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