scrotwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  *
  10  * Permission to use, copy, modify, and distribute this software for any
  11  * purpose with or without fee is hereby granted, provided that the above
  12  * copyright notice and this permission notice appear in all copies.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  15  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  16  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  17  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  19  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  20  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21  */
  22 /*
  23  * Much code and ideas taken from dwm under the following license:
  24  * MIT/X Consortium License
  25  *
  26  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  27  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  28  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  29  * 2007 Premysl Hruby <dfenze at gmail dot com>
  30  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  31  * 2007 Christof Musik <christof at sendfax dot de>
  32  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  33  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  34  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  35  *
  36  * Permission is hereby granted, free of charge, to any person obtaining a
  37  * copy of this software and associated documentation files (the "Software"),
  38  * to deal in the Software without restriction, including without limitation
  39  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  40  * and/or sell copies of the Software, and to permit persons to whom the
  41  * Software is furnished to do so, subject to the following conditions:
  42  *
  43  * The above copyright notice and this permission notice shall be included in
  44  * all copies or substantial portions of the Software.
  45  *
  46  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  47  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  48  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  49  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  50  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  51  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  52  * DEALINGS IN THE SOFTWARE.
  53  */
  54
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <err.h>
  58 #include <errno.h>
  59 #include <fcntl.h>
  60 #include <locale.h>
  61 #include <unistd.h>
  62 #include <time.h>
  63 #include <signal.h>
  64 #include <string.h>
  65 #include <util.h>
  66 #include <pwd.h>
  67 #include <paths.h>
  68 #include <ctype.h>
  69
  70 #include <sys/types.h>
  71 #include <sys/time.h>
  72 #include <sys/stat.h>
  73 #include <sys/wait.h>
  74 #include <sys/queue.h>
  75 #include <sys/param.h>
  76 #include <sys/select.h>
  77
  78 #include <X11/cursorfont.h>
  79 #include <X11/keysym.h>
  80 #include <X11/Xatom.h>
  81 #include <X11/Xlib.h>
  82 #include <X11/Xproto.h>
  83 #include <X11/Xutil.h>
  84 #include <X11/extensions/Xrandr.h>
  85 #include <X11/extensions/XTest.h>
  86
  87 #ifdef __OSX__
  88 #include <osx.h>
  89 #endif
  90
  91 #include "version.h"
  92
  93 #ifdef SCROTWM_BUILDSTR
  94 static const char       *buildstr = SCROTWM_BUILDSTR;
  95 #else
  96 static const char       *buildstr = SCROTWM_VERSION;
  97 #endif
  98
  99 #if RANDR_MAJOR < 1
 100 #  error XRandR versions less than 1.0 are not supported
 101 #endif
 102
 103 #if RANDR_MAJOR >= 1
 104 #if RANDR_MINOR >= 2
 105 #define SWM_XRR_HAS_CRTC
 106 #endif
 107 #endif
 108
 109 /*#define SWM_DEBUG*/
 110 #ifdef SWM_DEBUG
 111 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 112 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 113 #define SWM_D_MISC              0x0001
 114 #define SWM_D_EVENT             0x0002
 115 #define SWM_D_WS                0x0004
 116 #define SWM_D_FOCUS             0x0008
 117 #define SWM_D_MOVE              0x0010
 118 #define SWM_D_STACK             0x0020
 119 #define SWM_D_MOUSE             0x0040
 120 #define SWM_D_PROP              0x0080
 121 #define SWM_D_CLASS             0x0100
 122 #define SWM_D_KEY               0x0200
 123 #define SWM_D_QUIRK             0x0400
 124 #define SWM_D_SPAWN             0x0800
 125 #define SWM_D_EVENTQ            0x1000
 126 #define SWM_D_CONF              0x2000
 127 #define SWM_D_BAR               0x4000
 128
 129 u_int32_t               swm_debug = 0
 130                             | SWM_D_MISC
 131                             | SWM_D_EVENT
 132                             | SWM_D_WS
 133                             | SWM_D_FOCUS
 134                             | SWM_D_MOVE
 135                             | SWM_D_STACK
 136                             | SWM_D_MOUSE
 137                             | SWM_D_PROP
 138                             | SWM_D_CLASS
 139                             | SWM_D_KEY
 140                             | SWM_D_QUIRK
 141                             | SWM_D_SPAWN
 142                             | SWM_D_EVENTQ
 143                             | SWM_D_CONF
 144                             | SWM_D_BAR
 145                             ;
 146 #else
 147 #define DPRINTF(x...)
 148 #define DNPRINTF(n,x...)
 149 #endif
 150
 151 #define LENGTH(x)               (sizeof x / sizeof x[0])
 152 #define MODKEY                  Mod1Mask
 153 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 154 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 155 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 156 #define SWM_PROPLEN             (16)
 157 #define SWM_FUNCNAME_LEN        (32)
 158 #define SWM_KEYS_LEN            (255)
 159 #define SWM_QUIRK_LEN           (64)
 160 #define X(r)                    (r)->g.x
 161 #define Y(r)                    (r)->g.y
 162 #define WIDTH(r)                (r)->g.w
 163 #define HEIGHT(r)               (r)->g.h
 164 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 165 #define SH_MIN_W(w)             (w)->sh.min_width
 166 #define SH_MIN_H(w)             (w)->sh.min_height
 167 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 168 #define SH_MAX_W(w)             (w)->sh.max_width
 169 #define SH_MAX_H(w)             (w)->sh.max_height
 170 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 171 #define SH_INC_W(w)             (w)->sh.width_inc
 172 #define SH_INC_H(w)             (w)->sh.height_inc
 173 #define SWM_MAX_FONT_STEPS      (3)
 174 #define WINID(w)                ((w) ? (w)->id : 0)
 175 #define YESNO(x)                ((x) ? "yes" : "no")
 176
 177 #define SWM_FOCUS_DEFAULT       (0)
 178 #define SWM_FOCUS_SYNERGY       (1)
 179 #define SWM_FOCUS_FOLLOW        (2)
 180
 181 #define SWM_CONF_DEFAULT        (0)
 182 #define SWM_CONF_KEYMAPPING     (1)
 183
 184 #ifndef SWM_LIB
 185 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 186 #endif
 187
 188 char                    **start_argv;
 189 Atom                    astate;
 190 Atom                    aprot;
 191 Atom                    adelete;
 192 Atom                    takefocus;
 193 Atom                    a_wmname;
 194 Atom                    a_netwmname;
 195 Atom                    a_utf8_string;
 196 Atom                    a_string;
 197 Atom                    a_swm_iconic;
 198 volatile sig_atomic_t   running = 1;
 199 volatile sig_atomic_t   restart_wm = 0;
 200 int                     outputs = 0;
 201 int                     last_focus_event = FocusOut;
 202 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 203 int                     other_wm;
 204 int                     ss_enabled = 0;
 205 int                     xrandr_support;
 206 int                     xrandr_eventbase;
 207 unsigned int            numlockmask = 0;
 208 Display                 *display;
 209
 210 int                     cycle_empty = 0;
 211 int                     cycle_visible = 0;
 212 int                     term_width = 0;
 213 int                     font_adjusted = 0;
 214 unsigned int            mod_key = MODKEY;
 215
 216 /* dmenu search */
 217 struct swm_region       *search_r;
 218 int                     select_list_pipe[2];
 219 int                     select_resp_pipe[2];
 220 pid_t                   searchpid;
 221 volatile sig_atomic_t   search_resp;
 222 int                     search_resp_action;
 223
 224 struct search_window {
 225         TAILQ_ENTRY(search_window)      entry;
 226         int                             idx;
 227         struct ws_win                   *win;
 228         GC                              gc;
 229         Window                          indicator;
 230 };
 231 TAILQ_HEAD(search_winlist, search_window);
 232
 233 struct search_winlist search_wl;
 234
 235 /* search actions */
 236 enum {
 237         SWM_SEARCH_NONE,
 238         SWM_SEARCH_UNICONIFY,
 239         SWM_SEARCH_NAME_WORKSPACE,
 240         SWM_SEARCH_SEARCH_WORKSPACE,
 241         SWM_SEARCH_SEARCH_WINDOW
 242 };
 243
 244 /* dialog windows */
 245 double                  dialog_ratio = 0.6;
 246 /* status bar */
 247 #define SWM_BAR_MAX             (256)
 248 #define SWM_BAR_JUSTIFY_LEFT    (0)
 249 #define SWM_BAR_JUSTIFY_CENTER  (1)
 250 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 251 #define SWM_BAR_OFFSET          (4)
 252 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 253                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 254                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 255                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"
 256
 257 #ifdef X_HAVE_UTF8_STRING
 258 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 259 #else
 260 #define DRAWSTRING(x...)        XmbDrawString(x)
 261 #endif
 262
 263 char                    *bar_argv[] = { NULL, NULL };
 264 int                     bar_pipe[2];
 265 unsigned char           bar_ext[SWM_BAR_MAX];
 266 char                    bar_vertext[SWM_BAR_MAX];
 267 int                     bar_version = 0;
 268 sig_atomic_t            bar_alarm = 0;
 269 int                     bar_delay = 30;
 270 int                     bar_enabled = 1;
 271 int                     bar_border_width = 1;
 272 int                     bar_at_bottom = 0;
 273 int                     bar_extra = 1;
 274 int                     bar_extra_running = 0;
 275 int                     bar_verbose = 1;
 276 int                     bar_height = 0;
 277 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 278 int                     stack_enabled = 1;
 279 int                     clock_enabled = 1;
 280 int                     urgent_enabled = 0;
 281 char                    *clock_format = NULL;
 282 int                     title_name_enabled = 0;
 283 int                     title_class_enabled = 0;
 284 int                     window_name_enabled = 0;
 285 int                     focus_mode = SWM_FOCUS_DEFAULT;
 286 int                     disable_border = 0;
 287 int                     border_width = 1;
 288 int                     verbose_layout = 0;
 289 pid_t                   bar_pid;
 290 XFontSet                bar_fs;
 291 XFontSetExtents         *bar_fs_extents;
 292 char                    *bar_fonts;
 293 char                    *spawn_term[] = { NULL, NULL }; /* XXX fully dynamic */
 294 struct passwd           *pwd;
 295
 296 #define SWM_MENU_FN     (2)
 297 #define SWM_MENU_NB     (4)
 298 #define SWM_MENU_NF     (6)
 299 #define SWM_MENU_SB     (8)
 300 #define SWM_MENU_SF     (10)
 301
 302 /* layout manager data */
 303 struct swm_geometry {
 304         int                     x;
 305         int                     y;
 306         int                     w;
 307         int                     h;
 308 };
 309
 310 struct swm_screen;
 311 struct workspace;
 312
 313 /* virtual "screens" */
 314 struct swm_region {
 315         TAILQ_ENTRY(swm_region) entry;
 316         struct swm_geometry     g;
 317         struct workspace        *ws;    /* current workspace on this region */
 318         struct workspace        *ws_prior; /* prior workspace on this region */
 319         struct swm_screen       *s;     /* screen idx */
 320         Window                  bar_window;
 321 };
 322 TAILQ_HEAD(swm_region_list, swm_region);
 323
 324 struct ws_win {
 325         TAILQ_ENTRY(ws_win)     entry;
 326         Window                  id;
 327         Window                  transient;
 328         struct ws_win           *child_trans;   /* transient child window */
 329         struct swm_geometry     g;              /* current geometry */
 330         struct swm_geometry     g_float;        /* geometry when floating */
 331         struct swm_geometry     rg_float;       /* region geom when floating */
 332         int                     g_floatvalid;   /* g_float geometry validity */
 333         int                     floatmaxed;     /* whether maxed by max_stack */
 334         int                     floating;
 335         int                     manual;
 336         int                     iconic;
 337         unsigned int            ewmh_flags;
 338         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 339         int                     font_steps;
 340         int                     last_inc;
 341         int                     can_delete;
 342         int                     take_focus;
 343         int                     java;
 344         unsigned long           quirks;
 345         struct workspace        *ws;    /* always valid */
 346         struct swm_screen       *s;     /* always valid, never changes */
 347         XWindowAttributes       wa;
 348         XSizeHints              sh;
 349         long                    sh_mask;
 350         XClassHint              ch;
 351         XWMHints                *hints;
 352 };
 353 TAILQ_HEAD(ws_win_list, ws_win);
 354
 355 /* pid goo */
 356 struct pid_e {
 357         TAILQ_ENTRY(pid_e)      entry;
 358         long                    pid;
 359         int                     ws;
 360 };
 361 TAILQ_HEAD(pid_list, pid_e);
 362 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 363
 364 /* layout handlers */
 365 void    stack(void);
 366 void    vertical_config(struct workspace *, int);
 367 void    vertical_stack(struct workspace *, struct swm_geometry *);
 368 void    horizontal_config(struct workspace *, int);
 369 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 370 void    max_stack(struct workspace *, struct swm_geometry *);
 371 void    plain_stacker(struct workspace *);
 372 void    fancy_stacker(struct workspace *);
 373
 374 struct ws_win *find_window(Window);
 375
 376 void    grabbuttons(struct ws_win *, int);
 377 void    new_region(struct swm_screen *, int, int, int, int);
 378 void    unmanage_window(struct ws_win *);
 379 long    getstate(Window);
 380
 381 int     conf_load(char *, int);
 382
 383 struct layout {
 384         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 385         void            (*l_config)(struct workspace *, int);
 386         u_int32_t       flags;
 387 #define SWM_L_FOCUSPREV         (1<<0)
 388 #define SWM_L_MAPONFOCUS        (1<<1)
 389         void            (*l_string)(struct workspace *);
 390 } layouts[] =  {
 391         /* stack,               configure */
 392         { vertical_stack,       vertical_config,        0,      plain_stacker },
 393         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 394         { max_stack,            NULL,
 395           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 396         { NULL,                 NULL,                   0,      NULL  },
 397 };
 398
 399 /* position of max_stack mode in the layouts array, index into layouts! */
 400 #define SWM_V_STACK             (0)
 401 #define SWM_H_STACK             (1)
 402 #define SWM_MAX_STACK           (2)
 403
 404 #define SWM_H_SLICE             (32)
 405 #define SWM_V_SLICE             (32)
 406
 407 /* define work spaces */
 408 struct workspace {
 409         int                     idx;            /* workspace index */
 410         char                    *name;          /* workspace name */
 411         int                     always_raise;   /* raise windows on focus */
 412         struct layout           *cur_layout;    /* current layout handlers */
 413         struct ws_win           *focus;         /* may be NULL */
 414         struct ws_win           *focus_prev;    /* may be NULL */
 415         struct swm_region       *r;             /* may be NULL */
 416         struct swm_region       *old_r;         /* may be NULL */
 417         struct ws_win_list      winlist;        /* list of windows in ws */
 418         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 419         char                    stacker[10];    /* display stacker and layout */
 420
 421         /* stacker state */
 422         struct {
 423                                 int horizontal_msize;
 424                                 int horizontal_mwin;
 425                                 int horizontal_stacks;
 426                                 int horizontal_flip;
 427                                 int vertical_msize;
 428                                 int vertical_mwin;
 429                                 int vertical_stacks;
 430                                 int vertical_flip;
 431         } l_state;
 432 };
 433
 434 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 435           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 436
 437 /* physical screen mapping */
 438 #define SWM_WS_MAX              (10)
 439 struct swm_screen {
 440         int                     idx;    /* screen index */
 441         struct swm_region_list  rl;     /* list of regions on this screen */
 442         struct swm_region_list  orl;    /* list of old regions */
 443         Window                  root;
 444         struct workspace        ws[SWM_WS_MAX];
 445
 446         /* colors */
 447         struct {
 448                 unsigned long   color;
 449                 char            *name;
 450         } c[SWM_S_COLOR_MAX];
 451
 452         GC                      bar_gc;
 453 };
 454 struct swm_screen       *screens;
 455 int                     num_screens;
 456
 457 /* args to functions */
 458 union arg {
 459         int                     id;
 460 #define SWM_ARG_ID_FOCUSNEXT    (0)
 461 #define SWM_ARG_ID_FOCUSPREV    (1)
 462 #define SWM_ARG_ID_FOCUSMAIN    (2)
 463 #define SWM_ARG_ID_FOCUSCUR     (4)
 464 #define SWM_ARG_ID_SWAPNEXT     (10)
 465 #define SWM_ARG_ID_SWAPPREV     (11)
 466 #define SWM_ARG_ID_SWAPMAIN     (12)
 467 #define SWM_ARG_ID_MOVELAST     (13)
 468 #define SWM_ARG_ID_MASTERSHRINK (20)
 469 #define SWM_ARG_ID_MASTERGROW   (21)
 470 #define SWM_ARG_ID_MASTERADD    (22)
 471 #define SWM_ARG_ID_MASTERDEL    (23)
 472 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 473 #define SWM_ARG_ID_STACKRESET   (30)
 474 #define SWM_ARG_ID_STACKINIT    (31)
 475 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 476 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 477 #define SWM_ARG_ID_CYCLESC_UP   (42)
 478 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 479 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 480 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 481 #define SWM_ARG_ID_STACKINC     (50)
 482 #define SWM_ARG_ID_STACKDEC     (51)
 483 #define SWM_ARG_ID_SS_ALL       (60)
 484 #define SWM_ARG_ID_SS_WINDOW    (61)
 485 #define SWM_ARG_ID_DONTCENTER   (70)
 486 #define SWM_ARG_ID_CENTER       (71)
 487 #define SWM_ARG_ID_KILLWINDOW   (80)
 488 #define SWM_ARG_ID_DELETEWINDOW (81)
 489 #define SWM_ARG_ID_WIDTHGROW    (90)
 490 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 491 #define SWM_ARG_ID_HEIGHTGROW   (92)
 492 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 493 #define SWM_ARG_ID_MOVEUP       (100)
 494 #define SWM_ARG_ID_MOVEDOWN     (101)
 495 #define SWM_ARG_ID_MOVELEFT     (102)
 496 #define SWM_ARG_ID_MOVERIGHT    (103)
 497         char                    **argv;
 498 };
 499
 500 void    focus(struct swm_region *, union arg *);
 501 void    focus_magic(struct ws_win *);
 502
 503 /* quirks */
 504 struct quirk {
 505         TAILQ_ENTRY(quirk)      entry;
 506         char                    *class;
 507         char                    *name;
 508         unsigned long           quirk;
 509 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 510 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 511 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 512 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 513 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 514 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 515 };
 516 TAILQ_HEAD(quirk_list, quirk);
 517 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 518
 519 /*
 520  * Supported EWMH hints should be added to
 521  * both the enum and the ewmh array
 522  */
 523 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 524     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 525     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 526     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 527     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 528     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 529     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 530     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 531     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 532     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 533     SWM_EWMH_HINT_MAX };
 534
 535 struct ewmh_hint {
 536         char    *name;
 537         Atom     atom;
 538 } ewmh[SWM_EWMH_HINT_MAX] =     {
 539     /* must be in same order as in the enum */
 540     {"_NET_ACTIVE_WINDOW", None},
 541     {"_NET_MOVERESIZE_WINDOW", None},
 542     {"_NET_CLOSE_WINDOW", None},
 543     {"_NET_WM_WINDOW_TYPE", None},
 544     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 545     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 546     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 547     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 548     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 549     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 550     {"_NET_WM_STATE", None},
 551     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 552     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 553     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 554     {"_NET_WM_STATE_SKIP_PAGER", None},
 555     {"_NET_WM_STATE_HIDDEN", None},
 556     {"_NET_WM_STATE_ABOVE", None},
 557     {"_SWM_WM_STATE_MANUAL", None},
 558     {"_NET_WM_STATE_FULLSCREEN", None},
 559     {"_NET_WM_ALLOWED_ACTIONS", None},
 560     {"_NET_WM_ACTION_MOVE", None},
 561     {"_NET_WM_ACTION_RESIZE", None},
 562     {"_NET_WM_ACTION_FULLSCREEN", None},
 563     {"_NET_WM_ACTION_CLOSE", None},
 564 };
 565
 566 void             store_float_geom(struct ws_win *, struct swm_region *);
 567 int              floating_toggle_win(struct ws_win *);
 568 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 569 unsigned char   *get_win_name(Window);
 570
 571 int
 572 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 573     unsigned long *nbytes, unsigned char **data)
 574 {
 575         int                     format, status;
 576         unsigned long           *nbytes_ret, *nitems_ret;
 577         unsigned long           nbytes_tmp, nitems_tmp;
 578         Atom                    real;
 579
 580         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 581         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 582
 583         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 584             &real, &format, nitems_ret, nbytes_ret, data);
 585
 586         if (status != Success)
 587                 return False;
 588         if (real != type)
 589                 return False;
 590
 591         return True;
 592 }
 593
 594 void
 595 update_iconic(struct ws_win *win, int newv)
 596 {
 597         int32_t v = newv;
 598         Atom iprop;
 599
 600         win->iconic = newv;
 601
 602         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 603         if (!iprop)
 604                 return;
 605         if (newv)
 606                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 607                     PropModeReplace, (unsigned char *)&v, 1);
 608         else
 609                 XDeleteProperty(display, win->id, iprop);
 610 }
 611
 612 int
 613 get_iconic(struct ws_win *win)
 614 {
 615         int32_t v = 0;
 616         int retfmt, status;
 617         Atom iprop, rettype;
 618         unsigned long nitems, extra;
 619         unsigned char *prop = NULL;
 620
 621         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 622         if (!iprop)
 623                 goto out;
 624         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 625             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 626         if (status != Success)
 627                 goto out;
 628         if (rettype != XA_INTEGER || retfmt != 32)
 629                 goto out;
 630         if (nitems != 1)
 631                 goto out;
 632         v = *((int32_t *)prop);
 633
 634 out:
 635         if (prop != NULL)
 636                 XFree(prop);
 637         return (v);
 638 }
 639
 640 void
 641 setup_ewmh(void)
 642 {
 643         int                     i,j;
 644         Atom                    sup_list;
 645
 646         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 647
 648         for (i = 0; i < LENGTH(ewmh); i++)
 649                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 650
 651         for (i = 0; i < ScreenCount(display); i++) {
 652                 /* Support check window will be created by workaround(). */
 653
 654                 /* Report supported atoms */
 655                 XDeleteProperty(display, screens[i].root, sup_list);
 656                 for (j = 0; j < LENGTH(ewmh); j++)
 657                         XChangeProperty(display, screens[i].root,
 658                             sup_list, XA_ATOM, 32,
 659                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 660         }
 661 }
 662
 663 void
 664 teardown_ewmh(void)
 665 {
 666         int                     i, success;
 667         unsigned char           *data = NULL;
 668         unsigned long           n;
 669         Atom                    sup_check, sup_list;
 670         Window                  id;
 671
 672         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 673         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 674
 675         for (i = 0; i < ScreenCount(display); i++) {
 676                 /* Get the support check window and destroy it */
 677                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 678                     &n, NULL, &data);
 679
 680                 if (success) {
 681                         id = data[0];
 682                         XDestroyWindow(display, id);
 683                         XDeleteProperty(display, screens[i].root, sup_check);
 684                         XDeleteProperty(display, screens[i].root, sup_list);
 685                 }
 686
 687                 XFree(data);
 688         }
 689 }
 690
 691 void
 692 ewmh_autoquirk(struct ws_win *win)
 693 {
 694         int                     success, i;
 695         unsigned long           *data = NULL, n;
 696         Atom                    type;
 697
 698         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 699             XA_ATOM, &n, NULL, (void *)&data);
 700
 701         if (!success) {
 702                 XFree(data);
 703                 return;
 704         }
 705
 706         for (i = 0; i < n; i++) {
 707                 type = data[i];
 708                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 709                         break;
 710                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 711                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 712                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 713                         win->floating = 1;
 714                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 715                         break;
 716                 }
 717                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 718                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 719                         win->floating = 1;
 720                         win->quirks = SWM_Q_FLOAT;
 721                         break;
 722                 }
 723         }
 724
 725         XFree(data);
 726 }
 727
 728 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 729 #define EWMH_F_FULLSCREEN               (1<<0)
 730 #define EWMH_F_ABOVE                    (1<<1)
 731 #define EWMH_F_HIDDEN                   (1<<2)
 732 #define EWMH_F_SKIP_PAGER               (1<<3)
 733 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 734 #define SWM_F_MANUAL                    (1<<5)
 735
 736 int
 737 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 738 {
 739         struct swm_geometry     rg;
 740
 741         if (!win->ws->r)
 742                 return 0;
 743
 744         if (!win->floating)
 745                 return 0;
 746
 747         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 748             "fullscreen %s\n", win->id, YESNO(fs));
 749
 750         rg = win->ws->r->g;
 751
 752         if (fs) {
 753                 store_float_geom(win, win->ws->r);
 754
 755                 win->g = rg;
 756         } else {
 757                 if (win->g_floatvalid) {
 758                         /* refloat at last floating relative position */
 759                         X(win) = win->g_float.x - win->rg_float.x + rg.x;
 760                         Y(win) = win->g_float.y - win->rg_float.y + rg.y;
 761                         WIDTH(win) = win->g_float.w;
 762                         HEIGHT(win) = win->g_float.h;
 763                 }
 764         }
 765
 766         return 1;
 767 }
 768
 769 void
 770 ewmh_update_actions(struct ws_win *win)
 771 {
 772         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 773         int                     n = 0;
 774
 775         if (win == NULL)
 776                 return;
 777
 778         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 779
 780         if (win->floating) {
 781                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 782                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 783         }
 784
 785         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 786             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 787 }
 788
 789 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 790 #define _NET_WM_STATE_ADD       1    /* add/set property */
 791 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 792
 793 void
 794 ewmh_update_win_state(struct ws_win *win, long state, long action)
 795 {
 796         unsigned int            mask = 0;
 797         unsigned int            changed = 0;
 798         unsigned int            orig_flags;
 799
 800         if (win == NULL)
 801                 return;
 802
 803         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 804                 mask = EWMH_F_FULLSCREEN;
 805         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 806                 mask = EWMH_F_ABOVE;
 807         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 808                 mask = SWM_F_MANUAL;
 809         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 810                 mask = EWMH_F_SKIP_PAGER;
 811         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 812                 mask = EWMH_F_SKIP_TASKBAR;
 813
 814
 815         orig_flags = win->ewmh_flags;
 816
 817         switch (action) {
 818         case _NET_WM_STATE_REMOVE:
 819                 win->ewmh_flags &= ~mask;
 820                 break;
 821         case _NET_WM_STATE_ADD:
 822                 win->ewmh_flags |= mask;
 823                 break;
 824         case _NET_WM_STATE_TOGGLE:
 825                 win->ewmh_flags ^= mask;
 826                 break;
 827         }
 828
 829         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 830
 831         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 832                 if (changed)
 833                         if (!floating_toggle_win(win))
 834                                 win->ewmh_flags = orig_flags; /* revert */
 835         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 836                 if (changed)
 837                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 838         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 839                 if (changed)
 840                         if (!ewmh_set_win_fullscreen(win,
 841                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 842                                 win->ewmh_flags = orig_flags; /* revert */
 843
 844         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 845
 846         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 847                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 848                     XA_ATOM, 32, PropModeAppend,
 849                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 850         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 851                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 852                     XA_ATOM, 32, PropModeAppend,
 853                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 854         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 855                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 856                     XA_ATOM, 32, PropModeAppend,
 857                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 858         if (win->ewmh_flags & EWMH_F_ABOVE)
 859                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 860                     XA_ATOM, 32, PropModeAppend,
 861                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 862         if (win->ewmh_flags & SWM_F_MANUAL)
 863                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 864                     XA_ATOM, 32, PropModeAppend,
 865                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 866 }
 867
 868 void
 869 ewmh_get_win_state(struct ws_win *win)
 870 {
 871         int                     success, i;
 872         unsigned long           n;
 873         Atom                    *states;
 874
 875         if (win == NULL)
 876                 return;
 877
 878         win->ewmh_flags = 0;
 879         if (win->floating)
 880                 win->ewmh_flags |= EWMH_F_ABOVE;
 881         if (win->manual)
 882                 win->ewmh_flags |= SWM_F_MANUAL;
 883
 884         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 885             (~0L), XA_ATOM, &n, NULL, (void *)&states);
 886
 887         if (!success)
 888                 return;
 889
 890         for (i = 0; i < n; i++)
 891                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 892
 893         XFree(states);
 894 }
 895
 896 /* events */
 897 #ifdef SWM_DEBUG
 898 char *
 899 geteventname(XEvent *e)
 900 {
 901         char                    *name = NULL;
 902
 903         switch (e->type) {
 904         case KeyPress:
 905                 name = "KeyPress";
 906                 break;
 907         case KeyRelease:
 908                 name = "KeyRelease";
 909                 break;
 910         case ButtonPress:
 911                 name = "ButtonPress";
 912                 break;
 913         case ButtonRelease:
 914                 name = "ButtonRelease";
 915                 break;
 916         case MotionNotify:
 917                 name = "MotionNotify";
 918                 break;
 919         case EnterNotify:
 920                 name = "EnterNotify";
 921                 break;
 922         case LeaveNotify:
 923                 name = "LeaveNotify";
 924                 break;
 925         case FocusIn:
 926                 name = "FocusIn";
 927                 break;
 928         case FocusOut:
 929                 name = "FocusOut";
 930                 break;
 931         case KeymapNotify:
 932                 name = "KeymapNotify";
 933                 break;
 934         case Expose:
 935                 name = "Expose";
 936                 break;
 937         case GraphicsExpose:
 938                 name = "GraphicsExpose";
 939                 break;
 940         case NoExpose:
 941                 name = "NoExpose";
 942                 break;
 943         case VisibilityNotify:
 944                 name = "VisibilityNotify";
 945                 break;
 946         case CreateNotify:
 947                 name = "CreateNotify";
 948                 break;
 949         case DestroyNotify:
 950                 name = "DestroyNotify";
 951                 break;
 952         case UnmapNotify:
 953                 name = "UnmapNotify";
 954                 break;
 955         case MapNotify:
 956                 name = "MapNotify";
 957                 break;
 958         case MapRequest:
 959                 name = "MapRequest";
 960                 break;
 961         case ReparentNotify:
 962                 name = "ReparentNotify";
 963                 break;
 964         case ConfigureNotify:
 965                 name = "ConfigureNotify";
 966                 break;
 967         case ConfigureRequest:
 968                 name = "ConfigureRequest";
 969                 break;
 970         case GravityNotify:
 971                 name = "GravityNotify";
 972                 break;
 973         case ResizeRequest:
 974                 name = "ResizeRequest";
 975                 break;
 976         case CirculateNotify:
 977                 name = "CirculateNotify";
 978                 break;
 979         case CirculateRequest:
 980                 name = "CirculateRequest";
 981                 break;
 982         case PropertyNotify:
 983                 name = "PropertyNotify";
 984                 break;
 985         case SelectionClear:
 986                 name = "SelectionClear";
 987                 break;
 988         case SelectionRequest:
 989                 name = "SelectionRequest";
 990                 break;
 991         case SelectionNotify:
 992                 name = "SelectionNotify";
 993                 break;
 994         case ColormapNotify:
 995                 name = "ColormapNotify";
 996                 break;
 997         case ClientMessage:
 998                 name = "ClientMessage";
 999                 break;
1000         case MappingNotify:
1001                 name = "MappingNotify";
1002                 break;
1003         default:
1004                 name = "Unknown";
1005         }
1006
1007         return name;
1008 }
1009
1010 char *
1011 xrandr_geteventname(XEvent *e)
1012 {
1013         char                    *name = NULL;
1014
1015         switch(e->type - xrandr_eventbase) {
1016         case RRScreenChangeNotify:
1017                 name = "RRScreenChangeNotify";
1018                 break;
1019         default:
1020                 name = "Unknown";
1021         }
1022
1023         return name;
1024 }
1025
1026 void
1027 dumpwins(struct swm_region *r, union arg *args)
1028 {
1029         struct ws_win           *win;
1030         unsigned int            state;
1031         XWindowAttributes       wa;
1032
1033         if (r->ws == NULL) {
1034                 warnx("dumpwins: invalid workspace");
1035                 return;
1036         }
1037
1038         warnx("=== managed window list ws %02d ===", r->ws->idx);
1039
1040         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1041                 state = getstate(win->id);
1042                 if (!XGetWindowAttributes(display, win->id, &wa))
1043                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1044                             win->id);
1045                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1046                     "transient: 0x%lx", win->id, wa.map_state, state,
1047                     win->transient);
1048         }
1049
1050         warnx("===== unmanaged window list =====");
1051         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1052                 state = getstate(win->id);
1053                 if (!XGetWindowAttributes(display, win->id, &wa))
1054                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1055                             win->id);
1056                 warnx("window: 0x%lx, map_state: %d, state: %d, "
1057                     "transient: 0x%lx", win->id, wa.map_state, state,
1058                     win->transient);
1059         }
1060
1061         warnx("=================================");
1062 }
1063 #else
1064 void
1065 dumpwins(struct swm_region *r, union arg *args)
1066 {
1067 }
1068 #endif /* SWM_DEBUG */
1069
1070 void                    expose(XEvent *);
1071 void                    keypress(XEvent *);
1072 void                    buttonpress(XEvent *);
1073 void                    configurerequest(XEvent *);
1074 void                    configurenotify(XEvent *);
1075 void                    destroynotify(XEvent *);
1076 void                    enternotify(XEvent *);
1077 void                    focusevent(XEvent *);
1078 void                    mapnotify(XEvent *);
1079 void                    mappingnotify(XEvent *);
1080 void                    maprequest(XEvent *);
1081 void                    propertynotify(XEvent *);
1082 void                    unmapnotify(XEvent *);
1083 void                    visibilitynotify(XEvent *);
1084 void                    clientmessage(XEvent *);
1085
1086 void                    (*handler[LASTEvent])(XEvent *) = {
1087                                 [Expose] = expose,
1088                                 [KeyPress] = keypress,
1089                                 [ButtonPress] = buttonpress,
1090                                 [ConfigureRequest] = configurerequest,
1091                                 [ConfigureNotify] = configurenotify,
1092                                 [DestroyNotify] = destroynotify,
1093                                 [EnterNotify] = enternotify,
1094                                 [FocusIn] = focusevent,
1095                                 [FocusOut] = focusevent,
1096                                 [MapNotify] = mapnotify,
1097                                 [MappingNotify] = mappingnotify,
1098                                 [MapRequest] = maprequest,
1099                                 [PropertyNotify] = propertynotify,
1100                                 [UnmapNotify] = unmapnotify,
1101                                 [VisibilityNotify] = visibilitynotify,
1102                                 [ClientMessage] = clientmessage,
1103 };
1104
1105 void
1106 sighdlr(int sig)
1107 {
1108         int                     saved_errno, status;
1109         pid_t                   pid;
1110
1111         saved_errno = errno;
1112
1113         switch (sig) {
1114         case SIGCHLD:
1115                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1116                         if (pid == -1) {
1117                                 if (errno == EINTR)
1118                                         continue;
1119 #ifdef SWM_DEBUG
1120                                 if (errno != ECHILD)
1121                                         warn("sighdlr: waitpid");
1122 #endif /* SWM_DEBUG */
1123                                 break;
1124                         }
1125                         if (pid == searchpid)
1126                                 search_resp = 1;
1127
1128 #ifdef SWM_DEBUG
1129                         if (WIFEXITED(status)) {
1130                                 if (WEXITSTATUS(status) != 0)
1131                                         warnx("sighdlr: child exit status: %d",
1132                                             WEXITSTATUS(status));
1133                         } else
1134                                 warnx("sighdlr: child is terminated "
1135                                     "abnormally");
1136 #endif /* SWM_DEBUG */
1137                 }
1138                 break;
1139
1140         case SIGHUP:
1141                 restart_wm = 1;
1142                 break;
1143         case SIGINT:
1144         case SIGTERM:
1145         case SIGQUIT:
1146                 running = 0;
1147                 break;
1148         }
1149
1150         errno = saved_errno;
1151 }
1152
1153 struct pid_e *
1154 find_pid(long pid)
1155 {
1156         struct pid_e            *p = NULL;
1157
1158         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1159
1160         if (pid == 0)
1161                 return (NULL);
1162
1163         TAILQ_FOREACH(p, &pidlist, entry) {
1164                 if (p->pid == pid)
1165                         return (p);
1166         }
1167
1168         return (NULL);
1169 }
1170
1171 unsigned long
1172 name_to_color(char *colorname)
1173 {
1174         Colormap                cmap;
1175         Status                  status;
1176         XColor                  screen_def, exact_def;
1177         unsigned long           result = 0;
1178         char                    cname[32] = "#";
1179
1180         cmap = DefaultColormap(display, screens[0].idx);
1181         status = XAllocNamedColor(display, cmap, colorname,
1182             &screen_def, &exact_def);
1183         if (!status) {
1184                 strlcat(cname, colorname + 2, sizeof cname - 1);
1185                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1186                     &exact_def);
1187         }
1188         if (status)
1189                 result = screen_def.pixel;
1190         else
1191                 warnx("color '%s' not found", colorname);
1192
1193         return (result);
1194 }
1195
1196 void
1197 setscreencolor(char *val, int i, int c)
1198 {
1199         if (i > 0 && i <= ScreenCount(display)) {
1200                 screens[i - 1].c[c].color = name_to_color(val);
1201                 free(screens[i - 1].c[c].name);
1202                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1203                         err(1, "strdup");
1204         } else if (i == -1) {
1205                 for (i = 0; i < ScreenCount(display); i++) {
1206                         screens[i].c[c].color = name_to_color(val);
1207                         free(screens[i].c[c].name);
1208                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1209                                 err(1, "strdup");
1210                 }
1211         } else
1212                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1213                     i, ScreenCount(display));
1214 }
1215
1216 void
1217 fancy_stacker(struct workspace *ws)
1218 {
1219         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1220         if (ws->cur_layout->l_stack == vertical_stack)
1221                 snprintf(ws->stacker, sizeof ws->stacker,
1222                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1223                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1224         if (ws->cur_layout->l_stack == horizontal_stack)
1225                 snprintf(ws->stacker, sizeof ws->stacker,
1226                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1227                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1228 }
1229
1230 void
1231 plain_stacker(struct workspace *ws)
1232 {
1233         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1234         if (ws->cur_layout->l_stack == vertical_stack)
1235                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1236                     sizeof ws->stacker);
1237         if (ws->cur_layout->l_stack == horizontal_stack)
1238                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1239                     sizeof ws->stacker);
1240 }
1241
1242 void
1243 custom_region(char *val)
1244 {
1245         unsigned int                    sidx, x, y, w, h;
1246
1247         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1248                 errx(1, "invalid custom region, "
1249                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1250         if (sidx < 1 || sidx > ScreenCount(display))
1251                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1252                     sidx, ScreenCount(display));
1253         sidx--;
1254
1255         if (w < 1 || h < 1)
1256                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1257
1258         if (x > DisplayWidth(display, sidx) ||
1259             y > DisplayHeight(display, sidx) ||
1260             w + x > DisplayWidth(display, sidx) ||
1261             h + y > DisplayHeight(display, sidx)) {
1262                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1263                     "boundaries (%ux%u)", w, h, x, y,
1264                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1265                 return;
1266         }
1267
1268         new_region(&screens[sidx], x, y, w, h);
1269 }
1270
1271 void
1272 socket_setnonblock(int fd)
1273 {
1274         int                     flags;
1275
1276         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1277                 err(1, "fcntl F_GETFL");
1278         flags |= O_NONBLOCK;
1279         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1280                 err(1, "fcntl F_SETFL");
1281 }
1282
1283 void
1284 bar_print(struct swm_region *r, char *s)
1285 {
1286         int                     x = 0;
1287         size_t                  len;
1288         XRectangle              ibox, lbox;
1289
1290         XClearWindow(display, r->bar_window);
1291
1292         len = strlen(s);
1293         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1294
1295         switch (bar_justify) {
1296         case SWM_BAR_JUSTIFY_LEFT:
1297                 x = SWM_BAR_OFFSET;
1298                 break;
1299         case SWM_BAR_JUSTIFY_CENTER:
1300                 x = (WIDTH(r) - lbox.width) / 2;
1301                 break;
1302         case SWM_BAR_JUSTIFY_RIGHT:
1303                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1304                 break;
1305         }
1306
1307         if (x < SWM_BAR_OFFSET)
1308                 x = SWM_BAR_OFFSET;
1309
1310         DRAWSTRING(display, r->bar_window, bar_fs, r->s->bar_gc,
1311             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1312             lbox.y, s, len);
1313 }
1314
1315 void
1316 bar_extra_stop(void)
1317 {
1318         if (bar_pipe[0]) {
1319                 close(bar_pipe[0]);
1320                 bzero(bar_pipe, sizeof bar_pipe);
1321         }
1322         if (bar_pid) {
1323                 kill(bar_pid, SIGTERM);
1324                 bar_pid = 0;
1325         }
1326         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1327         bar_extra = 0;
1328 }
1329
1330 void
1331 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1332 {
1333         int                     do_class, do_name;
1334         Status                  status;
1335         XClassHint              *xch = NULL;
1336
1337         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1338             cur_focus != NULL) {
1339                 if ((xch = XAllocClassHint()) == NULL)
1340                         goto out;
1341                 status = XGetClassHint(display, cur_focus->id, xch);
1342                 if (status == BadWindow || status == BadAlloc)
1343                         goto out;
1344                 do_class = (title_class_enabled && xch->res_class != NULL);
1345                 do_name = (title_name_enabled && xch->res_name != NULL);
1346                 if (do_class)
1347                         strlcat(s, xch->res_class, sz);
1348                 if (do_class && do_name)
1349                         strlcat(s, ":", sz);
1350                 if (do_name)
1351                         strlcat(s, xch->res_name, sz);
1352                 strlcat(s, "    ", sz);
1353         }
1354 out:
1355         if (xch) {
1356                 XFree(xch->res_name);
1357                 XFree(xch->res_class);
1358                 XFree(xch);
1359         }
1360 }
1361
1362 void
1363 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1364 {
1365         unsigned char           *title;
1366
1367         if (window_name_enabled && cur_focus != NULL) {
1368                 title = get_win_name(cur_focus->id);
1369                 if (title != NULL) {
1370                         DNPRINTF(SWM_D_BAR, "bar_window_name: title: %s\n",
1371                             title);
1372
1373                         if (cur_focus->floating)
1374                                 strlcat(s, "(f) ", sz);
1375                         strlcat(s, (char *)title, sz);
1376                         strlcat(s, " ", sz);
1377                         XFree(title);
1378                 }
1379         }
1380 }
1381
1382 int             urgent[SWM_WS_MAX];
1383 void
1384 bar_urgent(char *s, ssize_t sz)
1385 {
1386         XWMHints                *wmh = NULL;
1387         struct ws_win           *win;
1388         int                     i, j;
1389         char                    b[8];
1390
1391         if (urgent_enabled == 0)
1392                 return;
1393
1394         for (i = 0; i < SWM_WS_MAX; i++)
1395                 urgent[i] = 0;
1396
1397         for (i = 0; i < ScreenCount(display); i++)
1398                 for (j = 0; j < SWM_WS_MAX; j++)
1399                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1400                                 wmh = XGetWMHints(display, win->id);
1401                                 if (wmh == NULL)
1402                                         continue;
1403
1404                                 if (wmh->flags & XUrgencyHint)
1405                                         urgent[j] = 1;
1406                                 XFree(wmh);
1407                         }
1408
1409         strlcat(s, "* ", sz);
1410         for (i = 0; i < SWM_WS_MAX; i++) {
1411                 if (urgent[i])
1412                         snprintf(b, sizeof b, "%d ", i + 1);
1413                 else
1414                         snprintf(b, sizeof b, "- ");
1415                 strlcat(s, b, sz);
1416         }
1417         strlcat(s, "*    ", sz);
1418 }
1419
1420 void
1421 bar_update(void)
1422 {
1423         time_t                  tmt;
1424         struct tm               tm;
1425         struct swm_region       *r;
1426         int                     i, x;
1427         size_t                  len;
1428         char                    ws[SWM_BAR_MAX];
1429         char                    s[SWM_BAR_MAX];
1430         unsigned char           cn[SWM_BAR_MAX];
1431         char                    loc[SWM_BAR_MAX];
1432         char                    *b, *stack = "";
1433
1434         if (bar_enabled == 0)
1435                 return;
1436         if (bar_extra && bar_extra_running) {
1437                 /* ignore short reads; it'll correct itself */
1438                 while ((b = fgetln(stdin, &len)) != NULL)
1439                         if (b && b[len - 1] == '\n') {
1440                                 b[len - 1] = '\0';
1441                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1442                         }
1443                 if (b == NULL && errno != EAGAIN) {
1444                         warn("bar_update: bar_extra failed");
1445                         bar_extra_stop();
1446                 }
1447         } else
1448                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1449
1450         if (clock_enabled == 0)
1451                 strlcpy(s, "", sizeof s);
1452         else {
1453                 time(&tmt);
1454                 localtime_r(&tmt, &tm);
1455                 len = strftime(s, sizeof s, clock_format, &tm);
1456                 s[len] = '\0';
1457                 strlcat(s, "    ", sizeof s);
1458         }
1459
1460         for (i = 0; i < ScreenCount(display); i++) {
1461                 x = 1;
1462                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1463                         strlcpy((char *)cn, "", sizeof cn);
1464                         strlcpy(ws, "", sizeof ws);
1465                         if (r && r->ws) {
1466                                 bar_urgent((char *)cn, sizeof cn);
1467                                 bar_class_name((char *)cn, sizeof cn,
1468                                     r->ws->focus);
1469                                 bar_window_name((char *)cn, sizeof cn,
1470                                     r->ws->focus);
1471                                 if (r->ws->name)
1472                                         snprintf(ws, sizeof ws, "<%s>",
1473                                             r->ws->name);
1474                         }
1475                         if (stack_enabled)
1476                                 stack = r->ws->stacker;
1477
1478                         snprintf(loc, sizeof loc, "%d:%d %s %s   %s%s    %s    "
1479                             "%s", x++, r->ws->idx + 1, stack, ws, s, cn,
1480                             bar_ext, bar_vertext);
1481                         bar_print(r, loc);
1482                 }
1483         }
1484         alarm(bar_delay);
1485 }
1486
1487 void
1488 bar_check_opts(void)
1489 {
1490         if (title_class_enabled || title_name_enabled || window_name_enabled)
1491                 bar_update();
1492 }
1493
1494 void
1495 bar_signal(int sig)
1496 {
1497         bar_alarm = 1;
1498 }
1499
1500 void
1501 bar_toggle(struct swm_region *r, union arg *args)
1502 {
1503         struct swm_region       *tmpr;
1504         int                     i, sc = ScreenCount(display);
1505
1506         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1507
1508         if (bar_enabled)
1509                 for (i = 0; i < sc; i++)
1510                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1511                                 XUnmapWindow(display, tmpr->bar_window);
1512         else
1513                 for (i = 0; i < sc; i++)
1514                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1515                                 XMapRaised(display, tmpr->bar_window);
1516
1517         bar_enabled = !bar_enabled;
1518
1519         stack();
1520         /* must be after stack */
1521         bar_update();
1522 }
1523
1524 void
1525 bar_refresh(void)
1526 {
1527         XSetWindowAttributes    wa;
1528         struct swm_region       *r;
1529         int                     i;
1530
1531         /* do this here because the conf file is in memory */
1532         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1533                 /* launch external status app */
1534                 bar_extra_running = 1;
1535                 if (pipe(bar_pipe) == -1)
1536                         err(1, "pipe error");
1537                 socket_setnonblock(bar_pipe[0]);
1538                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1539                 if (dup2(bar_pipe[0], 0) == -1)
1540                         err(1, "dup2");
1541                 if (dup2(bar_pipe[1], 1) == -1)
1542                         err(1, "dup2");
1543                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1544                         err(1, "could not disable SIGPIPE");
1545                 switch (bar_pid = fork()) {
1546                 case -1:
1547                         err(1, "cannot fork");
1548                         break;
1549                 case 0: /* child */
1550                         close(bar_pipe[0]);
1551                         execvp(bar_argv[0], bar_argv);
1552                         err(1, "%s external app failed", bar_argv[0]);
1553                         break;
1554                 default: /* parent */
1555                         close(bar_pipe[1]);
1556                         break;
1557                 }
1558         }
1559
1560         bzero(&wa, sizeof wa);
1561         for (i = 0; i < ScreenCount(display); i++)
1562                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1563                         wa.border_pixel =
1564                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1565                         wa.background_pixel =
1566                             screens[i].c[SWM_S_COLOR_BAR].color;
1567                         XChangeWindowAttributes(display, r->bar_window,
1568                             CWBackPixel | CWBorderPixel, &wa);
1569                 }
1570         bar_update();
1571 }
1572
1573 void
1574 bar_setup(struct swm_region *r)
1575 {
1576         char                    *default_string;
1577         char                    **missing_charsets;
1578         int                     num_missing_charsets = 0;
1579         int                     i, x, y;
1580
1581         if (bar_fs) {
1582                 XFreeFontSet(display, bar_fs);
1583                 bar_fs = NULL;
1584         }
1585
1586
1587         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1588
1589         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1590             &num_missing_charsets, &default_string);
1591
1592         if (num_missing_charsets > 0) {
1593                 warnx("Unable to load charset(s):");
1594
1595                 for (i = 0; i < num_missing_charsets; ++i)
1596                         warnx("%s", missing_charsets[i]);
1597
1598                 XFreeStringList(missing_charsets);
1599
1600                 if (strcmp(default_string, ""))
1601                         warnx("Glyphs from those sets will be replaced "
1602                             "by '%s'.", default_string);
1603                 else
1604                         warnx("Glyphs from those sets won't be drawn.");
1605         }
1606
1607         if (bar_fs == NULL)
1608                 errx(1, "Error creating font set structure.");
1609
1610         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1611
1612         bar_height = bar_fs_extents->max_logical_extent.height +
1613             2 * bar_border_width;
1614
1615         if (bar_height < 1)
1616                 bar_height = 1;
1617
1618         x = X(r);
1619         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1620
1621         r->bar_window = XCreateSimpleWindow(display,
1622             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1623             bar_height - 2 * bar_border_width,
1624             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1625             r->s->c[SWM_S_COLOR_BAR].color);
1626         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1627         if (bar_enabled)
1628                 XMapRaised(display, r->bar_window);
1629         DNPRINTF(SWM_D_BAR, "bar_setup: bar_window: 0x%lx\n", r->bar_window);
1630
1631         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1632                 err(1, "could not install bar_signal");
1633         bar_refresh();
1634 }
1635
1636 void
1637 drain_enter_notify(void)
1638 {
1639         int                     i = 0;
1640         XEvent                  cne;
1641
1642         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1643                 i++;
1644
1645         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained: %d\n", i);
1646 }
1647
1648 void
1649 set_win_state(struct ws_win *win, long state)
1650 {
1651         long                    data[] = {state, None};
1652
1653         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%lx\n", win->id);
1654
1655         if (win == NULL)
1656                 return;
1657
1658         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1659             (unsigned char *)data, 2);
1660 }
1661
1662 long
1663 getstate(Window w)
1664 {
1665         long                    result = -1;
1666         unsigned char           *p = NULL;
1667         unsigned long           n;
1668
1669         if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
1670                 return (-1);
1671         if (n != 0)
1672                 result = *((long *)p);
1673         XFree(p);
1674         return (result);
1675 }
1676
1677 void
1678 version(struct swm_region *r, union arg *args)
1679 {
1680         bar_version = !bar_version;
1681         if (bar_version)
1682                 snprintf(bar_vertext, sizeof bar_vertext,
1683                     "Version: %s Build: %s", SCROTWM_VERSION, buildstr);
1684         else
1685                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1686         bar_update();
1687 }
1688
1689 void
1690 client_msg(struct ws_win *win, Atom a)
1691 {
1692         XClientMessageEvent     cm;
1693
1694         if (win == NULL)
1695                 return;
1696
1697         bzero(&cm, sizeof cm);
1698         cm.type = ClientMessage;
1699         cm.window = win->id;
1700         cm.message_type = aprot;
1701         cm.format = 32;
1702         cm.data.l[0] = a;
1703         cm.data.l[1] = CurrentTime;
1704         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1705 }
1706
1707 /* synthetic response to a ConfigureRequest when not making a change */
1708 void
1709 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1710 {
1711         XConfigureEvent         ce;
1712
1713         if (win == NULL)
1714                 return;
1715
1716         /* send notification of unchanged state. */
1717         ce.type = ConfigureNotify;
1718         ce.x = X(win);
1719         ce.y = Y(win);
1720         ce.width = WIDTH(win);
1721         ce.height = HEIGHT(win);
1722         ce.override_redirect = False;
1723
1724         if (ev == NULL) {
1725                 /* EWMH */
1726                 ce.display = display;
1727                 ce.event = win->id;
1728                 ce.window = win->id;
1729                 ce.border_width = border_width;
1730                 ce.above = None;
1731         } else {
1732                 /* normal */
1733                 ce.display = ev->display;
1734                 ce.event = ev->window;
1735                 ce.window = ev->window;
1736
1737                 /* make response appear more WM_SIZE_HINTS-compliant */
1738                 if (win->sh_mask)
1739                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%lx,"
1740                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
1741                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
1742                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
1743                             SH_INC_W(win), SH_INC_H(win));
1744
1745                 /* min size */
1746                 if (SH_MIN(win)) {
1747                         /* the hint may be set... to 0! */
1748                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
1749                                 ce.width = SH_MIN_W(win);
1750                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
1751                                 ce.height = SH_MIN_H(win);
1752                 }
1753
1754                 /* max size */
1755                 if (SH_MAX(win)) {
1756                         /* may also be advertized as 0 */
1757                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
1758                                 ce.width = SH_MAX_W(win);
1759                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
1760                                 ce.height = SH_MAX_H(win);
1761                 }
1762
1763                 /* resize increment. */
1764                 if (SH_INC(win)) {
1765                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
1766                                 ce.width -= (ce.width - SH_MIN_W(win)) %
1767                                     SH_INC_W(win);
1768                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
1769                                 ce.height -= (ce.height - SH_MIN_H(win)) %
1770                                     SH_INC_H(win);
1771                 }
1772
1773                 /* adjust x and y for requested border_width. */
1774                 ce.x += border_width - ev->border_width;
1775                 ce.y += border_width - ev->border_width;
1776                 ce.border_width = ev->border_width;
1777                 ce.above = ev->above;
1778         }
1779
1780         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%lx, (x,y) w x h: "
1781             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
1782             ce.y, ce.width, ce.height, ce.border_width);
1783
1784         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1785 }
1786
1787 int
1788 count_win(struct workspace *ws, int count_transient)
1789 {
1790         struct ws_win           *win;
1791         int                     count = 0;
1792
1793         TAILQ_FOREACH(win, &ws->winlist, entry) {
1794                 if (count_transient == 0 && win->floating)
1795                         continue;
1796                 if (count_transient == 0 && win->transient)
1797                         continue;
1798                 if (win->iconic)
1799                         continue;
1800                 count++;
1801         }
1802         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1803
1804         return (count);
1805 }
1806
1807 void
1808 quit(struct swm_region *r, union arg *args)
1809 {
1810         DNPRINTF(SWM_D_MISC, "quit\n");
1811         running = 0;
1812 }
1813
1814 void
1815 unmap_window(struct ws_win *win)
1816 {
1817         if (win == NULL)
1818                 return;
1819
1820         /* don't unmap again */
1821         if (getstate(win->id) == IconicState)
1822                 return;
1823
1824         set_win_state(win, IconicState);
1825
1826         XUnmapWindow(display, win->id);
1827         XSetWindowBorder(display, win->id,
1828             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1829 }
1830
1831 void
1832 unmap_all(void)
1833 {
1834         struct ws_win           *win;
1835         int                     i, j;
1836
1837         for (i = 0; i < ScreenCount(display); i++)
1838                 for (j = 0; j < SWM_WS_MAX; j++)
1839                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1840                                 unmap_window(win);
1841 }
1842
1843 void
1844 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1845 {
1846         XKeyEvent event;
1847
1848         if (win == NULL)
1849                 return;
1850
1851         event.display = display;        /* Ignored, but what the hell */
1852         event.window = win->id;
1853         event.root = win->s->root;
1854         event.subwindow = None;
1855         event.time = CurrentTime;
1856         event.x = X(win);
1857         event.y = Y(win);
1858         event.x_root = 1;
1859         event.y_root = 1;
1860         event.same_screen = True;
1861         event.keycode = XKeysymToKeycode(display, keysym);
1862         event.state = modifiers;
1863
1864         event.type = KeyPress;
1865         XSendEvent(event.display, event.window, True,
1866             KeyPressMask, (XEvent *)&event);
1867
1868         event.type = KeyRelease;
1869         XSendEvent(event.display, event.window, True,
1870             KeyPressMask, (XEvent *)&event);
1871
1872 }
1873
1874 void
1875 restart(struct swm_region *r, union arg *args)
1876 {
1877         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1878
1879         /* disable alarm because the following code may not be interrupted */
1880         alarm(0);
1881         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1882                 err(1, "can't disable alarm");
1883
1884         bar_extra_stop();
1885         bar_extra = 1;
1886         unmap_all();
1887         XCloseDisplay(display);
1888         execvp(start_argv[0], start_argv);
1889         warn("execvp failed");
1890         quit(NULL, NULL);
1891 }
1892
1893 struct swm_region *
1894 root_to_region(Window root)
1895 {
1896         struct swm_region       *r = NULL;
1897         Window                  rr, cr;
1898         int                     i, x, y, wx, wy;
1899         unsigned int            mask;
1900
1901         for (i = 0; i < ScreenCount(display); i++)
1902                 if (screens[i].root == root)
1903                         break;
1904
1905         if (XQueryPointer(display, screens[i].root,
1906             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1907                 /* choose a region based on pointer location */
1908                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1909                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1910                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1911                                 break;
1912         }
1913
1914         if (r == NULL)
1915                 r = TAILQ_FIRST(&screens[i].rl);
1916
1917         return (r);
1918 }
1919
1920 struct ws_win *
1921 find_unmanaged_window(Window id)
1922 {
1923         struct ws_win           *win;
1924         int                     i, j;
1925
1926         for (i = 0; i < ScreenCount(display); i++)
1927                 for (j = 0; j < SWM_WS_MAX; j++)
1928                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1929                             entry)
1930                                 if (id == win->id)
1931                                         return (win);
1932         return (NULL);
1933 }
1934
1935 struct ws_win *
1936 find_window(Window id)
1937 {
1938         struct ws_win           *win;
1939         Window                  wrr, wpr, *wcr = NULL;
1940         int                     i, j;
1941         unsigned int            nc;
1942
1943         for (i = 0; i < ScreenCount(display); i++)
1944                 for (j = 0; j < SWM_WS_MAX; j++)
1945                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1946                                 if (id == win->id)
1947                                         return (win);
1948
1949         /* if we were looking for the parent return that window instead */
1950         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1951                 return (NULL);
1952         if (wcr)
1953                 XFree(wcr);
1954
1955         /* ignore not found and root */
1956         if (wpr == 0 || wrr == wpr)
1957                 return (NULL);
1958
1959         /* look for parent */
1960         for (i = 0; i < ScreenCount(display); i++)
1961                 for (j = 0; j < SWM_WS_MAX; j++)
1962                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1963                                 if (wpr == win->id)
1964                                         return (win);
1965
1966         return (NULL);
1967 }
1968
1969 void
1970 spawn(int ws_idx, union arg *args, int close_fd)
1971 {
1972         int                     fd;
1973         char                    *ret = NULL;
1974
1975         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1976
1977         if (display)
1978                 close(ConnectionNumber(display));
1979
1980         setenv("LD_PRELOAD", SWM_LIB, 1);
1981
1982         if (asprintf(&ret, "%d", ws_idx) == -1) {
1983                 warn("spawn: asprintf SWM_WS");
1984                 _exit(1);
1985         }
1986         setenv("_SWM_WS", ret, 1);
1987         free(ret);
1988         ret = NULL;
1989
1990         if (asprintf(&ret, "%d", getpid()) == -1) {
1991                 warn("spawn: asprintf _SWM_PID");
1992                 _exit(1);
1993         }
1994         setenv("_SWM_PID", ret, 1);
1995         free(ret);
1996         ret = NULL;
1997
1998         if (setsid() == -1) {
1999                 warn("spawn: setsid");
2000                 _exit(1);
2001         }
2002
2003         if (close_fd) {
2004                 /*
2005                  * close stdin and stdout to prevent interaction between apps
2006                  * and the baraction script
2007                  * leave stderr open to record errors
2008                 */
2009                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2010                         warn("spawn: open");
2011                         _exit(1);
2012                 }
2013                 dup2(fd, STDIN_FILENO);
2014                 dup2(fd, STDOUT_FILENO);
2015                 if (fd > 2)
2016                         close(fd);
2017         }
2018
2019         execvp(args->argv[0], args->argv);
2020
2021         warn("spawn: execvp");
2022         _exit(1);
2023 }
2024
2025 void
2026 spawnterm(struct swm_region *r, union arg *args)
2027 {
2028         DNPRINTF(SWM_D_MISC, "spawnterm\n");
2029
2030         if (fork() == 0) {
2031                 if (term_width)
2032                         setenv("_SWM_XTERM_FONTADJ", "", 1);
2033                 spawn(r->ws->idx, args, 1);
2034         }
2035 }
2036
2037 void
2038 kill_refs(struct ws_win *win)
2039 {
2040         int                     i, x;
2041         struct swm_region       *r;
2042         struct workspace        *ws;
2043
2044         if (win == NULL)
2045                 return;
2046
2047         for (i = 0; i < ScreenCount(display); i++)
2048                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2049                         for (x = 0; x < SWM_WS_MAX; x++) {
2050                                 ws = &r->s->ws[x];
2051                                 if (win == ws->focus)
2052                                         ws->focus = NULL;
2053                                 if (win == ws->focus_prev)
2054                                         ws->focus_prev = NULL;
2055                         }
2056 }
2057
2058 int
2059 validate_win(struct ws_win *testwin)
2060 {
2061         struct ws_win           *win;
2062         struct workspace        *ws;
2063         struct swm_region       *r;
2064         int                     i, x;
2065
2066         if (testwin == NULL)
2067                 return (0);
2068
2069         for (i = 0; i < ScreenCount(display); i++)
2070                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2071                         for (x = 0; x < SWM_WS_MAX; x++) {
2072                                 ws = &r->s->ws[x];
2073                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2074                                         if (win == testwin)
2075                                                 return (0);
2076                         }
2077         return (1);
2078 }
2079
2080 int
2081 validate_ws(struct workspace *testws)
2082 {
2083         struct swm_region       *r;
2084         struct workspace        *ws;
2085         int                     i, x;
2086
2087         /* validate all ws */
2088         for (i = 0; i < ScreenCount(display); i++)
2089                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2090                         for (x = 0; x < SWM_WS_MAX; x++) {
2091                                 ws = &r->s->ws[x];
2092                                 if (ws == testws)
2093                                         return (0);
2094                         }
2095         return (1);
2096 }
2097
2098 void
2099 unfocus_win(struct ws_win *win)
2100 {
2101         XEvent                  cne;
2102         Window                  none = None;
2103
2104         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2105
2106         if (win == NULL)
2107                 return;
2108         if (win->ws == NULL)
2109                 return;
2110
2111         if (validate_ws(win->ws))
2112                 return; /* XXX this gets hit with thunderbird, needs fixing */
2113
2114         if (win->ws->r == NULL)
2115                 return;
2116
2117         if (validate_win(win)) {
2118                 kill_refs(win);
2119                 return;
2120         }
2121
2122         if (win->ws->focus == win) {
2123                 win->ws->focus = NULL;
2124                 win->ws->focus_prev = win;
2125         }
2126
2127         if (validate_win(win->ws->focus)) {
2128                 kill_refs(win->ws->focus);
2129                 win->ws->focus = NULL;
2130         }
2131         if (validate_win(win->ws->focus_prev)) {
2132                 kill_refs(win->ws->focus_prev);
2133                 win->ws->focus_prev = NULL;
2134         }
2135
2136         /* drain all previous unfocus events */
2137         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2138                 ;
2139
2140         grabbuttons(win, 0);
2141         XSetWindowBorder(display, win->id,
2142             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2143
2144         XChangeProperty(display, win->s->root,
2145             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2146             PropModeReplace, (unsigned char *)&none,1);
2147 }
2148
2149 void
2150 unfocus_all(void)
2151 {
2152         struct ws_win           *win;
2153         int                     i, j;
2154
2155         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2156
2157         for (i = 0; i < ScreenCount(display); i++)
2158                 for (j = 0; j < SWM_WS_MAX; j++)
2159                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2160                                 unfocus_win(win);
2161 }
2162
2163 void
2164 focus_win(struct ws_win *win)
2165 {
2166         XEvent                  cne;
2167         Window                  cur_focus;
2168         int                     rr;
2169         struct ws_win           *cfw = NULL;
2170
2171
2172         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2173
2174         if (win == NULL)
2175                 return;
2176         if (win->ws == NULL)
2177                 return;
2178
2179         if (validate_ws(win->ws))
2180                 return; /* XXX this gets hit with thunderbird, needs fixing */
2181
2182         if (validate_win(win)) {
2183                 kill_refs(win);
2184                 return;
2185         }
2186
2187         if (validate_win(win)) {
2188                 kill_refs(win);
2189                 return;
2190         }
2191
2192         XGetInputFocus(display, &cur_focus, &rr);
2193         if ((cfw = find_window(cur_focus)) != NULL)
2194                 unfocus_win(cfw);
2195         else {
2196                 /* use larger hammer since the window was killed somehow */
2197                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2198                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2199                                 XSetWindowBorder(display, cfw->id,
2200                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2201         }
2202
2203         win->ws->focus = win;
2204
2205         if (win->ws->r != NULL) {
2206                 /* drain all previous focus events */
2207                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2208                         ;
2209
2210                 if (win->java == 0)
2211                         XSetInputFocus(display, win->id,
2212                             RevertToParent, CurrentTime);
2213                 grabbuttons(win, 1);
2214                 XSetWindowBorder(display, win->id,
2215                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2216                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2217                     win->ws->always_raise)
2218                         XMapRaised(display, win->id);
2219
2220                 XChangeProperty(display, win->s->root,
2221                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
2222                     PropModeReplace, (unsigned char *)&win->id,1);
2223         }
2224
2225         bar_check_opts();
2226 }
2227
2228 void
2229 switchws(struct swm_region *r, union arg *args)
2230 {
2231         int                     wsid = args->id, unmap_old = 0;
2232         struct swm_region       *this_r, *other_r;
2233         struct ws_win           *win;
2234         struct workspace        *new_ws, *old_ws;
2235         union arg               a;
2236
2237         if (!(r && r->s))
2238                 return;
2239
2240         this_r = r;
2241         old_ws = this_r->ws;
2242         new_ws = &this_r->s->ws[wsid];
2243
2244         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2245             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2246
2247         if (new_ws == NULL || old_ws == NULL)
2248                 return;
2249         if (new_ws == old_ws)
2250                 return;
2251
2252         other_r = new_ws->r;
2253         if (other_r == NULL) {
2254                 /* the other workspace is hidden, hide this one */
2255                 old_ws->r = NULL;
2256                 unmap_old = 1;
2257         } else {
2258                 /* the other ws is visible in another region, exchange them */
2259                 other_r->ws_prior = new_ws;
2260                 other_r->ws = old_ws;
2261                 old_ws->r = other_r;
2262         }
2263         this_r->ws_prior = old_ws;
2264         this_r->ws = new_ws;
2265         new_ws->r = this_r;
2266
2267         /* this is needed so that we can click on a window after a restart */
2268         unfocus_all();
2269
2270         stack();
2271         a.id = SWM_ARG_ID_FOCUSCUR;
2272         focus(new_ws->r, &a);
2273
2274         bar_update();
2275
2276         /* unmap old windows */
2277         if (unmap_old)
2278                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2279                         unmap_window(win);
2280
2281         if (focus_mode == SWM_FOCUS_DEFAULT)
2282                 drain_enter_notify();
2283 }
2284
2285 void
2286 cyclews(struct swm_region *r, union arg *args)
2287 {
2288         union                   arg a;
2289         struct swm_screen       *s = r->s;
2290         int                     cycle_all = 0;
2291
2292         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2293             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2294
2295         a.id = r->ws->idx;
2296         do {
2297                 switch (args->id) {
2298                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2299                         cycle_all = 1;
2300                         /* FALLTHROUGH */
2301                 case SWM_ARG_ID_CYCLEWS_UP:
2302                         if (a.id < SWM_WS_MAX - 1)
2303                                 a.id++;
2304                         else
2305                                 a.id = 0;
2306                         break;
2307                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2308                         cycle_all = 1;
2309                         /* FALLTHROUGH */
2310                 case SWM_ARG_ID_CYCLEWS_DOWN:
2311                         if (a.id > 0)
2312                                 a.id--;
2313                         else
2314                                 a.id = SWM_WS_MAX - 1;
2315                         break;
2316                 default:
2317                         return;
2318                 };
2319
2320                 if (!cycle_all &&
2321                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2322                         continue;
2323                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2324                         continue;
2325
2326                 switchws(r, &a);
2327         } while (a.id != r->ws->idx);
2328 }
2329
2330 void
2331 priorws(struct swm_region *r, union arg *args)
2332 {
2333         union arg               a;
2334
2335         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2336             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2337
2338         if (r->ws_prior == NULL)
2339                 return;
2340
2341         a.id = r->ws_prior->idx;
2342         switchws(r, &a);
2343 }
2344
2345 void
2346 cyclescr(struct swm_region *r, union arg *args)
2347 {
2348         struct swm_region       *rr = NULL;
2349         union arg               a;
2350         int                     i, x, y;
2351
2352         /* do nothing if we don't have more than one screen */
2353         if (!(ScreenCount(display) > 1 || outputs > 1))
2354                 return;
2355
2356         i = r->s->idx;
2357         switch (args->id) {
2358         case SWM_ARG_ID_CYCLESC_UP:
2359                 rr = TAILQ_NEXT(r, entry);
2360                 if (rr == NULL)
2361                         rr = TAILQ_FIRST(&screens[i].rl);
2362                 break;
2363         case SWM_ARG_ID_CYCLESC_DOWN:
2364                 rr = TAILQ_PREV(r, swm_region_list, entry);
2365                 if (rr == NULL)
2366                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2367                 break;
2368         default:
2369                 return;
2370         };
2371         if (rr == NULL)
2372                 return;
2373
2374         /* move mouse to region */
2375         x = X(rr) + 1;
2376         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2377         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2378
2379         a.id = SWM_ARG_ID_FOCUSCUR;
2380         focus(rr, &a);
2381
2382         if (rr->ws->focus) {
2383                 /* move to focus window */
2384                 x = X(rr->ws->focus) + 1;
2385                 y = Y(rr->ws->focus) + 1;
2386                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2387         }
2388 }
2389
2390 void
2391 sort_windows(struct ws_win_list *wl)
2392 {
2393         struct ws_win           *win, *parent, *nxt;
2394
2395         if (wl == NULL)
2396                 return;
2397
2398         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2399                 nxt = TAILQ_NEXT(win, entry);
2400                 if (win->transient) {
2401                         parent = find_window(win->transient);
2402                         if (parent == NULL) {
2403                                 warnx("not possible bug");
2404                                 continue;
2405                         }
2406                         TAILQ_REMOVE(wl, win, entry);
2407                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2408                 }
2409         }
2410
2411 }
2412
2413 void
2414 swapwin(struct swm_region *r, union arg *args)
2415 {
2416         struct ws_win           *target, *source;
2417         struct ws_win           *cur_focus;
2418         struct ws_win_list      *wl;
2419
2420
2421         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2422             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2423
2424         cur_focus = r->ws->focus;
2425         if (cur_focus == NULL)
2426                 return;
2427
2428         source = cur_focus;
2429         wl = &source->ws->winlist;
2430
2431         switch (args->id) {
2432         case SWM_ARG_ID_SWAPPREV:
2433                 if (source->transient)
2434                         source = find_window(source->transient);
2435                 target = TAILQ_PREV(source, ws_win_list, entry);
2436                 if (target && target->transient)
2437                         target = find_window(target->transient);
2438                 TAILQ_REMOVE(wl, source, entry);
2439                 if (target == NULL)
2440                         TAILQ_INSERT_TAIL(wl, source, entry);
2441                 else
2442                         TAILQ_INSERT_BEFORE(target, source, entry);
2443                 break;
2444         case SWM_ARG_ID_SWAPNEXT:
2445                 target = TAILQ_NEXT(source, entry);
2446                 /* move the parent and let the sort handle the move */
2447                 if (source->transient)
2448                         source = find_window(source->transient);
2449                 TAILQ_REMOVE(wl, source, entry);
2450                 if (target == NULL)
2451                         TAILQ_INSERT_HEAD(wl, source, entry);
2452                 else
2453                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2454                 break;
2455         case SWM_ARG_ID_SWAPMAIN:
2456                 target = TAILQ_FIRST(wl);
2457                 if (target == source) {
2458                         if (source->ws->focus_prev != NULL &&
2459                             source->ws->focus_prev != target)
2460
2461                                 source = source->ws->focus_prev;
2462                         else
2463                                 return;
2464                 }
2465                 if (target == NULL || source == NULL)
2466                         return;
2467                 source->ws->focus_prev = target;
2468                 TAILQ_REMOVE(wl, target, entry);
2469                 TAILQ_INSERT_BEFORE(source, target, entry);
2470                 TAILQ_REMOVE(wl, source, entry);
2471                 TAILQ_INSERT_HEAD(wl, source, entry);
2472                 break;
2473         case SWM_ARG_ID_MOVELAST:
2474                 TAILQ_REMOVE(wl, source, entry);
2475                 TAILQ_INSERT_TAIL(wl, source, entry);
2476                 break;
2477         default:
2478                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2479                 return;
2480         }
2481
2482         sort_windows(wl);
2483
2484         stack();
2485 }
2486
2487 void
2488 focus_prev(struct ws_win *win)
2489 {
2490         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2491         struct ws_win           *cur_focus = NULL;
2492         struct ws_win_list      *wl = NULL;
2493         struct workspace        *ws = NULL;
2494
2495         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx\n", WINID(win));
2496
2497         if (!(win && win->ws))
2498                 return;
2499
2500         ws = win->ws;
2501         wl = &ws->winlist;
2502         cur_focus = ws->focus;
2503         winlostfocus = cur_focus;
2504
2505         /* pickle, just focus on whatever */
2506         if (cur_focus == NULL) {
2507                 /* use prev_focus if valid */
2508                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2509                     find_window(WINID(ws->focus_prev)))
2510                         winfocus = ws->focus_prev;
2511                 if (winfocus == NULL)
2512                         winfocus = TAILQ_FIRST(wl);
2513                 goto done;
2514         }
2515
2516         /* if transient focus on parent */
2517         if (cur_focus->transient) {
2518                 winfocus = find_window(cur_focus->transient);
2519                 goto done;
2520         }
2521
2522         /* if in max_stack try harder */
2523         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2524             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2525                 if (cur_focus != ws->focus_prev)
2526                         winfocus = ws->focus_prev;
2527                 else if (cur_focus != ws->focus)
2528                         winfocus = ws->focus;
2529                 else
2530                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2531                 if (winfocus)
2532                         goto done;
2533         }
2534
2535         if (cur_focus == win)
2536                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2537         if (winfocus == NULL)
2538                 winfocus = TAILQ_LAST(wl, ws_win_list);
2539         if (winfocus == NULL || winfocus == win)
2540                 winfocus = TAILQ_NEXT(cur_focus, entry);
2541 done:
2542         if (winfocus == winlostfocus || winfocus == NULL) {
2543                 /* update the bar so that title/class/name will be cleared. */
2544                 bar_check_opts();
2545                 return;
2546         }
2547
2548         focus_magic(winfocus);
2549 }
2550
2551 void
2552 focus(struct swm_region *r, union arg *args)
2553 {
2554         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2555         struct ws_win           *cur_focus = NULL;
2556         struct ws_win_list      *wl = NULL;
2557         struct workspace        *ws = NULL;
2558         int                     all_iconics;
2559
2560         if (!(r && r->ws))
2561                 return;
2562
2563         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2564
2565         /* treat FOCUS_CUR special */
2566         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2567                 if (r->ws->focus && r->ws->focus->iconic == 0)
2568                         winfocus = r->ws->focus;
2569                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2570                         winfocus = r->ws->focus_prev;
2571                 else
2572                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2573                                 if (winfocus->iconic == 0)
2574                                         break;
2575
2576                 focus_magic(winfocus);
2577                 return;
2578         }
2579
2580         if ((cur_focus = r->ws->focus) == NULL)
2581                 return;
2582         ws = r->ws;
2583         wl = &ws->winlist;
2584         if (TAILQ_EMPTY(wl))
2585                 return;
2586         /* make sure there is at least one uniconified window */
2587         all_iconics = 1;
2588         TAILQ_FOREACH(winfocus, wl, entry)
2589                 if (winfocus->iconic == 0) {
2590                         all_iconics = 0;
2591                         break;
2592                 }
2593         if (all_iconics)
2594                 return;
2595
2596         winlostfocus = cur_focus;
2597
2598         switch (args->id) {
2599         case SWM_ARG_ID_FOCUSPREV:
2600                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2601                 if (head == NULL)
2602                         head = TAILQ_LAST(wl, ws_win_list);
2603                 winfocus = head;
2604                 if (WINID(winfocus) == cur_focus->transient) {
2605                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2606                         if (head == NULL)
2607                                 head = TAILQ_LAST(wl, ws_win_list);
2608                         winfocus = head;
2609                 }
2610
2611                 /* skip iconics */
2612                 if (winfocus && winfocus->iconic) {
2613                         while (winfocus != cur_focus) {
2614                                 if (winfocus == NULL)
2615                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2616                                 if (winfocus->iconic == 0)
2617                                         break;
2618                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2619                                     entry);
2620                         }
2621                 }
2622                 break;
2623
2624         case SWM_ARG_ID_FOCUSNEXT:
2625                 head = TAILQ_NEXT(cur_focus, entry);
2626                 if (head == NULL)
2627                         head = TAILQ_FIRST(wl);
2628                 winfocus = head;
2629
2630                 /* skip iconics */
2631                 if (winfocus && winfocus->iconic) {
2632                         while (winfocus != cur_focus) {
2633                                 if (winfocus == NULL)
2634                                         winfocus = TAILQ_FIRST(wl);
2635                                 if (winfocus->iconic == 0)
2636                                         break;
2637                                 winfocus = TAILQ_NEXT(winfocus, entry);
2638                         }
2639                 }
2640                 break;
2641
2642         case SWM_ARG_ID_FOCUSMAIN:
2643                 winfocus = TAILQ_FIRST(wl);
2644                 if (winfocus == cur_focus)
2645                         winfocus = cur_focus->ws->focus_prev;
2646                 break;
2647
2648         default:
2649                 return;
2650         }
2651         if (winfocus == winlostfocus || winfocus == NULL) {
2652                 /* update the bar so that title/class/name will be cleared. */
2653                 bar_check_opts();
2654                 return;
2655         }
2656
2657         focus_magic(winfocus);
2658 }
2659
2660 void
2661 cycle_layout(struct swm_region *r, union arg *args)
2662 {
2663         struct workspace        *ws = r->ws;
2664         union arg               a;
2665
2666         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2667
2668         ws->cur_layout++;
2669         if (ws->cur_layout->l_stack == NULL)
2670                 ws->cur_layout = &layouts[0];
2671
2672         stack();
2673         if (focus_mode == SWM_FOCUS_DEFAULT)
2674                 drain_enter_notify();
2675         a.id = SWM_ARG_ID_FOCUSCUR;
2676         focus(r, &a);
2677         bar_update();
2678 }
2679
2680 void
2681 stack_config(struct swm_region *r, union arg *args)
2682 {
2683         struct workspace        *ws = r->ws;
2684
2685         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
2686             args->id, ws->idx);
2687
2688         if (ws->cur_layout->l_config != NULL)
2689                 ws->cur_layout->l_config(ws, args->id);
2690
2691         if (args->id != SWM_ARG_ID_STACKINIT)
2692                 stack();
2693         bar_update();
2694 }
2695
2696 void
2697 stack(void) {
2698         struct swm_geometry     g;
2699         struct swm_region       *r;
2700         int                     i;
2701 #ifdef SWM_DEBUG
2702         int j;
2703 #endif
2704
2705         DNPRINTF(SWM_D_STACK, "stack: begin\n");
2706
2707         for (i = 0; i < ScreenCount(display); i++) {
2708 #ifdef SWM_DEBUG
2709                 j = 0;
2710 #endif
2711                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2712                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
2713                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
2714
2715                         /* start with screen geometry, adjust for bar */
2716                         g = r->g;
2717                         g.w -= 2 * border_width;
2718                         g.h -= 2 * border_width;
2719                         if (bar_enabled) {
2720                                 if (!bar_at_bottom)
2721                                         g.y += bar_height;
2722                                 g.h -= bar_height;
2723                         }
2724                         r->ws->cur_layout->l_stack(r->ws, &g);
2725                         r->ws->cur_layout->l_string(r->ws);
2726                         /* save r so we can track region changes */
2727                         r->ws->old_r = r;
2728                 }
2729         }
2730         if (font_adjusted)
2731                 font_adjusted--;
2732
2733         if (focus_mode == SWM_FOCUS_DEFAULT)
2734                 drain_enter_notify();
2735
2736         DNPRINTF(SWM_D_STACK, "stack: end\n");
2737 }
2738
2739 void
2740 store_float_geom(struct ws_win *win, struct swm_region *r)
2741 {
2742         /* retain window geom and region geom */
2743         win->g_float = win->g;
2744         win->rg_float = r->g;
2745         win->g_floatvalid = 1;
2746 }
2747
2748 void
2749 stack_floater(struct ws_win *win, struct swm_region *r)
2750 {
2751         unsigned int            mask;
2752         XWindowChanges          wc;
2753
2754         if (win == NULL)
2755                 return;
2756
2757         bzero(&wc, sizeof wc);
2758         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2759
2760         /*
2761          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2762          * geom on ws switches or return from max mode
2763          */
2764         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2765             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2766                 /*
2767                  * use stored g and rg to set relative position and size
2768                  * as in old region or before max stack mode
2769                  */
2770                 X(win) = win->g_float.x - win->rg_float.x + X(r);
2771                 Y(win) = win->g_float.y - win->rg_float.y + Y(r);
2772                 WIDTH(win) = win->g_float.w;
2773                 HEIGHT(win) = win->g_float.h;
2774                 win->g_floatvalid = 0;
2775         }
2776
2777         win->floatmaxed = 0;
2778
2779         if ((win->quirks & SWM_Q_FULLSCREEN) && (WIDTH(win) >= WIDTH(r)) &&
2780             (HEIGHT(win) >= HEIGHT(r)))
2781                 wc.border_width = 0;
2782         else
2783                 wc.border_width = border_width;
2784         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2785                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
2786                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
2787         }
2788
2789         if (!win->manual) {
2790                 /*
2791                  * floaters and transients are auto-centred unless moved
2792                  * or resized
2793                  */
2794                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - wc.border_width;
2795                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - wc.border_width;
2796         }
2797
2798         /* win can be outside r if new r smaller than old r */
2799         /* Ensure top left corner inside r (move probs otherwise) */
2800         if (X(win) < X(r) - wc.border_width)
2801                 X(win) = X(r) - wc.border_width;
2802         if (X(win) > X(r) + WIDTH(r) - 1)
2803                 X(win) = (WIDTH(win) > WIDTH(r)) ? X(r) :
2804                     (X(r) + WIDTH(r) - WIDTH(win) - 2 * wc.border_width);
2805         if (Y(win) < Y(r) - wc.border_width)
2806                 Y(win) = Y(r) - wc.border_width;
2807         if (Y(win) > Y(r) + HEIGHT(r) - 1)
2808                 Y(win) = (HEIGHT(win) > HEIGHT(r)) ? Y(r) :
2809                     (Y(r) + HEIGHT(r) - HEIGHT(win) - 2 * wc.border_width);
2810
2811         wc.x = X(win);
2812         wc.y = Y(win);
2813         wc.width = WIDTH(win);
2814         wc.height = HEIGHT(win);
2815
2816         /*
2817          * Retain floater and transient geometry for correct positioning
2818          * when ws changes region
2819          */
2820         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2821                 store_float_geom(win, r);
2822
2823         DNPRINTF(SWM_D_MISC, "stack_floater: window: %lu, (x,y) w x h: (%d,%d) "
2824             "%d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
2825
2826         XConfigureWindow(display, win->id, mask, &wc);
2827 }
2828
2829 /*
2830  * Send keystrokes to terminal to decrease/increase the font size as the
2831  * window size changes.
2832  */
2833 void
2834 adjust_font(struct ws_win *win)
2835 {
2836         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2837             win->floating || win->transient)
2838                 return;
2839
2840         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2841             WIDTH(win) / win->sh.width_inc < term_width &&
2842             win->font_steps < SWM_MAX_FONT_STEPS) {
2843                 win->font_size_boundary[win->font_steps] =
2844                     (win->sh.width_inc * term_width) + win->sh.base_width;
2845                 win->font_steps++;
2846                 font_adjusted++;
2847                 win->last_inc = win->sh.width_inc;
2848                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2849         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2850             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
2851                 win->font_steps--;
2852                 font_adjusted++;
2853                 win->last_inc = win->sh.width_inc;
2854                 fake_keypress(win, XK_KP_Add, ShiftMask);
2855         }
2856 }
2857
2858 #define SWAPXY(g)       do {                            \
2859         int tmp;                                        \
2860         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2861         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2862 } while (0)
2863 void
2864 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2865 {
2866         XWindowChanges          wc;
2867         XWindowAttributes       wa;
2868         struct swm_geometry     win_g, r_g = *g;
2869         struct ws_win           *win, *fs_win = 0;
2870         int                     i, j, s, stacks;
2871         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2872         int                     hrh, extra = 0, h_slice, last_h = 0;
2873         int                     split, colno, winno, mwin, msize, mscale;
2874         int                     remain, missing, v_slice, reconfigure;
2875         unsigned int            mask;
2876
2877         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
2878             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
2879
2880         winno = count_win(ws, 0);
2881         if (winno == 0 && count_win(ws, 1) == 0)
2882                 return;
2883
2884         TAILQ_FOREACH(win, &ws->winlist, entry)
2885                 if (win->transient == 0 && win->floating == 0
2886                     && win->iconic == 0)
2887                         break;
2888
2889         if (win == NULL)
2890                 goto notiles;
2891
2892         if (rot) {
2893                 w_inc = win->sh.width_inc;
2894                 w_base = win->sh.base_width;
2895                 mwin = ws->l_state.horizontal_mwin;
2896                 mscale = ws->l_state.horizontal_msize;
2897                 stacks = ws->l_state.horizontal_stacks;
2898                 SWAPXY(&r_g);
2899         } else {
2900                 w_inc = win->sh.height_inc;
2901                 w_base = win->sh.base_height;
2902                 mwin = ws->l_state.vertical_mwin;
2903                 mscale = ws->l_state.vertical_msize;
2904                 stacks = ws->l_state.vertical_stacks;
2905         }
2906         win_g = r_g;
2907
2908         if (stacks > winno - mwin)
2909                 stacks = winno - mwin;
2910         if (stacks < 1)
2911                 stacks = 1;
2912
2913         h_slice = r_g.h / SWM_H_SLICE;
2914         if (mwin && winno > mwin) {
2915                 v_slice = r_g.w / SWM_V_SLICE;
2916
2917                 split = mwin;
2918                 colno = split;
2919                 win_g.w = v_slice * mscale;
2920
2921                 if (w_inc > 1 && w_inc < v_slice) {
2922                         /* adjust for window's requested size increment */
2923                         remain = (win_g.w - w_base) % w_inc;
2924                         missing = w_inc - remain;
2925                         win_g.w -= remain;
2926                         extra += remain;
2927                 }
2928
2929                 msize = win_g.w;
2930                 if (flip)
2931                         win_g.x += r_g.w - msize;
2932         } else {
2933                 msize = -2;
2934                 colno = split = winno / stacks;
2935                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2936                     2 * border_width) / stacks);
2937         }
2938         hrh = r_g.h / colno;
2939         extra = r_g.h - (colno * hrh);
2940         win_g.h = hrh - 2 * border_width;
2941
2942         /*  stack all the tiled windows */
2943         i = j = 0, s = stacks;
2944         TAILQ_FOREACH(win, &ws->winlist, entry) {
2945                 if (win->transient != 0 || win->floating != 0)
2946                         continue;
2947                 if (win->iconic != 0)
2948                         continue;
2949
2950                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2951                         fs_win = win;
2952                         continue;
2953                 }
2954
2955                 if (split && i == split) {
2956                         colno = (winno - mwin) / stacks;
2957                         if (s <= (winno - mwin) % stacks)
2958                                 colno++;
2959                         split = split + colno;
2960                         hrh = (r_g.h / colno);
2961                         extra = r_g.h - (colno * hrh);
2962                         if (flip)
2963                                 win_g.x = r_g.x;
2964                         else
2965                                 win_g.x += win_g.w + 2 * border_width;
2966                         win_g.w = (r_g.w - msize -
2967                             (stacks * 2 * border_width)) / stacks;
2968                         if (s == 1)
2969                                 win_g.w += (r_g.w - msize -
2970                                     (stacks * 2 * border_width)) % stacks;
2971                         s--;
2972                         j = 0;
2973                 }
2974                 win_g.h = hrh - 2 * border_width;
2975                 if (rot) {
2976                         h_inc = win->sh.width_inc;
2977                         h_base = win->sh.base_width;
2978                 } else {
2979                         h_inc = win->sh.height_inc;
2980                         h_base = win->sh.base_height;
2981                 }
2982                 if (j == colno - 1) {
2983                         win_g.h = hrh + extra;
2984                 } else if (h_inc > 1 && h_inc < h_slice) {
2985                         /* adjust for window's requested size increment */
2986                         remain = (win_g.h - h_base) % h_inc;
2987                         missing = h_inc - remain;
2988
2989                         if (missing <= extra || j == 0) {
2990                                 extra -= missing;
2991                                 win_g.h += missing;
2992                         } else {
2993                                 win_g.h -= remain;
2994                                 extra += remain;
2995                         }
2996                 }
2997
2998                 if (j == 0)
2999                         win_g.y = r_g.y;
3000                 else
3001                         win_g.y += last_h + 2 * border_width;
3002
3003                 bzero(&wc, sizeof wc);
3004                 if (disable_border && bar_enabled == 0 && winno == 1){
3005                         wc.border_width = 0;
3006                         win_g.w += 2 * border_width;
3007                         win_g.h += 2 * border_width;
3008                 } else
3009                         wc.border_width = border_width;
3010                 reconfigure = 0;
3011                 if (rot) {
3012                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3013                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3014                                 reconfigure = 1;
3015                                 X(win) = wc.x = win_g.y;
3016                                 Y(win) = wc.y = win_g.x;
3017                                 WIDTH(win) = wc.width = win_g.h;
3018                                 HEIGHT(win) = wc.height = win_g.w;
3019                         }
3020                 } else {
3021                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3022                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3023                                 reconfigure = 1;
3024                                 X(win) = wc.x = win_g.x;
3025                                 Y(win) = wc.y = win_g.y;
3026                                 WIDTH(win) = wc.width = win_g.w;
3027                                 HEIGHT(win) = wc.height = win_g.h;
3028                         }
3029                 }
3030                 if (reconfigure) {
3031                         adjust_font(win);
3032                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3033                         XConfigureWindow(display, win->id, mask, &wc);
3034                 }
3035
3036                 if (XGetWindowAttributes(display, win->id, &wa))
3037                         if (wa.map_state == IsUnmapped)
3038                                 XMapRaised(display, win->id);
3039
3040                 last_h = win_g.h;
3041                 i++;
3042                 j++;
3043         }
3044
3045 notiles:
3046         /* now, stack all the floaters and transients */
3047         TAILQ_FOREACH(win, &ws->winlist, entry) {
3048                 if (win->transient == 0 && win->floating == 0)
3049                         continue;
3050                 if (win->iconic == 1)
3051                         continue;
3052                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3053                         fs_win = win;
3054                         continue;
3055                 }
3056
3057                 stack_floater(win, ws->r);
3058                 XMapRaised(display, win->id);
3059         }
3060
3061         if (fs_win) {
3062                 stack_floater(fs_win, ws->r);
3063                 XMapRaised(display, fs_win->id);
3064         }
3065 }
3066
3067 void
3068 vertical_config(struct workspace *ws, int id)
3069 {
3070         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3071             id, ws->idx);
3072
3073         switch (id) {
3074         case SWM_ARG_ID_STACKRESET:
3075         case SWM_ARG_ID_STACKINIT:
3076                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3077                 ws->l_state.vertical_mwin = 1;
3078                 ws->l_state.vertical_stacks = 1;
3079                 break;
3080         case SWM_ARG_ID_MASTERSHRINK:
3081                 if (ws->l_state.vertical_msize > 1)
3082                         ws->l_state.vertical_msize--;
3083                 break;
3084         case SWM_ARG_ID_MASTERGROW:
3085                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3086                         ws->l_state.vertical_msize++;
3087                 break;
3088         case SWM_ARG_ID_MASTERADD:
3089                 ws->l_state.vertical_mwin++;
3090                 break;
3091         case SWM_ARG_ID_MASTERDEL:
3092                 if (ws->l_state.vertical_mwin > 0)
3093                         ws->l_state.vertical_mwin--;
3094                 break;
3095         case SWM_ARG_ID_STACKINC:
3096                 ws->l_state.vertical_stacks++;
3097                 break;
3098         case SWM_ARG_ID_STACKDEC:
3099                 if (ws->l_state.vertical_stacks > 1)
3100                         ws->l_state.vertical_stacks--;
3101                 break;
3102         case SWM_ARG_ID_FLIPLAYOUT:
3103                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3104                 break;
3105         default:
3106                 return;
3107         }
3108 }
3109
3110 void
3111 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3112 {
3113         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3114
3115         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3116 }
3117
3118 void
3119 horizontal_config(struct workspace *ws, int id)
3120 {
3121         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3122
3123         switch (id) {
3124         case SWM_ARG_ID_STACKRESET:
3125         case SWM_ARG_ID_STACKINIT:
3126                 ws->l_state.horizontal_mwin = 1;
3127                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3128                 ws->l_state.horizontal_stacks = 1;
3129                 break;
3130         case SWM_ARG_ID_MASTERSHRINK:
3131                 if (ws->l_state.horizontal_msize > 1)
3132                         ws->l_state.horizontal_msize--;
3133                 break;
3134         case SWM_ARG_ID_MASTERGROW:
3135                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3136                         ws->l_state.horizontal_msize++;
3137                 break;
3138         case SWM_ARG_ID_MASTERADD:
3139                 ws->l_state.horizontal_mwin++;
3140                 break;
3141         case SWM_ARG_ID_MASTERDEL:
3142                 if (ws->l_state.horizontal_mwin > 0)
3143                         ws->l_state.horizontal_mwin--;
3144                 break;
3145         case SWM_ARG_ID_STACKINC:
3146                 ws->l_state.horizontal_stacks++;
3147                 break;
3148         case SWM_ARG_ID_STACKDEC:
3149                 if (ws->l_state.horizontal_stacks > 1)
3150                         ws->l_state.horizontal_stacks--;
3151                 break;
3152         case SWM_ARG_ID_FLIPLAYOUT:
3153                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3154                 break;
3155         default:
3156                 return;
3157         }
3158 }
3159
3160 void
3161 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3162 {
3163         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3164
3165         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3166 }
3167
3168 /* fullscreen view */
3169 void
3170 max_stack(struct workspace *ws, struct swm_geometry *g)
3171 {
3172         XWindowChanges          wc;
3173         struct swm_geometry     gg = *g;
3174         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3175         unsigned int            mask;
3176         int                     winno;
3177
3178         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3179
3180         if (ws == NULL)
3181                 return;
3182
3183         winno = count_win(ws, 0);
3184         if (winno == 0 && count_win(ws, 1) == 0)
3185                 return;
3186
3187         TAILQ_FOREACH(win, &ws->winlist, entry) {
3188                 if (win->transient) {
3189                         wintrans = win;
3190                         parent = find_window(win->transient);
3191                         continue;
3192                 }
3193
3194                 if (win->floating && win->floatmaxed == 0 ) {
3195                         /*
3196                          * retain geometry for retrieval on exit from
3197                          * max_stack mode
3198                          */
3199                         store_float_geom(win, ws->r);
3200                         win->floatmaxed = 1;
3201                 }
3202
3203                 /* only reconfigure if necessary */
3204                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3205                     HEIGHT(win) != gg.h) {
3206                         bzero(&wc, sizeof wc);
3207                         X(win) = wc.x = gg.x;
3208                         Y(win) = wc.y = gg.y;
3209                         if (bar_enabled){
3210                                 wc.border_width = border_width;
3211                                 WIDTH(win) = wc.width = gg.w;
3212                                 HEIGHT(win) = wc.height = gg.h;
3213                         } else {
3214                                 wc.border_width = 0;
3215                                 WIDTH(win) = wc.width = gg.w + 2 * border_width;
3216                                 HEIGHT(win) = wc.height = gg.h +
3217                                     2 * border_width;
3218                         }
3219                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
3220                         XConfigureWindow(display, win->id, mask, &wc);
3221                 }
3222                 /* unmap only if we don't have multi screen */
3223                 if (win != ws->focus)
3224                         if (!(ScreenCount(display) > 1 || outputs > 1))
3225                                 unmap_window(win);
3226         }
3227
3228         /* put the last transient on top */
3229         if (wintrans) {
3230                 if (parent)
3231                         XMapRaised(display, parent->id);
3232                 stack_floater(wintrans, ws->r);
3233                 focus_magic(wintrans);
3234         }
3235 }
3236
3237 void
3238 send_to_ws(struct swm_region *r, union arg *args)
3239 {
3240         int                     wsid = args->id;
3241         struct ws_win           *win = NULL, *parent;
3242         struct workspace        *ws, *nws;
3243         Atom                    ws_idx_atom = 0;
3244         unsigned char           ws_idx_str[SWM_PROPLEN];
3245         union arg               a;
3246
3247         if (r && r->ws && r->ws->focus)
3248                 win = r->ws->focus;
3249         else
3250                 return;
3251         if (win == NULL)
3252                 return;
3253         if (win->ws->idx == wsid)
3254                 return;
3255
3256         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3257
3258         ws = win->ws;
3259         nws = &win->s->ws[wsid];
3260
3261         a.id = SWM_ARG_ID_FOCUSPREV;
3262         focus(r, &a);
3263         if (win->transient) {
3264                 parent = find_window(win->transient);
3265                 if (parent) {
3266                         unmap_window(parent);
3267                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3268                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3269                         parent->ws = nws;
3270                 }
3271         }
3272         unmap_window(win);
3273         TAILQ_REMOVE(&ws->winlist, win, entry);
3274         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3275         if (TAILQ_EMPTY(&ws->winlist))
3276                 r->ws->focus = NULL;
3277         win->ws = nws;
3278
3279         /* Try to update the window's workspace property */
3280         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3281         if (ws_idx_atom &&
3282             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3283                 SWM_PROPLEN) {
3284                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3285                     ws_idx_str);
3286                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3287                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3288         }
3289
3290         stack();
3291 }
3292
3293 void
3294 pressbutton(struct swm_region *r, union arg *args)
3295 {
3296         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3297         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3298 }
3299
3300 void
3301 raise_toggle(struct swm_region *r, union arg *args)
3302 {
3303         if (r && r->ws == NULL)
3304                 return;
3305
3306         r->ws->always_raise = !r->ws->always_raise;
3307
3308         /* bring floaters back to top */
3309         if (r->ws->always_raise == 0)
3310                 stack();
3311 }
3312
3313 void
3314 iconify(struct swm_region *r, union arg *args)
3315 {
3316         union arg a;
3317
3318         if (r->ws->focus == NULL)
3319                 return;
3320         unmap_window(r->ws->focus);
3321         update_iconic(r->ws->focus, 1);
3322         stack();
3323         if (focus_mode == SWM_FOCUS_DEFAULT)
3324                 drain_enter_notify();
3325         r->ws->focus = NULL;
3326         a.id = SWM_ARG_ID_FOCUSCUR;
3327         focus(r, &a);
3328 }
3329
3330 unsigned char *
3331 get_win_name(Window win)
3332 {
3333         unsigned char           *prop = NULL;
3334         unsigned long           nbytes, nitems;
3335
3336         /* try _NET_WM_NAME first */
3337         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3338             &prop)) {
3339                 XFree(prop);
3340                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3341                     &nitems, NULL, &prop))
3342                         return (prop);
3343         }
3344
3345         /* fallback to WM_NAME */
3346         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3347                 return (NULL);
3348         XFree(prop);
3349         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3350                 return (prop);
3351
3352         return (NULL);
3353 }
3354
3355 void
3356 uniconify(struct swm_region *r, union arg *args)
3357 {
3358         struct ws_win           *win;
3359         FILE                    *lfile;
3360         unsigned char           *name;
3361         int                     count = 0;
3362
3363         DNPRINTF(SWM_D_MISC, "uniconify\n");
3364
3365         if (r && r->ws == NULL)
3366                 return;
3367
3368         /* make sure we have anything to uniconify */
3369         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3370                 if (win->ws == NULL)
3371                         continue; /* should never happen */
3372                 if (win->iconic == 0)
3373                         continue;
3374                 count++;
3375         }
3376         if (count == 0)
3377                 return;
3378
3379         search_r = r;
3380         search_resp_action = SWM_SEARCH_UNICONIFY;
3381
3382         spawn_select(r, args, "search", &searchpid);
3383
3384         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3385                 return;
3386
3387         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3388                 if (win->ws == NULL)
3389                         continue; /* should never happen */
3390                 if (win->iconic == 0)
3391                         continue;
3392
3393                 name = get_win_name(win->id);
3394                 if (name == NULL)
3395                         continue;
3396                 fprintf(lfile, "%s.%lu\n", name, win->id);
3397                 XFree(name);
3398         }
3399
3400         fclose(lfile);
3401 }
3402
3403 void
3404 name_workspace(struct swm_region *r, union arg *args)
3405 {
3406         FILE                    *lfile;
3407
3408         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3409
3410         if (r == NULL)
3411                 return;
3412
3413         search_r = r;
3414         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3415
3416         spawn_select(r, args, "name_workspace", &searchpid);
3417
3418         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3419                 return;
3420
3421         fprintf(lfile, "%s", "");
3422         fclose(lfile);
3423 }
3424
3425 void
3426 search_workspace(struct swm_region *r, union arg *args)
3427 {
3428         int                     i;
3429         struct workspace        *ws;
3430         FILE                    *lfile;
3431
3432         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3433
3434         if (r == NULL)
3435                 return;
3436
3437         search_r = r;
3438         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3439
3440         spawn_select(r, args, "search", &searchpid);
3441
3442         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3443                 return;
3444
3445         for (i = 0; i < SWM_WS_MAX; i++) {
3446                 ws = &r->s->ws[i];
3447                 if (ws == NULL)
3448                         continue;
3449                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3450                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3451         }
3452
3453         fclose(lfile);
3454 }
3455
3456 void
3457 search_win_cleanup(void)
3458 {
3459         struct search_window    *sw = NULL;
3460
3461         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3462                 XDestroyWindow(display, sw->indicator);
3463                 XFreeGC(display, sw->gc);
3464                 TAILQ_REMOVE(&search_wl, sw, entry);
3465                 free(sw);
3466         }
3467 }
3468
3469 void
3470 search_win(struct swm_region *r, union arg *args)
3471 {
3472         struct ws_win           *win = NULL;
3473         struct search_window    *sw = NULL;
3474         Window                  w;
3475         XGCValues               gcv;
3476         int                     i;
3477         char                    s[8];
3478         FILE                    *lfile;
3479         size_t                  len;
3480         XRectangle              ibox, lbox;
3481
3482         DNPRINTF(SWM_D_MISC, "search_win\n");
3483
3484         search_r = r;
3485         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3486
3487         spawn_select(r, args, "search", &searchpid);
3488
3489         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3490                 return;
3491
3492         TAILQ_INIT(&search_wl);
3493
3494         i = 1;
3495         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3496                 if (win->iconic == 1)
3497                         continue;
3498
3499                 sw = calloc(1, sizeof(struct search_window));
3500                 if (sw == NULL) {
3501                         warn("search_win: calloc");
3502                         fclose(lfile);
3503                         search_win_cleanup();
3504                         return;
3505                 }
3506                 sw->idx = i;
3507                 sw->win = win;
3508
3509                 snprintf(s, sizeof s, "%d", i);
3510                 len = strlen(s);
3511
3512                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3513
3514                 w = XCreateSimpleWindow(display,
3515                     win->id, 0, 0,lbox.width + 4,
3516                     bar_fs_extents->max_logical_extent.height, 1,
3517                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3518                     r->s->c[SWM_S_COLOR_FOCUS].color);
3519
3520                 sw->indicator = w;
3521                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3522
3523                 sw->gc = XCreateGC(display, w, 0, &gcv);
3524                 XMapRaised(display, w);
3525                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3526
3527                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3528                     (bar_fs_extents->max_logical_extent.height -
3529                     lbox.height) / 2 - lbox.y, s, len);
3530
3531                 fprintf(lfile, "%d\n", i);
3532                 i++;
3533         }
3534
3535         fclose(lfile);
3536 }
3537
3538 void
3539 search_resp_uniconify(char *resp, unsigned long len)
3540 {
3541         unsigned char           *name;
3542         struct ws_win           *win;
3543         char                    *s;
3544
3545         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3546
3547         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3548                 if (win->iconic == 0)
3549                         continue;
3550                 name = get_win_name(win->id);
3551                 if (name == NULL)
3552                         continue;
3553                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3554                         XFree(name);
3555                         continue;
3556                 }
3557                 XFree(name);
3558                 if (strncmp(s, resp, len) == 0) {
3559                         /* XXX this should be a callback to generalize */
3560                         update_iconic(win, 0);
3561                         free(s);
3562                         break;
3563                 }
3564                 free(s);
3565         }
3566 }
3567
3568 void
3569 search_resp_name_workspace(char *resp, unsigned long len)
3570 {
3571         struct workspace        *ws;
3572
3573         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3574
3575         if (search_r->ws == NULL)
3576                 return;
3577         ws = search_r->ws;
3578
3579         if (ws->name) {
3580                 free(search_r->ws->name);
3581                 search_r->ws->name = NULL;
3582         }
3583
3584         if (len > 1) {
3585                 ws->name = strdup(resp);
3586                 if (ws->name == NULL) {
3587                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3588                             "strdup: %s", strerror(errno));
3589                         return;
3590                 }
3591         }
3592 }
3593
3594 void
3595 search_resp_search_workspace(char *resp, unsigned long len)
3596 {
3597         char                    *p, *q;
3598         int                     ws_idx;
3599         const char              *errstr;
3600         union arg               a;
3601
3602         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3603
3604         q = strdup(resp);
3605         if (!q) {
3606                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3607                     strerror(errno));
3608                 return;
3609         }
3610         p = strchr(q, ':');
3611         if (p != NULL)
3612                 *p = '\0';
3613         ws_idx = strtonum(q, 1, SWM_WS_MAX, &errstr);
3614         if (errstr) {
3615                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3616                     errstr, q);
3617                 free(q);
3618                 return;
3619         }
3620         free(q);
3621         a.id = ws_idx - 1;
3622         switchws(search_r, &a);
3623 }
3624
3625 void
3626 search_resp_search_window(char *resp, unsigned long len)
3627 {
3628         char                    *s;
3629         int                     idx;
3630         const char              *errstr;
3631         struct search_window    *sw;
3632
3633         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3634
3635         s = strdup(resp);
3636         if (!s) {
3637                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3638                     strerror(errno));
3639                 return;
3640         }
3641
3642         idx = strtonum(s, 1, INT_MAX, &errstr);
3643         if (errstr) {
3644                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3645                     errstr, s);
3646                 free(s);
3647                 return;
3648         }
3649         free(s);
3650
3651         TAILQ_FOREACH(sw, &search_wl, entry)
3652                 if (idx == sw->idx) {
3653                         focus_win(sw->win);
3654                         break;
3655                 }
3656 }
3657
3658 #define MAX_RESP_LEN    1024
3659
3660 void
3661 search_do_resp(void)
3662 {
3663         ssize_t                 rbytes;
3664         char                    *resp;
3665         unsigned long           len;
3666
3667         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3668
3669         search_resp = 0;
3670         searchpid = 0;
3671
3672         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3673                 warn("search: calloc");
3674                 goto done;
3675         }
3676
3677         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3678         if (rbytes <= 0) {
3679                 warn("search: read error");
3680                 goto done;
3681         }
3682         resp[rbytes] = '\0';
3683
3684         /* XXX:
3685          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
3686          * newline, so work around that by sanitizing the resp now.
3687          */
3688         resp[strcspn(resp, "\n")] = '\0';
3689         len = strlen(resp);
3690
3691         switch (search_resp_action) {
3692         case SWM_SEARCH_UNICONIFY:
3693                 search_resp_uniconify(resp, len);
3694                 break;
3695         case SWM_SEARCH_NAME_WORKSPACE:
3696                 search_resp_name_workspace(resp, len);
3697                 break;
3698         case SWM_SEARCH_SEARCH_WORKSPACE:
3699                 search_resp_search_workspace(resp, len);
3700                 break;
3701         case SWM_SEARCH_SEARCH_WINDOW:
3702                 search_resp_search_window(resp, len);
3703                 break;
3704         }
3705
3706 done:
3707         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
3708                 search_win_cleanup();
3709
3710         search_resp_action = SWM_SEARCH_NONE;
3711         close(select_resp_pipe[0]);
3712         free(resp);
3713 }
3714
3715 void
3716 wkill(struct swm_region *r, union arg *args)
3717 {
3718         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
3719
3720         if (r->ws->focus == NULL)
3721                 return;
3722
3723         if (args->id == SWM_ARG_ID_KILLWINDOW)
3724                 XKillClient(display, r->ws->focus->id);
3725         else
3726                 if (r->ws->focus->can_delete)
3727                         client_msg(r->ws->focus, adelete);
3728 }
3729
3730
3731 int
3732 floating_toggle_win(struct ws_win *win)
3733 {
3734         struct swm_region       *r;
3735
3736         if (win == NULL)
3737                 return 0;
3738
3739         if (!win->ws->r)
3740                 return 0;
3741
3742         r = win->ws->r;
3743
3744         /* reject floating toggles in max stack mode */
3745         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3746                 return 0;
3747
3748         if (win->floating) {
3749                 if (!win->floatmaxed) {
3750                         /* retain position for refloat */
3751                         store_float_geom(win, r);
3752                 }
3753                 win->floating = 0;
3754         } else {
3755                 if (win->g_floatvalid) {
3756                         /* refloat at last floating relative position */
3757                         X(win) = win->g_float.x - win->rg_float.x + X(r);
3758                         Y(win) = win->g_float.y - win->rg_float.y + Y(r);
3759                         WIDTH(win) = win->g_float.w;
3760                         HEIGHT(win) = win->g_float.h;
3761                 }
3762                 win->floating = 1;
3763         }
3764
3765         ewmh_update_actions(win);
3766
3767         return 1;
3768 }
3769
3770 void
3771 floating_toggle(struct swm_region *r, union arg *args)
3772 {
3773         struct ws_win           *win = r->ws->focus;
3774         union arg               a;
3775
3776         if (win == NULL)
3777                 return;
3778
3779         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3780             _NET_WM_STATE_TOGGLE);
3781
3782         stack();
3783         if (focus_mode == SWM_FOCUS_DEFAULT)
3784                 drain_enter_notify();
3785
3786         if (win == win->ws->focus) {
3787                 a.id = SWM_ARG_ID_FOCUSCUR;
3788                 focus(win->ws->r, &a);
3789         }
3790 }
3791
3792 void
3793 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
3794 {
3795         if (X(win) + WIDTH(win) > X(r) + WIDTH(r) - border_width) {
3796                 if (resizable)
3797                         WIDTH(win) = X(r) + WIDTH(r) - X(win) - border_width;
3798                 else
3799                         X(win) = X(r) + WIDTH(r) - WIDTH(win) - border_width;
3800         }
3801
3802         if (X(win) < X(r) - border_width) {
3803                 if (resizable)
3804                         WIDTH(win) -= X(r) - X(win) - border_width;
3805
3806                 X(win) = X(r) - border_width;
3807         }
3808
3809         if (Y(win) + HEIGHT(win) > Y(r) + HEIGHT(r) - border_width) {
3810                 if (resizable)
3811                         HEIGHT(win) = Y(r) + HEIGHT(r) - Y(win) - border_width;
3812                 else
3813                         Y(win) = Y(r) + HEIGHT(r) - HEIGHT(win) - border_width;
3814         }
3815
3816         if (Y(win) < Y(r) - border_width) {
3817                 if (resizable)
3818                         HEIGHT(win) -= Y(r) - Y(win) - border_width;
3819
3820                 Y(win) = Y(r) - border_width;
3821         }
3822
3823         if (WIDTH(win) < 1)
3824                 WIDTH(win) = 1;
3825         if (HEIGHT(win) < 1)
3826                 HEIGHT(win) = 1;
3827 }
3828
3829 void
3830 update_window(struct ws_win *win)
3831 {
3832         unsigned int            mask;
3833         XWindowChanges          wc;
3834
3835         bzero(&wc, sizeof wc);
3836         mask = CWBorderWidth | CWWidth | CWHeight | CWX | CWY;
3837         wc.border_width = border_width;
3838         wc.x = X(win);
3839         wc.y = Y(win);
3840         wc.width = WIDTH(win);
3841         wc.height = HEIGHT(win);
3842
3843         DNPRINTF(SWM_D_MISC, "update_window: window: 0x%lx, (x,y) w x h: "
3844             "(%d,%d) %d x %d\n", win->id, wc.x, wc.y, wc.width, wc.height);
3845
3846         XConfigureWindow(display, win->id, mask, &wc);
3847 }
3848
3849 #define SWM_RESIZE_STEPS        (50)
3850
3851 void
3852 resize(struct ws_win *win, union arg *args)
3853 {
3854         XEvent                  ev;
3855         Time                    time = 0;
3856         struct swm_region       *r = NULL;
3857         int                     resize_step = 0;
3858         Window                  rr, cr;
3859         int                     x, y, wx, wy;
3860         unsigned int            mask;
3861         struct swm_geometry     g;
3862         int                     top = 0, left = 0;
3863         int                     dx, dy;
3864         Cursor                  cursor;
3865         unsigned int            shape; /* cursor style */
3866
3867         if (win == NULL)
3868                 return;
3869         r = win->ws->r;
3870
3871         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
3872             "transient: 0x%lx\n", win->id, YESNO(win->floating),
3873             win->transient);
3874
3875         if (!(win->transient != 0 || win->floating != 0))
3876                 return;
3877
3878         /* reject resizes in max mode for floaters (transient ok) */
3879         if (win->floatmaxed)
3880                 return;
3881
3882         win->manual = 1;
3883         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3884             _NET_WM_STATE_ADD);
3885
3886         stack();
3887
3888         switch (args->id) {
3889         case SWM_ARG_ID_WIDTHSHRINK:
3890                 WIDTH(win) -= SWM_RESIZE_STEPS;
3891                 resize_step = 1;
3892                 break;
3893         case SWM_ARG_ID_WIDTHGROW:
3894                 WIDTH(win) += SWM_RESIZE_STEPS;
3895                 resize_step = 1;
3896                 break;
3897         case SWM_ARG_ID_HEIGHTSHRINK:
3898                 HEIGHT(win) -= SWM_RESIZE_STEPS;
3899                 resize_step = 1;
3900                 break;
3901         case SWM_ARG_ID_HEIGHTGROW:
3902                 HEIGHT(win) += SWM_RESIZE_STEPS;
3903                 resize_step = 1;
3904                 break;
3905         default:
3906                 break;
3907         }
3908         if (resize_step) {
3909                 constrain_window(win, r, 1);
3910                 update_window(win);
3911                 store_float_geom(win,r);
3912                 return;
3913         }
3914
3915         if (focus_mode == SWM_FOCUS_DEFAULT)
3916                 drain_enter_notify();
3917
3918         /* get cursor offset from window root */
3919         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
3920             return;
3921
3922         g = win->g;
3923
3924         if (wx < WIDTH(win) / 2)
3925                 left = 1;
3926
3927         if (wy < HEIGHT(win) / 2)
3928                 top = 1;
3929
3930         if (args->id == SWM_ARG_ID_CENTER)
3931                 shape = XC_sizing;
3932         else if (top)
3933                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
3934         else
3935                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
3936
3937         cursor = XCreateFontCursor(display, shape);
3938
3939         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3940             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
3941                 XFreeCursor(display, cursor);
3942                 return;
3943         }
3944
3945         do {
3946                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3947                     SubstructureRedirectMask, &ev);
3948                 switch (ev.type) {
3949                 case ConfigureRequest:
3950                 case Expose:
3951                 case MapRequest:
3952                         handler[ev.type](&ev);
3953                         break;
3954                 case MotionNotify:
3955                         /* cursor offset/delta from start of the operation */
3956                         dx = ev.xmotion.x_root - x;
3957                         dy = ev.xmotion.y_root - y;
3958
3959                         /* vertical */
3960                         if (top)
3961                                 dy = -dy;
3962
3963                         if (args->id == SWM_ARG_ID_CENTER) {
3964                                 if (g.h / 2 + dy < 1)
3965                                         dy = 1 - g.h / 2;
3966
3967                                 Y(win) = g.y - dy;
3968                                 HEIGHT(win) = g.h + 2 * dy;
3969                         } else {
3970                                 if (g.h + dy < 1)
3971                                         dy = 1 - g.h;
3972
3973                                 if (top)
3974                                         Y(win) = g.y - dy;
3975
3976                                 HEIGHT(win) = g.h + dy;
3977                         }
3978
3979                         /* horizontal */
3980                         if (left)
3981                                 dx = -dx;
3982
3983                         if (args->id == SWM_ARG_ID_CENTER) {
3984                                 if (g.w / 2 + dx < 1)
3985                                         dx = 1 - g.w / 2;
3986
3987                                 X(win) = g.x - dx;
3988                                 WIDTH(win) = g.w + 2 * dx;
3989                         } else {
3990                                 if (g.w + dx < 1)
3991                                         dx = 1 - g.w;
3992
3993                                 if (left)
3994                                         X(win) = g.x - dx;
3995
3996                                 WIDTH(win) = g.w + dx;
3997                         }
3998
3999                         constrain_window(win, r, 1);
4000
4001                         /* not free, don't sync more than 120 times / second */
4002                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4003                                 time = ev.xmotion.time;
4004                                 XSync(display, False);
4005                                 update_window(win);
4006                         }
4007                         break;
4008                 }
4009         } while (ev.type != ButtonRelease);
4010         if (time) {
4011                 XSync(display, False);
4012                 update_window(win);
4013         }
4014         store_float_geom(win,r);
4015
4016         XUngrabPointer(display, CurrentTime);
4017         XFreeCursor(display, cursor);
4018
4019         /* drain events */
4020         drain_enter_notify();
4021 }
4022
4023 void
4024 resize_step(struct swm_region *r, union arg *args)
4025 {
4026         struct ws_win           *win = NULL;
4027
4028         if (r && r->ws && r->ws->focus)
4029                 win = r->ws->focus;
4030         else
4031                 return;
4032
4033         resize(win, args);
4034 }
4035
4036 #define SWM_MOVE_STEPS  (50)
4037
4038 void
4039 move(struct ws_win *win, union arg *args)
4040 {
4041         XEvent                  ev;
4042         Time                    time = 0;
4043         int                     move_step = 0;
4044         struct swm_region       *r = NULL;
4045
4046         Window                  rr, cr;
4047         int                     x, y, wx, wy;
4048         unsigned int            mask;
4049
4050         if (win == NULL)
4051                 return;
4052         r = win->ws->r;
4053
4054         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4055             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4056
4057         /* in max_stack mode should only move transients */
4058         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4059                 return;
4060
4061         win->manual = 1;
4062         if (win->floating == 0 && !win->transient) {
4063                 store_float_geom(win,r);
4064                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4065                     _NET_WM_STATE_ADD);
4066         }
4067         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4068             _NET_WM_STATE_ADD);
4069
4070         stack();
4071
4072         move_step = 0;
4073         switch (args->id) {
4074         case SWM_ARG_ID_MOVELEFT:
4075                 X(win) -= (SWM_MOVE_STEPS - border_width);
4076                 move_step = 1;
4077                 break;
4078         case SWM_ARG_ID_MOVERIGHT:
4079                 X(win) += (SWM_MOVE_STEPS - border_width);
4080                 move_step = 1;
4081                 break;
4082         case SWM_ARG_ID_MOVEUP:
4083                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4084                 move_step = 1;
4085                 break;
4086         case SWM_ARG_ID_MOVEDOWN:
4087                 Y(win) += (SWM_MOVE_STEPS - border_width);
4088                 move_step = 1;
4089                 break;
4090         default:
4091                 break;
4092         }
4093         if (move_step) {
4094                 constrain_window(win, r, 0);
4095                 update_window(win);
4096                 store_float_geom(win, r);
4097                 return;
4098         }
4099
4100         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4101             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4102             CurrentTime) != GrabSuccess)
4103                 return;
4104
4105         /* get cursor offset from window root */
4106         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4107             return;
4108
4109         do {
4110                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4111                     SubstructureRedirectMask, &ev);
4112                 switch (ev.type) {
4113                 case ConfigureRequest:
4114                 case Expose:
4115                 case MapRequest:
4116                         handler[ev.type](&ev);
4117                         break;
4118                 case MotionNotify:
4119                         X(win) = ev.xmotion.x_root - wx - border_width;
4120                         Y(win) = ev.xmotion.y_root - wy - border_width;
4121
4122                         constrain_window(win, r, 0);
4123
4124                         /* not free, don't sync more than 120 times / second */
4125                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4126                                 time = ev.xmotion.time;
4127                                 XSync(display, False);
4128                                 update_window(win);
4129                         }
4130                         break;
4131                 }
4132         } while (ev.type != ButtonRelease);
4133         if (time) {
4134                 XSync(display, False);
4135                 update_window(win);
4136         }
4137         store_float_geom(win,r);
4138         XUngrabPointer(display, CurrentTime);
4139
4140         /* drain events */
4141         drain_enter_notify();
4142 }
4143
4144 void
4145 move_step(struct swm_region *r, union arg *args)
4146 {
4147         struct ws_win           *win = NULL;
4148
4149         if (r && r->ws && r->ws->focus)
4150                 win = r->ws->focus;
4151         else
4152                 return;
4153
4154         if (!(win->transient != 0 || win->floating != 0))
4155                 return;
4156
4157         move(win, args);
4158 }
4159
4160
4161 /* user/key callable function IDs */
4162 enum keyfuncid {
4163         kf_cycle_layout,
4164         kf_flip_layout,
4165         kf_stack_reset,
4166         kf_master_shrink,
4167         kf_master_grow,
4168         kf_master_add,
4169         kf_master_del,
4170         kf_stack_inc,
4171         kf_stack_dec,
4172         kf_swap_main,
4173         kf_focus_next,
4174         kf_focus_prev,
4175         kf_swap_next,
4176         kf_swap_prev,
4177         kf_spawn_term,
4178         kf_spawn_menu,
4179         kf_quit,
4180         kf_restart,
4181         kf_focus_main,
4182         kf_ws_1,
4183         kf_ws_2,
4184         kf_ws_3,
4185         kf_ws_4,
4186         kf_ws_5,
4187         kf_ws_6,
4188         kf_ws_7,
4189         kf_ws_8,
4190         kf_ws_9,
4191         kf_ws_10,
4192         kf_ws_next,
4193         kf_ws_prev,
4194         kf_ws_next_all,
4195         kf_ws_prev_all,
4196         kf_ws_prior,
4197         kf_screen_next,
4198         kf_screen_prev,
4199         kf_mvws_1,
4200         kf_mvws_2,
4201         kf_mvws_3,
4202         kf_mvws_4,
4203         kf_mvws_5,
4204         kf_mvws_6,
4205         kf_mvws_7,
4206         kf_mvws_8,
4207         kf_mvws_9,
4208         kf_mvws_10,
4209         kf_bar_toggle,
4210         kf_wind_kill,
4211         kf_wind_del,
4212         kf_screenshot_all,
4213         kf_screenshot_wind,
4214         kf_float_toggle,
4215         kf_version,
4216         kf_spawn_lock,
4217         kf_spawn_initscr,
4218         kf_spawn_custom,
4219         kf_iconify,
4220         kf_uniconify,
4221         kf_raise_toggle,
4222         kf_button2,
4223         kf_width_shrink,
4224         kf_width_grow,
4225         kf_height_shrink,
4226         kf_height_grow,
4227         kf_move_left,
4228         kf_move_right,
4229         kf_move_up,
4230         kf_move_down,
4231         kf_name_workspace,
4232         kf_search_workspace,
4233         kf_search_win,
4234         kf_dumpwins, /* MUST BE LAST */
4235         kf_invalid
4236 };
4237
4238 /* key definitions */
4239 void
4240 dummykeyfunc(struct swm_region *r, union arg *args)
4241 {
4242 };
4243
4244 void
4245 legacyfunc(struct swm_region *r, union arg *args)
4246 {
4247 };
4248
4249 struct keyfunc {
4250         char                    name[SWM_FUNCNAME_LEN];
4251         void                    (*func)(struct swm_region *r, union arg *);
4252         union arg               args;
4253 } keyfuncs[kf_invalid + 1] = {
4254         /* name                 function        argument */
4255         { "cycle_layout",       cycle_layout,   {0} },
4256         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4257         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4258         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4259         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4260         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4261         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4262         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4263         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4264         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4265         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4266         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4267         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4268         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4269         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
4270         { "spawn_menu",         legacyfunc,     {0} },
4271         { "quit",               quit,           {0} },
4272         { "restart",            restart,        {0} },
4273         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4274         { "ws_1",               switchws,       {.id = 0} },
4275         { "ws_2",               switchws,       {.id = 1} },
4276         { "ws_3",               switchws,       {.id = 2} },
4277         { "ws_4",               switchws,       {.id = 3} },
4278         { "ws_5",               switchws,       {.id = 4} },
4279         { "ws_6",               switchws,       {.id = 5} },
4280         { "ws_7",               switchws,       {.id = 6} },
4281         { "ws_8",               switchws,       {.id = 7} },
4282         { "ws_9",               switchws,       {.id = 8} },
4283         { "ws_10",              switchws,       {.id = 9} },
4284         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4285         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4286         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4287         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4288         { "ws_prior",           priorws,        {0} },
4289         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4290         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4291         { "mvws_1",             send_to_ws,     {.id = 0} },
4292         { "mvws_2",             send_to_ws,     {.id = 1} },
4293         { "mvws_3",             send_to_ws,     {.id = 2} },
4294         { "mvws_4",             send_to_ws,     {.id = 3} },
4295         { "mvws_5",             send_to_ws,     {.id = 4} },
4296         { "mvws_6",             send_to_ws,     {.id = 5} },
4297         { "mvws_7",             send_to_ws,     {.id = 6} },
4298         { "mvws_8",             send_to_ws,     {.id = 7} },
4299         { "mvws_9",             send_to_ws,     {.id = 8} },
4300         { "mvws_10",            send_to_ws,     {.id = 9} },
4301         { "bar_toggle",         bar_toggle,     {0} },
4302         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4303         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4304         { "screenshot_all",     legacyfunc,     {0} },
4305         { "screenshot_wind",    legacyfunc,     {0} },
4306         { "float_toggle",       floating_toggle,{0} },
4307         { "version",            version,        {0} },
4308         { "spawn_lock",         legacyfunc,     {0} },
4309         { "spawn_initscr",      legacyfunc,     {0} },
4310         { "spawn_custom",       dummykeyfunc,   {0} },
4311         { "iconify",            iconify,        {0} },
4312         { "uniconify",          uniconify,      {0} },
4313         { "raise_toggle",       raise_toggle,   {0} },
4314         { "button2",            pressbutton,    {2} },
4315         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4316         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4317         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4318         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4319         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4320         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4321         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4322         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4323         { "name_workspace",     name_workspace, {0} },
4324         { "search_workspace",   search_workspace,       {0} },
4325         { "search_win",         search_win,     {0} },
4326         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4327         { "invalid key func",   NULL,           {0} },
4328 };
4329 struct key {
4330         TAILQ_ENTRY(key)        entry;
4331         unsigned int            mod;
4332         KeySym                  keysym;
4333         enum keyfuncid          funcid;
4334         char                    *spawn_name;
4335 };
4336 TAILQ_HEAD(key_list, key);
4337 struct key_list                 keys = TAILQ_HEAD_INITIALIZER(keys);
4338
4339 /* mouse */
4340 enum { client_click, root_click };
4341 struct button {
4342         unsigned int            action;
4343         unsigned int            mask;
4344         unsigned int            button;
4345         void                    (*func)(struct ws_win *, union arg *);
4346         union arg               args;
4347 } buttons[] = {
4348           /* action     key             mouse button    func    args */
4349         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4350         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4351         { client_click, MODKEY,         Button1,        move,   {0} },
4352 };
4353
4354 void
4355 update_modkey(unsigned int mod)
4356 {
4357         int                     i;
4358         struct key              *kp;
4359
4360         mod_key = mod;
4361         TAILQ_FOREACH(kp, &keys, entry)
4362                 if (kp->mod & ShiftMask)
4363                         kp->mod = mod | ShiftMask;
4364                 else
4365                         kp->mod = mod;
4366
4367         for (i = 0; i < LENGTH(buttons); i++)
4368                 if (buttons[i].mask & ShiftMask)
4369                         buttons[i].mask = mod | ShiftMask;
4370                 else
4371                         buttons[i].mask = mod;
4372 }
4373
4374 /* spawn */
4375 struct spawn_prog {
4376         TAILQ_ENTRY(spawn_prog) entry;
4377         char                    *name;
4378         int                     argc;
4379         char                    **argv;
4380 };
4381 TAILQ_HEAD(spawn_list, spawn_prog);
4382 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4383
4384 int
4385 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4386     char ***ret_args)
4387 {
4388         struct spawn_prog       *prog = NULL;
4389         int                     i;
4390         char                    *ap, **real_args;
4391
4392         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4393
4394         /* find program */
4395         TAILQ_FOREACH(prog, &spawns, entry) {
4396                 if (!strcasecmp(spawn_name, prog->name))
4397                         break;
4398         }
4399         if (prog == NULL) {
4400                 warnx("spawn_custom: program %s not found", spawn_name);
4401                 return (-1);
4402         }
4403
4404         /* make room for expanded args */
4405         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4406                 err(1, "spawn_custom: calloc real_args");
4407
4408         /* expand spawn_args into real_args */
4409         for (i = 0; i < prog->argc; i++) {
4410                 ap = prog->argv[i];
4411                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4412                 if (!strcasecmp(ap, "$bar_border")) {
4413                         if ((real_args[i] =
4414                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4415                             == NULL)
4416                                 err(1,  "spawn_custom border color");
4417                 } else if (!strcasecmp(ap, "$bar_color")) {
4418                         if ((real_args[i] =
4419                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4420                             == NULL)
4421                                 err(1, "spawn_custom bar color");
4422                 } else if (!strcasecmp(ap, "$bar_font")) {
4423                         if ((real_args[i] = strdup(bar_fonts))
4424                             == NULL)
4425                                 err(1, "spawn_custom bar fonts");
4426                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4427                         if ((real_args[i] =
4428                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4429                             == NULL)
4430                                 err(1, "spawn_custom color font");
4431                 } else if (!strcasecmp(ap, "$color_focus")) {
4432                         if ((real_args[i] =
4433                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4434                             == NULL)
4435                                 err(1, "spawn_custom color focus");
4436                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4437                         if ((real_args[i] =
4438                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4439                             == NULL)
4440                                 err(1, "spawn_custom color unfocus");
4441                 } else {
4442                         /* no match --> copy as is */
4443                         if ((real_args[i] = strdup(ap)) == NULL)
4444                                 err(1, "spawn_custom strdup(ap)");
4445                 }
4446                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4447                     real_args[i]);
4448         }
4449
4450 #ifdef SWM_DEBUG
4451         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4452         for (i = 0; i < prog->argc; i++)
4453                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4454         DNPRINTF(SWM_D_SPAWN, "\n");
4455 #endif
4456         *ret_args = real_args;
4457         return (prog->argc);
4458 }
4459
4460 void
4461 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4462 {
4463         union arg               a;
4464         char                    **real_args;
4465         int                     spawn_argc, i;
4466
4467         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4468                 return;
4469         a.argv = real_args;
4470         if (fork() == 0)
4471                 spawn(r->ws->idx, &a, 1);
4472
4473         for (i = 0; i < spawn_argc; i++)
4474                 free(real_args[i]);
4475         free(real_args);
4476 }
4477
4478 void
4479 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4480 {
4481         union arg               a;
4482         char                    **real_args;
4483         int                     i, spawn_argc;
4484
4485         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4486                 return;
4487         a.argv = real_args;
4488
4489         if (pipe(select_list_pipe) == -1)
4490                 err(1, "pipe error");
4491         if (pipe(select_resp_pipe) == -1)
4492                 err(1, "pipe error");
4493
4494         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4495                 err(1, "could not disable SIGPIPE");
4496         switch (*pid = fork()) {
4497         case -1:
4498                 err(1, "cannot fork");
4499                 break;
4500         case 0: /* child */
4501                 if (dup2(select_list_pipe[0], 0) == -1)
4502                         err(1, "dup2");
4503                 if (dup2(select_resp_pipe[1], 1) == -1)
4504                         err(1, "dup2");
4505                 close(select_list_pipe[1]);
4506                 close(select_resp_pipe[0]);
4507                 spawn(r->ws->idx, &a, 0);
4508                 break;
4509         default: /* parent */
4510                 close(select_list_pipe[0]);
4511                 close(select_resp_pipe[1]);
4512                 break;
4513         }
4514
4515         for (i = 0; i < spawn_argc; i++)
4516                 free(real_args[i]);
4517         free(real_args);
4518 }
4519
4520 void
4521 spawn_insert(char *name, char *args)
4522 {
4523         char                    *arg, *cp, *ptr;
4524         struct spawn_prog       *sp;
4525
4526         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4527
4528         if ((sp = calloc(1, sizeof *sp)) == NULL)
4529                 err(1, "spawn_insert: malloc");
4530         if ((sp->name = strdup(name)) == NULL)
4531                 err(1, "spawn_insert: strdup");
4532
4533         /* convert the arguments to an argument list */
4534         if ((ptr = cp = strdup(args)) == NULL)
4535                 err(1, "spawn_insert: strdup");
4536         while ((arg = strsep(&ptr, " \t")) != NULL) {
4537                 /* empty field; skip it */
4538                 if (*arg == '\0')
4539                         continue;
4540
4541                 sp->argc++;
4542                 if ((sp->argv = realloc(sp->argv, sp->argc *
4543                     sizeof *sp->argv)) == NULL)
4544                         err(1, "spawn_insert: realloc");
4545                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4546                         err(1, "spawn_insert: strdup");
4547         }
4548         free(cp);
4549
4550         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4551         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4552 }
4553
4554 void
4555 spawn_remove(struct spawn_prog *sp)
4556 {
4557         int                     i;
4558
4559         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4560
4561         TAILQ_REMOVE(&spawns, sp, entry);
4562         for (i = 0; i < sp->argc; i++)
4563                 free(sp->argv[i]);
4564         free(sp->argv);
4565         free(sp->name);
4566         free(sp);
4567
4568         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4569 }
4570
4571 void
4572 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4573 {
4574         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4575
4576         spawn_remove(sp);
4577         spawn_insert(name, args);
4578
4579         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4580 }
4581
4582 void
4583 setspawn(char *name, char *args)
4584 {
4585         struct spawn_prog       *sp;
4586
4587         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
4588
4589         if (name == NULL)
4590                 return;
4591
4592         TAILQ_FOREACH(sp, &spawns, entry) {
4593                 if (!strcmp(sp->name, name)) {
4594                         if (*args == '\0')
4595                                 spawn_remove(sp);
4596                         else
4597                                 spawn_replace(sp, name, args);
4598                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4599                         return;
4600                 }
4601         }
4602         if (*args == '\0') {
4603                 warnx("error: setspawn: cannot find program: %s", name);
4604                 return;
4605         }
4606
4607         spawn_insert(name, args);
4608         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
4609 }
4610
4611 int
4612 setconfspawn(char *selector, char *value, int flags)
4613 {
4614         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
4615
4616         setspawn(selector, value);
4617
4618         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
4619         return (0);
4620 }
4621
4622 void
4623 setup_spawn(void)
4624 {
4625         setconfspawn("term",            "xterm",                0);
4626         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
4627         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
4628         setconfspawn("lock",            "xlock",                0);
4629         setconfspawn("initscr",         "initscreen.sh",        0);
4630         setconfspawn("menu",            "dmenu_run"
4631                                         " -fn $bar_font"
4632                                         " -nb $bar_color"
4633                                         " -nf $bar_font_color"
4634                                         " -sb $bar_border"
4635                                         " -sf $bar_color",      0);
4636         setconfspawn("search",          "dmenu"
4637                                         " -i"
4638                                         " -fn $bar_font"
4639                                         " -nb $bar_color"
4640                                         " -nf $bar_font_color"
4641                                         " -sb $bar_border"
4642                                         " -sf $bar_color",      0);
4643         setconfspawn("name_workspace",  "dmenu"
4644                                         " -p Workspace"
4645                                         " -fn $bar_font"
4646                                         " -nb $bar_color"
4647                                         " -nf $bar_font_color"
4648                                         " -sb $bar_border"
4649                                         " -sf $bar_color",      0);
4650 }
4651
4652 /* key bindings */
4653 #define SWM_MODNAME_SIZE        32
4654 #define SWM_KEY_WS              "\n+ \t"
4655 int
4656 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
4657 {
4658         char                    *cp, *name;
4659         KeySym                  uks;
4660         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
4661         if (mod == NULL || ks == NULL) {
4662                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
4663                 return (1);
4664         }
4665         if (keystr == NULL || strlen(keystr) == 0) {
4666                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
4667                 return (1);
4668         }
4669         cp = keystr;
4670         *ks = NoSymbol;
4671         *mod = 0;
4672         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
4673                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
4674                 if (cp)
4675                         cp += (long)strspn(cp, SWM_KEY_WS);
4676                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
4677                         *mod |= currmod;
4678                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
4679                         *mod |= Mod1Mask;
4680                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
4681                         *mod += Mod2Mask;
4682                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
4683                         *mod |= Mod3Mask;
4684                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
4685                         *mod |= Mod4Mask;
4686                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
4687                         *mod |= ShiftMask;
4688                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
4689                         *mod |= ControlMask;
4690                 else {
4691                         *ks = XStringToKeysym(name);
4692                         XConvertCase(*ks, ks, &uks);
4693                         if (ks == NoSymbol) {
4694                                 DNPRINTF(SWM_D_KEY,
4695                                     "parsekeys: invalid key %s\n",
4696                                     name);
4697                                 return (1);
4698                         }
4699                 }
4700         }
4701         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
4702         return (0);
4703 }
4704
4705 char *
4706 strdupsafe(char *str)
4707 {
4708         if (str == NULL)
4709                 return (NULL);
4710         else
4711                 return (strdup(str));
4712 }
4713
4714 void
4715 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
4716 {
4717         struct key              *kp;
4718
4719         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
4720             keyfuncs[kfid].name, spawn_name);
4721
4722         if ((kp = malloc(sizeof *kp)) == NULL)
4723                 err(1, "key_insert: malloc");
4724
4725         kp->mod = mod;
4726         kp->keysym = ks;
4727         kp->funcid = kfid;
4728         kp->spawn_name = strdupsafe(spawn_name);
4729         TAILQ_INSERT_TAIL(&keys, kp, entry);
4730
4731         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
4732 }
4733
4734 void
4735 key_remove(struct key *kp)
4736 {
4737         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
4738
4739         TAILQ_REMOVE(&keys, kp, entry);
4740         free(kp->spawn_name);
4741         free(kp);
4742
4743         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
4744 }
4745
4746 void
4747 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
4748     char *spawn_name)
4749 {
4750         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
4751             spawn_name);
4752
4753         key_remove(kp);
4754         key_insert(mod, ks, kfid, spawn_name);
4755
4756         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
4757 }
4758
4759 void
4760 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
4761     char *spawn_name)
4762 {
4763         struct key              *kp;
4764
4765         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
4766             keyfuncs[kfid].name, spawn_name);
4767
4768         TAILQ_FOREACH(kp, &keys, entry) {
4769                 if (kp->mod == mod && kp->keysym == ks) {
4770                         if (kfid == kf_invalid)
4771                                 key_remove(kp);
4772                         else
4773                                 key_replace(kp, mod, ks, kfid, spawn_name);
4774                         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4775                         return;
4776                 }
4777         }
4778         if (kfid == kf_invalid) {
4779                 warnx("error: setkeybinding: cannot find mod/key combination");
4780                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4781                 return;
4782         }
4783
4784         key_insert(mod, ks, kfid, spawn_name);
4785         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4786 }
4787
4788 int
4789 setconfbinding(char *selector, char *value, int flags)
4790 {
4791         enum keyfuncid          kfid;
4792         unsigned int            mod;
4793         KeySym                  ks;
4794         struct spawn_prog       *sp;
4795         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4796         if (selector == NULL) {
4797                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4798                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4799                         kfid = kf_invalid;
4800                         setkeybinding(mod, ks, kfid, NULL);
4801                         return (0);
4802                 } else
4803                         return (1);
4804         }
4805         /* search by key function name */
4806         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4807                 if (strncasecmp(selector, keyfuncs[kfid].name,
4808                     SWM_FUNCNAME_LEN) == 0) {
4809                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4810                             selector);
4811                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4812                                 setkeybinding(mod, ks, kfid, NULL);
4813                                 return (0);
4814                         } else
4815                                 return (1);
4816                 }
4817         }
4818         /* search by custom spawn name */
4819         TAILQ_FOREACH(sp, &spawns, entry) {
4820                 if (strcasecmp(selector, sp->name) == 0) {
4821                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4822                             selector);
4823                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4824                                 setkeybinding(mod, ks, kf_spawn_custom,
4825                                     sp->name);
4826                                 return (0);
4827                         } else
4828                                 return (1);
4829                 }
4830         }
4831         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4832         return (1);
4833 }
4834
4835 void
4836 setup_keys(void)
4837 {
4838         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4839         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
4840         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4841         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4842         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4843         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4844         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4845         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4846         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4847         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4848         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4849         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4850         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4851         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4852         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4853         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
4854         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4855         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4856         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4857         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4858         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4859         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4860         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4861         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4862         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4863         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4864         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4865         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4866         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4867         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4868         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4869         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
4870         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
4871         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4872         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4873         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4874         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4875         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4876         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4877         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4878         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4879         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4880         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4881         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4882         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4883         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4884         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4885         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4886         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4887         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4888         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4889         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
4890         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
4891         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4892         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4893         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
4894         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
4895         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4896         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4897         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
4898         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
4899         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
4900         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
4901         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
4902         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
4903         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
4904         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
4905         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
4906         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
4907         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
4908         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
4909         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
4910 #ifdef SWM_DEBUG
4911         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4912 #endif
4913 }
4914
4915 void
4916 clear_keys(void)
4917 {
4918         struct key              *kp_loop, *kp_next;
4919
4920         kp_loop = TAILQ_FIRST(&keys);
4921         while (kp_loop != NULL) {
4922                 kp_next = TAILQ_NEXT(kp_loop, entry);
4923                 key_remove(kp_loop);
4924                 kp_loop = kp_next;
4925         }
4926 }
4927
4928 int
4929 setkeymapping(char *selector, char *value, int flags)
4930 {
4931         char                    keymapping_file[PATH_MAX];
4932         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
4933         if (value[0] == '~')
4934                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
4935                     pwd->pw_dir, &value[1]);
4936         else
4937                 strlcpy(keymapping_file, value, sizeof keymapping_file);
4938         clear_keys();
4939         /* load new key bindings; if it fails, revert to default bindings */
4940         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
4941                 clear_keys();
4942                 setup_keys();
4943         }
4944         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
4945         return (0);
4946 }
4947
4948 void
4949 updatenumlockmask(void)
4950 {
4951         unsigned int            i, j;
4952         XModifierKeymap         *modmap;
4953
4954         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4955         numlockmask = 0;
4956         modmap = XGetModifierMapping(display);
4957         for (i = 0; i < 8; i++)
4958                 for (j = 0; j < modmap->max_keypermod; j++)
4959                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4960                             == XKeysymToKeycode(display, XK_Num_Lock))
4961                                 numlockmask = (1 << i);
4962
4963         XFreeModifiermap(modmap);
4964 }
4965
4966 void
4967 grabkeys(void)
4968 {
4969         unsigned int            j, k;
4970         KeyCode                 code;
4971         unsigned int            modifiers[] =
4972             { 0, LockMask, numlockmask, numlockmask | LockMask };
4973         struct key              *kp;
4974
4975         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4976         updatenumlockmask();
4977
4978         for (k = 0; k < ScreenCount(display); k++) {
4979                 if (TAILQ_EMPTY(&screens[k].rl))
4980                         continue;
4981                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4982                 TAILQ_FOREACH(kp, &keys, entry) {
4983                         if ((code = XKeysymToKeycode(display, kp->keysym)))
4984                                 for (j = 0; j < LENGTH(modifiers); j++)
4985                                         XGrabKey(display, code,
4986                                             kp->mod | modifiers[j],
4987                                             screens[k].root, True,
4988                                             GrabModeAsync, GrabModeAsync);
4989                 }
4990         }
4991 }
4992
4993 void
4994 grabbuttons(struct ws_win *win, int focused)
4995 {
4996         unsigned int            i, j;
4997         unsigned int            modifiers[] =
4998             { 0, LockMask, numlockmask, numlockmask|LockMask };
4999
5000         updatenumlockmask();
5001         XUngrabButton(display, AnyButton, AnyModifier, win->id);
5002         if (focused) {
5003                 for (i = 0; i < LENGTH(buttons); i++)
5004                         if (buttons[i].action == client_click)
5005                                 for (j = 0; j < LENGTH(modifiers); j++)
5006                                         XGrabButton(display, buttons[i].button,
5007                                             buttons[i].mask | modifiers[j],
5008                                             win->id, False, BUTTONMASK,
5009                                             GrabModeAsync, GrabModeSync, None,
5010                                             None);
5011         } else
5012                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
5013                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
5014 }
5015
5016 const char *quirkname[] = {
5017         "NONE",         /* config string for "no value" */
5018         "FLOAT",
5019         "TRANSSZ",
5020         "ANYWHERE",
5021         "XTERM_FONTADJ",
5022         "FULLSCREEN",
5023         "FOCUSPREV",
5024 };
5025
5026 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5027 #define SWM_Q_WS                "\n|+ \t"
5028 int
5029 parsequirks(char *qstr, unsigned long *quirk)
5030 {
5031         char                    *cp, *name;
5032         int                     i;
5033
5034         if (quirk == NULL)
5035                 return (1);
5036
5037         cp = qstr;
5038         *quirk = 0;
5039         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5040                 if (cp)
5041                         cp += (long)strspn(cp, SWM_Q_WS);
5042                 for (i = 0; i < LENGTH(quirkname); i++) {
5043                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5044                                 DNPRINTF(SWM_D_QUIRK,
5045                                     "parsequirks: %s\n", name);
5046                                 if (i == 0) {
5047                                         *quirk = 0;
5048                                         return (0);
5049                                 }
5050                                 *quirk |= 1 << (i-1);
5051                                 break;
5052                         }
5053                 }
5054                 if (i >= LENGTH(quirkname)) {
5055                         DNPRINTF(SWM_D_QUIRK,
5056                             "parsequirks: invalid quirk [%s]\n", name);
5057                         return (1);
5058                 }
5059         }
5060         return (0);
5061 }
5062
5063 void
5064 quirk_insert(const char *class, const char *name, unsigned long quirk)
5065 {
5066         struct quirk            *qp;
5067
5068         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5069             quirk);
5070
5071         if ((qp = malloc(sizeof *qp)) == NULL)
5072                 err(1, "quirk_insert: malloc");
5073         if ((qp->class = strdup(class)) == NULL)
5074                 err(1, "quirk_insert: strdup");
5075         if ((qp->name = strdup(name)) == NULL)
5076                 err(1, "quirk_insert: strdup");
5077
5078         qp->quirk = quirk;
5079         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5080
5081         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5082 }
5083
5084 void
5085 quirk_remove(struct quirk *qp)
5086 {
5087         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5088             qp->name, qp->quirk);
5089
5090         TAILQ_REMOVE(&quirks, qp, entry);
5091         free(qp->class);
5092         free(qp->name);
5093         free(qp);
5094
5095         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5096 }
5097
5098 void
5099 quirk_replace(struct quirk *qp, const char *class, const char *name,
5100     unsigned long quirk)
5101 {
5102         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5103             qp->name, qp->quirk);
5104
5105         quirk_remove(qp);
5106         quirk_insert(class, name, quirk);
5107
5108         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5109 }
5110
5111 void
5112 setquirk(const char *class, const char *name, unsigned long quirk)
5113 {
5114         struct quirk            *qp;
5115
5116         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5117            quirk);
5118
5119         TAILQ_FOREACH(qp, &quirks, entry) {
5120                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5121                         if (!quirk)
5122                                 quirk_remove(qp);
5123                         else
5124                                 quirk_replace(qp, class, name, quirk);
5125                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5126                         return;
5127                 }
5128         }
5129         if (!quirk) {
5130                 warnx("error: setquirk: cannot find class/name combination");
5131                 return;
5132         }
5133
5134         quirk_insert(class, name, quirk);
5135         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5136 }
5137
5138 int
5139 setconfquirk(char *selector, char *value, int flags)
5140 {
5141         char                    *cp, *class, *name;
5142         int                     retval;
5143         unsigned long           quirks;
5144         if (selector == NULL)
5145                 return (0);
5146         if ((cp = strchr(selector, ':')) == NULL)
5147                 return (0);
5148         *cp = '\0';
5149         class = selector;
5150         name = cp + 1;
5151         if ((retval = parsequirks(value, &quirks)) == 0)
5152                 setquirk(class, name, quirks);
5153         return (retval);
5154 }
5155
5156 void
5157 setup_quirks(void)
5158 {
5159         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5160         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5161         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5162         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5163         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5164         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5165         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5166         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5167         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5168         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5169         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5170         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5171         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5172 }
5173
5174 /* conf file stuff */
5175 #define SWM_CONF_FILE   "scrotwm.conf"
5176
5177 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
5178           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
5179           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
5180           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
5181           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED, SWM_S_URGENT_ENABLED,
5182           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
5183           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
5184           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM,
5185           SWM_S_VERBOSE_LAYOUT, SWM_S_BAR_JUSTIFY
5186         };
5187
5188 int
5189 setconfvalue(char *selector, char *value, int flags)
5190 {
5191         int     i;
5192         char    *b;
5193
5194         switch (flags) {
5195         case SWM_S_BAR_DELAY:
5196                 bar_delay = atoi(value);
5197                 break;
5198         case SWM_S_BAR_ENABLED:
5199                 bar_enabled = atoi(value);
5200                 break;
5201         case SWM_S_BAR_BORDER_WIDTH:
5202                 bar_border_width = atoi(value);
5203                 break;
5204         case SWM_S_BAR_AT_BOTTOM:
5205                 bar_at_bottom = atoi(value);
5206                 break;
5207         case SWM_S_BAR_JUSTIFY:
5208                 if (!strcmp(value, "left"))
5209                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5210                 else if (!strcmp(value, "center"))
5211                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5212                 else if (!strcmp(value, "right"))
5213                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5214                 else
5215                         errx(1, "invalid bar_justify");
5216                 break;
5217         case SWM_S_STACK_ENABLED:
5218                 stack_enabled = atoi(value);
5219                 break;
5220         case SWM_S_CLOCK_ENABLED:
5221                 clock_enabled = atoi(value);
5222                 break;
5223         case SWM_S_CLOCK_FORMAT:
5224 #ifndef SWM_DENY_CLOCK_FORMAT
5225                 free(clock_format);
5226                 if ((clock_format = strdup(value)) == NULL)
5227                         err(1, "setconfvalue: clock_format");
5228 #endif
5229                 break;
5230         case SWM_S_CYCLE_EMPTY:
5231                 cycle_empty = atoi(value);
5232                 break;
5233         case SWM_S_CYCLE_VISIBLE:
5234                 cycle_visible = atoi(value);
5235                 break;
5236         case SWM_S_SS_ENABLED:
5237                 ss_enabled = atoi(value);
5238                 break;
5239         case SWM_S_TERM_WIDTH:
5240                 term_width = atoi(value);
5241                 break;
5242         case SWM_S_TITLE_CLASS_ENABLED:
5243                 title_class_enabled = atoi(value);
5244                 break;
5245         case SWM_S_WINDOW_NAME_ENABLED:
5246                 window_name_enabled = atoi(value);
5247                 break;
5248         case SWM_S_TITLE_NAME_ENABLED:
5249                 title_name_enabled = atoi(value);
5250                 break;
5251         case SWM_S_URGENT_ENABLED:
5252                 urgent_enabled = atoi(value);
5253                 break;
5254         case SWM_S_FOCUS_MODE:
5255                 if (!strcmp(value, "default"))
5256                         focus_mode = SWM_FOCUS_DEFAULT;
5257                 else if (!strcmp(value, "follow_cursor"))
5258                         focus_mode = SWM_FOCUS_FOLLOW;
5259                 else if (!strcmp(value, "synergy"))
5260                         focus_mode = SWM_FOCUS_SYNERGY;
5261                 else
5262                         errx(1, "focus_mode");
5263                 break;
5264         case SWM_S_DISABLE_BORDER:
5265                 disable_border = atoi(value);
5266                 break;
5267         case SWM_S_BORDER_WIDTH:
5268                 border_width = atoi(value);
5269                 break;
5270         case SWM_S_BAR_FONT:
5271                 b = bar_fonts;
5272                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5273                         err(1, "setconfvalue: asprintf: failed to allocate "
5274                                 "memory for bar_fonts.");
5275
5276                 free(b);
5277                 break;
5278         case SWM_S_BAR_ACTION:
5279                 free(bar_argv[0]);
5280                 if ((bar_argv[0] = strdup(value)) == NULL)
5281                         err(1, "setconfvalue: bar_action");
5282                 break;
5283         case SWM_S_SPAWN_TERM:
5284                 free(spawn_term[0]);
5285                 if ((spawn_term[0] = strdup(value)) == NULL)
5286                         err(1, "setconfvalue: spawn_term");
5287                 break;
5288         case SWM_S_SS_APP:
5289                 break;
5290         case SWM_S_DIALOG_RATIO:
5291                 dialog_ratio = atof(value);
5292                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5293                         dialog_ratio = .6;
5294                 break;
5295         case SWM_S_VERBOSE_LAYOUT:
5296                 verbose_layout = atoi(value);
5297                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5298                         if (verbose_layout)
5299                                 layouts[i].l_string = fancy_stacker;
5300                         else
5301                                 layouts[i].l_string = plain_stacker;
5302                 }
5303                 break;
5304         default:
5305                 return (1);
5306         }
5307         return (0);
5308 }
5309
5310 int
5311 setconfmodkey(char *selector, char *value, int flags)
5312 {
5313         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5314                 update_modkey(Mod1Mask);
5315         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5316                 update_modkey(Mod2Mask);
5317         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5318                 update_modkey(Mod3Mask);
5319         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5320                 update_modkey(Mod4Mask);
5321         else
5322                 return (1);
5323         return (0);
5324 }
5325
5326 int
5327 setconfcolor(char *selector, char *value, int flags)
5328 {
5329         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5330         return (0);
5331 }
5332
5333 int
5334 setconfregion(char *selector, char *value, int flags)
5335 {
5336         custom_region(value);
5337         return (0);
5338 }
5339
5340 int
5341 setautorun(char *selector, char *value, int flags)
5342 {
5343         int                     ws_id;
5344         char                    s[1024];
5345         char                    *ap, *sp = s;
5346         union arg               a;
5347         int                     argc = 0;
5348         long                    pid;
5349         struct pid_e            *p;
5350
5351         if (getenv("SWM_STARTED"))
5352                 return (0);
5353
5354         bzero(s, sizeof s);
5355         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5356                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5357         ws_id--;
5358         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5359                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5360
5361         /*
5362          * This is a little intricate
5363          *
5364          * If the pid already exists we simply reuse it because it means it was
5365          * used before AND not claimed by manage_window.  We get away with
5366          * altering it in the parent after INSERT because this can not be a race
5367          */
5368         a.argv = NULL;
5369         while ((ap = strsep(&sp, " \t")) != NULL) {
5370                 if (*ap == '\0')
5371                         continue;
5372                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5373                 argc++;
5374                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5375                         err(1, "setautorun: realloc");
5376                 a.argv[argc - 1] = ap;
5377         }
5378
5379         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5380                 err(1, "setautorun: realloc");
5381         a.argv[argc] = NULL;
5382
5383         if ((pid = fork()) == 0) {
5384                 spawn(ws_id, &a, 1);
5385                 /* NOTREACHED */
5386                 _exit(1);
5387         }
5388         free(a.argv);
5389
5390         /* parent */
5391         p = find_pid(pid);
5392         if (p == NULL) {
5393                 p = calloc(1, sizeof *p);
5394                 if (p == NULL)
5395                         return (1);
5396                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5397         }
5398
5399         p->pid = pid;
5400         p->ws = ws_id;
5401
5402         return (0);
5403 }
5404
5405 int
5406 setlayout(char *selector, char *value, int flags)
5407 {
5408         int                     ws_id, i, x, mg, ma, si, raise;
5409         int                     st = SWM_V_STACK;
5410         char                    s[1024];
5411         struct workspace        *ws;
5412
5413         if (getenv("SWM_STARTED"))
5414                 return (0);
5415
5416         bzero(s, sizeof s);
5417         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5418             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5419                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5420                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5421                     "<type>'");
5422         ws_id--;
5423         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
5424                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5425
5426         if (!strcasecmp(s, "vertical"))
5427                 st = SWM_V_STACK;
5428         else if (!strcasecmp(s, "horizontal"))
5429                 st = SWM_H_STACK;
5430         else if (!strcasecmp(s, "fullscreen"))
5431                 st = SWM_MAX_STACK;
5432         else
5433                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5434                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5435                     "<type>'");
5436
5437         for (i = 0; i < ScreenCount(display); i++) {
5438                 ws = (struct workspace *)&screens[i].ws;
5439                 ws[ws_id].cur_layout = &layouts[st];
5440
5441                 ws[ws_id].always_raise = raise;
5442                 if (st == SWM_MAX_STACK)
5443                         continue;
5444
5445                 /* master grow */
5446                 for (x = 0; x < abs(mg); x++) {
5447                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5448                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5449                             SWM_ARG_ID_MASTERSHRINK);
5450                         stack();
5451                 }
5452                 /* master add */
5453                 for (x = 0; x < abs(ma); x++) {
5454                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5455                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5456                             SWM_ARG_ID_MASTERDEL);
5457                         stack();
5458                 }
5459                 /* stack inc */
5460                 for (x = 0; x < abs(si); x++) {
5461                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5462                             si >= 0 ?  SWM_ARG_ID_STACKINC :
5463                             SWM_ARG_ID_STACKDEC);
5464                         stack();
5465                 }
5466         }
5467
5468         return (0);
5469 }
5470
5471 /* config options */
5472 struct config_option {
5473         char                    *optname;
5474         int                     (*func)(char*, char*, int);
5475         int                     funcflags;
5476 };
5477 struct config_option configopt[] = {
5478         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
5479         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
5480         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
5481         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
5482         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
5483         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
5484         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
5485         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
5486         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
5487         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
5488         { "keyboard_mapping",           setkeymapping,  0 },
5489         { "bind",                       setconfbinding, 0 },
5490         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
5491         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
5492         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
5493         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
5494         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
5495         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
5496         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
5497         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
5498         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
5499         { "modkey",                     setconfmodkey,  0 },
5500         { "program",                    setconfspawn,   0 },
5501         { "quirk",                      setconfquirk,   0 },
5502         { "region",                     setconfregion,  0 },
5503         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
5504         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
5505         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
5506         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
5507         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
5508         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
5509         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
5510         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
5511         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
5512         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
5513         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
5514         { "autorun",                    setautorun,     0 },
5515         { "layout",                     setlayout,      0 },
5516 };
5517
5518
5519 int
5520 conf_load(char *filename, int keymapping)
5521 {
5522         FILE                    *config;
5523         char                    *line, *cp, *optsub, *optval;
5524         size_t                  linelen, lineno = 0;
5525         int                     wordlen, i, optind;
5526         struct config_option    *opt;
5527
5528         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
5529
5530         if (filename == NULL) {
5531                 warnx("conf_load: no filename");
5532                 return (1);
5533         }
5534         if ((config = fopen(filename, "r")) == NULL) {
5535                 warn("conf_load: fopen: %s", filename);
5536                 return (1);
5537         }
5538
5539         while (!feof(config)) {
5540                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
5541                     == NULL) {
5542                         if (ferror(config))
5543                                 err(1, "%s", filename);
5544                         else
5545                                 continue;
5546                 }
5547                 cp = line;
5548                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5549                 if (cp[0] == '\0') {
5550                         /* empty line */
5551                         free(line);
5552                         continue;
5553                 }
5554                 /* get config option */
5555                 wordlen = strcspn(cp, "=[ \t\n");
5556                 if (wordlen == 0) {
5557                         warnx("%s: line %zd: no option found",
5558                             filename, lineno);
5559                         goto out;
5560                 }
5561                 optind = -1;
5562                 for (i = 0; i < LENGTH(configopt); i++) {
5563                         opt = &configopt[i];
5564                         if (!strncasecmp(cp, opt->optname, wordlen) &&
5565                             strlen(opt->optname) == wordlen) {
5566                                 optind = i;
5567                                 break;
5568                         }
5569                 }
5570                 if (optind == -1) {
5571                         warnx("%s: line %zd: unknown option %.*s",
5572                             filename, lineno, wordlen, cp);
5573                         goto out;
5574                 }
5575                 if (keymapping && strcmp(opt->optname, "bind")) {
5576                         warnx("%s: line %zd: invalid option %.*s",
5577                             filename, lineno, wordlen, cp);
5578                         goto out;
5579                 }
5580                 cp += wordlen;
5581                 cp += strspn(cp, " \t\n"); /* eat whitespace */
5582                 /* get [selector] if any */
5583                 optsub = NULL;
5584                 if (*cp == '[') {
5585                         cp++;
5586                         wordlen = strcspn(cp, "]");
5587                         if (*cp != ']') {
5588                                 if (wordlen == 0) {
5589                                         warnx("%s: line %zd: syntax error",
5590                                             filename, lineno);
5591                                         goto out;
5592                                 }
5593
5594                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
5595                                     -1) {
5596                                         warnx("%s: line %zd: unable to allocate"
5597                                             "memory for selector", filename,
5598                                             lineno);
5599                                         goto out;
5600                                 }
5601                         }
5602                         cp += wordlen;
5603                         cp += strspn(cp, "] \t\n"); /* eat trailing */
5604                 }
5605                 cp += strspn(cp, "= \t\n"); /* eat trailing */
5606                 /* get RHS value */
5607                 optval = strdup(cp);
5608                 /* call function to deal with it all */
5609                 if (configopt[optind].func(optsub, optval,
5610                     configopt[optind].funcflags) != 0)
5611                         errx(1, "%s: line %zd: invalid data for %s",
5612                             filename, lineno, configopt[optind].optname);
5613                 free(optval);
5614                 free(optsub);
5615                 free(line);
5616         }
5617
5618         fclose(config);
5619         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
5620
5621         return (0);
5622
5623 out:
5624         free(line);
5625         fclose(config);
5626         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
5627
5628         return (1);
5629 }
5630
5631 void
5632 set_child_transient(struct ws_win *win, Window *trans)
5633 {
5634         struct ws_win           *parent, *w;
5635         XWMHints                *wmh = NULL;
5636         struct swm_region       *r;
5637         struct workspace        *ws;
5638
5639         parent = find_window(win->transient);
5640         if (parent)
5641                 parent->child_trans = win;
5642         else {
5643                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
5644                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
5645
5646                 if (win->hints == NULL) {
5647                         warnx("no hints for 0x%lx", win->id);
5648                         return;
5649                 }
5650
5651                 r = root_to_region(win->wa.root);
5652                 ws = r->ws;
5653                 /* parent doen't exist in our window list */
5654                 TAILQ_FOREACH(w, &ws->winlist, entry) {
5655                         if (wmh)
5656                                 XFree(wmh);
5657
5658                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
5659                                 warnx("can't get hints for 0x%lx", w->id);
5660                                 continue;
5661                         }
5662
5663                         if (win->hints->window_group != wmh->window_group)
5664                                 continue;
5665
5666                         w->child_trans = win;
5667                         win->transient = w->id;
5668                         *trans = w->id;
5669                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
5670                             "transient to 0x%lx\n", win->transient);
5671                         break;
5672                 }
5673         }
5674
5675         if (wmh)
5676                 XFree(wmh);
5677 }
5678
5679 long
5680 window_get_pid(Window win)
5681 {
5682         Atom                    actual_type_return;
5683         int                     actual_format_return = 0;
5684         unsigned long           nitems_return = 0;
5685         unsigned long           bytes_after_return = 0;
5686         long                    *pid = NULL;
5687         long                    ret = 0;
5688         const char              *errstr;
5689         unsigned char           *prop = NULL;
5690
5691         if (XGetWindowProperty(display, win,
5692             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
5693             XA_CARDINAL, &actual_type_return, &actual_format_return,
5694             &nitems_return, &bytes_after_return,
5695             (unsigned char**)(void*)&pid) != Success)
5696                 goto tryharder;
5697         if (actual_type_return != XA_CARDINAL)
5698                 goto tryharder;
5699         if (pid == NULL)
5700                 goto tryharder;
5701
5702         ret = *pid;
5703         XFree(pid);
5704
5705         return (ret);
5706
5707 tryharder:
5708         if (XGetWindowProperty(display, win,
5709             XInternAtom(display, "_SWM_PID", False), 0, SWM_PROPLEN, False,
5710             XA_STRING, &actual_type_return, &actual_format_return,
5711             &nitems_return, &bytes_after_return, &prop) != Success)
5712                 return (0);
5713         if (actual_type_return != XA_STRING)
5714                 return (0);
5715         if (prop == NULL)
5716                 return (0);
5717
5718         ret = strtonum((const char *)prop, 0, UINT_MAX, &errstr);
5719         /* ignore error because strtonum returns 0 anyway */
5720         XFree(prop);
5721
5722         return (ret);
5723 }
5724
5725 struct ws_win *
5726 manage_window(Window id)
5727 {
5728         Window                  trans = 0;
5729         struct workspace        *ws;
5730         struct ws_win           *win, *ww;
5731         int                     format, i, ws_idx, n, border_me = 0;
5732         unsigned long           nitems, bytes;
5733         Atom                    ws_idx_atom = 0, type;
5734         Atom                    *prot = NULL, *pp;
5735         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
5736         struct swm_region       *r;
5737         long                    mask;
5738         const char              *errstr;
5739         XWindowChanges          wc;
5740         struct pid_e            *p;
5741         struct quirk            *qp;
5742
5743         if ((win = find_window(id)) != NULL)
5744                 return (win);   /* already being managed */
5745
5746         /* see if we are on the unmanaged list */
5747         if ((win = find_unmanaged_window(id)) != NULL) {
5748                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
5749                     "window: 0x%lx\n", win->id);
5750                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5751                 if (win->transient) {
5752                         set_child_transient(win, &trans);
5753                 } if (trans && (ww = find_window(trans)))
5754                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
5755                 else
5756                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
5757                 ewmh_update_actions(win);
5758                 return (win);
5759         }
5760
5761         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
5762                 err(1, "manage_window: calloc: failed to allocate memory for "
5763                     "new window");
5764
5765         win->id = id;
5766
5767         /* see if we need to override the workspace */
5768         p = find_pid(window_get_pid(id));
5769
5770         /* Get all the window data in one shot */
5771         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
5772         if (ws_idx_atom) {
5773                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
5774                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
5775         }
5776         XGetWindowAttributes(display, id, &win->wa);
5777         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
5778         win->hints = XGetWMHints(display, id);
5779         XGetTransientForHint(display, id, &trans);
5780         if (trans) {
5781                 win->transient = trans;
5782                 set_child_transient(win, &trans);
5783                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
5784                     "transient: 0x%lx\n", win->id, win->transient);
5785         }
5786
5787         /* get supported protocols */
5788         if (XGetWMProtocols(display, id, &prot, &n)) {
5789                 for (i = 0, pp = prot; i < n; i++, pp++) {
5790                         if (*pp == takefocus)
5791                                 win->take_focus = 1;
5792                         if (*pp == adelete)
5793                                 win->can_delete = 1;
5794                 }
5795                 if (prot)
5796                         XFree(prot);
5797         }
5798
5799         win->iconic = get_iconic(win);
5800
5801         /*
5802          * Figure out where to put the window. If it was previously assigned to
5803          * a workspace (either by spawn() or manually moving), and isn't
5804          * transient, * put it in the same workspace
5805          */
5806         r = root_to_region(win->wa.root);
5807         if (p) {
5808                 ws = &r->s->ws[p->ws];
5809                 TAILQ_REMOVE(&pidlist, p, entry);
5810                 free(p);
5811                 p = NULL;
5812         } else if (prop && win->transient == 0) {
5813                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
5814                 ws_idx = strtonum((const char *)prop, 0, 9, &errstr);
5815                 if (errstr) {
5816                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
5817                             errstr, prop);
5818                 }
5819                 ws = &r->s->ws[ws_idx];
5820         } else {
5821                 ws = r->ws;
5822                 /* this should launch transients in the same ws as parent */
5823                 if (id && trans)
5824                         if ((ww = find_window(trans)) != NULL)
5825                                 if (ws->r) {
5826                                         ws = ww->ws;
5827                                         if (ww->ws->r)
5828                                                 r = ww->ws->r;
5829                                         else
5830                                                 warnx("manage_window: fix this "
5831                                                     "bug mcbride");
5832                                         border_me = 1;
5833                                 }
5834         }
5835
5836         /* set up the window layout */
5837         win->id = id;
5838         win->ws = ws;
5839         win->s = r->s;  /* this never changes */
5840         if (trans && (ww = find_window(trans)))
5841                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
5842         else
5843                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
5844
5845         WIDTH(win) = win->wa.width;
5846         HEIGHT(win) = win->wa.height;
5847         X(win) = win->wa.x;
5848         Y(win) = win->wa.y;
5849         win->g_floatvalid = 0;
5850         win->floatmaxed = 0;
5851         win->ewmh_flags = 0;
5852
5853         /* Set window properties so we can remember this after reincarnation */
5854         if (ws_idx_atom && prop == NULL &&
5855             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
5856                 SWM_PROPLEN) {
5857                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
5858                     ws_idx_str);
5859                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
5860                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
5861         }
5862         if (prop)
5863                 XFree(prop);
5864
5865         ewmh_autoquirk(win);
5866
5867         if (XGetClassHint(display, win->id, &win->ch)) {
5868                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
5869                     win->ch.res_class, win->ch.res_name);
5870
5871                 /* java is retarded so treat it special */
5872                 if (strstr(win->ch.res_name, "sun-awt")) {
5873                         win->java = 1;
5874                         border_me = 1;
5875                 }
5876
5877                 TAILQ_FOREACH(qp, &quirks, entry) {
5878                         if (!strcmp(win->ch.res_class, qp->class) &&
5879                             !strcmp(win->ch.res_name, qp->name)) {
5880                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
5881                                     "class: %s, name: %s\n", win->ch.res_class,
5882                                     win->ch.res_name);
5883                                 if (qp->quirk & SWM_Q_FLOAT) {
5884                                         win->floating = 1;
5885                                         border_me = 1;
5886                                 }
5887                                 win->quirks = qp->quirk;
5888                         }
5889                 }
5890         }
5891
5892         /* alter window position if quirky */
5893         if (win->quirks & SWM_Q_ANYWHERE) {
5894                 win->manual = 1; /* don't center the quirky windows */
5895                 bzero(&wc, sizeof wc);
5896                 mask = 0;
5897                 if (bar_enabled && Y(win) < bar_height) {
5898                         Y(win) = wc.y = bar_height;
5899                         mask |= CWY;
5900                 }
5901                 if (WIDTH(win) + X(win) > WIDTH(r)) {
5902                         X(win) = wc.x = WIDTH(r) - WIDTH(win) - 2;
5903                         mask |= CWX;
5904                 }
5905                 border_me = 1;
5906         }
5907
5908         /* Reset font sizes (the bruteforce way; no default keybinding). */
5909         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
5910                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5911                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
5912                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
5913                         fake_keypress(win, XK_KP_Add, ShiftMask);
5914         }
5915
5916         ewmh_get_win_state(win);
5917         ewmh_update_actions(win);
5918         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
5919
5920         /* border me */
5921         if (border_me) {
5922                 bzero(&wc, sizeof wc);
5923                 wc.border_width = border_width;
5924                 mask = CWBorderWidth;
5925                 XConfigureWindow(display, win->id, mask, &wc);
5926         }
5927
5928         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
5929             PropertyChangeMask | StructureNotifyMask);
5930
5931         /* floaters need to be mapped if they are in the current workspace */
5932         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
5933                 XMapRaised(display, win->id);
5934
5935         return (win);
5936 }
5937
5938 void
5939 free_window(struct ws_win *win)
5940 {
5941         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
5942
5943         if (win == NULL)
5944                 return;
5945
5946         /* needed for restart wm */
5947         set_win_state(win, WithdrawnState);
5948
5949         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5950
5951         if (win->ch.res_class)
5952                 XFree(win->ch.res_class);
5953         if (win->ch.res_name)
5954                 XFree(win->ch.res_name);
5955
5956         kill_refs(win);
5957
5958         /* paint memory */
5959         memset(win, 0xff, sizeof *win); /* XXX kill later */
5960
5961         free(win);
5962 }
5963
5964 void
5965 unmanage_window(struct ws_win *win)
5966 {
5967         struct ws_win           *parent;
5968
5969         if (win == NULL)
5970                 return;
5971
5972         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
5973
5974         if (win->transient) {
5975                 parent = find_window(win->transient);
5976                 if (parent)
5977                         parent->child_trans = NULL;
5978         }
5979
5980         /* focus on root just in case */
5981         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5982
5983         focus_prev(win);
5984
5985         if (win->hints) {
5986                 XFree(win->hints);
5987                 win->hints = NULL;
5988         }
5989
5990         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5991         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5992
5993         kill_refs(win);
5994 }
5995
5996 void
5997 focus_magic(struct ws_win *win)
5998 {
5999         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6000
6001         if (win == NULL)
6002                 return;
6003
6004         if (win->child_trans) {
6005                 /* win = parent & has a transient so focus on that */
6006                 if (win->java) {
6007                         focus_win(win->child_trans);
6008                         if (win->child_trans->take_focus)
6009                                 client_msg(win, takefocus);
6010                 } else {
6011                         /* make sure transient hasn't dissapeared */
6012                         if (validate_win(win->child_trans) == 0) {
6013                                 focus_win(win->child_trans);
6014                                 if (win->child_trans->take_focus)
6015                                         client_msg(win->child_trans, takefocus);
6016                         } else {
6017                                 win->child_trans = NULL;
6018                                 focus_win(win);
6019                                 if (win->take_focus)
6020                                         client_msg(win, takefocus);
6021                         }
6022                 }
6023         } else {
6024                 /* regular focus */
6025                 focus_win(win);
6026                 if (win->take_focus)
6027                         client_msg(win, takefocus);
6028         }
6029 }
6030
6031 void
6032 expose(XEvent *e)
6033 {
6034         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6035 }
6036
6037 void
6038 keypress(XEvent *e)
6039 {
6040         KeySym                  keysym;
6041         XKeyEvent               *ev = &e->xkey;
6042         struct key              *kp;
6043
6044         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
6045         TAILQ_FOREACH(kp, &keys, entry)
6046                 if (keysym == kp->keysym
6047                     && CLEANMASK(kp->mod) == CLEANMASK(ev->state)
6048                     && keyfuncs[kp->funcid].func) {
6049                         if (kp->funcid == kf_spawn_custom)
6050                                 spawn_custom(
6051                                     root_to_region(ev->root),
6052                                     &(keyfuncs[kp->funcid].args),
6053                                     kp->spawn_name
6054                                     );
6055                         else
6056                                 keyfuncs[kp->funcid].func(
6057                                     root_to_region(ev->root),
6058                                     &(keyfuncs[kp->funcid].args)
6059                                     );
6060                 }
6061 }
6062
6063 void
6064 buttonpress(XEvent *e)
6065 {
6066         struct ws_win           *win;
6067         int                     i, action;
6068         XButtonPressedEvent     *ev = &e->xbutton;
6069
6070         if ((win = find_window(ev->window)) == NULL)
6071                 return;
6072
6073         focus_magic(win);
6074         action = client_click;
6075
6076         for (i = 0; i < LENGTH(buttons); i++)
6077                 if (action == buttons[i].action && buttons[i].func &&
6078                     buttons[i].button == ev->button &&
6079                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6080                         buttons[i].func(win, &buttons[i].args);
6081 }
6082
6083 void
6084 configurerequest(XEvent *e)
6085 {
6086         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6087         struct ws_win           *win;
6088         int                     new = 0;
6089         XWindowChanges          wc;
6090
6091         if ((win = find_window(ev->window)) == NULL)
6092                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6093                         new = 1;
6094
6095         DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%lx, new: %s\n",
6096             ev->window, YESNO(new));
6097
6098         if (new) {
6099                 bzero(&wc, sizeof wc);
6100                 wc.x = ev->x;
6101                 wc.y = ev->y;
6102                 wc.width = ev->width;
6103                 wc.height = ev->height;
6104                 wc.border_width = ev->border_width;
6105                 wc.sibling = ev->above;
6106                 wc.stack_mode = ev->detail;
6107                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6108         } else {
6109                 config_win(win, ev);
6110         }
6111 }
6112
6113 void
6114 configurenotify(XEvent *e)
6115 {
6116         struct ws_win           *win;
6117
6118         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6119             e->xconfigure.window);
6120
6121         win = find_window(e->xconfigure.window);
6122         if (win) {
6123                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6124                 adjust_font(win);
6125                 if (font_adjusted)
6126                         stack();
6127                 if (focus_mode == SWM_FOCUS_DEFAULT)
6128                         drain_enter_notify();
6129         }
6130 }
6131
6132 void
6133 destroynotify(XEvent *e)
6134 {
6135         struct ws_win           *win;
6136         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6137
6138         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6139
6140         if ((win = find_window(ev->window)) == NULL) {
6141                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6142                         return;
6143                 free_window(win);
6144                 return;
6145         }
6146
6147         /* make sure we focus on something */
6148         win->floating = 0;
6149
6150         unmanage_window(win);
6151         stack();
6152         if (focus_mode == SWM_FOCUS_DEFAULT)
6153                 drain_enter_notify();
6154         free_window(win);
6155 }
6156
6157 void
6158 enternotify(XEvent *e)
6159 {
6160         XCrossingEvent          *ev = &e->xcrossing;
6161         XEvent                  cne;
6162         struct ws_win           *win;
6163 #if 0
6164         struct ws_win           *w;
6165         Window                  focus_return;
6166         int                     revert_to_return;
6167 #endif
6168         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6169             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6170             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6171             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6172
6173         if (ev->mode != NotifyNormal) {
6174                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6175                     "cursor grab.\n");
6176                 return;
6177         }
6178
6179         switch (focus_mode) {
6180         case SWM_FOCUS_DEFAULT:
6181                 break;
6182         case SWM_FOCUS_FOLLOW:
6183                 break;
6184         case SWM_FOCUS_SYNERGY:
6185 #if 0
6186         /*
6187          * all these checks need to be in this order because the
6188          * XCheckTypedWindowEvent relies on weeding out the previous events
6189          *
6190          * making this code an option would enable a follow mouse for focus
6191          * feature
6192          */
6193
6194         /*
6195          * state is set when we are switching workspaces and focus is set when
6196          * the window or a subwindow already has focus (occurs during restart).
6197          *
6198          * Only honor the focus flag if last_focus_event is not FocusOut,
6199          * this allows scrotwm to continue to control focus when another
6200          * program is also playing with it.
6201          */
6202         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6203                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6204                 return;
6205         }
6206
6207         /*
6208          * happens when a window is created or destroyed and the border
6209          * crosses the mouse pointer and when switching ws
6210          *
6211          * we need the subwindow test to see if we came from root in order
6212          * to give focus to floaters
6213          */
6214         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6215             ev->subwindow == 0) {
6216                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6217                 return;
6218         }
6219
6220         /* this window already has focus */
6221         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6222                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6223                 return;
6224         }
6225
6226         /* this window is being deleted or moved to another ws */
6227         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6228             &cne) == True) {
6229                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6230                 XPutBackEvent(display, &cne);
6231                 return;
6232         }
6233
6234         if ((win = find_window(ev->window)) == NULL) {
6235                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6236                 return;
6237         }
6238
6239         /*
6240          * In fullstack kill all enters unless they come from a different ws
6241          * (i.e. another region) or focus has been grabbed externally.
6242          */
6243         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6244             last_focus_event != FocusOut) {
6245                 XGetInputFocus(display, &focus_return, &revert_to_return);
6246                 if ((w = find_window(focus_return)) == NULL ||
6247                     w->ws == win->ws) {
6248                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6249                         return;
6250                 }
6251         }
6252 #endif
6253                 break;
6254         }
6255
6256         if ((win = find_window(ev->window)) == NULL) {
6257                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6258                 return;
6259         }
6260
6261         /*
6262          * if we have more enternotifies let them handle it in due time
6263          */
6264         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6265                 DNPRINTF(SWM_D_EVENT,
6266                     "ignoring enternotify: got more enternotify\n");
6267                 XPutBackEvent(display, &cne);
6268                 return;
6269         }
6270
6271         focus_magic(win);
6272 }
6273
6274 /* lets us use one switch statement for arbitrary mode/detail combinations */
6275 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6276
6277 void
6278 focusevent(XEvent *e)
6279 {
6280 #if 0
6281         struct ws_win           *win;
6282         u_int32_t               mode_detail;
6283         XFocusChangeEvent       *ev = &e->xfocus;
6284
6285         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6286             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6287             ev->window, ev->mode, ev->detail);
6288
6289         if (last_focus_event == ev->type) {
6290                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6291                 return;
6292         }
6293
6294         last_focus_event = ev->type;
6295         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6296
6297         switch (mode_detail) {
6298         /* synergy client focus operations */
6299         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6300         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6301
6302         /* synergy server focus operations */
6303         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6304
6305         /* Entering applications like rdesktop that mangle the pointer */
6306         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6307
6308                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6309                         XSetWindowBorder(display, win->id,
6310                             win->ws->r->s->c[ev->type == FocusIn ?
6311                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6312                 break;
6313         default:
6314                 warnx("ignoring focusevent");
6315                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6316                 break;
6317         }
6318 #endif
6319 }
6320
6321 void
6322 mapnotify(XEvent *e)
6323 {
6324         struct ws_win           *win;
6325         XMapEvent               *ev = &e->xmap;
6326
6327         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6328
6329         win = manage_window(ev->window);
6330         if (win)
6331                 set_win_state(win, NormalState);
6332 }
6333
6334 void
6335 mappingnotify(XEvent *e)
6336 {
6337         XMappingEvent           *ev = &e->xmapping;
6338
6339         XRefreshKeyboardMapping(ev);
6340         if (ev->request == MappingKeyboard)
6341                 grabkeys();
6342 }
6343
6344 void
6345 maprequest(XEvent *e)
6346 {
6347         struct ws_win           *win;
6348         struct swm_region       *r;
6349         XWindowAttributes       wa;
6350         XMapRequestEvent        *ev = &e->xmaprequest;
6351
6352         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6353             e->xmaprequest.window);
6354
6355         if (!XGetWindowAttributes(display, ev->window, &wa))
6356                 return;
6357         if (wa.override_redirect)
6358                 return;
6359
6360         win = manage_window(e->xmaprequest.window);
6361         if (win == NULL)
6362                 return; /* can't happen */
6363
6364         stack();
6365
6366         /* make new win focused */
6367         r = root_to_region(win->wa.root);
6368         if (win->ws == r->ws)
6369                 focus_magic(win);
6370 }
6371
6372 void
6373 propertynotify(XEvent *e)
6374 {
6375         struct ws_win           *win;
6376         XPropertyEvent          *ev = &e->xproperty;
6377 #ifdef SWM_DEBUG
6378         char                    *name;
6379         name = XGetAtomName(display, ev->atom);
6380         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6381             ev->window, name);
6382         XFree(name);
6383 #endif
6384
6385         win = find_window(ev->window);
6386         if (win == NULL)
6387                 return;
6388
6389         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6390                 update_iconic(win, 0);
6391                 XMapRaised(display, win->id);
6392                 stack();
6393                 focus_win(win);
6394                 return;
6395         }
6396
6397         switch (ev->atom) {
6398 #if 0
6399         case XA_WM_NORMAL_HINTS:
6400                 long            mask;
6401                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
6402                 warnx("normal hints: flag 0x%x", win->sh.flags);
6403                 if (win->sh.flags & PMinSize) {
6404                         WIDTH(win) = win->sh.min_width;
6405                         HEIGHT(win) = win->sh.min_height;
6406                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
6407                 }
6408                 XMoveResizeWindow(display, win->id,
6409                     X(win), Y(win), WIDTH(win), HEIGHT(win));
6410 #endif
6411         case XA_WM_CLASS:
6412                 if (title_name_enabled || title_class_enabled)
6413                         bar_update();
6414                 break;
6415         case XA_WM_NAME:
6416                 if (window_name_enabled)
6417                         bar_update();
6418                 break;
6419         default:
6420                 break;
6421         }
6422 }
6423
6424 void
6425 unmapnotify(XEvent *e)
6426 {
6427         struct ws_win           *win;
6428
6429         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
6430
6431         /* determine if we need to help unmanage this window */
6432         win = find_window(e->xunmap.window);
6433         if (win == NULL)
6434                 return;
6435
6436         if (getstate(e->xunmap.window) == NormalState) {
6437                 unmanage_window(win);
6438                 stack();
6439
6440                 /* giant hack for apps that don't destroy transient windows */
6441                 /* eat a bunch of events to prevent remanaging the window */
6442                 XEvent                  cne;
6443                 while (XCheckWindowEvent(display, e->xunmap.window,
6444                     EnterWindowMask, &cne))
6445                         ;
6446                 while (XCheckWindowEvent(display, e->xunmap.window,
6447                     StructureNotifyMask, &cne))
6448                         ;
6449                 while (XCheckWindowEvent(display, e->xunmap.window,
6450                     SubstructureNotifyMask, &cne))
6451                         ;
6452                 /* resend unmap because we ated it */
6453                 XUnmapWindow(display, e->xunmap.window);
6454         }
6455
6456         if (focus_mode == SWM_FOCUS_DEFAULT)
6457                 drain_enter_notify();
6458 }
6459
6460 void
6461 visibilitynotify(XEvent *e)
6462 {
6463         int                     i;
6464         struct swm_region       *r;
6465
6466         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
6467             e->xvisibility.window);
6468         if (e->xvisibility.state == VisibilityUnobscured)
6469                 for (i = 0; i < ScreenCount(display); i++)
6470                         TAILQ_FOREACH(r, &screens[i].rl, entry)
6471                                 if (e->xvisibility.window == r->bar_window)
6472                                         bar_update();
6473 }
6474
6475 void
6476 clientmessage(XEvent *e)
6477 {
6478         XClientMessageEvent *ev;
6479         struct ws_win *win;
6480
6481         ev = &e->xclient;
6482
6483         win = find_window(ev->window);
6484         if (win == NULL)
6485                 return;
6486
6487         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
6488             ev->window, ev->message_type);
6489
6490         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
6491                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
6492                 focus_win(win);
6493         }
6494         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
6495                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
6496                 if (win->can_delete)
6497                         client_msg(win, adelete);
6498                 else
6499                         XKillClient(display, win->id);
6500         }
6501         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
6502                 DNPRINTF(SWM_D_EVENT,
6503                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
6504                 if (win->floating) {
6505                         if (ev->data.l[0] & (1<<8)) /* x */
6506                                 X(win) = ev->data.l[1];
6507                         if (ev->data.l[0] & (1<<9)) /* y */
6508                                 Y(win) = ev->data.l[2];
6509                         if (ev->data.l[0] & (1<<10)) /* width */
6510                                 WIDTH(win) = ev->data.l[3];
6511                         if (ev->data.l[0] & (1<<11)) /* height */
6512                                 HEIGHT(win) = ev->data.l[4];
6513
6514                         update_window(win);
6515                 }
6516                 else {
6517                         /* TODO: Change stack sizes */
6518                         /* notify no change was made. */
6519                         config_win(win, NULL);
6520                 }
6521         }
6522         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
6523                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
6524                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
6525                 if (ev->data.l[2])
6526                         ewmh_update_win_state(win, ev->data.l[2],
6527                             ev->data.l[0]);
6528
6529                 stack();
6530         }
6531 }
6532
6533 int
6534 xerror_start(Display *d, XErrorEvent *ee)
6535 {
6536         other_wm = 1;
6537         return (-1);
6538 }
6539
6540 int
6541 xerror(Display *d, XErrorEvent *ee)
6542 {
6543         /* warnx("error: %p %p", display, ee); */
6544         return (-1);
6545 }
6546
6547 int
6548 active_wm(void)
6549 {
6550         other_wm = 0;
6551         xerrorxlib = XSetErrorHandler(xerror_start);
6552
6553         /* this causes an error if some other window manager is running */
6554         XSelectInput(display, DefaultRootWindow(display),
6555             SubstructureRedirectMask);
6556         XSync(display, False);
6557         if (other_wm)
6558                 return (1);
6559
6560         XSetErrorHandler(xerror);
6561         XSync(display, False);
6562         return (0);
6563 }
6564
6565 void
6566 new_region(struct swm_screen *s, int x, int y, int w, int h)
6567 {
6568         struct swm_region       *r, *n;
6569         struct workspace        *ws = NULL;
6570         int                     i;
6571
6572         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
6573              s->idx, w, h, x, y);
6574
6575         /* remove any conflicting regions */
6576         n = TAILQ_FIRST(&s->rl);
6577         while (n) {
6578                 r = n;
6579                 n = TAILQ_NEXT(r, entry);
6580                 if (X(r) < (x + w) &&
6581                     (X(r) + WIDTH(r)) > x &&
6582                     Y(r) < (y + h) &&
6583                     (Y(r) + HEIGHT(r)) > y) {
6584                         if (r->ws->r != NULL)
6585                                 r->ws->old_r = r->ws->r;
6586                         r->ws->r = NULL;
6587                         XDestroyWindow(display, r->bar_window);
6588                         TAILQ_REMOVE(&s->rl, r, entry);
6589                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
6590                 }
6591         }
6592
6593         /* search old regions for one to reuse */
6594
6595         /* size + location match */
6596         TAILQ_FOREACH(r, &s->orl, entry)
6597                 if (X(r) == x && Y(r) == y &&
6598                     HEIGHT(r) == h && WIDTH(r) == w)
6599                         break;
6600
6601         /* size match */
6602         TAILQ_FOREACH(r, &s->orl, entry)
6603                 if (HEIGHT(r) == h && WIDTH(r) == w)
6604                         break;
6605
6606         if (r != NULL) {
6607                 TAILQ_REMOVE(&s->orl, r, entry);
6608                 /* try to use old region's workspace */
6609                 if (r->ws->r == NULL)
6610                         ws = r->ws;
6611         } else
6612                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
6613                         err(1, "new_region: calloc: failed to allocate memory "
6614                             "for screen");
6615
6616         /* if we don't have a workspace already, find one */
6617         if (ws == NULL) {
6618                 for (i = 0; i < SWM_WS_MAX; i++)
6619                         if (s->ws[i].r == NULL) {
6620                                 ws = &s->ws[i];
6621                                 break;
6622                         }
6623         }
6624
6625         if (ws == NULL)
6626                 errx(1, "new_region: no free workspaces");
6627
6628         X(r) = x;
6629         Y(r) = y;
6630         WIDTH(r) = w;
6631         HEIGHT(r) = h;
6632         r->s = s;
6633         r->ws = ws;
6634         r->ws_prior = NULL;
6635         ws->r = r;
6636         outputs++;
6637         TAILQ_INSERT_TAIL(&s->rl, r, entry);
6638 }
6639
6640 void
6641 scan_xrandr(int i)
6642 {
6643 #ifdef SWM_XRR_HAS_CRTC
6644         XRRCrtcInfo             *ci;
6645         XRRScreenResources      *sr;
6646         int                     c;
6647         int                     ncrtc = 0;
6648 #endif /* SWM_XRR_HAS_CRTC */
6649         struct swm_region       *r;
6650
6651
6652         if (i >= ScreenCount(display))
6653                 errx(1, "scan_xrandr: invalid screen");
6654
6655         /* remove any old regions */
6656         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
6657                 r->ws->old_r = r->ws->r = NULL;
6658                 XDestroyWindow(display, r->bar_window);
6659                 TAILQ_REMOVE(&screens[i].rl, r, entry);
6660                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
6661         }
6662         outputs = 0;
6663
6664         /* map virtual screens onto physical screens */
6665 #ifdef SWM_XRR_HAS_CRTC
6666         if (xrandr_support) {
6667                 sr = XRRGetScreenResources(display, screens[i].root);
6668                 if (sr == NULL)
6669                         new_region(&screens[i], 0, 0,
6670                             DisplayWidth(display, i),
6671                             DisplayHeight(display, i));
6672                 else
6673                         ncrtc = sr->ncrtc;
6674
6675                 for (c = 0, ci = NULL; c < ncrtc; c++) {
6676                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
6677                         if (ci->noutput == 0)
6678                                 continue;
6679
6680                         if (ci != NULL && ci->mode == None)
6681                                 new_region(&screens[i], 0, 0,
6682                                     DisplayWidth(display, i),
6683                                     DisplayHeight(display, i));
6684                         else
6685                                 new_region(&screens[i],
6686                                     ci->x, ci->y, ci->width, ci->height);
6687                 }
6688                 if (ci)
6689                         XRRFreeCrtcInfo(ci);
6690                 XRRFreeScreenResources(sr);
6691         } else
6692 #endif /* SWM_XRR_HAS_CRTC */
6693         {
6694                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
6695                     DisplayHeight(display, i));
6696         }
6697 }
6698
6699 void
6700 screenchange(XEvent *e) {
6701         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
6702         struct swm_region               *r;
6703         int                             i;
6704
6705         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
6706
6707         if (!XRRUpdateConfiguration(e))
6708                 return;
6709
6710         /* silly event doesn't include the screen index */
6711         for (i = 0; i < ScreenCount(display); i++)
6712                 if (screens[i].root == xe->root)
6713                         break;
6714         if (i >= ScreenCount(display))
6715                 errx(1, "screenchange: screen not found");
6716
6717         /* brute force for now, just re-enumerate the regions */
6718         scan_xrandr(i);
6719
6720         /* add bars to all regions */
6721         for (i = 0; i < ScreenCount(display); i++)
6722                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6723                         bar_setup(r);
6724         stack();
6725         if (focus_mode == SWM_FOCUS_DEFAULT)
6726                 drain_enter_notify();
6727 }
6728
6729 void
6730 grab_windows(void)
6731 {
6732         Window                  d1, d2, *wins = NULL;
6733         XWindowAttributes       wa;
6734         unsigned int            no;
6735         int                     i, j;
6736         long                    state, manage;
6737
6738         for (i = 0; i < ScreenCount(display); i++) {
6739                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
6740                         continue;
6741
6742                 /* attach windows to a region */
6743                 /* normal windows */
6744                 for (j = 0; j < no; j++) {
6745                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6746                             wa.override_redirect ||
6747                             XGetTransientForHint(display, wins[j], &d1))
6748                                 continue;
6749
6750                         state = getstate(wins[j]);
6751                         manage = state == IconicState;
6752                         if (wa.map_state == IsViewable || manage)
6753                                 manage_window(wins[j]);
6754                 }
6755                 /* transient windows */
6756                 for (j = 0; j < no; j++) {
6757                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
6758                             wa.override_redirect)
6759                                 continue;
6760
6761                         state = getstate(wins[j]);
6762                         manage = state == IconicState;
6763                         if (XGetTransientForHint(display, wins[j], &d1) &&
6764                             manage)
6765                                 manage_window(wins[j]);
6766                 }
6767                 if (wins) {
6768                         XFree(wins);
6769                         wins = NULL;
6770                 }
6771         }
6772 }
6773
6774 void
6775 setup_screens(void)
6776 {
6777         int                     i, j, k;
6778         int                     errorbase, major, minor;
6779         struct workspace        *ws;
6780         XGCValues               gcv;
6781
6782         if ((screens = calloc(ScreenCount(display),
6783              sizeof(struct swm_screen))) == NULL)
6784                 err(1, "setup_screens: calloc: failed to allocate memory for "
6785                     "screens");
6786
6787         /* initial Xrandr setup */
6788         xrandr_support = XRRQueryExtension(display,
6789             &xrandr_eventbase, &errorbase);
6790         if (xrandr_support)
6791                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
6792                         xrandr_support = 0;
6793
6794         /* map physical screens */
6795         for (i = 0; i < ScreenCount(display); i++) {
6796                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
6797                 screens[i].idx = i;
6798                 TAILQ_INIT(&screens[i].rl);
6799                 TAILQ_INIT(&screens[i].orl);
6800                 screens[i].root = RootWindow(display, i);
6801
6802                 /* set default colors */
6803                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
6804                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
6805                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
6806                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
6807                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
6808
6809                 /* create graphics context on screen with default font color */
6810                 screens[i].bar_gc = XCreateGC(display, screens[i].root, 0,
6811                     &gcv);
6812
6813                 XSetForeground(display, screens[i].bar_gc,
6814                     screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6815
6816                 /* set default cursor */
6817                 XDefineCursor(display, screens[i].root,
6818                     XCreateFontCursor(display, XC_left_ptr));
6819
6820                 /* init all workspaces */
6821                 /* XXX these should be dynamically allocated too */
6822                 for (j = 0; j < SWM_WS_MAX; j++) {
6823                         ws = &screens[i].ws[j];
6824                         ws->idx = j;
6825                         ws->name = NULL;
6826                         ws->focus = NULL;
6827                         ws->r = NULL;
6828                         ws->old_r = NULL;
6829                         TAILQ_INIT(&ws->winlist);
6830                         TAILQ_INIT(&ws->unmanagedlist);
6831
6832                         for (k = 0; layouts[k].l_stack != NULL; k++)
6833                                 if (layouts[k].l_config != NULL)
6834                                         layouts[k].l_config(ws,
6835                                             SWM_ARG_ID_STACKINIT);
6836                         ws->cur_layout = &layouts[0];
6837                         ws->cur_layout->l_string(ws);
6838                 }
6839
6840                 scan_xrandr(i);
6841
6842                 if (xrandr_support)
6843                         XRRSelectInput(display, screens[i].root,
6844                             RRScreenChangeNotifyMask);
6845         }
6846 }
6847
6848 void
6849 setup_globals(void)
6850 {
6851         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
6852                 err(1, "setup_globals: strdup: failed to allocate memory.");
6853
6854         if ((spawn_term[0] = strdup("xterm")) == NULL)
6855                 err(1, "setup_globals: strdup: failed to allocate memory.");
6856
6857         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
6858                 err(1, "setup_globals: strdup: failed to allocate memory.");
6859 }
6860
6861 void
6862 workaround(void)
6863 {
6864         int                     i;
6865         Atom                    netwmcheck, netwmname, utf8_string;
6866         Window                  root, win;
6867
6868         /* work around sun jdk bugs, code from wmname */
6869         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
6870         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6871         utf8_string = XInternAtom(display, "UTF8_STRING", False);
6872         for (i = 0; i < ScreenCount(display); i++) {
6873                 root = screens[i].root;
6874                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
6875                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
6876                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
6877
6878                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
6879                     PropModeReplace, (unsigned char *)&win,1);
6880                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
6881                     PropModeReplace, (unsigned char *)&win,1);
6882                 XChangeProperty(display, win, netwmname, utf8_string, 8,
6883                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
6884         }
6885 }
6886
6887 int
6888 main(int argc, char *argv[])
6889 {
6890         struct swm_region       *r, *rr;
6891         struct ws_win           *winfocus = NULL;
6892         struct timeval          tv;
6893         union arg               a;
6894         char                    conf[PATH_MAX], *cfile = NULL;
6895         struct stat             sb;
6896         XEvent                  e;
6897         int                     xfd, i;
6898         fd_set                  rd;
6899         struct sigaction        sact;
6900
6901         start_argv = argv;
6902         warnx("Welcome to scrotwm V%s Build: %s", SCROTWM_VERSION, buildstr);
6903         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
6904             !XSupportsLocale())
6905                 warnx("no locale support");
6906
6907         if (!X_HAVE_UTF8_STRING)
6908                 warnx("no UTF-8 support");
6909
6910         if (!(display = XOpenDisplay(0)))
6911                 errx(1, "can not open display");
6912
6913         if (active_wm())
6914                 errx(1, "other wm running");
6915
6916         /* handle some signals */
6917         bzero(&sact, sizeof(sact));
6918         sigemptyset(&sact.sa_mask);
6919         sact.sa_flags = 0;
6920         sact.sa_handler = sighdlr;
6921         sigaction(SIGINT, &sact, NULL);
6922         sigaction(SIGQUIT, &sact, NULL);
6923         sigaction(SIGTERM, &sact, NULL);
6924         sigaction(SIGHUP, &sact, NULL);
6925
6926         sact.sa_handler = sighdlr;
6927         sact.sa_flags = SA_NOCLDSTOP;
6928         sigaction(SIGCHLD, &sact, NULL);
6929
6930         astate = XInternAtom(display, "WM_STATE", False);
6931         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
6932         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
6933         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
6934         a_wmname = XInternAtom(display, "WM_NAME", False);
6935         a_netwmname = XInternAtom(display, "_NET_WM_NAME", False);
6936         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
6937         a_string = XInternAtom(display, "STRING", False);
6938         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
6939
6940         /* look for local and global conf file */
6941         pwd = getpwuid(getuid());
6942         if (pwd == NULL)
6943                 errx(1, "invalid user: %d", getuid());
6944
6945         setup_globals();
6946         setup_screens();
6947         setup_keys();
6948         setup_quirks();
6949         setup_spawn();
6950
6951         /* load config */
6952         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
6953         if (stat(conf, &sb) != -1) {
6954                 if (S_ISREG(sb.st_mode))
6955                         cfile = conf;
6956         } else {
6957                 /* try global conf file */
6958                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
6959                 if (!stat(conf, &sb))
6960                         if (S_ISREG(sb.st_mode))
6961                                 cfile = conf;
6962         }
6963
6964         /* load conf (if any) and refresh font color in bar graphics contexts */
6965         if (cfile && conf_load(cfile, SWM_CONF_DEFAULT) == 0)
6966                 for (i = 0; i < ScreenCount(display); ++i)
6967                         XSetForeground(display, screens[i].bar_gc,
6968                             screens[i].c[SWM_S_COLOR_BAR_FONT].color);
6969
6970         setup_ewmh();
6971         /* set some values to work around bad programs */
6972         workaround();
6973         /* grab existing windows (before we build the bars) */
6974         grab_windows();
6975
6976         if (getenv("SWM_STARTED") == NULL)
6977                 setenv("SWM_STARTED", "YES", 1);
6978
6979         /* setup all bars */
6980         for (i = 0; i < ScreenCount(display); i++)
6981                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6982                         if (winfocus == NULL)
6983                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6984                         bar_setup(r);
6985                 }
6986
6987         unfocus_all();
6988
6989         grabkeys();
6990         stack();
6991         if (focus_mode == SWM_FOCUS_DEFAULT)
6992                 drain_enter_notify();
6993
6994         xfd = ConnectionNumber(display);
6995         while (running) {
6996                 while (XPending(display)) {
6997                         XNextEvent(display, &e);
6998                         if (running == 0)
6999                                 goto done;
7000                         if (e.type < LASTEvent) {
7001                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7002                                     "window: 0x%lx, type: %s (%d), %d remaining"
7003                                     "\n", YESNO(handler[e.type]),
7004                                     e.xany.window, geteventname(&e),
7005                                     e.type, QLength(display));
7006
7007                                 if (handler[e.type])
7008                                         handler[e.type](&e);
7009                         } else {
7010                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7011                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7012                                     xrandr_geteventname(&e), e.type);
7013
7014                                 switch (e.type - xrandr_eventbase) {
7015                                 case RRScreenChangeNotify:
7016                                         screenchange(&e);
7017                                         break;
7018                                 default:
7019                                         break;
7020                                 }
7021                         }
7022                 }
7023
7024                 /* if we are being restarted go focus on first window */
7025                 if (winfocus) {
7026                         rr = winfocus->ws->r;
7027                         if (rr == NULL) {
7028                                 /* not a visible window */
7029                                 winfocus = NULL;
7030                                 continue;
7031                         }
7032                         /* move pointer to first screen if multi screen */
7033                         if (ScreenCount(display) > 1 || outputs > 1)
7034                                 XWarpPointer(display, None, rr->s[0].root,
7035                                     0, 0, 0, 0, X(rr),
7036                                     Y(rr) + (bar_enabled ? bar_height : 0));
7037
7038                         a.id = SWM_ARG_ID_FOCUSCUR;
7039                         focus(rr, &a);
7040                         winfocus = NULL;
7041                         continue;
7042                 }
7043
7044                 FD_ZERO(&rd);
7045                 FD_SET(xfd, &rd);
7046                 tv.tv_sec = 1;
7047                 tv.tv_usec = 0;
7048                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7049                         if (errno != EINTR)
7050                                 DNPRINTF(SWM_D_MISC, "select failed");
7051                 if (restart_wm == 1)
7052                         restart(NULL, NULL);
7053                 if (search_resp == 1)
7054                         search_do_resp();
7055                 if (running == 0)
7056                         goto done;
7057                 if (bar_alarm) {
7058                         bar_alarm = 0;
7059                         bar_update();
7060                 }
7061         }
7062 done:
7063         teardown_ewmh();
7064         bar_extra_stop();
7065
7066         for (i = 0; i < ScreenCount(display); ++i)
7067                 if (screens[i].bar_gc != NULL)
7068                         XFreeGC(display, screens[i].bar_gc);
7069
7070         XFreeFontSet(display, bar_fs);
7071         XCloseDisplay(display);
7072
7073         return (0);
7074 }