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2942                         fs_win = win;
2943                         continue;
2944                 }
2945
2946                 if (split && i == split) {
2947                         colno = (winno - mwin) / stacks;
2948                         if (s <= (winno - mwin) % stacks)
2949                                 colno++;
2950                         split = split + colno;
2951                         hrh = (r_g.h / colno);
2952                         extra = r_g.h - (colno * hrh);
2953                         if (flip)
2954                                 win_g.x = r_g.x;
2955                         else
2956                                 win_g.x += win_g.w + 2 * border_width;
2957                         win_g.w = (r_g.w - msize -
2958                             (stacks * 2 * border_width)) / stacks;
2959                         if (s == 1)
2960                                 win_g.w += (r_g.w - msize -
2961                                     (stacks * 2 * border_width)) % stacks;
2962                         s--;
2963                         j = 0;
2964                 }
2965                 win_g.h = hrh - 2 * border_width;
2966                 if (rot) {
2967                         h_inc = win->sh.width_inc;
2968                         h_base = win->sh.base_width;
2969                 } else {
2970                         h_inc = win->sh.height_inc;
2971                         h_base = win->sh.base_height;
2972                 }
2973                 if (j == colno - 1) {
2974                         win_g.h = hrh + extra;
2975                 } else if (h_inc > 1 && h_inc < h_slice) {
2976                         /* adjust for window's requested size increment */
2977                         remain = (win_g.h - h_base) % h_inc;
2978                         missing = h_inc - remain;
2979
2980                         if (missing <= extra || j == 0) {
2981                                 extra -= missing;
2982                                 win_g.h += missing;
2983                         } else {
2984                                 win_g.h -= remain;
2985                                 extra += remain;
2986                         }
2987                 }
2988
2989                 if (j == 0)
2990                         win_g.y = r_g.y;
2991                 else
2992                         win_g.y += last_h + 2 * border_width;
2993
2994                 bzero(&wc, sizeof wc);
2995                 if (disable_border && bar_enabled == 0 && winno == 1){
2996                         wc.border_width = 0;
2997                         win_g.w += 2 * border_width;
2998                         win_g.h += 2 * border_width;
2999                 } else
3000                         wc.border_width = border_width;
3001                 reconfigure = 0;
3002                 if (rot) {
3003                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3004                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3005                                 reconfigure = 1;
3006                                 X(win) = wc.x = win_g.y;
3007                                 Y(win) = wc.y = win_g.x;
3008                                 WIDTH(win) = wc.width = win_g.h;
3009                                 HEIGHT(win) = wc.height = win_g.w;
3010                         }
3011                 } else {
3012                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3013                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3014                                 reconfigure = 1;
3015                                 X(win) = wc.x = win_g.x;
3016                                 Y(win) = wc.y = win_g.y;
3017                                 WIDTH(win) = wc.width = win_g.w;
3018                                 HEIGHT(win) = wc.height = win_g.h;
3019                         }
3020                 }
3021                 if (reconfigure) {
3022                         adjust_font(win);
3023                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3024                         XConfigureWindow(display, win->id, mask, &wc);
3025                 }
3026
3027                 if (XGetWindowAttributes(display, win->id, &wa))
3028                         if (wa.map_state == IsUnmapped)
3029                                 XMapRaised(display, win->id);
3030
3031                 last_h = win_g.h;
3032                 i++;
3033                 j++;
3034         }
3035
3036 notiles:
3037         /* now, stack all the floaters and transients */
3038         TAILQ_FOREACH(win, &ws->winlist, entry) {
3039                 if (win->transient == 0 && win->floating == 0)
3040                         continue;
3041                 if (win->iconic == 1)
3042                         continue;
3043                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3044                         fs_win = win;
3045                         continue;
3046                 }
3047
3048                 stack_floater(win, ws->r);
3049                 XMapRaised(display, win->id);
3050         }
3051
3052         if (fs_win) {
3053                 stack_floater(fs_win, ws->r);
3054                 XMapRaised(display, fs_win->id);
3055         }
3056 }
3057
3058 void
3059 vertical_config(struct workspace *ws, int id)
3060 {
3061         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3062             id, ws->idx);
3063
3064         switch (id) {
3065         case SWM_ARG_ID_STACKRESET:
3066         case SWM_ARG_ID_STACKINIT:
3067                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3068                 ws->l_state.vertical_mwin = 1;
3069                 ws->l_state.vertical_stacks = 1;
3070                 break;
3071         case SWM_ARG_ID_MASTERSHRINK:
3072                 if (ws->l_state.vertical_msize > 1)
3073                         ws->l_state.vertical_msize--;
3074                 break;
3075         case SWM_ARG_ID_MASTERGROW:
3076                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3077                         ws->l_state.vertical_msize++;
3078                 break;
3079         case SWM_ARG_ID_MASTERADD:
3080                 ws->l_state.vertical_mwin++;
3081                 break;
3082         case SWM_ARG_ID_MASTERDEL:
3083                 if (ws->l_state.vertical_mwin > 0)
3084                         ws->l_state.vertical_mwin--;
3085                 break;
3086         case SWM_ARG_ID_STACKINC:
3087                 ws->l_state.vertical_stacks++;
3088                 break;
3089         case SWM_ARG_ID_STACKDEC:
3090                 if (ws->l_state.vertical_stacks > 1)
3091                         ws->l_state.vertical_stacks--;
3092                 break;
3093         default:
3094                 return;
3095         }
3096 }
3097
3098 void
3099 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3100 {
3101         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3102
3103         stack_master(ws, g, 0, 0);
3104 }
3105
3106 void
3107 horizontal_config(struct workspace *ws, int id)
3108 {
3109         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3110
3111         switch (id) {
3112         case SWM_ARG_ID_STACKRESET:
3113         case SWM_ARG_ID_STACKINIT:
3114                 ws->l_state.horizontal_mwin = 1;
3115                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3116                 ws->l_state.horizontal_stacks = 1;
3117                 break;
3118         case SWM_ARG_ID_MASTERSHRINK:
3119                 if (ws->l_state.horizontal_msize > 1)
3120                         ws->l_state.horizontal_msize--;
3121                 break;
3122         case SWM_ARG_ID_MASTERGROW:
3123                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3124                         ws->l_state.horizontal_msize++;
3125                 break;
3126         case SWM_ARG_ID_MASTERADD:
3127                 ws->l_state.horizontal_mwin++;
3128                 break;
3129         case SWM_ARG_ID_MASTERDEL:
3130                 if (ws->l_state.horizontal_mwin > 0)
3131                         ws->l_state.horizontal_mwin--;
3132                 break;
3133         case SWM_ARG_ID_STACKINC:
3134                 ws->l_state.horizontal_stacks++;
3135                 break;
3136         case SWM_ARG_ID_STACKDEC:
3137                 if (ws->l_state.horizontal_stacks > 1)
3138                         ws->l_state.horizontal_stacks--;
3139                 break;
3140         default:
3141                 return;
3142         }
3143 }
3144
3145 void
3146 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3147 {
3148         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3149
3150         stack_master(ws, g, 1, 0);
3151 }
3152
3153 /* fullscreen view */
3154 void
3155 max_stack(struct workspace *ws, struct swm_geometry *g)
3156 {
3157         XWindowChanges          wc;
3158         struct swm_geometry     gg = *g;
3159         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3160         unsigned int            mask;
3161         int                     winno;
3162
3163         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3164
3165         if (ws == NULL)
3166                 return;
3167
3168         winno = count_win(ws, 0);
3169         if (winno == 0 && count_win(ws, 1) == 0)
3170                 return;
3171
3172         TAILQ_FOREACH(win, &ws->winlist, entry) {
3173                 if (win->transient) {
3174                         wintrans = win;
3175                         parent = find_window(win->transient);
3176                         continue;
3177                 }
3178
3179                 if (win->floating && win->floatmaxed == 0 ) {
3180                         /*
3181                          * retain geometry for retrieval on exit from
3182                          * max_stack mode
3183                          */
3184                         store_float_geom(win, ws->r);
3185                         win->floatmaxed = 1;
3186                 }
3187
3188                 /* only reconfigure if necessary */
3189                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3190                     HEIGHT(win) != gg.h) {
3191                         bzero(&wc, sizeof wc);
3192                         X(win) = wc.x = gg.x;
3193                         Y(win) = wc.y = gg.y;
3194                         if (bar_enabled){
3195                                 wc.border_width = border_width;
3196                                 WIDTH(win) = wc.width = gg.w;
3197                                 HEIGHT(win) = wc.height = gg.h;
3198                         } else {
3199                                 wc.border_width = 0;
3200                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3201                                 HEIGHT(win) = wc.height = gg.h +
3202                                     2 * border_width;
3203                         }
3204                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3205                         XConfigureWindow(display, win->id, mask, &wc);
3206                 }
3207                 /* unmap only if we don't have multi screen */
3208                 if (win != ws->focus)
3209                         if (!(ScreenCount(display) > 1 || outputs > 1))
3210                                 unmap_window(win);
3211         }
3212
3213         /* put the last transient on top */
3214         if (wintrans) {
3215                 if (parent)
3216                         XMapRaised(display, parent->id);
3217                 stack_floater(wintrans, ws->r);
3218                 focus_magic(wintrans);
3219         }
3220 }
3221
3222 void
3223 send_to_ws(struct swm_region *r, union arg *args)
3224 {
3225         int                     wsid = args->id;
3226         struct ws_win           *win = NULL, *parent;
3227         struct workspace        *ws, *nws;
3228         Atom                    ws_idx_atom = 0;
3229         unsigned char           ws_idx_str[SWM_PROPLEN];
3230         union arg               a;
3231
3232         if (r && r->ws && r->ws->focus)
3233                 win = r->ws->focus;
3234         else
3235                 return;
3236         if (win == NULL)
3237                 return;
3238         if (win->ws->idx == wsid)
3239                 return;
3240
3241         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3242
3243         ws = win->ws;
3244         nws = &win->s->ws[wsid];
3245
3246         a.id = SWM_ARG_ID_FOCUSPREV;
3247         focus(r, &a);
3248         if (win->transient) {
3249                 parent = find_window(win->transient);
3250                 if (parent) {
3251                         unmap_window(parent);
3252                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3253                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3254                         parent->ws = nws;
3255                 }
3256         }
3257         unmap_window(win);
3258         TAILQ_REMOVE(&ws->winlist, win, entry);
3259         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3260         if (TAILQ_EMPTY(&ws->winlist))
3261                 r->ws->focus = NULL;
3262         win->ws = nws;
3263
3264         /* Try to update the window's workspace property */
3265         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3266         if (ws_idx_atom &&
3267             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3268                 SWM_PROPLEN) {
3269                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3270                     ws_idx_str);
3271                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3272                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3273         }
3274
3275         stack();
3276 }
3277
3278 void
3279 pressbutton(struct swm_region *r, union arg *args)
3280 {
3281         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3282         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3283 }
3284
3285 void
3286 raise_toggle(struct swm_region *r, union arg *args)
3287 {
3288         if (r && r->ws == NULL)
3289                 return;
3290
3291         r->ws->always_raise = !r->ws->always_raise;
3292
3293         /* bring floaters back to top */
3294         if (r->ws->always_raise == 0)
3295                 stack();
3296 }
3297
3298 void
3299 iconify(struct swm_region *r, union arg *args)
3300 {
3301         union arg a;
3302
3303         if (r->ws->focus == NULL)
3304                 return;
3305         unmap_window(r->ws->focus);
3306         update_iconic(r->ws->focus, 1);
3307         stack();
3308         if (focus_mode == SWM_FOCUS_DEFAULT)
3309                 drain_enter_notify();
3310         r->ws->focus = NULL;
3311         a.id = SWM_ARG_ID_FOCUSCUR;
3312         focus(r, &a);
3313 }
3314
3315 unsigned char *
3316 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3317     unsigned long *slen)
3318 {
3319         int                     status, retfmt;
3320         unsigned long           nitems, nbytes, nextra;
3321         unsigned char           *prop = NULL;
3322         Atom                    rettype;
3323
3324         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3325             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3326         if (status != Success)
3327                 return (NULL);
3328         XFree(prop);
3329
3330         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3331             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3332         if (status != Success) {
3333                 XFree(prop);
3334                 return (NULL);
3335         }
3336         if (rettype != stype) {
3337                 XFree(prop);
3338                 return (NULL);
3339         }
3340         *slen = nitems;
3341         return (prop);
3342 }
3343
3344 void
3345 uniconify(struct swm_region *r, union arg *args)
3346 {
3347         struct ws_win           *win;
3348         FILE                    *lfile;
3349         unsigned char           *name;
3350         int                     count = 0;
3351         unsigned long           len;
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(display, win->id, a_netwmname,
3384                     a_utf8_string, &len);
3385                 if (name == NULL)
3386                         continue;
3387                 fprintf(lfile, "%s.%lu\n", name, win->id);
3388                 XFree(name);
3389         }
3390
3391         fclose(lfile);
3392 }
3393
3394 void
3395 name_workspace(struct swm_region *r, union arg *args)
3396 {
3397         FILE                    *lfile;
3398
3399         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3400
3401         if (r == NULL)
3402                 return;
3403
3404         search_r = r;
3405         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3406
3407         spawn_select(r, args, "name_workspace", &searchpid);
3408
3409         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3410                 return;
3411
3412         fprintf(lfile, "%s", "");
3413         fclose(lfile);
3414 }
3415
3416 void
3417 search_workspace(struct swm_region *r, union arg *args)
3418 {
3419         int                     i;
3420         struct workspace        *ws;
3421         FILE                    *lfile;
3422
3423         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3424
3425         if (r == NULL)
3426                 return;
3427
3428         search_r = r;
3429         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3430
3431         spawn_select(r, args, "search", &searchpid);
3432
3433         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3434                 return;
3435
3436         for (i = 0; i < SWM_WS_MAX; i++) {
3437                 ws = &r->s->ws[i];
3438                 if (ws == NULL)
3439                         continue;
3440                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3441                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3442         }
3443
3444         fclose(lfile);
3445 }
3446
3447 void
3448 search_win_cleanup(void)
3449 {
3450         struct search_window    *sw = NULL;
3451
3452         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3453                 XDestroyWindow(display, sw->indicator);
3454                 XFreeGC(display, sw->gc);
3455                 TAILQ_REMOVE(&search_wl, sw, entry);
3456                 free(sw);
3457         }
3458 }
3459
3460 void
3461 search_win(struct swm_region *r, union arg *args)
3462 {
3463         struct ws_win           *win = NULL;
3464         struct search_window    *sw = NULL;
3465         Window                  w;
3466         XGCValues               gcv;
3467         int                     i;
3468         char                    s[8];
3469         FILE                    *lfile;
3470         size_t                  len;
3471         XRectangle              ibox, lbox;
3472
3473         DNPRINTF(SWM_D_MISC, "search_win\n");
3474
3475         search_r = r;
3476         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3477
3478         spawn_select(r, args, "search", &searchpid);
3479
3480         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3481                 return;
3482
3483         TAILQ_INIT(&search_wl);
3484
3485         i = 1;
3486         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3487                 if (win->iconic == 1)
3488                         continue;
3489
3490                 sw = calloc(1, sizeof(struct search_window));
3491                 if (sw == NULL) {
3492                         warn("search_win: calloc");
3493                         fclose(lfile);
3494                         search_win_cleanup();
3495                         return;
3496                 }
3497                 sw->idx = i;
3498                 sw->win = win;
3499
3500                 snprintf(s, sizeof s, "%d", i);
3501                 len = strlen(s);
3502
3503                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3504
3505                 w = XCreateSimpleWindow(display,
3506                     win->id, 0, 0,lbox.width + 4,
3507                     bar_fs_extents->max_logical_extent.height, 1,
3508                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3509                     r->s->c[SWM_S_COLOR_FOCUS].color);
3510
3511                 sw->indicator = w;
3512                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3513
3514                 sw->gc = XCreateGC(display, w, 0, &gcv);
3515                 XMapRaised(display, w);
3516                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3517
3518                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3519                     (bar_fs_extents->max_logical_extent.height -
3520                     lbox.height) / 2 - lbox.y, s, len);
3521
3522                 fprintf(lfile, "%d\n", i);
3523                 i++;
3524         }
3525
3526         fclose(lfile);
3527 }
3528
3529 void
3530 search_resp_uniconify(char *resp, unsigned long len)
3531 {
3532         unsigned char           *name;
3533         struct ws_win           *win;
3534         char                    *s;
3535
3536         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3537
3538         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3539                 if (win->iconic == 0)
3540                         continue;
3541                 name = get_win_name(display, win->id, a_netwmname,
3542                     a_utf8_string, &len);
3543                 if (name == NULL)
3544                         continue;
3545                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3546                         XFree(name);
3547                         continue;
3548                 }
3549                 XFree(name);
3550                 if (strncmp(s, resp, len) == 0) {
3551                         /* XXX this should be a callback to generalize */
3552                         update_iconic(win, 0);
3553                         free(s);
3554                         break;
3555                 }
3556                 free(s);
3557         }
3558 }
3559
3560 void
3561 search_resp_name_workspace(char *resp, unsigned long len)
3562 {
3563         struct workspace        *ws;
3564
3565         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3566
3567         if (search_r->ws == NULL)
3568                 return;
3569         ws = search_r->ws;
3570
3571         if (ws->name) {
3572                 free(search_r->ws->name);
3573                 search_r->ws->name = NULL;
3574         }
3575
3576         if (len > 1) {
3577                 ws->name = strdup(resp);
3578                 if (ws->name == NULL) {
3579                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3580                             "strdup: %s", strerror(errno));
3581                         return;
3582                 }
3583         }
3584 }
3585
3586 void
3587 search_resp_search_workspace(char *resp, unsigned long len)
3588 {
3589         char                    *p, *q;
3590         int                     ws_idx;
3591         const char              *errstr;
3592         union arg               a;
3593
3594         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3595
3596         q = strdup(resp);
3597         if (!q) {
3598                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3599                     strerror(errno));
3600                 return;
3601         }
3602         p = strchr(q, ':');
3603         if (p != NULL)
3604                 *p = '\0';
3605         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3606         if (errstr) {
3607                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3608                     errstr, q);
3609                 free(q);
3610                 return;
3611         }
3612         free(q);
3613         a.id = ws_idx - 1;
3614         switchws(search_r, &a);
3615 }
3616
3617 void
3618 search_resp_search_window(char *resp, unsigned long len)
3619 {
3620         char                    *s;
3621         int                     idx;
3622         const char              *errstr;
3623         struct search_window    *sw;
3624
3625         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3626
3627         s = strdup(resp);
3628         if (!s) {
3629                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3630                     strerror(errno));
3631                 return;
3632         }
3633
3634         idx = strtonum(s, 1, INT_MAX, &errstr);
3635         if (errstr) {
3636                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3637                     errstr, s);
3638                 free(s);
3639                 return;
3640         }
3641         free(s);
3642
3643         TAILQ_FOREACH(sw, &search_wl, entry)
3644                 if (idx == sw->idx) {
3645                         focus_win(sw->win);
3646                         break;
3647                 }
3648 }
3649
3650 #define MAX_RESP_LEN    1024
3651
3652 void
3653 search_do_resp(void)
3654 {
3655         ssize_t                 rbytes;
3656         char                    *resp;
3657         unsigned long           len;
3658
3659         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3660
3661         search_resp = 0;
3662         searchpid = 0;
3663
3664         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3665                 warn("search: calloc");
3666                 goto done;
3667         }
3668
3669         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3670         if (rbytes <= 0) {
3671                 warn("search: read error");
3672                 goto done;
3673         }
3674         resp[rbytes] = '\0';
3675
3676         /* XXX:
3677          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3678          * newline, so work around that by sanitizing the resp now.
3679          */
3680         resp[strcspn(resp, "\n")] = '\0';
3681         len = strlen(resp);
3682
3683         switch (search_resp_action) {
3684         case SWM_SEARCH_UNICONIFY:
3685                 search_resp_uniconify(resp, len);
3686                 break;
3687         case SWM_SEARCH_NAME_WORKSPACE:
3688                 search_resp_name_workspace(resp, len);
3689                 break;
3690         case SWM_SEARCH_SEARCH_WORKSPACE:
3691                 search_resp_search_workspace(resp, len);
3692                 break;
3693         case SWM_SEARCH_SEARCH_WINDOW:
3694                 search_resp_search_window(resp, len);
3695                 break;
3696         }
3697
3698 done:
3699         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3700                 search_win_cleanup();
3701
3702         search_resp_action = SWM_SEARCH_NONE;
3703         close(select_resp_pipe[0]);
3704         free(resp);
3705 }
3706
3707 void
3708 wkill(struct swm_region *r, union arg *args)
3709 {
3710         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3711
3712         if (r->ws->focus == NULL)
3713                 return;
3714
3715         if (args->id == SWM_ARG_ID_KILLWINDOW)
3716                 XKillClient(display, r->ws->focus->id);
3717         else
3718                 if (r->ws->focus->can_delete)
3719                         client_msg(r->ws->focus, adelete);
3720 }
3721
3722
3723 int
3724 floating_toggle_win(struct ws_win *win)
3725 {
3726         struct swm_region       *r;
3727
3728         if (win == NULL)
3729                 return 0;
3730
3731         if (!win->ws->r)
3732                 return 0;
3733
3734         r = win->ws->r;
3735
3736         /* reject floating toggles in max stack mode */
3737         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3738                 return 0;
3739
3740         if (win->floating) {
3741                 if (!win->floatmaxed) {
3742                         /* retain position for refloat */
3743                         store_float_geom(win, r);
3744                 }
3745                 win->floating = 0;
3746         } else {
3747                 if (win->g_floatvalid) {
3748                         /* refloat at last floating relative position */
3749                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3750                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3751                         WIDTH(win) = win->g_float.w;
3752                         HEIGHT(win) = win->g_float.h;
3753                 }
3754                 win->floating = 1;
3755         }
3756
3757         ewmh_update_actions(win);
3758
3759         return 1;
3760 }
3761
3762 void
3763 floating_toggle(struct swm_region *r, union arg *args)
3764 {
3765         struct ws_win           *win = r->ws->focus;
3766         union arg               a;
3767
3768         if (win == NULL)
3769                 return;
3770
3771         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3772             _NET_WM_STATE_TOGGLE);
3773
3774         stack();
3775         if (focus_mode == SWM_FOCUS_DEFAULT)
3776                 drain_enter_notify();
3777
3778         if (win == win->ws->focus) {
3779                 a.id = SWM_ARG_ID_FOCUSCUR;
3780                 focus(win->ws->r, &a);
3781         }
3782 }
3783
3784 void
3785 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3786 {
3787         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3788                 if (resizable)
3789                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3790                 else
3791                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3792         }
3793
3794         if (X(win) < X(r) - border_width) {
3795                 if (resizable)
3796                         WIDTH(win) -= X(r) - X(win) - border_width;
3797
3798                 X(win) = X(r) - border_width;
3799         }
3800
3801         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
3802                 if (resizable)
3803                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
3804                 else
3805                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
3806         }
3807
3808         if (Y(win) < Y(r) - border_width) {
3809                 if (resizable)
3810                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
3811
3812                 Y(win) = Y(r) - border_width;
3813         }
3814
3815         if (WIDTH(win) < 1)
3816                 WIDTH(win) = 1;
3817         if (HEIGHT(win) < 1)
3818                 HEIGHT(win) = 1;
3819 }
3820
3821 void
3822 update_window(struct ws_win *win)
3823 {
3824         unsigned int            mask;
3825         XWindowChanges          wc;
3826
3827         bzero(&wc, sizeof wc);
3828         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
3829         wc.border_width = border_width;
3830         wc.x = X(win);
3831         wc.y = Y(win);
3832         wc.width = WIDTH(win);
3833         wc.height = HEIGHT(win);
3834
3835         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
3836             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3837
3838         XConfigureWindow(display, win->id, mask, &wc);
3839 }
3840
3841 #define SWM_RESIZE_STEPS        (50)
3842
3843 void
3844 resize(struct ws_win *win, union arg *args)
3845 {
3846         XEvent                  ev;
3847         Time                    time = 0;
3848         struct swm_region       *r = NULL;
3849         int                     resize_step = 0;
3850         Window                  rr, cr;
3851         int                     x, y, wx, wy;
3852         unsigned int            mask;
3853         struct swm_geometry     g;
3854         int                     top = 0, left = 0;
3855         int                     dx, dy;
3856         Cursor                  cursor;
3857         unsigned int            shape; /* cursor style */
3858
3859         if (win == NULL)
3860                 return;
3861         r = win->ws->r;
3862
3863         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
3864             "transient: 0x%lx\n", win->id, YESNO(win->floating),
3865             win->transient);
3866
3867         if (!(win->transient != 0 || win->floating != 0))
3868                 return;
3869
3870         /* reject resizes in max mode for floaters (transient ok) */
3871         if (win->floatmaxed)
3872                 return;
3873
3874         win->manual = 1;
3875         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3876             _NET_WM_STATE_ADD);
3877
3878         stack();
3879
3880         switch (args->id) {
3881         case SWM_ARG_ID_WIDTHSHRINK:
3882                 WIDTH(win) -= SWM_RESIZE_STEPS;
3883                 resize_step = 1;
3884                 break;
3885         case SWM_ARG_ID_WIDTHGROW:
3886                 WIDTH(win) += SWM_RESIZE_STEPS;
3887                 resize_step = 1;
3888                 break;
3889         case SWM_ARG_ID_HEIGHTSHRINK:
3890                 HEIGHT(win) -= SWM_RESIZE_STEPS;
3891                 resize_step = 1;
3892                 break;
3893         case SWM_ARG_ID_HEIGHTGROW:
3894                 HEIGHT(win) += SWM_RESIZE_STEPS;
3895                 resize_step = 1;
3896                 break;
3897         default:
3898                 break;
3899         }
3900         if (resize_step) {
3901                 constrain_window(win, r, 1);
3902                 update_window(win);
3903                 store_float_geom(win,r);
3904                 return;
3905         }
3906
3907         if (focus_mode == SWM_FOCUS_DEFAULT)
3908                 drain_enter_notify();
3909
3910         /* get cursor offset from window root */
3911         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
3912             return;
3913
3914         g = win->g;
3915
3916         if (wx < WIDTH(win) / 2)
3917                 left = 1;
3918
3919         if (wy < HEIGHT(win) / 2)
3920                 top = 1;
3921
3922         if (args->id == SWM_ARG_ID_CENTER)
3923                 shape = XC_sizing;
3924         else if (top)
3925                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
3926         else
3927                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
3928
3929         cursor = XCreateFontCursor(display, shape);
3930
3931         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3932             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
3933                 XFreeCursor(display, cursor);
3934                 return;
3935         }
3936
3937         do {
3938                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3939                     SubstructureRedirectMask, &ev);
3940                 switch (ev.type) {
3941                 case ConfigureRequest:
3942                 case Expose:
3943                 case MapRequest:
3944                         handler[ev.type](&ev);
3945                         break;
3946                 case MotionNotify:
3947                         /* cursor offset/delta from start of the operation */
3948                         dx = ev.xmotion.x_root - x;
3949                         dy = ev.xmotion.y_root - y;
3950
3951                         /* vertical */
3952                         if (top)
3953                                 dy = -dy;
3954
3955                         if (args->id == SWM_ARG_ID_CENTER) {
3956                                 if (g.h / 2 + dy < 1)
3957                                         dy = 1 - g.h / 2;
3958
3959                                 Y(win) = g.y - dy;
3960                                 HEIGHT(win) = g.h + 2 * dy;
3961                         } else {
3962                                 if (g.h + dy < 1)
3963                                         dy = 1 - g.h;
3964
3965                                 if (top)
3966                                         Y(win) = g.y - dy;
3967
3968                                 HEIGHT(win) = g.h + dy;
3969                         }
3970
3971                         /* horizontal */
3972                         if (left)
3973                                 dx = -dx;
3974
3975                         if (args->id == SWM_ARG_ID_CENTER) {
3976                                 if (g.w / 2 + dx < 1)
3977                                         dx = 1 - g.w / 2;
3978
3979                                 X(win) = g.x - dx;
3980                                 WIDTH(win) = g.w + 2 * dx;
3981                         } else {
3982                                 if (g.w + dx < 1)
3983                                         dx = 1 - g.w;
3984
3985                                 if (left)
3986                                         X(win) = g.x - dx;
3987
3988                                 WIDTH(win) = g.w + dx;
3989                         }
3990
3991                         constrain_window(win, r, 1);
3992
3993                         /* not free, don't sync more than 120 times / second */
3994                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3995                                 time = ev.xmotion.time;
3996                                 XSync(display, False);
3997                                 update_window(win);
3998                         }
3999                         break;
4000                 }
4001         } while (ev.type != ButtonRelease);
4002         if (time) {
4003                 XSync(display, False);
4004                 update_window(win);
4005         }
4006         store_float_geom(win,r);
4007
4008         XUngrabPointer(display, CurrentTime);
4009         XFreeCursor(display, cursor);
4010
4011         /* drain events */
4012         drain_enter_notify();
4013 }
4014
4015 void
4016 resize_step(struct swm_region *r, union arg *args)
4017 {
4018         struct ws_win           *win = NULL;
4019
4020         if (r && r->ws && r->ws->focus)
4021                 win = r->ws->focus;
4022         else
4023                 return;
4024
4025         resize(win, args);
4026 }
4027
4028 #define SWM_MOVE_STEPS  (50)
4029
4030 void
4031 move(struct ws_win *win, union arg *args)
4032 {
4033         XEvent                  ev;
4034         Time                    time = 0;
4035         int                     move_step = 0;
4036         struct swm_region       *r = NULL;
4037
4038         Window                  rr, cr;
4039         int                     x, y, wx, wy;
4040         unsigned int            mask;
4041
4042         if (win == NULL)
4043                 return;
4044         r = win->ws->r;
4045
4046         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4047             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4048
4049         /* in max_stack mode should only move transients */
4050         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4051                 return;
4052
4053         win->manual = 1;
4054         if (win->floating == 0 && !win->transient) {
4055                 store_float_geom(win,r);
4056                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4057                     _NET_WM_STATE_ADD);
4058         }
4059         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4060             _NET_WM_STATE_ADD);
4061
4062         stack();
4063
4064         move_step = 0;
4065         switch (args->id) {
4066         case SWM_ARG_ID_MOVELEFT:
4067                 X(win) -= (SWM_MOVE_STEPS - border_width);
4068                 move_step = 1;
4069                 break;
4070         case SWM_ARG_ID_MOVERIGHT:
4071                 X(win) += (SWM_MOVE_STEPS - border_width);
4072                 move_step = 1;
4073                 break;
4074         case SWM_ARG_ID_MOVEUP:
4075                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4076                 move_step = 1;
4077                 break;
4078         case SWM_ARG_ID_MOVEDOWN:
4079                 Y(win) += (SWM_MOVE_STEPS - border_width);
4080                 move_step = 1;
4081                 break;
4082         default:
4083                 break;
4084         }
4085         if (move_step) {
4086                 constrain_window(win, r, 0);
4087                 update_window(win);
4088                 store_float_geom(win, r);
4089                 return;
4090         }
4091
4092         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4093             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4094             CurrentTime) != GrabSuccess)
4095                 return;
4096
4097         /* get cursor offset from window root */
4098         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4099             return;
4100
4101         do {
4102                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4103                     SubstructureRedirectMask, &ev);
4104                 switch (ev.type) {
4105                 case ConfigureRequest:
4106                 case Expose:
4107                 case MapRequest:
4108                         handler[ev.type](&ev);
4109                         break;
4110                 case MotionNotify:
4111                         X(win) = ev.xmotion.x_root - wx - border_width;
4112                         Y(win) = ev.xmotion.y_root - wy - border_width;
4113
4114                         constrain_window(win, r, 0);
4115
4116                         /* not free, don't sync more than 120 times / second */
4117                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4118                                 time = ev.xmotion.time;
4119                                 XSync(display, False);
4120                                 update_window(win);
4121                         }
4122                         break;
4123                 }
4124         } while (ev.type != ButtonRelease);
4125         if (time) {
4126                 XSync(display, False);
4127                 update_window(win);
4128         }
4129         store_float_geom(win,r);
4130         XUngrabPointer(display, CurrentTime);
4131
4132         /* drain events */
4133         drain_enter_notify();
4134 }
4135
4136 void
4137 move_step(struct swm_region *r, union arg *args)
4138 {
4139         struct ws_win           *win = NULL;
4140
4141         if (r && r->ws && r->ws->focus)
4142                 win = r->ws->focus;
4143         else
4144                 return;
4145
4146         if (!(win->transient != 0 || win->floating != 0))
4147                 return;
4148
4149         move(win, args);
4150 }
4151
4152
4153 /* user/key callable function IDs */
4154 enum keyfuncid {
4155         kf_cycle_layout,
4156         kf_stack_reset,
4157         kf_master_shrink,
4158         kf_master_grow,
4159         kf_master_add,
4160         kf_master_del,
4161         kf_stack_inc,
4162         kf_stack_dec,
4163         kf_swap_main,
4164         kf_focus_next,
4165         kf_focus_prev,
4166         kf_swap_next,
4167         kf_swap_prev,
4168         kf_spawn_term,
4169         kf_spawn_menu,
4170         kf_quit,
4171         kf_restart,
4172         kf_focus_main,
4173         kf_ws_1,
4174         kf_ws_2,
4175         kf_ws_3,
4176         kf_ws_4,
4177         kf_ws_5,
4178         kf_ws_6,
4179         kf_ws_7,
4180         kf_ws_8,
4181         kf_ws_9,
4182         kf_ws_10,
4183         kf_ws_next,
4184         kf_ws_prev,
4185         kf_ws_next_all,
4186         kf_ws_prev_all,
4187         kf_ws_prior,
4188         kf_screen_next,
4189         kf_screen_prev,
4190         kf_mvws_1,
4191         kf_mvws_2,
4192         kf_mvws_3,
4193         kf_mvws_4,
4194         kf_mvws_5,
4195         kf_mvws_6,
4196         kf_mvws_7,
4197         kf_mvws_8,
4198         kf_mvws_9,
4199         kf_mvws_10,
4200         kf_bar_toggle,
4201         kf_wind_kill,
4202         kf_wind_del,
4203         kf_screenshot_all,
4204         kf_screenshot_wind,
4205         kf_float_toggle,
4206         kf_version,
4207         kf_spawn_lock,
4208         kf_spawn_initscr,
4209         kf_spawn_custom,
4210         kf_iconify,
4211         kf_uniconify,
4212         kf_raise_toggle,
4213         kf_button2,
4214         kf_width_shrink,
4215         kf_width_grow,
4216         kf_height_shrink,
4217         kf_height_grow,
4218         kf_move_left,
4219         kf_move_right,
4220         kf_move_up,
4221         kf_move_down,
4222         kf_name_workspace,
4223         kf_search_workspace,
4224         kf_search_win,
4225         kf_dumpwins, /* MUST BE LAST */
4226         kf_invalid
4227 };
4228
4229 /* key definitions */
4230 void
4231 dummykeyfunc(struct swm_region *r, union arg *args)
4232 {
4233 };
4234
4235 void
4236 legacyfunc(struct swm_region *r, union arg *args)
4237 {
4238 };
4239
4240 struct keyfunc {
4241         char                    name[SWM_FUNCNAME_LEN];
4242         void                    (*func)(struct swm_region *r, union arg *);
4243         union arg               args;
4244 } keyfuncs[kf_invalid + 1] = {
4245         /* name                 function        argument */
4246         { "cycle_layout",       cycle_layout,   {0} },
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         char                    *name;
4367         int                     argc;
4368         char                    **argv;
4369 };
4370
4371 int                             spawns_size = 0, spawns_length = 0;
4372 struct spawn_prog               *spawns = NULL;
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         for (i = 0; i < spawns_length; i++) {
4386                 if (!strcasecmp(spawn_name, spawns[i].name))
4387                         prog = &spawns[i];
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 setspawn(struct spawn_prog *prog)
4512 {
4513         int                     i, j;
4514
4515         if (prog == NULL || prog->name == NULL)
4516                 return;
4517
4518         /* find existing */
4519         for (i = 0; i < spawns_length; i++) {
4520                 if (!strcmp(spawns[i].name, prog->name)) {
4521                         /* found */
4522                         if (prog->argv == NULL) {
4523                                 /* delete */
4524                                 DNPRINTF(SWM_D_SPAWN,
4525                                     "setspawn: delete #%d: %s\n",
4526                                     i, spawns[i].name);
4527                                 free(spawns[i].name);
4528                                 for (j = 0; j < spawns[i].argc; j++)
4529                                         free(spawns[i].argv[j]);
4530                                 free(spawns[i].argv);
4531                                 j = spawns_length - 1;
4532                                 if (i < j)
4533                                         spawns[i] = spawns[j];
4534                                 spawns_length--;
4535                                 free(prog->name);
4536                         } else {
4537                                 /* replace */
4538                                 DNPRINTF(SWM_D_SPAWN,
4539                                     "setspawn: replace #%d: %s\n",
4540                                     i, spawns[i].name);
4541                                 free(spawns[i].name);
4542                                 for (j = 0; j < spawns[i].argc; j++)
4543                                         free(spawns[i].argv[j]);
4544                                 free(spawns[i].argv);
4545                                 spawns[i] = *prog;
4546                         }
4547                         /* found case handled */
4548                         free(prog);
4549                         return;
4550                 }
4551         }
4552
4553         if (prog->argv == NULL) {
4554                 warnx("error: setspawn: cannot find program: %s", prog->name);
4555                 free(prog);
4556                 return;
4557         }
4558
4559         /* not found: add */
4560         if (spawns_size == 0 || spawns == NULL) {
4561                 spawns_size = 4;
4562                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
4563                 spawns = malloc((size_t)spawns_size *
4564                     sizeof(struct spawn_prog));
4565                 if (spawns == NULL) {
4566                         warn("setspawn: malloc failed");
4567                         quit(NULL, NULL);
4568                 }
4569         } else if (spawns_length == spawns_size) {
4570                 spawns_size *= 2;
4571                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
4572                 spawns = realloc(spawns, (size_t)spawns_size *
4573                     sizeof(struct spawn_prog));
4574                 if (spawns == NULL) {
4575                         warn("setspawn: realloc failed");
4576                         quit(NULL, NULL);
4577                 }
4578         }
4579
4580         if (spawns_length < spawns_size) {
4581                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
4582                     spawns_length, prog->name);
4583                 i = spawns_length++;
4584                 spawns[i] = *prog;
4585         } else {
4586                 warnx("spawns array problem?");
4587                 if (spawns == NULL) {
4588                         warnx("spawns array is NULL!");
4589                         quit(NULL, NULL);
4590                 }
4591         }
4592         free(prog);
4593 }
4594
4595 int
4596 setconfspawn(char *selector, char *value, int flags)
4597 {
4598         struct spawn_prog       *prog;
4599         char                    *vp, *cp, *word;
4600
4601         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4602         if ((prog = calloc(1, sizeof *prog)) == NULL)
4603                 err(1, "setconfspawn: calloc prog");
4604         prog->name = strdup(selector);
4605         if (prog->name == NULL)
4606                 err(1, "setconfspawn prog->name");
4607         if ((cp = vp = strdup(value)) == NULL)
4608                 err(1, "setconfspawn: strdup(value) ");
4609         while ((word = strsep(&cp, " \t")) != NULL) {
4610                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
4611                 if (cp)
4612                         cp += (long)strspn(cp, " \t");
4613                 if (strlen(word) > 0) {
4614                         prog->argc++;
4615                         if ((prog->argv = realloc(prog->argv,
4616                             prog->argc * sizeof(char *))) == NULL)
4617                                 err(1, "setconfspawn: realloc");
4618                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
4619                                 err(1, "setconfspawn: strdup");
4620                 }
4621         }
4622         free(vp);
4623
4624         setspawn(prog);
4625
4626         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4627         return (0);
4628 }
4629
4630 void
4631 setup_spawn(void)
4632 {
4633         setconfspawn("term",            "xterm",                0);
4634         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4635         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4636         setconfspawn("lock",            "xlock",                0);
4637         setconfspawn("initscr",         "initscreen.sh",        0);
4638         setconfspawn("menu",            "dmenu_run"
4639                                         " -fn $bar_font"
4640                                         " -nb $bar_color"
4641                                         " -nf $bar_font_color"
4642                                         " -sb $bar_border"
4643                                         " -sf $bar_color",      0);
4644         setconfspawn("search",          "dmenu"
4645                                         " -i"
4646                                         " -fn $bar_font"
4647                                         " -nb $bar_color"
4648                                         " -nf $bar_font_color"
4649                                         " -sb $bar_border"
4650                                         " -sf $bar_color",      0);
4651         setconfspawn("name_workspace",  "dmenu"
4652                                         " -p Workspace"
4653                                         " -fn $bar_font"
4654                                         " -nb $bar_color"
4655                                         " -nf $bar_font_color"
4656                                         " -sb $bar_border"
4657                                         " -sf $bar_color",      0);
4658 }
4659
4660 /* key bindings */
4661 #define SWM_MODNAME_SIZE        32
4662 #define SWM_KEY_WS              "\n+ \t"
4663 int
4664 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4665 {
4666         char                    *cp, *name;
4667         KeySym                  uks;
4668         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4669         if (mod == NULL || ks == NULL) {
4670                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4671                 return (1);
4672         }
4673         if (keystr == NULL || strlen(keystr) == 0) {
4674                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4675                 return (1);
4676         }
4677         cp = keystr;
4678         *ks = NoSymbol;
4679         *mod = 0;
4680         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4681                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4682                 if (cp)
4683                         cp += (long)strspn(cp, SWM_KEY_WS);
4684                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4685                         *mod |= currmod;
4686                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4687                         *mod |= Mod1Mask;
4688                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4689                         *mod += Mod2Mask;
4690                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4691                         *mod |= Mod3Mask;
4692                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4693                         *mod |= Mod4Mask;
4694                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4695                         *mod |= ShiftMask;
4696                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4697                         *mod |= ControlMask;
4698                 else {
4699                         *ks = XStringToKeysym(name);
4700                         XConvertCase(*ks, ks, &uks);
4701                         if (ks == NoSymbol) {
4702                                 DNPRINTF(SWM_D_KEY,
4703                                     "parsekeys: invalid key %s\n",
4704                                     name);
4705                                 return (1);
4706                         }
4707                 }
4708         }
4709         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4710         return (0);
4711 }
4712
4713 char *
4714 strdupsafe(char *str)
4715 {
4716         if (str == NULL)
4717                 return (NULL);
4718         else
4719                 return (strdup(str));
4720 }
4721
4722 void
4723 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4724 {
4725         struct key              *kp;
4726
4727         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
4728             keyfuncs[kfid].name, spawn_name);
4729
4730         if ((kp = malloc(sizeof *kp)) == NULL)
4731                 err(1, "key_insert: malloc");
4732
4733         kp->mod = mod;
4734         kp->keysym = ks;
4735         kp->funcid = kfid;
4736         kp->spawn_name = strdupsafe(spawn_name);
4737         TAILQ_INSERT_TAIL(&keys, kp, entry);
4738
4739         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
4740 }
4741
4742 void
4743 key_remove(struct key *kp)
4744 {
4745         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
4746
4747         TAILQ_REMOVE(&keys, kp, entry);
4748         free(kp->spawn_name);
4749         free(kp);
4750
4751         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
4752 }
4753
4754 void
4755 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
4756     char *spawn_name)
4757 {
4758         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
4759             spawn_name);
4760
4761         key_remove(kp);
4762         key_insert(mod, ks, kfid, spawn_name);
4763
4764         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
4765 }
4766
4767 void
4768 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4769     char *spawn_name)
4770 {
4771         struct key              *kp;
4772
4773         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4774             keyfuncs[kfid].name, spawn_name);
4775
4776         TAILQ_FOREACH(kp, &keys, entry) {
4777                 if (kp->mod == mod && kp->keysym == ks) {
4778                         if (kfid == kf_invalid)
4779                                 key_remove(kp);
4780                         else
4781                                 key_replace(kp, mod, ks, kfid, spawn_name);
4782                         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4783                         return;
4784                 }
4785         }
4786         if (kfid == kf_invalid) {
4787                 warnx("error: setkeybinding: cannot find mod/key combination");
4788                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4789                 return;
4790         }
4791
4792         key_insert(mod, ks, kfid, spawn_name);
4793         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4794 }
4795
4796 int
4797 setconfbinding(char *selector, char *value, int flags)
4798 {
4799         enum keyfuncid          kfid;
4800         unsigned int            mod;
4801         KeySym                  ks;
4802         int                     i;
4803         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4804         if (selector == NULL) {
4805                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4806                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4807                         kfid = kf_invalid;
4808                         setkeybinding(mod, ks, kfid, NULL);
4809                         return (0);
4810                 } else
4811                         return (1);
4812         }
4813         /* search by key function name */
4814         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4815                 if (strncasecmp(selector, keyfuncs[kfid].name,
4816                     SWM_FUNCNAME_LEN) == 0) {
4817                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4818                             selector);
4819                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4820                                 setkeybinding(mod, ks, kfid, NULL);
4821                                 return (0);
4822                         } else
4823                                 return (1);
4824                 }
4825         }
4826         /* search by custom spawn name */
4827         for (i = 0; i < spawns_length; i++) {
4828                 if (strcasecmp(selector, spawns[i].name) == 0) {
4829                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4830                             selector);
4831                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4832                                 setkeybinding(mod, ks, kf_spawn_custom,
4833                                     spawns[i].name);
4834                                 return (0);
4835                         } else
4836                                 return (1);
4837                 }
4838         }
4839         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4840         return (1);
4841 }
4842
4843 void
4844 setup_keys(void)
4845 {
4846         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4847         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4848         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4849         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4850         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4851         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4852         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4853         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4854         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4855         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4856         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4857         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4858         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4859         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4860         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4861         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4862         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4863         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4864         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4865         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4866         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4867         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4868         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4869         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4870         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4871         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4872         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4873         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4874         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4875         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4876         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4877         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4878         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4879         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4880         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4881         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4882         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4883         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4884         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4885         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4886         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4887         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4888         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4889         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4890         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4891         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4892         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4893         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4894         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4895         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4896         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4897         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4898         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4899         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4900         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4901         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4902         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4903         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4904         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4905         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4906         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4907         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4908         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4909         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4910         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4911         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4912         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4913         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4914         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4915         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4916         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4917 #ifdef SWM_DEBUG
4918         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4919 #endif
4920 }
4921
4922 void
4923 clear_keys(void)
4924 {
4925         struct key              *kp_loop, *kp_next;
4926
4927         kp_loop = TAILQ_FIRST(&keys);
4928         while (kp_loop != NULL) {
4929                 kp_next = TAILQ_NEXT(kp_loop, entry);
4930                 key_remove(kp_loop);
4931                 kp_loop = kp_next;
4932         }
4933 }
4934
4935 int
4936 setkeymapping(char *selector, char *value, int flags)
4937 {
4938         char                    keymapping_file[PATH_MAX];
4939         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4940         if (value[0] == '~')
4941                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4942                     pwd->pw_dir, &value[1]);
4943         else
4944                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4945         clear_keys();
4946         /* load new key bindings; if it fails, revert to default bindings */
4947         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4948                 clear_keys();
4949                 setup_keys();
4950         }
4951         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4952         return (0);
4953 }
4954
4955 void
4956 updatenumlockmask(void)
4957 {
4958         unsigned int            i, j;
4959         XModifierKeymap         *modmap;
4960
4961         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4962         numlockmask = 0;
4963         modmap = XGetModifierMapping(display);
4964         for (i = 0; i < 8; i++)
4965                 for (j = 0; j < modmap->max_keypermod; j++)
4966                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4967                             == XKeysymToKeycode(display, XK_Num_Lock))
4968                                 numlockmask = (1 << i);
4969
4970         XFreeModifiermap(modmap);
4971 }
4972
4973 void
4974 grabkeys(void)
4975 {
4976         unsigned int            j, k;
4977         KeyCode                 code;
4978         unsigned int            modifiers[] =
4979             { 0, LockMask, numlockmask, numlockmask | LockMask };
4980         struct key              *kp;
4981
4982         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4983         updatenumlockmask();
4984
4985         for (k = 0; k < ScreenCount(display); k++) {
4986                 if (TAILQ_EMPTY(&screens[k].rl))
4987                         continue;
4988                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4989                 TAILQ_FOREACH(kp, &keys, entry) {
4990                         if ((code = XKeysymToKeycode(display, kp->keysym)))
4991                                 for (j = 0; j < LENGTH(modifiers); j++)
4992                                         XGrabKey(display, code,
4993                                             kp->mod | modifiers[j],
4994                                             screens[k].root, True,
4995                                             GrabModeAsync, GrabModeAsync);
4996                 }
4997         }
4998 }
4999
5000 void
5001 grabbuttons(struct ws_win *win, int focused)
5002 {
5003         unsigned int            i, j;
5004         unsigned int            modifiers[] =
5005             { 0, LockMask, numlockmask, numlockmask|LockMask };
5006
5007         updatenumlockmask();
5008         XUngrabButton(display, AnyButton, AnyModifier, win->id);
5009         if (focused) {
5010                 for (i = 0; i < LENGTH(buttons); i++)
5011                         if (buttons[i].action == client_click)
5012                                 for (j = 0; j < LENGTH(modifiers); j++)
5013                                         XGrabButton(display, buttons[i].button,
5014                                             buttons[i].mask | modifiers[j],
5015                                             win->id, False, BUTTONMASK,
5016                                             GrabModeAsync, GrabModeSync, None,
5017                                             None);
5018         } else
5019                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5020                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5021 }
5022
5023 const char *quirkname[] = {
5024         "NONE",         /* config string for "no value" */
5025         "FLOAT",
5026         "TRANSSZ",
5027         "ANYWHERE",
5028         "XTERM_FONTADJ",
5029         "FULLSCREEN",
5030         "FOCUSPREV",
5031 };
5032
5033 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5034 #define SWM_Q_WS                "\n|+ \t"
5035 int
5036 parsequirks(char *qstr, unsigned long *quirk)
5037 {
5038         char                    *cp, *name;
5039         int                     i;
5040
5041         if (quirk == NULL)
5042                 return (1);
5043
5044         cp = qstr;
5045         *quirk = 0;
5046         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5047                 if (cp)
5048                         cp += (long)strspn(cp, SWM_Q_WS);
5049                 for (i = 0; i < LENGTH(quirkname); i++) {
5050                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5051                                 DNPRINTF(SWM_D_QUIRK,
5052                                     "parsequirks: %s\n", name);
5053                                 if (i == 0) {
5054                                         *quirk = 0;
5055                                         return (0);
5056                                 }
5057                                 *quirk |= 1 << (i-1);
5058                                 break;
5059                         }
5060                 }
5061                 if (i >= LENGTH(quirkname)) {
5062                         DNPRINTF(SWM_D_QUIRK,
5063                             "parsequirks: invalid quirk [%s]\n", name);
5064                         return (1);
5065                 }
5066         }
5067         return (0);
5068 }
5069
5070 void
5071 quirk_insert(const char *class, const char *name, unsigned long quirk)
5072 {
5073         struct quirk            *qp;
5074
5075         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5076             quirk);
5077
5078         if ((qp = malloc(sizeof *qp)) == NULL)
5079                 err(1, "quirk_insert: malloc");
5080         if ((qp->class = strdup(class)) == NULL)
5081                 err(1, "quirk_insert: strdup");
5082         if ((qp->name = strdup(name)) == NULL)
5083                 err(1, "quirk_insert: strdup");
5084
5085         qp->quirk = quirk;
5086         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5087
5088         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5089 }
5090
5091 void
5092 quirk_remove(struct quirk *qp)
5093 {
5094         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5095             qp->name, qp->quirk);
5096
5097         TAILQ_REMOVE(&quirks, qp, entry);
5098         free(qp->class);
5099         free(qp->name);
5100         free(qp);
5101
5102         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5103 }
5104
5105 void
5106 quirk_replace(struct quirk *qp, const char *class, const char *name,
5107     unsigned long quirk)
5108 {
5109         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5110             qp->name, qp->quirk);
5111
5112         quirk_remove(qp);
5113         quirk_insert(class, name, quirk);
5114
5115         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5116 }
5117
5118 void
5119 setquirk(const char *class, const char *name, unsigned long quirk)
5120 {
5121         struct quirk            *qp;
5122
5123         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5124            quirk);
5125
5126         TAILQ_FOREACH(qp, &quirks, entry) {
5127                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5128                         if (!quirk)
5129                                 quirk_remove(qp);
5130                         else
5131                                 quirk_replace(qp, class, name, quirk);
5132                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5133                         return;
5134                 }
5135         }
5136         if (!quirk) {
5137                 warnx("error: setquirk: cannot find class/name combination");
5138                 return;
5139         }
5140
5141         quirk_insert(class, name, quirk);
5142         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5143 }
5144
5145 int
5146 setconfquirk(char *selector, char *value, int flags)
5147 {
5148         char                    *cp, *class, *name;
5149         int                     retval;
5150         unsigned long           quirks;
5151         if (selector == NULL)
5152                 return (0);
5153         if ((cp = strchr(selector, ':')) == NULL)
5154                 return (0);
5155         *cp = '\0';
5156         class = selector;
5157         name = cp + 1;
5158         if ((retval = parsequirks(value, &quirks)) == 0)
5159                 setquirk(class, name, quirks);
5160         return (retval);
5161 }
5162
5163 void
5164 setup_quirks(void)
5165 {
5166         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5167         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5168         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5169         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5170         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5171         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5172         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5173         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5174         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5175         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5176         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5177         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5178         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5179 }
5180
5181 /* conf file stuff */
5182 #define SWM_CONF_FILE   "scrotwm.conf"
5183
5184 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5185           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5186           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5187           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5188           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5189           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5190           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5191           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5192           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5193         };
5194
5195 int
5196 setconfvalue(char *selector, char *value, int flags)
5197 {
5198         int     i;
5199         char    *b;
5200
5201         switch (flags) {
5202         case SWM_S_BAR_DELAY:
5203                 bar_delay = atoi(value);
5204                 break;
5205         case SWM_S_BAR_ENABLED:
5206                 bar_enabled = atoi(value);
5207                 break;
5208         case SWM_S_BAR_BORDER_WIDTH:
5209                 bar_border_width = atoi(value);
5210                 break;
5211         case SWM_S_BAR_AT_BOTTOM:
5212                 bar_at_bottom = atoi(value);
5213                 break;
5214         case SWM_S_BAR_JUSTIFY:
5215                 if (!strcmp(value, "left"))
5216                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5217                 else if (!strcmp(value, "center"))
5218                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5219                 else if (!strcmp(value, "right"))
5220                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5221                 else
5222                         errx(1, "invalid bar_justify");
5223                 break;
5224         case SWM_S_STACK_ENABLED:
5225                 stack_enabled = atoi(value);
5226                 break;
5227         case SWM_S_CLOCK_ENABLED:
5228                 clock_enabled = atoi(value);
5229                 break;
5230         case SWM_S_CLOCK_FORMAT:
5231 #ifndef SWM_DENY_CLOCK_FORMAT
5232                 free(clock_format);
5233                 if ((clock_format = strdup(value)) == NULL)
5234                         err(1, "setconfvalue: clock_format");
5235 #endif
5236                 break;
5237         case SWM_S_CYCLE_EMPTY:
5238                 cycle_empty = atoi(value);
5239                 break;
5240         case SWM_S_CYCLE_VISIBLE:
5241                 cycle_visible = atoi(value);
5242                 break;
5243         case SWM_S_SS_ENABLED:
5244                 ss_enabled = atoi(value);
5245                 break;
5246         case SWM_S_TERM_WIDTH:
5247                 term_width = atoi(value);
5248                 break;
5249         case SWM_S_TITLE_CLASS_ENABLED:
5250                 title_class_enabled = atoi(value);
5251                 break;
5252         case SWM_S_WINDOW_NAME_ENABLED:
5253                 window_name_enabled = atoi(value);
5254                 break;
5255         case SWM_S_TITLE_NAME_ENABLED:
5256                 title_name_enabled = atoi(value);
5257                 break;
5258         case SWM_S_URGENT_ENABLED:
5259                 urgent_enabled = atoi(value);
5260                 break;
5261         case SWM_S_FOCUS_MODE:
5262                 if (!strcmp(value, "default"))
5263                         focus_mode = SWM_FOCUS_DEFAULT;
5264                 else if (!strcmp(value, "follow_cursor"))
5265                         focus_mode = SWM_FOCUS_FOLLOW;
5266                 else if (!strcmp(value, "synergy"))
5267                         focus_mode = SWM_FOCUS_SYNERGY;
5268                 else
5269                         errx(1, "focus_mode");
5270                 break;
5271         case SWM_S_DISABLE_BORDER:
5272                 disable_border = atoi(value);
5273                 break;
5274         case SWM_S_BORDER_WIDTH:
5275                 border_width = atoi(value);
5276                 break;
5277         case SWM_S_BAR_FONT:
5278                 b = bar_fonts;
5279                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5280                         err(1, "setconfvalue: asprintf: failed to allocate "
5281                                 "memory for bar_fonts.");
5282
5283                 free(b);
5284                 break;
5285         case SWM_S_BAR_ACTION:
5286                 free(bar_argv[0]);
5287                 if ((bar_argv[0] = strdup(value)) == NULL)
5288                         err(1, "setconfvalue: bar_action");
5289                 break;
5290         case SWM_S_SPAWN_TERM:
5291                 free(spawn_term[0]);
5292                 if ((spawn_term[0] = strdup(value)) == NULL)
5293                         err(1, "setconfvalue: spawn_term");
5294                 break;
5295         case SWM_S_SS_APP:
5296                 break;
5297         case SWM_S_DIALOG_RATIO:
5298                 dialog_ratio = atof(value);
5299                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5300                         dialog_ratio = .6;
5301                 break;
5302         case SWM_S_VERBOSE_LAYOUT:
5303                 verbose_layout = atoi(value);
5304                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5305                         if (verbose_layout)
5306                                 layouts[i].l_string = fancy_stacker;
5307                         else
5308                                 layouts[i].l_string = plain_stacker;
5309                 }
5310                 break;
5311         default:
5312                 return (1);
5313         }
5314         return (0);
5315 }
5316
5317 int
5318 setconfmodkey(char *selector, char *value, int flags)
5319 {
5320         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5321                 update_modkey(Mod1Mask);
5322         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5323                 update_modkey(Mod2Mask);
5324         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5325                 update_modkey(Mod3Mask);
5326         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5327                 update_modkey(Mod4Mask);
5328         else
5329                 return (1);
5330         return (0);
5331 }
5332
5333 int
5334 setconfcolor(char *selector, char *value, int flags)
5335 {
5336         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5337         return (0);
5338 }
5339
5340 int
5341 setconfregion(char *selector, char *value, int flags)
5342 {
5343         custom_region(value);
5344         return (0);
5345 }
5346
5347 int
5348 setautorun(char *selector, char *value, int flags)
5349 {
5350         int                     ws_id;
5351         char                    s[1024];
5352         char                    *ap, *sp = s;
5353         union arg               a;
5354         int                     argc = 0;
5355         long                    pid;
5356         struct pid_e            *p;
5357
5358         if (getenv("SWM_STARTED"))
5359                 return (0);
5360
5361         bzero(s, sizeof s);
5362         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5363                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5364         ws_id--;
5365         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5366                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5367
5368         /*
5369          * This is a little intricate
5370          *
5371          * If the pid already exists we simply reuse it because it means it was
5372          * used before AND not claimed by manage_window.  We get away with
5373          * altering it in the parent after INSERT because this can not be a race
5374          */
5375         a.argv = NULL;
5376         while ((ap = strsep(&sp, " \t")) != NULL) {
5377                 if (*ap == '\0')
5378                         continue;
5379                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5380                 argc++;
5381                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5382                         err(1, "setautorun: realloc");
5383                 a.argv[argc - 1] = ap;
5384         }
5385
5386         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5387                 err(1, "setautorun: realloc");
5388         a.argv[argc] = NULL;
5389
5390         if ((pid = fork()) == 0) {
5391                 spawn(ws_id, &a, 1);
5392                 /* NOTREACHED */
5393                 _exit(1);
5394         }
5395         free(a.argv);
5396
5397         /* parent */
5398         p = find_pid(pid);
5399         if (p == NULL) {
5400                 p = calloc(1, sizeof *p);
5401                 if (p == NULL)
5402                         return (1);
5403                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5404         }
5405
5406         p->pid = pid;
5407         p->ws = ws_id;
5408
5409         return (0);
5410 }
5411
5412 int
5413 setlayout(char *selector, char *value, int flags)
5414 {
5415         int                     ws_id, i, x, mg, ma, si, raise;
5416         int                     st = SWM_V_STACK;
5417         char                    s[1024];
5418         struct workspace        *ws;
5419
5420         if (getenv("SWM_STARTED"))
5421                 return (0);
5422
5423         bzero(s, sizeof s);
5424         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5425             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5426                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5427                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5428                     "<type>'");
5429         ws_id--;
5430         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5431                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5432
5433         if (!strcasecmp(s, "vertical"))
5434                 st = SWM_V_STACK;
5435         else if (!strcasecmp(s, "horizontal"))
5436                 st = SWM_H_STACK;
5437         else if (!strcasecmp(s, "fullscreen"))
5438                 st = SWM_MAX_STACK;
5439         else
5440                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5441                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5442                     "<type>'");
5443
5444         for (i = 0; i < ScreenCount(display); i++) {
5445                 ws = (struct workspace *)&screens[i].ws;
5446                 ws[ws_id].cur_layout = &layouts[st];
5447
5448                 ws[ws_id].always_raise = raise;
5449                 if (st == SWM_MAX_STACK)
5450                         continue;
5451
5452                 /* master grow */
5453                 for (x = 0; x < abs(mg); x++) {
5454                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5455                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5456                             SWM_ARG_ID_MASTERSHRINK);
5457                         stack();
5458                 }
5459                 /* master add */
5460                 for (x = 0; x < abs(ma); x++) {
5461                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5462                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5463                             SWM_ARG_ID_MASTERDEL);
5464                         stack();
5465                 }
5466                 /* stack inc */
5467                 for (x = 0; x < abs(si); x++) {
5468                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5469                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5470                             SWM_ARG_ID_STACKDEC);
5471                         stack();
5472                 }
5473         }
5474
5475         return (0);
5476 }
5477
5478 /* config options */
5479 struct config_option {
5480         char                    *optname;
5481         int                     (*func)(char*, char*, int);
5482         int                     funcflags;
5483 };
5484 struct config_option configopt[] = {
5485         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5486         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5487         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5488         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5489         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5490         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5491         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5492         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5493         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5494         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5495         { "keyboard_mapping",           setkeymapping,  0 },
5496         { "bind",                       setconfbinding, 0 },
5497         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5498         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5499         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5500         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5501         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5502         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5503         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5504         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5505         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5506         { "modkey",                     setconfmodkey,  0 },
5507         { "program",                    setconfspawn,   0 },
5508         { "quirk",                      setconfquirk,   0 },
5509         { "region",                     setconfregion,  0 },
5510         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5511         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5512         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5513         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5514         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5515         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5516         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5517         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5518         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5519         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5520         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5521         { "autorun",                    setautorun,     0 },
5522         { "layout",                     setlayout,      0 },
5523 };
5524
5525
5526 int
5527 conf_load(char *filename, int keymapping)
5528 {
5529         FILE                    *config;
5530         char                    *line, *cp, *optsub, *optval;
5531         size_t                  linelen, lineno = 0;
5532         int                     wordlen, i, optind;
5533         struct config_option    *opt;
5534
5535         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5536
5537         if (filename == NULL) {
5538                 warnx("conf_load: no filename");
5539                 return (1);
5540         }
5541         if ((config = fopen(filename, "r")) == NULL) {
5542                 warn("conf_load: fopen: %s", filename);
5543                 return (1);
5544         }
5545
5546         while (!feof(config)) {
5547                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5548                     == NULL) {
5549                         if (ferror(config))
5550                                 err(1, "%s", filename);
5551                         else
5552                                 continue;
5553                 }
5554                 cp = line;
5555                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5556                 if (cp[0] == '\0') {
5557                         /* empty line */
5558                         free(line);
5559                         continue;
5560                 }
5561                 /* get config option */
5562                 wordlen = strcspn(cp, "=[ \t\n");
5563                 if (wordlen == 0) {
5564                         warnx("%s: line %zd: no option found",
5565                             filename, lineno);
5566                         goto out;
5567                 }
5568                 optind = -1;
5569                 for (i = 0; i < LENGTH(configopt); i++) {
5570                         opt = &configopt[i];
5571                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5572                             strlen(opt->optname) == wordlen) {
5573                                 optind = i;
5574                                 break;
5575                         }
5576                 }
5577                 if (optind == -1) {
5578                         warnx("%s: line %zd: unknown option %.*s",
5579                             filename, lineno, wordlen, cp);
5580                         goto out;
5581                 }
5582                 if (keymapping && strcmp(opt->optname, "bind")) {
5583                         warnx("%s: line %zd: invalid option %.*s",
5584                             filename, lineno, wordlen, cp);
5585                         goto out;
5586                 }
5587                 cp += wordlen;
5588                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5589                 /* get [selector] if any */
5590                 optsub = NULL;
5591                 if (*cp == '[') {
5592                         cp++;
5593                         wordlen = strcspn(cp, "]");
5594                         if (*cp != ']') {
5595                                 if (wordlen == 0) {
5596                                         warnx("%s: line %zd: syntax error",
5597                                             filename, lineno);
5598                                         goto out;
5599                                 }
5600
5601                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5602                                     -1) {
5603                                         warnx("%s: line %zd: unable to allocate"
5604                                             "memory for selector", filename,
5605                                             lineno);
5606                                         goto out;
5607                                 }
5608                         }
5609                         cp += wordlen;
5610                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5611                 }
5612                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5613                 /* get RHS value */
5614                 optval = strdup(cp);
5615                 /* call function to deal with it all */
5616                 if (configopt[optind].func(optsub, optval,
5617                     configopt[optind].funcflags) != 0)
5618                         errx(1, "%s: line %zd: invalid data for %s",
5619                             filename, lineno, configopt[optind].optname);
5620                 free(optval);
5621                 free(optsub);
5622                 free(line);
5623         }
5624
5625         fclose(config);
5626         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5627
5628         return (0);
5629
5630 out:
5631         free(line);
5632         fclose(config);
5633         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
5634
5635         return (1);
5636 }
5637
5638 void
5639 set_child_transient(struct ws_win *win, Window *trans)
5640 {
5641         struct ws_win           *parent, *w;
5642         XWMHints                *wmh = NULL;
5643         struct swm_region       *r;
5644         struct workspace        *ws;
5645
5646         parent = find_window(win->transient);
5647         if (parent)
5648                 parent->child_trans = win;
5649         else {
5650                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5651                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5652
5653                 if (win->hints == NULL) {
5654                         warnx("no hints for 0x%lx", win->id);
5655                         return;
5656                 }
5657
5658                 r = root_to_region(win->wa.root);
5659                 ws = r->ws;
5660                 /* parent doen't exist in our window list */
5661                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5662                         if (wmh)
5663                                 XFree(wmh);
5664
5665                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5666                                 warnx("can't get hints for 0x%lx", w->id);
5667                                 continue;
5668                         }
5669
5670                         if (win->hints->window_group != wmh->window_group)
5671                                 continue;
5672
5673                         w->child_trans = win;
5674                         win->transient = w->id;
5675                         *trans = w->id;
5676                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5677                             "transient to 0x%lx\n", win->transient);
5678                         break;
5679                 }
5680         }
5681
5682         if (wmh)
5683                 XFree(wmh);
5684 }
5685
5686 long
5687 window_get_pid(Window win)
5688 {
5689         Atom                    actual_type_return;
5690         int                     actual_format_return = 0;
5691         unsigned long           nitems_return = 0;
5692         unsigned long           bytes_after_return = 0;
5693         long                    *pid = NULL;
5694         long                    ret = 0;
5695         const char              *errstr;
5696         unsigned char           *prop = NULL;
5697
5698         if (XGetWindowProperty(display, win,
5699             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5700             XA_CARDINAL, &actual_type_return, &actual_format_return,
5701             &nitems_return, &bytes_after_return,
5702             (unsigned char**)(void*)&pid) != Success)
5703                 goto tryharder;
5704         if (actual_type_return != XA_CARDINAL)
5705                 goto tryharder;
5706         if (pid == NULL)
5707                 goto tryharder;
5708
5709         ret = *pid;
5710         XFree(pid);
5711
5712         return (ret);
5713
5714 tryharder:
5715         if (XGetWindowProperty(display, win,
5716             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5717             XA_STRING, &actual_type_return, &actual_format_return,
5718             &nitems_return, &bytes_after_return, &prop) != Success)
5719                 return (0);
5720         if (actual_type_return != XA_STRING)
5721                 return (0);
5722         if (prop == NULL)
5723                 return (0);
5724
5725         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5726         /* ignore error because strtonum returns 0 anyway */
5727         XFree(prop);
5728
5729         return (ret);
5730 }
5731
5732 struct ws_win *
5733 manage_window(Window id)
5734 {
5735         Window                  trans = 0;
5736         struct workspace        *ws;
5737         struct ws_win           *win, *ww;
5738         int                     format, i, ws_idx, n, border_me = 0;
5739         unsigned long           nitems, bytes;
5740         Atom                    ws_idx_atom = 0, type;
5741         Atom                    *prot = NULL, *pp;
5742         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5743         struct swm_region       *r;
5744         long                    mask;
5745         const char              *errstr;
5746         XWindowChanges          wc;
5747         struct pid_e            *p;
5748         struct quirk            *qp;
5749
5750         if ((win = find_window(id)) != NULL)
5751                 return (win);   /* already being managed */
5752
5753         /* see if we are on the unmanaged list */
5754         if ((win = find_unmanaged_window(id)) != NULL) {
5755                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
5756                     "window: 0x%lx\n", win->id);
5757                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5758                 if (win->transient) {
5759                         set_child_transient(win, &trans);
5760                 } if (trans && (ww = find_window(trans)))
5761                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5762                 else
5763                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5764                 ewmh_update_actions(win);
5765                 return (win);
5766         }
5767
5768         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5769                 err(1, "manage_window: calloc: failed to allocate memory for "
5770                     "new window");
5771
5772         win->id = id;
5773
5774         /* see if we need to override the workspace */
5775         p = find_pid(window_get_pid(id));
5776
5777         /* Get all the window data in one shot */
5778         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5779         if (ws_idx_atom) {
5780                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5781                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5782         }
5783         XGetWindowAttributes(display, id, &win->wa);
5784         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
5785         win->hints = XGetWMHints(display, id);
5786         XGetTransientForHint(display, id, &trans);
5787         if (trans) {
5788                 win->transient = trans;
5789                 set_child_transient(win, &trans);
5790                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
5791                     "transient: 0x%lx\n", win->id, win->transient);
5792         }
5793
5794         /* get supported protocols */
5795         if (XGetWMProtocols(display, id, &prot, &n)) {
5796                 for (i = 0, pp = prot; i < n; i++, pp++) {
5797                         if (*pp == takefocus)
5798                                 win->take_focus = 1;
5799                         if (*pp == adelete)
5800                                 win->can_delete = 1;
5801                 }
5802                 if (prot)
5803                         XFree(prot);
5804         }
5805
5806         win->iconic = get_iconic(win);
5807
5808         /*
5809          * Figure out where to put the window. If it was previously assigned to
5810          * a workspace (either by spawn() or manually moving), and isn't
5811          * transient, * put it in the same workspace
5812          */
5813         r = root_to_region(win->wa.root);
5814         if (p) {
5815                 ws = &r->s->ws[p->ws];
5816                 TAILQ_REMOVE(&pidlist, p, entry);
5817                 free(p);
5818                 p = NULL;
5819         } else if (prop && win->transient == 0) {
5820                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
5821                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5822                 if (errstr) {
5823                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
5824                             errstr, prop);
5825                 }
5826                 ws = &r->s->ws[ws_idx];
5827         } else {
5828                 ws = r->ws;
5829                 /* this should launch transients in the same ws as parent */
5830                 if (id && trans)
5831                         if ((ww = find_window(trans)) != NULL)
5832                                 if (ws->r) {
5833                                         ws = ww->ws;
5834                                         if (ww->ws->r)
5835                                                 r = ww->ws->r;
5836                                         else
5837                                                 warnx("manage_window: fix this "
5838                                                     "bug mcbride");
5839                                         border_me = 1;
5840                                 }
5841         }
5842
5843         /* set up the window layout */
5844         win->id = id;
5845         win->ws = ws;
5846         win->s = r->s;  /* this never changes */
5847         if (trans && (ww = find_window(trans)))
5848                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5849         else
5850                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5851
5852         WIDTH(win) = win->wa.width;
5853         HEIGHT(win) = win->wa.height;
5854         X(win) = win->wa.x;
5855         Y(win) = win->wa.y;
5856         win->g_floatvalid = 0;
5857         win->floatmaxed = 0;
5858         win->ewmh_flags = 0;
5859
5860         /* Set window properties so we can remember this after reincarnation */
5861         if (ws_idx_atom && prop == NULL &&
5862             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5863                 SWM_PROPLEN) {
5864                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
5865                     ws_idx_str);
5866                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5867                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5868         }
5869         if (prop)
5870                 XFree(prop);
5871
5872         ewmh_autoquirk(win);
5873
5874         if (XGetClassHint(display, win->id, &win->ch)) {
5875                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
5876                     win->ch.res_class, win->ch.res_name);
5877
5878                 /* java is retarded so treat it special */
5879                 if (strstr(win->ch.res_name, "sun-awt")) {
5880                         win->java = 1;
5881                         border_me = 1;
5882                 }
5883
5884                 TAILQ_FOREACH(qp, &quirks, entry) {
5885                         if (!strcmp(win->ch.res_class, qp->class) &&
5886                             !strcmp(win->ch.res_name, qp->name)) {
5887                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
5888                                     "class: %s, name: %s\n", win->ch.res_class,
5889                                     win->ch.res_name);
5890                                 if (qp->quirk & SWM_Q_FLOAT) {
5891                                         win->floating = 1;
5892                                         border_me = 1;
5893                                 }
5894                                 win->quirks = qp->quirk;
5895                         }
5896                 }
5897         }
5898
5899         /* alter window position if quirky */
5900         if (win->quirks & SWM_Q_ANYWHERE) {
5901                 win->manual = 1; /* don't center the quirky windows */
5902                 bzero(&wc, sizeof wc);
5903                 mask = 0;
5904                 if (bar_enabled && Y(win) < bar_height) {
5905                         Y(win) = wc.y = bar_height;
5906                         mask |= CWY;
5907                 }
5908                 if (WIDTH(win) + X(win) > WIDTH(r)) {
5909                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
5910                         mask |= CWX;
5911                 }
5912                 border_me = 1;
5913         }
5914
5915         /* Reset font sizes (the bruteforce way; no default keybinding). */
5916         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5917                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5918                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5919                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5920                         fake_keypress(win, XK_KP_Add, ShiftMask);
5921         }
5922
5923         ewmh_get_win_state(win);
5924         ewmh_update_actions(win);
5925         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5926
5927         /* border me */
5928         if (border_me) {
5929                 bzero(&wc, sizeof wc);
5930                 wc.border_width = border_width;
5931                 mask = CWBorderWidth;
5932                 XConfigureWindow(display, win->id, mask, &wc);
5933         }
5934
5935         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5936             PropertyChangeMask | StructureNotifyMask);
5937
5938         /* floaters need to be mapped if they are in the current workspace */
5939         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5940                 XMapRaised(display, win->id);
5941
5942         return (win);
5943 }
5944
5945 void
5946 free_window(struct ws_win *win)
5947 {
5948         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
5949
5950         if (win == NULL)
5951                 return;
5952
5953         /* needed for restart wm */
5954         set_win_state(win, WithdrawnState);
5955
5956         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5957
5958         if (win->ch.res_class)
5959                 XFree(win->ch.res_class);
5960         if (win->ch.res_name)
5961                 XFree(win->ch.res_name);
5962
5963         kill_refs(win);
5964
5965         /* paint memory */
5966         memset(win, 0xff, sizeof *win); /* XXX kill later */
5967
5968         free(win);
5969 }
5970
5971 void
5972 unmanage_window(struct ws_win *win)
5973 {
5974         struct ws_win           *parent;
5975
5976         if (win == NULL)
5977                 return;
5978
5979         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
5980
5981         if (win->transient) {
5982                 parent = find_window(win->transient);
5983                 if (parent)
5984                         parent->child_trans = NULL;
5985         }
5986
5987         /* focus on root just in case */
5988         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5989
5990         focus_prev(win);
5991
5992         if (win->hints) {
5993                 XFree(win->hints);
5994                 win->hints = NULL;
5995         }
5996
5997         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5998         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5999
6000         kill_refs(win);
6001 }
6002
6003 void
6004 focus_magic(struct ws_win *win)
6005 {
6006         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6007
6008         if (win == NULL)
6009                 return;
6010
6011         if (win->child_trans) {
6012                 /* win = parent & has a transient so focus on that */
6013                 if (win->java) {
6014                         focus_win(win->child_trans);
6015                         if (win->child_trans->take_focus)
6016                                 client_msg(win, takefocus);
6017                 } else {
6018                         /* make sure transient hasn't dissapeared */
6019                         if (validate_win(win->child_trans) == 0) {
6020                                 focus_win(win->child_trans);
6021                                 if (win->child_trans->take_focus)
6022                                         client_msg(win->child_trans, takefocus);
6023                         } else {
6024                                 win->child_trans = NULL;
6025                                 focus_win(win);
6026                                 if (win->take_focus)
6027                                         client_msg(win, takefocus);
6028                         }
6029                 }
6030         } else {
6031                 /* regular focus */
6032                 focus_win(win);
6033                 if (win->take_focus)
6034                         client_msg(win, takefocus);
6035         }
6036 }
6037
6038 void
6039 expose(XEvent *e)
6040 {
6041         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6042 }
6043
6044 void
6045 keypress(XEvent *e)
6046 {
6047         KeySym                  keysym;
6048         XKeyEvent               *ev = &e->xkey;
6049         struct key              *kp;
6050
6051         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
6052         TAILQ_FOREACH(kp, &keys, entry)
6053                 if (keysym == kp->keysym
6054                     && CLEANMASK(kp->mod) == CLEANMASK(ev->state)
6055                     && keyfuncs[kp->funcid].func) {
6056                         if (kp->funcid == kf_spawn_custom)
6057                                 spawn_custom(
6058                                     root_to_region(ev->root),
6059                                     &(keyfuncs[kp->funcid].args),
6060                                     kp->spawn_name
6061                                     );
6062                         else
6063                                 keyfuncs[kp->funcid].func(
6064                                     root_to_region(ev->root),
6065                                     &(keyfuncs[kp->funcid].args)
6066                                     );
6067                 }
6068 }
6069
6070 void
6071 buttonpress(XEvent *e)
6072 {
6073         struct ws_win           *win;
6074         int                     i, action;
6075         XButtonPressedEvent     *ev = &e->xbutton;
6076
6077         if ((win = find_window(ev->window)) == NULL)
6078                 return;
6079
6080         focus_magic(win);
6081         action = client_click;
6082
6083         for (i = 0; i < LENGTH(buttons); i++)
6084                 if (action == buttons[i].action && buttons[i].func &&
6085                     buttons[i].button == ev->button &&
6086                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6087                         buttons[i].func(win, &buttons[i].args);
6088 }
6089
6090 void
6091 configurerequest(XEvent *e)
6092 {
6093         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6094         struct ws_win           *win;
6095         int                     new = 0;
6096         XWindowChanges          wc;
6097
6098         if ((win = find_window(ev->window)) == NULL)
6099                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6100                         new = 1;
6101
6102         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6103             ev->window, YESNO(new));
6104
6105         if (new) {
6106                 bzero(&wc, sizeof wc);
6107                 wc.x = ev->x;
6108                 wc.y = ev->y;
6109                 wc.width = ev->width;
6110                 wc.height = ev->height;
6111                 wc.border_width = ev->border_width;
6112                 wc.sibling = ev->above;
6113                 wc.stack_mode = ev->detail;
6114                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6115         } else {
6116                 config_win(win, ev);
6117         }
6118 }
6119
6120 void
6121 configurenotify(XEvent *e)
6122 {
6123         struct ws_win           *win;
6124
6125         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6126             e->xconfigure.window);
6127
6128         win = find_window(e->xconfigure.window);
6129         if (win) {
6130                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6131                 adjust_font(win);
6132                 if (font_adjusted)
6133                         stack();
6134                 if (focus_mode == SWM_FOCUS_DEFAULT)
6135                         drain_enter_notify();
6136         }
6137 }
6138
6139 void
6140 destroynotify(XEvent *e)
6141 {
6142         struct ws_win           *win;
6143         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6144
6145         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6146
6147         if ((win = find_window(ev->window)) == NULL) {
6148                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6149                         return;
6150                 free_window(win);
6151                 return;
6152         }
6153
6154         /* make sure we focus on something */
6155         win->floating = 0;
6156
6157         unmanage_window(win);
6158         stack();
6159         if (focus_mode == SWM_FOCUS_DEFAULT)
6160                 drain_enter_notify();
6161         free_window(win);
6162 }
6163
6164 void
6165 enternotify(XEvent *e)
6166 {
6167         XCrossingEvent          *ev = &e->xcrossing;
6168         XEvent                  cne;
6169         struct ws_win           *win;
6170 #if 0
6171         struct ws_win           *w;
6172         Window                  focus_return;
6173         int                     revert_to_return;
6174 #endif
6175         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6176             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6177             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6178             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6179
6180         if (ev->mode != NotifyNormal) {
6181                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6182                     "cursor grab.\n");
6183                 return;
6184         }
6185
6186         switch (focus_mode) {
6187         case SWM_FOCUS_DEFAULT:
6188                 break;
6189         case SWM_FOCUS_FOLLOW:
6190                 break;
6191         case SWM_FOCUS_SYNERGY:
6192 #if 0
6193         /*
6194          * all these checks need to be in this order because the
6195          * XCheckTypedWindowEvent relies on weeding out the previous events
6196          *
6197          * making this code an option would enable a follow mouse for focus
6198          * feature
6199          */
6200
6201         /*
6202          * state is set when we are switching workspaces and focus is set when
6203          * the window or a subwindow already has focus (occurs during restart).
6204          *
6205          * Only honor the focus flag if last_focus_event is not FocusOut,
6206          * this allows scrotwm to continue to control focus when another
6207          * program is also playing with it.
6208          */
6209         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6210                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6211                 return;
6212         }
6213
6214         /*
6215          * happens when a window is created or destroyed and the border
6216          * crosses the mouse pointer and when switching ws
6217          *
6218          * we need the subwindow test to see if we came from root in order
6219          * to give focus to floaters
6220          */
6221         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6222             ev->subwindow == 0) {
6223                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6224                 return;
6225         }
6226
6227         /* this window already has focus */
6228         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6229                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6230                 return;
6231         }
6232
6233         /* this window is being deleted or moved to another ws */
6234         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6235             &cne) == True) {
6236                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6237                 XPutBackEvent(display, &cne);
6238                 return;
6239         }
6240
6241         if ((win = find_window(ev->window)) == NULL) {
6242                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6243                 return;
6244         }
6245
6246         /*
6247          * In fullstack kill all enters unless they come from a different ws
6248          * (i.e. another region) or focus has been grabbed externally.
6249          */
6250         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6251             last_focus_event != FocusOut) {
6252                 XGetInputFocus(display, &focus_return, &revert_to_return);
6253                 if ((w = find_window(focus_return)) == NULL ||
6254                     w->ws == win->ws) {
6255                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6256                         return;
6257                 }
6258         }
6259 #endif
6260                 break;
6261         }
6262
6263         if ((win = find_window(ev->window)) == NULL) {
6264                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6265                 return;
6266         }
6267
6268         /*
6269          * if we have more enternotifies let them handle it in due time
6270          */
6271         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6272                 DNPRINTF(SWM_D_EVENT,
6273                     "ignoring enternotify: got more enternotify\n");
6274                 XPutBackEvent(display, &cne);
6275                 return;
6276         }
6277
6278         focus_magic(win);
6279 }
6280
6281 /* lets us use one switch statement for arbitrary mode/detail combinations */
6282 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6283
6284 void
6285 focusevent(XEvent *e)
6286 {
6287 #if 0
6288         struct ws_win           *win;
6289         u_int32_t               mode_detail;
6290         XFocusChangeEvent       *ev = &e->xfocus;
6291
6292         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6293             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6294             ev->window, ev->mode, ev->detail);
6295
6296         if (last_focus_event == ev->type) {
6297                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6298                 return;
6299         }
6300
6301         last_focus_event = ev->type;
6302         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6303
6304         switch (mode_detail) {
6305         /* synergy client focus operations */
6306         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6307         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6308
6309         /* synergy server focus operations */
6310         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6311
6312         /* Entering applications like rdesktop that mangle the pointer */
6313         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6314
6315                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6316                         XSetWindowBorder(display, win->id,
6317                             win->ws->r->s->c[ev->type == FocusIn ?
6318                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6319                 break;
6320         default:
6321                 warnx("ignoring focusevent");
6322                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6323                 break;
6324         }
6325 #endif
6326 }
6327
6328 void
6329 mapnotify(XEvent *e)
6330 {
6331         struct ws_win           *win;
6332         XMapEvent               *ev = &e->xmap;
6333
6334         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6335
6336         win = manage_window(ev->window);
6337         if (win)
6338                 set_win_state(win, NormalState);
6339 }
6340
6341 void
6342 mappingnotify(XEvent *e)
6343 {
6344         XMappingEvent           *ev = &e->xmapping;
6345
6346         XRefreshKeyboardMapping(ev);
6347         if (ev->request == MappingKeyboard)
6348                 grabkeys();
6349 }
6350
6351 void
6352 maprequest(XEvent *e)
6353 {
6354         struct ws_win           *win;
6355         struct swm_region       *r;
6356         XWindowAttributes       wa;
6357         XMapRequestEvent        *ev = &e->xmaprequest;
6358
6359         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6360             e->xmaprequest.window);
6361
6362         if (!XGetWindowAttributes(display, ev->window, &wa))
6363                 return;
6364         if (wa.override_redirect)
6365                 return;
6366
6367         win = manage_window(e->xmaprequest.window);
6368         if (win == NULL)
6369                 return; /* can't happen */
6370
6371         stack();
6372
6373         /* make new win focused */
6374         r = root_to_region(win->wa.root);
6375         if (win->ws == r->ws)
6376                 focus_magic(win);
6377 }
6378
6379 void
6380 propertynotify(XEvent *e)
6381 {
6382         struct ws_win           *win;
6383         XPropertyEvent          *ev = &e->xproperty;
6384 #ifdef SWM_DEBUG
6385         char                    *name;
6386         name = XGetAtomName(display, ev->atom);
6387         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6388             ev->window, name);
6389         XFree(name);
6390 #endif
6391
6392         win = find_window(ev->window);
6393         if (win == NULL)
6394                 return;
6395
6396         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6397                 update_iconic(win, 0);
6398                 XMapRaised(display, win->id);
6399                 stack();
6400                 focus_win(win);
6401                 return;
6402         }
6403
6404         switch (ev->atom) {
6405 #if 0
6406         case XA_WM_NORMAL_HINTS:
6407                 long            mask;
6408                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6409                 warnx("normal hints: flag 0x%x", win->sh.flags);
6410                 if (win->sh.flags & PMinSize) {
6411                         WIDTH(win) = win->sh.min_width;
6412                         HEIGHT(win) = win->sh.min_height;
6413                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6414                 }
6415                 XMoveResizeWindow(display, win->id,
6416                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6417 #endif
6418         case XA_WM_CLASS:
6419                 if (title_name_enabled || title_class_enabled)
6420                         bar_update();
6421                 break;
6422         case XA_WM_NAME:
6423                 if (window_name_enabled)
6424                         bar_update();
6425                 break;
6426         default:
6427                 break;
6428         }
6429 }
6430
6431 void
6432 unmapnotify(XEvent *e)
6433 {
6434         struct ws_win           *win;
6435
6436         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6437
6438         /* determine if we need to help unmanage this window */
6439         win = find_window(e->xunmap.window);
6440         if (win == NULL)
6441                 return;
6442
6443         if (getstate(e->xunmap.window) == NormalState) {
6444                 unmanage_window(win);
6445                 stack();
6446
6447                 /* giant hack for apps that don't destroy transient windows */
6448                 /* eat a bunch of events to prevent remanaging the window */
6449                 XEvent                  cne;
6450                 while (XCheckWindowEvent(display, e->xunmap.window,
6451                     EnterWindowMask, &cne))
6452                         ;
6453                 while (XCheckWindowEvent(display, e->xunmap.window,
6454                     StructureNotifyMask, &cne))
6455                         ;
6456                 while (XCheckWindowEvent(display, e->xunmap.window,
6457                     SubstructureNotifyMask, &cne))
6458                         ;
6459                 /* resend unmap because we ated it */
6460                 XUnmapWindow(display, e->xunmap.window);
6461         }
6462
6463         if (focus_mode == SWM_FOCUS_DEFAULT)
6464                 drain_enter_notify();
6465 }
6466
6467 void
6468 visibilitynotify(XEvent *e)
6469 {
6470         int                     i;
6471         struct swm_region       *r;
6472
6473         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6474             e->xvisibility.window);
6475         if (e->xvisibility.state == VisibilityUnobscured)
6476                 for (i = 0; i < ScreenCount(display); i++)
6477                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6478                                 if (e->xvisibility.window == r->bar_window)
6479                                         bar_update();
6480 }
6481
6482 void
6483 clientmessage(XEvent *e)
6484 {
6485         XClientMessageEvent *ev;
6486         struct ws_win *win;
6487
6488         ev = &e->xclient;
6489
6490         win = find_window(ev->window);
6491         if (win == NULL)
6492                 return;
6493
6494         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6495             ev->window, ev->message_type);
6496
6497         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6498                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6499                 focus_win(win);
6500         }
6501         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6502                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6503                 if (win->can_delete)
6504                         client_msg(win, adelete);
6505                 else
6506                         XKillClient(display, win->id);
6507         }
6508         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6509                 DNPRINTF(SWM_D_EVENT,
6510                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6511                 if (win->floating) {
6512                         if (ev->data.l[0] & (1<<8)) /* x */
6513                                 X(win) = ev->data.l[1];
6514                         if (ev->data.l[0] & (1<<9)) /* y */
6515                                 Y(win) = ev->data.l[2];
6516                         if (ev->data.l[0] & (1<<10)) /* width */
6517                                 WIDTH(win) = ev->data.l[3];
6518                         if (ev->data.l[0] & (1<<11)) /* height */
6519                                 HEIGHT(win) = ev->data.l[4];
6520
6521                         update_window(win);
6522                 }
6523                 else {
6524                         /* TODO: Change stack sizes */
6525                         /* notify no change was made. */
6526                         config_win(win, NULL);
6527                 }
6528         }
6529         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6530                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6531                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6532                 if (ev->data.l[2])
6533                         ewmh_update_win_state(win, ev->data.l[2],
6534                             ev->data.l[0]);
6535
6536                 stack();
6537         }
6538 }
6539
6540 int
6541 xerror_start(Display *d, XErrorEvent *ee)
6542 {
6543         other_wm = 1;
6544         return (-1);
6545 }
6546
6547 int
6548 xerror(Display *d, XErrorEvent *ee)
6549 {
6550         /* warnx("error: %p %p", display, ee); */
6551         return (-1);
6552 }
6553
6554 int
6555 active_wm(void)
6556 {
6557         other_wm = 0;
6558         xerrorxlib = XSetErrorHandler(xerror_start);
6559
6560         /* this causes an error if some other window manager is running */
6561         XSelectInput(display, DefaultRootWindow(display),
6562             SubstructureRedirectMask);
6563         XSync(display, False);
6564         if (other_wm)
6565                 return (1);
6566
6567         XSetErrorHandler(xerror);
6568         XSync(display, False);
6569         return (0);
6570 }
6571
6572 void
6573 new_region(struct swm_screen *s, int x, int y, int w, int h)
6574 {
6575         struct swm_region       *r, *n;
6576         struct workspace        *ws = NULL;
6577         int                     i;
6578
6579         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6580              s->idx, w, h, x, y);
6581
6582         /* remove any conflicting regions */
6583         n = TAILQ_FIRST(&s->rl);
6584         while (n) {
6585                 r = n;
6586                 n = TAILQ_NEXT(r, entry);
6587                 if (X(r) < (x + w) &&
6588                     (X(r) + WIDTH(r)) > x &&
6589                     Y(r) < (y + h) &&
6590                     (Y(r) + HEIGHT(r)) > y) {
6591                         if (r->ws->r != NULL)
6592                                 r->ws->old_r = r->ws->r;
6593                         r->ws->r = NULL;
6594                         XDestroyWindow(display, r->bar_window);
6595                         TAILQ_REMOVE(&s->rl, r, entry);
6596                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6597                 }
6598         }
6599
6600         /* search old regions for one to reuse */
6601
6602         /* size + location match */
6603         TAILQ_FOREACH(r, &s->orl, entry)
6604                 if (X(r) == x && Y(r) == y &&
6605                     HEIGHT(r) == h && WIDTH(r) == w)
6606                         break;
6607
6608         /* size match */
6609         TAILQ_FOREACH(r, &s->orl, entry)
6610                 if (HEIGHT(r) == h && WIDTH(r) == w)
6611                         break;
6612
6613         if (r != NULL) {
6614                 TAILQ_REMOVE(&s->orl, r, entry);
6615                 /* try to use old region's workspace */
6616                 if (r->ws->r == NULL)
6617                         ws = r->ws;
6618         } else
6619                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6620                         err(1, "new_region: calloc: failed to allocate memory "
6621                             "for screen");
6622
6623         /* if we don't have a workspace already, find one */
6624         if (ws == NULL) {
6625                 for (i = 0; i < SWM_WS_MAX; i++)
6626                         if (s->ws[i].r == NULL) {
6627                                 ws = &s->ws[i];
6628                                 break;
6629                         }
6630         }
6631
6632         if (ws == NULL)
6633                 errx(1, "new_region: no free workspaces");
6634
6635         X(r) = x;
6636         Y(r) = y;
6637         WIDTH(r) = w;
6638         HEIGHT(r) = h;
6639         r->s = s;
6640         r->ws = ws;
6641         r->ws_prior = NULL;
6642         ws->r = r;
6643         outputs++;
6644         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6645 }
6646
6647 void
6648 scan_xrandr(int i)
6649 {
6650 #ifdef SWM_XRR_HAS_CRTC
6651         XRRCrtcInfo             *ci;
6652         XRRScreenResources      *sr;
6653         int                     c;
6654         int                     ncrtc = 0;
6655 #endif /* SWM_XRR_HAS_CRTC */
6656         struct swm_region       *r;
6657
6658
6659         if (i >= ScreenCount(display))
6660                 errx(1, "scan_xrandr: invalid screen");
6661
6662         /* remove any old regions */
6663         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6664                 r->ws->old_r = r->ws->r = NULL;
6665                 XDestroyWindow(display, r->bar_window);
6666                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6667                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6668         }
6669         outputs = 0;
6670
6671         /* map virtual screens onto physical screens */
6672 #ifdef SWM_XRR_HAS_CRTC
6673         if (xrandr_support) {
6674                 sr = XRRGetScreenResources(display, screens[i].root);
6675                 if (sr == NULL)
6676                         new_region(&screens[i], 0, 0,
6677                             DisplayWidth(display, i),
6678                             DisplayHeight(display, i));
6679                 else
6680                         ncrtc = sr->ncrtc;
6681
6682                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6683                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6684                         if (ci->noutput == 0)
6685                                 continue;
6686
6687                         if (ci != NULL && ci->mode == None)
6688                                 new_region(&screens[i], 0, 0,
6689                                     DisplayWidth(display, i),
6690                                     DisplayHeight(display, i));
6691                         else
6692                                 new_region(&screens[i],
6693                                     ci->x, ci->y, ci->width, ci->height);
6694                 }
6695                 if (ci)
6696                         XRRFreeCrtcInfo(ci);
6697                 XRRFreeScreenResources(sr);
6698         } else
6699 #endif /* SWM_XRR_HAS_CRTC */
6700         {
6701                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6702                     DisplayHeight(display, i));
6703         }
6704 }
6705
6706 void
6707 screenchange(XEvent *e) {
6708         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6709         struct swm_region               *r;
6710         int                             i;
6711
6712         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
6713
6714         if (!XRRUpdateConfiguration(e))
6715                 return;
6716
6717         /* silly event doesn't include the screen index */
6718         for (i = 0; i < ScreenCount(display); i++)
6719                 if (screens[i].root == xe->root)
6720                         break;
6721         if (i >= ScreenCount(display))
6722                 errx(1, "screenchange: screen not found");
6723
6724         /* brute force for now, just re-enumerate the regions */
6725         scan_xrandr(i);
6726
6727         /* add bars to all regions */
6728         for (i = 0; i < ScreenCount(display); i++)
6729                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6730                         bar_setup(r);
6731         stack();
6732         if (focus_mode == SWM_FOCUS_DEFAULT)
6733                 drain_enter_notify();
6734 }
6735
6736 void
6737 grab_windows(void)
6738 {
6739         Window                  d1, d2, *wins = NULL;
6740         XWindowAttributes       wa;
6741         unsigned int            no;
6742         int                     i, j;
6743         long                    state, manage;
6744
6745         for (i = 0; i < ScreenCount(display); i++) {
6746                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6747                         continue;
6748
6749                 /* attach windows to a region */
6750                 /* normal windows */
6751                 for (j = 0; j < no; j++) {
6752                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6753                             wa.override_redirect ||
6754                             XGetTransientForHint(display, wins[j], &d1))
6755                                 continue;
6756
6757                         state = getstate(wins[j]);
6758                         manage = state == IconicState;
6759                         if (wa.map_state == IsViewable || manage)
6760                                 manage_window(wins[j]);
6761                 }
6762                 /* transient windows */
6763                 for (j = 0; j < no; j++) {
6764                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6765                             wa.override_redirect)
6766                                 continue;
6767
6768                         state = getstate(wins[j]);
6769                         manage = state == IconicState;
6770                         if (XGetTransientForHint(display, wins[j], &d1) &&
6771                             manage)
6772                                 manage_window(wins[j]);
6773                 }
6774                 if (wins) {
6775                         XFree(wins);
6776                         wins = NULL;
6777                 }
6778         }
6779 }
6780
6781 void
6782 setup_screens(void)
6783 {
6784         int                     i, j, k;
6785         int                     errorbase, major, minor;
6786         struct workspace        *ws;
6787         XGCValues               gcv;
6788
6789         if ((screens = calloc(ScreenCount(display),
6790              sizeof(struct swm_screen))) == NULL)
6791                 err(1, "setup_screens: calloc: failed to allocate memory for "
6792                     "screens");
6793
6794         /* initial Xrandr setup */
6795         xrandr_support = XRRQueryExtension(display,
6796             &xrandr_eventbase, &errorbase);
6797         if (xrandr_support)
6798                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6799                         xrandr_support = 0;
6800
6801         /* map physical screens */
6802         for (i = 0; i < ScreenCount(display); i++) {
6803                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
6804                 screens[i].idx = i;
6805                 TAILQ_INIT(&screens[i].rl);
6806                 TAILQ_INIT(&screens[i].orl);
6807                 screens[i].root = RootWindow(display, i);
6808
6809                 /* set default colors */
6810                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6811                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6812                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6813                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6814                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6815
6816                 /* create graphics context on screen with default font color */
6817                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
6818                     &gcv);
6819
6820                 XSetForeground(display, screens[i].bar_gc,
6821                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6822
6823                 /* set default cursor */
6824                 XDefineCursor(display, screens[i].root,
6825                     XCreateFontCursor(display, XC_left_ptr));
6826
6827                 /* init all workspaces */
6828                 /* XXX these should be dynamically allocated too */
6829                 for (j = 0; j < SWM_WS_MAX; j++) {
6830                         ws = &screens[i].ws[j];
6831                         ws->idx = j;
6832                         ws->name = NULL;
6833                         ws->focus = NULL;
6834                         ws->r = NULL;
6835                         ws->old_r = NULL;
6836                         TAILQ_INIT(&ws->winlist);
6837                         TAILQ_INIT(&ws->unmanagedlist);
6838
6839                         for (k = 0; layouts[k].l_stack != NULL; k++)
6840                                 if (layouts[k].l_config != NULL)
6841                                         layouts[k].l_config(ws,
6842                                             SWM_ARG_ID_STACKINIT);
6843                         ws->cur_layout = &layouts[0];
6844                         ws->cur_layout->l_string(ws);
6845                 }
6846
6847                 scan_xrandr(i);
6848
6849                 if (xrandr_support)
6850                         XRRSelectInput(display, screens[i].root,
6851                             RRScreenChangeNotifyMask);
6852         }
6853 }
6854
6855 void
6856 setup_globals(void)
6857 {
6858         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
6859                 err(1, "setup_globals: strdup: failed to allocate memory.");
6860
6861         if ((spawn_term[0] = strdup("xterm")) == NULL)
6862                 err(1, "setup_globals: strdup: failed to allocate memory.");
6863
6864         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6865                 err(1, "setup_globals: strdup: failed to allocate memory.");
6866 }
6867
6868 void
6869 workaround(void)
6870 {
6871         int                     i;
6872         Atom                    netwmcheck, netwmname, utf8_string;
6873         Window                  root, win;
6874
6875         /* work around sun jdk bugs, code from wmname */
6876         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6877         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6878         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6879         for (i = 0; i < ScreenCount(display); i++) {
6880                 root = screens[i].root;
6881                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6882                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6883                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6884
6885                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6886                     PropModeReplace, (unsigned char *)&win,1);
6887                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6888                     PropModeReplace, (unsigned char *)&win,1);
6889                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6890                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6891         }
6892 }
6893
6894 int
6895 main(int argc, char *argv[])
6896 {
6897         struct swm_region       *r, *rr;
6898         struct ws_win           *winfocus = NULL;
6899         struct timeval          tv;
6900         union arg               a;
6901         char                    conf[PATH_MAX], *cfile = NULL;
6902         struct stat             sb;
6903         XEvent                  e;
6904         int                     xfd, i;
6905         fd_set                  rd;
6906         struct sigaction        sact;
6907
6908         start_argv = argv;
6909         warnx("Welcome to scrotwm V%s Build: %s", SCROTWM_VERSION, buildstr);
6910         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6911             !XSupportsLocale())
6912                 warnx("no locale support");
6913
6914         if (!X_HAVE_UTF8_STRING)
6915                 warnx("no UTF-8 support");
6916
6917         if (!(display = XOpenDisplay(0)))
6918                 errx(1, "can not open display");
6919
6920         if (active_wm())
6921                 errx(1, "other wm running");
6922
6923         /* handle some signals */
6924         bzero(&sact, sizeof(sact));
6925         sigemptyset(&sact.sa_mask);
6926         sact.sa_flags = 0;
6927         sact.sa_handler = sighdlr;
6928         sigaction(SIGINT, &sact, NULL);
6929         sigaction(SIGQUIT, &sact, NULL);
6930         sigaction(SIGTERM, &sact, NULL);
6931         sigaction(SIGHUP, &sact, NULL);
6932
6933         sact.sa_handler = sighdlr;
6934         sact.sa_flags = SA_NOCLDSTOP;
6935         sigaction(SIGCHLD, &sact, NULL);
6936
6937         astate = XInternAtom(display, "WM_STATE", False);
6938         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6939         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6940         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6941         a_wmname = XInternAtom(display, "WM_NAME", False);
6942         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6943         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6944         a_string = XInternAtom(display, "STRING", False);
6945         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6946
6947         /* look for local and global conf file */
6948         pwd = getpwuid(getuid());
6949         if (pwd == NULL)
6950                 errx(1, "invalid user: %d", getuid());
6951
6952         setup_globals();
6953         setup_screens();
6954         setup_keys();
6955         setup_quirks();
6956         setup_spawn();
6957
6958         /* load config */
6959         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6960         if (stat(conf, &sb) != -1) {
6961                 if (S_ISREG(sb.st_mode))
6962                         cfile = conf;
6963         } else {
6964                 /* try global conf file */
6965                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6966                 if (!stat(conf, &sb))
6967                         if (S_ISREG(sb.st_mode))
6968                                 cfile = conf;
6969         }
6970
6971         /* load conf (if any) and refresh font color in bar graphics contexts */
6972         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
6973                 for (i = 0; i < ScreenCount(display); ++i)
6974                         XSetForeground(display, screens[i].bar_gc,
6975                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6976
6977         setup_ewmh();
6978         /* set some values to work around bad programs */
6979         workaround();
6980         /* grab existing windows (before we build the bars) */
6981         grab_windows();
6982
6983         if (getenv("SWM_STARTED") == NULL)
6984                 setenv("SWM_STARTED", "YES", 1);
6985
6986         /* setup all bars */
6987         for (i = 0; i < ScreenCount(display); i++)
6988                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6989                         if (winfocus == NULL)
6990                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6991                         bar_setup(r);
6992                 }
6993
6994         unfocus_all();
6995
6996         grabkeys();
6997         stack();
6998         if (focus_mode == SWM_FOCUS_DEFAULT)
6999                 drain_enter_notify();
7000
7001         xfd = ConnectionNumber(display);
7002         while (running) {
7003                 while (XPending(display)) {
7004                         XNextEvent(display, &e);
7005                         if (running == 0)
7006                                 goto done;
7007                         if (e.type < LASTEvent) {
7008                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7009                                     "window: 0x%lx, type: %s (%d), %d remaining"
7010                                     "\n", YESNO(handler[e.type]),
7011                                     e.xany.window, geteventname(&e),
7012                                     e.type, QLength(display));
7013
7014                                 if (handler[e.type])
7015                                         handler[e.type](&e);
7016                         } else {
7017                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7018                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7019                                     xrandr_geteventname(&e), e.type);
7020
7021                                 switch (e.type - xrandr_eventbase) {
7022                                 case RRScreenChangeNotify:
7023                                         screenchange(&e);
7024                                         break;
7025                                 default:
7026                                         break;
7027                                 }
7028                         }
7029                 }
7030
7031                 /* if we are being restarted go focus on first window */
7032                 if (winfocus) {
7033                         rr = winfocus->ws->r;
7034                         if (rr == NULL) {
7035                                 /* not a visible window */
7036                                 winfocus = NULL;
7037                                 continue;
7038                         }
7039                         /* move pointer to first screen if multi screen */
7040                         if (ScreenCount(display) > 1 || outputs > 1)
7041                                 XWarpPointer(display, None, rr->s[0].root,
7042                                     0, 0, 0, 0, X(rr),
7043                                     Y(rr) + (bar_enabled ? bar_height : 0));
7044
7045                         a.id = SWM_ARG_ID_FOCUSCUR;
7046                         focus(rr, &a);
7047                         winfocus = NULL;
7048                         continue;
7049                 }
7050
7051                 FD_ZERO(&rd);
7052                 FD_SET(xfd, &rd);
7053                 tv.tv_sec = 1;
7054                 tv.tv_usec = 0;
7055                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7056                         if (errno != EINTR)
7057                                 DNPRINTF(SWM_D_MISC, "select failed");
7058                 if (restart_wm == 1)
7059                         restart(NULL, NULL);
7060                 if (search_resp == 1)
7061                         search_do_resp();
7062                 if (running == 0)
7063                         goto done;
7064                 if (bar_alarm) {
7065                         bar_alarm = 0;
7066                         bar_update();
7067                 }
7068         }
7069 done:
7070         teardown_ewmh();
7071         bar_extra_stop();
7072
7073         for (i = 0; i < ScreenCount(display); ++i)
7074                 if (screens[i].bar_gc != NULL)
7075                         XFreeGC(display, screens[i].bar_gc);
7076
7077         XFreeFontSet(display, bar_fs);
7078         XCloseDisplay(display);
7079
7080         return (0);
7081 }