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convert root_to_region to XCB
[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                 unsigned long   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         XWMHints                *wmh = NULL;
1506         struct ws_win           *win;
1507         int                     i, j, num_screens;
1508         char                    b[8];
1509
1510         for (i = 0; i < workspace_limit; i++)
1511                 urgent[i] = 0;
1512
1513         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1514         for (i = 0; i < num_screens; i++)
1515                 for (j = 0; j < workspace_limit; j++)
1516                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1517                                 wmh = XGetWMHints(display, win->id);
1518                                 if (wmh == NULL)
1519                                         continue;
1520
1521                                 if (wmh->flags & XUrgencyHint)
1522                                         urgent[j] = 1;
1523                                 XFree(wmh);
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         XSetWindowBorder(display, win->id,
2166             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         XSetWindowBorder(display, win->id,
2483             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2484
2485         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2486                 ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2487                 &none);
2488 }
2489
2490 void
2491 unfocus_all(void)
2492 {
2493         struct ws_win           *win;
2494         int                     i, j, num_screens;
2495
2496         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2497
2498         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2499         for (i = 0; i < num_screens; i++)
2500                 for (j = 0; j < workspace_limit; j++)
2501                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2502                                 unfocus_win(win);
2503 }
2504
2505 void
2506 focus_win(struct ws_win *win)
2507 {
2508         XEvent                  cne;
2509         struct ws_win           *cfw = NULL;
2510         xcb_get_input_focus_cookie_t    c;
2511         xcb_get_input_focus_reply_t     *r;
2512         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2513
2514         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%lx\n", WINID(win));
2515
2516         if (win == NULL)
2517                 return;
2518         if (win->ws == NULL)
2519                 return;
2520
2521         if (validate_ws(win->ws))
2522                 return; /* XXX this gets hit with thunderbird, needs fixing */
2523
2524         if (validate_win(win)) {
2525                 kill_refs(win);
2526                 return;
2527         }
2528
2529         if (validate_win(win)) {
2530                 kill_refs(win);
2531                 return;
2532         }
2533
2534         c = xcb_get_input_focus(conn);
2535         r = xcb_get_input_focus_reply(conn, c, NULL);
2536         if (r) {
2537                 cur_focus = r->focus;
2538                 free(r);
2539         }
2540         if ((cfw = find_window(cur_focus)) != NULL)
2541                 unfocus_win(cfw);
2542         else {
2543                 /* use larger hammer since the window was killed somehow */
2544                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2545                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2546                                 XSetWindowBorder(display, cfw->id,
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                 XSetWindowBorder(display, win->id,
2562                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2563                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2564                     win->ws->always_raise)
2565                         map_window_raised(win->id);
2566
2567                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2568                         ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2569                         &win->id);
2570         }
2571
2572         bar_update();
2573 }
2574
2575 void
2576 switchws(struct swm_region *r, union arg *args)
2577 {
2578         int                     wsid = args->id, unmap_old = 0;
2579         struct swm_region       *this_r, *other_r;
2580         struct ws_win           *win;
2581         struct workspace        *new_ws, *old_ws;
2582         union arg               a;
2583
2584         if (!(r && r->s))
2585                 return;
2586
2587         if (wsid >= workspace_limit)
2588                 return;
2589
2590         this_r = r;
2591         old_ws = this_r->ws;
2592         new_ws = &this_r->s->ws[wsid];
2593
2594         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2595             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2596
2597         if (new_ws == NULL || old_ws == NULL)
2598                 return;
2599         if (new_ws == old_ws)
2600                 return;
2601
2602         other_r = new_ws->r;
2603         if (other_r == NULL) {
2604                 /* the other workspace is hidden, hide this one */
2605                 old_ws->r = NULL;
2606                 unmap_old = 1;
2607         } else {
2608                 /* the other ws is visible in another region, exchange them */
2609                 other_r->ws_prior = new_ws;
2610                 other_r->ws = old_ws;
2611                 old_ws->r = other_r;
2612         }
2613         this_r->ws_prior = old_ws;
2614         this_r->ws = new_ws;
2615         new_ws->r = this_r;
2616
2617         /* this is needed so that we can click on a window after a restart */
2618         unfocus_all();
2619
2620         stack();
2621         a.id = SWM_ARG_ID_FOCUSCUR;
2622         focus(new_ws->r, &a);
2623
2624         /* unmap old windows */
2625         if (unmap_old)
2626                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2627                         unmap_window(win);
2628
2629         if (focus_mode == SWM_FOCUS_DEFAULT)
2630                 drain_enter_notify();
2631 }
2632
2633 void
2634 cyclews(struct swm_region *r, union arg *args)
2635 {
2636         union                   arg a;
2637         struct swm_screen       *s = r->s;
2638         int                     cycle_all = 0;
2639
2640         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2641             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2642
2643         a.id = r->ws->idx;
2644         do {
2645                 switch (args->id) {
2646                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2647                         cycle_all = 1;
2648                         /* FALLTHROUGH */
2649                 case SWM_ARG_ID_CYCLEWS_UP:
2650                         if (a.id < workspace_limit - 1)
2651                                 a.id++;
2652                         else
2653                                 a.id = 0;
2654                         break;
2655                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2656                         cycle_all = 1;
2657                         /* FALLTHROUGH */
2658                 case SWM_ARG_ID_CYCLEWS_DOWN:
2659                         if (a.id > 0)
2660                                 a.id--;
2661                         else
2662                                 a.id = workspace_limit - 1;
2663                         break;
2664                 default:
2665                         return;
2666                 };
2667
2668                 if (!cycle_all &&
2669                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2670                         continue;
2671                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2672                         continue;
2673
2674                 switchws(r, &a);
2675         } while (a.id != r->ws->idx);
2676 }
2677
2678 void
2679 priorws(struct swm_region *r, union arg *args)
2680 {
2681         union arg               a;
2682
2683         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2684             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2685
2686         if (r->ws_prior == NULL)
2687                 return;
2688
2689         a.id = r->ws_prior->idx;
2690         switchws(r, &a);
2691 }
2692
2693 void
2694 cyclescr(struct swm_region *r, union arg *args)
2695 {
2696         struct swm_region       *rr = NULL;
2697         union arg               a;
2698         int                     i, x, y, num_screens;
2699
2700         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2701         /* do nothing if we don't have more than one screen */
2702         if (!(num_screens > 1 || outputs > 1))
2703                 return;
2704
2705         i = r->s->idx;
2706         switch (args->id) {
2707         case SWM_ARG_ID_CYCLESC_UP:
2708                 rr = TAILQ_NEXT(r, entry);
2709                 if (rr == NULL)
2710                         rr = TAILQ_FIRST(&screens[i].rl);
2711                 break;
2712         case SWM_ARG_ID_CYCLESC_DOWN:
2713                 rr = TAILQ_PREV(r, swm_region_list, entry);
2714                 if (rr == NULL)
2715                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2716                 break;
2717         default:
2718                 return;
2719         };
2720         if (rr == NULL)
2721                 return;
2722
2723         /* move mouse to region */
2724         x = X(rr) + 1;
2725         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2726         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2727
2728         a.id = SWM_ARG_ID_FOCUSCUR;
2729         focus(rr, &a);
2730
2731         if (rr->ws->focus) {
2732                 /* move to focus window */
2733                 x = X(rr->ws->focus) + 1;
2734                 y = Y(rr->ws->focus) + 1;
2735                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2736         }
2737 }
2738
2739 void
2740 sort_windows(struct ws_win_list *wl)
2741 {
2742         struct ws_win           *win, *parent, *nxt;
2743
2744         if (wl == NULL)
2745                 return;
2746
2747         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2748                 nxt = TAILQ_NEXT(win, entry);
2749                 if (win->transient) {
2750                         parent = find_window(win->transient);
2751                         if (parent == NULL) {
2752                                 warnx("not possible bug");
2753                                 continue;
2754                         }
2755                         TAILQ_REMOVE(wl, win, entry);
2756                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2757                 }
2758         }
2759
2760 }
2761
2762 void
2763 swapwin(struct swm_region *r, union arg *args)
2764 {
2765         struct ws_win           *target, *source;
2766         struct ws_win           *cur_focus;
2767         struct ws_win_list      *wl;
2768
2769
2770         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2771             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2772
2773         cur_focus = r->ws->focus;
2774         if (cur_focus == NULL)
2775                 return;
2776
2777         source = cur_focus;
2778         wl = &source->ws->winlist;
2779
2780         switch (args->id) {
2781         case SWM_ARG_ID_SWAPPREV:
2782                 if (source->transient)
2783                         source = find_window(source->transient);
2784                 target = TAILQ_PREV(source, ws_win_list, entry);
2785                 if (target && target->transient)
2786                         target = find_window(target->transient);
2787                 TAILQ_REMOVE(wl, source, entry);
2788                 if (target == NULL)
2789                         TAILQ_INSERT_TAIL(wl, source, entry);
2790                 else
2791                         TAILQ_INSERT_BEFORE(target, source, entry);
2792                 break;
2793         case SWM_ARG_ID_SWAPNEXT:
2794                 target = TAILQ_NEXT(source, entry);
2795                 /* move the parent and let the sort handle the move */
2796                 if (source->transient)
2797                         source = find_window(source->transient);
2798                 TAILQ_REMOVE(wl, source, entry);
2799                 if (target == NULL)
2800                         TAILQ_INSERT_HEAD(wl, source, entry);
2801                 else
2802                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2803                 break;
2804         case SWM_ARG_ID_SWAPMAIN:
2805                 target = TAILQ_FIRST(wl);
2806                 if (target == source) {
2807                         if (source->ws->focus_prev != NULL &&
2808                             source->ws->focus_prev != target)
2809                                 source = source->ws->focus_prev;
2810                         else
2811                                 return;
2812                 }
2813                 if (target == NULL || source == NULL)
2814                         return;
2815                 source->ws->focus_prev = target;
2816                 TAILQ_REMOVE(wl, target, entry);
2817                 TAILQ_INSERT_BEFORE(source, target, entry);
2818                 TAILQ_REMOVE(wl, source, entry);
2819                 TAILQ_INSERT_HEAD(wl, source, entry);
2820                 break;
2821         case SWM_ARG_ID_MOVELAST:
2822                 TAILQ_REMOVE(wl, source, entry);
2823                 TAILQ_INSERT_TAIL(wl, source, entry);
2824                 break;
2825         default:
2826                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2827                 return;
2828         }
2829
2830         sort_windows(wl);
2831
2832         stack();
2833 }
2834
2835 void
2836 focus_prev(struct ws_win *win)
2837 {
2838         struct ws_win           *winfocus = NULL;
2839         struct ws_win           *cur_focus = NULL;
2840         struct ws_win_list      *wl = NULL;
2841         struct workspace        *ws = NULL;
2842
2843         if (!(win && win->ws))
2844                 return;
2845
2846         ws = win->ws;
2847         wl = &ws->winlist;
2848         cur_focus = ws->focus;
2849
2850         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%lx, cur_focus: 0x%lx\n",
2851             WINID(win), WINID(cur_focus));
2852
2853         /* pickle, just focus on whatever */
2854         if (cur_focus == NULL) {
2855                 /* use prev_focus if valid */
2856                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2857                     find_window(WINID(ws->focus_prev)))
2858                         winfocus = ws->focus_prev;
2859                 goto done;
2860         }
2861
2862         /* if transient focus on parent */
2863         if (cur_focus->transient) {
2864                 winfocus = find_window(cur_focus->transient);
2865                 goto done;
2866         }
2867
2868         /* if in max_stack try harder */
2869         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2870             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2871                 if (cur_focus != ws->focus_prev)
2872                         winfocus = ws->focus_prev;
2873                 else
2874                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2875                 if (winfocus)
2876                         goto done;
2877         }
2878
2879         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2880
2881         if (winfocus == NULL || winfocus == win) {
2882                 switch (focus_close) {
2883                 case SWM_STACK_BOTTOM:
2884                         winfocus = TAILQ_FIRST(wl);
2885                         break;
2886                 case SWM_STACK_TOP:
2887                         winfocus = TAILQ_LAST(wl, ws_win_list);
2888                         break;
2889                 case SWM_STACK_ABOVE:
2890                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2891                                 if (focus_close_wrap)
2892                                         winfocus = TAILQ_FIRST(wl);
2893                                 else
2894                                         winfocus = TAILQ_PREV(cur_focus,
2895                                             ws_win_list, entry);
2896                         }
2897                         break;
2898                 case SWM_STACK_BELOW:
2899                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2900                             entry)) == NULL) {
2901                                 if (focus_close_wrap)
2902                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2903                                 else
2904                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2905                         }
2906                         break;
2907                 }
2908         }
2909 done:
2910         if (winfocus == NULL) {
2911                 if (focus_default == SWM_STACK_TOP)
2912                         winfocus = TAILQ_LAST(wl, ws_win_list);
2913                 else
2914                         winfocus = TAILQ_FIRST(wl);
2915         }
2916
2917         kill_refs(win);
2918         focus_magic(winfocus);
2919 }
2920
2921 void
2922 focus(struct swm_region *r, union arg *args)
2923 {
2924         struct ws_win           *winfocus = NULL, *head;
2925         struct ws_win           *cur_focus = NULL;
2926         struct ws_win_list      *wl = NULL;
2927         struct workspace        *ws = NULL;
2928         int                     all_iconics;
2929
2930         if (!(r && r->ws))
2931                 return;
2932
2933         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2934
2935         /* treat FOCUS_CUR special */
2936         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2937                 if (r->ws->focus && r->ws->focus->iconic == 0)
2938                         winfocus = r->ws->focus;
2939                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2940                         winfocus = r->ws->focus_prev;
2941                 else
2942                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2943                                 if (winfocus->iconic == 0)
2944                                         break;
2945
2946                 focus_magic(winfocus);
2947                 return;
2948         }
2949
2950         if ((cur_focus = r->ws->focus) == NULL)
2951                 return;
2952         ws = r->ws;
2953         wl = &ws->winlist;
2954         if (TAILQ_EMPTY(wl))
2955                 return;
2956         /* make sure there is at least one uniconified window */
2957         all_iconics = 1;
2958         TAILQ_FOREACH(winfocus, wl, entry)
2959                 if (winfocus->iconic == 0) {
2960                         all_iconics = 0;
2961                         break;
2962                 }
2963         if (all_iconics)
2964                 return;
2965
2966         switch (args->id) {
2967         case SWM_ARG_ID_FOCUSPREV:
2968                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2969                 if (head == NULL)
2970                         head = TAILQ_LAST(wl, ws_win_list);
2971                 winfocus = head;
2972                 if (WINID(winfocus) == cur_focus->transient) {
2973                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2974                         if (head == NULL)
2975                                 head = TAILQ_LAST(wl, ws_win_list);
2976                         winfocus = head;
2977                 }
2978
2979                 /* skip iconics */
2980                 if (winfocus && winfocus->iconic) {
2981                         while (winfocus != cur_focus) {
2982                                 if (winfocus == NULL)
2983                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2984                                 if (winfocus->iconic == 0)
2985                                         break;
2986                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2987                                     entry);
2988                         }
2989                 }
2990                 break;
2991
2992         case SWM_ARG_ID_FOCUSNEXT:
2993                 head = TAILQ_NEXT(cur_focus, entry);
2994                 if (head == NULL)
2995                         head = TAILQ_FIRST(wl);
2996                 winfocus = head;
2997
2998                 /* skip iconics */
2999                 if (winfocus && winfocus->iconic) {
3000                         while (winfocus != cur_focus) {
3001                                 if (winfocus == NULL)
3002                                         winfocus = TAILQ_FIRST(wl);
3003                                 if (winfocus->iconic == 0)
3004                                         break;
3005                                 winfocus = TAILQ_NEXT(winfocus, entry);
3006                         }
3007                 }
3008                 break;
3009
3010         case SWM_ARG_ID_FOCUSMAIN:
3011                 winfocus = TAILQ_FIRST(wl);
3012                 if (winfocus == cur_focus)
3013                         winfocus = cur_focus->ws->focus_prev;
3014                 break;
3015
3016         default:
3017                 return;
3018         }
3019
3020         focus_magic(winfocus);
3021 }
3022
3023 void
3024 cycle_layout(struct swm_region *r, union arg *args)
3025 {
3026         struct workspace        *ws = r->ws;
3027         union arg               a;
3028
3029         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3030
3031         ws->cur_layout++;
3032         if (ws->cur_layout->l_stack == NULL)
3033                 ws->cur_layout = &layouts[0];
3034
3035         stack();
3036         if (focus_mode == SWM_FOCUS_DEFAULT)
3037                 drain_enter_notify();
3038         a.id = SWM_ARG_ID_FOCUSCUR;
3039         focus(r, &a);
3040 }
3041
3042 void
3043 stack_config(struct swm_region *r, union arg *args)
3044 {
3045         struct workspace        *ws = r->ws;
3046
3047         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3048             args->id, ws->idx);
3049
3050         if (ws->cur_layout->l_config != NULL)
3051                 ws->cur_layout->l_config(ws, args->id);
3052
3053         if (args->id != SWM_ARG_ID_STACKINIT)
3054                 stack();
3055         bar_update();
3056 }
3057
3058 void
3059 stack(void) {
3060         struct swm_geometry     g;
3061         struct swm_region       *r;
3062         int                     i, num_screens;
3063 #ifdef SWM_DEBUG
3064         int j;
3065 #endif
3066
3067         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3068         
3069         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3070         for (i = 0; i < num_screens; i++) {
3071 #ifdef SWM_DEBUG
3072                 j = 0;
3073 #endif
3074                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3075                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3076                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3077
3078                         /* start with screen geometry, adjust for bar */
3079                         g = r->g;
3080                         g.w -= 2 * border_width;
3081                         g.h -= 2 * border_width;
3082                         if (bar_enabled) {
3083                                 if (!bar_at_bottom)
3084                                         g.y += bar_height;
3085                                 g.h -= bar_height;
3086                         }
3087                         r->ws->cur_layout->l_stack(r->ws, &g);
3088                         r->ws->cur_layout->l_string(r->ws);
3089                         /* save r so we can track region changes */
3090                         r->ws->old_r = r;
3091                 }
3092         }
3093         if (font_adjusted)
3094                 font_adjusted--;
3095
3096         if (focus_mode == SWM_FOCUS_DEFAULT)
3097                 drain_enter_notify();
3098
3099         DNPRINTF(SWM_D_STACK, "stack: end\n");
3100 }
3101
3102 void
3103 store_float_geom(struct ws_win *win, struct swm_region *r)
3104 {
3105         /* retain window geom and region geom */
3106         win->g_float = win->g;
3107         win->g_float.x -= X(r);
3108         win->g_float.y -= Y(r);
3109         win->g_floatvalid = 1;
3110         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%lx, g: (%d,%d)"
3111             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3112             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3113             win->g_float.w, win->g_float.h);
3114 }
3115
3116 void
3117 stack_floater(struct ws_win *win, struct swm_region *r)
3118 {
3119         if (win == NULL)
3120                 return;
3121
3122         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%lx\n", win->id);
3123
3124         /*
3125          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3126          * geom on ws switches or return from max mode
3127          */
3128         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3129             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3130                 /* refloat at last floating relative position */
3131                 win->g = win->g_float;
3132                 X(win) += X(r);
3133                 Y(win) += Y(r);
3134         }
3135
3136         win->floatmaxed = 0;
3137
3138         /*
3139          * if set to fullscreen mode, configure window to maximum size.
3140          */
3141         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3142                 if (!win->g_floatvalid)
3143                         store_float_geom(win, win->ws->r);
3144
3145                 win->g = win->ws->r->g;
3146         }
3147
3148         /*
3149          * remove border on fullscreen floater when in fullscreen mode or when
3150          * the quirk is present.
3151          */
3152         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3153             ((win->quirks & SWM_Q_FULLSCREEN) &&
3154              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3155                 if (win->bordered) {
3156                         win->bordered = 0;
3157                         X(win) += border_width;
3158                         Y(win) += border_width;
3159                 }
3160         } else if (!win->bordered) {
3161                 win->bordered = 1;
3162                 X(win) -= border_width;
3163                 Y(win) -= border_width;
3164         }
3165
3166         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3167                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3168                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3169         }
3170
3171         if (!win->manual) {
3172                 /*
3173                  * floaters and transients are auto-centred unless moved
3174                  * or resized
3175                  */
3176                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3177                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3178         }
3179
3180         /* keep window within region bounds */
3181         constrain_window(win, r, 0);
3182
3183         update_window(win);
3184 }
3185
3186 /*
3187  * Send keystrokes to terminal to decrease/increase the font size as the
3188  * window size changes.
3189  */
3190 void
3191 adjust_font(struct ws_win *win)
3192 {
3193         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3194             win->floating || win->transient)
3195                 return;
3196
3197         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3198             WIDTH(win) / win->sh.width_inc < term_width &&
3199             win->font_steps < SWM_MAX_FONT_STEPS) {
3200                 win->font_size_boundary[win->font_steps] =
3201                     (win->sh.width_inc * term_width) + win->sh.base_width;
3202                 win->font_steps++;
3203                 font_adjusted++;
3204                 win->last_inc = win->sh.width_inc;
3205                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3206         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3207             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3208                 win->font_steps--;
3209                 font_adjusted++;
3210                 win->last_inc = win->sh.width_inc;
3211                 fake_keypress(win, XK_KP_Add, ShiftMask);
3212         }
3213 }
3214
3215 #define SWAPXY(g)       do {                            \
3216         int tmp;                                        \
3217         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3218         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3219 } while (0)
3220 void
3221 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3222 {
3223         XWindowAttributes       wa;
3224         struct swm_geometry     win_g, r_g = *g;
3225         struct ws_win           *win, *fs_win = NULL;
3226         int                     i, j, s, stacks;
3227         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3228         int                     hrh, extra = 0, h_slice, last_h = 0;
3229         int                     split, colno, winno, mwin, msize, mscale;
3230         int                     remain, missing, v_slice, reconfigure;
3231         int                     bordered = 1;
3232
3233         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3234             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3235
3236         winno = count_win(ws, 0);
3237         if (winno == 0 && count_win(ws, 1) == 0)
3238                 return;
3239
3240         TAILQ_FOREACH(win, &ws->winlist, entry)
3241                 if (win->transient == 0 && win->floating == 0
3242                     && win->iconic == 0)
3243                         break;
3244
3245         if (win == NULL)
3246                 goto notiles;
3247
3248         if (rot) {
3249                 w_inc = win->sh.width_inc;
3250                 w_base = win->sh.base_width;
3251                 mwin = ws->l_state.horizontal_mwin;
3252                 mscale = ws->l_state.horizontal_msize;
3253                 stacks = ws->l_state.horizontal_stacks;
3254                 SWAPXY(&r_g);
3255         } else {
3256                 w_inc = win->sh.height_inc;
3257                 w_base = win->sh.base_height;
3258                 mwin = ws->l_state.vertical_mwin;
3259                 mscale = ws->l_state.vertical_msize;
3260                 stacks = ws->l_state.vertical_stacks;
3261         }
3262         win_g = r_g;
3263
3264         if (stacks > winno - mwin)
3265                 stacks = winno - mwin;
3266         if (stacks < 1)
3267                 stacks = 1;
3268
3269         h_slice = r_g.h / SWM_H_SLICE;
3270         if (mwin && winno > mwin) {
3271                 v_slice = r_g.w / SWM_V_SLICE;
3272
3273                 split = mwin;
3274                 colno = split;
3275                 win_g.w = v_slice * mscale;
3276
3277                 if (w_inc > 1 && w_inc < v_slice) {
3278                         /* adjust for window's requested size increment */
3279                         remain = (win_g.w - w_base) % w_inc;
3280                         win_g.w -= remain;
3281                 }
3282
3283                 msize = win_g.w;
3284                 if (flip)
3285                         win_g.x += r_g.w - msize;
3286         } else {
3287                 msize = -2;
3288                 colno = split = winno / stacks;
3289                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3290                     2 * border_width) / stacks);
3291         }
3292         hrh = r_g.h / colno;
3293         extra = r_g.h - (colno * hrh);
3294         win_g.h = hrh - 2 * border_width;
3295
3296         /*  stack all the tiled windows */
3297         i = j = 0, s = stacks;
3298         TAILQ_FOREACH(win, &ws->winlist, entry) {
3299                 if (win->transient != 0 || win->floating != 0)
3300                         continue;
3301                 if (win->iconic != 0)
3302                         continue;
3303
3304                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3305                         fs_win = win;
3306                         continue;
3307                 }
3308
3309                 if (split && i == split) {
3310                         colno = (winno - mwin) / stacks;
3311                         if (s <= (winno - mwin) % stacks)
3312                                 colno++;
3313                         split = split + colno;
3314                         hrh = (r_g.h / colno);
3315                         extra = r_g.h - (colno * hrh);
3316                         if (flip)
3317                                 win_g.x = r_g.x;
3318                         else
3319                                 win_g.x += win_g.w + 2 * border_width;
3320                         win_g.w = (r_g.w - msize -
3321                             (stacks * 2 * border_width)) / stacks;
3322                         if (s == 1)
3323                                 win_g.w += (r_g.w - msize -
3324                                     (stacks * 2 * border_width)) % stacks;
3325                         s--;
3326                         j = 0;
3327                 }
3328                 win_g.h = hrh - 2 * border_width;
3329                 if (rot) {
3330                         h_inc = win->sh.width_inc;
3331                         h_base = win->sh.base_width;
3332                 } else {
3333                         h_inc = win->sh.height_inc;
3334                         h_base = win->sh.base_height;
3335                 }
3336                 if (j == colno - 1) {
3337                         win_g.h = hrh + extra;
3338                 } else if (h_inc > 1 && h_inc < h_slice) {
3339                         /* adjust for window's requested size increment */
3340                         remain = (win_g.h - h_base) % h_inc;
3341                         missing = h_inc - remain;
3342
3343                         if (missing <= extra || j == 0) {
3344                                 extra -= missing;
3345                                 win_g.h += missing;
3346                         } else {
3347                                 win_g.h -= remain;
3348                                 extra += remain;
3349                         }
3350                 }
3351
3352                 if (j == 0)
3353                         win_g.y = r_g.y;
3354                 else
3355                         win_g.y += last_h + 2 * border_width;
3356
3357                 if (disable_border && bar_enabled == 0 && winno == 1){
3358                         bordered = 0;
3359                         win_g.w += 2 * border_width;
3360                         win_g.h += 2 * border_width;
3361                 } else {
3362                         bordered = 1;
3363                 }
3364                 if (rot) {
3365                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3366                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3367                                 reconfigure = 1;
3368                                 X(win) = win_g.y;
3369                                 Y(win) = win_g.x;
3370                                 WIDTH(win) = win_g.h;
3371                                 HEIGHT(win) = win_g.w;
3372                         }
3373                 } else {
3374                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3375                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3376                                 reconfigure = 1;
3377                                 X(win) = win_g.x;
3378                                 Y(win) = win_g.y;
3379                                 WIDTH(win) = win_g.w;
3380                                 HEIGHT(win) = win_g.h;
3381                         }
3382                 }
3383
3384                 if (bordered != win->bordered) {
3385                         reconfigure = 1;
3386                         win->bordered = bordered;
3387                 }
3388
3389                 if (reconfigure) {
3390                         adjust_font(win);
3391                         update_window(win);
3392                 }
3393
3394                 if (XGetWindowAttributes(display, win->id, &wa))
3395                         if (wa.map_state == IsUnmapped)
3396                                 map_window_raised(win->id);
3397
3398                 last_h = win_g.h;
3399                 i++;
3400                 j++;
3401         }
3402
3403 notiles:
3404         /* now, stack all the floaters and transients */
3405         TAILQ_FOREACH(win, &ws->winlist, entry) {
3406                 if (win->transient == 0 && win->floating == 0)
3407                         continue;
3408                 if (win->iconic == 1)
3409                         continue;
3410                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3411                         fs_win = win;
3412                         continue;
3413                 }
3414
3415                 stack_floater(win, ws->r);
3416                 map_window_raised(win->id);
3417         }
3418
3419         if (fs_win) {
3420                 stack_floater(fs_win, ws->r);
3421                 map_window_raised(fs_win->id);
3422         }
3423 }
3424
3425 void
3426 vertical_config(struct workspace *ws, int id)
3427 {
3428         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3429             id, ws->idx);
3430
3431         switch (id) {
3432         case SWM_ARG_ID_STACKRESET:
3433         case SWM_ARG_ID_STACKINIT:
3434                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3435                 ws->l_state.vertical_mwin = 1;
3436                 ws->l_state.vertical_stacks = 1;
3437                 break;
3438         case SWM_ARG_ID_MASTERSHRINK:
3439                 if (ws->l_state.vertical_msize > 1)
3440                         ws->l_state.vertical_msize--;
3441                 break;
3442         case SWM_ARG_ID_MASTERGROW:
3443                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3444                         ws->l_state.vertical_msize++;
3445                 break;
3446         case SWM_ARG_ID_MASTERADD:
3447                 ws->l_state.vertical_mwin++;
3448                 break;
3449         case SWM_ARG_ID_MASTERDEL:
3450                 if (ws->l_state.vertical_mwin > 0)
3451                         ws->l_state.vertical_mwin--;
3452                 break;
3453         case SWM_ARG_ID_STACKINC:
3454                 ws->l_state.vertical_stacks++;
3455                 break;
3456         case SWM_ARG_ID_STACKDEC:
3457                 if (ws->l_state.vertical_stacks > 1)
3458                         ws->l_state.vertical_stacks--;
3459                 break;
3460         case SWM_ARG_ID_FLIPLAYOUT:
3461                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3462                 break;
3463         default:
3464                 return;
3465         }
3466 }
3467
3468 void
3469 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3470 {
3471         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3472
3473         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3474 }
3475
3476 void
3477 horizontal_config(struct workspace *ws, int id)
3478 {
3479         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3480
3481         switch (id) {
3482         case SWM_ARG_ID_STACKRESET:
3483         case SWM_ARG_ID_STACKINIT:
3484                 ws->l_state.horizontal_mwin = 1;
3485                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3486                 ws->l_state.horizontal_stacks = 1;
3487                 break;
3488         case SWM_ARG_ID_MASTERSHRINK:
3489                 if (ws->l_state.horizontal_msize > 1)
3490                         ws->l_state.horizontal_msize--;
3491                 break;
3492         case SWM_ARG_ID_MASTERGROW:
3493                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3494                         ws->l_state.horizontal_msize++;
3495                 break;
3496         case SWM_ARG_ID_MASTERADD:
3497                 ws->l_state.horizontal_mwin++;
3498                 break;
3499         case SWM_ARG_ID_MASTERDEL:
3500                 if (ws->l_state.horizontal_mwin > 0)
3501                         ws->l_state.horizontal_mwin--;
3502                 break;
3503         case SWM_ARG_ID_STACKINC:
3504                 ws->l_state.horizontal_stacks++;
3505                 break;
3506         case SWM_ARG_ID_STACKDEC:
3507                 if (ws->l_state.horizontal_stacks > 1)
3508                         ws->l_state.horizontal_stacks--;
3509                 break;
3510         case SWM_ARG_ID_FLIPLAYOUT:
3511                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3512                 break;
3513         default:
3514                 return;
3515         }
3516 }
3517
3518 void
3519 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3520 {
3521         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3522
3523         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3524 }
3525
3526 /* fullscreen view */
3527 void
3528 max_stack(struct workspace *ws, struct swm_geometry *g)
3529 {
3530         struct swm_geometry     gg = *g;
3531         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3532         int                     winno, num_screens;
3533
3534         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3535
3536         if (ws == NULL)
3537                 return;
3538
3539         winno = count_win(ws, 0);
3540         if (winno == 0 && count_win(ws, 1) == 0)
3541                 return;
3542
3543         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3544         TAILQ_FOREACH(win, &ws->winlist, entry) {
3545                 if (win->transient) {
3546                         wintrans = win;
3547                         parent = find_window(win->transient);
3548                         continue;
3549                 }
3550
3551                 if (win->floating && win->floatmaxed == 0 ) {
3552                         /*
3553                          * retain geometry for retrieval on exit from
3554                          * max_stack mode
3555                          */
3556                         store_float_geom(win, ws->r);
3557                         win->floatmaxed = 1;
3558                 }
3559
3560                 /* only reconfigure if necessary */
3561                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3562                     HEIGHT(win) != gg.h) {
3563                         win->g = gg;
3564                         if (bar_enabled){
3565                                 win->bordered = 1;
3566                         } else {
3567                                 win->bordered = 0;
3568                                 WIDTH(win) += 2 * border_width;
3569                                 HEIGHT(win) += 2 * border_width;
3570                         }
3571
3572                         update_window(win);
3573                 }
3574                 /* unmap only if we don't have multi screen */
3575                 if (win != ws->focus)
3576                         if (!(num_screens > 1 || outputs > 1))
3577                                 unmap_window(win);
3578         }
3579
3580         /* put the last transient on top */
3581         if (wintrans) {
3582                 if (parent)
3583                         map_window_raised(parent->id);
3584                 stack_floater(wintrans, ws->r);
3585                 focus_magic(wintrans);
3586         }
3587 }
3588
3589 void
3590 send_to_ws(struct swm_region *r, union arg *args)
3591 {
3592         int                     wsid = args->id;
3593         struct ws_win           *win = NULL, *parent;
3594         struct workspace        *ws, *nws;
3595         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3596         char                    ws_idx_str[SWM_PROPLEN];
3597         union arg               a;
3598
3599         if (wsid >= workspace_limit)
3600                 return;
3601
3602         if (r && r->ws && r->ws->focus)
3603                 win = r->ws->focus;
3604         else
3605                 return;
3606         if (win == NULL)
3607                 return;
3608         if (win->ws->idx == wsid)
3609                 return;
3610
3611         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%lx\n", win->id);
3612
3613         ws = win->ws;
3614         nws = &win->s->ws[wsid];
3615
3616         a.id = SWM_ARG_ID_FOCUSPREV;
3617         focus(r, &a);
3618         if (win->transient) {
3619                 parent = find_window(win->transient);
3620                 if (parent) {
3621                         unmap_window(parent);
3622                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3623                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3624                         parent->ws = nws;
3625                 }
3626         }
3627         unmap_window(win);
3628         TAILQ_REMOVE(&ws->winlist, win, entry);
3629         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3630         if (TAILQ_EMPTY(&ws->winlist))
3631                 r->ws->focus = NULL;
3632         win->ws = nws;
3633
3634         /* Try to update the window's workspace property */
3635         ws_idx_atom = get_atom_from_string("_SWM_WS");
3636         if (ws_idx_atom &&
3637             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3638                 SWM_PROPLEN) {
3639                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3640                     ws_idx_str);
3641                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3642                         ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3643                         ws_idx_str);
3644         }
3645
3646         stack();
3647         bar_update();
3648 }
3649
3650 void
3651 pressbutton(struct swm_region *r, union arg *args)
3652 {
3653         XTestFakeButtonEvent(display, args->id, True, CurrentTime);
3654         XTestFakeButtonEvent(display, args->id, False, CurrentTime);
3655 }
3656
3657 void
3658 raise_toggle(struct swm_region *r, union arg *args)
3659 {
3660         if (r == NULL || r->ws == NULL)
3661                 return;
3662
3663         r->ws->always_raise = !r->ws->always_raise;
3664
3665         /* bring floaters back to top */
3666         if (r->ws->always_raise == 0)
3667                 stack();
3668 }
3669
3670 void
3671 iconify(struct swm_region *r, union arg *args)
3672 {
3673         union arg a;
3674
3675         if (r->ws->focus == NULL)
3676                 return;
3677         unmap_window(r->ws->focus);
3678         update_iconic(r->ws->focus, 1);
3679         stack();
3680         if (focus_mode == SWM_FOCUS_DEFAULT)
3681                 drain_enter_notify();
3682         r->ws->focus = NULL;
3683         a.id = SWM_ARG_ID_FOCUSCUR;
3684         focus(r, &a);
3685 }
3686
3687 unsigned char *
3688 get_win_name(xcb_window_t win)
3689 {
3690         unsigned char           *prop = NULL;
3691         unsigned long           nbytes, nitems;
3692
3693         /* try _NET_WM_NAME first */
3694         if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
3695             &prop)) {
3696                 XFree(prop);
3697                 if (get_property(win, a_netwmname, nbytes, a_utf8_string,
3698                     &nitems, NULL, &prop))
3699                         return (prop);
3700         }
3701
3702         /* fallback to WM_NAME */
3703         if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
3704                 return (NULL);
3705         XFree(prop);
3706         if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
3707                 return (prop);
3708
3709         return (NULL);
3710 }
3711
3712 void
3713 uniconify(struct swm_region *r, union arg *args)
3714 {
3715         struct ws_win           *win;
3716         FILE                    *lfile;
3717         unsigned char           *name;
3718         int                     count = 0;
3719
3720         DNPRINTF(SWM_D_MISC, "uniconify\n");
3721
3722         if (r == NULL || r->ws == NULL)
3723                 return;
3724
3725         /* make sure we have anything to uniconify */
3726         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3727                 if (win->ws == NULL)
3728                         continue; /* should never happen */
3729                 if (win->iconic == 0)
3730                         continue;
3731                 count++;
3732         }
3733         if (count == 0)
3734                 return;
3735
3736         search_r = r;
3737         search_resp_action = SWM_SEARCH_UNICONIFY;
3738
3739         spawn_select(r, args, "search", &searchpid);
3740
3741         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3742                 return;
3743
3744         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3745                 if (win->ws == NULL)
3746                         continue; /* should never happen */
3747                 if (win->iconic == 0)
3748                         continue;
3749
3750                 name = get_win_name(win->id);
3751                 if (name == NULL)
3752                         continue;
3753                 fprintf(lfile, "%s.%u\n", name, win->id);
3754                 XFree(name);
3755         }
3756
3757         fclose(lfile);
3758 }
3759
3760 void
3761 name_workspace(struct swm_region *r, union arg *args)
3762 {
3763         FILE                    *lfile;
3764
3765         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3766
3767         if (r == NULL)
3768                 return;
3769
3770         search_r = r;
3771         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3772
3773         spawn_select(r, args, "name_workspace", &searchpid);
3774
3775         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3776                 return;
3777
3778         fprintf(lfile, "%s", "");
3779         fclose(lfile);
3780 }
3781
3782 void
3783 search_workspace(struct swm_region *r, union arg *args)
3784 {
3785         int                     i;
3786         struct workspace        *ws;
3787         FILE                    *lfile;
3788
3789         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3790
3791         if (r == NULL)
3792                 return;
3793
3794         search_r = r;
3795         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3796
3797         spawn_select(r, args, "search", &searchpid);
3798
3799         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3800                 return;
3801
3802         for (i = 0; i < workspace_limit; i++) {
3803                 ws = &r->s->ws[i];
3804                 if (ws == NULL)
3805                         continue;
3806                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3807                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3808         }
3809
3810         fclose(lfile);
3811 }
3812
3813 void
3814 search_win_cleanup(void)
3815 {
3816         struct search_window    *sw = NULL;
3817
3818         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3819                 xcb_destroy_window(conn, sw->indicator);
3820                 XFreeGC(display, sw->gc);
3821                 TAILQ_REMOVE(&search_wl, sw, entry);
3822                 free(sw);
3823         }
3824 }
3825
3826 void
3827 search_win(struct swm_region *r, union arg *args)
3828 {
3829         struct ws_win           *win = NULL;
3830         struct search_window    *sw = NULL;
3831         xcb_window_t            w;
3832         XGCValues               gcv;
3833         int                     i;
3834         char                    s[8];
3835         FILE                    *lfile;
3836         size_t                  len;
3837         XRectangle              ibox, lbox;
3838
3839         DNPRINTF(SWM_D_MISC, "search_win\n");
3840
3841         search_r = r;
3842         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3843
3844         spawn_select(r, args, "search", &searchpid);
3845
3846         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3847                 return;
3848
3849         TAILQ_INIT(&search_wl);
3850
3851         i = 1;
3852         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3853                 if (win->iconic == 1)
3854                         continue;
3855
3856                 sw = calloc(1, sizeof(struct search_window));
3857                 if (sw == NULL) {
3858                         warn("search_win: calloc");
3859                         fclose(lfile);
3860                         search_win_cleanup();
3861                         return;
3862                 }
3863                 sw->idx = i;
3864                 sw->win = win;
3865
3866                 snprintf(s, sizeof s, "%d", i);
3867                 len = strlen(s);
3868
3869                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3870
3871                 w = XCreateSimpleWindow(display,
3872                     win->id, 0, 0,lbox.width + 4,
3873                     bar_fs_extents->max_logical_extent.height, 1,
3874                     r->s->c[SWM_S_COLOR_UNFOCUS].color,
3875                     r->s->c[SWM_S_COLOR_FOCUS].color);
3876
3877                 sw->indicator = w;
3878                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3879
3880                 sw->gc = XCreateGC(display, w, 0, &gcv);
3881                 map_window_raised(w);
3882                 XSetForeground(display, sw->gc, r->s->c[SWM_S_COLOR_BAR].color);
3883  
3884                 DRAWSTRING(display, w, bar_fs, sw->gc, 2,
3885                     (bar_fs_extents->max_logical_extent.height -
3886                     lbox.height) / 2 - lbox.y, s, len);
3887
3888                 fprintf(lfile, "%d\n", i);
3889                 i++;
3890         }
3891
3892         fclose(lfile);
3893 }
3894
3895 void
3896 search_resp_uniconify(char *resp, unsigned long len)
3897 {
3898         unsigned char           *name;
3899         struct ws_win           *win;
3900         char                    *s;
3901
3902         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3903
3904         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3905                 if (win->iconic == 0)
3906                         continue;
3907                 name = get_win_name(win->id);
3908                 if (name == NULL)
3909                         continue;
3910                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3911                         XFree(name);
3912                         continue;
3913                 }
3914                 XFree(name);
3915                 if (strncmp(s, resp, len) == 0) {
3916                         /* XXX this should be a callback to generalize */
3917                         update_iconic(win, 0);
3918                         free(s);
3919                         break;
3920                 }
3921                 free(s);
3922         }
3923 }
3924
3925 void
3926 search_resp_name_workspace(char *resp, unsigned long len)
3927 {
3928         struct workspace        *ws;
3929
3930         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3931
3932         if (search_r->ws == NULL)
3933                 return;
3934         ws = search_r->ws;
3935
3936         if (ws->name) {
3937                 free(search_r->ws->name);
3938                 search_r->ws->name = NULL;
3939         }
3940
3941         if (len > 1) {
3942                 ws->name = strdup(resp);
3943                 if (ws->name == NULL) {
3944                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3945                             "strdup: %s", strerror(errno));
3946                         return;
3947                 }
3948         }
3949 }
3950
3951 void
3952 search_resp_search_workspace(char *resp, unsigned long len)
3953 {
3954         char                    *p, *q;
3955         int                     ws_idx;
3956         const char              *errstr;
3957         union arg               a;
3958
3959         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3960
3961         q = strdup(resp);
3962         if (!q) {
3963                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3964                     strerror(errno));
3965                 return;
3966         }
3967         p = strchr(q, ':');
3968         if (p != NULL)
3969                 *p = '\0';
3970         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3971         if (errstr) {
3972                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3973                     errstr, q);
3974                 free(q);
3975                 return;
3976         }
3977         free(q);
3978         a.id = ws_idx - 1;
3979         switchws(search_r, &a);
3980 }
3981
3982 void
3983 search_resp_search_window(char *resp, unsigned long len)
3984 {
3985         char                    *s;
3986         int                     idx;
3987         const char              *errstr;
3988         struct search_window    *sw;
3989
3990         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3991
3992         s = strdup(resp);
3993         if (!s) {
3994                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3995                     strerror(errno));
3996                 return;
3997         }
3998
3999         idx = strtonum(s, 1, INT_MAX, &errstr);
4000         if (errstr) {
4001                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4002                     errstr, s);
4003                 free(s);
4004                 return;
4005         }
4006         free(s);
4007
4008         TAILQ_FOREACH(sw, &search_wl, entry)
4009                 if (idx == sw->idx) {
4010                         focus_win(sw->win);
4011                         break;
4012                 }
4013 }
4014
4015 #define MAX_RESP_LEN    1024
4016
4017 void
4018 search_do_resp(void)
4019 {
4020         ssize_t                 rbytes;
4021         char                    *resp;
4022         unsigned long           len;
4023
4024         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4025
4026         search_resp = 0;
4027         searchpid = 0;
4028
4029         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4030                 warn("search: calloc");
4031                 goto done;
4032         }
4033
4034         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4035         if (rbytes <= 0) {
4036                 warn("search: read error");
4037                 goto done;
4038         }
4039         resp[rbytes] = '\0';
4040
4041         /* XXX:
4042          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4043          * newline, so work around that by sanitizing the resp now.
4044          */
4045         resp[strcspn(resp, "\n")] = '\0';
4046         len = strlen(resp);
4047
4048         switch (search_resp_action) {
4049         case SWM_SEARCH_UNICONIFY:
4050                 search_resp_uniconify(resp, len);
4051                 break;
4052         case SWM_SEARCH_NAME_WORKSPACE:
4053                 search_resp_name_workspace(resp, len);
4054                 break;
4055         case SWM_SEARCH_SEARCH_WORKSPACE:
4056                 search_resp_search_workspace(resp, len);
4057                 break;
4058         case SWM_SEARCH_SEARCH_WINDOW:
4059                 search_resp_search_window(resp, len);
4060                 break;
4061         }
4062
4063 done:
4064         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4065                 search_win_cleanup();
4066
4067         search_resp_action = SWM_SEARCH_NONE;
4068         close(select_resp_pipe[0]);
4069         free(resp);
4070 }
4071
4072 void
4073 wkill(struct swm_region *r, union arg *args)
4074 {
4075         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4076
4077         if (r->ws->focus == NULL)
4078                 return;
4079
4080         if (args->id == SWM_ARG_ID_KILLWINDOW)
4081                 xcb_kill_client(conn, r->ws->focus->id);
4082         else
4083                 if (r->ws->focus->can_delete)
4084                         client_msg(r->ws->focus, adelete);
4085 }
4086
4087
4088 int
4089 floating_toggle_win(struct ws_win *win)
4090 {
4091         struct swm_region       *r;
4092
4093         if (win == NULL)
4094                 return (0);
4095
4096         if (!win->ws->r)
4097                 return (0);
4098
4099         r = win->ws->r;
4100
4101         /* reject floating toggles in max stack mode */
4102         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4103                 return (0);
4104
4105         if (win->floating) {
4106                 if (!win->floatmaxed) {
4107                         /* retain position for refloat */
4108                         store_float_geom(win, r);
4109                 }
4110                 win->floating = 0;
4111         } else {
4112                 if (win->g_floatvalid) {
4113                         /* refloat at last floating relative position */
4114                         X(win) = win->g_float.x + X(r);
4115                         Y(win) = win->g_float.y + Y(r);
4116                         WIDTH(win) = win->g_float.w;
4117                         HEIGHT(win) = win->g_float.h;
4118                 }
4119                 win->floating = 1;
4120         }
4121
4122         ewmh_update_actions(win);
4123
4124         return (1);
4125 }
4126
4127 void
4128 floating_toggle(struct swm_region *r, union arg *args)
4129 {
4130         struct ws_win           *win = r->ws->focus;
4131         union arg               a;
4132
4133         if (win == NULL)
4134                 return;
4135
4136         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4137             _NET_WM_STATE_TOGGLE);
4138
4139         stack();
4140         if (focus_mode == SWM_FOCUS_DEFAULT)
4141                 drain_enter_notify();
4142
4143         if (win == win->ws->focus) {
4144                 a.id = SWM_ARG_ID_FOCUSCUR;
4145                 focus(win->ws->r, &a);
4146         }
4147 }
4148
4149 void
4150 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4151 {
4152         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4153                 if (resizable)
4154                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4155                 else
4156                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4157         }
4158
4159         if (X(win) + BORDER(win) < X(r)) {
4160                 if (resizable)
4161                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4162
4163                 X(win) = X(r) - BORDER(win);
4164         }
4165
4166         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4167                 if (resizable)
4168                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4169                 else
4170                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4171         }
4172
4173         if (Y(win) + BORDER(win) < Y(r)) {
4174                 if (resizable)
4175                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4176
4177                 Y(win) = Y(r) - BORDER(win);
4178         }
4179
4180         if (resizable) {
4181                 if (WIDTH(win) < 1)
4182                         WIDTH(win) = 1;
4183                 if (HEIGHT(win) < 1)
4184                         HEIGHT(win) = 1;
4185         }
4186 }
4187
4188 void
4189 update_window(struct ws_win *win)
4190 {
4191         uint16_t        mask;
4192         uint32_t        wc[5];
4193
4194         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4195                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4196                 XCB_CONFIG_WINDOW_BORDER_WIDTH; 
4197         wc[0] = X(win);
4198         wc[1] = Y(win);
4199         wc[2] = WIDTH(win);
4200         wc[3] = HEIGHT(win);
4201         wc[4] = BORDER(win);
4202
4203         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4204             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4205             wc[3], YESNO(win->bordered));
4206
4207         xcb_configure_window(conn, win->id, mask, wc);
4208 }
4209
4210 #define SWM_RESIZE_STEPS        (50)
4211
4212 void
4213 resize(struct ws_win *win, union arg *args)
4214 {
4215         XEvent                  ev;
4216         Time                    time = 0;
4217         struct swm_region       *r = NULL;
4218         int                     resize_step = 0;
4219         Window                  rr, cr;
4220         int                     x, y, wx, wy;
4221         unsigned int            mask;
4222         struct swm_geometry     g;
4223         int                     top = 0, left = 0;
4224         int                     dx, dy;
4225         Cursor                  cursor;
4226         unsigned int            shape; /* cursor style */
4227
4228         if (win == NULL)
4229                 return;
4230         r = win->ws->r;
4231
4232         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4233                 return;
4234
4235         DNPRINTF(SWM_D_MOUSE, "resize: window: 0x%lx, floating: %s, "
4236             "transient: 0x%lx\n", win->id, YESNO(win->floating),
4237             win->transient);
4238
4239         if (!(win->transient != 0 || win->floating != 0))
4240                 return;
4241
4242         /* reject resizes in max mode for floaters (transient ok) */
4243         if (win->floatmaxed)
4244                 return;
4245
4246         win->manual = 1;
4247         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4248             _NET_WM_STATE_ADD);
4249
4250         stack();
4251
4252         switch (args->id) {
4253         case SWM_ARG_ID_WIDTHSHRINK:
4254                 WIDTH(win) -= SWM_RESIZE_STEPS;
4255                 resize_step = 1;
4256                 break;
4257         case SWM_ARG_ID_WIDTHGROW:
4258                 WIDTH(win) += SWM_RESIZE_STEPS;
4259                 resize_step = 1;
4260                 break;
4261         case SWM_ARG_ID_HEIGHTSHRINK:
4262                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4263                 resize_step = 1;
4264                 break;
4265         case SWM_ARG_ID_HEIGHTGROW:
4266                 HEIGHT(win) += SWM_RESIZE_STEPS;
4267                 resize_step = 1;
4268                 break;
4269         default:
4270                 break;
4271         }
4272         if (resize_step) {
4273                 constrain_window(win, r, 1);
4274                 update_window(win);
4275                 store_float_geom(win,r);
4276                 return;
4277         }
4278
4279         if (focus_mode == SWM_FOCUS_DEFAULT)
4280                 drain_enter_notify();
4281
4282         /* get cursor offset from window root */
4283         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4284             return;
4285
4286         g = win->g;
4287
4288         if (wx < WIDTH(win) / 2)
4289                 left = 1;
4290
4291         if (wy < HEIGHT(win) / 2)
4292                 top = 1;
4293
4294         if (args->id == SWM_ARG_ID_CENTER)
4295                 shape = XC_sizing;
4296         else if (top)
4297                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4298         else
4299                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4300
4301         cursor = XCreateFontCursor(display, shape);
4302
4303         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4304             GrabModeAsync, None, cursor, CurrentTime) != GrabSuccess) {
4305                 XFreeCursor(display, cursor);
4306                 return;
4307         }
4308
4309         do {
4310                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4311                     SubstructureRedirectMask, &ev);
4312                 switch (ev.type) {
4313                 case ConfigureRequest:
4314                 case Expose:
4315                 case MapRequest:
4316                         handler[ev.type](&ev);
4317                         break;
4318                 case MotionNotify:
4319                         /* cursor offset/delta from start of the operation */
4320                         dx = ev.xmotion.x_root - x;
4321                         dy = ev.xmotion.y_root - y;
4322
4323                         /* vertical */
4324                         if (top)
4325                                 dy = -dy;
4326
4327                         if (args->id == SWM_ARG_ID_CENTER) {
4328                                 if (g.h / 2 + dy < 1)
4329                                         dy = 1 - g.h / 2;
4330
4331                                 Y(win) = g.y - dy;
4332                                 HEIGHT(win) = g.h + 2 * dy;
4333                         } else {
4334                                 if (g.h + dy < 1)
4335                                         dy = 1 - g.h;
4336
4337                                 if (top)
4338                                         Y(win) = g.y - dy;
4339
4340                                 HEIGHT(win) = g.h + dy;
4341                         }
4342
4343                         /* horizontal */
4344                         if (left)
4345                                 dx = -dx;
4346
4347                         if (args->id == SWM_ARG_ID_CENTER) {
4348                                 if (g.w / 2 + dx < 1)
4349                                         dx = 1 - g.w / 2;
4350
4351                                 X(win) = g.x - dx;
4352                                 WIDTH(win) = g.w + 2 * dx;
4353                         } else {
4354                                 if (g.w + dx < 1)
4355                                         dx = 1 - g.w;
4356
4357                                 if (left)
4358                                         X(win) = g.x - dx;
4359
4360                                 WIDTH(win) = g.w + dx;
4361                         }
4362
4363                         constrain_window(win, r, 1);
4364
4365                         /* not free, don't sync more than 120 times / second */
4366                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4367                                 time = ev.xmotion.time;
4368                                 XSync(display, False);
4369                                 update_window(win);
4370                         }
4371                         break;
4372                 }
4373         } while (ev.type != ButtonRelease);
4374         if (time) {
4375                 XSync(display, False);
4376                 update_window(win);
4377         }
4378         store_float_geom(win,r);
4379
4380         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4381         XFreeCursor(display, cursor);
4382
4383         /* drain events */
4384         drain_enter_notify();
4385 }
4386
4387 void
4388 resize_step(struct swm_region *r, union arg *args)
4389 {
4390         struct ws_win           *win = NULL;
4391
4392         if (r && r->ws && r->ws->focus)
4393                 win = r->ws->focus;
4394         else
4395                 return;
4396
4397         resize(win, args);
4398 }
4399
4400 #define SWM_MOVE_STEPS  (50)
4401
4402 void
4403 move(struct ws_win *win, union arg *args)
4404 {
4405         XEvent                  ev;
4406         Time                    time = 0;
4407         int                     move_step = 0;
4408         struct swm_region       *r = NULL;
4409
4410         Window                  rr, cr;
4411         int                     x, y, wx, wy;
4412         unsigned int            mask;
4413
4414         if (win == NULL)
4415                 return;
4416         r = win->ws->r;
4417
4418         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4419                 return;
4420
4421         DNPRINTF(SWM_D_MOUSE, "move: window: 0x%lx, floating: %s, transient: "
4422             "0x%lx\n", win->id, YESNO(win->floating), win->transient);
4423
4424         /* in max_stack mode should only move transients */
4425         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4426                 return;
4427
4428         win->manual = 1;
4429         if (win->floating == 0 && !win->transient) {
4430                 store_float_geom(win, r);
4431                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4432                     _NET_WM_STATE_ADD);
4433         }
4434         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4435             _NET_WM_STATE_ADD);
4436
4437         stack();
4438
4439         move_step = 0;
4440         switch (args->id) {
4441         case SWM_ARG_ID_MOVELEFT:
4442                 X(win) -= (SWM_MOVE_STEPS - border_width);
4443                 move_step = 1;
4444                 break;
4445         case SWM_ARG_ID_MOVERIGHT:
4446                 X(win) += (SWM_MOVE_STEPS - border_width);
4447                 move_step = 1;
4448                 break;
4449         case SWM_ARG_ID_MOVEUP:
4450                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4451                 move_step = 1;
4452                 break;
4453         case SWM_ARG_ID_MOVEDOWN:
4454                 Y(win) += (SWM_MOVE_STEPS - border_width);
4455                 move_step = 1;
4456                 break;
4457         default:
4458                 break;
4459         }
4460         if (move_step) {
4461                 constrain_window(win, r, 0);
4462                 update_window(win);
4463                 store_float_geom(win, r);
4464                 return;
4465         }
4466
4467         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
4468             GrabModeAsync, None, XCreateFontCursor(display, XC_fleur),
4469             CurrentTime) != GrabSuccess)
4470                 return;
4471
4472         /* get cursor offset from window root */
4473         if (!XQueryPointer(display, win->id, &rr, &cr, &x, &y, &wx, &wy, &mask))
4474             return;
4475
4476         do {
4477                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4478                     SubstructureRedirectMask, &ev);
4479                 switch (ev.type) {
4480                 case ConfigureRequest:
4481                 case Expose:
4482                 case MapRequest:
4483                         handler[ev.type](&ev);
4484                         break;
4485                 case MotionNotify:
4486                         X(win) = ev.xmotion.x_root - wx - border_width;
4487                         Y(win) = ev.xmotion.y_root - wy - border_width;
4488
4489                         constrain_window(win, r, 0);
4490
4491                         /* not free, don't sync more than 120 times / second */
4492                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
4493                                 time = ev.xmotion.time;
4494                                 XSync(display, False);
4495                                 update_window(win);
4496                         }
4497                         break;
4498                 }
4499         } while (ev.type != ButtonRelease);
4500         if (time) {
4501                 XSync(display, False);
4502                 update_window(win);
4503         }
4504         store_float_geom(win, r);
4505         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);     
4506
4507         /* drain events */
4508         drain_enter_notify();
4509 }
4510
4511 void
4512 move_step(struct swm_region *r, union arg *args)
4513 {
4514         struct ws_win           *win = NULL;
4515
4516         if (r && r->ws && r->ws->focus)
4517                 win = r->ws->focus;
4518         else
4519                 return;
4520
4521         if (!(win->transient != 0 || win->floating != 0))
4522                 return;
4523
4524         move(win, args);
4525 }
4526
4527
4528 /* user/key callable function IDs */
4529 enum keyfuncid {
4530         kf_cycle_layout,
4531         kf_flip_layout,
4532         kf_stack_reset,
4533         kf_master_shrink,
4534         kf_master_grow,
4535         kf_master_add,
4536         kf_master_del,
4537         kf_stack_inc,
4538         kf_stack_dec,
4539         kf_swap_main,
4540         kf_focus_next,
4541         kf_focus_prev,
4542         kf_swap_next,
4543         kf_swap_prev,
4544         kf_quit,
4545         kf_restart,
4546         kf_focus_main,
4547         kf_ws_1,
4548         kf_ws_2,
4549         kf_ws_3,
4550         kf_ws_4,
4551         kf_ws_5,
4552         kf_ws_6,
4553         kf_ws_7,
4554         kf_ws_8,
4555         kf_ws_9,
4556         kf_ws_10,
4557         kf_ws_11,
4558         kf_ws_12,
4559         kf_ws_13,
4560         kf_ws_14,
4561         kf_ws_15,
4562         kf_ws_16,
4563         kf_ws_17,
4564         kf_ws_18,
4565         kf_ws_19,
4566         kf_ws_20,
4567         kf_ws_21,
4568         kf_ws_22,
4569         kf_ws_next,
4570         kf_ws_prev,
4571         kf_ws_next_all,
4572         kf_ws_prev_all,
4573         kf_ws_prior,
4574         kf_screen_next,
4575         kf_screen_prev,
4576         kf_mvws_1,
4577         kf_mvws_2,
4578         kf_mvws_3,
4579         kf_mvws_4,
4580         kf_mvws_5,
4581         kf_mvws_6,
4582         kf_mvws_7,
4583         kf_mvws_8,
4584         kf_mvws_9,
4585         kf_mvws_10,
4586         kf_mvws_11,
4587         kf_mvws_12,
4588         kf_mvws_13,
4589         kf_mvws_14,
4590         kf_mvws_15,
4591         kf_mvws_16,
4592         kf_mvws_17,
4593         kf_mvws_18,
4594         kf_mvws_19,
4595         kf_mvws_20,
4596         kf_mvws_21,
4597         kf_mvws_22,
4598         kf_bar_toggle,
4599         kf_wind_kill,
4600         kf_wind_del,
4601         kf_float_toggle,
4602         kf_version,
4603         kf_spawn_custom,
4604         kf_iconify,
4605         kf_uniconify,
4606         kf_raise_toggle,
4607         kf_button2,
4608         kf_width_shrink,
4609         kf_width_grow,
4610         kf_height_shrink,
4611         kf_height_grow,
4612         kf_move_left,
4613         kf_move_right,
4614         kf_move_up,
4615         kf_move_down,
4616         kf_name_workspace,
4617         kf_search_workspace,
4618         kf_search_win,
4619         kf_dumpwins, /* MUST BE LAST */
4620         kf_invalid
4621 };
4622
4623 /* key definitions */
4624 void
4625 dummykeyfunc(struct swm_region *r, union arg *args)
4626 {
4627 };
4628
4629 struct keyfunc {
4630         char                    name[SWM_FUNCNAME_LEN];
4631         void                    (*func)(struct swm_region *r, union arg *);
4632         union arg               args;
4633 } keyfuncs[kf_invalid + 1] = {
4634         /* name                 function        argument */
4635         { "cycle_layout",       cycle_layout,   {0} },
4636         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4637         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4638         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4639         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4640         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4641         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4642         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4643         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4644         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4645         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4646         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4647         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4648         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4649         { "quit",               quit,           {0} },
4650         { "restart",            restart,        {0} },
4651         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4652         { "ws_1",               switchws,       {.id = 0} },
4653         { "ws_2",               switchws,       {.id = 1} },
4654         { "ws_3",               switchws,       {.id = 2} },
4655         { "ws_4",               switchws,       {.id = 3} },
4656         { "ws_5",               switchws,       {.id = 4} },
4657         { "ws_6",               switchws,       {.id = 5} },
4658         { "ws_7",               switchws,       {.id = 6} },
4659         { "ws_8",               switchws,       {.id = 7} },
4660         { "ws_9",               switchws,       {.id = 8} },
4661         { "ws_10",              switchws,       {.id = 9} },
4662         { "ws_11",              switchws,       {.id = 10} },
4663         { "ws_12",              switchws,       {.id = 11} },
4664         { "ws_13",              switchws,       {.id = 12} },
4665         { "ws_14",              switchws,       {.id = 13} },
4666         { "ws_15",              switchws,       {.id = 14} },
4667         { "ws_16",              switchws,       {.id = 15} },
4668         { "ws_17",              switchws,       {.id = 16} },
4669         { "ws_18",              switchws,       {.id = 17} },
4670         { "ws_19",              switchws,       {.id = 18} },
4671         { "ws_20",              switchws,       {.id = 19} },
4672         { "ws_21",              switchws,       {.id = 20} },
4673         { "ws_22",              switchws,       {.id = 21} },
4674         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4675         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4676         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4677         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4678         { "ws_prior",           priorws,        {0} },
4679         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4680         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4681         { "mvws_1",             send_to_ws,     {.id = 0} },
4682         { "mvws_2",             send_to_ws,     {.id = 1} },
4683         { "mvws_3",             send_to_ws,     {.id = 2} },
4684         { "mvws_4",             send_to_ws,     {.id = 3} },
4685         { "mvws_5",             send_to_ws,     {.id = 4} },
4686         { "mvws_6",             send_to_ws,     {.id = 5} },
4687         { "mvws_7",             send_to_ws,     {.id = 6} },
4688         { "mvws_8",             send_to_ws,     {.id = 7} },
4689         { "mvws_9",             send_to_ws,     {.id = 8} },
4690         { "mvws_10",            send_to_ws,     {.id = 9} },
4691         { "mvws_11",            send_to_ws,     {.id = 10} },
4692         { "mvws_12",            send_to_ws,     {.id = 11} },
4693         { "mvws_13",            send_to_ws,     {.id = 12} },
4694         { "mvws_14",            send_to_ws,     {.id = 13} },
4695         { "mvws_15",            send_to_ws,     {.id = 14} },
4696         { "mvws_16",            send_to_ws,     {.id = 15} },
4697         { "mvws_17",            send_to_ws,     {.id = 16} },
4698         { "mvws_18",            send_to_ws,     {.id = 17} },
4699         { "mvws_19",            send_to_ws,     {.id = 18} },
4700         { "mvws_20",            send_to_ws,     {.id = 19} },
4701         { "mvws_21",            send_to_ws,     {.id = 20} },
4702         { "mvws_22",            send_to_ws,     {.id = 21} },
4703         { "bar_toggle",         bar_toggle,     {0} },
4704         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4705         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4706         { "float_toggle",       floating_toggle,{0} },
4707         { "version",            version,        {0} },
4708         { "spawn_custom",       dummykeyfunc,   {0} },
4709         { "iconify",            iconify,        {0} },
4710         { "uniconify",          uniconify,      {0} },
4711         { "raise_toggle",       raise_toggle,   {0} },
4712         { "button2",            pressbutton,    {2} },
4713         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4714         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4715         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4716         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4717         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4718         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4719         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4720         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4721         { "name_workspace",     name_workspace, {0} },
4722         { "search_workspace",   search_workspace,       {0} },
4723         { "search_win",         search_win,     {0} },
4724         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4725         { "invalid key func",   NULL,           {0} },
4726 };
4727 struct key {
4728         RB_ENTRY(key)           entry;
4729         unsigned int            mod;
4730         KeySym                  keysym;
4731         enum keyfuncid          funcid;
4732         char                    *spawn_name;
4733 };
4734 RB_HEAD(key_tree, key);
4735
4736 int
4737 key_cmp(struct key *kp1, struct key *kp2)
4738 {
4739         if (kp1->keysym < kp2->keysym)
4740                 return (-1);
4741         if (kp1->keysym > kp2->keysym)
4742                 return (1);
4743
4744         if (kp1->mod < kp2->mod)
4745                 return (-1);
4746         if (kp1->mod > kp2->mod)
4747                 return (1);
4748
4749         return (0);
4750 }
4751
4752 RB_GENERATE(key_tree, key, entry, key_cmp);
4753 struct key_tree                 keys;
4754
4755 /* mouse */
4756 enum { client_click, root_click };
4757 struct button {
4758         unsigned int            action;
4759         unsigned int            mask;
4760         unsigned int            button;
4761         void                    (*func)(struct ws_win *, union arg *);
4762         union arg               args;
4763 } buttons[] = {
4764           /* action     key             mouse button    func    args */
4765         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4766         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4767         { client_click, MODKEY,         Button1,        move,   {0} },
4768 };
4769
4770 void
4771 update_modkey(unsigned int mod)
4772 {
4773         int                     i;
4774         struct key              *kp;
4775
4776         mod_key = mod;
4777         RB_FOREACH(kp, key_tree, &keys)
4778                 if (kp->mod & ShiftMask)
4779                         kp->mod = mod | ShiftMask;
4780                 else
4781                         kp->mod = mod;
4782
4783         for (i = 0; i < LENGTH(buttons); i++)
4784                 if (buttons[i].mask & ShiftMask)
4785                         buttons[i].mask = mod | ShiftMask;
4786                 else
4787                         buttons[i].mask = mod;
4788 }
4789
4790 /* spawn */
4791 struct spawn_prog {
4792         TAILQ_ENTRY(spawn_prog) entry;
4793         char                    *name;
4794         int                     argc;
4795         char                    **argv;
4796 };
4797 TAILQ_HEAD(spawn_list, spawn_prog);
4798 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4799
4800 int
4801 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4802     char ***ret_args)
4803 {
4804         struct spawn_prog       *prog = NULL;
4805         int                     i;
4806         char                    *ap, **real_args;
4807
4808         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4809
4810         /* find program */
4811         TAILQ_FOREACH(prog, &spawns, entry) {
4812                 if (!strcasecmp(spawn_name, prog->name))
4813                         break;
4814         }
4815         if (prog == NULL) {
4816                 warnx("spawn_custom: program %s not found", spawn_name);
4817                 return (-1);
4818         }
4819
4820         /* make room for expanded args */
4821         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4822                 err(1, "spawn_custom: calloc real_args");
4823
4824         /* expand spawn_args into real_args */
4825         for (i = 0; i < prog->argc; i++) {
4826                 ap = prog->argv[i];
4827                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4828                 if (!strcasecmp(ap, "$bar_border")) {
4829                         if ((real_args[i] =
4830                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4831                             == NULL)
4832                                 err(1,  "spawn_custom border color");
4833                 } else if (!strcasecmp(ap, "$bar_color")) {
4834                         if ((real_args[i] =
4835                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4836                             == NULL)
4837                                 err(1, "spawn_custom bar color");
4838                 } else if (!strcasecmp(ap, "$bar_font")) {
4839                         if ((real_args[i] = strdup(bar_fonts))
4840                             == NULL)
4841                                 err(1, "spawn_custom bar fonts");
4842                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4843                         if ((real_args[i] =
4844                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4845                             == NULL)
4846                                 err(1, "spawn_custom color font");
4847                 } else if (!strcasecmp(ap, "$color_focus")) {
4848                         if ((real_args[i] =
4849                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4850                             == NULL)
4851                                 err(1, "spawn_custom color focus");
4852                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4853                         if ((real_args[i] =
4854                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4855                             == NULL)
4856                                 err(1, "spawn_custom color unfocus");
4857                 } else {
4858                         /* no match --> copy as is */
4859                         if ((real_args[i] = strdup(ap)) == NULL)
4860                                 err(1, "spawn_custom strdup(ap)");
4861                 }
4862                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4863                     real_args[i]);
4864         }
4865
4866 #ifdef SWM_DEBUG
4867         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4868         for (i = 0; i < prog->argc; i++)
4869                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4870         DNPRINTF(SWM_D_SPAWN, "\n");
4871 #endif
4872         *ret_args = real_args;
4873         return (prog->argc);
4874 }
4875
4876 void
4877 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4878 {
4879         union arg               a;
4880         char                    **real_args;
4881         int                     spawn_argc, i;
4882
4883         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4884                 return;
4885         a.argv = real_args;
4886         if (fork() == 0)
4887                 spawn(r->ws->idx, &a, 1);
4888
4889         for (i = 0; i < spawn_argc; i++)
4890                 free(real_args[i]);
4891         free(real_args);
4892 }
4893
4894 void
4895 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4896 {
4897         union arg               a;
4898         char                    **real_args;
4899         int                     i, spawn_argc;
4900
4901         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4902                 return;
4903         a.argv = real_args;
4904
4905         if (pipe(select_list_pipe) == -1)
4906                 err(1, "pipe error");
4907         if (pipe(select_resp_pipe) == -1)
4908                 err(1, "pipe error");
4909
4910         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4911                 err(1, "could not disable SIGPIPE");
4912         switch (*pid = fork()) {
4913         case -1:
4914                 err(1, "cannot fork");
4915                 break;
4916         case 0: /* child */
4917                 if (dup2(select_list_pipe[0], 0) == -1)
4918                         err(1, "dup2");
4919                 if (dup2(select_resp_pipe[1], 1) == -1)
4920                         err(1, "dup2");
4921                 close(select_list_pipe[1]);
4922                 close(select_resp_pipe[0]);
4923                 spawn(r->ws->idx, &a, 0);
4924                 break;
4925         default: /* parent */
4926                 close(select_list_pipe[0]);
4927                 close(select_resp_pipe[1]);
4928                 break;
4929         }
4930
4931         for (i = 0; i < spawn_argc; i++)
4932                 free(real_args[i]);
4933         free(real_args);
4934 }
4935
4936 void
4937 spawn_insert(char *name, char *args)
4938 {
4939         char                    *arg, *cp, *ptr;
4940         struct spawn_prog       *sp;
4941
4942         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4943
4944         if ((sp = calloc(1, sizeof *sp)) == NULL)
4945                 err(1, "spawn_insert: malloc");
4946         if ((sp->name = strdup(name)) == NULL)
4947                 err(1, "spawn_insert: strdup");
4948
4949         /* convert the arguments to an argument list */
4950         if ((ptr = cp = strdup(args)) == NULL)
4951                 err(1, "spawn_insert: strdup");
4952         while ((arg = strsep(&ptr, " \t")) != NULL) {
4953                 /* empty field; skip it */
4954                 if (*arg == '\0')
4955                         continue;
4956
4957                 sp->argc++;
4958                 if ((sp->argv = realloc(sp->argv, sp->argc *
4959                     sizeof *sp->argv)) == NULL)
4960                         err(1, "spawn_insert: realloc");
4961                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4962                         err(1, "spawn_insert: strdup");
4963         }
4964         free(cp);
4965
4966         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4967         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
4968 }
4969
4970 void
4971 spawn_remove(struct spawn_prog *sp)
4972 {
4973         int                     i;
4974
4975         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
4976
4977         TAILQ_REMOVE(&spawns, sp, entry);
4978         for (i = 0; i < sp->argc; i++)
4979                 free(sp->argv[i]);
4980         free(sp->argv);
4981         free(sp->name);
4982         free(sp);
4983
4984         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
4985 }
4986
4987 void
4988 spawn_replace(struct spawn_prog *sp, char *name, char *args)
4989 {
4990         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
4991
4992         spawn_remove(sp);
4993         spawn_insert(name, args);
4994
4995         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
4996 }
4997
4998 void
4999 setspawn(char *name, char *args)
5000 {
5001         struct spawn_prog       *sp;
5002
5003         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5004
5005         if (name == NULL)
5006                 return;
5007
5008         TAILQ_FOREACH(sp, &spawns, entry) {
5009                 if (!strcmp(sp->name, name)) {
5010                         if (*args == '\0')
5011                                 spawn_remove(sp);
5012                         else
5013                                 spawn_replace(sp, name, args);
5014                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5015                         return;
5016                 }
5017         }
5018         if (*args == '\0') {
5019                 warnx("error: setspawn: cannot find program: %s", name);
5020                 return;
5021         }
5022
5023         spawn_insert(name, args);
5024         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5025 }
5026
5027 int
5028 setconfspawn(char *selector, char *value, int flags)
5029 {
5030         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5031
5032         setspawn(selector, value);
5033
5034         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5035         return (0);
5036 }
5037
5038 void
5039 setup_spawn(void)
5040 {
5041         setconfspawn("term",            "xterm",                0);
5042         setconfspawn("spawn_term",      "xterm",                0);
5043         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5044         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5045         setconfspawn("lock",            "xlock",                0);
5046         setconfspawn("initscr",         "initscreen.sh",        0);
5047         setconfspawn("menu",            "dmenu_run"
5048                                         " -fn $bar_font"
5049                                         " -nb $bar_color"
5050                                         " -nf $bar_font_color"
5051                                         " -sb $bar_border"
5052                                         " -sf $bar_color",      0);
5053         setconfspawn("search",          "dmenu"
5054                                         " -i"
5055                                         " -fn $bar_font"
5056                                         " -nb $bar_color"
5057                                         " -nf $bar_font_color"
5058                                         " -sb $bar_border"
5059                                         " -sf $bar_color",      0);
5060         setconfspawn("name_workspace",  "dmenu"
5061                                         " -p Workspace"
5062                                         " -fn $bar_font"
5063                                         " -nb $bar_color"
5064                                         " -nf $bar_font_color"
5065                                         " -sb $bar_border"
5066                                         " -sf $bar_color",      0);
5067 }
5068
5069 /* key bindings */
5070 #define SWM_MODNAME_SIZE        32
5071 #define SWM_KEY_WS              "\n+ \t"
5072 int
5073 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5074 {
5075         char                    *cp, *name;
5076         KeySym                  uks;
5077         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5078         if (mod == NULL || ks == NULL) {
5079                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5080                 return (1);
5081         }
5082         if (keystr == NULL || strlen(keystr) == 0) {
5083                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5084                 return (1);
5085         }
5086         cp = keystr;
5087         *ks = NoSymbol;
5088         *mod = 0;
5089         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5090                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5091                 if (cp)
5092                         cp += (long)strspn(cp, SWM_KEY_WS);
5093                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5094                         *mod |= currmod;
5095                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5096                         *mod |= Mod1Mask;
5097                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5098                         *mod += Mod2Mask;
5099                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5100                         *mod |= Mod3Mask;
5101                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5102                         *mod |= Mod4Mask;
5103                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5104                         *mod |= ShiftMask;
5105                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5106                         *mod |= ControlMask;
5107                 else {
5108                         *ks = XStringToKeysym(name);
5109                         XConvertCase(*ks, ks, &uks);
5110                         if (ks == NoSymbol) {
5111                                 DNPRINTF(SWM_D_KEY,
5112                                     "parsekeys: invalid key %s\n",
5113                                     name);
5114                                 return (1);
5115                         }
5116                 }
5117         }
5118         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5119         return (0);
5120 }
5121
5122 char *
5123 strdupsafe(char *str)
5124 {
5125         if (str == NULL)
5126                 return (NULL);
5127         else
5128                 return (strdup(str));
5129 }
5130
5131 void
5132 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5133 {
5134         struct key              *kp;
5135
5136         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5137             keyfuncs[kfid].name, spawn_name);
5138
5139         if ((kp = malloc(sizeof *kp)) == NULL)
5140                 err(1, "key_insert: malloc");
5141
5142         kp->mod = mod;
5143         kp->keysym = ks;
5144         kp->funcid = kfid;
5145         kp->spawn_name = strdupsafe(spawn_name);
5146         RB_INSERT(key_tree, &keys, kp);
5147
5148         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5149 }
5150
5151 struct key *
5152 key_lookup(unsigned int mod, KeySym ks)
5153 {
5154         struct key              kp;
5155
5156         kp.keysym = ks;
5157         kp.mod = mod;
5158
5159         return (RB_FIND(key_tree, &keys, &kp));
5160 }
5161
5162 void
5163 key_remove(struct key *kp)
5164 {
5165         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5166
5167         RB_REMOVE(key_tree, &keys, kp);
5168         free(kp->spawn_name);
5169         free(kp);
5170
5171         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5172 }
5173
5174 void
5175 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5176     char *spawn_name)
5177 {
5178         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5179             spawn_name);
5180
5181         key_remove(kp);
5182         key_insert(mod, ks, kfid, spawn_name);
5183
5184         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5185 }
5186
5187 void
5188 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5189     char *spawn_name)
5190 {
5191         struct key              *kp;
5192
5193         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5194             keyfuncs[kfid].name, spawn_name);
5195
5196         if ((kp = key_lookup(mod, ks)) != NULL) {
5197                 if (kfid == kf_invalid)
5198                         key_remove(kp);
5199                 else
5200                         key_replace(kp, mod, ks, kfid, spawn_name);
5201                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5202                 return;
5203         }
5204         if (kfid == kf_invalid) {
5205                 warnx("error: setkeybinding: cannot find mod/key combination");
5206                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5207                 return;
5208         }
5209
5210         key_insert(mod, ks, kfid, spawn_name);
5211         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5212 }
5213
5214 int
5215 setconfbinding(char *selector, char *value, int flags)
5216 {
5217         enum keyfuncid          kfid;
5218         unsigned int            mod;
5219         KeySym                  ks;
5220         struct spawn_prog       *sp;
5221         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5222         if (selector == NULL) {
5223                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5224                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5225                         kfid = kf_invalid;
5226                         setkeybinding(mod, ks, kfid, NULL);
5227                         return (0);
5228                 } else
5229                         return (1);
5230         }
5231         /* search by key function name */
5232         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
5233                 if (strncasecmp(selector, keyfuncs[kfid].name,
5234                     SWM_FUNCNAME_LEN) == 0) {
5235                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5236                             selector);
5237                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5238                                 setkeybinding(mod, ks, kfid, NULL);
5239                                 return (0);
5240                         } else
5241                                 return (1);
5242                 }
5243         }
5244         /* search by custom spawn name */
5245         TAILQ_FOREACH(sp, &spawns, entry) {
5246                 if (strcasecmp(selector, sp->name) == 0) {
5247                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5248                             selector);
5249                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5250                                 setkeybinding(mod, ks, kf_spawn_custom,
5251                                     sp->name);
5252                                 return (0);
5253                         } else
5254                                 return (1);
5255                 }
5256         }
5257         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5258         return (1);
5259 }
5260
5261 void
5262 setup_keys(void)
5263 {
5264         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
5265         setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
5266         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
5267         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
5268         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
5269         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
5270         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
5271         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
5272         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
5273         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
5274         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
5275         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
5276         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
5277         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
5278         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_custom,"term");
5279         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,"menu");
5280         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
5281         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
5282         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
5283         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
5284         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
5285         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
5286         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
5287         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
5288         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
5289         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
5290         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
5291         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
5292         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
5293         setkeybinding(MODKEY,           XK_F1,          kf_ws_11,       NULL);
5294         setkeybinding(MODKEY,           XK_F2,          kf_ws_12,       NULL);
5295         setkeybinding(MODKEY,           XK_F3,          kf_ws_13,       NULL);
5296         setkeybinding(MODKEY,           XK_F4,          kf_ws_14,       NULL);
5297         setkeybinding(MODKEY,           XK_F5,          kf_ws_15,       NULL);
5298         setkeybinding(MODKEY,           XK_F6,          kf_ws_16,       NULL);
5299         setkeybinding(MODKEY,           XK_F7,          kf_ws_17,       NULL);
5300         setkeybinding(MODKEY,           XK_F8,          kf_ws_18,       NULL);
5301         setkeybinding(MODKEY,           XK_F9,          kf_ws_19,       NULL);
5302         setkeybinding(MODKEY,           XK_F10,         kf_ws_20,       NULL);
5303         setkeybinding(MODKEY,           XK_F11,         kf_ws_21,       NULL);
5304         setkeybinding(MODKEY,           XK_F12,         kf_ws_22,       NULL);
5305         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
5306         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
5307         setkeybinding(MODKEY,           XK_Up,          kf_ws_next_all, NULL);
5308         setkeybinding(MODKEY,           XK_Down,        kf_ws_prev_all, NULL);
5309         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
5310         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
5311         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
5312         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
5313         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
5314         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
5315         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
5316         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
5317         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
5318         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
5319         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
5320         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
5321         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
5322         setkeybinding(MODKEY|ShiftMask, XK_F1,          kf_mvws_11,     NULL);
5323         setkeybinding(MODKEY|ShiftMask, XK_F2,          kf_mvws_12,     NULL);
5324         setkeybinding(MODKEY|ShiftMask, XK_F3,          kf_mvws_13,     NULL);
5325         setkeybinding(MODKEY|ShiftMask, XK_F4,          kf_mvws_14,     NULL);
5326         setkeybinding(MODKEY|ShiftMask, XK_F5,          kf_mvws_15,     NULL);
5327         setkeybinding(MODKEY|ShiftMask, XK_F6,          kf_mvws_16,     NULL);
5328         setkeybinding(MODKEY|ShiftMask, XK_F7,          kf_mvws_17,     NULL);
5329         setkeybinding(MODKEY|ShiftMask, XK_F8,          kf_mvws_18,     NULL);
5330         setkeybinding(MODKEY|ShiftMask, XK_F9,          kf_mvws_19,     NULL);
5331         setkeybinding(MODKEY|ShiftMask, XK_F10,         kf_mvws_20,     NULL);
5332         setkeybinding(MODKEY|ShiftMask, XK_F11,         kf_mvws_21,     NULL);
5333         setkeybinding(MODKEY|ShiftMask, XK_F12,         kf_mvws_22,     NULL);
5334         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
5335         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
5336         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
5337         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
5338         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
5339         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,"screenshot_all");
5340         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,"screenshot_wind");
5341         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
5342         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
5343         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,"lock");
5344         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,"initscr");
5345         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
5346         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
5347         setkeybinding(MODKEY|ShiftMask, XK_r,           kf_raise_toggle,NULL);
5348         setkeybinding(MODKEY,           XK_v,           kf_button2,     NULL);
5349         setkeybinding(MODKEY,           XK_equal,       kf_width_grow,  NULL);
5350         setkeybinding(MODKEY,           XK_minus,       kf_width_shrink,NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_equal,       kf_height_grow, NULL);
5352         setkeybinding(MODKEY|ShiftMask, XK_minus,       kf_height_shrink,NULL);
5353         setkeybinding(MODKEY,           XK_bracketleft, kf_move_left,   NULL);
5354         setkeybinding(MODKEY,           XK_bracketright,kf_move_right,  NULL);
5355         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, kf_move_up,     NULL);
5356         setkeybinding(MODKEY|ShiftMask, XK_bracketright,kf_move_down,   NULL);
5357         setkeybinding(MODKEY|ShiftMask, XK_slash,       kf_name_workspace,NULL);
5358         setkeybinding(MODKEY,           XK_slash,       kf_search_workspace,NULL);
5359         setkeybinding(MODKEY,           XK_f,           kf_search_win,  NULL);
5360 #ifdef SWM_DEBUG
5361         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
5362 #endif
5363 }
5364
5365 void
5366 clear_keys(void)
5367 {
5368         struct key              *kp;
5369
5370         while (RB_EMPTY(&keys) == 0) {
5371                 kp = RB_ROOT(&keys);
5372                 key_remove(kp);
5373         }
5374 }
5375
5376 int
5377 setkeymapping(char *selector, char *value, int flags)
5378 {
5379         char                    keymapping_file[PATH_MAX];
5380         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5381         if (value[0] == '~')
5382                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5383                     pwd->pw_dir, &value[1]);
5384         else
5385                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5386         clear_keys();
5387         /* load new key bindings; if it fails, revert to default bindings */
5388         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5389                 clear_keys();
5390                 setup_keys();
5391         }
5392         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5393         return (0);
5394 }
5395
5396 void
5397 updatenumlockmask(void)
5398 {
5399         unsigned int            i, j;
5400         XModifierKeymap         *modmap;
5401
5402         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5403         numlockmask = 0;
5404         modmap = XGetModifierMapping(display);
5405         for (i = 0; i < 8; i++)
5406                 for (j = 0; j < modmap->max_keypermod; j++)
5407                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
5408                             == XKeysymToKeycode(display, XK_Num_Lock))
5409                                 numlockmask = (1 << i);
5410
5411         XFreeModifiermap(modmap);
5412 }
5413
5414 void
5415 grabkeys(void)
5416 {
5417         int                     num_screens;
5418         unsigned int            j, k;
5419         KeyCode                 code;
5420         unsigned int            modifiers[] =
5421             { 0, LockMask, numlockmask, numlockmask | LockMask };
5422         struct key              *kp;
5423
5424         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5425         updatenumlockmask();
5426
5427         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5428         for (k = 0; k < num_screens; k++) {
5429                 if (TAILQ_EMPTY(&screens[k].rl))
5430                         continue;
5431                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5432                         XCB_MOD_MASK_ANY); 
5433                 RB_FOREACH(kp, key_tree, &keys) {
5434                         if ((code = XKeysymToKeycode(display, kp->keysym)))
5435                                 for (j = 0; j < LENGTH(modifiers); j++)
5436                                         XGrabKey(display, code,
5437                                             kp->mod | modifiers[j],
5438                                             screens[k].root, True,
5439                                             GrabModeAsync, GrabModeAsync);
5440                 }
5441         }
5442 }
5443
5444 void
5445 grabbuttons(struct ws_win *win, int focused)
5446 {
5447         unsigned int            i, j;
5448         unsigned int            modifiers[] =
5449             { 0, LockMask, numlockmask, numlockmask|LockMask };
5450
5451         updatenumlockmask();
5452         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5453                 XCB_BUTTON_MASK_ANY);
5454         if (focused) {
5455                 for (i = 0; i < LENGTH(buttons); i++)
5456                         if (buttons[i].action == client_click)
5457                                 for (j = 0; j < LENGTH(modifiers); j++)
5458                                         xcb_grab_button(conn, False, win->id,
5459                                                 BUTTONMASK,
5460                                                 XCB_GRAB_MODE_ASYNC,
5461                                                 XCB_GRAB_MODE_SYNC,
5462                                                 XCB_WINDOW_NONE,
5463                                                 XCB_CURSOR_NONE,
5464                                                 buttons[i].button,
5465                                                 buttons[i].mask);
5466         } else
5467                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5468                         XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC,
5469                         XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY,
5470                         XCB_BUTTON_MASK_ANY); 
5471 }
5472
5473 const char *quirkname[] = {
5474         "NONE",         /* config string for "no value" */
5475         "FLOAT",
5476         "TRANSSZ",
5477         "ANYWHERE",
5478         "XTERM_FONTADJ",
5479         "FULLSCREEN",
5480         "FOCUSPREV",
5481 };
5482
5483 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5484 #define SWM_Q_WS                "\n|+ \t"
5485 int
5486 parsequirks(char *qstr, unsigned long *quirk)
5487 {
5488         char                    *cp, *name;
5489         int                     i;
5490
5491         if (quirk == NULL)
5492                 return (1);
5493
5494         cp = qstr;
5495         *quirk = 0;
5496         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5497                 if (cp)
5498                         cp += (long)strspn(cp, SWM_Q_WS);
5499                 for (i = 0; i < LENGTH(quirkname); i++) {
5500                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5501                                 DNPRINTF(SWM_D_QUIRK,
5502                                     "parsequirks: %s\n", name);
5503                                 if (i == 0) {
5504                                         *quirk = 0;
5505                                         return (0);
5506                                 }
5507                                 *quirk |= 1 << (i-1);
5508                                 break;
5509                         }
5510                 }
5511                 if (i >= LENGTH(quirkname)) {
5512                         DNPRINTF(SWM_D_QUIRK,
5513                             "parsequirks: invalid quirk [%s]\n", name);
5514                         return (1);
5515                 }
5516         }
5517         return (0);
5518 }
5519
5520 void
5521 quirk_insert(const char *class, const char *name, unsigned long quirk)
5522 {
5523         struct quirk            *qp;
5524
5525         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5526             quirk);
5527
5528         if ((qp = malloc(sizeof *qp)) == NULL)
5529                 err(1, "quirk_insert: malloc");
5530         if ((qp->class = strdup(class)) == NULL)
5531                 err(1, "quirk_insert: strdup");
5532         if ((qp->name = strdup(name)) == NULL)
5533                 err(1, "quirk_insert: strdup");
5534
5535         qp->quirk = quirk;
5536         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5537
5538         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5539 }
5540
5541 void
5542 quirk_remove(struct quirk *qp)
5543 {
5544         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5545             qp->name, qp->quirk);
5546
5547         TAILQ_REMOVE(&quirks, qp, entry);
5548         free(qp->class);
5549         free(qp->name);
5550         free(qp);
5551
5552         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5553 }
5554
5555 void
5556 quirk_replace(struct quirk *qp, const char *class, const char *name,
5557     unsigned long quirk)
5558 {
5559         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5560             qp->name, qp->quirk);
5561
5562         quirk_remove(qp);
5563         quirk_insert(class, name, quirk);
5564
5565         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5566 }
5567
5568 void
5569 setquirk(const char *class, const char *name, unsigned long quirk)
5570 {
5571         struct quirk            *qp;
5572
5573         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5574            quirk);
5575
5576         TAILQ_FOREACH(qp, &quirks, entry) {
5577                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5578                         if (!quirk)
5579                                 quirk_remove(qp);
5580                         else
5581                                 quirk_replace(qp, class, name, quirk);
5582                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5583                         return;
5584                 }
5585         }
5586         if (!quirk) {
5587                 warnx("error: setquirk: cannot find class/name combination");
5588                 return;
5589         }
5590
5591         quirk_insert(class, name, quirk);
5592         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5593 }
5594
5595 int
5596 setconfquirk(char *selector, char *value, int flags)
5597 {
5598         char                    *cp, *class, *name;
5599         int                     retval;
5600         unsigned long           quirks;
5601         if (selector == NULL)
5602                 return (0);
5603         if ((cp = strchr(selector, ':')) == NULL)
5604                 return (0);
5605         *cp = '\0';
5606         class = selector;
5607         name = cp + 1;
5608         if ((retval = parsequirks(value, &quirks)) == 0)
5609                 setquirk(class, name, quirks);
5610         return (retval);
5611 }
5612
5613 void
5614 setup_quirks(void)
5615 {
5616         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5617         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5618         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5619         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5620         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5621         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5622         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5623         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5624         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5625         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5626         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5627         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5628         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5629 }
5630
5631 /* conf file stuff */
5632 #define SWM_CONF_FILE           "spectrwm.conf"
5633 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5634
5635 enum {
5636         SWM_S_BAR_ACTION,
5637         SWM_S_BAR_AT_BOTTOM,
5638         SWM_S_BAR_BORDER_WIDTH,
5639         SWM_S_BAR_DELAY,
5640         SWM_S_BAR_ENABLED,
5641         SWM_S_BAR_FONT,
5642         SWM_S_BAR_FORMAT,
5643         SWM_S_BAR_JUSTIFY,
5644         SWM_S_BORDER_WIDTH,
5645         SWM_S_CLOCK_ENABLED,
5646         SWM_S_CLOCK_FORMAT,
5647         SWM_S_CYCLE_EMPTY,
5648         SWM_S_CYCLE_VISIBLE,
5649         SWM_S_DIALOG_RATIO,
5650         SWM_S_DISABLE_BORDER,
5651         SWM_S_FOCUS_CLOSE,
5652         SWM_S_FOCUS_CLOSE_WRAP,
5653         SWM_S_FOCUS_DEFAULT,
5654         SWM_S_FOCUS_MODE,
5655         SWM_S_SPAWN_ORDER,
5656         SWM_S_SPAWN_TERM,
5657         SWM_S_SS_APP,
5658         SWM_S_SS_ENABLED,
5659         SWM_S_STACK_ENABLED,
5660         SWM_S_TERM_WIDTH,
5661         SWM_S_TITLE_CLASS_ENABLED,
5662         SWM_S_TITLE_NAME_ENABLED,
5663         SWM_S_URGENT_ENABLED,
5664         SWM_S_VERBOSE_LAYOUT,
5665         SWM_S_WINDOW_NAME_ENABLED,
5666         SWM_S_WORKSPACE_LIMIT
5667 };
5668
5669 int
5670 setconfvalue(char *selector, char *value, int flags)
5671 {
5672         int     i;
5673         char    *b;
5674
5675         switch (flags) {
5676         case SWM_S_BAR_ACTION:
5677                 free(bar_argv[0]);
5678                 if ((bar_argv[0] = strdup(value)) == NULL)
5679                         err(1, "setconfvalue: bar_action");
5680                 break;
5681         case SWM_S_BAR_AT_BOTTOM:
5682                 bar_at_bottom = atoi(value);
5683                 break;
5684         case SWM_S_BAR_BORDER_WIDTH:
5685                 bar_border_width = atoi(value);
5686                 if (bar_border_width < 0)
5687                         bar_border_width = 0;
5688                 break;
5689         case SWM_S_BAR_DELAY:
5690                 bar_delay = atoi(value);
5691                 break;
5692         case SWM_S_BAR_ENABLED:
5693                 bar_enabled = atoi(value);
5694                 break;
5695         case SWM_S_BAR_FONT:
5696                 b = bar_fonts;
5697                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5698                         err(1, "setconfvalue: asprintf: failed to allocate "
5699                                 "memory for bar_fonts.");
5700
5701                 free(b);
5702                 break;
5703         case SWM_S_BAR_FORMAT:
5704                 free(bar_format);
5705                 if ((bar_format = strdup(value)) == NULL)
5706                         err(1, "setconfvalue: bar_format");
5707                 break;
5708         case SWM_S_BAR_JUSTIFY:
5709                 if (!strcmp(value, "left"))
5710                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5711                 else if (!strcmp(value, "center"))
5712                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5713                 else if (!strcmp(value, "right"))
5714                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5715                 else
5716                         errx(1, "invalid bar_justify");
5717                 break;
5718         case SWM_S_BORDER_WIDTH:
5719                 border_width = atoi(value);
5720                 if (border_width < 0)
5721                         border_width = 0;
5722                 break;
5723         case SWM_S_CLOCK_ENABLED:
5724                 clock_enabled = atoi(value);
5725                 break;
5726         case SWM_S_CLOCK_FORMAT:
5727 #ifndef SWM_DENY_CLOCK_FORMAT
5728                 free(clock_format);
5729                 if ((clock_format = strdup(value)) == NULL)
5730                         err(1, "setconfvalue: clock_format");
5731 #endif
5732                 break;
5733         case SWM_S_CYCLE_EMPTY:
5734                 cycle_empty = atoi(value);
5735                 break;
5736         case SWM_S_CYCLE_VISIBLE:
5737                 cycle_visible = atoi(value);
5738                 break;
5739         case SWM_S_DIALOG_RATIO:
5740                 dialog_ratio = atof(value);
5741                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5742                         dialog_ratio = .6;
5743                 break;
5744         case SWM_S_DISABLE_BORDER:
5745                 disable_border = atoi(value);
5746                 break;
5747         case SWM_S_FOCUS_CLOSE:
5748                 if (!strcmp(value, "first"))
5749                         focus_close = SWM_STACK_BOTTOM;
5750                 else if (!strcmp(value, "last"))
5751                         focus_close = SWM_STACK_TOP;
5752                 else if (!strcmp(value, "next"))
5753                         focus_close = SWM_STACK_ABOVE;
5754                 else if (!strcmp(value, "previous"))
5755                         focus_close = SWM_STACK_BELOW;
5756                 else
5757                         errx(1, "focus_close");
5758                 break;
5759         case SWM_S_FOCUS_CLOSE_WRAP:
5760                 focus_close_wrap = atoi(value);
5761                 break;
5762         case SWM_S_FOCUS_DEFAULT:
5763                 if (!strcmp(value, "last"))
5764                         focus_default = SWM_STACK_TOP;
5765                 else if (!strcmp(value, "first"))
5766                         focus_default = SWM_STACK_BOTTOM;
5767                 else
5768                         errx(1, "focus_default");
5769                 break;
5770         case SWM_S_FOCUS_MODE:
5771                 if (!strcmp(value, "default"))
5772                         focus_mode = SWM_FOCUS_DEFAULT;
5773                 else if (!strcmp(value, "follow_cursor"))
5774                         focus_mode = SWM_FOCUS_FOLLOW;
5775                 else if (!strcmp(value, "synergy"))
5776                         focus_mode = SWM_FOCUS_SYNERGY;
5777                 else
5778                         errx(1, "focus_mode");
5779                 break;
5780         case SWM_S_SPAWN_ORDER:
5781                 if (!strcmp(value, "first"))
5782                         spawn_position = SWM_STACK_BOTTOM;
5783                 else if (!strcmp(value, "last"))
5784                         spawn_position = SWM_STACK_TOP;
5785                 else if (!strcmp(value, "next"))
5786                         spawn_position = SWM_STACK_ABOVE;
5787                 else if (!strcmp(value, "previous"))
5788                         spawn_position = SWM_STACK_BELOW;
5789                 else
5790                         errx(1, "spawn_position");
5791                 break;
5792         case SWM_S_SPAWN_TERM:
5793                 setconfspawn("term", value, 0);
5794                 setconfspawn("spawn_term", value, 0);
5795                 break;
5796         case SWM_S_SS_APP:
5797                 break;
5798         case SWM_S_SS_ENABLED:
5799                 ss_enabled = atoi(value);
5800                 break;
5801         case SWM_S_STACK_ENABLED:
5802                 stack_enabled = atoi(value);
5803                 break;
5804         case SWM_S_TERM_WIDTH:
5805                 term_width = atoi(value);
5806                 if (term_width < 0)
5807                         term_width = 0;
5808                 break;
5809         case SWM_S_TITLE_CLASS_ENABLED:
5810                 title_class_enabled = atoi(value);
5811                 break;
5812         case SWM_S_TITLE_NAME_ENABLED:
5813                 title_name_enabled = atoi(value);
5814                 break;
5815         case SWM_S_URGENT_ENABLED:
5816                 urgent_enabled = atoi(value);
5817                 break;
5818         case SWM_S_VERBOSE_LAYOUT:
5819                 verbose_layout = atoi(value);
5820                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5821                         if (verbose_layout)
5822                                 layouts[i].l_string = fancy_stacker;
5823                         else
5824                                 layouts[i].l_string = plain_stacker;
5825                 }
5826                 break;
5827         case SWM_S_WINDOW_NAME_ENABLED:
5828                 window_name_enabled = atoi(value);
5829                 break;
5830         case SWM_S_WORKSPACE_LIMIT:
5831                 workspace_limit = atoi(value);
5832                 if (workspace_limit > SWM_WS_MAX)
5833                         workspace_limit = SWM_WS_MAX;
5834                 else if (workspace_limit < 1)
5835                         workspace_limit = 1;
5836                 break;
5837         default:
5838                 return (1);
5839         }
5840         return (0);
5841 }
5842
5843 int
5844 setconfmodkey(char *selector, char *value, int flags)
5845 {
5846         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5847                 update_modkey(Mod1Mask);
5848         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5849                 update_modkey(Mod2Mask);
5850         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5851                 update_modkey(Mod3Mask);
5852         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5853                 update_modkey(Mod4Mask);
5854         else
5855                 return (1);
5856         return (0);
5857 }
5858
5859 int
5860 setconfcolor(char *selector, char *value, int flags)
5861 {
5862         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5863         return (0);
5864 }
5865
5866 int
5867 setconfregion(char *selector, char *value, int flags)
5868 {
5869         custom_region(value);
5870         return (0);
5871 }
5872
5873 int
5874 setautorun(char *selector, char *value, int flags)
5875 {
5876         int                     ws_id;
5877         char                    s[1024];
5878         char                    *ap, *sp = s;
5879         union arg               a;
5880         int                     argc = 0;
5881         long                    pid;
5882         struct pid_e            *p;
5883
5884         if (getenv("SWM_STARTED"))
5885                 return (0);
5886
5887         bzero(s, sizeof s);
5888         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5889                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5890         ws_id--;
5891         if (ws_id < 0 || ws_id >= workspace_limit)
5892                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5893
5894         /*
5895          * This is a little intricate
5896          *
5897          * If the pid already exists we simply reuse it because it means it was
5898          * used before AND not claimed by manage_window.  We get away with
5899          * altering it in the parent after INSERT because this can not be a race
5900          */
5901         a.argv = NULL;
5902         while ((ap = strsep(&sp, " \t")) != NULL) {
5903                 if (*ap == '\0')
5904                         continue;
5905                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5906                 argc++;
5907                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5908                         err(1, "setautorun: realloc");
5909                 a.argv[argc - 1] = ap;
5910         }
5911
5912         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5913                 err(1, "setautorun: realloc");
5914         a.argv[argc] = NULL;
5915
5916         if ((pid = fork()) == 0) {
5917                 spawn(ws_id, &a, 1);
5918                 /* NOTREACHED */
5919                 _exit(1);
5920         }
5921         free(a.argv);
5922
5923         /* parent */
5924         p = find_pid(pid);
5925         if (p == NULL) {
5926                 p = calloc(1, sizeof *p);
5927                 if (p == NULL)
5928                         return (1);
5929                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5930         }
5931
5932         p->pid = pid;
5933         p->ws = ws_id;
5934
5935         return (0);
5936 }
5937
5938 int
5939 setlayout(char *selector, char *value, int flags)
5940 {
5941         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5942         int                     st = SWM_V_STACK, num_screens;
5943         char                    s[1024];
5944         struct workspace        *ws;
5945
5946         if (getenv("SWM_STARTED"))
5947                 return (0);
5948
5949         bzero(s, sizeof s);
5950         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5951             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5952                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5953                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5954                     "<type>'");
5955         ws_id--;
5956         if (ws_id < 0 || ws_id >= workspace_limit)
5957                 errx(1, "layout: invalid workspace %d", ws_id + 1);
5958
5959         if (!strcasecmp(s, "vertical"))
5960                 st = SWM_V_STACK;
5961         else if (!strcasecmp(s, "vertical_flip")) {
5962                 st = SWM_V_STACK;
5963                 f = 1;
5964         } else if (!strcasecmp(s, "horizontal"))
5965                 st = SWM_H_STACK;
5966         else if (!strcasecmp(s, "horizontal_flip")) {
5967                 st = SWM_H_STACK;
5968                 f = 1;
5969         } else if (!strcasecmp(s, "fullscreen"))
5970                 st = SWM_MAX_STACK;
5971         else
5972                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5973                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5974                     "<type>'");
5975
5976         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5977         for (i = 0; i < num_screens; i++) {
5978                 ws = (struct workspace *)&screens[i].ws;
5979                 ws[ws_id].cur_layout = &layouts[st];
5980
5981                 ws[ws_id].always_raise = raise;
5982                 if (st == SWM_MAX_STACK)
5983                         continue;
5984
5985                 /* master grow */
5986                 for (x = 0; x < abs(mg); x++) {
5987                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5988                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
5989                             SWM_ARG_ID_MASTERSHRINK);
5990                         stack();
5991                 }
5992                 /* master add */
5993                 for (x = 0; x < abs(ma); x++) {
5994                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
5995                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
5996                             SWM_ARG_ID_MASTERDEL);
5997                         stack();
5998                 }
5999                 /* stack inc */
6000                 for (x = 0; x < abs(si); x++) {
6001                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6002                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6003                             SWM_ARG_ID_STACKDEC);
6004                         stack();
6005                 }
6006                 /* Apply flip */
6007                 if (f) {
6008                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6009                             SWM_ARG_ID_FLIPLAYOUT);
6010                         stack();
6011                 }
6012         }
6013
6014         return (0);
6015 }
6016
6017 /* config options */
6018 struct config_option {
6019         char                    *optname;
6020         int                     (*func)(char*, char*, int);
6021         int                     funcflags;
6022 };
6023 struct config_option configopt[] = {
6024         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6025         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6026         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6027         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6028         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6029         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6030         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6031         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6032         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6033         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6034         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6035         { "keyboard_mapping",           setkeymapping,  0 },
6036         { "bind",                       setconfbinding, 0 },
6037         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6038         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6039         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6040         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6041         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6042         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6043         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6044         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6045         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6046         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6047         { "modkey",                     setconfmodkey,  0 },
6048         { "program",                    setconfspawn,   0 },
6049         { "quirk",                      setconfquirk,   0 },
6050         { "region",                     setconfregion,  0 },
6051         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6052         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6053         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6054         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6055         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6056         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6057         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6058         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6059         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6060         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6061         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6062         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6063         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6064         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6065         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6066         { "autorun",                    setautorun,     0 },
6067         { "layout",                     setlayout,      0 },
6068 };
6069
6070
6071 int
6072 conf_load(char *filename, int keymapping)
6073 {
6074         FILE                    *config;
6075         char                    *line, *cp, *optsub, *optval;
6076         size_t                  linelen, lineno = 0;
6077         int                     wordlen, i, optind;
6078         struct config_option    *opt;
6079
6080         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6081
6082         if (filename == NULL) {
6083                 warnx("conf_load: no filename");
6084                 return (1);
6085         }
6086         if ((config = fopen(filename, "r")) == NULL) {
6087                 warn("conf_load: fopen: %s", filename);
6088                 return (1);
6089         }
6090
6091         while (!feof(config)) {
6092                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6093                     == NULL) {
6094                         if (ferror(config))
6095                                 err(1, "%s", filename);
6096                         else
6097                                 continue;
6098                 }
6099                 cp = line;
6100                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6101                 if (cp[0] == '\0') {
6102                         /* empty line */
6103                         free(line);
6104                         continue;
6105                 }
6106                 /* get config option */
6107                 wordlen = strcspn(cp, "=[ \t\n");
6108                 if (wordlen == 0) {
6109                         warnx("%s: line %zd: no option found",
6110                             filename, lineno);
6111                         goto out;
6112                 }
6113                 optind = -1;
6114                 for (i = 0; i < LENGTH(configopt); i++) {
6115                         opt = &configopt[i];
6116                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6117                             strlen(opt->optname) == wordlen) {
6118                                 optind = i;
6119                                 break;
6120                         }
6121                 }
6122                 if (optind == -1) {
6123                         warnx("%s: line %zd: unknown option %.*s",
6124                             filename, lineno, wordlen, cp);
6125                         goto out;
6126                 }
6127                 if (keymapping && strcmp(opt->optname, "bind")) {
6128                         warnx("%s: line %zd: invalid option %.*s",
6129                             filename, lineno, wordlen, cp);
6130                         goto out;
6131                 }
6132                 cp += wordlen;
6133                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6134                 /* get [selector] if any */
6135                 optsub = NULL;
6136                 if (*cp == '[') {
6137                         cp++;
6138                         wordlen = strcspn(cp, "]");
6139                         if (*cp != ']') {
6140                                 if (wordlen == 0) {
6141                                         warnx("%s: line %zd: syntax error",
6142                                             filename, lineno);
6143                                         goto out;
6144                                 }
6145
6146                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6147                                     -1) {
6148                                         warnx("%s: line %zd: unable to allocate"
6149                                             "memory for selector", filename,
6150                                             lineno);
6151                                         goto out;
6152                                 }
6153                         }
6154                         cp += wordlen;
6155                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6156                 }
6157                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6158                 /* get RHS value */
6159                 optval = strdup(cp);
6160                 /* call function to deal with it all */
6161                 if (configopt[optind].func(optsub, optval,
6162                     configopt[optind].funcflags) != 0)
6163                         errx(1, "%s: line %zd: invalid data for %s",
6164                             filename, lineno, configopt[optind].optname);
6165                 free(optval);
6166                 free(optsub);
6167                 free(line);
6168         }
6169
6170         fclose(config);
6171         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6172
6173         return (0);
6174
6175 out:
6176         free(line);
6177         fclose(config);
6178         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6179
6180         return (1);
6181 }
6182
6183 void
6184 set_child_transient(struct ws_win *win, Window *trans)
6185 {
6186         struct ws_win           *parent, *w;
6187         XWMHints                *wmh = NULL;
6188         struct swm_region       *r;
6189         struct workspace        *ws;
6190
6191         parent = find_window(win->transient);
6192         if (parent)
6193                 parent->child_trans = win;
6194         else {
6195                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6196                     " for 0x%lx trans 0x%lx\n", win->id, win->transient);
6197
6198                 if (win->hints == NULL) {
6199                         warnx("no hints for 0x%x", win->id);
6200                         return;
6201                 }
6202
6203                 r = root_to_region(win->wa.root);
6204                 ws = r->ws;
6205                 /* parent doen't exist in our window list */
6206                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6207                         if (wmh)
6208                                 XFree(wmh);
6209
6210                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
6211                                 warnx("can't get hints for 0x%x", w->id);
6212                                 continue;
6213                         }
6214
6215                         if (win->hints->window_group != wmh->window_group)
6216                                 continue;
6217
6218                         w->child_trans = win;
6219                         win->transient = w->id;
6220                         *trans = w->id;
6221                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
6222                             "transient to 0x%x\n", win->transient);
6223                         break;
6224                 }
6225         }
6226
6227         if (wmh)
6228                 XFree(wmh);
6229 }
6230
6231 long
6232 window_get_pid(xcb_window_t win)
6233 {
6234         long                            ret = 0;
6235         const char                      *errstr;
6236         xcb_atom_t                      apid;
6237         xcb_get_property_cookie_t       pc;
6238         xcb_get_property_reply_t        *pr;
6239
6240         apid = get_atom_from_string("_NET_WM_PID");
6241         if (apid == XCB_ATOM_NONE)
6242                 goto tryharder;
6243
6244         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6245         pr = xcb_get_property_reply(conn, pc, NULL);
6246         if (!pr)
6247                 goto tryharder;
6248         if (pr->type != XCB_ATOM_CARDINAL)
6249                 goto tryharder;
6250
6251         ret = *(long *)xcb_get_property_value(pr);
6252         free(pr);
6253
6254         return (ret);
6255
6256 tryharder:
6257         apid = get_atom_from_string("_SWM_PID");
6258         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6259                 0, SWM_PROPLEN);
6260         pr = xcb_get_property_reply(conn, pc, NULL);
6261         if (!pr)
6262                 return (0);
6263         if (pr->type != XCB_ATOM_STRING)
6264                 free(pr);
6265                 return (0);
6266         ret = strtonum(xcb_get_property_value(pr), 0, UINT_MAX, &errstr);
6267         free(pr);
6268
6269         return (ret);
6270 }
6271
6272 struct ws_win *
6273 manage_window(xcb_window_t id)
6274 {
6275         Window                  trans = 0;
6276         struct workspace        *ws;
6277         struct ws_win           *win, *ww;
6278         int                     format, i, ws_idx, n, border_me = 0;
6279         unsigned long           nitems, bytes;
6280         Atom                    ws_idx_atom = 0, type;
6281         Atom                    *prot = NULL, *pp;
6282         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
6283         struct swm_region       *r;
6284         const char              *errstr;
6285         struct pid_e            *p;
6286         struct quirk            *qp;
6287
6288         if ((win = find_window(id)) != NULL)
6289                 return (win);   /* already being managed */
6290
6291         /* see if we are on the unmanaged list */
6292         if ((win = find_unmanaged_window(id)) != NULL) {
6293                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6294                     "window: 0x%lx\n", win->id);
6295                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6296                 if (win->transient)
6297                         set_child_transient(win, &trans);
6298
6299                 if (trans && (ww = find_window(trans)))
6300                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6301                 else if ((ww = win->ws->focus) &&
6302                     spawn_position == SWM_STACK_ABOVE)
6303                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6304                             win, entry);
6305                 else if (ww && spawn_position == SWM_STACK_BELOW)
6306                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6307                 else switch (spawn_position) {
6308                 default:
6309                 case SWM_STACK_TOP:
6310                 case SWM_STACK_ABOVE:
6311                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6312                         break;
6313                 case SWM_STACK_BOTTOM:
6314                 case SWM_STACK_BELOW:
6315                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6316                 }
6317
6318                 ewmh_update_actions(win);
6319                 return (win);
6320         }
6321
6322         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6323                 err(1, "manage_window: calloc: failed to allocate memory for "
6324                     "new window");
6325
6326         win->id = id;
6327         win->bordered = 0;
6328
6329         /* see if we need to override the workspace */
6330         p = find_pid(window_get_pid(id));
6331
6332         /* Get all the window data in one shot */
6333         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
6334         if (ws_idx_atom) {
6335                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
6336                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
6337         }
6338         XGetWindowAttributes(display, id, &win->wa);
6339         XGetWMNormalHints(display, id, &win->sh, &win->sh_mask);
6340         win->hints = XGetWMHints(display, id);
6341         XGetTransientForHint(display, id, &trans);
6342         if (trans) {
6343                 win->transient = trans;
6344                 set_child_transient(win, &trans);
6345                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, "
6346                     "transient: 0x%lx\n", win->id, win->transient);
6347         }
6348
6349         /* get supported protocols */
6350         if (XGetWMProtocols(display, id, &prot, &n)) {
6351                 for (i = 0, pp = prot; i < n; i++, pp++) {
6352                         if (*pp == takefocus)
6353                                 win->take_focus = 1;
6354                         if (*pp == adelete)
6355                                 win->can_delete = 1;
6356                 }
6357                 if (prot)
6358                         XFree(prot);
6359         }
6360
6361         win->iconic = get_iconic(win);
6362
6363         /*
6364          * Figure out where to put the window. If it was previously assigned to
6365          * a workspace (either by spawn() or manually moving), and isn't
6366          * transient, * put it in the same workspace
6367          */
6368         r = root_to_region(win->wa.root);
6369         if (p) {
6370                 ws = &r->s->ws[p->ws];
6371                 TAILQ_REMOVE(&pidlist, p, entry);
6372                 free(p);
6373                 p = NULL;
6374         } else if (prop && win->transient == 0) {
6375                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6376                 ws_idx = strtonum((const char *)prop, 0, workspace_limit - 1,
6377                     &errstr);
6378                 if (errstr) {
6379                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6380                             errstr, prop);
6381                 }
6382                 ws = &r->s->ws[ws_idx];
6383         } else {
6384                 ws = r->ws;
6385                 /* this should launch transients in the same ws as parent */
6386                 if (id && trans)
6387                         if ((ww = find_window(trans)) != NULL)
6388                                 if (ws->r) {
6389                                         ws = ww->ws;
6390                                         if (ww->ws->r)
6391                                                 r = ww->ws->r;
6392                                         else
6393                                                 warnx("manage_window: fix this "
6394                                                     "bug mcbride");
6395                                         border_me = 1;
6396                                 }
6397         }
6398
6399         /* set up the window layout */
6400         win->id = id;
6401         win->ws = ws;
6402         win->s = r->s;  /* this never changes */
6403         if (trans && (ww = find_window(trans)))
6404                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6405         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6406                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6407                     entry);
6408         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6409                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6410         else switch (spawn_position) {
6411         default:
6412         case SWM_STACK_TOP:
6413         case SWM_STACK_ABOVE:
6414                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6415                 break;
6416         case SWM_STACK_BOTTOM:
6417         case SWM_STACK_BELOW:
6418                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6419         }
6420
6421         /* ignore window border if there is one. */
6422         WIDTH(win) = win->wa.width;
6423         HEIGHT(win) = win->wa.height;
6424         X(win) = win->wa.x + win->wa.border_width;
6425         Y(win) = win->wa.y + win->wa.border_width;
6426         win->bordered = 0;
6427         win->g_floatvalid = 0;
6428         win->floatmaxed = 0;
6429         win->ewmh_flags = 0;
6430
6431         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%lx, (x,y) w x h: "
6432             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6433             HEIGHT(win), ws->idx);
6434
6435         constrain_window(win, r, 0);
6436
6437         /* Set window properties so we can remember this after reincarnation */
6438         if (ws_idx_atom && prop == NULL &&
6439             snprintf((char *)ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6440                 SWM_PROPLEN) {
6441                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6442                     ws_idx_str);
6443                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
6444                     PropModeReplace, ws_idx_str, strlen((char *)ws_idx_str));
6445         }
6446         if (prop)
6447                 XFree(prop);
6448
6449         ewmh_autoquirk(win);
6450
6451         if (XGetClassHint(display, win->id, &win->ch)) {
6452                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6453                     win->ch.res_class, win->ch.res_name);
6454
6455                 /* java is retarded so treat it special */
6456                 if (strstr(win->ch.res_name, "sun-awt")) {
6457                         win->java = 1;
6458                         border_me = 1;
6459                 }
6460
6461                 TAILQ_FOREACH(qp, &quirks, entry) {
6462                         if (!strcmp(win->ch.res_class, qp->class) &&
6463                             !strcmp(win->ch.res_name, qp->name)) {
6464                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6465                                     "class: %s, name: %s\n", win->ch.res_class,
6466                                     win->ch.res_name);
6467                                 if (qp->quirk & SWM_Q_FLOAT) {
6468                                         win->floating = 1;
6469                                         border_me = 1;
6470                                 }
6471                                 win->quirks = qp->quirk;
6472                         }
6473                 }
6474         }
6475
6476         /* alter window position if quirky */
6477         if (win->quirks & SWM_Q_ANYWHERE) {
6478                 win->manual = 1; /* don't center the quirky windows */
6479                 if (bar_enabled && Y(win) < bar_height)
6480                         Y(win) = bar_height;
6481                 if (WIDTH(win) + X(win) > WIDTH(r))
6482                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6483                 border_me = 1;
6484         }
6485
6486         /* Reset font sizes (the bruteforce way; no default keybinding). */
6487         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6488                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6489                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6490                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6491                         fake_keypress(win, XK_KP_Add, ShiftMask);
6492         }
6493
6494         ewmh_get_win_state(win);
6495         ewmh_update_actions(win);
6496         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6497
6498         /* border me */
6499         if (border_me) {
6500                 win->bordered = 1;
6501                 X(win) -= border_width;
6502                 Y(win) -= border_width;
6503                 update_window(win);
6504         }
6505
6506         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
6507             PropertyChangeMask | StructureNotifyMask);
6508
6509         /* floaters need to be mapped if they are in the current workspace */
6510         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6511                 map_window_raised(win->id);
6512
6513         return (win);
6514 }
6515
6516 void
6517 free_window(struct ws_win *win)
6518 {
6519         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%lx\n", win->id);
6520
6521         if (win == NULL)
6522                 return;
6523
6524         /* needed for restart wm */
6525         set_win_state(win, XCB_WM_STATE_WITHDRAWN);
6526
6527         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6528
6529         if (win->ch.res_class)
6530                 XFree(win->ch.res_class);
6531         if (win->ch.res_name)
6532                 XFree(win->ch.res_name);
6533
6534         kill_refs(win);
6535
6536         /* paint memory */
6537         memset(win, 0xff, sizeof *win); /* XXX kill later */
6538
6539         free(win);
6540 }
6541
6542 void
6543 unmanage_window(struct ws_win *win)
6544 {
6545         struct ws_win           *parent;
6546
6547         if (win == NULL)
6548                 return;
6549
6550         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%lx\n", win->id);
6551
6552         if (win->transient) {
6553                 parent = find_window(win->transient);
6554                 if (parent)
6555                         parent->child_trans = NULL;
6556         }
6557
6558         /* focus on root just in case */
6559         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
6560
6561         focus_prev(win);
6562
6563         if (win->hints) {
6564                 XFree(win->hints);
6565                 win->hints = NULL;
6566         }
6567
6568         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6569         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6570 }
6571
6572 void
6573 focus_magic(struct ws_win *win)
6574 {
6575         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%lx\n", WINID(win));
6576
6577         if (win == NULL) {
6578                 /* if there are no windows clear the status-bar */
6579                 bar_update();
6580                 return;
6581         }
6582
6583         if (win->child_trans) {
6584                 /* win = parent & has a transient so focus on that */
6585                 if (win->java) {
6586                         focus_win(win->child_trans);
6587                         if (win->child_trans->take_focus)
6588                                 client_msg(win, takefocus);
6589                 } else {
6590                         /* make sure transient hasn't disappeared */
6591                         if (validate_win(win->child_trans) == 0) {
6592                                 focus_win(win->child_trans);
6593                                 if (win->child_trans->take_focus)
6594                                         client_msg(win->child_trans, takefocus);
6595                         } else {
6596                                 win->child_trans = NULL;
6597                                 focus_win(win);
6598                                 if (win->take_focus)
6599                                         client_msg(win, takefocus);
6600                         }
6601                 }
6602         } else {
6603                 /* regular focus */
6604                 focus_win(win);
6605                 if (win->take_focus)
6606                         client_msg(win, takefocus);
6607         }
6608 }
6609
6610 void
6611 expose(XEvent *e)
6612 {
6613         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%lx\n", e->xexpose.window);
6614 }
6615
6616 void
6617 keypress(XEvent *e)
6618 {
6619         KeySym                  keysym;
6620         XKeyEvent               *ev = &e->xkey;
6621         struct key              *kp;
6622         struct swm_region       *r;
6623
6624         keysym = XkbKeycodeToKeysym(display, (KeyCode)ev->keycode, 0, 0);
6625         if ((kp = key_lookup(CLEANMASK(ev->state), keysym)) == NULL)
6626                 return;
6627         if (keyfuncs[kp->funcid].func == NULL)
6628                 return;
6629
6630         r = root_to_region(ev->root);
6631         if (kp->funcid == kf_spawn_custom)
6632                 spawn_custom(r, &(keyfuncs[kp->funcid].args), kp->spawn_name);
6633         else
6634                 keyfuncs[kp->funcid].func(r, &(keyfuncs[kp->funcid].args));
6635 }
6636
6637 void
6638 buttonpress(XEvent *e)
6639 {
6640         struct ws_win           *win;
6641         int                     i, action;
6642         XButtonPressedEvent     *ev = &e->xbutton;
6643
6644         if ((win = find_window(ev->window)) == NULL)
6645                 return;
6646
6647         focus_magic(win);
6648         action = client_click;
6649
6650         for (i = 0; i < LENGTH(buttons); i++)
6651                 if (action == buttons[i].action && buttons[i].func &&
6652                     buttons[i].button == ev->button &&
6653                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
6654                         buttons[i].func(win, &buttons[i].args);
6655 }
6656
6657 void
6658 configurerequest(XEvent *e)
6659 {
6660         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
6661         struct ws_win           *win;
6662         int                     new = 0;
6663         XWindowChanges          wc;
6664
6665         if ((win = find_window(ev->window)) == NULL)
6666                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6667                         new = 1;
6668
6669         if (new) {
6670                 bzero(&wc, sizeof wc);
6671                 wc.x = ev->x;
6672                 wc.y = ev->y;
6673                 wc.width = ev->width;
6674                 wc.height = ev->height;
6675                 wc.border_width = ev->border_width;
6676                 wc.sibling = ev->above;
6677                 wc.stack_mode = ev->detail;
6678
6679                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%lx, "
6680                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", ev->window,
6681                     YESNO(new), wc.x, wc.y, wc.width, wc.height);
6682
6683                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
6684         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6685             !(win->sh_mask & EWMH_F_FULLSCREEN)) {
6686                 win->g_float.x = ev->x - X(win->ws->r);
6687                 win->g_float.y = ev->y - Y(win->ws->r);
6688                 win->g_float.w = ev->width;
6689                 win->g_float.h = ev->height;
6690                 win->g_floatvalid = 1;
6691
6692                 if (win->floating) {
6693                         win->g = win->g_float;
6694                         win->g.x += X(win->ws->r);
6695                         win->g.y += Y(win->ws->r);
6696                         update_window(win);
6697                 } else {
6698                         config_win(win, ev);
6699                 }
6700         } else {
6701                 config_win(win, ev);
6702         }
6703 }
6704
6705 void
6706 configurenotify(XEvent *e)
6707 {
6708         struct ws_win           *win;
6709
6710         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%lx\n",
6711             e->xconfigure.window);
6712
6713         win = find_window(e->xconfigure.window);
6714         if (win) {
6715                 XGetWMNormalHints(display, win->id, &win->sh, &win->sh_mask);
6716                 adjust_font(win);
6717                 if (font_adjusted)
6718                         stack();
6719                 if (focus_mode == SWM_FOCUS_DEFAULT)
6720                         drain_enter_notify();
6721         }
6722 }
6723
6724 void
6725 destroynotify(XEvent *e)
6726 {
6727         struct ws_win           *win;
6728         XDestroyWindowEvent     *ev = &e->xdestroywindow;
6729
6730         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%lx\n", ev->window);
6731
6732         if ((win = find_window(ev->window)) == NULL) {
6733                 if ((win = find_unmanaged_window(ev->window)) == NULL)
6734                         return;
6735                 free_window(win);
6736                 return;
6737         }
6738
6739         /* make sure we focus on something */
6740         win->floating = 0;
6741
6742         unmanage_window(win);
6743         stack();
6744         if (focus_mode == SWM_FOCUS_DEFAULT)
6745                 drain_enter_notify();
6746         free_window(win);
6747 }
6748
6749 void
6750 enternotify(XEvent *e)
6751 {
6752         XCrossingEvent          *ev = &e->xcrossing;
6753         XEvent                  cne;
6754         struct ws_win           *win;
6755 #if 0
6756         struct ws_win           *w;
6757         Window                  focus_return;
6758         int                     revert_to_return;
6759 #endif
6760         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%lx, mode: %d, detail: "
6761             "%d, root: 0x%lx, subwindow: 0x%lx, same_screen: %s, focus: %s, "
6762             "state: %d\n", ev->window, ev->mode, ev->detail, ev->root,
6763             ev->subwindow, YESNO(ev->same_screen), YESNO(ev->focus), ev->state);
6764
6765         if (ev->mode != NotifyNormal) {
6766                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6767                     "cursor grab.\n");
6768                 return;
6769         }
6770
6771         switch (focus_mode) {
6772         case SWM_FOCUS_DEFAULT:
6773                 break;
6774         case SWM_FOCUS_FOLLOW:
6775                 break;
6776         case SWM_FOCUS_SYNERGY:
6777 #if 0
6778         /*
6779          * all these checks need to be in this order because the
6780          * XCheckTypedWindowEvent relies on weeding out the previous events
6781          *
6782          * making this code an option would enable a follow mouse for focus
6783          * feature
6784          */
6785
6786         /*
6787          * state is set when we are switching workspaces and focus is set when
6788          * the window or a subwindow already has focus (occurs during restart).
6789          *
6790          * Only honor the focus flag if last_focus_event is not FocusOut,
6791          * this allows spectrwm to continue to control focus when another
6792          * program is also playing with it.
6793          */
6794         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
6795                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
6796                 return;
6797         }
6798
6799         /*
6800          * happens when a window is created or destroyed and the border
6801          * crosses the mouse pointer and when switching ws
6802          *
6803          * we need the subwindow test to see if we came from root in order
6804          * to give focus to floaters
6805          */
6806         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
6807             ev->subwindow == 0) {
6808                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
6809                 return;
6810         }
6811
6812         /* this window already has focus */
6813         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
6814                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
6815                 return;
6816         }
6817
6818         /* this window is being deleted or moved to another ws */
6819         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
6820             &cne) == True) {
6821                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
6822                 XPutBackEvent(display, &cne);
6823                 return;
6824         }
6825
6826         if ((win = find_window(ev->window)) == NULL) {
6827                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
6828                 return;
6829         }
6830
6831         /*
6832          * In fullstack kill all enters unless they come from a different ws
6833          * (i.e. another region) or focus has been grabbed externally.
6834          */
6835         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
6836             last_focus_event != FocusOut) {
6837                 XGetInputFocus(display, &focus_return, &revert_to_return);
6838                 if ((w = find_window(focus_return)) == NULL ||
6839                     w->ws == win->ws) {
6840                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
6841                         return;
6842                 }
6843         }
6844 #endif
6845                 break;
6846         }
6847
6848         if ((win = find_window(ev->window)) == NULL) {
6849                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6850                 return;
6851         }
6852
6853         /*
6854          * if we have more enternotifies let them handle it in due time
6855          */
6856         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
6857                 DNPRINTF(SWM_D_EVENT,
6858                     "ignoring enternotify: got more enternotify\n");
6859                 XPutBackEvent(display, &cne);
6860                 return;
6861         }
6862
6863         focus_magic(win);
6864 }
6865
6866 /* lets us use one switch statement for arbitrary mode/detail combinations */
6867 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6868
6869 void
6870 focusevent(XEvent *e)
6871 {
6872 #if 0
6873         struct ws_win           *win;
6874         u_int32_t               mode_detail;
6875         XFocusChangeEvent       *ev = &e->xfocus;
6876
6877         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: 0x%lx mode: %d "
6878             "detail: %d\n", ev->type == FocusIn ? "entering" : "leaving",
6879             ev->window, ev->mode, ev->detail);
6880
6881         if (last_focus_event == ev->type) {
6882                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
6883                 return;
6884         }
6885
6886         last_focus_event = ev->type;
6887         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
6888
6889         switch (mode_detail) {
6890         /* synergy client focus operations */
6891         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
6892         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
6893
6894         /* synergy server focus operations */
6895         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
6896
6897         /* Entering applications like rdesktop that mangle the pointer */
6898         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
6899
6900                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
6901                         XSetWindowBorder(display, win->id,
6902                             win->ws->r->s->c[ev->type == FocusIn ?
6903                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
6904                 break;
6905         default:
6906                 warnx("ignoring focusevent");
6907                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
6908                 break;
6909         }
6910 #endif
6911 }
6912
6913 void
6914 mapnotify(XEvent *e)
6915 {
6916         struct ws_win           *win;
6917         XMapEvent               *ev = &e->xmap;
6918
6919         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%lx\n", ev->window);
6920
6921         win = manage_window(ev->window);
6922         if (win)
6923                 set_win_state(win, XCB_WM_STATE_NORMAL);
6924
6925         /*
6926          * focus_win can only set input focus on a mapped window.
6927          * make sure the window really has focus since it is just being mapped.
6928          */
6929         if (win->ws->focus == win)
6930                 focus_win(win);
6931 }
6932
6933 void
6934 mappingnotify(XEvent *e)
6935 {
6936         XMappingEvent           *ev = &e->xmapping;
6937
6938         XRefreshKeyboardMapping(ev);
6939         if (ev->request == MappingKeyboard)
6940                 grabkeys();
6941 }
6942
6943 void
6944 maprequest(XEvent *e)
6945 {
6946         struct ws_win           *win;
6947         struct swm_region       *r;
6948         XWindowAttributes       wa;
6949         XMapRequestEvent        *ev = &e->xmaprequest;
6950
6951         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%lx\n",
6952             e->xmaprequest.window);
6953
6954         if (!XGetWindowAttributes(display, ev->window, &wa))
6955                 return;
6956         if (wa.override_redirect)
6957                 return;
6958
6959         win = manage_window(e->xmaprequest.window);
6960         if (win == NULL)
6961                 return; /* can't happen */
6962
6963         stack();
6964
6965         /* make new win focused */
6966         r = root_to_region(win->wa.root);
6967         if (win->ws == r->ws)
6968                 focus_magic(win);
6969 }
6970
6971 void
6972 propertynotify(XEvent *e)
6973 {
6974         struct ws_win           *win;
6975         XPropertyEvent          *ev = &e->xproperty;
6976 #ifdef SWM_DEBUG
6977         char                    *name;
6978         name = XGetAtomName(display, ev->atom);
6979         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%lx, atom: %s\n",
6980             ev->window, name);
6981         XFree(name);
6982 #endif
6983
6984         win = find_window(ev->window);
6985         if (win == NULL)
6986                 return;
6987
6988         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
6989                 update_iconic(win, 0);
6990                 map_window_raised(win->id);
6991                 stack();
6992                 focus_win(win);
6993                 return;
6994         }
6995
6996         switch (ev->atom) {
6997 #if 0
6998         case XA_WM_NORMAL_HINTS:
6999                 long            mask;
7000                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
7001                 warnx("normal hints: flag 0x%x", win->sh.flags);
7002                 if (win->sh.flags & PMinSize) {
7003                         WIDTH(win) = win->sh.min_width;
7004                         HEIGHT(win) = win->sh.min_height;
7005                         warnx("min %d %d", WIDTH(win), HEIGHT(win));
7006                 }
7007                 XMoveResizeWindow(display, win->id,
7008                     X(win), Y(win), WIDTH(win), HEIGHT(win));
7009 #endif
7010         case XA_WM_CLASS:
7011         case XA_WM_NAME:
7012                 bar_update();
7013                 break;
7014         default:
7015                 break;
7016         }
7017 }
7018
7019 void
7020 unmapnotify(XEvent *e)
7021 {
7022         struct ws_win           *win;
7023
7024         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%lx\n", e->xunmap.window);
7025
7026         /* determine if we need to help unmanage this window */
7027         win = find_window(e->xunmap.window);
7028         if (win == NULL)
7029                 return;
7030
7031         if (getstate(e->xunmap.window) == XCB_WM_STATE_NORMAL) {
7032                 unmanage_window(win);
7033                 stack();
7034
7035                 /* giant hack for apps that don't destroy transient windows */
7036                 /* eat a bunch of events to prevent remanaging the window */
7037                 XEvent                  cne;
7038                 while (XCheckWindowEvent(display, e->xunmap.window,
7039                     EnterWindowMask, &cne))
7040                         ;
7041                 while (XCheckWindowEvent(display, e->xunmap.window,
7042                     StructureNotifyMask, &cne))
7043                         ;
7044                 while (XCheckWindowEvent(display, e->xunmap.window,
7045                     SubstructureNotifyMask, &cne))
7046                         ;
7047                 /* resend unmap because we ated it */
7048                 XUnmapWindow(display, e->xunmap.window);
7049         }
7050
7051         if (focus_mode == SWM_FOCUS_DEFAULT)
7052                 drain_enter_notify();
7053 }
7054
7055 void
7056 visibilitynotify(XEvent *e)
7057 {
7058         int                     i, num_screens;
7059         struct swm_region       *r;
7060
7061         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%lx\n",
7062             e->xvisibility.window);
7063
7064         if (e->xvisibility.state == VisibilityUnobscured) {
7065                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7066                 for (i = 0; i < num_screens; i++)
7067                         TAILQ_FOREACH(r, &screens[i].rl, entry)
7068                                 if (e->xvisibility.window == WINID(r->bar))
7069                                         bar_update();
7070         }
7071 }
7072
7073 void
7074 clientmessage(XEvent *e)
7075 {
7076         XClientMessageEvent     *ev;
7077         struct ws_win           *win;
7078
7079         ev = &e->xclient;
7080
7081         win = find_window(ev->window);
7082         if (win == NULL) {
7083                 if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7084                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7085                             "unmanaged window.\n");
7086                         e->xmaprequest.window = ev->window;
7087                         maprequest(e);
7088                 }
7089                 return;
7090         }
7091
7092         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx, type: %ld\n",
7093             ev->window, ev->message_type);
7094
7095         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7096                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7097                 focus_win(win);
7098         }
7099         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
7100                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7101                 if (win->can_delete)
7102                         client_msg(win, adelete);
7103                 else
7104                         xcb_kill_client(conn, win->id);
7105         }
7106         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7107                 DNPRINTF(SWM_D_EVENT,
7108                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7109                 if (win->floating) {
7110                         if (ev->data.l[0] & (1<<8)) /* x */
7111                                 X(win) = ev->data.l[1];
7112                         if (ev->data.l[0] & (1<<9)) /* y */
7113                                 Y(win) = ev->data.l[2];
7114                         if (ev->data.l[0] & (1<<10)) /* width */
7115                                 WIDTH(win) = ev->data.l[3];
7116                         if (ev->data.l[0] & (1<<11)) /* height */
7117                                 HEIGHT(win) = ev->data.l[4];
7118
7119                         update_window(win);
7120                 }
7121                 else {
7122                         /* TODO: Change stack sizes */
7123                         /* notify no change was made. */
7124                         config_win(win, NULL);
7125                 }
7126         }
7127         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
7128                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7129                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
7130                 if (ev->data.l[2])
7131                         ewmh_update_win_state(win, ev->data.l[2],
7132                             ev->data.l[0]);
7133
7134                 stack();
7135         }
7136 }
7137
7138 int
7139 xerror_start(Display *d, XErrorEvent *ee)
7140 {
7141         other_wm = 1;
7142         return (-1);
7143 }
7144
7145 int
7146 xerror(Display *d, XErrorEvent *ee)
7147 {
7148         /* warnx("error: %p %p", display, ee); */
7149         return (-1);
7150 }
7151
7152 int
7153 active_wm(void)
7154 {
7155         other_wm = 0;
7156         xerrorxlib = XSetErrorHandler(xerror_start);
7157
7158         /* this causes an error if some other window manager is running */
7159         XSelectInput(display, DefaultRootWindow(display),
7160             SubstructureRedirectMask);
7161         XSync(display, False);
7162         if (other_wm)
7163                 return (1);
7164
7165         XSetErrorHandler(xerror);
7166         XSync(display, False);
7167         return (0);
7168 }
7169
7170 void
7171 new_region(struct swm_screen *s, int x, int y, int w, int h)
7172 {
7173         struct swm_region       *r, *n;
7174         struct workspace        *ws = NULL;
7175         int                     i;
7176
7177         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7178              s->idx, w, h, x, y);
7179
7180         /* remove any conflicting regions */
7181         n = TAILQ_FIRST(&s->rl);
7182         while (n) {
7183                 r = n;
7184                 n = TAILQ_NEXT(r, entry);
7185                 if (X(r) < (x + w) &&
7186                     (X(r) + WIDTH(r)) > x &&
7187                     Y(r) < (y + h) &&
7188                     (Y(r) + HEIGHT(r)) > y) {
7189                         if (r->ws->r != NULL)
7190                                 r->ws->old_r = r->ws->r;
7191                         r->ws->r = NULL;
7192                         bar_cleanup(r);
7193                         TAILQ_REMOVE(&s->rl, r, entry);
7194                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7195                 }
7196         }
7197
7198         /* search old regions for one to reuse */
7199
7200         /* size + location match */
7201         TAILQ_FOREACH(r, &s->orl, entry)
7202                 if (X(r) == x && Y(r) == y &&
7203                     HEIGHT(r) == h && WIDTH(r) == w)
7204                         break;
7205
7206         /* size match */
7207         TAILQ_FOREACH(r, &s->orl, entry)
7208                 if (HEIGHT(r) == h && WIDTH(r) == w)
7209                         break;
7210
7211         if (r != NULL) {
7212                 TAILQ_REMOVE(&s->orl, r, entry);
7213                 /* try to use old region's workspace */
7214                 if (r->ws->r == NULL)
7215                         ws = r->ws;
7216         } else
7217                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7218                         err(1, "new_region: calloc: failed to allocate memory "
7219                             "for screen");
7220
7221         /* if we don't have a workspace already, find one */
7222         if (ws == NULL) {
7223                 for (i = 0; i < workspace_limit; i++)
7224                         if (s->ws[i].r == NULL) {
7225                                 ws = &s->ws[i];
7226                                 break;
7227                         }
7228         }
7229
7230         if (ws == NULL)
7231                 errx(1, "new_region: no free workspaces");
7232
7233         X(r) = x;
7234         Y(r) = y;
7235         WIDTH(r) = w;
7236         HEIGHT(r) = h;
7237         r->s = s;
7238         r->ws = ws;
7239         r->ws_prior = NULL;
7240         ws->r = r;
7241         outputs++;
7242         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7243 }
7244
7245 void
7246 scan_xrandr(int i)
7247 {
7248 #ifdef SWM_XRR_HAS_CRTC
7249         int                     c;
7250         int                     ncrtc = 0;
7251 #endif /* SWM_XRR_HAS_CRTC */
7252         struct swm_region       *r;
7253         int                     num_screens;
7254         xcb_randr_get_screen_resources_cookie_t src;
7255         xcb_randr_get_screen_resources_reply_t  *srr;
7256         xcb_randr_get_crtc_info_cookie_t        cic;
7257         xcb_randr_get_crtc_info_reply_t         *cir;   
7258         xcb_randr_crtc_t        *crtc;
7259
7260         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7261         if (i >= num_screens)
7262                 errx(1, "scan_xrandr: invalid screen");
7263
7264         /* remove any old regions */
7265         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7266                 r->ws->old_r = r->ws->r = NULL;
7267                 bar_cleanup(r);
7268                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7269                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7270         }
7271         outputs = 0;
7272
7273         /* map virtual screens onto physical screens */
7274 #ifdef SWM_XRR_HAS_CRTC
7275         if (xrandr_support) {
7276                 src = xcb_randr_get_screen_resources(conn, screens[i].root);
7277                 srr = xcb_randr_get_screen_resources_reply(conn, src, NULL);
7278                 if (srr == NULL)
7279                         new_region(&screens[i], 0, 0,
7280                             DisplayWidth(display, i),
7281                             DisplayHeight(display, i));
7282                 else
7283                         ncrtc = srr->num_crtcs; 
7284                 for (c = 0; c < ncrtc; c++) {
7285                         crtc = xcb_randr_get_screen_resources_crtcs(srr);
7286                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7287                                 XCB_CURRENT_TIME);                      
7288                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7289                         if (cir && cir->num_outputs == 0)
7290                                 continue;
7291
7292                         if (cir == NULL || cir->mode == 0)
7293                                 new_region(&screens[i], 0, 0,
7294                                     DisplayWidth(display, i),
7295                                     DisplayHeight(display, i));
7296                         else
7297                                 new_region(&screens[i],
7298                                     cir->x, cir->y, cir->width, cir->height);
7299                 }
7300                 if (srr)
7301                         free(srr);
7302                 if (cir)
7303                         free(cir);      
7304         } else
7305 #endif /* SWM_XRR_HAS_CRTC */
7306         {
7307                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
7308                     DisplayHeight(display, i));
7309         }
7310 }
7311
7312 void
7313 screenchange(XEvent *e)
7314 {
7315         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
7316         struct swm_region               *r;
7317         int                             i, num_screens;
7318
7319         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%lx\n", xe->root);
7320
7321         if (!XRRUpdateConfiguration(e))
7322                 return;
7323
7324         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7325         /* silly event doesn't include the screen index */
7326         for (i = 0; i < num_screens; i++)
7327                 if (screens[i].root == xe->root)
7328                         break;
7329         if (i >= num_screens)
7330                 errx(1, "screenchange: screen not found");
7331
7332         /* brute force for now, just re-enumerate the regions */
7333         scan_xrandr(i);
7334
7335         /* add bars to all regions */
7336         for (i = 0; i < num_screens; i++)
7337                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7338                         bar_setup(r);
7339         stack();
7340         if (focus_mode == SWM_FOCUS_DEFAULT)
7341                 drain_enter_notify();
7342 }
7343
7344 void
7345 grab_windows(void)
7346 {
7347         xcb_window_t            *wins   = NULL;
7348         int                     no;
7349         int                     i, j, num_screens;
7350         uint16_t                state, manage;
7351         
7352         xcb_query_tree_cookie_t                 qtc;
7353         xcb_query_tree_reply_t                  *qtr;
7354         xcb_get_window_attributes_cookie_t      c;
7355         xcb_get_window_attributes_reply_t       *r;
7356         xcb_get_property_cookie_t               pc;
7357
7358         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7359         for (i = 0; i < num_screens; i++) {
7360                 qtc = xcb_query_tree(conn, screens[i].root);
7361                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7362                 if (!qtr)
7363                         continue;
7364                 wins = xcb_query_tree_children(qtr);
7365                 no = xcb_query_tree_children_length(qtr);
7366                 /* attach windows to a region */
7367                 /* normal windows */            
7368                 for (j = 0; j < no; j++) {
7369                         c = xcb_get_window_attributes(conn, wins[j]);
7370                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7371                         if (!r)
7372                                 continue;
7373                         if (r->override_redirect) {
7374                                 free(r);
7375                                 continue;
7376                         }
7377                         
7378                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7379                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7380                                         NULL)) {
7381                                 free(r);
7382                                 continue;
7383                         }
7384
7385                         state = getstate(wins[j]);
7386                         manage = state == XCB_WM_STATE_ICONIC;
7387                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7388                                 manage_window(wins[j]);
7389                         free(r);
7390                 }
7391                 /* transient windows */
7392                 for (j = 0; j < no; j++) {
7393                         c = xcb_get_window_attributes(conn, wins[j]);
7394                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7395                         if (!r)
7396                                 continue;
7397                         if (r->override_redirect) {
7398                                 free(r);
7399                                 continue;
7400                         }
7401                         free(r);
7402                 
7403                         state = getstate(wins[j]);
7404                         manage = state == XCB_WM_STATE_ICONIC;
7405                         pc = xcb_get_wm_transient_for(conn, wins[j]);
7406                         if (xcb_get_wm_transient_for_reply(conn, pc, &wins[j],
7407                                         NULL) && manage)
7408                                 manage_window(wins[j]);
7409                 }
7410                 free(qtr);
7411         }
7412 }
7413
7414 void
7415 setup_screens(void)
7416 {
7417         int                     i, j, k, num_screens;
7418         int                     errorbase;
7419         struct workspace        *ws;
7420         XGCValues               gcv;
7421
7422         xcb_randr_query_version_cookie_t        c;
7423         xcb_randr_query_version_reply_t         *r;
7424
7425         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7426         if ((screens = calloc(num_screens,
7427              sizeof(struct swm_screen))) == NULL)
7428                 err(1, "setup_screens: calloc: failed to allocate memory for "
7429                     "screens");
7430
7431         /* initial Xrandr setup */
7432         xrandr_support = XRRQueryExtension(display,
7433             &xrandr_eventbase, &errorbase);
7434         if (xrandr_support) {
7435                 c = xcb_randr_query_version(conn, True, False);
7436                 r = xcb_randr_query_version_reply(conn, c, NULL);
7437                 if (r) {
7438                         if (r->major_version < 1)
7439                                 xrandr_support = 0;
7440                         free(r);
7441                 } else
7442                         xrandr_support = 0;
7443         }
7444
7445         /* map physical screens */
7446         for (i = 0; i < num_screens; i++) {
7447                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7448                 screens[i].idx = i;
7449                 TAILQ_INIT(&screens[i].rl);
7450                 TAILQ_INIT(&screens[i].orl);
7451                 screens[i].root = RootWindow(display, i);
7452
7453                 /* set default colors */
7454                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7455                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7456                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7457                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7458                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7459
7460                 /* create graphics context on screen */
7461                 gcv.graphics_exposures = 0;
7462                 screens[i].bar_gc = XCreateGC(display, screens[i].root,
7463                         GCGraphicsExposures, &gcv);
7464
7465                 /* set default cursor */
7466                 XDefineCursor(display, screens[i].root,
7467                     XCreateFontCursor(display, XC_left_ptr));
7468
7469                 /* init all workspaces */
7470                 /* XXX these should be dynamically allocated too */
7471                 for (j = 0; j < SWM_WS_MAX; j++) {
7472                         ws = &screens[i].ws[j];
7473                         ws->idx = j;
7474                         ws->name = NULL;
7475                         ws->focus = NULL;
7476                         ws->r = NULL;
7477                         ws->old_r = NULL;
7478                         TAILQ_INIT(&ws->winlist);
7479                         TAILQ_INIT(&ws->unmanagedlist);
7480
7481                         for (k = 0; layouts[k].l_stack != NULL; k++)
7482                                 if (layouts[k].l_config != NULL)
7483                                         layouts[k].l_config(ws,
7484                                             SWM_ARG_ID_STACKINIT);
7485                         ws->cur_layout = &layouts[0];
7486                         ws->cur_layout->l_string(ws);
7487                 }
7488
7489                 scan_xrandr(i);
7490
7491                 if (xrandr_support)
7492                         xcb_randr_select_input(conn, screens[i].root,
7493                                 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7494         }
7495 }
7496
7497 void
7498 setup_globals(void)
7499 {
7500         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7501                 err(1, "setup_globals: strdup: failed to allocate memory.");
7502
7503         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7504                 err(1, "setup_globals: strdup: failed to allocate memory.");
7505 }
7506
7507 void
7508 workaround(void)
7509 {
7510         int                     i, num_screens;
7511         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7512         xcb_window_t            root, win;
7513
7514         /* work around sun jdk bugs, code from wmname */
7515         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7516         netwmname = get_atom_from_string("_NET_WM_NAME");
7517         utf8_string = get_atom_from_string("UTF8_STRING");
7518
7519         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7520         for (i = 0; i < num_screens; i++) {
7521                 root = screens[i].root;
7522                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
7523                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
7524                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
7525
7526                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7527                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7528                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7529                         netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7530                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7531                         netwmcheck, utf8_string, 8, strlen("LG3D"), "LG3D"); 
7532         }
7533 }
7534
7535 int
7536 main(int argc, char *argv[])
7537 {
7538         struct swm_region       *r, *rr;
7539         struct ws_win           *winfocus = NULL;
7540         struct timeval          tv;
7541         union arg               a;
7542         char                    conf[PATH_MAX], *cfile = NULL;
7543         struct stat             sb;
7544         XEvent                  e;
7545         int                     xfd, i, num_screens;
7546         fd_set                  rd;
7547         struct sigaction        sact;
7548         xcb_generic_event_t     *evt;
7549         
7550         start_argv = argv;
7551         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7552         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7553             !XSupportsLocale())
7554                 warnx("no locale support");
7555
7556         if (!X_HAVE_UTF8_STRING)
7557                 warnx("no UTF-8 support");
7558
7559         if (!(display = XOpenDisplay(0)))
7560                 errx(1, "can not open display");
7561
7562         if (!(conn = XGetXCBConnection(display)))
7563                 errx(1, "can not get XCB connection");
7564
7565         if (active_wm())
7566                 errx(1, "other wm running");
7567
7568         /* handle some signals */
7569         bzero(&sact, sizeof(sact));
7570         sigemptyset(&sact.sa_mask);
7571         sact.sa_flags = 0;
7572         sact.sa_handler = sighdlr;
7573         sigaction(SIGINT, &sact, NULL);
7574         sigaction(SIGQUIT, &sact, NULL);
7575         sigaction(SIGTERM, &sact, NULL);
7576         sigaction(SIGHUP, &sact, NULL);
7577
7578         sact.sa_handler = sighdlr;
7579         sact.sa_flags = SA_NOCLDSTOP;
7580         sigaction(SIGCHLD, &sact, NULL);
7581
7582         astate = get_atom_from_string("WM_STATE");
7583         aprot = get_atom_from_string("WM_PROTOCOLS");
7584         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7585         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7586         a_wmname = get_atom_from_string("WM_NAME");
7587         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7588         a_utf8_string = get_atom_from_string("UTF8_STRING");
7589         a_string = get_atom_from_string("STRING");
7590         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7591
7592         /* look for local and global conf file */
7593         pwd = getpwuid(getuid());
7594         if (pwd == NULL)
7595                 errx(1, "invalid user: %d", getuid());
7596
7597         setup_globals();
7598         setup_screens();
7599         setup_keys();
7600         setup_quirks();
7601         setup_spawn();
7602
7603         /* load config */
7604         for (i = 0; ; i++) {
7605                 conf[0] = '\0';
7606                 switch (i) {
7607                 case 0:
7608                         /* ~ */
7609                         snprintf(conf, sizeof conf, "%s/.%s",
7610                             pwd->pw_dir, SWM_CONF_FILE);
7611                         break;
7612                 case 1:
7613                         /* global */
7614                         snprintf(conf, sizeof conf, "/etc/%s",
7615                             SWM_CONF_FILE);
7616                         break;
7617                 case 2:
7618                         /* ~ compat */
7619                         snprintf(conf, sizeof conf, "%s/.%s",
7620                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7621                         break;
7622                 case 3:
7623                         /* global compat */
7624                         snprintf(conf, sizeof conf, "/etc/%s",
7625                             SWM_CONF_FILE_OLD);
7626                         break;
7627                 default:
7628                         goto noconfig;
7629                 }
7630
7631                 if (strlen(conf) && stat(conf, &sb) != -1)
7632                         if (S_ISREG(sb.st_mode)) {
7633                                 cfile = conf;
7634                                 break;
7635                         }
7636         }
7637 noconfig:
7638
7639         /* load conf (if any) */
7640         if (cfile)
7641                 conf_load(cfile, SWM_CONF_DEFAULT);
7642
7643         setup_ewmh();
7644         /* set some values to work around bad programs */
7645         workaround();
7646         /* grab existing windows (before we build the bars) */
7647         grab_windows();
7648
7649         if (getenv("SWM_STARTED") == NULL)
7650                 setenv("SWM_STARTED", "YES", 1);
7651
7652         /* setup all bars */
7653         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7654         for (i = 0; i < num_screens; i++)
7655                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7656                         if (winfocus == NULL)
7657                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7658                         bar_setup(r);
7659                 }
7660
7661         unfocus_all();
7662
7663         grabkeys();
7664         stack();
7665         if (focus_mode == SWM_FOCUS_DEFAULT)
7666                 drain_enter_notify();
7667
7668         xfd = xcb_get_file_descriptor(conn); 
7669         while (running) {
7670                 while ((evt = xcb_poll_for_event(conn)) == 0) {
7671                         XNextEvent(display, &e);
7672                         if (running == 0)
7673                                 goto done;
7674                         if (e.type < LASTEvent) {
7675                                 DNPRINTF(SWM_D_EVENTQ ,"XEvent: handled: %s, "
7676                                     "window: 0x%lx, type: %s (%d), %d remaining"
7677                                     "\n", YESNO(handler[e.type]),
7678                                     e.xany.window, geteventname(&e),
7679                                     e.type, QLength(display));
7680
7681                                 if (handler[e.type])
7682                                         handler[e.type](&e);
7683                         } else {
7684                                 DNPRINTF(SWM_D_EVENTQ, "XRandr Event: window: "
7685                                     "0x%lx, type: %s (%d)\n", e.xany.window,
7686                                     xrandr_geteventname(&e), e.type);
7687
7688                                 switch (e.type - xrandr_eventbase) {
7689                                 case RRScreenChangeNotify:
7690                                         screenchange(&e);
7691                                         break;
7692                                 default:
7693                                         break;
7694                                 }
7695                         }
7696                 }
7697
7698                 /* if we are being restarted go focus on first window */
7699                 if (winfocus) {
7700                         rr = winfocus->ws->r;
7701                         if (rr == NULL) {
7702                                 /* not a visible window */
7703                                 winfocus = NULL;
7704                                 continue;
7705                         }
7706                         /* move pointer to first screen if multi screen */
7707                         if (num_screens > 1 || outputs > 1)
7708                                 XWarpPointer(display, None, rr->s[0].root,
7709                                     0, 0, 0, 0, X(rr),
7710                                     Y(rr) + (bar_enabled ? bar_height : 0));
7711
7712                         a.id = SWM_ARG_ID_FOCUSCUR;
7713                         focus(rr, &a);
7714                         winfocus = NULL;
7715                         continue;
7716                 }
7717
7718                 FD_ZERO(&rd);
7719                 FD_SET(xfd, &rd);
7720                 tv.tv_sec = 1;
7721                 tv.tv_usec = 0;
7722                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7723                         if (errno != EINTR)
7724                                 DNPRINTF(SWM_D_MISC, "select failed");
7725                 if (restart_wm == 1)
7726                         restart(NULL, NULL);
7727                 if (search_resp == 1)
7728                         search_do_resp();
7729                 if (running == 0)
7730                         goto done;
7731                 if (bar_alarm) {
7732                         bar_alarm = 0;
7733                         bar_update();
7734                 }
7735         }
7736 done:
7737         teardown_ewmh();
7738         bar_extra_stop();
7739
7740         for (i = 0; i < num_screens; ++i)
7741                 if (screens[i].bar_gc != NULL)
7742                         XFreeGC(display, screens[i].bar_gc);
7743         XFreeFontSet(display, bar_fs);
7744         xcb_disconnect(conn);   
7745         XCloseDisplay(display);
7746
7747         return (0);
7748 }