spectrwm.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  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <paths.h>
  70 #include <ctype.h>
  71
  72 #include <sys/types.h>
  73 #include <sys/time.h>
  74 #include <sys/stat.h>
  75 #include <sys/wait.h>
  76 #include <sys/queue.h>
  77 #include <sys/param.h>
  78 #include <sys/select.h>
  79 #if defined(__linux__)
  80 #include "tree.h"
  81 #elif defined(__OpenBSD__)
  82 #include <sys/tree.h>
  83 #elif defined(__FreeBSD__)
  84 #include <sys/tree.h>
  85 #else
  86 #include "tree.h"
  87 #endif
  88
  89 #include <X11/cursorfont.h>
  90 #include <X11/keysym.h>
  91 #include <X11/XKBlib.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/Xlib-xcb.h>
  94 #include <xcb/randr.h>
  95 #include <xcb/xcb_icccm.h>
  96 #include <xcb/xcb_keysyms.h>
  97 #include <X11/Xproto.h>
  98 #include <X11/Xutil.h>
  99 #include <X11/extensions/Xrandr.h>
 100 #include <X11/extensions/XTest.h>
 101
 102 #ifdef __OSX__
 103 #include <osx.h>
 104 #endif
 105
 106 #include "version.h"
 107
 108 #ifdef SPECTRWM_BUILDSTR
 109 static const char       *buildstr = SPECTRWM_BUILDSTR;
 110 #else
 111 static const char       *buildstr = SPECTRWM_VERSION;
 112 #endif
 113
 114 #if RANDR_MAJOR < 1
 115 #  error XRandR versions less than 1.0 are not supported
 116 #endif
 117
 118 #if RANDR_MAJOR >= 1
 119 #if RANDR_MINOR >= 2
 120 #define SWM_XRR_HAS_CRTC
 121 #endif
 122 #endif
 123
 124 /*#define SWM_DEBUG*/
 125 #ifdef SWM_DEBUG
 126 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 127 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 128 #define SWM_D_MISC              0x0001
 129 #define SWM_D_EVENT             0x0002
 130 #define SWM_D_WS                0x0004
 131 #define SWM_D_FOCUS             0x0008
 132 #define SWM_D_MOVE              0x0010
 133 #define SWM_D_STACK             0x0020
 134 #define SWM_D_MOUSE             0x0040
 135 #define SWM_D_PROP              0x0080
 136 #define SWM_D_CLASS             0x0100
 137 #define SWM_D_KEY               0x0200
 138 #define SWM_D_QUIRK             0x0400
 139 #define SWM_D_SPAWN             0x0800
 140 #define SWM_D_EVENTQ            0x1000
 141 #define SWM_D_CONF              0x2000
 142 #define SWM_D_BAR               0x4000
 143
 144 u_int32_t               swm_debug = 0
 145                             | SWM_D_MISC
 146                             | SWM_D_EVENT
 147                             | SWM_D_WS
 148                             | SWM_D_FOCUS
 149                             | SWM_D_MOVE
 150                             | SWM_D_STACK
 151                             | SWM_D_MOUSE
 152                             | SWM_D_PROP
 153                             | SWM_D_CLASS
 154                             | SWM_D_KEY
 155                             | SWM_D_QUIRK
 156                             | SWM_D_SPAWN
 157                             | SWM_D_EVENTQ
 158                             | SWM_D_CONF
 159                             | SWM_D_BAR
 160                             ;
 161 #else
 162 #define DPRINTF(x...)
 163 #define DNPRINTF(n,x...)
 164 #endif
 165
 166 #define LENGTH(x)               (sizeof x / sizeof x[0])
 167 #define MODKEY                  Mod1Mask
 168 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 169 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 170 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 171 #define SWM_PROPLEN             (16)
 172 #define SWM_FUNCNAME_LEN        (32)
 173 #define SWM_KEYS_LEN            (255)
 174 #define SWM_QUIRK_LEN           (64)
 175 #define X(r)                    (r)->g.x
 176 #define Y(r)                    (r)->g.y
 177 #define WIDTH(r)                (r)->g.w
 178 #define HEIGHT(r)               (r)->g.h
 179 #define BORDER(w)               (w->bordered ? border_width : 0)
 180 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 181 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 182 #define SH_MIN(w)               (w)->sh_mask & PMinSize
 183 #define SH_MIN_W(w)             (w)->sh.min_width
 184 #define SH_MIN_H(w)             (w)->sh.min_height
 185 #define SH_MAX(w)               (w)->sh_mask & PMaxSize
 186 #define SH_MAX_W(w)             (w)->sh.max_width
 187 #define SH_MAX_H(w)             (w)->sh.max_height
 188 #define SH_INC(w)               (w)->sh_mask & PResizeInc
 189 #define SH_INC_W(w)             (w)->sh.width_inc
 190 #define SH_INC_H(w)             (w)->sh.height_inc
 191 #define SWM_MAX_FONT_STEPS      (3)
 192 #define WINID(w)                ((w) ? (w)->id : 0)
 193 #define YESNO(x)                ((x) ? "yes" : "no")
 194
 195 #define SWM_FOCUS_DEFAULT       (0)
 196 #define SWM_FOCUS_SYNERGY       (1)
 197 #define SWM_FOCUS_FOLLOW        (2)
 198
 199 #define SWM_CONF_DEFAULT        (0)
 200 #define SWM_CONF_KEYMAPPING     (1)
 201
 202 #ifndef SWM_LIB
 203 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 204 #endif
 205
 206 char                    **start_argv;
 207 xcb_atom_t              astate;
 208 xcb_atom_t              aprot;
 209 xcb_atom_t              adelete;
 210 xcb_atom_t              takefocus;
 211 xcb_atom_t              a_wmname;
 212 xcb_atom_t              a_netwmname;
 213 xcb_atom_t              a_utf8_string;
 214 xcb_atom_t              a_string;
 215 xcb_atom_t              a_swm_iconic;
 216 volatile sig_atomic_t   running = 1;
 217 volatile sig_atomic_t   restart_wm = 0;
 218 int                     outputs = 0;
 219 int                     last_focus_event = FocusOut;
 220 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 221 int                     other_wm;
 222 int                     ss_enabled = 0;
 223 int                     xrandr_support;
 224 int                     xrandr_eventbase;
 225 unsigned int            numlockmask = 0;
 226 Display                 *display;
 227 xcb_connection_t        *conn;
 228
 229 int                     cycle_empty = 0;
 230 int                     cycle_visible = 0;
 231 int                     term_width = 0;
 232 int                     font_adjusted = 0;
 233 unsigned int            mod_key = MODKEY;
 234
 235 /* dmenu search */
 236 struct swm_region       *search_r;
 237 int                     select_list_pipe[2];
 238 int                     select_resp_pipe[2];
 239 pid_t                   searchpid;
 240 volatile sig_atomic_t   search_resp;
 241 int                     search_resp_action;
 242
 243 struct search_window {
 244         TAILQ_ENTRY(search_window)      entry;
 245         int                             idx;
 246         struct ws_win                   *win;
 247         GC                              gc;
 248         xcb_window_t                    indicator;
 249 };
 250 TAILQ_HEAD(search_winlist, search_window);
 251 struct search_winlist                   search_wl;
 252
 253 /* search actions */
 254 enum {
 255         SWM_SEARCH_NONE,
 256         SWM_SEARCH_UNICONIFY,
 257         SWM_SEARCH_NAME_WORKSPACE,
 258         SWM_SEARCH_SEARCH_WORKSPACE,
 259         SWM_SEARCH_SEARCH_WINDOW
 260 };
 261
 262 #define SWM_STACK_TOP           (0)
 263 #define SWM_STACK_BOTTOM        (1)
 264 #define SWM_STACK_ABOVE         (2)
 265 #define SWM_STACK_BELOW         (3)
 266
 267 /* dialog windows */
 268 double                  dialog_ratio = 0.6;
 269 /* status bar */
 270 #define SWM_BAR_MAX             (256)
 271 #define SWM_BAR_JUSTIFY_LEFT    (0)
 272 #define SWM_BAR_JUSTIFY_CENTER  (1)
 273 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 274 #define SWM_BAR_OFFSET          (4)
 275 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 276                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 277                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 278                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 279                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 280
 281 #ifdef X_HAVE_UTF8_STRING
 282 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 283 #else
 284 #define DRAWSTRING(x...)        XmbDrawString(x)
 285 #endif
 286
 287 char                    *bar_argv[] = { NULL, NULL };
 288 int                     bar_pipe[2];
 289 unsigned char           bar_ext[SWM_BAR_MAX];
 290 char                    bar_vertext[SWM_BAR_MAX];
 291 int                     bar_version = 0;
 292 sig_atomic_t            bar_alarm = 0;
 293 int                     bar_delay = 30;
 294 int                     bar_enabled = 1;
 295 int                     bar_border_width = 1;
 296 int                     bar_at_bottom = 0;
 297 int                     bar_extra = 1;
 298 int                     bar_extra_running = 0;
 299 int                     bar_verbose = 1;
 300 int                     bar_height = 0;
 301 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 302 char                    *bar_format = NULL;
 303 int                     stack_enabled = 1;
 304 int                     clock_enabled = 1;
 305 int                     urgent_enabled = 0;
 306 char                    *clock_format = NULL;
 307 int                     title_name_enabled = 0;
 308 int                     title_class_enabled = 0;
 309 int                     window_name_enabled = 0;
 310 int                     focus_mode = SWM_FOCUS_DEFAULT;
 311 int                     focus_close = SWM_STACK_BELOW;
 312 int                     focus_close_wrap = 1;
 313 int                     focus_default = SWM_STACK_TOP;
 314 int                     spawn_position = SWM_STACK_TOP;
 315 int                     disable_border = 0;
 316 int                     border_width = 1;
 317 int                     verbose_layout = 0;
 318 pid_t                   bar_pid;
 319 XFontSet                bar_fs;
 320 XFontSetExtents         *bar_fs_extents;
 321 char                    *bar_fonts;
 322 struct passwd           *pwd;
 323
 324 #define SWM_MENU_FN     (2)
 325 #define SWM_MENU_NB     (4)
 326 #define SWM_MENU_NF     (6)
 327 #define SWM_MENU_SB     (8)
 328 #define SWM_MENU_SF     (10)
 329
 330 /* layout manager data */
 331 struct swm_geometry {
 332         int                     x;
 333         int                     y;
 334         int                     w;
 335         int                     h;
 336 };
 337
 338 struct swm_screen;
 339 struct workspace;
 340
 341 struct swm_bar {
 342         xcb_window_t            id;
 343         xcb_pixmap_t            buffer;
 344         struct swm_geometry     g;
 345 };
 346
 347 /* virtual "screens" */
 348 struct swm_region {
 349         TAILQ_ENTRY(swm_region) entry;
 350         struct swm_geometry     g;
 351         struct workspace        *ws;    /* current workspace on this region */
 352         struct workspace        *ws_prior; /* prior workspace on this region */
 353         struct swm_screen       *s;     /* screen idx */
 354         struct swm_bar          *bar;
 355 };
 356 TAILQ_HEAD(swm_region_list, swm_region);
 357
 358 struct ws_win {
 359         TAILQ_ENTRY(ws_win)     entry;
 360         xcb_window_t            id;
 361         xcb_window_t            transient;
 362         struct ws_win           *child_trans;   /* transient child window */
 363         struct swm_geometry     g;              /* current geometry */
 364         struct swm_geometry     g_float;        /* region coordinates */
 365         int                     g_floatvalid;   /* g_float geometry validity */
 366         int                     floatmaxed;     /* whether maxed by max_stack */
 367         int                     floating;
 368         int                     manual;
 369         int                     iconic;
 370         int                     bordered;
 371         unsigned int            ewmh_flags;
 372         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 373         int                     font_steps;
 374         int                     last_inc;
 375         int                     can_delete;
 376         int                     take_focus;
 377         int                     java;
 378         unsigned long           quirks;
 379         struct workspace        *ws;    /* always valid */
 380         struct swm_screen       *s;     /* always valid, never changes */
 381         XWindowAttributes       wa;
 382         XSizeHints              sh;
 383         long                    sh_mask;
 384         XClassHint              ch;
 385         XWMHints                *hints;
 386 };
 387 TAILQ_HEAD(ws_win_list, ws_win);
 388
 389 /* pid goo */
 390 struct pid_e {
 391         TAILQ_ENTRY(pid_e)      entry;
 392         long                    pid;
 393         int                     ws;
 394 };
 395 TAILQ_HEAD(pid_list, pid_e);
 396 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 397
 398 /* layout handlers */
 399 void    stack(void);
 400 void    vertical_config(struct workspace *, int);
 401 void    vertical_stack(struct workspace *, struct swm_geometry *);
 402 void    horizontal_config(struct workspace *, int);
 403 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 404 void    max_stack(struct workspace *, struct swm_geometry *);
 405 void    plain_stacker(struct workspace *);
 406 void    fancy_stacker(struct workspace *);
 407
 408 struct ws_win *find_window(xcb_window_t);
 409
 410 void            grabbuttons(struct ws_win *, int);
 411 void            new_region(struct swm_screen *, int, int, int, int);
 412 void            unmanage_window(struct ws_win *);
 413 uint16_t        getstate(xcb_window_t);
 414
 415 int             conf_load(char *, int);
 416
 417 struct layout {
 418         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 419         void            (*l_config)(struct workspace *, int);
 420         u_int32_t       flags;
 421 #define SWM_L_FOCUSPREV         (1<<0)
 422 #define SWM_L_MAPONFOCUS        (1<<1)
 423         void            (*l_string)(struct workspace *);
 424 } layouts[] =  {
 425         /* stack,               configure */
 426         { vertical_stack,       vertical_config,        0,      plain_stacker },
 427         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 428         { max_stack,            NULL,
 429           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 430         { NULL,                 NULL,                   0,      NULL  },
 431 };
 432
 433 /* position of max_stack mode in the layouts array, index into layouts! */
 434 #define SWM_V_STACK             (0)
 435 #define SWM_H_STACK             (1)
 436 #define SWM_MAX_STACK           (2)
 437
 438 #define SWM_H_SLICE             (32)
 439 #define SWM_V_SLICE             (32)
 440
 441 /* define work spaces */
 442 struct workspace {
 443         int                     idx;            /* workspace index */
 444         char                    *name;          /* workspace name */
 445         int                     always_raise;   /* raise windows on focus */
 446         struct layout           *cur_layout;    /* current layout handlers */
 447         struct ws_win           *focus;         /* may be NULL */
 448         struct ws_win           *focus_prev;    /* may be NULL */
 449         struct swm_region       *r;             /* may be NULL */
 450         struct swm_region       *old_r;         /* may be NULL */
 451         struct ws_win_list      winlist;        /* list of windows in ws */
 452         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 453         char                    stacker[10];    /* display stacker and layout */
 454
 455         /* stacker state */
 456         struct {
 457                                 int horizontal_msize;
 458                                 int horizontal_mwin;
 459                                 int horizontal_stacks;
 460                                 int horizontal_flip;
 461                                 int vertical_msize;
 462                                 int vertical_mwin;
 463                                 int vertical_stacks;
 464                                 int vertical_flip;
 465         } l_state;
 466 };
 467
 468 enum {
 469         SWM_S_COLOR_BAR,
 470         SWM_S_COLOR_BAR_BORDER,
 471         SWM_S_COLOR_BAR_FONT,
 472         SWM_S_COLOR_FOCUS,
 473         SWM_S_COLOR_UNFOCUS,
 474         SWM_S_COLOR_MAX
 475 };
 476
 477 /* physical screen mapping */
 478 #define SWM_WS_MAX              (22)    /* hard limit */
 479 int             workspace_limit = 10;   /* soft limit */
 480
 481 struct swm_screen {
 482         int                     idx;    /* screen index */
 483         struct swm_region_list  rl;     /* list of regions on this screen */
 484         struct swm_region_list  orl;    /* list of old regions */
 485         xcb_window_t            root;
 486         struct workspace        ws[SWM_WS_MAX];
 487
 488         /* colors */
 489         struct {
 490                 uint32_t        color;
 491                 char            *name;
 492         } c[SWM_S_COLOR_MAX];
 493
 494         GC                      bar_gc;
 495 };
 496 struct swm_screen       *screens;
 497
 498 /* args to functions */
 499 union arg {
 500         int                     id;
 501 #define SWM_ARG_ID_FOCUSNEXT    (0)
 502 #define SWM_ARG_ID_FOCUSPREV    (1)
 503 #define SWM_ARG_ID_FOCUSMAIN    (2)
 504 #define SWM_ARG_ID_FOCUSCUR     (4)
 505 #define SWM_ARG_ID_SWAPNEXT     (10)
 506 #define SWM_ARG_ID_SWAPPREV     (11)
 507 #define SWM_ARG_ID_SWAPMAIN     (12)
 508 #define SWM_ARG_ID_MOVELAST     (13)
 509 #define SWM_ARG_ID_MASTERSHRINK (20)
 510 #define SWM_ARG_ID_MASTERGROW   (21)
 511 #define SWM_ARG_ID_MASTERADD    (22)
 512 #define SWM_ARG_ID_MASTERDEL    (23)
 513 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 514 #define SWM_ARG_ID_STACKRESET   (30)
 515 #define SWM_ARG_ID_STACKINIT    (31)
 516 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 517 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 518 #define SWM_ARG_ID_CYCLESC_UP   (42)
 519 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 520 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 521 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 522 #define SWM_ARG_ID_STACKINC     (50)
 523 #define SWM_ARG_ID_STACKDEC     (51)
 524 #define SWM_ARG_ID_SS_ALL       (60)
 525 #define SWM_ARG_ID_SS_WINDOW    (61)
 526 #define SWM_ARG_ID_DONTCENTER   (70)
 527 #define SWM_ARG_ID_CENTER       (71)
 528 #define SWM_ARG_ID_KILLWINDOW   (80)
 529 #define SWM_ARG_ID_DELETEWINDOW (81)
 530 #define SWM_ARG_ID_WIDTHGROW    (90)
 531 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 532 #define SWM_ARG_ID_HEIGHTGROW   (92)
 533 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 534 #define SWM_ARG_ID_MOVEUP       (100)
 535 #define SWM_ARG_ID_MOVEDOWN     (101)
 536 #define SWM_ARG_ID_MOVELEFT     (102)
 537 #define SWM_ARG_ID_MOVERIGHT    (103)
 538         char                    **argv;
 539 };
 540
 541 void    focus(struct swm_region *, union arg *);
 542 void    focus_magic(struct ws_win *);
 543
 544 /* quirks */
 545 struct quirk {
 546         TAILQ_ENTRY(quirk)      entry;
 547         char                    *class;
 548         char                    *name;
 549         unsigned long           quirk;
 550 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 551 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 552 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 553 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 554 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 555 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 556 };
 557 TAILQ_HEAD(quirk_list, quirk);
 558 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 559
 560 /*
 561  * Supported EWMH hints should be added to
 562  * both the enum and the ewmh array
 563  */
 564 enum {
 565         _NET_ACTIVE_WINDOW,
 566         _NET_CLOSE_WINDOW,
 567         _NET_MOVERESIZE_WINDOW,
 568         _NET_WM_ACTION_CLOSE,
 569         _NET_WM_ACTION_FULLSCREEN,
 570         _NET_WM_ACTION_MOVE,
 571         _NET_WM_ACTION_RESIZE,
 572         _NET_WM_ALLOWED_ACTIONS,
 573         _NET_WM_STATE,
 574         _NET_WM_STATE_ABOVE,
 575         _NET_WM_STATE_FULLSCREEN,
 576         _NET_WM_STATE_HIDDEN,
 577         _NET_WM_STATE_MAXIMIZED_HORZ,
 578         _NET_WM_STATE_MAXIMIZED_VERT,
 579         _NET_WM_STATE_SKIP_PAGER,
 580         _NET_WM_STATE_SKIP_TASKBAR,
 581         _NET_WM_WINDOW_TYPE,
 582         _NET_WM_WINDOW_TYPE_DIALOG,
 583         _NET_WM_WINDOW_TYPE_DOCK,
 584         _NET_WM_WINDOW_TYPE_NORMAL,
 585         _NET_WM_WINDOW_TYPE_SPLASH,
 586         _NET_WM_WINDOW_TYPE_TOOLBAR,
 587         _NET_WM_WINDOW_TYPE_UTILITY,
 588         _SWM_WM_STATE_MANUAL,
 589         SWM_EWMH_HINT_MAX
 590 };
 591
 592 struct ewmh_hint {
 593         char            *name;
 594         xcb_atom_t      atom;
 595 } ewmh[SWM_EWMH_HINT_MAX] =     {
 596     /* must be in same order as in the enum */
 597     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 598     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 599     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 600     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 601     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 602     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 603     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 604     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 605     {"_NET_WM_STATE", XCB_ATOM_NONE},
 606     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 607     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 608     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 609     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 610     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 611     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 612     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 613     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 614     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 615     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 616     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 617     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 618     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 619     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 620     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 621 };
 622
 623 void             store_float_geom(struct ws_win *, struct swm_region *);
 624 int              floating_toggle_win(struct ws_win *);
 625 void             constrain_window(struct ws_win *, struct swm_region *, int);
 626 void             update_window(struct ws_win *);
 627 void             spawn_select(struct swm_region *, union arg *, char *, int *);
 628 unsigned char   *get_win_name(xcb_window_t);
 629 xcb_atom_t       get_atom_from_string(const char *);
 630 void            map_window_raised(xcb_window_t);
 631
 632 void
 633 map_window_raised(xcb_window_t win)
 634 {
 635         uint32_t        val = XCB_STACK_MODE_ABOVE;
 636
 637         xcb_configure_window(conn, win,
 638                 XCB_CONFIG_WINDOW_STACK_MODE, &val);
 639
 640         xcb_map_window(conn, win);
 641         xcb_flush(conn);
 642 }
 643
 644 xcb_atom_t
 645 get_atom_from_string(const char *str)
 646 {
 647         xcb_intern_atom_cookie_t        c;
 648         xcb_intern_atom_reply_t         *r;
 649         xcb_atom_t                      atom;
 650
 651         c = xcb_intern_atom(conn, False, strlen(str), str);
 652         r = xcb_intern_atom_reply(conn, c, NULL);
 653         if (r) {
 654                 atom = r->atom;
 655                 free(r);
 656
 657                 return (atom);
 658         }
 659
 660         return (XCB_ATOM_NONE);
 661 }
 662
 663 int
 664 get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
 665     unsigned long *nbytes, unsigned char **data)
 666 {
 667         int                     format, status;
 668         unsigned long           *nbytes_ret, *nitems_ret;
 669         unsigned long           nbytes_tmp, nitems_tmp;
 670         Atom                    real;
 671
 672         nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
 673         nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
 674
 675         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 676             &real, &format, nitems_ret, nbytes_ret, data);
 677
 678         if (status != Success)
 679                 return (False);
 680         if (real != type)
 681                 return (False);
 682
 683         return (True);
 684 }
 685
 686 void
 687 update_iconic(struct ws_win *win, int newv)
 688 {
 689         int32_t                         v = newv;
 690         xcb_atom_t                      iprop;
 691
 692         win->iconic = newv;
 693
 694         iprop = get_atom_from_string("_SWM_ICONIC");
 695         if (iprop == XCB_ATOM_NONE)
 696                 return;
 697
 698         if (newv)
 699                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 700                         iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 701         else
 702                 xcb_delete_property(conn, win->id, iprop);
 703 }
 704
 705 int
 706 get_iconic(struct ws_win *win)
 707 {
 708         int32_t v = 0, *vtmp;
 709         xcb_atom_t                      iprop;
 710         xcb_get_property_cookie_t       pc;
 711         xcb_get_property_reply_t        *pr;
 712
 713         iprop = get_atom_from_string("_SWM_ICONIC");
 714         if (iprop == XCB_ATOM_NONE)
 715                 goto out;
 716
 717         pc = xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 718                         0, 1);
 719         pr = xcb_get_property_reply(conn, pc, NULL);
 720         if (!pr)
 721                 goto out;
 722         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 723                 goto out;
 724         vtmp = xcb_get_property_value(pr);
 725         v = *vtmp;
 726 out:
 727         if (pr != NULL)
 728                 free(pr);
 729         return (v);
 730 }
 731
 732 void
 733 setup_ewmh(void)
 734 {
 735         xcb_atom_t                      sup_list;
 736         int                             i, j, num_screens;
 737
 738         sup_list = get_atom_from_string("_NET_SUPPORTED");
 739
 740         for (i = 0; i < LENGTH(ewmh); i++)
 741                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 742
 743         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 744         for (i = 0; i < num_screens; i++) {
 745                 /* Support check window will be created by workaround(). */
 746
 747                 /* Report supported atoms */
 748                 xcb_delete_property(conn, screens[i].root, sup_list);
 749                 for (j = 0; j < LENGTH(ewmh); j++)
 750                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 751                                 screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 752                                 &ewmh[j].atom);
 753         }
 754 }
 755
 756 void
 757 teardown_ewmh(void)
 758 {
 759         int                             i, num_screens;
 760         xcb_atom_t                      sup_check, sup_list;
 761         xcb_window_t                    id;
 762         xcb_get_property_cookie_t       pc;
 763         xcb_get_property_reply_t        *pr;
 764
 765         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 766         sup_list = get_atom_from_string("_NET_SUPPORTED");
 767         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 768
 769         for (i = 0; i < num_screens; i++) {
 770                 /* Get the support check window and destroy it */
 771                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 772                         XCB_ATOM_WINDOW, 0, 1);
 773                 pr = xcb_get_property_reply(conn, pc, NULL);
 774                 if (pr) {
 775                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 776
 777                         xcb_destroy_window(conn, id);
 778                         xcb_delete_property(conn, screens[i].root, sup_check);
 779                         xcb_delete_property(conn, screens[i].root, sup_list);
 780
 781                         free(pr);
 782                 }
 783         }
 784 }
 785
 786 void
 787 ewmh_autoquirk(struct ws_win *win)
 788 {
 789         int                     i;
 790         unsigned long           n;
 791         xcb_atom_t              type;
 792
 793         xcb_get_property_cookie_t       c;
 794         xcb_get_property_reply_t        *r;
 795
 796         c = xcb_get_property(conn, False, win->id,
 797                 ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, (~0L));
 798         r = xcb_get_property_reply(conn, c, NULL);
 799         if (!r)
 800                 return;
 801         n = xcb_get_property_value_length(r);
 802
 803         for (i = 0; i < n; i++) {
 804                 type = *((xcb_atom_t *)xcb_get_property_value(r));
 805                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 806                         break;
 807                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 808                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 809                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 810                         win->floating = 1;
 811                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 812                         break;
 813                 }
 814                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 815                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 816                         win->floating = 1;
 817                         win->quirks = SWM_Q_FLOAT;
 818                         break;
 819                 }
 820         }
 821         free(r);
 822 }
 823
 824 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 825 #define EWMH_F_FULLSCREEN               (1<<0)
 826 #define EWMH_F_ABOVE                    (1<<1)
 827 #define EWMH_F_HIDDEN                   (1<<2)
 828 #define EWMH_F_SKIP_PAGER               (1<<3)
 829 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 830 #define SWM_F_MANUAL                    (1<<5)
 831
 832 int
 833 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 834 {
 835         if (!win->ws->r)
 836                 return (0);
 837
 838         if (!win->floating)
 839                 return (0);
 840
 841         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%lx, "
 842             "fullscreen %s\n", win->id, YESNO(fs));
 843
 844         if (fs) {
 845                 if (!win->g_floatvalid)
 846                         store_float_geom(win, win->ws->r);
 847
 848                 win->g = win->ws->r->g;
 849                 win->bordered = 0;
 850         } else {
 851                 if (win->g_floatvalid) {
 852                         /* refloat at last floating relative position */
 853                         win->g = win->g_float;
 854                         X(win) += X(win->ws->r);
 855                         Y(win) += Y(win->ws->r);
 856                 }
 857         }
 858
 859         return (1);
 860 }
 861
 862 void
 863 ewmh_update_actions(struct ws_win *win)
 864 {
 865         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 866         int                     n = 0;
 867
 868         if (win == NULL)
 869                 return;
 870
 871         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 872
 873         if (win->floating) {
 874                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 875                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 876         }
 877
 878         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 879                 ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1,
 880                 actions);
 881 }
 882
 883 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 884 #define _NET_WM_STATE_ADD       1    /* add/set property */
 885 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 886
 887 void
 888 ewmh_update_win_state(struct ws_win *win, long state, long action)
 889 {
 890         unsigned int            mask = 0;
 891         unsigned int            changed = 0;
 892         unsigned int            orig_flags;
 893
 894         if (win == NULL)
 895                 return;
 896
 897         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 898                 mask = EWMH_F_FULLSCREEN;
 899         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 900                 mask = EWMH_F_ABOVE;
 901         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 902                 mask = SWM_F_MANUAL;
 903         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 904                 mask = EWMH_F_SKIP_PAGER;
 905         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 906                 mask = EWMH_F_SKIP_TASKBAR;
 907
 908
 909         orig_flags = win->ewmh_flags;
 910
 911         switch (action) {
 912         case _NET_WM_STATE_REMOVE:
 913                 win->ewmh_flags &= ~mask;
 914                 break;
 915         case _NET_WM_STATE_ADD:
 916                 win->ewmh_flags |= mask;
 917                 break;
 918         case _NET_WM_STATE_TOGGLE:
 919                 win->ewmh_flags ^= mask;
 920                 break;
 921         }
 922
 923         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 924
 925         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 926                 if (changed)
 927                         if (!floating_toggle_win(win))
 928                                 win->ewmh_flags = orig_flags; /* revert */
 929         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 930                 if (changed)
 931                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 932         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 933                 if (changed)
 934                         if (!ewmh_set_win_fullscreen(win,
 935                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 936                                 win->ewmh_flags = orig_flags; /* revert */
 937
 938         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 939
 940         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 941                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 942                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 943                         &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 944         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 945                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 946                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 947                         &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
 948         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 949                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 950                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 951                         &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
 952         if (win->ewmh_flags & EWMH_F_ABOVE)
 953                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 954                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 955                         &ewmh[_NET_WM_STATE_ABOVE].atom);
 956         if (win->ewmh_flags & SWM_F_MANUAL)
 957                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 958                         ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 959                         &ewmh[_SWM_WM_STATE_MANUAL].atom);
 960 }
 961
 962 void
 963 ewmh_get_win_state(struct ws_win *win)
 964 {
 965         xcb_atom_t                      *states;
 966         xcb_get_property_cookie_t       c;
 967         xcb_get_property_reply_t        *r;
 968         int                             i, n;
 969
 970         if (win == NULL)
 971                 return;
 972
 973         win->ewmh_flags = 0;
 974         if (win->floating)
 975                 win->ewmh_flags |= EWMH_F_ABOVE;
 976         if (win->manual)
 977                 win->ewmh_flags |= SWM_F_MANUAL;
 978
 979         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
 980                 XCB_ATOM_ATOM, 0, (~0L));
 981         r = xcb_get_property_reply(conn, c, NULL);
 982         if (!r)
 983                 return;
 984
 985         states = xcb_get_property_value(r);
 986         n = xcb_get_property_value_length(r);
 987
 988         free(r);
 989
 990         for (i = 0; i < n; i++)
 991                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 992 }
 993
 994 /* events */
 995 #ifdef SWM_DEBUG
 996 char *
 997 geteventname(XEvent *e)
 998 {
 999         char                    *name = NULL;
1000
1001         switch (e->type) {
1002         case KeyPress:
1003                 name = "KeyPress";
1004                 break;
1005         case KeyRelease:
1006                 name = "KeyRelease";
1007                 break;
1008         case ButtonPress:
1009                 name = "ButtonPress";
1010                 break;
1011         case ButtonRelease:
1012                 name = "ButtonRelease";
1013                 break;
1014         case MotionNotify:
1015                 name = "MotionNotify";
1016                 break;
1017         case EnterNotify:
1018                 name = "EnterNotify";
1019                 break;
1020         case LeaveNotify:
1021                 name = "LeaveNotify";
1022                 break;
1023         case FocusIn:
1024                 name = "FocusIn";
1025                 break;
1026         case FocusOut:
1027                 name = "FocusOut";
1028                 break;
1029         case KeymapNotify:
1030                 name = "KeymapNotify";
1031                 break;
1032         case Expose:
1033                 name = "Expose";
1034                 break;
1035         case GraphicsExpose:
1036                 name = "GraphicsExpose";
1037                 break;
1038         case NoExpose:
1039                 name = "NoExpose";
1040                 break;
1041         case VisibilityNotify:
1042                 name = "VisibilityNotify";
1043                 break;
1044         case CreateNotify:
1045                 name = "CreateNotify";
1046                 break;
1047         case DestroyNotify:
1048                 name = "DestroyNotify";
1049                 break;
1050         case UnmapNotify:
1051                 name = "UnmapNotify";
1052                 break;
1053         case MapNotify:
1054                 name = "MapNotify";
1055                 break;
1056         case MapRequest:
1057                 name = "MapRequest";
1058                 break;
1059         case ReparentNotify:
1060                 name = "ReparentNotify";
1061                 break;
1062         case ConfigureNotify:
1063                 name = "ConfigureNotify";
1064                 break;
1065         case ConfigureRequest:
1066                 name = "ConfigureRequest";
1067                 break;
1068         case GravityNotify:
1069                 name = "GravityNotify";
1070                 break;
1071         case ResizeRequest:
1072                 name = "ResizeRequest";
1073                 break;
1074         case CirculateNotify:
1075                 name = "CirculateNotify";
1076                 break;
1077         case CirculateRequest:
1078                 name = "CirculateRequest";
1079                 break;
1080         case PropertyNotify:
1081                 name = "PropertyNotify";
1082                 break;
1083         case SelectionClear:
1084                 name = "SelectionClear";
1085                 break;
1086         case SelectionRequest:
1087                 name = "SelectionRequest";
1088                 break;
1089         case SelectionNotify:
1090                 name = "SelectionNotify";
1091                 break;
1092         case ColormapNotify:
1093                 name = "ColormapNotify";
1094                 break;
1095         case ClientMessage:
1096                 name = "ClientMessage";
1097                 break;
1098         case MappingNotify:
1099                 name = "MappingNotify";
1100                 break;
1101         default:
1102                 name = "Unknown";
1103         }
1104
1105         return (name);
1106 }
1107
1108 char *
1109 xrandr_geteventname(XEvent *e)
1110 {
1111         char                    *name = NULL;
1112
1113         switch(e->type - xrandr_eventbase) {
1114         case RRScreenChangeNotify:
1115                 name = "RRScreenChangeNotify";
1116                 break;
1117         default:
1118                 name = "Unknown";
1119         }
1120
1121         return (name);
1122 }
1123
1124 void
1125 dumpwins(struct swm_region *r, union arg *args)
1126 {
1127         struct ws_win                           *win;
1128         uint16_t                                state;
1129         xcb_get_window_attributes_cookie_t      c;
1130         xcb_get_window_attributes_reply_t       *r;
1131
1132         if (r->ws == NULL) {
1133                 warnx("dumpwins: invalid workspace");
1134                 return;
1135         }
1136
1137         warnx("=== managed window list ws %02d ===", r->ws->idx);
1138         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1139                 state = getstate(win->id);
1140                 c = xcb_get_window_attributes(conn, win->id);
1141                 r = xcb_get_window_attributes_reply(conn, c, NULL);
1142                 if (r) {
1143                         warnx("window: 0x%x, map_state: %d, state: %u, "
1144                                 "transient: 0x%x", win->id, wa.map_state,
1145                                 state, win->transient);
1146                         free(r);
1147                 } else
1148                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1149                             win->id);
1150         }
1151
1152         warnx("===== unmanaged window list =====");
1153         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1154                 state = getstate(win->id);
1155                 c = xcb_get_window_attributes(conn, win->id);
1156                 r xcb_get_window_attributes_reply(conn, c, NULL);
1157                 if (r) {
1158                         warnx("window: 0x%lx, map_state: %d, state: %u, "
1159                                 "transient: 0x%lx", win->id, wa.map_state,
1160                                 state, win->transient);
1161                         free(r);
1162                 } else
1163                         warnx("window: 0x%lx, failed XGetWindowAttributes",
1164                             win->id);
1165         }
1166
1167         warnx("=================================");
1168 }
1169 #else
1170 void
1171 dumpwins(struct swm_region *r, union arg *args)
1172 {
1173 }
1174 #endif /* SWM_DEBUG */
1175
1176 void                    expose(XEvent *);
1177 void                    keypress(XEvent *);
1178 void                    buttonpress(XEvent *);
1179 void                    configurerequest(XEvent *);
1180 void                    configurenotify(XEvent *);
1181 void                    destroynotify(XEvent *);
1182 void                    enternotify(XEvent *);
1183 void                    focusevent(XEvent *);
1184 void                    mapnotify(XEvent *);
1185 void                    mappingnotify(XEvent *);
1186 void                    maprequest(XEvent *);
1187 void                    propertynotify(XEvent *);
1188 void                    unmapnotify(XEvent *);
1189 void                    visibilitynotify(XEvent *);
1190 void                    clientmessage(XEvent *);
1191
1192 void                    (*handler[LASTEvent])(XEvent *) = {
1193                                 [Expose] = expose,
1194                                 [KeyPress] = keypress,
1195                                 [ButtonPress] = buttonpress,
1196                                 [ConfigureRequest] = configurerequest,
1197                                 [ConfigureNotify] = configurenotify,
1198                                 [DestroyNotify] = destroynotify,
1199                                 [EnterNotify] = enternotify,
1200                                 [FocusIn] = focusevent,
1201                                 [FocusOut] = focusevent,
1202                                 [MapNotify] = mapnotify,
1203                                 [MappingNotify] = mappingnotify,
1204                                 [MapRequest] = maprequest,
1205                                 [PropertyNotify] = propertynotify,
1206                                 [UnmapNotify] = unmapnotify,
1207                                 [VisibilityNotify] = visibilitynotify,
1208                                 [ClientMessage] = clientmessage,
1209 };
1210
1211 void
1212 sighdlr(int sig)
1213 {
1214         int                     saved_errno, status;
1215         pid_t                   pid;
1216
1217         saved_errno = errno;
1218
1219         switch (sig) {
1220         case SIGCHLD:
1221                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1222                         if (pid == -1) {
1223                                 if (errno == EINTR)
1224                                         continue;
1225 #ifdef SWM_DEBUG
1226                                 if (errno != ECHILD)
1227                                         warn("sighdlr: waitpid");
1228 #endif /* SWM_DEBUG */
1229                                 break;
1230                         }
1231                         if (pid == searchpid)
1232                                 search_resp = 1;
1233
1234 #ifdef SWM_DEBUG
1235                         if (WIFEXITED(status)) {
1236                                 if (WEXITSTATUS(status) != 0)
1237                                         warnx("sighdlr: child exit status: %d",
1238                                             WEXITSTATUS(status));
1239                         } else
1240                                 warnx("sighdlr: child is terminated "
1241                                     "abnormally");
1242 #endif /* SWM_DEBUG */
1243                 }
1244                 break;
1245
1246         case SIGHUP:
1247                 restart_wm = 1;
1248                 break;
1249         case SIGINT:
1250         case SIGTERM:
1251         case SIGQUIT:
1252                 running = 0;
1253                 break;
1254         }
1255
1256         errno = saved_errno;
1257 }
1258
1259 struct pid_e *
1260 find_pid(long pid)
1261 {
1262         struct pid_e            *p = NULL;
1263
1264         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1265
1266         if (pid == 0)
1267                 return (NULL);
1268
1269         TAILQ_FOREACH(p, &pidlist, entry) {
1270                 if (p->pid == pid)
1271                         return (p);
1272         }
1273
1274         return (NULL);
1275 }
1276
1277 uint32_t
1278 name_to_color(const char *colorname)
1279 {
1280         uint32_t                        result = 0;
1281         char                            cname[32] = "#";
1282         xcb_screen_t                    *screen;
1283         xcb_colormap_t                  cmap;
1284         xcb_alloc_named_color_cookie_t  c;
1285         xcb_alloc_named_color_reply_t   *r;
1286
1287         /* XXX - does not support rgb:/RR/GG/BB
1288          *       will need to use xcb_alloc_color
1289          */
1290         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1291         cmap = screen->default_colormap;
1292
1293         c = xcb_alloc_named_color(conn, cmap, strlen(colorname), colorname);
1294         r = xcb_alloc_named_color_reply(conn, c, NULL);
1295         if (!r) {
1296                 strlcat(cname, colorname + 2, sizeof cname - 1);
1297                 c = xcb_alloc_named_color(conn, cmap, strlen(cname),
1298                         cname);
1299                 r = xcb_alloc_named_color_reply(conn, c, NULL);
1300         }
1301         if (r) {
1302                 result = r->pixel;
1303                 free(r);
1304         } else
1305                 warnx("color '%s' not found", colorname);
1306
1307         return (result);
1308 }
1309
1310 void
1311 setscreencolor(char *val, int i, int c)
1312 {
1313         int     num_screens;
1314
1315         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1316         if (i > 0 && i <= num_screens) {
1317                 screens[i - 1].c[c].color = name_to_color(val);
1318                 free(screens[i - 1].c[c].name);
1319                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1320                         err(1, "strdup");
1321         } else if (i == -1) {
1322                 for (i = 0; i < num_screens; i++) {
1323                         screens[i].c[c].color = name_to_color(val);
1324                         free(screens[i].c[c].name);
1325                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1326                                 err(1, "strdup");
1327                 }
1328         } else
1329                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1330                     i, num_screens);
1331 }
1332
1333 void
1334 fancy_stacker(struct workspace *ws)
1335 {
1336         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1337         if (ws->cur_layout->l_stack == vertical_stack)
1338                 snprintf(ws->stacker, sizeof ws->stacker,
1339                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1340                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1341         if (ws->cur_layout->l_stack == horizontal_stack)
1342                 snprintf(ws->stacker, sizeof ws->stacker,
1343                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1344                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1345 }
1346
1347 void
1348 plain_stacker(struct workspace *ws)
1349 {
1350         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1351         if (ws->cur_layout->l_stack == vertical_stack)
1352                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1353                     sizeof ws->stacker);
1354         if (ws->cur_layout->l_stack == horizontal_stack)
1355                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1356                     sizeof ws->stacker);
1357 }
1358
1359 void
1360 custom_region(char *val)
1361 {
1362         unsigned int                    sidx, x, y, w, h;
1363         int                             num_screens;
1364
1365         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1366         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1367                 errx(1, "invalid custom region, "
1368                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1369         if (sidx < 1 || sidx > num_screens)
1370                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1371                     sidx, num_screens);
1372         sidx--;
1373
1374         if (w < 1 || h < 1)
1375                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1376
1377         if (x > DisplayWidth(display, sidx) ||
1378             y > DisplayHeight(display, sidx) ||
1379             w + x > DisplayWidth(display, sidx) ||
1380             h + y > DisplayHeight(display, sidx)) {
1381                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1382                     "boundaries (%ux%u)", w, h, x, y,
1383                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1384                 return;
1385         }
1386
1387         new_region(&screens[sidx], x, y, w, h);
1388 }
1389
1390 void
1391 socket_setnonblock(int fd)
1392 {
1393         int                     flags;
1394
1395         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1396                 err(1, "fcntl F_GETFL");
1397         flags |= O_NONBLOCK;
1398         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1399                 err(1, "fcntl F_SETFL");
1400 }
1401
1402 void
1403 bar_print(struct swm_region *r, const char *s)
1404 {
1405         int                     x = 0;
1406         size_t                  len;
1407         XRectangle              ibox, lbox;
1408
1409         len = strlen(s);
1410         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1411
1412         switch (bar_justify) {
1413         case SWM_BAR_JUSTIFY_LEFT:
1414                 x = SWM_BAR_OFFSET;
1415                 break;
1416         case SWM_BAR_JUSTIFY_CENTER:
1417                 x = (WIDTH(r) - lbox.width) / 2;
1418                 break;
1419         case SWM_BAR_JUSTIFY_RIGHT:
1420                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1421                 break;
1422         }
1423
1424         if (x < SWM_BAR_OFFSET)
1425                 x = SWM_BAR_OFFSET;
1426
1427         /* clear back buffer */
1428         XSetForeground(display, r->s->bar_gc, r->s->c[SWM_S_COLOR_BAR].color);
1429         XFillRectangle(display, r->bar->buffer, r->s->bar_gc, 0, 0,
1430             WIDTH(r->bar), HEIGHT(r->bar));
1431
1432         /* draw back buffer */
1433         XSetForeground(display, r->s->bar_gc,
1434             r->s->c[SWM_S_COLOR_BAR_FONT].color);
1435         DRAWSTRING(display, r->bar->buffer, bar_fs, r->s->bar_gc,
1436                 x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1437                 lbox.y, s, len);
1438
1439         /* blt */
1440         XCopyArea(display, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1441             WIDTH(r->bar), HEIGHT(r->bar), 0, 0);
1442 }
1443
1444 void
1445 bar_extra_stop(void)
1446 {
1447         if (bar_pipe[0]) {
1448                 close(bar_pipe[0]);
1449                 bzero(bar_pipe, sizeof bar_pipe);
1450         }
1451         if (bar_pid) {
1452                 kill(bar_pid, SIGTERM);
1453                 bar_pid = 0;
1454         }
1455         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1456         bar_extra = 0;
1457 }
1458
1459 void
1460 bar_class_name(char *s, size_t sz, struct swm_region *r)
1461 {
1462         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1463                 return;
1464         if (r->ws->focus->ch.res_class != NULL)
1465                 strlcat(s, r->ws->focus->ch.res_class, sz);
1466 }
1467
1468 void
1469 bar_title_name(char *s, size_t sz, struct swm_region *r)
1470 {
1471         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1472                 return;
1473         if (r->ws->focus->ch.res_name != NULL)
1474                 strlcat(s, r->ws->focus->ch.res_name, sz);
1475 }
1476
1477 void
1478 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1479 {
1480         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1481                 return;
1482
1483         bar_class_name(s, sz, r);
1484         strlcat(s, ":", sz);
1485         bar_title_name(s, sz, r);
1486 }
1487
1488 void
1489 bar_window_float(char *s, size_t sz, struct swm_region *r)
1490 {
1491         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1492                 return;
1493         if (r->ws->focus->floating)
1494                 strlcat(s, "(f)", sz);
1495 }
1496
1497 void
1498 bar_window_name(char *s, size_t sz, struct swm_region *r)
1499 {
1500         unsigned char           *title;
1501
1502         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1503                 return;
1504         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1505                 return;
1506
1507         strlcat(s, (char *)title, sz);
1508         XFree(title);
1509 }
1510
1511 int             urgent[SWM_WS_MAX];
1512 void
1513 bar_urgent(char *s, size_t sz)
1514 {
1515         struct ws_win           *win;
1516         int                     i, j, num_screens;
1517         char                    b[8];
1518         xcb_get_property_cookie_t       c;
1519         xcb_wm_hints_t          hints;
1520
1521         for (i = 0; i < workspace_limit; i++)
1522                 urgent[i] = 0;
1523
1524         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1525         for (i = 0; i < num_screens; i++)
1526                 for (j = 0; j < workspace_limit; j++)
1527                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1528                                 c = xcb_get_wm_hints(conn, win->id);
1529                                 if (xcb_get_wm_hints_reply(conn, c,
1530                                                 &hints, NULL) == 0)
1531                                         continue;
1532                                 if (hints.flags & XCB_WM_HINT_X_URGENCY)
1533                                         urgent[j] = 1;
1534                         }
1535
1536         for (i = 0; i < workspace_limit; i++) {
1537                 if (urgent[i])
1538                         snprintf(b, sizeof b, "%d ", i + 1);
1539                 else
1540                         snprintf(b, sizeof b, "- ");
1541                 strlcat(s, b, sz);
1542         }
1543 }
1544
1545 void
1546 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1547 {
1548         if (r == NULL || r->ws == NULL)
1549                 return;
1550         if (r->ws->name != NULL)
1551                 strlcat(s, r->ws->name, sz);
1552 }
1553
1554 /* build the default bar format according to the defined enabled options */
1555 void
1556 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1557 {
1558         /* if format provided, just copy the buffers */
1559         if (bar_format != NULL) {
1560                 strlcpy(fmtnew, fmtexp, sz);
1561                 return;
1562         }
1563
1564         /* reset the output buffer */
1565         *fmtnew = '\0';
1566
1567         strlcat(fmtnew, "+N:+I ", sz);
1568         if (stack_enabled)
1569                 strlcat(fmtnew, "+S", sz);
1570         strlcat(fmtnew, " ", sz);
1571
1572         /* only show the workspace name if there's actually one */
1573         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1574                 strlcat(fmtnew, "<+D>", sz);
1575         strlcat(fmtnew, "+3<", sz);
1576
1577         if (clock_enabled) {
1578                 strlcat(fmtnew, fmtexp, sz);
1579                 strlcat(fmtnew, "+4<", sz);
1580         }
1581
1582         /* bar_urgent already adds the space before the last asterisk */
1583         if (urgent_enabled)
1584                 strlcat(fmtnew, "* +U*+4<", sz);
1585
1586         if (title_class_enabled) {
1587                 strlcat(fmtnew, "+C", sz);
1588                 if (title_name_enabled == 0)
1589                         strlcat(fmtnew, "+4<", sz);
1590         }
1591
1592         /* checks needed by the colon and floating strlcat(3) calls below */
1593         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1594                 if (title_name_enabled) {
1595                         if (title_class_enabled)
1596                                 strlcat(fmtnew, ":", sz);
1597                         strlcat(fmtnew, "+T+4<", sz);
1598                 }
1599                 if (window_name_enabled) {
1600                         if (r->ws->focus->floating)
1601                                 strlcat(fmtnew, "+F ", sz);
1602                         strlcat(fmtnew, "+64W ", sz);
1603                 }
1604         }
1605
1606         /* finally add the action script output and the version */
1607         strlcat(fmtnew, "+4<+A+4<+V", sz);
1608 }
1609
1610 void
1611 bar_replace_pad(char *tmp, int *limit, size_t sz)
1612 {
1613         /* special case; no limit given, pad one space, instead */
1614         if (*limit == sz - 1)
1615                 *limit = 1;
1616         snprintf(tmp, sz, "%*s", *limit, " ");
1617 }
1618
1619 /* replaces the bar format character sequences (like in tmux(1)) */
1620 char *
1621 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1622     size_t sz)
1623 {
1624         char                    *ptr;
1625         char                    tmp[SWM_BAR_MAX];
1626         int                     limit, size;
1627         size_t                  len;
1628
1629         /* reset strlcat(3) buffer */
1630         *tmp = '\0';
1631
1632         /* get number, if any */
1633         fmt++;
1634         size = 0;
1635         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1636                 limit = sizeof tmp - 1;
1637         if (limit <= 0 || limit >= sizeof tmp)
1638                 limit = sizeof tmp - 1;
1639
1640         /* there is nothing to replace (ie EOL) */
1641         fmt += size;
1642         if (*fmt == '\0')
1643                 return (fmt);
1644
1645         switch (*fmt) {
1646         case '<':
1647                 bar_replace_pad(tmp, &limit, sizeof tmp);
1648                 break;
1649         case 'A':
1650                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1651                 break;
1652         case 'C':
1653                 bar_class_name(tmp, sizeof tmp, r);
1654                 break;
1655         case 'D':
1656                 bar_workspace_name(tmp, sizeof tmp, r);
1657                 break;
1658         case 'F':
1659                 bar_window_float(tmp, sizeof tmp, r);
1660                 break;
1661         case 'I':
1662                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1663                 break;
1664         case 'N':
1665                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1666                 break;
1667         case 'P':
1668                 bar_class_title_name(tmp, sizeof tmp, r);
1669                 break;
1670         case 'S':
1671                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1672                 break;
1673         case 'T':
1674                 bar_title_name(tmp, sizeof tmp, r);
1675                 break;
1676         case 'U':
1677                 bar_urgent(tmp, sizeof tmp);
1678                 break;
1679         case 'V':
1680                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1681                 break;
1682         case 'W':
1683                 bar_window_name(tmp, sizeof tmp, r);
1684                 break;
1685         default:
1686                 /* unknown character sequence; copy as-is */
1687                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1688                 break;
1689         }
1690
1691         len = strlen(tmp);
1692         ptr = tmp;
1693         if (len < limit)
1694                 limit = len;
1695         while (limit-- > 0) {
1696                 if (*offrep >= sz - 1)
1697                         break;
1698                 fmtrep[(*offrep)++] = *ptr++;
1699         }
1700
1701         fmt++;
1702         return (fmt);
1703 }
1704
1705 void
1706 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1707 {
1708         size_t                  off;
1709
1710         off = 0;
1711         while (*fmt != '\0') {
1712                 if (*fmt != '+') {
1713                         /* skip ordinary characters */
1714                         if (off >= sz - 1)
1715                                 break;
1716                         fmtrep[off++] = *fmt++;
1717                         continue;
1718                 }
1719
1720                 /* character sequence found; replace it */
1721                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1722                 if (off >= sz - 1)
1723                         break;
1724         }
1725
1726         fmtrep[off] = '\0';
1727 }
1728
1729 void
1730 bar_fmt_expand(char *fmtexp, size_t sz)
1731 {
1732         char                    *fmt = NULL;
1733         size_t                  len;
1734         struct tm               tm;
1735         time_t                  tmt;
1736
1737         /* start by grabbing the current time and date */
1738         time(&tmt);
1739         localtime_r(&tmt, &tm);
1740
1741         /* figure out what to expand */
1742         if (bar_format != NULL)
1743                 fmt = bar_format;
1744         else if (bar_format == NULL && clock_enabled)
1745                 fmt = clock_format;
1746         /* if nothing to expand bail out */
1747         if (fmt == NULL) {
1748                 *fmtexp = '\0';
1749                 return;
1750         }
1751
1752         /* copy as-is, just in case the format shouldn't be expanded below */
1753         strlcpy(fmtexp, fmt, sz);
1754         /* finally pass the string through strftime(3) */
1755 #ifndef SWM_DENY_CLOCK_FORMAT
1756         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1757                 warnx("format too long");
1758         fmtexp[len] = '\0';
1759 #endif
1760 }
1761
1762 void
1763 bar_fmt_print(void)
1764 {
1765         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1766         char                    fmtrep[SWM_BAR_MAX];
1767         int                     i, num_screens;
1768         struct swm_region       *r;
1769
1770         /* expand the format by first passing it through strftime(3) */
1771         bar_fmt_expand(fmtexp, sizeof fmtexp);
1772
1773         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1774         for (i = 0; i < num_screens; i++) {
1775                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1776                         if (r->bar == NULL)
1777                                 continue;
1778                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1779                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1780                         bar_print(r, fmtrep);
1781                 }
1782         }
1783 }
1784
1785 void
1786 bar_update(void)
1787 {
1788         size_t                  len;
1789         char                    *b;
1790
1791         if (bar_enabled == 0)
1792                 return;
1793         if (bar_extra && bar_extra_running) {
1794                 /* ignore short reads; it'll correct itself */
1795                 while ((b = fgetln(stdin, &len)) != NULL)
1796                         if (b && b[len - 1] == '\n') {
1797                                 b[len - 1] = '\0';
1798                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1799                         }
1800                 if (b == NULL && errno != EAGAIN) {
1801                         warn("bar_update: bar_extra failed");
1802                         bar_extra_stop();
1803                 }
1804         } else
1805                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1806
1807         bar_fmt_print();
1808         alarm(bar_delay);
1809 }
1810
1811 void
1812 bar_signal(int sig)
1813 {
1814         bar_alarm = 1;
1815 }
1816
1817 void
1818 bar_toggle(struct swm_region *r, union arg *args)
1819 {
1820         struct swm_region       *tmpr;
1821         int                     i, num_screens;
1822
1823         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1824
1825         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1826         if (bar_enabled) {
1827                 for (i = 0; i < num_screens; i++)
1828                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1829                                 if (tmpr->bar)
1830                                         xcb_unmap_window(conn, tmpr->bar->id);
1831         } else {
1832                 for (i = 0; i < num_screens; i++)
1833                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1834                                 if (tmpr->bar)
1835                                         map_window_raised(tmpr->bar->id);
1836         }
1837
1838         bar_enabled = !bar_enabled;
1839
1840         stack();
1841         /* must be after stack */
1842         bar_update();
1843 }
1844
1845 void
1846 bar_refresh(void)
1847 {
1848         struct swm_region       *r;
1849         uint32_t                wa[2];
1850         int                     i, num_screens;
1851
1852         /* do this here because the conf file is in memory */
1853         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1854                 /* launch external status app */
1855                 bar_extra_running = 1;
1856                 if (pipe(bar_pipe) == -1)
1857                         err(1, "pipe error");
1858                 socket_setnonblock(bar_pipe[0]);
1859                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1860                 if (dup2(bar_pipe[0], 0) == -1)
1861                         err(1, "dup2");
1862                 if (dup2(bar_pipe[1], 1) == -1)
1863                         err(1, "dup2");
1864                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1865                         err(1, "could not disable SIGPIPE");
1866                 switch (bar_pid = fork()) {
1867                 case -1:
1868                         err(1, "cannot fork");
1869                         break;
1870                 case 0: /* child */
1871                         close(bar_pipe[0]);
1872                         execvp(bar_argv[0], bar_argv);
1873                         err(1, "%s external app failed", bar_argv[0]);
1874                         break;
1875                 default: /* parent */
1876                         close(bar_pipe[1]);
1877                         break;
1878                 }
1879         }
1880
1881         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1882         for (i = 0; i < num_screens; i++)
1883                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1884                         if (r->bar == NULL)
1885                                 continue;
1886                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1887                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1888                         xcb_change_window_attributes(conn, r->bar->id,
1889                                 XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1890                 }
1891         bar_update();
1892 }
1893
1894 void
1895 bar_setup(struct swm_region *r)
1896 {
1897         char                    *default_string;
1898         char                    **missing_charsets;
1899         int                     num_missing_charsets = 0;
1900         int                     i;
1901
1902         if (bar_fs) {
1903                 XFreeFontSet(display, bar_fs);
1904                 bar_fs = NULL;
1905         }
1906
1907         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1908                 err(1, "bar_setup: calloc: failed to allocate memory.");
1909
1910         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1911
1912         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1913             &num_missing_charsets, &default_string);
1914
1915         if (num_missing_charsets > 0) {
1916                 warnx("Unable to load charset(s):");
1917
1918                 for (i = 0; i < num_missing_charsets; ++i)
1919                         warnx("%s", missing_charsets[i]);
1920
1921                 XFreeStringList(missing_charsets);
1922
1923                 if (strcmp(default_string, ""))
1924                         warnx("Glyphs from those sets will be replaced "
1925                             "by '%s'.", default_string);
1926                 else
1927                         warnx("Glyphs from those sets won't be drawn.");
1928         }
1929
1930         if (bar_fs == NULL)
1931                 errx(1, "Error creating font set structure.");
1932
1933         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1934
1935         bar_height = bar_fs_extents->max_logical_extent.height +
1936             2 * bar_border_width;
1937
1938         if (bar_height < 1)
1939                 bar_height = 1;
1940
1941         X(r->bar) = X(r);
1942         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1943         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1944         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1945
1946         r->bar->id = XCreateSimpleWindow(display,
1947             r->s->root, X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1948             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1949             r->s->c[SWM_S_COLOR_BAR].color);
1950
1951         r->bar->buffer = XCreatePixmap(display, r->bar->id, WIDTH(r->bar),
1952             HEIGHT(r->bar), DefaultDepth(display, r->s->idx));
1953
1954         xcb_randr_select_input(conn, r->bar->id,
1955                 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1956
1957         if (bar_enabled)
1958                 map_window_raised(r->bar->id);
1959
1960         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%lx, (x,y) w x h: (%d,%d) "
1961             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1962             HEIGHT(r->bar));
1963
1964         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1965                 err(1, "could not install bar_signal");
1966         bar_refresh();
1967 }
1968
1969 void
1970 bar_cleanup(struct swm_region *r)
1971 {
1972         if (r->bar == NULL)
1973                 return;
1974         xcb_destroy_window(conn, r->bar->id);
1975         xcb_free_pixmap(conn, r->bar->buffer);
1976         free(r->bar);
1977         r->bar = NULL;
1978 }
1979
1980 void
1981 drain_enter_notify(void)
1982 {
1983         int                     i = 0;
1984
1985         while (xcb_poll_for_event(conn))
1986                 i++;
1987
1988         DNPRINTF(SWM_D_EVENT, "drain_enter_notify: drained: %d\n", i);
1989 }
1990
1991 void
1992 set_win_state(struct ws_win *win, uint16_t state)
1993 {
1994         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1995
1996         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1997
1998         if (win == NULL)
1999                 return;
2000
2001         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
2002                 astate, 32, 2, data);
2003 }
2004
2005 uint16_t
2006 getstate(xcb_window_t w)
2007 {
2008         uint16_t                        result = 0;
2009         xcb_get_property_cookie_t       c;
2010         xcb_get_property_reply_t        *r;
2011
2012         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
2013         r = xcb_get_property_reply(conn, c, NULL);
2014
2015         if (r) {
2016                 result = *((uint16_t *)xcb_get_property_value(r));
2017                 free(r);
2018         }
2019
2020         return (result);
2021 }
2022
2023 void
2024 version(struct swm_region *r, union arg *args)
2025 {
2026         bar_version = !bar_version;
2027         if (bar_version)
2028                 snprintf(bar_vertext, sizeof bar_vertext,
2029                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2030         else
2031                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2032         bar_update();
2033 }
2034
2035 void
2036 client_msg(struct ws_win *win, xcb_atom_t a)
2037 {
2038         xcb_client_message_event_t      ev;
2039
2040         if (win == NULL)
2041                 return;
2042
2043         bzero(&ev, sizeof ev);
2044         ev.response_type = XCB_CLIENT_MESSAGE;
2045         ev.window = win->id;
2046         ev.type = aprot;
2047         ev.format = 32;
2048         ev.data.data32[0] = a;
2049         ev.data.data32[1] = XCB_CURRENT_TIME;
2050
2051         xcb_send_event(conn, False, win->id,
2052                 XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2053         xcb_flush(conn);
2054 }
2055
2056 /* synthetic response to a ConfigureRequest when not making a change */
2057 void
2058 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
2059 {
2060         xcb_configure_notify_event_t ce;
2061
2062         if (win == NULL)
2063                 return;
2064
2065         /* send notification of unchanged state. */
2066         bzero(&ce, sizeof(ce));
2067         ce.response_type = XCB_CONFIGURE_NOTIFY;
2068         ce.x = X(win);
2069         ce.y = Y(win);
2070         ce.width = WIDTH(win);
2071         ce.height = HEIGHT(win);
2072         ce.override_redirect = False;
2073
2074         if (ev == NULL) {
2075                 /* EWMH */
2076                 ce.event = win->id;
2077                 ce.window = win->id;
2078                 ce.border_width = BORDER(win);
2079                 ce.above_sibling = XCB_WINDOW_NONE;
2080         } else {
2081                 /* normal */
2082                 ce.event = ev->window;
2083                 ce.window = ev->window;
2084
2085                 /* make response appear more WM_SIZE_HINTS-compliant */
2086                 if (win->sh_mask)
2087                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2088                             " sh_mask: %ld, min: %d x %d, max: %d x %d, inc: "
2089                             "%d x %d\n", win->id, win->sh_mask, SH_MIN_W(win),
2090                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2091                             SH_INC_W(win), SH_INC_H(win));
2092
2093                 /* min size */
2094                 if (SH_MIN(win)) {
2095                         /* the hint may be set... to 0! */
2096                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2097                                 ce.width = SH_MIN_W(win);
2098                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2099                                 ce.height = SH_MIN_H(win);
2100                 }
2101
2102                 /* max size */
2103                 if (SH_MAX(win)) {
2104                         /* may also be advertized as 0 */
2105                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2106                                 ce.width = SH_MAX_W(win);
2107                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2108                                 ce.height = SH_MAX_H(win);
2109                 }
2110
2111                 /* resize increment. */
2112                 if (SH_INC(win)) {
2113                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2114                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2115                                     SH_INC_W(win);
2116                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2117                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2118                                     SH_INC_H(win);
2119                 }
2120
2121                 /* adjust x and y for requested border_width. */
2122                 ce.x += BORDER(win) - ev->border_width;
2123                 ce.y += BORDER(win) - ev->border_width;
2124                 ce.border_width = ev->border_width;
2125                 ce.above_sibling = ev->above;
2126         }
2127
2128         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2129             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2130             ce.y, ce.width, ce.height, ce.border_width);
2131
2132         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2133                 (char *)&ce);
2134         xcb_flush(conn);
2135 }
2136
2137 int
2138 count_win(struct workspace *ws, int count_transient)
2139 {
2140         struct ws_win           *win;
2141         int                     count = 0;
2142
2143         TAILQ_FOREACH(win, &ws->winlist, entry) {
2144                 if (count_transient == 0 && win->floating)
2145                         continue;
2146                 if (count_transient == 0 && win->transient)
2147                         continue;
2148                 if (win->iconic)
2149                         continue;
2150                 count++;
2151         }
2152         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2153
2154         return (count);
2155 }
2156
2157 void
2158 quit(struct swm_region *r, union arg *args)
2159 {
2160         DNPRINTF(SWM_D_MISC, "quit\n");
2161         running = 0;
2162 }
2163
2164 void
2165 unmap_window(struct ws_win *win)
2166 {
2167         if (win == NULL)
2168                 return;
2169
2170         /* don't unmap again */
2171         if (getstate(win->id) == XCB_WM_STATE_ICONIC)
2172                 return;
2173
2174         set_win_state(win, XCB_WM_STATE_ICONIC);
2175
2176         xcb_unmap_window(conn, win->id);
2177         xcb_change_window_attributes(conn, win->id,
2178                 XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2179 }
2180
2181 void
2182 unmap_all(void)
2183 {
2184         struct ws_win           *win;
2185         int                     i, j, num_screens;
2186
2187         for (i = 0; i < num_screens; i++)
2188                 for (j = 0; j < workspace_limit; j++)
2189                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2190                                 unmap_window(win);
2191 }
2192
2193 void
2194 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2195 {
2196         xcb_key_press_event_t   event;
2197         xcb_key_symbols_t       *syms;
2198         xcb_keycode_t           *keycode;
2199
2200         if (win == NULL)
2201                 return;
2202
2203         syms = xcb_key_symbols_alloc(conn);
2204         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2205
2206         event.event = win->id;
2207         event.root = win->s->root;
2208         event.child = XCB_WINDOW_NONE;
2209         event.time = XCB_CURRENT_TIME;
2210         event.event_x = X(win);
2211         event.event_y = Y(win);
2212         event.root_x = 1;
2213         event.root_y = 1;
2214         event.same_screen = True;
2215         event.detail = *keycode;
2216         event.state = modifiers;
2217
2218         event.response_type = XCB_KEY_PRESS;
2219         xcb_send_event(conn, win->id, True,
2220                  XCB_EVENT_MASK_KEY_PRESS, (char *)&event);
2221
2222         event.response_type = XCB_KEY_RELEASE;
2223         xcb_send_event(conn, win->id, True,
2224                 XCB_EVENT_MASK_KEY_RELEASE, (char *)&event);
2225         xcb_flush(conn);
2226
2227         xcb_key_symbols_free(syms);
2228 }
2229
2230 void
2231 restart(struct swm_region *r, union arg *args)
2232 {
2233         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2234
2235         /* disable alarm because the following code may not be interrupted */
2236         alarm(0);
2237         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2238                 err(1, "can't disable alarm");
2239
2240         bar_extra_stop();
2241         bar_extra = 1;
2242         unmap_all();
2243         XCloseDisplay(display);
2244         execvp(start_argv[0], start_argv);
2245         warn("execvp failed");
2246         quit(NULL, NULL);
2247 }
2248
2249 struct swm_region *
2250 root_to_region(xcb_window_t root)
2251 {
2252         struct swm_region       *r = NULL;
2253         int                     i, num_screens;
2254         xcb_query_pointer_cookie_t      qpc;
2255         xcb_query_pointer_reply_t       *qpr;
2256
2257         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2258
2259         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2260         for (i = 0; i < num_screens; i++)
2261                 if (screens[i].root == root)
2262                         break;
2263
2264         qpc = xcb_query_pointer(conn, screens[i].root);
2265         qpr = xcb_query_pointer_reply(conn, qpc, NULL);
2266
2267         if (qpr) {
2268                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2269                     qpr->root_x, qpr->root_y);
2270                 /* choose a region based on pointer location */
2271                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2272                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2273                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2274                                 break;
2275                 free(qpr);
2276         }
2277
2278         if (r == NULL)
2279                 r = TAILQ_FIRST(&screens[i].rl);
2280
2281         return (r);
2282 }
2283
2284 struct ws_win *
2285 find_unmanaged_window(xcb_window_t id)
2286 {
2287         struct ws_win           *win;
2288         int                     i, j, num_screens;
2289
2290         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2291         for (i = 0; i < num_screens; i++)
2292                 for (j = 0; j < workspace_limit; j++)
2293                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2294                             entry)
2295                                 if (id == win->id)
2296                                         return (win);
2297         return (NULL);
2298 }
2299
2300 struct ws_win *
2301 find_window(xcb_window_t id)
2302 {
2303         struct ws_win           *win;
2304         int                     i, j, num_screens;
2305         xcb_query_tree_cookie_t c;
2306         xcb_query_tree_reply_t  *r;
2307
2308         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2309         for (i = 0; i < num_screens; i++)
2310                 for (j = 0; j < workspace_limit; j++)
2311                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2312                                 if (id == win->id)
2313                                         return (win);
2314
2315         c = xcb_query_tree(conn, id);
2316         r = xcb_query_tree_reply(conn, c, NULL);
2317         if (!r)
2318                 return (NULL);
2319
2320         /* if we were looking for the parent return that window instead */
2321         if (r->parent == 0 || r->root == r->parent)
2322                 return (NULL);
2323
2324         /* look for parent */
2325         for (i = 0; i < num_screens; i++)
2326                 for (j = 0; j < workspace_limit; j++)
2327                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2328                                 if (r->parent == win->id) {
2329                                         free(r);
2330                                         return (win);
2331                                 }
2332
2333         free(r);
2334         return (NULL);
2335 }
2336
2337 void
2338 spawn(int ws_idx, union arg *args, int close_fd)
2339 {
2340         int                     fd;
2341         char                    *ret = NULL;
2342
2343         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2344
2345         if (display)
2346                 close(xcb_get_file_descriptor(conn));
2347
2348         setenv("LD_PRELOAD", SWM_LIB, 1);
2349
2350         if (asprintf(&ret, "%d", ws_idx) == -1) {
2351                 warn("spawn: asprintf SWM_WS");
2352                 _exit(1);
2353         }
2354         setenv("_SWM_WS", ret, 1);
2355         free(ret);
2356         ret = NULL;
2357
2358         if (asprintf(&ret, "%d", getpid()) == -1) {
2359                 warn("spawn: asprintf _SWM_PID");
2360                 _exit(1);
2361         }
2362         setenv("_SWM_PID", ret, 1);
2363         free(ret);
2364         ret = NULL;
2365
2366         if (setsid() == -1) {
2367                 warn("spawn: setsid");
2368                 _exit(1);
2369         }
2370
2371         if (close_fd) {
2372                 /*
2373                  * close stdin and stdout to prevent interaction between apps
2374                  * and the baraction script
2375                  * leave stderr open to record errors
2376                 */
2377                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2378                         warn("spawn: open");
2379                         _exit(1);
2380                 }
2381                 dup2(fd, STDIN_FILENO);
2382                 dup2(fd, STDOUT_FILENO);
2383                 if (fd > 2)
2384                         close(fd);
2385         }
2386
2387         execvp(args->argv[0], args->argv);
2388
2389         warn("spawn: execvp");
2390         _exit(1);
2391 }
2392
2393 void
2394 kill_refs(struct ws_win *win)
2395 {
2396         int                     i, x, num_screens;
2397         struct swm_region       *r;
2398         struct workspace        *ws;
2399
2400         if (win == NULL)
2401                 return;
2402
2403         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2404         for (i = 0; i < num_screens; i++)
2405                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2406                         for (x = 0; x < workspace_limit; x++) {
2407                                 ws = &r->s->ws[x];
2408                                 if (win == ws->focus)
2409                                         ws->focus = NULL;
2410                                 if (win == ws->focus_prev)
2411                                         ws->focus_prev = NULL;
2412                         }
2413 }
2414
2415 int
2416 validate_win(struct ws_win *testwin)
2417 {
2418         struct ws_win           *win;
2419         struct workspace        *ws;
2420         struct swm_region       *r;
2421         int                     i, x, num_screens;
2422
2423         if (testwin == NULL)
2424                 return (0);
2425
2426         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2427         for (i = 0; i < num_screens; i++)
2428                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2429                         for (x = 0; x < workspace_limit; x++) {
2430                                 ws = &r->s->ws[x];
2431                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2432                                         if (win == testwin)
2433                                                 return (0);
2434                         }
2435         return (1);
2436 }
2437
2438 int
2439 validate_ws(struct workspace *testws)
2440 {
2441         struct swm_region       *r;
2442         struct workspace        *ws;
2443         int                     i, x, num_screens;
2444
2445         /* validate all ws */
2446         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2447         for (i = 0; i < num_screens; i++)
2448                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2449                         for (x = 0; x < workspace_limit; x++) {
2450                                 ws = &r->s->ws[x];
2451                                 if (ws == testws)
2452                                         return (0);
2453                         }
2454         return (1);
2455 }
2456
2457 void
2458 unfocus_win(struct ws_win *win)
2459 {
2460         XEvent                  cne;
2461         xcb_window_t            none = XCB_WINDOW_NONE;
2462
2463         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%lx\n", WINID(win));
2464
2465         if (win == NULL)
2466                 return;
2467         if (win->ws == NULL)
2468                 return;
2469
2470         if (validate_ws(win->ws))
2471                 return; /* XXX this gets hit with thunderbird, needs fixing */
2472
2473         if (win->ws->r == NULL)
2474                 return;
2475
2476         if (validate_win(win)) {
2477                 kill_refs(win);
2478                 return;
2479         }
2480
2481         if (win->ws->focus == win) {
2482                 win->ws->focus = NULL;
2483                 win->ws->focus_prev = win;
2484         }
2485
2486         if (validate_win(win->ws->focus)) {
2487                 kill_refs(win->ws->focus);
2488                 win->ws->focus = NULL;
2489         }
2490         if (validate_win(win->ws->focus_prev)) {
2491                 kill_refs(win->ws->focus_prev);
2492                 win->ws->focus_prev = NULL;
2493         }
2494
2495         /* drain all previous unfocus events */
2496         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
2497                 ;
2498
2499         grabbuttons(win, 0);
2500         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2501                 &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2502         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2503                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2504                 &none);
2505 }
2506
2507 void
2508 unfocus_all(void)
2509 {
2510         struct ws_win           *win;
2511         int                     i, j, num_screens;
2512
2513         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2514
2515         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2516         for (i = 0; i < num_screens; i++)
2517                 for (j = 0; j < workspace_limit; j++)
2518                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2519                                 unfocus_win(win);
2520 }
2521
2522 void
2523 focus_win(struct ws_win *win)
2524 {
2525         XEvent                  cne;
2526         struct ws_win           *cfw = NULL;
2527         xcb_get_input_focus_cookie_t    c;
2528         xcb_get_input_focus_reply_t     *r;
2529         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2530
2531         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2532
2533         if (win == NULL)
2534                 return;
2535         if (win->ws == NULL)
2536                 return;
2537
2538         if (validate_ws(win->ws))
2539                 return; /* XXX this gets hit with thunderbird, needs fixing */
2540
2541         if (validate_win(win)) {
2542                 kill_refs(win);
2543                 return;
2544         }
2545
2546         if (validate_win(win)) {
2547                 kill_refs(win);
2548                 return;
2549         }
2550
2551         c = xcb_get_input_focus(conn);
2552         r = xcb_get_input_focus_reply(conn, c, NULL);
2553         if (r) {
2554                 cur_focus = r->focus;
2555                 free(r);
2556         }
2557         if ((cfw = find_window(cur_focus)) != NULL)
2558                 unfocus_win(cfw);
2559         else {
2560                 /* use larger hammer since the window was killed somehow */
2561                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2562                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2563                                 xcb_change_window_attributes(conn, cfw->id,
2564                                         XCB_CW_BORDER_PIXEL,
2565                                         &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2566         }
2567
2568         win->ws->focus = win;
2569
2570         if (win->ws->r != NULL) {
2571                 /* drain all previous focus events */
2572                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
2573                         ;
2574
2575                 if (win->java == 0)
2576                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2577                                 win->id, XCB_CURRENT_TIME);
2578                 grabbuttons(win, 1);
2579                 xcb_change_window_attributes(conn, win->id,
2580                         XCB_CW_BORDER_PIXEL,
2581                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2582                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2583                     win->ws->always_raise)
2584                         map_window_raised(win->id);
2585
2586                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2587                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2588                         &win->id);
2589         }
2590
2591         bar_update();
2592 }
2593
2594 void
2595 switchws(struct swm_region *r, union arg *args)
2596 {
2597         int                     wsid = args->id, unmap_old = 0;
2598         struct swm_region       *this_r, *other_r;
2599         struct ws_win           *win;
2600         struct workspace        *new_ws, *old_ws;
2601         union arg               a;
2602
2603         if (!(r && r->s))
2604                 return;
2605
2606         if (wsid >= workspace_limit)
2607                 return;
2608
2609         this_r = r;
2610         old_ws = this_r->ws;
2611         new_ws = &this_r->s->ws[wsid];
2612
2613         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2614             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2615
2616         if (new_ws == NULL || old_ws == NULL)
2617                 return;
2618         if (new_ws == old_ws)
2619                 return;
2620
2621         other_r = new_ws->r;
2622         if (other_r == NULL) {
2623                 /* the other workspace is hidden, hide this one */
2624                 old_ws->r = NULL;
2625                 unmap_old = 1;
2626         } else {
2627                 /* the other ws is visible in another region, exchange them */
2628                 other_r->ws_prior = new_ws;
2629                 other_r->ws = old_ws;
2630                 old_ws->r = other_r;
2631         }
2632         this_r->ws_prior = old_ws;
2633         this_r->ws = new_ws;
2634         new_ws->r = this_r;
2635
2636         /* this is needed so that we can click on a window after a restart */
2637         unfocus_all();
2638
2639         stack();
2640         a.id = SWM_ARG_ID_FOCUSCUR;
2641         focus(new_ws->r, &a);
2642
2643         /* unmap old windows */
2644         if (unmap_old)
2645                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2646                         unmap_window(win);
2647
2648         if (focus_mode == SWM_FOCUS_DEFAULT)
2649                 drain_enter_notify();
2650 }
2651
2652 void
2653 cyclews(struct swm_region *r, union arg *args)
2654 {
2655         union                   arg a;
2656         struct swm_screen       *s = r->s;
2657         int                     cycle_all = 0;
2658
2659         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2660             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2661
2662         a.id = r->ws->idx;
2663         do {
2664                 switch (args->id) {
2665                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2666                         cycle_all = 1;
2667                         /* FALLTHROUGH */
2668                 case SWM_ARG_ID_CYCLEWS_UP:
2669                         if (a.id < workspace_limit - 1)
2670                                 a.id++;
2671                         else
2672                                 a.id = 0;
2673                         break;
2674                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2675                         cycle_all = 1;
2676                         /* FALLTHROUGH */
2677                 case SWM_ARG_ID_CYCLEWS_DOWN:
2678                         if (a.id > 0)
2679                                 a.id--;
2680                         else
2681                                 a.id = workspace_limit - 1;
2682                         break;
2683                 default:
2684                         return;
2685                 };
2686
2687                 if (!cycle_all &&
2688                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2689                         continue;
2690                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2691                         continue;
2692
2693                 switchws(r, &a);
2694         } while (a.id != r->ws->idx);
2695 }
2696
2697 void
2698 priorws(struct swm_region *r, union arg *args)
2699 {
2700         union arg               a;
2701
2702         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2703             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2704
2705         if (r->ws_prior == NULL)
2706                 return;
2707
2708         a.id = r->ws_prior->idx;
2709         switchws(r, &a);
2710 }
2711
2712 void
2713 cyclescr(struct swm_region *r, union arg *args)
2714 {
2715         struct swm_region       *rr = NULL;
2716         union arg               a;
2717         int                     i, x, y, num_screens;
2718
2719         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2720         /* do nothing if we don't have more than one screen */
2721         if (!(num_screens > 1 || outputs > 1))
2722                 return;
2723
2724         i = r->s->idx;
2725         switch (args->id) {
2726         case SWM_ARG_ID_CYCLESC_UP:
2727                 rr = TAILQ_NEXT(r, entry);
2728                 if (rr == NULL)
2729                         rr = TAILQ_FIRST(&screens[i].rl);
2730                 break;
2731         case SWM_ARG_ID_CYCLESC_DOWN:
2732                 rr = TAILQ_PREV(r, swm_region_list, entry);
2733                 if (rr == NULL)
2734                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2735                 break;
2736         default:
2737                 return;
2738         };
2739         if (rr == NULL)
2740                 return;
2741
2742         /* move mouse to region */
2743         x = X(rr) + 1;
2744         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2745         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2746                 x, y);
2747
2748         a.id = SWM_ARG_ID_FOCUSCUR;
2749         focus(rr, &a);
2750
2751         if (rr->ws->focus) {
2752                 /* move to focus window */
2753                 x = X(rr->ws->focus) + 1;
2754                 y = Y(rr->ws->focus) + 1;
2755                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2756                         0, x, y);
2757         }
2758 }
2759
2760 void
2761 sort_windows(struct ws_win_list *wl)
2762 {
2763         struct ws_win           *win, *parent, *nxt;
2764
2765         if (wl == NULL)
2766                 return;
2767
2768         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2769                 nxt = TAILQ_NEXT(win, entry);
2770                 if (win->transient) {
2771                         parent = find_window(win->transient);
2772                         if (parent == NULL) {
2773                                 warnx("not possible bug");
2774                                 continue;
2775                         }
2776                         TAILQ_REMOVE(wl, win, entry);
2777                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2778                 }
2779         }
2780
2781 }
2782
2783 void
2784 swapwin(struct swm_region *r, union arg *args)
2785 {
2786         struct ws_win           *target, *source;
2787         struct ws_win           *cur_focus;
2788         struct ws_win_list      *wl;
2789
2790
2791         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2792             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2793
2794         cur_focus = r->ws->focus;
2795         if (cur_focus == NULL)
2796                 return;
2797
2798         source = cur_focus;
2799         wl = &source->ws->winlist;
2800
2801         switch (args->id) {
2802         case SWM_ARG_ID_SWAPPREV:
2803                 if (source->transient)
2804                         source = find_window(source->transient);
2805                 target = TAILQ_PREV(source, ws_win_list, entry);
2806                 if (target && target->transient)
2807                         target = find_window(target->transient);
2808                 TAILQ_REMOVE(wl, source, entry);
2809                 if (target == NULL)
2810                         TAILQ_INSERT_TAIL(wl, source, entry);
2811                 else
2812                         TAILQ_INSERT_BEFORE(target, source, entry);
2813                 break;
2814         case SWM_ARG_ID_SWAPNEXT:
2815                 target = TAILQ_NEXT(source, entry);
2816                 /* move the parent and let the sort handle the move */
2817                 if (source->transient)
2818                         source = find_window(source->transient);
2819                 TAILQ_REMOVE(wl, source, entry);
2820                 if (target == NULL)
2821                         TAILQ_INSERT_HEAD(wl, source, entry);
2822                 else
2823                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2824                 break;
2825         case SWM_ARG_ID_SWAPMAIN:
2826                 target = TAILQ_FIRST(wl);
2827                 if (target == source) {
2828                         if (source->ws->focus_prev != NULL &&
2829                             source->ws->focus_prev != target)
2830                                 source = source->ws->focus_prev;
2831                         else
2832                                 return;
2833                 }
2834                 if (target == NULL || source == NULL)
2835                         return;
2836                 source->ws->focus_prev = target;
2837                 TAILQ_REMOVE(wl, target, entry);
2838                 TAILQ_INSERT_BEFORE(source, target, entry);
2839                 TAILQ_REMOVE(wl, source, entry);
2840                 TAILQ_INSERT_HEAD(wl, source, entry);
2841                 break;
2842         case SWM_ARG_ID_MOVELAST:
2843                 TAILQ_REMOVE(wl, source, entry);
2844                 TAILQ_INSERT_TAIL(wl, source, entry);
2845                 break;
2846         default:
2847                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2848                 return;
2849         }
2850
2851         sort_windows(wl);
2852
2853         stack();
2854 }
2855
2856 void
2857 focus_prev(struct ws_win *win)
2858 {
2859         struct ws_win           *winfocus = NULL;
2860         struct ws_win           *cur_focus = NULL;
2861         struct ws_win_list      *wl = NULL;
2862         struct workspace        *ws = NULL;
2863
2864         if (!(win && win->ws))
2865                 return;
2866
2867         ws = win->ws;
2868         wl = &ws->winlist;
2869         cur_focus = ws->focus;
2870
2871         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2872             WINID(win), WINID(cur_focus));
2873
2874         /* pickle, just focus on whatever */
2875         if (cur_focus == NULL) {
2876                 /* use prev_focus if valid */
2877                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2878                     find_window(WINID(ws->focus_prev)))
2879                         winfocus = ws->focus_prev;
2880                 goto done;
2881         }
2882
2883         /* if transient focus on parent */
2884         if (cur_focus->transient) {
2885                 winfocus = find_window(cur_focus->transient);
2886                 goto done;
2887         }
2888
2889         /* if in max_stack try harder */
2890         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2891             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2892                 if (cur_focus != ws->focus_prev)
2893                         winfocus = ws->focus_prev;
2894                 else
2895                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2896                 if (winfocus)
2897                         goto done;
2898         }
2899
2900         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2901
2902         if (winfocus == NULL || winfocus == win) {
2903                 switch (focus_close) {
2904                 case SWM_STACK_BOTTOM:
2905                         winfocus = TAILQ_FIRST(wl);
2906                         break;
2907                 case SWM_STACK_TOP:
2908                         winfocus = TAILQ_LAST(wl, ws_win_list);
2909                         break;
2910                 case SWM_STACK_ABOVE:
2911                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2912                                 if (focus_close_wrap)
2913                                         winfocus = TAILQ_FIRST(wl);
2914                                 else
2915                                         winfocus = TAILQ_PREV(cur_focus,
2916                                             ws_win_list, entry);
2917                         }
2918                         break;
2919                 case SWM_STACK_BELOW:
2920                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2921                             entry)) == NULL) {
2922                                 if (focus_close_wrap)
2923                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2924                                 else
2925                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2926                         }
2927                         break;
2928                 }
2929         }
2930 done:
2931         if (winfocus == NULL) {
2932                 if (focus_default == SWM_STACK_TOP)
2933                         winfocus = TAILQ_LAST(wl, ws_win_list);
2934                 else
2935                         winfocus = TAILQ_FIRST(wl);
2936         }
2937
2938         kill_refs(win);
2939         focus_magic(winfocus);
2940 }
2941
2942 void
2943 focus(struct swm_region *r, union arg *args)
2944 {
2945         struct ws_win           *winfocus = NULL, *head;
2946         struct ws_win           *cur_focus = NULL;
2947         struct ws_win_list      *wl = NULL;
2948         struct workspace        *ws = NULL;
2949         int                     all_iconics;
2950
2951         if (!(r && r->ws))
2952                 return;
2953
2954         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2955
2956         /* treat FOCUS_CUR special */
2957         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2958                 if (r->ws->focus && r->ws->focus->iconic == 0)
2959                         winfocus = r->ws->focus;
2960                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2961                         winfocus = r->ws->focus_prev;
2962                 else
2963                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2964                                 if (winfocus->iconic == 0)
2965                                         break;
2966
2967                 focus_magic(winfocus);
2968                 return;
2969         }
2970
2971         if ((cur_focus = r->ws->focus) == NULL)
2972                 return;
2973         ws = r->ws;
2974         wl = &ws->winlist;
2975         if (TAILQ_EMPTY(wl))
2976                 return;
2977         /* make sure there is at least one uniconified window */
2978         all_iconics = 1;
2979         TAILQ_FOREACH(winfocus, wl, entry)
2980                 if (winfocus->iconic == 0) {
2981                         all_iconics = 0;
2982                         break;
2983                 }
2984         if (all_iconics)
2985                 return;
2986
2987         switch (args->id) {
2988         case SWM_ARG_ID_FOCUSPREV:
2989                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2990                 if (head == NULL)
2991                         head = TAILQ_LAST(wl, ws_win_list);
2992                 winfocus = head;
2993                 if (WINID(winfocus) == cur_focus->transient) {
2994                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2995                         if (head == NULL)
2996                                 head = TAILQ_LAST(wl, ws_win_list);
2997                         winfocus = head;
2998                 }
2999
3000                 /* skip iconics */
3001                 if (winfocus && winfocus->iconic) {
3002                         while (winfocus != cur_focus) {
3003                                 if (winfocus == NULL)
3004                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3005                                 if (winfocus->iconic == 0)
3006                                         break;
3007                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3008                                     entry);
3009                         }
3010                 }
3011                 break;
3012
3013         case SWM_ARG_ID_FOCUSNEXT:
3014                 head = TAILQ_NEXT(cur_focus, entry);
3015                 if (head == NULL)
3016                         head = TAILQ_FIRST(wl);
3017                 winfocus = head;
3018
3019                 /* skip iconics */
3020                 if (winfocus && winfocus->iconic) {
3021                         while (winfocus != cur_focus) {
3022                                 if (winfocus == NULL)
3023                                         winfocus = TAILQ_FIRST(wl);
3024                                 if (winfocus->iconic == 0)
3025                                         break;
3026                                 winfocus = TAILQ_NEXT(winfocus, entry);
3027                         }
3028                 }
3029                 break;
3030
3031         case SWM_ARG_ID_FOCUSMAIN:
3032                 winfocus = TAILQ_FIRST(wl);
3033                 if (winfocus == cur_focus)
3034                         winfocus = cur_focus->ws->focus_prev;
3035                 break;
3036
3037         default:
3038                 return;
3039         }
3040
3041         focus_magic(winfocus);
3042 }
3043
3044 void
3045 cycle_layout(struct swm_region *r, union arg *args)
3046 {
3047         struct workspace        *ws = r->ws;
3048         union arg               a;
3049
3050         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3051
3052         ws->cur_layout++;
3053         if (ws->cur_layout->l_stack == NULL)
3054                 ws->cur_layout = &layouts[0];
3055
3056         stack();
3057         if (focus_mode == SWM_FOCUS_DEFAULT)
3058                 drain_enter_notify();
3059         a.id = SWM_ARG_ID_FOCUSCUR;
3060         focus(r, &a);
3061 }
3062
3063 void
3064 stack_config(struct swm_region *r, union arg *args)
3065 {
3066         struct workspace        *ws = r->ws;
3067
3068         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3069             args->id, ws->idx);
3070
3071         if (ws->cur_layout->l_config != NULL)
3072                 ws->cur_layout->l_config(ws, args->id);
3073
3074         if (args->id != SWM_ARG_ID_STACKINIT)
3075                 stack();
3076         bar_update();
3077 }
3078
3079 void
3080 stack(void) {
3081         struct swm_geometry     g;
3082         struct swm_region       *r;
3083         int                     i, num_screens;
3084 #ifdef SWM_DEBUG
3085         int j;
3086 #endif
3087
3088         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3089
3090         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3091         for (i = 0; i < num_screens; i++) {
3092 #ifdef SWM_DEBUG
3093                 j = 0;
3094 #endif
3095                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3096                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3097                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3098
3099                         /* start with screen geometry, adjust for bar */
3100                         g = r->g;
3101                         g.w -= 2 * border_width;
3102                         g.h -= 2 * border_width;
3103                         if (bar_enabled) {
3104                                 if (!bar_at_bottom)
3105                                         g.y += bar_height;
3106                                 g.h -= bar_height;
3107                         }
3108                         r->ws->cur_layout->l_stack(r->ws, &g);
3109                         r->ws->cur_layout->l_string(r->ws);
3110                         /* save r so we can track region changes */
3111                         r->ws->old_r = r;
3112                 }
3113         }
3114         if (font_adjusted)
3115                 font_adjusted--;
3116
3117         if (focus_mode == SWM_FOCUS_DEFAULT)
3118                 drain_enter_notify();
3119
3120         DNPRINTF(SWM_D_STACK, "stack: end\n");
3121 }
3122
3123 void
3124 store_float_geom(struct ws_win *win, struct swm_region *r)
3125 {
3126         /* retain window geom and region geom */
3127         win->g_float = win->g;
3128         win->g_float.x -= X(r);
3129         win->g_float.y -= Y(r);
3130         win->g_floatvalid = 1;
3131         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3132             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3133             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3134             win->g_float.w, win->g_float.h);
3135 }
3136
3137 void
3138 stack_floater(struct ws_win *win, struct swm_region *r)
3139 {
3140         if (win == NULL)
3141                 return;
3142
3143         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3144
3145         /*
3146          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3147          * geom on ws switches or return from max mode
3148          */
3149         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3150             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3151                 /* refloat at last floating relative position */
3152                 win->g = win->g_float;
3153                 X(win) += X(r);
3154                 Y(win) += Y(r);
3155         }
3156
3157         win->floatmaxed = 0;
3158
3159         /*
3160          * if set to fullscreen mode, configure window to maximum size.
3161          */
3162         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3163                 if (!win->g_floatvalid)
3164                         store_float_geom(win, win->ws->r);
3165
3166                 win->g = win->ws->r->g;
3167         }
3168
3169         /*
3170          * remove border on fullscreen floater when in fullscreen mode or when
3171          * the quirk is present.
3172          */
3173         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3174             ((win->quirks & SWM_Q_FULLSCREEN) &&
3175              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3176                 if (win->bordered) {
3177                         win->bordered = 0;
3178                         X(win) += border_width;
3179                         Y(win) += border_width;
3180                 }
3181         } else if (!win->bordered) {
3182                 win->bordered = 1;
3183                 X(win) -= border_width;
3184                 Y(win) -= border_width;
3185         }
3186
3187         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3188                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3189                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3190         }
3191
3192         if (!win->manual) {
3193                 /*
3194                  * floaters and transients are auto-centred unless moved
3195                  * or resized
3196                  */
3197                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3198                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3199         }
3200
3201         /* keep window within region bounds */
3202         constrain_window(win, r, 0);
3203
3204         update_window(win);
3205 }
3206
3207 /*
3208  * Send keystrokes to terminal to decrease/increase the font size as the
3209  * window size changes.
3210  */
3211 void
3212 adjust_font(struct ws_win *win)
3213 {
3214         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3215             win->floating || win->transient)
3216                 return;
3217
3218         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3219             WIDTH(win) / win->sh.width_inc < term_width &&
3220             win->font_steps < SWM_MAX_FONT_STEPS) {
3221                 win->font_size_boundary[win->font_steps] =
3222                     (win->sh.width_inc * term_width) + win->sh.base_width;
3223                 win->font_steps++;
3224                 font_adjusted++;
3225                 win->last_inc = win->sh.width_inc;
3226                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3227         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3228             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3229                 win->font_steps--;
3230                 font_adjusted++;
3231                 win->last_inc = win->sh.width_inc;
3232                 fake_keypress(win, XK_KP_Add, ShiftMask);
3233         }
3234 }
3235
3236 #define SWAPXY(g)       do {                            \
3237         int tmp;                                        \
3238         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3239         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3240 } while (0)
3241 void
3242 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3243 {
3244         XWindowAttributes       wa;
3245         struct swm_geometry     win_g, r_g = *g;
3246         struct ws_win           *win, *fs_win = NULL;
3247         int                     i, j, s, stacks;
3248         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3249         int                     hrh, extra = 0, h_slice, last_h = 0;
3250         int                     split, colno, winno, mwin, msize, mscale;
3251         int                     remain, missing, v_slice, reconfigure;
3252         int                     bordered = 1;
3253
3254         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3255             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3256
3257         winno = count_win(ws, 0);
3258         if (winno == 0 && count_win(ws, 1) == 0)
3259                 return;
3260
3261         TAILQ_FOREACH(win, &ws->winlist, entry)
3262                 if (win->transient == 0 && win->floating == 0
3263                     && win->iconic == 0)
3264                         break;
3265
3266         if (win == NULL)
3267                 goto notiles;
3268
3269         if (rot) {
3270                 w_inc = win->sh.width_inc;
3271                 w_base = win->sh.base_width;
3272                 mwin = ws->l_state.horizontal_mwin;
3273                 mscale = ws->l_state.horizontal_msize;
3274                 stacks = ws->l_state.horizontal_stacks;
3275                 SWAPXY(&r_g);
3276         } else {
3277                 w_inc = win->sh.height_inc;
3278                 w_base = win->sh.base_height;
3279                 mwin = ws->l_state.vertical_mwin;
3280                 mscale = ws->l_state.vertical_msize;
3281                 stacks = ws->l_state.vertical_stacks;
3282         }
3283         win_g = r_g;
3284
3285         if (stacks > winno - mwin)
3286                 stacks = winno - mwin;
3287         if (stacks < 1)
3288                 stacks = 1;
3289
3290         h_slice = r_g.h / SWM_H_SLICE;
3291         if (mwin && winno > mwin) {
3292                 v_slice = r_g.w / SWM_V_SLICE;
3293
3294                 split = mwin;
3295                 colno = split;
3296                 win_g.w = v_slice * mscale;
3297
3298                 if (w_inc > 1 && w_inc < v_slice) {
3299                         /* adjust for window's requested size increment */
3300                         remain = (win_g.w - w_base) % w_inc;
3301                         win_g.w -= remain;
3302                 }
3303
3304                 msize = win_g.w;
3305                 if (flip)
3306                         win_g.x += r_g.w - msize;
3307         } else {
3308                 msize = -2;
3309                 colno = split = winno / stacks;
3310                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3311                     2 * border_width) / stacks);
3312         }
3313         hrh = r_g.h / colno;
3314         extra = r_g.h - (colno * hrh);
3315         win_g.h = hrh - 2 * border_width;
3316
3317         /*  stack all the tiled windows */
3318         i = j = 0, s = stacks;
3319         TAILQ_FOREACH(win, &ws->winlist, entry) {
3320                 if (win->transient != 0 || win->floating != 0)
3321                         continue;
3322                 if (win->iconic != 0)
3323                         continue;
3324
3325                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3326                         fs_win = win;
3327                         continue;
3328                 }
3329
3330                 if (split && i == split) {
3331                         colno = (winno - mwin) / stacks;
3332                         if (s <= (winno - mwin) % stacks)
3333                                 colno++;
3334                         split = split + colno;
3335                         hrh = (r_g.h / colno);
3336                         extra = r_g.h - (colno * hrh);
3337                         if (flip)
3338                                 win_g.x = r_g.x;
3339                         else
3340                                 win_g.x += win_g.w + 2 * border_width;
3341                         win_g.w = (r_g.w - msize -
3342                             (stacks * 2 * border_width)) / stacks;
3343                         if (s == 1)
3344                                 win_g.w += (r_g.w - msize -
3345                                     (stacks * 2 * border_width)) % stacks;
3346                         s--;
3347                         j = 0;
3348                 }
3349                 win_g.h = hrh - 2 * border_width;
3350                 if (rot) {
3351                         h_inc = win->sh.width_inc;
3352                         h_base = win->sh.base_width;
3353                 } else {
3354                         h_inc = win->sh.height_inc;
3355                         h_base = win->sh.base_height;
3356                 }
3357                 if (j == colno - 1) {
3358                         win_g.h = hrh + extra;
3359                 } else if (h_inc > 1 && h_inc < h_slice) {
3360                         /* adjust for window's requested size increment */
3361                         remain = (win_g.h - h_base) % h_inc;
3362                         missing = h_inc - remain;
3363
3364                         if (missing <= extra || j == 0) {
3365                                 extra -= missing;
3366                                 win_g.h += missing;
3367                         } else {
3368                                 win_g.h -= remain;
3369                                 extra += remain;
3370                         }
3371                 }
3372
3373                 if (j == 0)
3374                         win_g.y = r_g.y;
3375                 else
3376                         win_g.y += last_h + 2 * border_width;
3377
3378                 if (disable_border && bar_enabled == 0 && winno == 1){
3379                         bordered = 0;
3380                         win_g.w += 2 * border_width;
3381                         win_g.h += 2 * border_width;
3382                 } else {
3383                         bordered = 1;
3384                 }
3385                 if (rot) {
3386                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3387                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3388                                 reconfigure = 1;
3389                                 X(win) = win_g.y;
3390                                 Y(win) = win_g.x;
3391                                 WIDTH(win) = win_g.h;
3392                                 HEIGHT(win) = win_g.w;
3393                         }
3394                 } else {
3395                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3396                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3397                                 reconfigure = 1;
3398                                 X(win) = win_g.x;
3399                                 Y(win) = win_g.y;
3400                                 WIDTH(win) = win_g.w;
3401                                 HEIGHT(win) = win_g.h;
3402                         }
3403                 }
3404
3405                 if (bordered != win->bordered) {
3406                         reconfigure = 1;
3407                         win->bordered = bordered;
3408                 }
3409
3410                 if (reconfigure) {
3411                         adjust_font(win);
3412                         update_window(win);
3413                 }
3414
3415                 if (XGetWindowAttributes(display, win->id, &wa))
3416                         if (wa.map_state == IsUnmapped)
3417                                 map_window_raised(win->id);
3418
3419                 last_h = win_g.h;
3420                 i++;
3421                 j++;
3422         }
3423
3424 notiles:
3425         /* now, stack all the floaters and transients */
3426         TAILQ_FOREACH(win, &ws->winlist, entry) {
3427                 if (win->transient == 0 && win->floating == 0)
3428                         continue;
3429                 if (win->iconic == 1)
3430                         continue;
3431                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3432                         fs_win = win;
3433                         continue;
3434                 }
3435
3436                 stack_floater(win, ws->r);
3437                 map_window_raised(win->id);
3438         }
3439
3440         if (fs_win) {
3441                 stack_floater(fs_win, ws->r);
3442                 map_window_raised(fs_win->id);
3443         }
3444 }
3445
3446 void
3447 vertical_config(struct workspace *ws, int id)
3448 {
3449         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3450             id, ws->idx);
3451
3452         switch (id) {
3453         case SWM_ARG_ID_STACKRESET:
3454         case SWM_ARG_ID_STACKINIT:
3455                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3456                 ws->l_state.vertical_mwin = 1;
3457                 ws->l_state.vertical_stacks = 1;
3458                 break;
3459         case SWM_ARG_ID_MASTERSHRINK:
3460                 if (ws->l_state.vertical_msize > 1)
3461                         ws->l_state.vertical_msize--;
3462                 break;
3463         case SWM_ARG_ID_MASTERGROW:
3464                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3465                         ws->l_state.vertical_msize++;
3466                 break;
3467         case SWM_ARG_ID_MASTERADD:
3468                 ws->l_state.vertical_mwin++;
3469                 break;
3470         case SWM_ARG_ID_MASTERDEL:
3471                 if (ws->l_state.vertical_mwin > 0)
3472                         ws->l_state.vertical_mwin--;
3473                 break;
3474         case SWM_ARG_ID_STACKINC:
3475                 ws->l_state.vertical_stacks++;
3476                 break;
3477         case SWM_ARG_ID_STACKDEC:
3478                 if (ws->l_state.vertical_stacks > 1)
3479                         ws->l_state.vertical_stacks--;
3480                 break;
3481         case SWM_ARG_ID_FLIPLAYOUT:
3482                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3483                 break;
3484         default:
3485                 return;
3486         }
3487 }
3488
3489 void
3490 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3491 {
3492         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3493
3494         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3495 }
3496
3497 void
3498 horizontal_config(struct workspace *ws, int id)
3499 {
3500         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3501
3502         switch (id) {
3503         case SWM_ARG_ID_STACKRESET:
3504         case SWM_ARG_ID_STACKINIT:
3505                 ws->l_state.horizontal_mwin = 1;
3506                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3507                 ws->l_state.horizontal_stacks = 1;
3508                 break;
3509         case SWM_ARG_ID_MASTERSHRINK:
3510                 if (ws->l_state.horizontal_msize > 1)
3511                         ws->l_state.horizontal_msize--;
3512                 break;
3513         case SWM_ARG_ID_MASTERGROW:
3514                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3515                         ws->l_state.horizontal_msize++;
3516                 break;
3517         case SWM_ARG_ID_MASTERADD:
3518                 ws->l_state.horizontal_mwin++;
3519                 break;
3520         case SWM_ARG_ID_MASTERDEL:
3521                 if (ws->l_state.horizontal_mwin > 0)
3522                         ws->l_state.horizontal_mwin--;
3523                 break;
3524         case SWM_ARG_ID_STACKINC:
3525                 ws->l_state.horizontal_stacks++;
3526                 break;
3527         case SWM_ARG_ID_STACKDEC:
3528                 if (ws->l_state.horizontal_stacks > 1)
3529                         ws->l_state.horizontal_stacks--;
3530                 break;
3531         case SWM_ARG_ID_FLIPLAYOUT:
3532                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3533                 break;
3534         default:
3535                 return;
3536         }
3537 }
3538
3539 void
3540 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3541 {
3542         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3543
3544         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3545 }
3546
3547 /* fullscreen view */
3548 void
3549 max_stack(struct workspace *ws, struct swm_geometry *g)
3550 {
3551         struct swm_geometry     gg = *g;
3552         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3553         int                     winno, num_screens;
3554
3555         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3556
3557         if (ws == NULL)
3558                 return;
3559
3560         winno = count_win(ws, 0);
3561         if (winno == 0 && count_win(ws, 1) == 0)
3562                 return;
3563
3564         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3565         TAILQ_FOREACH(win, &ws->winlist, entry) {
3566                 if (win->transient) {
3567                         wintrans = win;
3568                         parent = find_window(win->transient);
3569                         continue;
3570                 }
3571
3572                 if (win->floating && win->floatmaxed == 0 ) {
3573                         /*
3574                          * retain geometry for retrieval on exit from
3575                          * max_stack mode
3576                          */
3577                         store_float_geom(win, ws->r);
3578                         win->floatmaxed = 1;
3579                 }
3580
3581                 /* only reconfigure if necessary */
3582                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3583                     HEIGHT(win) != gg.h) {
3584                         win->g = gg;
3585                         if (bar_enabled){
3586                                 win->bordered = 1;
3587                         } else {
3588                                 win->bordered = 0;
3589                                 WIDTH(win) += 2 * border_width;
3590                                 HEIGHT(win) += 2 * border_width;
3591                         }
3592
3593                         update_window(win);
3594                 }
3595                 /* unmap only if we don't have multi screen */
3596                 if (win != ws->focus)
3597                         if (!(num_screens > 1 || outputs > 1))
3598                                 unmap_window(win);
3599         }
3600
3601         /* put the last transient on top */
3602         if (wintrans) {
3603                 if (parent)
3604                         map_window_raised(parent->id);
3605                 stack_floater(wintrans, ws->r);
3606                 focus_magic(wintrans);
3607         }
3608 }
3609
3610 void
3611 send_to_ws(struct swm_region *r, union arg *args)
3612 {
3613         int                     wsid = args->id;
3614         struct ws_win           *win = NULL, *parent;
3615         struct workspace        *ws, *nws;
3616         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3617         char                    ws_idx_str[SWM_PROPLEN];
3618         union arg               a;
3619
3620         if (wsid >= workspace_limit)
3621                 return;
3622
3623         if (r && r->ws && r->ws->focus)
3624                 win = r->ws->focus;
3625         else
3626                 return;
3627         if (win == NULL)
3628                 return;
3629         if (win->ws->idx == wsid)
3630                 return;
3631
3632         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3633
3634         ws = win->ws;
3635         nws = &win->s->ws[wsid];
3636
3637         a.id = SWM_ARG_ID_FOCUSPREV;
3638         focus(r, &a);
3639         if (win->transient) {
3640                 parent = find_window(win->transient);
3641                 if (parent) {
3642                         unmap_window(parent);
3643                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3644                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3645                         parent->ws = nws;
3646                 }
3647         }
3648         unmap_window(win);
3649         TAILQ_REMOVE(&ws->winlist, win, entry);
3650         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3651         if (TAILQ_EMPTY(&ws->winlist))
3652                 r->ws->focus = NULL;
3653         win->ws = nws;
3654
3655         /* Try to update the window's workspace property */
3656         ws_idx_atom = get_atom_from_string("_SWM_WS");
3657         if (ws_idx_atom &&
3658             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3659                 SWM_PROPLEN) {
3660                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3661                     ws_idx_str);
3662                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3663                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3664                         ws_idx_str);
3665         }
3666
3667         stack();
3668         bar_update();
3669 }
3670
3671 void
3672 pressbutton(struct swm_region *r, union arg *args)
3673 {
3674         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3675         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3676 }
3677
3678 void
3679 raise_toggle(struct swm_region *r, union arg *args)
3680 {
3681         if (r == NULL || r->ws == NULL)
3682                 return;
3683
3684         r->ws->always_raise = !r->ws->always_raise;
3685
3686         /* bring floaters back to top */
3687         if (r->ws->always_raise == 0)
3688                 stack();
3689 }
3690
3691 void
3692 iconify(struct swm_region *r, union arg *args)
3693 {
3694         union arg a;
3695
3696         if (r->ws->focus == NULL)
3697                 return;
3698         unmap_window(r->ws->focus);
3699         update_iconic(r->ws->focus, 1);
3700         stack();
3701         if (focus_mode == SWM_FOCUS_DEFAULT)
3702                 drain_enter_notify();
3703         r->ws->focus = NULL;
3704         a.id = SWM_ARG_ID_FOCUSCUR;
3705         focus(r, &a);
3706 }
3707
3708 unsigned char *
3709 get_win_name(xcb_window_t win)
3710 {
3711         unsigned char           *prop = NULL;
3712         unsigned long           nbytes, nitems;
3713
3714         /* try _NET_WM_NAME first */
3715         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3716             &prop)) {
3717                 XFree(prop);
3718                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3719                     &nitems, NULL, &prop))
3720                         return (prop);
3721         }
3722
3723         /* fallback to WM_NAME */
3724         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3725                 return (NULL);
3726         XFree(prop);
3727         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3728                 return (prop);
3729
3730         return (NULL);
3731 }
3732
3733 void
3734 uniconify(struct swm_region *r, union arg *args)
3735 {
3736         struct ws_win           *win;
3737         FILE                    *lfile;
3738         unsigned char           *name;
3739         int                     count = 0;
3740
3741         DNPRINTF(SWM_D_MISC, "uniconify\n");
3742
3743         if (r == NULL || r->ws == NULL)
3744                 return;
3745
3746         /* make sure we have anything to uniconify */
3747         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3748                 if (win->ws == NULL)
3749                         continue; /* should never happen */
3750                 if (win->iconic == 0)
3751                         continue;
3752                 count++;
3753         }
3754         if (count == 0)
3755                 return;
3756
3757         search_r = r;
3758         search_resp_action = SWM_SEARCH_UNICONIFY;
3759
3760         spawn_select(r, args, "search", &searchpid);
3761
3762         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3763                 return;
3764
3765         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3766                 if (win->ws == NULL)
3767                         continue; /* should never happen */
3768                 if (win->iconic == 0)
3769                         continue;
3770
3771                 name = get_win_name(win->id);
3772                 if (name == NULL)
3773                         continue;
3774                 fprintf(lfile, "%s.%u\n", name, win->id);
3775                 XFree(name);
3776         }
3777
3778         fclose(lfile);
3779 }
3780
3781 void
3782 name_workspace(struct swm_region *r, union arg *args)
3783 {
3784         FILE                    *lfile;
3785
3786         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3787
3788         if (r == NULL)
3789                 return;
3790
3791         search_r = r;
3792         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3793
3794         spawn_select(r, args, "name_workspace", &searchpid);
3795
3796         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3797                 return;
3798
3799         fprintf(lfile, "%s", "");
3800         fclose(lfile);
3801 }
3802
3803 void
3804 search_workspace(struct swm_region *r, union arg *args)
3805 {
3806         int                     i;
3807         struct workspace        *ws;
3808         FILE                    *lfile;
3809
3810         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3811
3812         if (r == NULL)
3813                 return;
3814
3815         search_r = r;
3816         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3817
3818         spawn_select(r, args, "search", &searchpid);
3819
3820         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3821                 return;
3822
3823         for (i = 0; i < workspace_limit; i++) {
3824                 ws = &r->s->ws[i];
3825                 if (ws == NULL)
3826                         continue;
3827                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3828                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3829         }
3830
3831         fclose(lfile);
3832 }
3833
3834 void
3835 search_win_cleanup(void)
3836 {
3837         struct search_window    *sw = NULL;
3838
3839         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3840                 xcb_destroy_window(conn, sw->indicator);
3841                 XFreeGC(display, sw->gc);
3842                 TAILQ_REMOVE(&search_wl, sw, entry);
3843                 free(sw);
3844         }
3845 }
3846
3847 void
3848 search_win(struct swm_region *r, union arg *args)
3849 {
3850         struct ws_win           *win = NULL;
3851         struct search_window    *sw = NULL;
3852         xcb_window_t            w;
3853         XGCValues               gcv;
3854         int                     i;
3855         char                    s[8];
3856         FILE                    *lfile;
3857         size_t                  len;
3858         XRectangle              ibox, lbox;
3859
3860         DNPRINTF(SWM_D_MISC, "search_win\n");
3861
3862         search_r = r;
3863         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3864
3865         spawn_select(r, args, "search", &searchpid);
3866
3867         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3868                 return;
3869
3870         TAILQ_INIT(&search_wl);
3871
3872         i = 1;
3873         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3874                 if (win->iconic == 1)
3875                         continue;
3876
3877                 sw = calloc(1, sizeof(struct search_window));
3878                 if (sw == NULL) {
3879                         warn("search_win: calloc");
3880                         fclose(lfile);
3881                         search_win_cleanup();
3882                         return;
3883                 }
3884                 sw->idx = i;
3885                 sw->win = win;
3886
3887                 snprintf(s, sizeof s, "%d", i);
3888                 len = strlen(s);
3889
3890                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3891
3892                 w = XCreateSimpleWindow(display,
3893                     win->id, 0, 0,lbox.width + 4,
3894                     bar_fs_extents->max_logical_extent.height, 1,
3895                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3896                     r->s->c[SWM_S_COLOR_FOCUS].color);
3897
3898                 sw->indicator = w;
3899                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3900
3901                 sw->gc = XCreateGC(display, w, 0, &gcv);
3902                 map_window_raised(w);
3903                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3904
3905                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3906                     (bar_fs_extents->max_logical_extent.height -
3907                     lbox.height) / 2 - lbox.y, s, len);
3908
3909                 fprintf(lfile, "%d\n", i);
3910                 i++;
3911         }
3912
3913         fclose(lfile);
3914 }
3915
3916 void
3917 search_resp_uniconify(char *resp, unsigned long len)
3918 {
3919         unsigned char           *name;
3920         struct ws_win           *win;
3921         char                    *s;
3922
3923         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3924
3925         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3926                 if (win->iconic == 0)
3927                         continue;
3928                 name = get_win_name(win->id);
3929                 if (name == NULL)
3930                         continue;
3931                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3932                         XFree(name);
3933                         continue;
3934                 }
3935                 XFree(name);
3936                 if (strncmp(s, resp, len) == 0) {
3937                         /* XXX this should be a callback to generalize */
3938                         update_iconic(win, 0);
3939                         free(s);
3940                         break;
3941                 }
3942                 free(s);
3943         }
3944 }
3945
3946 void
3947 search_resp_name_workspace(char *resp, unsigned long len)
3948 {
3949         struct workspace        *ws;
3950
3951         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3952
3953         if (search_r->ws == NULL)
3954                 return;
3955         ws = search_r->ws;
3956
3957         if (ws->name) {
3958                 free(search_r->ws->name);
3959                 search_r->ws->name = NULL;
3960         }
3961
3962         if (len > 1) {
3963                 ws->name = strdup(resp);
3964                 if (ws->name == NULL) {
3965                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3966                             "strdup: %s", strerror(errno));
3967                         return;
3968                 }
3969         }
3970 }
3971
3972 void
3973 search_resp_search_workspace(char *resp, unsigned long len)
3974 {
3975         char                    *p, *q;
3976         int                     ws_idx;
3977         const char              *errstr;
3978         union arg               a;
3979
3980         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3981
3982         q = strdup(resp);
3983         if (!q) {
3984                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3985                     strerror(errno));
3986                 return;
3987         }
3988         p = strchr(q, ':');
3989         if (p != NULL)
3990                 *p = '\0';
3991         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3992         if (errstr) {
3993                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3994                     errstr, q);
3995                 free(q);
3996                 return;
3997         }
3998         free(q);
3999         a.id = ws_idx - 1;
4000         switchws(search_r, &a);
4001 }
4002
4003 void
4004 search_resp_search_window(char *resp, unsigned long len)
4005 {
4006         char                    *s;
4007         int                     idx;
4008         const char              *errstr;
4009         struct search_window    *sw;
4010
4011         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4012
4013         s = strdup(resp);
4014         if (!s) {
4015                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4016                     strerror(errno));
4017                 return;
4018         }
4019
4020         idx = strtonum(s, 1, INT_MAX, &errstr);
4021         if (errstr) {
4022                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4023                     errstr, s);
4024                 free(s);
4025                 return;
4026         }
4027         free(s);
4028
4029         TAILQ_FOREACH(sw, &search_wl, entry)
4030                 if (idx == sw->idx) {
4031                         focus_win(sw->win);
4032                         break;
4033                 }
4034 }
4035
4036 #define MAX_RESP_LEN    1024
4037
4038 void
4039 search_do_resp(void)
4040 {
4041         ssize_t                 rbytes;
4042         char                    *resp;
4043         unsigned long           len;
4044
4045         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4046
4047         search_resp = 0;
4048         searchpid = 0;
4049
4050         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4051                 warn("search: calloc");
4052                 goto done;
4053         }
4054
4055         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4056         if (rbytes <= 0) {
4057                 warn("search: read error");
4058                 goto done;
4059         }
4060         resp[rbytes] = '\0';
4061
4062         /* XXX:
4063          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4064          * newline, so work around that by sanitizing the resp now.
4065          */
4066         resp[strcspn(resp, "\n")] = '\0';
4067         len = strlen(resp);
4068
4069         switch (search_resp_action) {
4070         case SWM_SEARCH_UNICONIFY:
4071                 search_resp_uniconify(resp, len);
4072                 break;
4073         case SWM_SEARCH_NAME_WORKSPACE:
4074                 search_resp_name_workspace(resp, len);
4075                 break;
4076         case SWM_SEARCH_SEARCH_WORKSPACE:
4077                 search_resp_search_workspace(resp, len);
4078                 break;
4079         case SWM_SEARCH_SEARCH_WINDOW:
4080                 search_resp_search_window(resp, len);
4081                 break;
4082         }
4083
4084 done:
4085         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4086                 search_win_cleanup();
4087
4088         search_resp_action = SWM_SEARCH_NONE;
4089         close(select_resp_pipe[0]);
4090         free(resp);
4091 }
4092
4093 void
4094 wkill(struct swm_region *r, union arg *args)
4095 {
4096         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4097
4098         if (r->ws->focus == NULL)
4099                 return;
4100
4101         if (args->id == SWM_ARG_ID_KILLWINDOW)
4102                 xcb_kill_client(conn, r->ws->focus->id);
4103         else
4104                 if (r->ws->focus->can_delete)
4105                         client_msg(r->ws->focus, adelete);
4106 }
4107
4108
4109 int
4110 floating_toggle_win(struct ws_win *win)
4111 {
4112         struct swm_region       *r;
4113
4114         if (win == NULL)
4115                 return (0);
4116
4117         if (!win->ws->r)
4118                 return (0);
4119
4120         r = win->ws->r;
4121
4122         /* reject floating toggles in max stack mode */
4123         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4124                 return (0);
4125
4126         if (win->floating) {
4127                 if (!win->floatmaxed) {
4128                         /* retain position for refloat */
4129                         store_float_geom(win, r);
4130                 }
4131                 win->floating = 0;
4132         } else {
4133                 if (win->g_floatvalid) {
4134                         /* refloat at last floating relative position */
4135                         X(win) = win->g_float.x + X(r);
4136                         Y(win) = win->g_float.y + Y(r);
4137                         WIDTH(win) = win->g_float.w;
4138                         HEIGHT(win) = win->g_float.h;
4139                 }
4140                 win->floating = 1;
4141         }
4142
4143         ewmh_update_actions(win);
4144
4145         return (1);
4146 }
4147
4148 void
4149 floating_toggle(struct swm_region *r, union arg *args)
4150 {
4151         struct ws_win           *win = r->ws->focus;
4152         union arg               a;
4153
4154         if (win == NULL)
4155                 return;
4156
4157         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4158             _NET_WM_STATE_TOGGLE);
4159
4160         stack();
4161         if (focus_mode == SWM_FOCUS_DEFAULT)
4162                 drain_enter_notify();
4163
4164         if (win == win->ws->focus) {
4165                 a.id = SWM_ARG_ID_FOCUSCUR;
4166                 focus(win->ws->r, &a);
4167         }
4168 }
4169
4170 void
4171 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4172 {
4173         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4174                 if (resizable)
4175                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4176                 else
4177                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4178         }
4179
4180         if (X(win) + BORDER(win) < X(r)) {
4181                 if (resizable)
4182                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4183
4184                 X(win) = X(r) - BORDER(win);
4185         }
4186
4187         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4188                 if (resizable)
4189                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4190                 else
4191                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4192         }
4193
4194         if (Y(win) + BORDER(win) < Y(r)) {
4195                 if (resizable)
4196                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4197
4198                 Y(win) = Y(r) - BORDER(win);
4199         }
4200
4201         if (resizable) {
4202                 if (WIDTH(win) < 1)
4203                         WIDTH(win) = 1;
4204                 if (HEIGHT(win) < 1)
4205                         HEIGHT(win) = 1;
4206         }
4207 }
4208
4209 void
4210 update_window(struct ws_win *win)
4211 {
4212         uint16_t        mask;
4213         uint32_t        wc[5];
4214
4215         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4216                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4217                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4218         wc[0] = X(win);
4219         wc[1] = Y(win);
4220         wc[2] = WIDTH(win);
4221         wc[3] = HEIGHT(win);
4222         wc[4] = BORDER(win);
4223
4224         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4225             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4226             wc[3], YESNO(win->bordered));
4227
4228         xcb_configure_window(conn, win->id, mask, wc);
4229 }
4230
4231 #define SWM_RESIZE_STEPS        (50)
4232
4233 void
4234 resize(struct ws_win *win, union arg *args)
4235 {
4236         XEvent                  ev;
4237         Time                    time = 0;
4238         struct swm_region       *r = NULL;
4239         int                     resize_step = 0;
4240         Window                  rr, cr;
4241         int                     x, y, wx, wy;
4242         unsigned int            mask;
4243         struct swm_geometry     g;
4244         int                     top = 0, left = 0;
4245         int                     dx, dy;
4246         Cursor                  cursor;
4247         unsigned int            shape; /* cursor style */
4248
4249         if (win == NULL)
4250                 return;
4251         r = win->ws->r;
4252
4253         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4254                 return;
4255
4256         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4257             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4258             win->transient);
4259
4260         if (!(win->transient != 0 || win->floating != 0))
4261                 return;
4262
4263         /* reject resizes in max mode for floaters (transient ok) */
4264         if (win->floatmaxed)
4265                 return;
4266
4267         win->manual = 1;
4268         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4269             _NET_WM_STATE_ADD);
4270
4271         stack();
4272
4273         switch (args->id) {
4274         case SWM_ARG_ID_WIDTHSHRINK:
4275                 WIDTH(win) -= SWM_RESIZE_STEPS;
4276                 resize_step = 1;
4277                 break;
4278         case SWM_ARG_ID_WIDTHGROW:
4279                 WIDTH(win) += SWM_RESIZE_STEPS;
4280                 resize_step = 1;
4281                 break;
4282         case SWM_ARG_ID_HEIGHTSHRINK:
4283                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4284                 resize_step = 1;
4285                 break;
4286         case SWM_ARG_ID_HEIGHTGROW:
4287                 HEIGHT(win) += SWM_RESIZE_STEPS;
4288                 resize_step = 1;
4289                 break;
4290         default:
4291                 break;
4292         }
4293         if (resize_step) {
4294                 constrain_window(win, r, 1);
4295                 update_window(win);
4296                 store_float_geom(win,r);
4297                 return;
4298         }
4299
4300         if (focus_mode == SWM_FOCUS_DEFAULT)
4301                 drain_enter_notify();
4302
4303         /* get cursor offset from window root */
4304         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4305             return;
4306
4307         g = win->g;
4308
4309         if (wx < WIDTH(win) / 2)
4310                 left = 1;
4311
4312         if (wy < HEIGHT(win) / 2)
4313                 top = 1;
4314
4315         if (args->id == SWM_ARG_ID_CENTER)
4316                 shape = XC_sizing;
4317         else if (top)
4318                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4319         else
4320                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4321
4322         cursor = XCreateFontCursor(display, shape);
4323
4324         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4325             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4326                 XFreeCursor(display, cursor);
4327                 return;
4328         }
4329
4330         do {
4331                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4332                     SubstructureRedirectMask, &ev);
4333                 switch (ev.type) {
4334                 case ConfigureRequest:
4335                 case Expose:
4336                 case MapRequest:
4337                         handler[ev.type](&ev);
4338                         break;
4339                 case MotionNotify:
4340                         /* cursor offset/delta from start of the operation */
4341                         dx = ev.xmotion.x_root - x;
4342                         dy = ev.xmotion.y_root - y;
4343
4344                         /* vertical */
4345                         if (top)
4346                                 dy = -dy;
4347
4348                         if (args->id == SWM_ARG_ID_CENTER) {
4349                                 if (g.h / 2 + dy < 1)
4350                                         dy = 1 - g.h / 2;
4351
4352                                 Y(win) = g.y - dy;
4353                                 HEIGHT(win) = g.h + 2 * dy;
4354                         } else {
4355                                 if (g.h + dy < 1)
4356                                         dy = 1 - g.h;
4357
4358                                 if (top)
4359                                         Y(win) = g.y - dy;
4360
4361                                 HEIGHT(win) = g.h + dy;
4362                         }
4363
4364                         /* horizontal */
4365                         if (left)
4366                                 dx = -dx;
4367
4368                         if (args->id == SWM_ARG_ID_CENTER) {
4369                                 if (g.w / 2 + dx < 1)
4370                                         dx = 1 - g.w / 2;
4371
4372                                 X(win) = g.x - dx;
4373                                 WIDTH(win) = g.w + 2 * dx;
4374                         } else {
4375                                 if (g.w + dx < 1)
4376                                         dx = 1 - g.w;
4377
4378                                 if (left)
4379                                         X(win) = g.x - dx;
4380
4381                                 WIDTH(win) = g.w + dx;
4382                         }
4383
4384                         constrain_window(win, r, 1);
4385
4386                         /* not free, don't sync more than 120 times / second */
4387                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4388                                 time = ev.xmotion.time;
4389                                 XSync(display, False);
4390                                 update_window(win);
4391                         }
4392                         break;
4393                 }
4394         } while (ev.type != ButtonRelease);
4395         if (time) {
4396                 XSync(display, False);
4397                 update_window(win);
4398         }
4399         store_float_geom(win,r);
4400
4401         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4402         XFreeCursor(display, cursor);
4403
4404         /* drain events */
4405         drain_enter_notify();
4406 }
4407
4408 void
4409 resize_step(struct swm_region *r, union arg *args)
4410 {
4411         struct ws_win           *win = NULL;
4412
4413         if (r && r->ws && r->ws->focus)
4414                 win = r->ws->focus;
4415         else
4416                 return;
4417
4418         resize(win, args);
4419 }
4420
4421 #define SWM_MOVE_STEPS  (50)
4422
4423 void
4424 move(struct ws_win *win, union arg *args)
4425 {
4426         XEvent                  ev;
4427         Time                    time = 0;
4428         int                     move_step = 0;
4429         struct swm_region       *r = NULL;
4430
4431         Window                  rr, cr;
4432         int                     x, y, wx, wy;
4433         unsigned int            mask;
4434
4435         if (win == NULL)
4436                 return;
4437         r = win->ws->r;
4438
4439         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4440                 return;
4441
4442         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4443             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4444
4445         /* in max_stack mode should only move transients */
4446         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4447                 return;
4448
4449         win->manual = 1;
4450         if (win->floating == 0 && !win->transient) {
4451                 store_float_geom(win, r);
4452                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4453                     _NET_WM_STATE_ADD);
4454         }
4455         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4456             _NET_WM_STATE_ADD);
4457
4458         stack();
4459
4460         move_step = 0;
4461         switch (args->id) {
4462         case SWM_ARG_ID_MOVELEFT:
4463                 X(win) -= (SWM_MOVE_STEPS - border_width);
4464                 move_step = 1;
4465                 break;
4466         case SWM_ARG_ID_MOVERIGHT:
4467                 X(win) += (SWM_MOVE_STEPS - border_width);
4468                 move_step = 1;
4469                 break;
4470         case SWM_ARG_ID_MOVEUP:
4471                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4472                 move_step = 1;
4473                 break;
4474         case SWM_ARG_ID_MOVEDOWN:
4475                 Y(win) += (SWM_MOVE_STEPS - border_width);
4476                 move_step = 1;
4477                 break;
4478         default:
4479                 break;
4480         }
4481         if (move_step) {
4482                 constrain_window(win, r, 0);
4483                 update_window(win);
4484                 store_float_geom(win, r);
4485                 return;
4486         }
4487
4488         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4489             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4490             CurrentTime) != GrabSuccess)
4491                 return;
4492
4493         /* get cursor offset from window root */
4494         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4495             return;
4496
4497         do {
4498                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4499                     SubstructureRedirectMask, &ev);
4500                 switch (ev.type) {
4501                 case ConfigureRequest:
4502                 case Expose:
4503                 case MapRequest:
4504                         handler[ev.type](&ev);
4505                         break;
4506                 case MotionNotify:
4507                         X(win) = ev.xmotion.x_root - wx - border_width;
4508                         Y(win) = ev.xmotion.y_root - wy - border_width;
4509
4510                         constrain_window(win, r, 0);
4511
4512                         /* not free, don't sync more than 120 times / second */
4513                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4514                                 time = ev.xmotion.time;
4515                                 XSync(display, False);
4516                                 update_window(win);
4517                         }
4518                         break;
4519                 }
4520         } while (ev.type != ButtonRelease);
4521         if (time) {
4522                 XSync(display, False);
4523                 update_window(win);
4524         }
4525         store_float_geom(win, r);
4526         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4527
4528         /* drain events */
4529         drain_enter_notify();
4530 }
4531
4532 void
4533 move_step(struct swm_region *r, union arg *args)
4534 {
4535         struct ws_win           *win = NULL;
4536
4537         if (r && r->ws && r->ws->focus)
4538                 win = r->ws->focus;
4539         else
4540                 return;
4541
4542         if (!(win->transient != 0 || win->floating != 0))
4543                 return;
4544
4545         move(win, args);
4546 }
4547
4548
4549 /* user/key callable function IDs */
4550 enum keyfuncid {
4551         kf_cycle_layout,
4552         kf_flip_layout,
4553         kf_stack_reset,
4554         kf_master_shrink,
4555         kf_master_grow,
4556         kf_master_add,
4557         kf_master_del,
4558         kf_stack_inc,
4559         kf_stack_dec,
4560         kf_swap_main,
4561         kf_focus_next,
4562         kf_focus_prev,
4563         kf_swap_next,
4564         kf_swap_prev,
4565         kf_quit,
4566         kf_restart,
4567         kf_focus_main,
4568         kf_ws_1,
4569         kf_ws_2,
4570         kf_ws_3,
4571         kf_ws_4,
4572         kf_ws_5,
4573         kf_ws_6,
4574         kf_ws_7,
4575         kf_ws_8,
4576         kf_ws_9,
4577         kf_ws_10,
4578         kf_ws_11,
4579         kf_ws_12,
4580         kf_ws_13,
4581         kf_ws_14,
4582         kf_ws_15,
4583         kf_ws_16,
4584         kf_ws_17,
4585         kf_ws_18,
4586         kf_ws_19,
4587         kf_ws_20,
4588         kf_ws_21,
4589         kf_ws_22,
4590         kf_ws_next,
4591         kf_ws_prev,
4592         kf_ws_next_all,
4593         kf_ws_prev_all,
4594         kf_ws_prior,
4595         kf_screen_next,
4596         kf_screen_prev,
4597         kf_mvws_1,
4598         kf_mvws_2,
4599         kf_mvws_3,
4600         kf_mvws_4,
4601         kf_mvws_5,
4602         kf_mvws_6,
4603         kf_mvws_7,
4604         kf_mvws_8,
4605         kf_mvws_9,
4606         kf_mvws_10,
4607         kf_mvws_11,
4608         kf_mvws_12,
4609         kf_mvws_13,
4610         kf_mvws_14,
4611         kf_mvws_15,
4612         kf_mvws_16,
4613         kf_mvws_17,
4614         kf_mvws_18,
4615         kf_mvws_19,
4616         kf_mvws_20,
4617         kf_mvws_21,
4618         kf_mvws_22,
4619         kf_bar_toggle,
4620         kf_wind_kill,
4621         kf_wind_del,
4622         kf_float_toggle,
4623         kf_version,
4624         kf_spawn_custom,
4625         kf_iconify,
4626         kf_uniconify,
4627         kf_raise_toggle,
4628         kf_button2,
4629         kf_width_shrink,
4630         kf_width_grow,
4631         kf_height_shrink,
4632         kf_height_grow,
4633         kf_move_left,
4634         kf_move_right,
4635         kf_move_up,
4636         kf_move_down,
4637         kf_name_workspace,
4638         kf_search_workspace,
4639         kf_search_win,
4640         kf_dumpwins, /* MUST BE LAST */
4641         kf_invalid
4642 };
4643
4644 /* key definitions */
4645 void
4646 dummykeyfunc(struct swm_region *r, union arg *args)
4647 {
4648 };
4649
4650 struct keyfunc {
4651         char                    name[SWM_FUNCNAME_LEN];
4652         void                    (*func)(struct swm_region *r, union arg *);
4653         union arg               args;
4654 } keyfuncs[kf_invalid + 1] = {
4655         /* name                 function        argument */
4656         { "cycle_layout",       cycle_layout,   {0} },
4657         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4658         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4659         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4660         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4661         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4662         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4663         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4664         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4665         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4666         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4667         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4668         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4669         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4670         { "quit",               quit,           {0} },
4671         { "restart",            restart,        {0} },
4672         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4673         { "ws_1",               switchws,       {.id = 0} },
4674         { "ws_2",               switchws,       {.id = 1} },
4675         { "ws_3",               switchws,       {.id = 2} },
4676         { "ws_4",               switchws,       {.id = 3} },
4677         { "ws_5",               switchws,       {.id = 4} },
4678         { "ws_6",               switchws,       {.id = 5} },
4679         { "ws_7",               switchws,       {.id = 6} },
4680         { "ws_8",               switchws,       {.id = 7} },
4681         { "ws_9",               switchws,       {.id = 8} },
4682         { "ws_10",              switchws,       {.id = 9} },
4683         { "ws_11",              switchws,       {.id = 10} },
4684         { "ws_12",              switchws,       {.id = 11} },
4685         { "ws_13",              switchws,       {.id = 12} },
4686         { "ws_14",              switchws,       {.id = 13} },
4687         { "ws_15",              switchws,       {.id = 14} },
4688         { "ws_16",              switchws,       {.id = 15} },
4689         { "ws_17",              switchws,       {.id = 16} },
4690         { "ws_18",              switchws,       {.id = 17} },
4691         { "ws_19",              switchws,       {.id = 18} },
4692         { "ws_20",              switchws,       {.id = 19} },
4693         { "ws_21",              switchws,       {.id = 20} },
4694         { "ws_22",              switchws,       {.id = 21} },
4695         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4696         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4697         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4698         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4699         { "ws_prior",           priorws,        {0} },
4700         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4701         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4702         { "mvws_1",             send_to_ws,     {.id = 0} },
4703         { "mvws_2",             send_to_ws,     {.id = 1} },
4704         { "mvws_3",             send_to_ws,     {.id = 2} },
4705         { "mvws_4",             send_to_ws,     {.id = 3} },
4706         { "mvws_5",             send_to_ws,     {.id = 4} },
4707         { "mvws_6",             send_to_ws,     {.id = 5} },
4708         { "mvws_7",             send_to_ws,     {.id = 6} },
4709         { "mvws_8",             send_to_ws,     {.id = 7} },
4710         { "mvws_9",             send_to_ws,     {.id = 8} },
4711         { "mvws_10",            send_to_ws,     {.id = 9} },
4712         { "mvws_11",            send_to_ws,     {.id = 10} },
4713         { "mvws_12",            send_to_ws,     {.id = 11} },
4714         { "mvws_13",            send_to_ws,     {.id = 12} },
4715         { "mvws_14",            send_to_ws,     {.id = 13} },
4716         { "mvws_15",            send_to_ws,     {.id = 14} },
4717         { "mvws_16",            send_to_ws,     {.id = 15} },
4718         { "mvws_17",            send_to_ws,     {.id = 16} },
4719         { "mvws_18",            send_to_ws,     {.id = 17} },
4720         { "mvws_19",            send_to_ws,     {.id = 18} },
4721         { "mvws_20",            send_to_ws,     {.id = 19} },
4722         { "mvws_21",            send_to_ws,     {.id = 20} },
4723         { "mvws_22",            send_to_ws,     {.id = 21} },
4724         { "bar_toggle",         bar_toggle,     {0} },
4725         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4726         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4727         { "float_toggle",       floating_toggle,{0} },
4728         { "version",            version,        {0} },
4729         { "spawn_custom",       dummykeyfunc,   {0} },
4730         { "iconify",            iconify,        {0} },
4731         { "uniconify",          uniconify,      {0} },
4732         { "raise_toggle",       raise_toggle,   {0} },
4733         { "button2",            pressbutton,    {2} },
4734         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4735         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4736         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4737         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4738         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4739         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4740         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4741         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4742         { "name_workspace",     name_workspace, {0} },
4743         { "search_workspace",   search_workspace,       {0} },
4744         { "search_win",         search_win,     {0} },
4745         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4746         { "invalid key func",   NULL,           {0} },
4747 };
4748 struct key {
4749         RB_ENTRY(key)           entry;
4750         unsigned int            mod;
4751         KeySym                  keysym;
4752         enum keyfuncid          funcid;
4753         char                    *spawn_name;
4754 };
4755 RB_HEAD(key_tree, key);
4756
4757 int
4758 key_cmp(struct key *kp1, struct key *kp2)
4759 {
4760         if (kp1->keysym < kp2->keysym)
4761                 return (-1);
4762         if (kp1->keysym > kp2->keysym)
4763                 return (1);
4764
4765         if (kp1->mod < kp2->mod)
4766                 return (-1);
4767         if (kp1->mod > kp2->mod)
4768                 return (1);
4769
4770         return (0);
4771 }
4772
4773 RB_GENERATE(key_tree, key, entry, key_cmp);
4774 struct key_tree                 keys;
4775
4776 /* mouse */
4777 enum { client_click, root_click };
4778 struct button {
4779         unsigned int            action;
4780         unsigned int            mask;
4781         unsigned int            button;
4782         void                    (*func)(struct ws_win *, union arg *);
4783         union arg               args;
4784 } buttons[] = {
4785           /* action     key             mouse button    func    args */
4786         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4787         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4788         { client_click, MODKEY,         Button1,        move,   {0} },
4789 };
4790
4791 void
4792 update_modkey(unsigned int mod)
4793 {
4794         int                     i;
4795         struct key              *kp;
4796
4797         mod_key = mod;
4798         RB_FOREACH(kp, key_tree, &keys)
4799                 if (kp->mod & ShiftMask)
4800                         kp->mod = mod | ShiftMask;
4801                 else
4802                         kp->mod = mod;
4803
4804         for (i = 0; i < LENGTH(buttons); i++)
4805                 if (buttons[i].mask & ShiftMask)
4806                         buttons[i].mask = mod | ShiftMask;
4807                 else
4808                         buttons[i].mask = mod;
4809 }
4810
4811 /* spawn */
4812 struct spawn_prog {
4813         TAILQ_ENTRY(spawn_prog) entry;
4814         char                    *name;
4815         int                     argc;
4816         char                    **argv;
4817 };
4818 TAILQ_HEAD(spawn_list, spawn_prog);
4819 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4820
4821 int
4822 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4823     char ***ret_args)
4824 {
4825         struct spawn_prog       *prog = NULL;
4826         int                     i;
4827         char                    *ap, **real_args;
4828
4829         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4830
4831         /* find program */
4832         TAILQ_FOREACH(prog, &spawns, entry) {
4833                 if (!strcasecmp(spawn_name, prog->name))
4834                         break;
4835         }
4836         if (prog == NULL) {
4837                 warnx("spawn_custom: program %s not found", spawn_name);
4838                 return (-1);
4839         }
4840
4841         /* make room for expanded args */
4842         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4843                 err(1, "spawn_custom: calloc real_args");
4844
4845         /* expand spawn_args into real_args */
4846         for (i = 0; i < prog->argc; i++) {
4847                 ap = prog->argv[i];
4848                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4849                 if (!strcasecmp(ap, "$bar_border")) {
4850                         if ((real_args[i] =
4851                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4852                             == NULL)
4853                                 err(1,  "spawn_custom border color");
4854                 } else if (!strcasecmp(ap, "$bar_color")) {
4855                         if ((real_args[i] =
4856                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4857                             == NULL)
4858                                 err(1, "spawn_custom bar color");
4859                 } else if (!strcasecmp(ap, "$bar_font")) {
4860                         if ((real_args[i] = strdup(bar_fonts))
4861                             == NULL)
4862                                 err(1, "spawn_custom bar fonts");
4863                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4864                         if ((real_args[i] =
4865                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4866                             == NULL)
4867                                 err(1, "spawn_custom color font");
4868                 } else if (!strcasecmp(ap, "$color_focus")) {
4869                         if ((real_args[i] =
4870                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4871                             == NULL)
4872                                 err(1, "spawn_custom color focus");
4873                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4874                         if ((real_args[i] =
4875                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4876                             == NULL)
4877                                 err(1, "spawn_custom color unfocus");
4878                 } else {
4879                         /* no match --> copy as is */
4880                         if ((real_args[i] = strdup(ap)) == NULL)
4881                                 err(1, "spawn_custom strdup(ap)");
4882                 }
4883                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4884                     real_args[i]);
4885         }
4886
4887 #ifdef SWM_DEBUG
4888         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4889         for (i = 0; i < prog->argc; i++)
4890                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4891         DNPRINTF(SWM_D_SPAWN, "\n");
4892 #endif
4893         *ret_args = real_args;
4894         return (prog->argc);
4895 }
4896
4897 void
4898 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4899 {
4900         union arg               a;
4901         char                    **real_args;
4902         int                     spawn_argc, i;
4903
4904         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4905                 return;
4906         a.argv = real_args;
4907         if (fork() == 0)
4908                 spawn(r->ws->idx, &a, 1);
4909
4910         for (i = 0; i < spawn_argc; i++)
4911                 free(real_args[i]);
4912         free(real_args);
4913 }
4914
4915 void
4916 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4917 {
4918         union arg               a;
4919         char                    **real_args;
4920         int                     i, spawn_argc;
4921
4922         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4923                 return;
4924         a.argv = real_args;
4925
4926         if (pipe(select_list_pipe) == -1)
4927                 err(1, "pipe error");
4928         if (pipe(select_resp_pipe) == -1)
4929                 err(1, "pipe error");
4930
4931         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4932                 err(1, "could not disable SIGPIPE");
4933         switch (*pid = fork()) {
4934         case -1:
4935                 err(1, "cannot fork");
4936                 break;
4937         case 0: /* child */
4938                 if (dup2(select_list_pipe[0], 0) == -1)
4939                         err(1, "dup2");
4940                 if (dup2(select_resp_pipe[1], 1) == -1)
4941                         err(1, "dup2");
4942                 close(select_list_pipe[1]);
4943                 close(select_resp_pipe[0]);
4944                 spawn(r->ws->idx, &a, 0);
4945                 break;
4946         default: /* parent */
4947                 close(select_list_pipe[0]);
4948                 close(select_resp_pipe[1]);
4949                 break;
4950         }
4951
4952         for (i = 0; i < spawn_argc; i++)
4953                 free(real_args[i]);
4954         free(real_args);
4955 }
4956
4957 void
4958 spawn_insert(char *name, char *args)
4959 {
4960         char                    *arg, *cp, *ptr;
4961         struct spawn_prog       *sp;
4962
4963         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4964
4965         if ((sp = calloc(1, sizeof *sp)) == NULL)
4966                 err(1, "spawn_insert: malloc");
4967         if ((sp->name = strdup(name)) == NULL)
4968                 err(1, "spawn_insert: strdup");
4969
4970         /* convert the arguments to an argument list */
4971         if ((ptr = cp = strdup(args)) == NULL)
4972                 err(1, "spawn_insert: strdup");
4973         while ((arg = strsep(&ptr, " \t")) != NULL) {
4974                 /* empty field; skip it */
4975                 if (*arg == '\0')
4976                         continue;
4977
4978                 sp->argc++;
4979                 if ((sp->argv = realloc(sp->argv, sp->argc *
4980                     sizeof *sp->argv)) == NULL)
4981                         err(1, "spawn_insert: realloc");
4982                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4983                         err(1, "spawn_insert: strdup");
4984         }
4985         free(cp);
4986
4987         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4988         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4989 }
4990
4991 void
4992 spawn_remove(struct spawn_prog *sp)
4993 {
4994         int                     i;
4995
4996         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4997
4998         TAILQ_REMOVE(&spawns, sp, entry);
4999         for (i = 0; i < sp->argc; i++)
5000                 free(sp->argv[i]);
5001         free(sp->argv);
5002         free(sp->name);
5003         free(sp);
5004
5005         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5006 }
5007
5008 void
5009 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5010 {
5011         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5012
5013         spawn_remove(sp);
5014         spawn_insert(name, args);
5015
5016         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5017 }
5018
5019 void
5020 setspawn(char *name, char *args)
5021 {
5022         struct spawn_prog       *sp;
5023
5024         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5025
5026         if (name == NULL)
5027                 return;
5028
5029         TAILQ_FOREACH(sp, &spawns, entry) {
5030                 if (!strcmp(sp->name, name)) {
5031                         if (*args == '\0')
5032                                 spawn_remove(sp);
5033                         else
5034                                 spawn_replace(sp, name, args);
5035                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5036                         return;
5037                 }
5038         }
5039         if (*args == '\0') {
5040                 warnx("error: setspawn: cannot find program: %s", name);
5041                 return;
5042         }
5043
5044         spawn_insert(name, args);
5045         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5046 }
5047
5048 int
5049 setconfspawn(char *selector, char *value, int flags)
5050 {
5051         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5052
5053         setspawn(selector, value);
5054
5055         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5056         return (0);
5057 }
5058
5059 void
5060 setup_spawn(void)
5061 {
5062         setconfspawn("term",            "xterm",                0);
5063         setconfspawn("spawn_term",      "xterm",                0);
5064         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5065         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5066         setconfspawn("lock",            "xlock",                0);
5067         setconfspawn("initscr",         "initscreen.sh",        0);
5068         setconfspawn("menu",            "dmenu_run"
5069                                         " -fn $bar_font"
5070                                         " -nb $bar_color"
5071                                         " -nf $bar_font_color"
5072                                         " -sb $bar_border"
5073                                         " -sf $bar_color",      0);
5074         setconfspawn("search",          "dmenu"
5075                                         " -i"
5076                                         " -fn $bar_font"
5077                                         " -nb $bar_color"
5078                                         " -nf $bar_font_color"
5079                                         " -sb $bar_border"
5080                                         " -sf $bar_color",      0);
5081         setconfspawn("name_workspace",  "dmenu"
5082                                         " -p Workspace"
5083                                         " -fn $bar_font"
5084                                         " -nb $bar_color"
5085                                         " -nf $bar_font_color"
5086                                         " -sb $bar_border"
5087                                         " -sf $bar_color",      0);
5088 }
5089
5090 /* key bindings */
5091 #define SWM_MODNAME_SIZE        32
5092 #define SWM_KEY_WS              "\n+ \t"
5093 int
5094 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5095 {
5096         char                    *cp, *name;
5097         KeySym                  uks;
5098         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5099         if (mod == NULL || ks == NULL) {
5100                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5101                 return (1);
5102         }
5103         if (keystr == NULL || strlen(keystr) == 0) {
5104                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5105                 return (1);
5106         }
5107         cp = keystr;
5108         *ks = NoSymbol;
5109         *mod = 0;
5110         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5111                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5112                 if (cp)
5113                         cp += (long)strspn(cp, SWM_KEY_WS);
5114                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5115                         *mod |= currmod;
5116                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5117                         *mod |= Mod1Mask;
5118                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5119                         *mod += Mod2Mask;
5120                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5121                         *mod |= Mod3Mask;
5122                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5123                         *mod |= Mod4Mask;
5124                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5125                         *mod |= ShiftMask;
5126                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5127                         *mod |= ControlMask;
5128                 else {
5129                         *ks = XStringToKeysym(name);
5130                         XConvertCase(*ks, ks, &uks);
5131                         if (ks == NoSymbol) {
5132                                 DNPRINTF(SWM_D_KEY,
5133                                     "parsekeys: invalid key %s\n",
5134                                     name);
5135                                 return (1);
5136                         }
5137                 }
5138         }
5139         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5140         return (0);
5141 }
5142
5143 char *
5144 strdupsafe(char *str)
5145 {
5146         if (str == NULL)
5147                 return (NULL);
5148         else
5149                 return (strdup(str));
5150 }
5151
5152 void
5153 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5154 {
5155         struct key              *kp;
5156
5157         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5158             keyfuncs[kfid].name, spawn_name);
5159
5160         if ((kp = malloc(sizeof *kp)) == NULL)
5161                 err(1, "key_insert: malloc");
5162
5163         kp->mod = mod;
5164         kp->keysym = ks;
5165         kp->funcid = kfid;
5166         kp->spawn_name = strdupsafe(spawn_name);
5167         RB_INSERT(key_tree, &keys, kp);
5168
5169         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5170 }
5171
5172 struct key *
5173 key_lookup(unsigned int mod, KeySym ks)
5174 {
5175         struct key              kp;
5176
5177         kp.keysym = ks;
5178         kp.mod = mod;
5179
5180         return (RB_FIND(key_tree, &keys, &kp));
5181 }
5182
5183 void
5184 key_remove(struct key *kp)
5185 {
5186         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5187
5188         RB_REMOVE(key_tree, &keys, kp);
5189         free(kp->spawn_name);
5190         free(kp);
5191
5192         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5193 }
5194
5195 void
5196 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5197     char *spawn_name)
5198 {
5199         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5200             spawn_name);
5201
5202         key_remove(kp);
5203         key_insert(mod, ks, kfid, spawn_name);
5204
5205         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5206 }
5207
5208 void
5209 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5210     char *spawn_name)
5211 {
5212         struct key              *kp;
5213
5214         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5215             keyfuncs[kfid].name, spawn_name);
5216
5217         if ((kp = key_lookup(mod, ks)) != NULL) {
5218                 if (kfid == kf_invalid)
5219                         key_remove(kp);
5220                 else
5221                         key_replace(kp, mod, ks, kfid, spawn_name);
5222                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5223                 return;
5224         }
5225         if (kfid == kf_invalid) {
5226                 warnx("error: setkeybinding: cannot find mod/key combination");
5227                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5228                 return;
5229         }
5230
5231         key_insert(mod, ks, kfid, spawn_name);
5232         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5233 }
5234
5235 int
5236 setconfbinding(char *selector, char *value, int flags)
5237 {
5238         enum keyfuncid          kfid;
5239         unsigned int            mod;
5240         KeySym                  ks;
5241         struct spawn_prog       *sp;
5242         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5243         if (selector == NULL) {
5244                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5245                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5246                         kfid = kf_invalid;
5247                         setkeybinding(mod, ks, kfid, NULL);
5248                         return (0);
5249                 } else
5250                         return (1);
5251         }
5252         /* search by key function name */
5253         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5254                 if (strncasecmp(selector, keyfuncs[kfid].name,
5255                     SWM_FUNCNAME_LEN) == 0) {
5256                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5257                             selector);
5258                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5259                                 setkeybinding(mod, ks, kfid, NULL);
5260                                 return (0);
5261                         } else
5262                                 return (1);
5263                 }
5264         }
5265         /* search by custom spawn name */
5266         TAILQ_FOREACH(sp, &spawns, entry) {
5267                 if (strcasecmp(selector, sp->name) == 0) {
5268                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5269                             selector);
5270                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5271                                 setkeybinding(mod, ks, kf_spawn_custom,
5272                                     sp->name);
5273                                 return (0);
5274                         } else
5275                                 return (1);
5276                 }
5277         }
5278         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5279         return (1);
5280 }
5281
5282 void
5283 setup_keys(void)
5284 {
5285         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5286         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5287         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5288         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5289         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5290         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5291         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5292         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5293         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5294         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5295         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5296         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5297         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5298         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5299         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5300         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5301         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5302         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5303         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5304         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5305         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5306         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5307         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5308         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5309         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5310         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5311         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5312         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5313         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5314         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5315         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5316         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5317         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5318         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5319         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5320         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5321         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5322         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5323         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5324         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5325         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5326         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5327         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5328         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5329         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5330         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5331         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5332         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5333         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5334         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5335         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5336         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5337         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5338         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5339         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5340         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5341         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5342         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5343         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5344         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5345         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5346         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5347         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5348         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5349         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5350         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5352         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5353         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5354         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5355         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5356         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5357         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5358         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5359         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5360         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5361         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5362         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5363         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5365         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5366         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5367         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5368         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5369         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5370         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5371         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5372         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5373         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5374         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5375         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5376         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5377         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5379         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5380         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5381 #ifdef SWM_DEBUG
5382         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5383 #endif
5384 }
5385
5386 void
5387 clear_keys(void)
5388 {
5389         struct key              *kp;
5390
5391         while (RB_EMPTY(&keys) == 0) {
5392                 kp = RB_ROOT(&keys);
5393                 key_remove(kp);
5394         }
5395 }
5396
5397 int
5398 setkeymapping(char *selector, char *value, int flags)
5399 {
5400         char                    keymapping_file[PATH_MAX];
5401         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5402         if (value[0] == '~')
5403                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5404                     pwd->pw_dir, &value[1]);
5405         else
5406                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5407         clear_keys();
5408         /* load new key bindings; if it fails, revert to default bindings */
5409         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5410                 clear_keys();
5411                 setup_keys();
5412         }
5413         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5414         return (0);
5415 }
5416
5417 void
5418 updatenumlockmask(void)
5419 {
5420         unsigned int            i, j;
5421         XModifierKeymap         *modmap;
5422
5423         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5424         numlockmask = 0;
5425         modmap = XGetModifierMapping(display);
5426         for (i = 0; i < 8; i++)
5427                 for (j = 0; j < modmap->max_keypermod; j++)
5428                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5429                             == XKeysymToKeycode(display, XK_Num_Lock))
5430                                 numlockmask = (1 << i);
5431
5432         XFreeModifiermap(modmap);
5433 }
5434
5435 void
5436 grabkeys(void)
5437 {
5438         int                     num_screens;
5439         unsigned int            j, k;
5440         KeyCode                 code;
5441         unsigned int            modifiers[] =
5442             { 0, LockMask, numlockmask, numlockmask | LockMask };
5443         struct key              *kp;
5444
5445         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5446         updatenumlockmask();
5447
5448         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5449         for (k = 0; k < num_screens; k++) {
5450                 if (TAILQ_EMPTY(&screens[k].rl))
5451                         continue;
5452                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5453                         XCB_MOD_MASK_ANY);
5454                 RB_FOREACH(kp, key_tree, &keys) {
5455                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5456                                 for (j = 0; j < LENGTH(modifiers); j++)
5457                                         XGrabKey(display, code,
5458                                             kp->mod | modifiers[j],
5459                                             screens[k].root, True,
5460                                             GrabModeAsync, GrabModeAsync);
5461                 }
5462         }
5463 }
5464
5465 void
5466 grabbuttons(struct ws_win *win, int focused)
5467 {
5468         unsigned int            i, j;
5469         unsigned int            modifiers[] =
5470             { 0, LockMask, numlockmask, numlockmask|LockMask };
5471
5472         updatenumlockmask();
5473         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5474                 XCB_BUTTON_MASK_ANY);
5475         if (focused) {
5476                 for (i = 0; i < LENGTH(buttons); i++)
5477                         if (buttons[i].action == client_click)
5478                                 for (j = 0; j < LENGTH(modifiers); j++)
5479                                         xcb_grab_button(conn, False, win->id,
5480                                                 BUTTONMASK,
5481                                                 XCB_GRAB_MODE_ASYNC,
5482                                                 XCB_GRAB_MODE_SYNC,
5483                                                 XCB_WINDOW_NONE,
5484                                                 XCB_CURSOR_NONE,
5485                                                 buttons[i].button,
5486                                                 buttons[i].mask);
5487         } else
5488                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5489                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5490                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5491                         XCB_BUTTON_MASK_ANY);
5492 }
5493
5494 const char *quirkname[] = {
5495         "NONE",         /* config string for "no value" */
5496         "FLOAT",
5497         "TRANSSZ",
5498         "ANYWHERE",
5499         "XTERM_FONTADJ",
5500         "FULLSCREEN",
5501         "FOCUSPREV",
5502 };
5503
5504 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5505 #define SWM_Q_WS                "\n|+ \t"
5506 int
5507 parsequirks(char *qstr, unsigned long *quirk)
5508 {
5509         char                    *cp, *name;
5510         int                     i;
5511
5512         if (quirk == NULL)
5513                 return (1);
5514
5515         cp = qstr;
5516         *quirk = 0;
5517         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5518                 if (cp)
5519                         cp += (long)strspn(cp, SWM_Q_WS);
5520                 for (i = 0; i < LENGTH(quirkname); i++) {
5521                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5522                                 DNPRINTF(SWM_D_QUIRK,
5523                                     "parsequirks: %s\n", name);
5524                                 if (i == 0) {
5525                                         *quirk = 0;
5526                                         return (0);
5527                                 }
5528                                 *quirk |= 1 << (i-1);
5529                                 break;
5530                         }
5531                 }
5532                 if (i >= LENGTH(quirkname)) {
5533                         DNPRINTF(SWM_D_QUIRK,
5534                             "parsequirks: invalid quirk [%s]\n", name);
5535                         return (1);
5536                 }
5537         }
5538         return (0);
5539 }
5540
5541 void
5542 quirk_insert(const char *class, const char *name, unsigned long quirk)
5543 {
5544         struct quirk            *qp;
5545
5546         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5547             quirk);
5548
5549         if ((qp = malloc(sizeof *qp)) == NULL)
5550                 err(1, "quirk_insert: malloc");
5551         if ((qp->class = strdup(class)) == NULL)
5552                 err(1, "quirk_insert: strdup");
5553         if ((qp->name = strdup(name)) == NULL)
5554                 err(1, "quirk_insert: strdup");
5555
5556         qp->quirk = quirk;
5557         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5558
5559         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5560 }
5561
5562 void
5563 quirk_remove(struct quirk *qp)
5564 {
5565         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5566             qp->name, qp->quirk);
5567
5568         TAILQ_REMOVE(&quirks, qp, entry);
5569         free(qp->class);
5570         free(qp->name);
5571         free(qp);
5572
5573         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5574 }
5575
5576 void
5577 quirk_replace(struct quirk *qp, const char *class, const char *name,
5578     unsigned long quirk)
5579 {
5580         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5581             qp->name, qp->quirk);
5582
5583         quirk_remove(qp);
5584         quirk_insert(class, name, quirk);
5585
5586         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5587 }
5588
5589 void
5590 setquirk(const char *class, const char *name, unsigned long quirk)
5591 {
5592         struct quirk            *qp;
5593
5594         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5595            quirk);
5596
5597         TAILQ_FOREACH(qp, &quirks, entry) {
5598                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5599                         if (!quirk)
5600                                 quirk_remove(qp);
5601                         else
5602                                 quirk_replace(qp, class, name, quirk);
5603                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5604                         return;
5605                 }
5606         }
5607         if (!quirk) {
5608                 warnx("error: setquirk: cannot find class/name combination");
5609                 return;
5610         }
5611
5612         quirk_insert(class, name, quirk);
5613         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5614 }
5615
5616 int
5617 setconfquirk(char *selector, char *value, int flags)
5618 {
5619         char                    *cp, *class, *name;
5620         int                     retval;
5621         unsigned long           quirks;
5622         if (selector == NULL)
5623                 return (0);
5624         if ((cp = strchr(selector, ':')) == NULL)
5625                 return (0);
5626         *cp = '\0';
5627         class = selector;
5628         name = cp + 1;
5629         if ((retval = parsequirks(value, &quirks)) == 0)
5630                 setquirk(class, name, quirks);
5631         return (retval);
5632 }
5633
5634 void
5635 setup_quirks(void)
5636 {
5637         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5638         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5639         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5640         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5641         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5642         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5643         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5644         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5645         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5646         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5647         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5648         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5649         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5650 }
5651
5652 /* conf file stuff */
5653 #define SWM_CONF_FILE           "spectrwm.conf"
5654 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5655
5656 enum {
5657         SWM_S_BAR_ACTION,
5658         SWM_S_BAR_AT_BOTTOM,
5659         SWM_S_BAR_BORDER_WIDTH,
5660         SWM_S_BAR_DELAY,
5661         SWM_S_BAR_ENABLED,
5662         SWM_S_BAR_FONT,
5663         SWM_S_BAR_FORMAT,
5664         SWM_S_BAR_JUSTIFY,
5665         SWM_S_BORDER_WIDTH,
5666         SWM_S_CLOCK_ENABLED,
5667         SWM_S_CLOCK_FORMAT,
5668         SWM_S_CYCLE_EMPTY,
5669         SWM_S_CYCLE_VISIBLE,
5670         SWM_S_DIALOG_RATIO,
5671         SWM_S_DISABLE_BORDER,
5672         SWM_S_FOCUS_CLOSE,
5673         SWM_S_FOCUS_CLOSE_WRAP,
5674         SWM_S_FOCUS_DEFAULT,
5675         SWM_S_FOCUS_MODE,
5676         SWM_S_SPAWN_ORDER,
5677         SWM_S_SPAWN_TERM,
5678         SWM_S_SS_APP,
5679         SWM_S_SS_ENABLED,
5680         SWM_S_STACK_ENABLED,
5681         SWM_S_TERM_WIDTH,
5682         SWM_S_TITLE_CLASS_ENABLED,
5683         SWM_S_TITLE_NAME_ENABLED,
5684         SWM_S_URGENT_ENABLED,
5685         SWM_S_VERBOSE_LAYOUT,
5686         SWM_S_WINDOW_NAME_ENABLED,
5687         SWM_S_WORKSPACE_LIMIT
5688 };
5689
5690 int
5691 setconfvalue(char *selector, char *value, int flags)
5692 {
5693         int     i;
5694         char    *b;
5695
5696         switch (flags) {
5697         case SWM_S_BAR_ACTION:
5698                 free(bar_argv[0]);
5699                 if ((bar_argv[0] = strdup(value)) == NULL)
5700                         err(1, "setconfvalue: bar_action");
5701                 break;
5702         case SWM_S_BAR_AT_BOTTOM:
5703                 bar_at_bottom = atoi(value);
5704                 break;
5705         case SWM_S_BAR_BORDER_WIDTH:
5706                 bar_border_width = atoi(value);
5707                 if (bar_border_width < 0)
5708                         bar_border_width = 0;
5709                 break;
5710         case SWM_S_BAR_DELAY:
5711                 bar_delay = atoi(value);
5712                 break;
5713         case SWM_S_BAR_ENABLED:
5714                 bar_enabled = atoi(value);
5715                 break;
5716         case SWM_S_BAR_FONT:
5717                 b = bar_fonts;
5718                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5719                         err(1, "setconfvalue: asprintf: failed to allocate "
5720                                 "memory for bar_fonts.");
5721
5722                 free(b);
5723                 break;
5724         case SWM_S_BAR_FORMAT:
5725                 free(bar_format);
5726                 if ((bar_format = strdup(value)) == NULL)
5727                         err(1, "setconfvalue: bar_format");
5728                 break;
5729         case SWM_S_BAR_JUSTIFY:
5730                 if (!strcmp(value, "left"))
5731                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5732                 else if (!strcmp(value, "center"))
5733                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5734                 else if (!strcmp(value, "right"))
5735                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5736                 else
5737                         errx(1, "invalid bar_justify");
5738                 break;
5739         case SWM_S_BORDER_WIDTH:
5740                 border_width = atoi(value);
5741                 if (border_width < 0)
5742                         border_width = 0;
5743                 break;
5744         case SWM_S_CLOCK_ENABLED:
5745                 clock_enabled = atoi(value);
5746                 break;
5747         case SWM_S_CLOCK_FORMAT:
5748 #ifndef SWM_DENY_CLOCK_FORMAT
5749                 free(clock_format);
5750                 if ((clock_format = strdup(value)) == NULL)
5751                         err(1, "setconfvalue: clock_format");
5752 #endif
5753                 break;
5754         case SWM_S_CYCLE_EMPTY:
5755                 cycle_empty = atoi(value);
5756                 break;
5757         case SWM_S_CYCLE_VISIBLE:
5758                 cycle_visible = atoi(value);
5759                 break;
5760         case SWM_S_DIALOG_RATIO:
5761                 dialog_ratio = atof(value);
5762                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5763                         dialog_ratio = .6;
5764                 break;
5765         case SWM_S_DISABLE_BORDER:
5766                 disable_border = atoi(value);
5767                 break;
5768         case SWM_S_FOCUS_CLOSE:
5769                 if (!strcmp(value, "first"))
5770                         focus_close = SWM_STACK_BOTTOM;
5771                 else if (!strcmp(value, "last"))
5772                         focus_close = SWM_STACK_TOP;
5773                 else if (!strcmp(value, "next"))
5774                         focus_close = SWM_STACK_ABOVE;
5775                 else if (!strcmp(value, "previous"))
5776                         focus_close = SWM_STACK_BELOW;
5777                 else
5778                         errx(1, "focus_close");
5779                 break;
5780         case SWM_S_FOCUS_CLOSE_WRAP:
5781                 focus_close_wrap = atoi(value);
5782                 break;
5783         case SWM_S_FOCUS_DEFAULT:
5784                 if (!strcmp(value, "last"))
5785                         focus_default = SWM_STACK_TOP;
5786                 else if (!strcmp(value, "first"))
5787                         focus_default = SWM_STACK_BOTTOM;
5788                 else
5789                         errx(1, "focus_default");
5790                 break;
5791         case SWM_S_FOCUS_MODE:
5792                 if (!strcmp(value, "default"))
5793                         focus_mode = SWM_FOCUS_DEFAULT;
5794                 else if (!strcmp(value, "follow_cursor"))
5795                         focus_mode = SWM_FOCUS_FOLLOW;
5796                 else if (!strcmp(value, "synergy"))
5797                         focus_mode = SWM_FOCUS_SYNERGY;
5798                 else
5799                         errx(1, "focus_mode");
5800                 break;
5801         case SWM_S_SPAWN_ORDER:
5802                 if (!strcmp(value, "first"))
5803                         spawn_position = SWM_STACK_BOTTOM;
5804                 else if (!strcmp(value, "last"))
5805                         spawn_position = SWM_STACK_TOP;
5806                 else if (!strcmp(value, "next"))
5807                         spawn_position = SWM_STACK_ABOVE;
5808                 else if (!strcmp(value, "previous"))
5809                         spawn_position = SWM_STACK_BELOW;
5810                 else
5811                         errx(1, "spawn_position");
5812                 break;
5813         case SWM_S_SPAWN_TERM:
5814                 setconfspawn("term", value, 0);
5815                 setconfspawn("spawn_term", value, 0);
5816                 break;
5817         case SWM_S_SS_APP:
5818                 break;
5819         case SWM_S_SS_ENABLED:
5820                 ss_enabled = atoi(value);
5821                 break;
5822         case SWM_S_STACK_ENABLED:
5823                 stack_enabled = atoi(value);
5824                 break;
5825         case SWM_S_TERM_WIDTH:
5826                 term_width = atoi(value);
5827                 if (term_width < 0)
5828                         term_width = 0;
5829                 break;
5830         case SWM_S_TITLE_CLASS_ENABLED:
5831                 title_class_enabled = atoi(value);
5832                 break;
5833         case SWM_S_TITLE_NAME_ENABLED:
5834                 title_name_enabled = atoi(value);
5835                 break;
5836         case SWM_S_URGENT_ENABLED:
5837                 urgent_enabled = atoi(value);
5838                 break;
5839         case SWM_S_VERBOSE_LAYOUT:
5840                 verbose_layout = atoi(value);
5841                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5842                         if (verbose_layout)
5843                                 layouts[i].l_string = fancy_stacker;
5844                         else
5845                                 layouts[i].l_string = plain_stacker;
5846                 }
5847                 break;
5848         case SWM_S_WINDOW_NAME_ENABLED:
5849                 window_name_enabled = atoi(value);
5850                 break;
5851         case SWM_S_WORKSPACE_LIMIT:
5852                 workspace_limit = atoi(value);
5853                 if (workspace_limit > SWM_WS_MAX)
5854                         workspace_limit = SWM_WS_MAX;
5855                 else if (workspace_limit < 1)
5856                         workspace_limit = 1;
5857                 break;
5858         default:
5859                 return (1);
5860         }
5861         return (0);
5862 }
5863
5864 int
5865 setconfmodkey(char *selector, char *value, int flags)
5866 {
5867         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5868                 update_modkey(Mod1Mask);
5869         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5870                 update_modkey(Mod2Mask);
5871         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5872                 update_modkey(Mod3Mask);
5873         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5874                 update_modkey(Mod4Mask);
5875         else
5876                 return (1);
5877         return (0);
5878 }
5879
5880 int
5881 setconfcolor(char *selector, char *value, int flags)
5882 {
5883         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5884         return (0);
5885 }
5886
5887 int
5888 setconfregion(char *selector, char *value, int flags)
5889 {
5890         custom_region(value);
5891         return (0);
5892 }
5893
5894 int
5895 setautorun(char *selector, char *value, int flags)
5896 {
5897         int                     ws_id;
5898         char                    s[1024];
5899         char                    *ap, *sp = s;
5900         union arg               a;
5901         int                     argc = 0;
5902         long                    pid;
5903         struct pid_e            *p;
5904
5905         if (getenv("SWM_STARTED"))
5906                 return (0);
5907
5908         bzero(s, sizeof s);
5909         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5910                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5911         ws_id--;
5912         if (ws_id < 0 || ws_id >= workspace_limit)
5913                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5914
5915         /*
5916          * This is a little intricate
5917          *
5918          * If the pid already exists we simply reuse it because it means it was
5919          * used before AND not claimed by manage_window.  We get away with
5920          * altering it in the parent after INSERT because this can not be a race
5921          */
5922         a.argv = NULL;
5923         while ((ap = strsep(&sp, " \t")) != NULL) {
5924                 if (*ap == '\0')
5925                         continue;
5926                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5927                 argc++;
5928                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5929                         err(1, "setautorun: realloc");
5930                 a.argv[argc - 1] = ap;
5931         }
5932
5933         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5934                 err(1, "setautorun: realloc");
5935         a.argv[argc] = NULL;
5936
5937         if ((pid = fork()) == 0) {
5938                 spawn(ws_id, &a, 1);
5939                 /* NOTREACHED */
5940                 _exit(1);
5941         }
5942         free(a.argv);
5943
5944         /* parent */
5945         p = find_pid(pid);
5946         if (p == NULL) {
5947                 p = calloc(1, sizeof *p);
5948                 if (p == NULL)
5949                         return (1);
5950                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5951         }
5952
5953         p->pid = pid;
5954         p->ws = ws_id;
5955
5956         return (0);
5957 }
5958
5959 int
5960 setlayout(char *selector, char *value, int flags)
5961 {
5962         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5963         int                     st = SWM_V_STACK, num_screens;
5964         char                    s[1024];
5965         struct workspace        *ws;
5966
5967         if (getenv("SWM_STARTED"))
5968                 return (0);
5969
5970         bzero(s, sizeof s);
5971         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5972             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5973                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5974                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5975                     "<type>'");
5976         ws_id--;
5977         if (ws_id < 0 || ws_id >= workspace_limit)
5978                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5979
5980         if (!strcasecmp(s, "vertical"))
5981                 st = SWM_V_STACK;
5982         else if (!strcasecmp(s, "vertical_flip")) {
5983                 st = SWM_V_STACK;
5984                 f = 1;
5985         } else if (!strcasecmp(s, "horizontal"))
5986                 st = SWM_H_STACK;
5987         else if (!strcasecmp(s, "horizontal_flip")) {
5988                 st = SWM_H_STACK;
5989                 f = 1;
5990         } else if (!strcasecmp(s, "fullscreen"))
5991                 st = SWM_MAX_STACK;
5992         else
5993                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5994                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5995                     "<type>'");
5996
5997         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5998         for (i = 0; i < num_screens; i++) {
5999                 ws = (struct workspace *)&screens[i].ws;
6000                 ws[ws_id].cur_layout = &layouts[st];
6001
6002                 ws[ws_id].always_raise = raise;
6003                 if (st == SWM_MAX_STACK)
6004                         continue;
6005
6006                 /* master grow */
6007                 for (x = 0; x < abs(mg); x++) {
6008                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6009                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6010                             SWM_ARG_ID_MASTERSHRINK);
6011                         stack();
6012                 }
6013                 /* master add */
6014                 for (x = 0; x < abs(ma); x++) {
6015                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6016                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6017                             SWM_ARG_ID_MASTERDEL);
6018                         stack();
6019                 }
6020                 /* stack inc */
6021                 for (x = 0; x < abs(si); x++) {
6022                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6023                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6024                             SWM_ARG_ID_STACKDEC);
6025                         stack();
6026                 }
6027                 /* Apply flip */
6028                 if (f) {
6029                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6030                             SWM_ARG_ID_FLIPLAYOUT);
6031                         stack();
6032                 }
6033         }
6034
6035         return (0);
6036 }
6037
6038 /* config options */
6039 struct config_option {
6040         char                    *optname;
6041         int                     (*func)(char*, char*, int);
6042         int                     funcflags;
6043 };
6044 struct config_option configopt[] = {
6045         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6046         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6047         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6048         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6049         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6050         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6051         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6052         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6053         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6054         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6055         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6056         { "keyboard_mapping",           setkeymapping,  0 },
6057         { "bind",                       setconfbinding, 0 },
6058         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6059         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6060         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6061         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6062         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6063         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6064         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6065         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6066         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6067         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6068         { "modkey",                     setconfmodkey,  0 },
6069         { "program",                    setconfspawn,   0 },
6070         { "quirk",                      setconfquirk,   0 },
6071         { "region",                     setconfregion,  0 },
6072         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6073         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6074         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6075         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6076         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6077         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6078         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6079         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6080         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6081         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6082         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6083         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6084         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6085         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6086         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6087         { "autorun",                    setautorun,     0 },
6088         { "layout",                     setlayout,      0 },
6089 };
6090
6091
6092 int
6093 conf_load(char *filename, int keymapping)
6094 {
6095         FILE                    *config;
6096         char                    *line, *cp, *optsub, *optval;
6097         size_t                  linelen, lineno = 0;
6098         int                     wordlen, i, optind;
6099         struct config_option    *opt;
6100
6101         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6102
6103         if (filename == NULL) {
6104                 warnx("conf_load: no filename");
6105                 return (1);
6106         }
6107         if ((config = fopen(filename, "r")) == NULL) {
6108                 warn("conf_load: fopen: %s", filename);
6109                 return (1);
6110         }
6111
6112         while (!feof(config)) {
6113                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6114                     == NULL) {
6115                         if (ferror(config))
6116                                 err(1, "%s", filename);
6117                         else
6118                                 continue;
6119                 }
6120                 cp = line;
6121                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6122                 if (cp[0] == '\0') {
6123                         /* empty line */
6124                         free(line);
6125                         continue;
6126                 }
6127                 /* get config option */
6128                 wordlen = strcspn(cp, "=[ \t\n");
6129                 if (wordlen == 0) {
6130                         warnx("%s: line %zd: no option found",
6131                             filename, lineno);
6132                         goto out;
6133                 }
6134                 optind = -1;
6135                 for (i = 0; i < LENGTH(configopt); i++) {
6136                         opt = &configopt[i];
6137                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6138                             strlen(opt->optname) == wordlen) {
6139                                 optind = i;
6140                                 break;
6141                         }
6142                 }
6143                 if (optind == -1) {
6144                         warnx("%s: line %zd: unknown option %.*s",
6145                             filename, lineno, wordlen, cp);
6146                         goto out;
6147                 }
6148                 if (keymapping && strcmp(opt->optname, "bind")) {
6149                         warnx("%s: line %zd: invalid option %.*s",
6150                             filename, lineno, wordlen, cp);
6151                         goto out;
6152                 }
6153                 cp += wordlen;
6154                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6155                 /* get [selector] if any */
6156                 optsub = NULL;
6157                 if (*cp == '[') {
6158                         cp++;
6159                         wordlen = strcspn(cp, "]");
6160                         if (*cp != ']') {
6161                                 if (wordlen == 0) {
6162                                         warnx("%s: line %zd: syntax error",
6163                                             filename, lineno);
6164                                         goto out;
6165                                 }
6166
6167                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6168                                     -1) {
6169                                         warnx("%s: line %zd: unable to allocate"
6170                                             "memory for selector", filename,
6171                                             lineno);
6172                                         goto out;
6173                                 }
6174                         }
6175                         cp += wordlen;
6176                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6177                 }
6178                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6179                 /* get RHS value */
6180                 optval = strdup(cp);
6181                 /* call function to deal with it all */
6182                 if (configopt[optind].func(optsub, optval,
6183                     configopt[optind].funcflags) != 0)
6184                         errx(1, "%s: line %zd: invalid data for %s",
6185                             filename, lineno, configopt[optind].optname);
6186                 free(optval);
6187                 free(optsub);
6188                 free(line);
6189         }
6190
6191         fclose(config);
6192         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6193
6194         return (0);
6195
6196 out:
6197         free(line);
6198         fclose(config);
6199         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6200
6201         return (1);
6202 }
6203
6204 void
6205 set_child_transient(struct ws_win *win, Window *trans)
6206 {
6207         struct ws_win           *parent, *w;
6208         XWMHints                *wmh = NULL;
6209         struct swm_region       *r;
6210         struct workspace        *ws;
6211
6212         parent = find_window(win->transient);
6213         if (parent)
6214                 parent->child_trans = win;
6215         else {
6216                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6217                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6218
6219                 if (win->hints == NULL) {
6220                         warnx("no hints for 0x%x", win->id);
6221                         return;
6222                 }
6223
6224                 r = root_to_region(win->wa.root);
6225                 ws = r->ws;
6226                 /* parent doen't exist in our window list */
6227                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6228                         if (wmh)
6229                                 XFree(wmh);
6230
6231                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6232                                 warnx("can't get hints for 0x%x", w->id);
6233                                 continue;
6234                         }
6235
6236                         if (win->hints->window_group != wmh->window_group)
6237                                 continue;
6238
6239                         w->child_trans = win;
6240                         win->transient = w->id;
6241                         *trans = w->id;
6242                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6243                             "transient to 0x%x\n", win->transient);
6244                         break;
6245                 }
6246         }
6247
6248         if (wmh)
6249                 XFree(wmh);
6250 }
6251
6252 long
6253 window_get_pid(xcb_window_t win)
6254 {
6255         long                            ret = 0;
6256         const char                      *errstr;
6257         xcb_atom_t                      apid;
6258         xcb_get_property_cookie_t       pc;
6259         xcb_get_property_reply_t        *pr;
6260
6261         apid = get_atom_from_string("_NET_WM_PID");
6262         if (apid == XCB_ATOM_NONE)
6263                 goto tryharder;
6264
6265         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6266         pr = xcb_get_property_reply(conn, pc, NULL);
6267         if (!pr)
6268                 goto tryharder;
6269         if (pr->type != XCB_ATOM_CARDINAL)
6270                 goto tryharder;
6271
6272         ret = *(long *)xcb_get_property_value(pr);
6273         free(pr);
6274
6275         return (ret);
6276
6277 tryharder:
6278         apid = get_atom_from_string("_SWM_PID");
6279         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6280                 0, SWM_PROPLEN);
6281         pr = xcb_get_property_reply(conn, pc, NULL);
6282         if (!pr)
6283                 return (0);
6284         if (pr->type != XCB_ATOM_STRING)
6285                 free(pr);
6286                 return (0);
6287         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6288         free(pr);
6289
6290         return (ret);
6291 }
6292
6293 struct ws_win *
6294 manage_window(xcb_window_t id)
6295 {
6296         Window                  trans = 0;
6297         struct workspace        *ws;
6298         struct ws_win           *win, *ww;
6299         int                     format, i, ws_idx, n, border_me = 0;
6300         unsigned long           nitems, bytes;
6301         Atom                    ws_idx_atom = 0, type;
6302         Atom                    *prot = NULL, *pp;
6303         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6304         struct swm_region       *r;
6305         const char              *errstr;
6306         struct pid_e            *p;
6307         struct quirk            *qp;
6308         uint32_t                event_mask;
6309
6310         if ((win = find_window(id)) != NULL)
6311                 return (win);   /* already being managed */
6312
6313         /* see if we are on the unmanaged list */
6314         if ((win = find_unmanaged_window(id)) != NULL) {
6315                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6316                     "window: 0x%lx\n", win->id);
6317                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6318                 if (win->transient)
6319                         set_child_transient(win, &trans);
6320
6321                 if (trans && (ww = find_window(trans)))
6322                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6323                 else if ((ww = win->ws->focus) &&
6324                     spawn_position == SWM_STACK_ABOVE)
6325                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6326                             win, entry);
6327                 else if (ww && spawn_position == SWM_STACK_BELOW)
6328                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6329                 else switch (spawn_position) {
6330                 default:
6331                 case SWM_STACK_TOP:
6332                 case SWM_STACK_ABOVE:
6333                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6334                         break;
6335                 case SWM_STACK_BOTTOM:
6336                 case SWM_STACK_BELOW:
6337                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6338                 }
6339
6340                 ewmh_update_actions(win);
6341                 return (win);
6342         }
6343
6344         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6345                 err(1, "manage_window: calloc: failed to allocate memory for "
6346                     "new window");
6347
6348         win->id = id;
6349         win->bordered = 0;
6350
6351         /* see if we need to override the workspace */
6352         p = find_pid(window_get_pid(id));
6353
6354         /* Get all the window data in one shot */
6355         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6356         if (ws_idx_atom) {
6357                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6358                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6359         }
6360         XGetWindowAttributes(display, id, &win->wa);
6361         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6362         win->hints = XGetWMHints(display, id);
6363         XGetTransientForHint(display, id, &trans);
6364         if (trans) {
6365                 win->transient = trans;
6366                 set_child_transient(win, &trans);
6367                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6368                     "transient: 0x%lx\n", win->id, win->transient);
6369         }
6370
6371         /* get supported protocols */
6372         if (XGetWMProtocols(display, id, &prot, &n)) {
6373                 for (i = 0, pp = prot; i < n; i++, pp++) {
6374                         if (*pp == takefocus)
6375                                 win->take_focus = 1;
6376                         if (*pp == adelete)
6377                                 win->can_delete = 1;
6378                 }
6379                 if (prot)
6380                         XFree(prot);
6381         }
6382
6383         win->iconic = get_iconic(win);
6384
6385         /*
6386          * Figure out where to put the window. If it was previously assigned to
6387          * a workspace (either by spawn() or manually moving), and isn't
6388          * transient, * put it in the same workspace
6389          */
6390         r = root_to_region(win->wa.root);
6391         if (p) {
6392                 ws = &r->s->ws[p->ws];
6393                 TAILQ_REMOVE(&pidlist, p, entry);
6394                 free(p);
6395                 p = NULL;
6396         } else if (prop && win->transient == 0) {
6397                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6398                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6399                     &errstr);
6400                 if (errstr) {
6401                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6402                             errstr, prop);
6403                 }
6404                 ws = &r->s->ws[ws_idx];
6405         } else {
6406                 ws = r->ws;
6407                 /* this should launch transients in the same ws as parent */
6408                 if (id && trans)
6409                         if ((ww = find_window(trans)) != NULL)
6410                                 if (ws->r) {
6411                                         ws = ww->ws;
6412                                         if (ww->ws->r)
6413                                                 r = ww->ws->r;
6414                                         else
6415                                                 warnx("manage_window: fix this "
6416                                                     "bug mcbride");
6417                                         border_me = 1;
6418                                 }
6419         }
6420
6421         /* set up the window layout */
6422         win->id = id;
6423         win->ws = ws;
6424         win->s = r->s;  /* this never changes */
6425         if (trans && (ww = find_window(trans)))
6426                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6427         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6428                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6429                     entry);
6430         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6431                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6432         else switch (spawn_position) {
6433         default:
6434         case SWM_STACK_TOP:
6435         case SWM_STACK_ABOVE:
6436                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6437                 break;
6438         case SWM_STACK_BOTTOM:
6439         case SWM_STACK_BELOW:
6440                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6441         }
6442
6443         /* ignore window border if there is one. */
6444         WIDTH(win) = win->wa.width;
6445         HEIGHT(win) = win->wa.height;
6446         X(win) = win->wa.x + win->wa.border_width;
6447         Y(win) = win->wa.y + win->wa.border_width;
6448         win->bordered = 0;
6449         win->g_floatvalid = 0;
6450         win->floatmaxed = 0;
6451         win->ewmh_flags = 0;
6452
6453         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6454             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6455             HEIGHT(win), ws->idx);
6456
6457         constrain_window(win, r, 0);
6458
6459         /* Set window properties so we can remember this after reincarnation */
6460         if (ws_idx_atom && prop == NULL &&
6461             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6462                 SWM_PROPLEN) {
6463                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6464                     ws_idx_str);
6465                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6466                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6467         }
6468         if (prop)
6469                 XFree(prop);
6470
6471         ewmh_autoquirk(win);
6472
6473         if (XGetClassHint(display, win->id, &win->ch)) {
6474                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6475                     win->ch.res_class, win->ch.res_name);
6476
6477                 /* java is retarded so treat it special */
6478                 if (strstr(win->ch.res_name, "sun-awt")) {
6479                         win->java = 1;
6480                         border_me = 1;
6481                 }
6482
6483                 TAILQ_FOREACH(qp, &quirks, entry) {
6484                         if (!strcmp(win->ch.res_class, qp->class) &&
6485                             !strcmp(win->ch.res_name, qp->name)) {
6486                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6487                                     "class: %s, name: %s\n", win->ch.res_class,
6488                                     win->ch.res_name);
6489                                 if (qp->quirk & SWM_Q_FLOAT) {
6490                                         win->floating = 1;
6491                                         border_me = 1;
6492                                 }
6493                                 win->quirks = qp->quirk;
6494                         }
6495                 }
6496         }
6497
6498         /* alter window position if quirky */
6499         if (win->quirks & SWM_Q_ANYWHERE) {
6500                 win->manual = 1; /* don't center the quirky windows */
6501                 if (bar_enabled && Y(win) < bar_height)
6502                         Y(win) = bar_height;
6503                 if (WIDTH(win) + X(win) > WIDTH(r))
6504                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6505                 border_me = 1;
6506         }
6507
6508         /* Reset font sizes (the bruteforce way; no default keybinding). */
6509         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6510                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6511                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6512                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6513                         fake_keypress(win, XK_KP_Add, ShiftMask);
6514         }
6515
6516         ewmh_get_win_state(win);
6517         ewmh_update_actions(win);
6518         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6519
6520         /* border me */
6521         if (border_me) {
6522                 win->bordered = 1;
6523                 X(win) -= border_width;
6524                 Y(win) -= border_width;
6525                 update_window(win);
6526         }
6527
6528         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6529                         XCB_EVENT_MASK_PROPERTY_CHANGE |
6530                         XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6531
6532         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6533
6534         /* floaters need to be mapped if they are in the current workspace */
6535         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6536                 map_window_raised(win->id);
6537
6538         return (win);
6539 }
6540
6541 void
6542 free_window(struct ws_win *win)
6543 {
6544         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6545
6546         if (win == NULL)
6547                 return;
6548
6549         /* needed for restart wm */
6550         set_win_state(win, XCB_WM_STATE_WITHDRAWN);
6551
6552         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6553
6554         if (win->ch.res_class)
6555                 XFree(win->ch.res_class);
6556         if (win->ch.res_name)
6557                 XFree(win->ch.res_name);
6558
6559         kill_refs(win);
6560
6561         /* paint memory */
6562         memset(win, 0xff, sizeof *win); /* XXX kill later */
6563
6564         free(win);
6565 }
6566
6567 void
6568 unmanage_window(struct ws_win *win)
6569 {
6570         struct ws_win           *parent;
6571         xcb_screen_t            *screen;
6572
6573         if (win == NULL)
6574                 return;
6575
6576         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6577
6578         if (win->transient) {
6579                 parent = find_window(win->transient);
6580                 if (parent)
6581                         parent->child_trans = NULL;
6582         }
6583
6584         /* focus on root just in case */
6585         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6586         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6587                 screen->root, XCB_CURRENT_TIME);
6588
6589         focus_prev(win);
6590
6591         if (win->hints) {
6592                 XFree(win->hints);
6593                 win->hints = NULL;
6594         }
6595
6596         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6597         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6598 }
6599
6600 void
6601 focus_magic(struct ws_win *win)
6602 {
6603         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6604
6605         if (win == NULL) {
6606                 /* if there are no windows clear the status-bar */
6607                 bar_update();
6608                 return;
6609         }
6610
6611         if (win->child_trans) {
6612                 /* win = parent & has a transient so focus on that */
6613                 if (win->java) {
6614                         focus_win(win->child_trans);
6615                         if (win->child_trans->take_focus)
6616                                 client_msg(win, takefocus);
6617                 } else {
6618                         /* make sure transient hasn't disappeared */
6619                         if (validate_win(win->child_trans) == 0) {
6620                                 focus_win(win->child_trans);
6621                                 if (win->child_trans->take_focus)
6622                                         client_msg(win->child_trans, takefocus);
6623                         } else {
6624                                 win->child_trans = NULL;
6625                                 focus_win(win);
6626                                 if (win->take_focus)
6627                                         client_msg(win, takefocus);
6628                         }
6629                 }
6630         } else {
6631                 /* regular focus */
6632                 focus_win(win);
6633                 if (win->take_focus)
6634                         client_msg(win, takefocus);
6635         }
6636 }
6637
6638 void
6639 expose(XEvent *e)
6640 {
6641         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6642 }
6643
6644 void
6645 keypress(XEvent *e)
6646 {
6647         KeySym                  keysym;
6648         XKeyEvent               *ev = &e->xkey;
6649         struct key              *kp;
6650         struct swm_region       *r;
6651
6652         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6653         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6654                 return;
6655         if (keyfuncs[kp->funcid].func == NULL)
6656                 return;
6657
6658         r = root_to_region(ev->root);
6659         if (kp->funcid == kf_spawn_custom)
6660                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6661         else
6662                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6663 }
6664
6665 void
6666 buttonpress(XEvent *e)
6667 {
6668         struct ws_win           *win;
6669         int                     i, action;
6670         XButtonPressedEvent     *ev = &e->xbutton;
6671
6672         if ((win = find_window(ev->window)) == NULL)
6673                 return;
6674
6675         focus_magic(win);
6676         action = client_click;
6677
6678         for (i = 0; i < LENGTH(buttons); i++)
6679                 if (action == buttons[i].action && buttons[i].func &&
6680                     buttons[i].button == ev->button &&
6681                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6682                         buttons[i].func(win, &buttons[i].args);
6683 }
6684
6685 void
6686 configurerequest(XEvent *e)
6687 {
6688         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6689         struct ws_win           *win;
6690         int                     new = 0;
6691         XWindowChanges          wc;
6692
6693         if ((win = find_window(ev->window)) == NULL)
6694                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6695                         new = 1;
6696
6697         if (new) {
6698                 bzero(&wc, sizeof wc);
6699                 wc.x = ev->x;
6700                 wc.y = ev->y;
6701                 wc.width = ev->width;
6702                 wc.height = ev->height;
6703                 wc.border_width = ev->border_width;
6704                 wc.sibling = ev->above;
6705                 wc.stack_mode = ev->detail;
6706
6707                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6708                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6709                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6710
6711                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6712         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6713             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6714                 win->g_float.x = ev->x - X(win->ws->r);
6715                 win->g_float.y = ev->y - Y(win->ws->r);
6716                 win->g_float.w = ev->width;
6717                 win->g_float.h = ev->height;
6718                 win->g_floatvalid = 1;
6719
6720                 if (win->floating) {
6721                         win->g = win->g_float;
6722                         win->g.x += X(win->ws->r);
6723                         win->g.y += Y(win->ws->r);
6724                         update_window(win);
6725                 } else {
6726                         config_win(win, ev);
6727                 }
6728         } else {
6729                 config_win(win, ev);
6730         }
6731 }
6732
6733 void
6734 configurenotify(XEvent *e)
6735 {
6736         struct ws_win           *win;
6737
6738         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6739             e->xconfigure.window);
6740
6741         win = find_window(e->xconfigure.window);
6742         if (win) {
6743                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6744                 adjust_font(win);
6745                 if (font_adjusted)
6746                         stack();
6747                 if (focus_mode == SWM_FOCUS_DEFAULT)
6748                         drain_enter_notify();
6749         }
6750 }
6751
6752 void
6753 destroynotify(XEvent *e)
6754 {
6755         struct ws_win           *win;
6756         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6757
6758         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6759
6760         if ((win = find_window(ev->window)) == NULL) {
6761                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6762                         return;
6763                 free_window(win);
6764                 return;
6765         }
6766
6767         /* make sure we focus on something */
6768         win->floating = 0;
6769
6770         unmanage_window(win);
6771         stack();
6772         if (focus_mode == SWM_FOCUS_DEFAULT)
6773                 drain_enter_notify();
6774         free_window(win);
6775 }
6776
6777 void
6778 enternotify(XEvent *e)
6779 {
6780         XCrossingEvent          *ev = &e->xcrossing;
6781         XEvent                  cne;
6782         struct ws_win           *win;
6783 #if 0
6784         struct ws_win           *w;
6785         Window                  focus_return;
6786         int                     revert_to_return;
6787 #endif
6788         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6789             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6790             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6791             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6792
6793         if (ev->mode != NotifyNormal) {
6794                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6795                     "cursor grab.\n");
6796                 return;
6797         }
6798
6799         switch (focus_mode) {
6800         case SWM_FOCUS_DEFAULT:
6801                 break;
6802         case SWM_FOCUS_FOLLOW:
6803                 break;
6804         case SWM_FOCUS_SYNERGY:
6805 #if 0
6806         /*
6807          * all these checks need to be in this order because the
6808          * XCheckTypedWindowEvent relies on weeding out the previous events
6809          *
6810          * making this code an option would enable a follow mouse for focus
6811          * feature
6812          */
6813
6814         /*
6815          * state is set when we are switching workspaces and focus is set when
6816          * the window or a subwindow already has focus (occurs during restart).
6817          *
6818          * Only honor the focus flag if last_focus_event is not FocusOut,
6819          * this allows spectrwm to continue to control focus when another
6820          * program is also playing with it.
6821          */
6822         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6823                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6824                 return;
6825         }
6826
6827         /*
6828          * happens when a window is created or destroyed and the border
6829          * crosses the mouse pointer and when switching ws
6830          *
6831          * we need the subwindow test to see if we came from root in order
6832          * to give focus to floaters
6833          */
6834         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6835             ev->subwindow == 0) {
6836                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6837                 return;
6838         }
6839
6840         /* this window already has focus */
6841         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6842                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6843                 return;
6844         }
6845
6846         /* this window is being deleted or moved to another ws */
6847         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6848             &cne) == True) {
6849                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6850                 XPutBackEvent(display, &cne);
6851                 return;
6852         }
6853
6854         if ((win = find_window(ev->window)) == NULL) {
6855                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6856                 return;
6857         }
6858
6859         /*
6860          * In fullstack kill all enters unless they come from a different ws
6861          * (i.e. another region) or focus has been grabbed externally.
6862          */
6863         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6864             last_focus_event != FocusOut) {
6865                 XGetInputFocus(display, &focus_return, &revert_to_return);
6866                 if ((w = find_window(focus_return)) == NULL ||
6867                     w->ws == win->ws) {
6868                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6869                         return;
6870                 }
6871         }
6872 #endif
6873                 break;
6874         }
6875
6876         if ((win = find_window(ev->window)) == NULL) {
6877                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6878                 return;
6879         }
6880
6881         /*
6882          * if we have more enternotifies let them handle it in due time
6883          */
6884         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6885                 DNPRINTF(SWM_D_EVENT,
6886                     "ignoring enternotify: got more enternotify\n");
6887                 XPutBackEvent(display, &cne);
6888                 return;
6889         }
6890
6891         focus_magic(win);
6892 }
6893
6894 /* lets us use one switch statement for arbitrary mode/detail combinations */
6895 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6896
6897 void
6898 focusevent(XEvent *e)
6899 {
6900 #if 0
6901         struct ws_win           *win;
6902         u_int32_t               mode_detail;
6903         XFocusChangeEvent       *ev = &e->xfocus;
6904
6905         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6906             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6907             ev->window, ev->mode, ev->detail);
6908
6909         if (last_focus_event == ev->type) {
6910                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6911                 return;
6912         }
6913
6914         last_focus_event = ev->type;
6915         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6916
6917         switch (mode_detail) {
6918         /* synergy client focus operations */
6919         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6920         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6921
6922         /* synergy server focus operations */
6923         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6924
6925         /* Entering applications like rdesktop that mangle the pointer */
6926         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6927
6928                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6929                         XSetWindowBorder(display, win->id,
6930                             win->ws->r->s->c[ev->type == FocusIn ?
6931                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6932                 break;
6933         default:
6934                 warnx("ignoring focusevent");
6935                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6936                 break;
6937         }
6938 #endif
6939 }
6940
6941 void
6942 mapnotify(XEvent *e)
6943 {
6944         struct ws_win           *win;
6945         XMapEvent               *ev = &e->xmap;
6946
6947         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6948
6949         win = manage_window(ev->window);
6950         if (win)
6951                 set_win_state(win, XCB_WM_STATE_NORMAL);
6952
6953         /*
6954          * focus_win can only set input focus on a mapped window.
6955          * make sure the window really has focus since it is just being mapped.
6956          */
6957         if (win->ws->focus == win)
6958                 focus_win(win);
6959 }
6960
6961 void
6962 mappingnotify(XEvent *e)
6963 {
6964         XMappingEvent           *ev = &e->xmapping;
6965
6966         XRefreshKeyboardMapping(ev);
6967         if (ev->request == MappingKeyboard)
6968                 grabkeys();
6969 }
6970
6971 void
6972 maprequest(XEvent *e)
6973 {
6974         struct ws_win           *win;
6975         struct swm_region       *r;
6976         XWindowAttributes       wa;
6977         XMapRequestEvent        *ev = &e->xmaprequest;
6978
6979         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6980             e->xmaprequest.window);
6981
6982         if (!XGetWindowAttributes(display, ev->window, &wa))
6983                 return;
6984         if (wa.override_redirect)
6985                 return;
6986
6987         win = manage_window(e->xmaprequest.window);
6988         if (win == NULL)
6989                 return; /* can't happen */
6990
6991         stack();
6992
6993         /* make new win focused */
6994         r = root_to_region(win->wa.root);
6995         if (win->ws == r->ws)
6996                 focus_magic(win);
6997 }
6998
6999 void
7000 propertynotify(XEvent *e)
7001 {
7002         struct ws_win           *win;
7003         XPropertyEvent          *ev = &e->xproperty;
7004 #ifdef SWM_DEBUG
7005         char                    *name;
7006         name = XGetAtomName(display, ev->atom);
7007         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
7008             ev->window, name);
7009         XFree(name);
7010 #endif
7011
7012         win = find_window(ev->window);
7013         if (win == NULL)
7014                 return;
7015
7016         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
7017                 update_iconic(win, 0);
7018                 map_window_raised(win->id);
7019                 stack();
7020                 focus_win(win);
7021                 return;
7022         }
7023
7024         switch (ev->atom) {
7025 #if 0
7026         case XA_WM_NORMAL_HINTS:
7027                 long            mask;
7028                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7029                 warnx("normal hints: flag 0x%x", win->sh.flags);
7030                 if (win->sh.flags & PMinSize) {
7031                         WIDTH(win) = win->sh.min_width;
7032                         HEIGHT(win) = win->sh.min_height;
7033                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7034                 }
7035                 XMoveResizeWindow(display, win->id,
7036                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7037 #endif
7038         case XA_WM_CLASS:
7039         case XA_WM_NAME:
7040                 bar_update();
7041                 break;
7042         default:
7043                 break;
7044         }
7045 }
7046
7047 void
7048 unmapnotify(XEvent *e)
7049 {
7050         struct ws_win           *win;
7051
7052         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7053
7054         /* determine if we need to help unmanage this window */
7055         win = find_window(e->xunmap.window);
7056         if (win == NULL)
7057                 return;
7058
7059         if (getstate(e->xunmap.window) == XCB_WM_STATE_NORMAL) {
7060                 unmanage_window(win);
7061                 stack();
7062
7063                 /* giant hack for apps that don't destroy transient windows */
7064                 /* eat a bunch of events to prevent remanaging the window */
7065                 XEvent                  cne;
7066                 while (XCheckWindowEvent(display, e->xunmap.window,
7067                     EnterWindowMask, &cne))
7068                         ;
7069                 while (XCheckWindowEvent(display, e->xunmap.window,
7070                     StructureNotifyMask, &cne))
7071                         ;
7072                 while (XCheckWindowEvent(display, e->xunmap.window,
7073                     SubstructureNotifyMask, &cne))
7074                         ;
7075                 /* resend unmap because we ated it */
7076                 XUnmapWindow(display, e->xunmap.window);
7077         }
7078
7079         if (focus_mode == SWM_FOCUS_DEFAULT)
7080                 drain_enter_notify();
7081 }
7082
7083 void
7084 visibilitynotify(XEvent *e)
7085 {
7086         int                     i, num_screens;
7087         struct swm_region       *r;
7088
7089         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7090             e->xvisibility.window);
7091
7092         if (e->xvisibility.state == VisibilityUnobscured) {
7093                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7094                 for (i = 0; i < num_screens; i++)
7095                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7096                                 if (e->xvisibility.window == WINID(r->bar))
7097                                         bar_update();
7098         }
7099 }
7100
7101 void
7102 clientmessage(XEvent *e)
7103 {
7104         XClientMessageEvent     *ev;
7105         struct ws_win           *win;
7106
7107         ev = &e->xclient;
7108
7109         win = find_window(ev->window);
7110         if (win == NULL) {
7111                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7112                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7113                             "unmanaged window.\n");
7114                         e->xmaprequest.window = ev->window;
7115                         maprequest(e);
7116                 }
7117                 return;
7118         }
7119
7120         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7121             ev->window, ev->message_type);
7122
7123         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7124                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7125                 focus_win(win);
7126         }
7127         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7128                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7129                 if (win->can_delete)
7130                         client_msg(win, adelete);
7131                 else
7132                         xcb_kill_client(conn, win->id);
7133         }
7134         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7135                 DNPRINTF(SWM_D_EVENT,
7136                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7137                 if (win->floating) {
7138                         if (ev->data.l[0] & (1<<8)) /* x */
7139                                 X(win) = ev->data.l[1];
7140                         if (ev->data.l[0] & (1<<9)) /* y */
7141                                 Y(win) = ev->data.l[2];
7142                         if (ev->data.l[0] & (1<<10)) /* width */
7143                                 WIDTH(win) = ev->data.l[3];
7144                         if (ev->data.l[0] & (1<<11)) /* height */
7145                                 HEIGHT(win) = ev->data.l[4];
7146
7147                         update_window(win);
7148                 }
7149                 else {
7150                         /* TODO: Change stack sizes */
7151                         /* notify no change was made. */
7152                         config_win(win, NULL);
7153                 }
7154         }
7155         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7156                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7157                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7158                 if (ev->data.l[2])
7159                         ewmh_update_win_state(win, ev->data.l[2],
7160                             ev->data.l[0]);
7161
7162                 stack();
7163         }
7164 }
7165
7166 int
7167 xerror_start(Display *d, XErrorEvent *ee)
7168 {
7169         other_wm = 1;
7170         return (-1);
7171 }
7172
7173 int
7174 xerror(Display *d, XErrorEvent *ee)
7175 {
7176         /* warnx("error: %p %p", display, ee); */
7177         return (-1);
7178 }
7179
7180 int
7181 active_wm(void)
7182 {
7183         other_wm = 0;
7184         xerrorxlib = XSetErrorHandler(xerror_start);
7185
7186         /* this causes an error if some other window manager is running */
7187         XSelectInput(display, DefaultRootWindow(display),
7188             SubstructureRedirectMask);
7189         XSync(display, False);
7190         if (other_wm)
7191                 return (1);
7192
7193         XSetErrorHandler(xerror);
7194         XSync(display, False);
7195         return (0);
7196 }
7197
7198 void
7199 new_region(struct swm_screen *s, int x, int y, int w, int h)
7200 {
7201         struct swm_region       *r, *n;
7202         struct workspace        *ws = NULL;
7203         int                     i;
7204
7205         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7206              s->idx, w, h, x, y);
7207
7208         /* remove any conflicting regions */
7209         n = TAILQ_FIRST(&s->rl);
7210         while (n) {
7211                 r = n;
7212                 n = TAILQ_NEXT(r, entry);
7213                 if (X(r) < (x + w) &&
7214                     (X(r) + WIDTH(r)) > x &&
7215                     Y(r) < (y + h) &&
7216                     (Y(r) + HEIGHT(r)) > y) {
7217                         if (r->ws->r != NULL)
7218                                 r->ws->old_r = r->ws->r;
7219                         r->ws->r = NULL;
7220                         bar_cleanup(r);
7221                         TAILQ_REMOVE(&s->rl, r, entry);
7222                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7223                 }
7224         }
7225
7226         /* search old regions for one to reuse */
7227
7228         /* size + location match */
7229         TAILQ_FOREACH(r, &s->orl, entry)
7230                 if (X(r) == x && Y(r) == y &&
7231                     HEIGHT(r) == h && WIDTH(r) == w)
7232                         break;
7233
7234         /* size match */
7235         TAILQ_FOREACH(r, &s->orl, entry)
7236                 if (HEIGHT(r) == h && WIDTH(r) == w)
7237                         break;
7238
7239         if (r != NULL) {
7240                 TAILQ_REMOVE(&s->orl, r, entry);
7241                 /* try to use old region's workspace */
7242                 if (r->ws->r == NULL)
7243                         ws = r->ws;
7244         } else
7245                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7246                         err(1, "new_region: calloc: failed to allocate memory "
7247                             "for screen");
7248
7249         /* if we don't have a workspace already, find one */
7250         if (ws == NULL) {
7251                 for (i = 0; i < workspace_limit; i++)
7252                         if (s->ws[i].r == NULL) {
7253                                 ws = &s->ws[i];
7254                                 break;
7255                         }
7256         }
7257
7258         if (ws == NULL)
7259                 errx(1, "new_region: no free workspaces");
7260
7261         X(r) = x;
7262         Y(r) = y;
7263         WIDTH(r) = w;
7264         HEIGHT(r) = h;
7265         r->s = s;
7266         r->ws = ws;
7267         r->ws_prior = NULL;
7268         ws->r = r;
7269         outputs++;
7270         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7271 }
7272
7273 void
7274 scan_xrandr(int i)
7275 {
7276 #ifdef SWM_XRR_HAS_CRTC
7277         int                     c;
7278         int                     ncrtc = 0;
7279 #endif /* SWM_XRR_HAS_CRTC */
7280         struct swm_region       *r;
7281         int                     num_screens;
7282         xcb_randr_get_screen_resources_cookie_t src;
7283         xcb_randr_get_screen_resources_reply_t  *srr;
7284         xcb_randr_get_crtc_info_cookie_t        cic;
7285         xcb_randr_get_crtc_info_reply_t         *cir;
7286         xcb_randr_crtc_t        *crtc;
7287
7288         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7289         if (i >= num_screens)
7290                 errx(1, "scan_xrandr: invalid screen");
7291
7292         /* remove any old regions */
7293         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7294                 r->ws->old_r = r->ws->r = NULL;
7295                 bar_cleanup(r);
7296                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7297                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7298         }
7299         outputs = 0;
7300
7301         /* map virtual screens onto physical screens */
7302 #ifdef SWM_XRR_HAS_CRTC
7303         if (xrandr_support) {
7304                 src = xcb_randr_get_screen_resources(conn, screens[i].root);
7305                 srr = xcb_randr_get_screen_resources_reply(conn, src, NULL);
7306                 if (srr == NULL)
7307                         new_region(&screens[i], 0, 0,
7308                             DisplayWidth(display, i),
7309                             DisplayHeight(display, i));
7310                 else
7311                         ncrtc = srr->num_crtcs;
7312                 for (c = 0; c < ncrtc; c++) {
7313                         crtc = xcb_randr_get_screen_resources_crtcs(srr);
7314                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7315                                 XCB_CURRENT_TIME);
7316                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7317                         if (cir && cir->num_outputs == 0)
7318                                 continue;
7319
7320                         if (cir == NULL || cir->mode == 0)
7321                                 new_region(&screens[i], 0, 0,
7322                                     DisplayWidth(display, i),
7323                                     DisplayHeight(display, i));
7324                         else
7325                                 new_region(&screens[i],
7326                                     cir->x, cir->y, cir->width, cir->height);
7327                 }
7328                 if (srr)
7329                         free(srr);
7330                 if (cir)
7331                         free(cir);
7332         } else
7333 #endif /* SWM_XRR_HAS_CRTC */
7334         {
7335                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7336                     DisplayHeight(display, i));
7337         }
7338 }
7339
7340 void
7341 screenchange(XEvent *e)
7342 {
7343         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7344         struct swm_region               *r;
7345         int                             i, num_screens;
7346
7347         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7348
7349         if (!XRRUpdateConfiguration(e))
7350                 return;
7351
7352         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7353         /* silly event doesn't include the screen index */
7354         for (i = 0; i < num_screens; i++)
7355                 if (screens[i].root == xe->root)
7356                         break;
7357         if (i >= num_screens)
7358                 errx(1, "screenchange: screen not found");
7359
7360         /* brute force for now, just re-enumerate the regions */
7361         scan_xrandr(i);
7362
7363         /* add bars to all regions */
7364         for (i = 0; i < num_screens; i++)
7365                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7366                         bar_setup(r);
7367         stack();
7368         if (focus_mode == SWM_FOCUS_DEFAULT)
7369                 drain_enter_notify();
7370 }
7371
7372 void
7373 grab_windows(void)
7374 {
7375         xcb_window_t            *wins   = NULL;
7376         int                     no;
7377         int                     i, j, num_screens;
7378         uint16_t                state, manage;
7379
7380         xcb_query_tree_cookie_t                 qtc;
7381         xcb_query_tree_reply_t                  *qtr;
7382         xcb_get_window_attributes_cookie_t      c;
7383         xcb_get_window_attributes_reply_t       *r;
7384         xcb_get_property_cookie_t               pc;
7385
7386         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7387         for (i = 0; i < num_screens; i++) {
7388                 qtc = xcb_query_tree(conn, screens[i].root);
7389                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7390                 if (!qtr)
7391                         continue;
7392                 wins = xcb_query_tree_children(qtr);
7393                 no = xcb_query_tree_children_length(qtr);
7394                 /* attach windows to a region */
7395                 /* normal windows */
7396                 for (j = 0; j < no; j++) {
7397                         c = xcb_get_window_attributes(conn, wins[j]);
7398                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7399                         if (!r)
7400                                 continue;
7401                         if (r->override_redirect) {
7402                                 free(r);
7403                                 continue;
7404                         }
7405
7406                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7407                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7408                                         NULL)) {
7409                                 free(r);
7410                                 continue;
7411                         }
7412
7413                         state = getstate(wins[j]);
7414                         manage = state == XCB_WM_STATE_ICONIC;
7415                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7416                                 manage_window(wins[j]);
7417                         free(r);
7418                 }
7419                 /* transient windows */
7420                 for (j = 0; j < no; j++) {
7421                         c = xcb_get_window_attributes(conn, wins[j]);
7422                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7423                         if (!r)
7424                                 continue;
7425                         if (r->override_redirect) {
7426                                 free(r);
7427                                 continue;
7428                         }
7429                         free(r);
7430
7431                         state = getstate(wins[j]);
7432                         manage = state == XCB_WM_STATE_ICONIC;
7433                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7434                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7435                                         NULL) && manage)
7436                                 manage_window(wins[j]);
7437                 }
7438                 free(qtr);
7439         }
7440 }
7441
7442 void
7443 setup_screens(void)
7444 {
7445         int                     i, j, k, num_screens;
7446         struct workspace        *ws;
7447         XGCValues               gcv;
7448         const xcb_query_extension_reply_t *qep;
7449         xcb_randr_query_version_cookie_t        c;
7450         xcb_randr_query_version_reply_t         *r;
7451
7452         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7453         if ((screens = calloc(num_screens,
7454              sizeof(struct swm_screen))) == NULL)
7455                 err(1, "setup_screens: calloc: failed to allocate memory for "
7456                     "screens");
7457
7458         /* initial Xrandr setup */
7459         xrandr_support = False;
7460         c = xcb_randr_query_version(conn, True, True);
7461         r = xcb_randr_query_version_reply(conn, c, NULL);
7462         if (r) {
7463                 if (r->major_version >= 1)
7464                         xrandr_support = True;
7465                 free(r);
7466         }
7467         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7468         xrandr_eventbase = qep->first_event;
7469
7470         /* map physical screens */
7471         for (i = 0; i < num_screens; i++) {
7472                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7473                 screens[i].idx = i;
7474                 TAILQ_INIT(&screens[i].rl);
7475                 TAILQ_INIT(&screens[i].orl);
7476                 screens[i].root = RootWindow(display, i);
7477
7478                 /* set default colors */
7479                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7480                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7481                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7482                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7483                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7484
7485                 /* create graphics context on screen */
7486                 gcv.graphics_exposures = 0;
7487                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7488                         GCGraphicsExposures, &gcv);
7489
7490                 /* set default cursor */
7491                 XDefineCursor(display, screens[i].root,
7492                     XCreateFontCursor(display, XC_left_ptr));
7493
7494                 /* init all workspaces */
7495                 /* XXX these should be dynamically allocated too */
7496                 for (j = 0; j < SWM_WS_MAX; j++) {
7497                         ws = &screens[i].ws[j];
7498                         ws->idx = j;
7499                         ws->name = NULL;
7500                         ws->focus = NULL;
7501                         ws->r = NULL;
7502                         ws->old_r = NULL;
7503                         TAILQ_INIT(&ws->winlist);
7504                         TAILQ_INIT(&ws->unmanagedlist);
7505
7506                         for (k = 0; layouts[k].l_stack != NULL; k++)
7507                                 if (layouts[k].l_config != NULL)
7508                                         layouts[k].l_config(ws,
7509                                             SWM_ARG_ID_STACKINIT);
7510                         ws->cur_layout = &layouts[0];
7511                         ws->cur_layout->l_string(ws);
7512                 }
7513
7514                 scan_xrandr(i);
7515
7516                 if (xrandr_support)
7517                         xcb_randr_select_input(conn, screens[i].root,
7518                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7519         }
7520 }
7521
7522 void
7523 setup_globals(void)
7524 {
7525         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7526                 err(1, "setup_globals: strdup: failed to allocate memory.");
7527
7528         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7529                 err(1, "setup_globals: strdup: failed to allocate memory.");
7530 }
7531
7532 void
7533 workaround(void)
7534 {
7535         int                     i, num_screens;
7536         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7537         xcb_window_t            root, win;
7538
7539         /* work around sun jdk bugs, code from wmname */
7540         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7541         netwmname = get_atom_from_string("_NET_WM_NAME");
7542         utf8_string = get_atom_from_string("UTF8_STRING");
7543
7544         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7545         for (i = 0; i < num_screens; i++) {
7546                 root = screens[i].root;
7547                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7548                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7549                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7550
7551                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7552                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7553                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7554                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7555                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7556                         netwmcheck, utf8_string, 8, strlen("LG3D"), "LG3D");
7557         }
7558 }
7559
7560 int
7561 main(int argc, char *argv[])
7562 {
7563         struct swm_region       *r, *rr;
7564         struct ws_win           *winfocus = NULL;
7565         struct timeval          tv;
7566         union arg               a;
7567         char                    conf[PATH_MAX], *cfile = NULL;
7568         struct stat             sb;
7569         XEvent                  e;
7570         int                     xfd, i, num_screens;
7571         fd_set                  rd;
7572         struct sigaction        sact;
7573
7574         start_argv = argv;
7575         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7576         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7577             !XSupportsLocale())
7578                 warnx("no locale support");
7579
7580         if (!X_HAVE_UTF8_STRING)
7581                 warnx("no UTF-8 support");
7582
7583         if (!(display = XOpenDisplay(0)))
7584                 errx(1, "can not open display");
7585
7586         if (!(conn = XGetXCBConnection(display)))
7587                 errx(1, "can not get XCB connection");
7588
7589         if (active_wm())
7590                 errx(1, "other wm running");
7591
7592         /* handle some signals */
7593         bzero(&sact, sizeof(sact));
7594         sigemptyset(&sact.sa_mask);
7595         sact.sa_flags = 0;
7596         sact.sa_handler = sighdlr;
7597         sigaction(SIGINT, &sact, NULL);
7598         sigaction(SIGQUIT, &sact, NULL);
7599         sigaction(SIGTERM, &sact, NULL);
7600         sigaction(SIGHUP, &sact, NULL);
7601
7602         sact.sa_handler = sighdlr;
7603         sact.sa_flags = SA_NOCLDSTOP;
7604         sigaction(SIGCHLD, &sact, NULL);
7605
7606         astate = get_atom_from_string("WM_STATE");
7607         aprot = get_atom_from_string("WM_PROTOCOLS");
7608         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7609         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7610         a_wmname = get_atom_from_string("WM_NAME");
7611         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7612         a_utf8_string = get_atom_from_string("UTF8_STRING");
7613         a_string = get_atom_from_string("STRING");
7614         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7615
7616         /* look for local and global conf file */
7617         pwd = getpwuid(getuid());
7618         if (pwd == NULL)
7619                 errx(1, "invalid user: %d", getuid());
7620
7621         setup_globals();
7622         setup_screens();
7623         setup_keys();
7624         setup_quirks();
7625         setup_spawn();
7626
7627         /* load config */
7628         for (i = 0; ; i++) {
7629                 conf[0] = '\0';
7630                 switch (i) {
7631                 case 0:
7632                         /* ~ */
7633                         snprintf(conf, sizeof conf, "%s/.%s",
7634                             pwd->pw_dir, SWM_CONF_FILE);
7635                         break;
7636                 case 1:
7637                         /* global */
7638                         snprintf(conf, sizeof conf, "/etc/%s",
7639                             SWM_CONF_FILE);
7640                         break;
7641                 case 2:
7642                         /* ~ compat */
7643                         snprintf(conf, sizeof conf, "%s/.%s",
7644                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7645                         break;
7646                 case 3:
7647                         /* global compat */
7648                         snprintf(conf, sizeof conf, "/etc/%s",
7649                             SWM_CONF_FILE_OLD);
7650                         break;
7651                 default:
7652                         goto noconfig;
7653                 }
7654
7655                 if (strlen(conf) && stat(conf, &sb) != -1)
7656                         if (S_ISREG(sb.st_mode)) {
7657                                 cfile = conf;
7658                                 break;
7659                         }
7660         }
7661 noconfig:
7662
7663         /* load conf (if any) */
7664         if (cfile)
7665                 conf_load(cfile, SWM_CONF_DEFAULT);
7666
7667         setup_ewmh();
7668         /* set some values to work around bad programs */
7669         workaround();
7670         /* grab existing windows (before we build the bars) */
7671         grab_windows();
7672
7673         if (getenv("SWM_STARTED") == NULL)
7674                 setenv("SWM_STARTED", "YES", 1);
7675
7676         /* setup all bars */
7677         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7678         for (i = 0; i < num_screens; i++)
7679                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7680                         if (winfocus == NULL)
7681                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7682                         bar_setup(r);
7683                 }
7684
7685         unfocus_all();
7686
7687         grabkeys();
7688         stack();
7689         if (focus_mode == SWM_FOCUS_DEFAULT)
7690                 drain_enter_notify();
7691
7692         xfd = xcb_get_file_descriptor(conn);
7693         while (running) {
7694                 while (XPending(display)) {
7695                         XNextEvent(display, &e);
7696                         if (running == 0)
7697                                 goto done;
7698                         if (e.type < LASTEvent) {
7699                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7700                                     "window: 0x%lx, type: %s (%d), %d remaining"
7701                                     "\n", YESNO(handler[e.type]),
7702                                     e.xany.window, geteventname(&e),
7703                                     e.type, QLength(display));
7704
7705                                 if (handler[e.type])
7706                                         handler[e.type](&e);
7707                         } else {
7708                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7709                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7710                                     xrandr_geteventname(&e), e.type);
7711
7712                                 switch (e.type - xrandr_eventbase) {
7713                                 case XCB_RANDR_SCREEN_CHANGE_NOTIFY:
7714                                         screenchange(&e);
7715                                         break;
7716                                 default:
7717                                         break;
7718                                 }
7719                         }
7720                 }
7721
7722                 /* if we are being restarted go focus on first window */
7723                 if (winfocus) {
7724                         rr = winfocus->ws->r;
7725                         if (rr == NULL) {
7726                                 /* not a visible window */
7727                                 winfocus = NULL;
7728                                 continue;
7729                         }
7730                         /* move pointer to first screen if multi screen */
7731                         if (num_screens > 1 || outputs > 1)
7732                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7733                                         rr->s[0].root, 0, 0, 0, 0, X(rr),
7734                                         Y(rr) + (bar_enabled ? bar_height : 0));
7735
7736                         a.id = SWM_ARG_ID_FOCUSCUR;
7737                         focus(rr, &a);
7738                         winfocus = NULL;
7739                         continue;
7740                 }
7741
7742                 FD_ZERO(&rd);
7743                 FD_SET(xfd, &rd);
7744                 tv.tv_sec = 1;
7745                 tv.tv_usec = 0;
7746                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7747                         if (errno != EINTR)
7748                                 DNPRINTF(SWM_D_MISC, "select failed");
7749                 if (restart_wm == 1)
7750                         restart(NULL, NULL);
7751                 if (search_resp == 1)
7752                         search_do_resp();
7753                 if (running == 0)
7754                         goto done;
7755                 if (bar_alarm) {
7756                         bar_alarm = 0;
7757                         bar_update();
7758                 }
7759         }
7760 done:
7761         teardown_ewmh();
7762         bar_extra_stop();
7763
7764         for (i = 0; i < num_screens; ++i)
7765                 if (screens[i].bar_gc != NULL)
7766                         XFreeGC(display, screens[i].bar_gc);
7767         XFreeFontSet(display, bar_fs);
7768         xcb_disconnect(conn);
7769         XCloseDisplay(display);
7770
7771         return (0);
7772 }