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Fix phantom windows better by keeping transients; fixes mozilla restart
[spectrwm] / scrotwm.c
1 /* $scrotwm$ */
2 /*
3 * Copyright (c) 2009 Marco Peereboom <marco@peereboom.us>
4 * Copyright (c) 2009 Ryan McBride <mcbride@countersiege.com>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 /*
19 * Much code and ideas taken from dwm under the following license:
20 * MIT/X Consortium License
21 *
22 * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
23 * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
24 * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
25 * 2007 Premysl Hruby <dfenze at gmail dot com>
26 * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
27 * 2007 Christof Musik <christof at sendfax dot de>
28 * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
29 * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
30 * 2008 Martin Hurton <martin dot hurton at gmail dot com>
31 *
32 * Permission is hereby granted, free of charge, to any person obtaining a
33 * copy of this software and associated documentation files (the "Software"),
34 * to deal in the Software without restriction, including without limitation
35 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
36 * and/or sell copies of the Software, and to permit persons to whom the
37 * Software is furnished to do so, subject to the following conditions:
38 *
39 * The above copyright notice and this permission notice shall be included in
40 * all copies or substantial portions of the Software.
41 *
42 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
43 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
44 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
45 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
46 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
47 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
48 * DEALINGS IN THE SOFTWARE.
49 */
50
51 #define SWM_VERSION "0.5"
52
53 #include <stdio.h>
54 #include <stdlib.h>
55 #include <err.h>
56 #include <locale.h>
57 #include <unistd.h>
58 #include <time.h>
59 #include <signal.h>
60 #include <string.h>
61 #include <util.h>
62 #include <pwd.h>
63
64 #include <sys/types.h>
65 #include <sys/stat.h>
66 #include <sys/wait.h>
67 #include <sys/queue.h>
68 #include <sys/param.h>
69
70 #include <X11/cursorfont.h>
71 #include <X11/keysym.h>
72 #include <X11/Xatom.h>
73 #include <X11/Xlib.h>
74 #include <X11/Xproto.h>
75 #include <X11/Xutil.h>
76
77 /* #define SWM_DEBUG */
78 #ifdef SWM_DEBUG
79 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
80 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
81 #define SWM_D_MISC 0x0001
82 #define SWM_D_EVENT 0x0002
83 #define SWM_D_WS 0x0004
84 #define SWM_D_FOCUS 0x0008
85 #define SWM_D_MOVE 0x0010
86
87 u_int32_t swm_debug = 0
88 | SWM_D_MISC
89 | SWM_D_EVENT
90 | SWM_D_WS
91 | SWM_D_FOCUS
92 | SWM_D_MOVE
93 ;
94 #else
95 #define DPRINTF(x...)
96 #define DNPRINTF(n,x...)
97 #endif
98
99 #define LENGTH(x) (sizeof x / sizeof x[0])
100 #define MODKEY Mod1Mask
101 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
102
103 char **start_argv;
104 int (*xerrorxlib)(Display *, XErrorEvent *);
105 int other_wm;
106 int screen;
107 int running = 1;
108 int ignore_enter = 0;
109 unsigned int numlockmask = 0;
110 unsigned long color_focus = 0xff0000; /* XXX should this be per ws? */
111 unsigned long color_unfocus = 0x888888;
112 Display *display;
113 Window root;
114
115 /* status bar */
116 int bar_enabled = 1;
117 int bar_height = 0;
118 unsigned long bar_border = 0x008080;
119 unsigned long bar_color = 0x000000;
120 unsigned long bar_font_color = 0xa0a0a0;
121 Window bar_window;
122 GC bar_gc;
123 XGCValues bar_gcv;
124 XFontStruct *bar_fs;
125 char bar_text[128];
126 char *bar_fonts[] = {
127 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
128 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
129 NULL
130 };
131
132 /* terminal + args */
133 char *spawn_term[] = { "xterm", NULL };
134 char *spawn_menu[] = { "dmenu_run", NULL };
135
136 /* layout manager data */
137 struct swm_geometry {
138 int x;
139 int y;
140 int w;
141 int h;
142 };
143
144
145 struct ws_win {
146 TAILQ_ENTRY(ws_win) entry;
147 Window id;
148 struct swm_geometry g;
149 int floating;
150 int transient;
151 XWindowAttributes wa;
152 XSizeHints sh;
153 };
154 TAILQ_HEAD(ws_win_list, ws_win);
155
156 /* layout handlers */
157 void stack(void);
158 void vertical_init(int);
159 void vertical_resize(int);
160 void vertical_stack(struct swm_geometry *);
161 void horizontal_init(int);
162 void horizontal_resize(int);
163 void horizontal_stack(struct swm_geometry *);
164 void max_init(int);
165 void max_focus(struct ws_win *);
166 void max_stack(struct swm_geometry *);
167
168 struct layout {
169 void (*l_init)(int); /* init/reset */
170 void (*l_stack)(struct swm_geometry *);
171 void (*l_resize)(int);
172 void (*l_focus)(struct ws_win *);
173 } layouts[] = {
174 /* init stack, resize */
175 { vertical_init, vertical_stack, vertical_resize, NULL},
176 { horizontal_init, horizontal_stack, horizontal_resize, NULL},
177 { NULL, max_stack, NULL, max_focus},
178 { NULL, NULL, NULL, NULL},
179 };
180
181
182 /* define work spaces */
183 #define SWM_WS_MAX (10)
184 struct workspace {
185 int visible; /* workspace visible */
186 int restack; /* restack on switch */
187 struct swm_geometry g;
188 struct layout *cur_layout; /* current layout handlers */
189 struct ws_win *focus; /* which win has focus */
190 struct ws_win_list winlist; /* list of windows in ws */
191 } ws[SWM_WS_MAX];
192 int current_ws = 0;
193
194 /* args to functions */
195 union arg {
196 int id;
197 #define SWM_ARG_ID_FOCUSNEXT (0)
198 #define SWM_ARG_ID_FOCUSPREV (1)
199 #define SWM_ARG_ID_FOCUSMAIN (2)
200 #define SWM_ARG_ID_SWAPNEXT (3)
201 #define SWM_ARG_ID_SWAPPREV (4)
202 #define SWM_ARG_ID_SWAPMAIN (5)
203 #define SWM_ARG_ID_MASTERSHRINK (6)
204 #define SWM_ARG_ID_MASTERGROW (7)
205 char **argv;
206 };
207
208 /* conf file stuff */
209 #define SWM_CONF_WS "\n= \t"
210 #define SWM_CONF_FILE "scrotwm.conf"
211 int
212 conf_load(char *filename)
213 {
214 FILE *config;
215 char *line, *cp, *var, *val;
216 size_t len, lineno = 0;
217
218 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
219
220 if (filename == NULL)
221 return (1);
222
223 if ((config = fopen(filename, "r")) == NULL)
224 return (1);
225
226 for (;;) {
227 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
228 if (feof(config))
229 break;
230 cp = line;
231 cp += (long)strspn(cp, SWM_CONF_WS);
232 if (cp[0] == '\0') {
233 /* empty line */
234 free(line);
235 continue;
236 }
237 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
238 break;
239 cp += (long)strspn(cp, SWM_CONF_WS);
240 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
241 break;
242
243 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
244 switch (var[0]) {
245 case 'b':
246 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
247 bar_enabled = atoi(val);
248 else if (!strncmp(var, "bar_border",
249 strlen("bar_border")))
250 bar_border = strtol(val, NULL, 16);
251 else if (!strncmp(var, "bar_color",
252 strlen("bar_color")))
253 bar_color = strtol(val, NULL, 16);
254 else if (!strncmp(var, "bar_font_color",
255 strlen("bar_font_color")))
256 bar_font_color = strtol(val, NULL, 16);
257 else if (!strncmp(var, "bar_font", strlen("bar_font")))
258 asprintf(&bar_fonts[0], "%s", val);
259 else
260 goto bad;
261 break;
262
263 case 'c':
264 if (!strncmp(var, "color_focus", strlen("color_focus")))
265 color_focus = strtol(val, NULL, 16);
266 else if (!strncmp(var, "color_unfocus",
267 strlen("color_unfocus")))
268 color_unfocus = strtol(val, NULL, 16);
269 else
270 goto bad;
271 break;
272
273 case 's':
274 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
275 asprintf(&spawn_term[0], "%s", val); /* XXX args? */
276 break;
277 default:
278 goto bad;
279 }
280 free(line);
281 }
282
283 fclose(config);
284 return (0);
285 bad:
286 errx(1, "invalid conf file entry: %s=%s", var, val);
287 }
288
289 void
290 bar_print(void)
291 {
292 time_t tmt;
293 struct tm tm;
294
295 if (bar_enabled == 0)
296 return;
297
298 /* clear old text */
299 XSetForeground(display, bar_gc, bar_color);
300 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
301 strlen(bar_text));
302
303 /* draw new text */
304 time(&tmt);
305 localtime_r(&tmt, &tm);
306 strftime(bar_text, sizeof bar_text, "%a %b %d %R %Z %Y", &tm);
307 XSetForeground(display, bar_gc, bar_font_color);
308 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
309 strlen(bar_text));
310 XSync(display, False);
311
312 alarm(60);
313 }
314
315 void
316 bar_signal(int sig)
317 {
318 /* XXX yeah yeah byte me */
319 bar_print();
320 }
321
322 void
323 bar_toggle(union arg *args)
324 {
325 int i;
326
327 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
328
329 if (bar_enabled) {
330 bar_enabled = 0;
331 XUnmapWindow(display, bar_window);
332 } else {
333 bar_enabled = 1;
334 XMapRaised(display, bar_window);
335 }
336 XSync(display, False);
337 for (i = 0; i < SWM_WS_MAX; i++)
338 ws[i].restack = 1;
339
340 stack();
341 bar_print(); /* must be after stack */
342 }
343
344 void
345 bar_setup(void)
346 {
347 int i;
348
349 for (i = 0; bar_fonts[i] != NULL; i++) {
350 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
351 if (bar_fs)
352 break;
353 }
354 if (bar_fonts[i] == NULL)
355 errx(1, "couldn't load font");
356 bar_height = bar_fs->ascent + bar_fs->descent + 3;
357
358 bar_window = XCreateSimpleWindow(display, root, 0, 0,
359 ws[current_ws].g.w, bar_height - 2, 1, bar_border, bar_color);
360 bar_gc = XCreateGC(display, bar_window, 0, &bar_gcv);
361 XSetFont(display, bar_gc, bar_fs->fid);
362 XSelectInput(display, bar_window, VisibilityChangeMask);
363 if (bar_enabled) {
364 XMapRaised(display, bar_window);
365 }
366 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %d\n", (int)bar_window);
367
368 if (signal(SIGALRM, bar_signal) == SIG_ERR)
369 err(1, "could not install bar_signal");
370 bar_print();
371 }
372
373 void
374 config_win(struct ws_win *win)
375 {
376 XConfigureEvent ce;
377
378 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
379 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
380 ce.type = ConfigureNotify;
381 ce.display = display;
382 ce.event = win->id;
383 ce.window = win->id;
384 ce.x = win->g.x;
385 ce.y = win->g.y;
386 ce.width = win->g.w;
387 ce.height = win->g.h;
388 ce.border_width = 1; /* XXX store this! */
389 ce.above = None;
390 ce.override_redirect = False;
391 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
392 }
393
394 int
395 count_win(int wsid, int count_transient)
396 {
397 struct ws_win *win;
398 int count = 0;
399
400 TAILQ_FOREACH (win, &ws[wsid].winlist, entry) {
401 if (count_transient == 0 && win->floating)
402 continue;
403 if (count_transient == 0 && win->transient)
404 continue;
405 count++;
406 }
407 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
408
409 return (count);
410 }
411 void
412 quit(union arg *args)
413 {
414 DNPRINTF(SWM_D_MISC, "quit\n");
415 running = 0;
416 }
417
418 void
419 restart(union arg *args)
420 {
421 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
422
423 XCloseDisplay(display);
424 execvp(start_argv[0], start_argv);
425 fprintf(stderr, "execvp failed\n");
426 perror(" failed");
427 quit(NULL);
428 }
429
430 void
431 spawn(union arg *args)
432 {
433 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
434 /*
435 * The double-fork construct avoids zombie processes and keeps the code
436 * clean from stupid signal handlers.
437 */
438 if(fork() == 0) {
439 if(fork() == 0) {
440 if(display)
441 close(ConnectionNumber(display));
442 setsid();
443 execvp(args->argv[0], args->argv);
444 fprintf(stderr, "execvp failed\n");
445 perror(" failed");
446 }
447 exit(0);
448 }
449 wait(0);
450 }
451
452 void
453 focus_win(struct ws_win *win)
454 {
455 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win->id);
456 XSetWindowBorder(display, win->id, color_focus);
457 XSetInputFocus(display, win->id, RevertToPointerRoot, CurrentTime);
458 ws[current_ws].focus = win;
459 }
460
461 void
462 unfocus_win(struct ws_win *win)
463 {
464 DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", win->id);
465 XSetWindowBorder(display, win->id, color_unfocus);
466 if (ws[current_ws].focus == win)
467 ws[current_ws].focus = NULL;
468 }
469
470 void
471 switchws(union arg *args)
472 {
473 int wsid = args->id;
474 struct ws_win *win;
475
476 DNPRINTF(SWM_D_WS, "switchws: %d\n", wsid + 1);
477
478 if (wsid == current_ws)
479 return;
480
481 /* map new window first to prevent ugly blinking */
482 TAILQ_FOREACH (win, &ws[wsid].winlist, entry)
483 XMapRaised(display, win->id);
484 ws[wsid].visible = 1;
485
486 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry)
487 XUnmapWindow(display, win->id);
488 ws[current_ws].visible = 0;
489
490 current_ws = wsid;
491
492 ignore_enter = 1;
493 if (ws[wsid].restack) {
494 stack();
495 bar_print();
496 } else {
497 if (ws[wsid].focus != NULL)
498 focus_win(ws[wsid].focus);
499 XSync(display, False);
500 }
501 }
502
503 void
504 swapwin(union arg *args)
505 {
506 struct ws_win *target;
507
508 DNPRINTF(SWM_D_MOVE, "swapwin: id %d\n", args->id);
509 if (ws[current_ws].focus == NULL)
510 return;
511
512 switch (args->id) {
513 case SWM_ARG_ID_SWAPPREV:
514 target = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
515 TAILQ_REMOVE(&ws[current_ws].winlist,
516 ws[current_ws].focus, entry);
517 if (target == NULL)
518 TAILQ_INSERT_TAIL(&ws[current_ws].winlist,
519 ws[current_ws].focus, entry);
520 else
521 TAILQ_INSERT_BEFORE(target, ws[current_ws].focus,
522 entry);
523 break;
524 case SWM_ARG_ID_SWAPNEXT:
525 target = TAILQ_NEXT(ws[current_ws].focus, entry);
526 TAILQ_REMOVE(&ws[current_ws].winlist,
527 ws[current_ws].focus, entry);
528 if (target == NULL)
529 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
530 ws[current_ws].focus, entry);
531 else
532 TAILQ_INSERT_AFTER(&ws[current_ws].winlist, target,
533 ws[current_ws].focus, entry);
534 break;
535 case SWM_ARG_ID_SWAPMAIN:
536 target = TAILQ_FIRST(&ws[current_ws].winlist);
537 if (target == ws[current_ws].focus)
538 return;
539 TAILQ_REMOVE(&ws[current_ws].winlist, target, entry);
540 TAILQ_INSERT_BEFORE(ws[current_ws].focus, target, entry);
541 TAILQ_REMOVE(&ws[current_ws].winlist,
542 ws[current_ws].focus, entry);
543 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
544 ws[current_ws].focus, entry);
545 break;
546 default:
547 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
548 return;
549 }
550
551 ignore_enter = 2;
552 stack();
553 }
554
555 void
556 focus(union arg *args)
557 {
558 struct ws_win *winfocus, *winlostfocus;
559
560 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
561 if (ws[current_ws].focus == NULL)
562 return;
563
564 winlostfocus = ws[current_ws].focus;
565
566 switch (args->id) {
567 case SWM_ARG_ID_FOCUSPREV:
568 winfocus = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
569 if (winfocus == NULL)
570 winfocus =
571 TAILQ_LAST(&ws[current_ws].winlist, ws_win_list);
572 break;
573
574 case SWM_ARG_ID_FOCUSNEXT:
575 winfocus = TAILQ_NEXT(ws[current_ws].focus, entry);
576 if (winfocus == NULL)
577 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
578 break;
579
580 case SWM_ARG_ID_FOCUSMAIN:
581 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
582 break;
583
584 default:
585 return;
586 }
587
588 if (winfocus == winlostfocus)
589 return;
590
591 unfocus_win(winlostfocus);
592 focus_win(winfocus);
593 /* XXX if we hook in focus_win(), we get a nasty cycle */
594 if (ws[current_ws].cur_layout->l_focus != NULL)
595 ws[current_ws].cur_layout->l_focus(winfocus);
596 XSync(display, False);
597 }
598
599 void
600 cycle_layout(union arg *args)
601 {
602 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", current_ws);
603
604 ws[current_ws].cur_layout++;
605 if (ws[current_ws].cur_layout->l_stack == NULL)
606 ws[current_ws].cur_layout = &layouts[0];
607 ignore_enter = 1;
608
609 stack();
610 }
611
612 void
613 resize_master(union arg *args)
614 {
615 DNPRINTF(SWM_D_EVENT, "resize_master: id %d\n", args->id);
616
617 if (ws[current_ws].cur_layout->l_resize != NULL)
618 ws[current_ws].cur_layout->l_resize(args->id);
619 }
620
621 void
622 stack_reset(union arg *args)
623 {
624 DNPRINTF(SWM_D_EVENT, "stack_reset: ws %d\n", current_ws);
625
626 if (ws[current_ws].cur_layout->l_init != NULL) {
627 ws[current_ws].cur_layout->l_init(current_ws);
628 stack();
629 }
630 }
631
632 void
633 stack(void) {
634 struct swm_geometry g;
635 DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
636
637 /* start with workspace geometry, adjust for bar */
638 g = ws[current_ws].g;
639 if (bar_enabled) {
640 g.y += bar_height;
641 g.h -= bar_height;
642 }
643
644 ws[current_ws].restack = 0;
645 ws[current_ws].cur_layout->l_stack(&g);
646 XSync(display, False);
647 }
648
649 void
650 stack_floater(struct ws_win *win)
651 {
652 unsigned int mask;
653 XWindowChanges wc;
654
655 #if 0
656 bzero(&wc, sizeof wc);
657 wc.border_width = 1;
658 mask = CWX | CWY | CWBorderWidth;
659
660 win->g.w = wc.width = win->wa.width;
661 win->g.h = wc.height = win->wa.height;
662 win->g.x = wc.x = (ws[current_ws].g.w - win->wa.width) / 2;
663 win->g.y = wc.y = (ws[current_ws].g.h - win->wa.height) / 2;
664
665 DNPRINTF(SWM_D_EVENT, "stack_floater: win %d x %d y %d w %d h %d\n",
666 win, wc.x, wc.y, wc.width, wc.height);
667
668 XConfigureWindow(display, win->id, mask, &wc);
669 return;
670 #endif
671 bzero(&wc, sizeof wc);
672 wc.border_width = 1;
673 mask = CWX | CWY | CWBorderWidth;
674
675 /* use obsolete width height */
676 if (win->sh.flags & USPosition) {
677 win->g.w = wc.width = win->sh.width;
678 win->g.h = wc.height = win->sh.height;
679 mask |= CWWidth | CWHeight;
680 }
681
682 /* try min max */
683 if (win->sh.flags & PMinSize) {
684 /* some hints are retarded */
685 if (win->sh.min_width < ws[current_ws].g.w / 10)
686 win->sh.min_width = ws[current_ws].g.w / 3;
687 if (win->sh.min_height < ws[current_ws].g.h / 10)
688 win->sh.height = ws[current_ws].g.h / 3;
689
690 win->g.w = wc.width = win->sh.min_width * 2;
691 win->g.h = wc.height = win->sh.min_height * 2;
692 mask |= CWWidth | CWHeight;
693 }
694 if (win->sh.flags & PMaxSize) {
695 /* potentially override min values */
696 if (win->sh.max_width < ws[current_ws].g.w) {
697 win->g.w = wc.width = win->sh.max_width;
698 mask |= CWWidth;
699 }
700 if (win->sh.max_height < ws[current_ws].g.h) {
701 win->g.h = wc.height = win->sh.max_height;
702 mask |= CWHeight;
703 }
704 }
705
706 /* make sure we don't clobber the screen */
707 if ((mask & CWWidth) && win->wa.width > ws[current_ws].g.w)
708 win->wa.width = ws[current_ws].g.w - 4;
709 if ((mask & CWHeight) && win->wa.height > ws[current_ws].g.h)
710 win->wa.height = ws[current_ws].g.h - 4;
711
712 /* supposed to be obsolete */
713 if (win->sh.flags & USPosition) {
714 win->g.x = wc.x = win->sh.x;
715 win->g.y = wc.y = win->sh.y;
716 } else {
717 win->g.x = wc.x = (ws[current_ws].g.w - win->wa.width) / 2;
718 win->g.y = wc.y = (ws[current_ws].g.h - win->wa.height) / 2;
719 }
720 DNPRINTF(SWM_D_EVENT, "stack_floater: win %d x %d y %d w %d h %d\n",
721 win, wc.x, wc.y, wc.width, wc.height);
722
723 XConfigureWindow(display, win->id, mask, &wc);
724 }
725
726
727 int vertical_msize[SWM_WS_MAX];
728
729 void
730 vertical_init(int ws_idx)
731 {
732 DNPRINTF(SWM_D_MISC, "vertical_init: workspace: %d\n", current_ws);
733
734 vertical_msize[ws_idx] = ws[ws_idx].g.w / 2;
735 }
736
737 void
738 vertical_resize(int id)
739 {
740 DNPRINTF(SWM_D_MISC, "vertical_resize: workspace: %d\n", current_ws);
741
742 switch (id) {
743 case SWM_ARG_ID_MASTERSHRINK:
744 vertical_msize[current_ws] -= ws[current_ws].g.w / 32;
745 if ( vertical_msize[current_ws] < ws[current_ws].g.w / 16)
746 vertical_msize[current_ws] = ws[current_ws].g.w / 16;
747 break;
748 case SWM_ARG_ID_MASTERGROW:
749 vertical_msize[current_ws] += ws[current_ws].g.w / 32;
750 if ( vertical_msize[current_ws] >
751 (ws[current_ws].g.w - (ws[current_ws].g.w / 16)))
752 vertical_msize[current_ws] =
753 ws[current_ws].g.w - ws[current_ws].g.w / 16;
754 break;
755 default:
756 return;
757 }
758 stack();
759 }
760
761 void
762 vertical_stack(struct swm_geometry *g) {
763 XWindowChanges wc;
764 struct swm_geometry gg = *g;
765 struct ws_win wf, *win, *winfocus = &wf;
766 int i, hrh, winno;
767 unsigned int mask;
768
769 DNPRINTF(SWM_D_EVENT, "vertical_stack: workspace: %d\n", current_ws);
770
771 winno = count_win(current_ws, 0);
772 if (winno == 0)
773 return;
774 winfocus->id = root;
775
776 if (winno > 1)
777 gg.w = vertical_msize[current_ws];
778
779 if (winno > 2)
780 hrh = g->h / (winno - 1);
781 else
782 hrh = 0;
783
784 i = 0;
785 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
786 if (i == 1) {
787 gg.x += vertical_msize[current_ws] + 2;
788 gg.w = g->w - (vertical_msize[current_ws] + 2);
789 }
790 if (i != 0 && hrh != 0) {
791 /* correct the last window for lost pixels */
792 if (win == TAILQ_LAST(&ws[current_ws].winlist,
793 ws_win_list)) {
794 gg.h = hrh + (g->h - (i * hrh));
795 gg.y += hrh;
796 } else {
797 gg.h = hrh - 2;
798 /* leave first right hand window at y = 0 */
799 if (i > 1)
800 gg.y += gg.h + 2;
801 }
802 }
803
804 if (win->transient != 0 || win->floating != 0)
805 stack_floater(win);
806 else {
807 bzero(&wc, sizeof wc);
808 wc.border_width = 1;
809 win->g.x = wc.x = gg.x;
810 win->g.y = wc.y = gg.y;
811 win->g.w = wc.width = gg.w;
812 win->g.h = wc.height = gg.h;
813 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
814 XConfigureWindow(display, win->id, mask, &wc);
815 }
816
817 if (win == ws[current_ws].focus)
818 winfocus = win;
819 else
820 unfocus_win(win);
821 XMapRaised(display, win->id);
822 i++;
823 }
824
825 focus_win(winfocus); /* this has to be done outside of the loop */
826 }
827
828 int horizontal_msize[SWM_WS_MAX];
829
830 void
831 horizontal_init(int ws_idx)
832 {
833 DNPRINTF(SWM_D_MISC, "horizontal_init: workspace: %d\n", current_ws);
834
835 horizontal_msize[ws_idx] = ws[ws_idx].g.h / 2;
836 }
837
838 void
839 horizontal_resize(int id)
840 {
841 DNPRINTF(SWM_D_MISC, "horizontal_resize: workspace: %d\n", current_ws);
842
843 switch (id) {
844 case SWM_ARG_ID_MASTERSHRINK:
845 horizontal_msize[current_ws] -= ws[current_ws].g.h / 32;
846 if ( horizontal_msize[current_ws] < ws[current_ws].g.h / 16)
847 horizontal_msize[current_ws] = ws[current_ws].g.h / 16;
848 break;
849 case SWM_ARG_ID_MASTERGROW:
850 horizontal_msize[current_ws] += ws[current_ws].g.h / 32;
851 if ( horizontal_msize[current_ws] >
852 (ws[current_ws].g.h - (ws[current_ws].g.h / 16)))
853 horizontal_msize[current_ws] =
854 ws[current_ws].g.h - ws[current_ws].g.h / 16;
855 break;
856 default:
857 return;
858 }
859 stack();
860 }
861
862 void
863 horizontal_stack(struct swm_geometry *g) {
864 XWindowChanges wc;
865 struct swm_geometry gg = *g;
866 struct ws_win wf, *win, *winfocus = &wf;
867 int i, hrw, winno;
868 unsigned int mask;
869
870 DNPRINTF(SWM_D_EVENT, "horizontal_stack: workspace: %d\n", current_ws);
871
872 winno = count_win(current_ws, 0);
873 if (winno == 0)
874 return;
875 winfocus->id = root;
876
877 if (winno > 1)
878 gg.h = horizontal_msize[current_ws];
879
880 if (winno > 2)
881 hrw = g->w / (winno - 1);
882 else
883 hrw = 0;
884
885 i = 0;
886 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
887 if (i == 1) {
888 gg.y += horizontal_msize[current_ws] + 2;
889 gg.h = g->h - (horizontal_msize[current_ws] + 2);
890 }
891 if (i != 0 && hrw != 0) {
892 /* correct the last window for lost pixels */
893 if (win == TAILQ_LAST(&ws[current_ws].winlist,
894 ws_win_list)) {
895 gg.w = hrw + (g->w - (i * hrw));
896 gg.x += hrw;
897 } else {
898 gg.w = hrw - 2;
899 /* leave first bottom window at x = 0 */
900 if (i > 1)
901 gg.x += gg.w + 2;
902 }
903 }
904
905 if (win->transient != 0 || win->floating != 0)
906 stack_floater(win);
907 else {
908 bzero(&wc, sizeof wc);
909 wc.border_width = 1;
910 win->g.x = wc.x = gg.x;
911 win->g.y = wc.y = gg.y;
912 win->g.w = wc.width = gg.w;
913 win->g.h = wc.height = gg.h;
914 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
915 XConfigureWindow(display, win->id, mask, &wc);
916 }
917
918 if (win == ws[current_ws].focus)
919 winfocus = win;
920 else
921 unfocus_win(win);
922 XMapRaised(display, win->id);
923 i++;
924 }
925
926 focus_win(winfocus); /* this has to be done outside of the loop */
927 }
928
929 void
930 max_focus(struct ws_win *fwin)
931 {
932 struct ws_win *win;
933
934 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
935 if (win->transient == 0 && win->floating == 0 && win == fwin)
936 XMapRaised(display, win->id);
937 else
938 XUnmapWindow(display, win->id);
939 }
940 }
941
942 /* fullscreen view */
943 void
944 max_stack(struct swm_geometry *g) {
945 XWindowChanges wc;
946 struct swm_geometry gg = *g;
947 struct ws_win *win, *winfocus;
948 unsigned int mask;
949
950 DNPRINTF(SWM_D_EVENT, "max_stack: workspace: %d\n", current_ws);
951
952 if (count_win(current_ws, 0) == 0)
953 return;
954
955 winfocus = ws[current_ws].focus;
956 if (!winfocus)
957 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
958
959 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
960 if (win->transient != 0 || win->floating != 0) {
961 if (win == winfocus)
962 stack_floater(win); /* XXX maximize? */
963 else
964 XUnmapWindow(display, win->id);
965 } else {
966 bzero(&wc, sizeof wc);
967 wc.border_width = 1;
968 win->g.x = wc.x = gg.x;
969 win->g.y = wc.y = gg.y;
970 win->g.w = wc.width = gg.w;
971 win->g.h = wc.height = gg.h;
972 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
973 XConfigureWindow(display, win->id, mask, &wc);
974
975 if (winfocus == win)
976 XMapRaised(display, win->id);
977 else
978 XUnmapWindow(display, win->id);
979 }
980 }
981
982 focus_win(winfocus); /* this has to be done outside of the loop */
983 }
984
985 void
986 send_to_ws(union arg *args)
987 {
988 int wsid = args->id;
989 struct ws_win *win = ws[current_ws].focus;
990
991 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
992
993 XUnmapWindow(display, win->id);
994
995 /* find a window to focus */
996 ws[current_ws].focus = TAILQ_PREV(win, ws_win_list, entry);
997 if (ws[current_ws].focus == NULL)
998 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
999 if (ws[current_ws].focus == win)
1000 ws[current_ws].focus = NULL;
1001
1002 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
1003
1004 TAILQ_INSERT_TAIL(&ws[wsid].winlist, win, entry);
1005 if (count_win(wsid, 1) == 1)
1006 ws[wsid].focus = win;
1007 ws[wsid].restack = 1;
1008
1009 stack();
1010 }
1011
1012 /* key definitions */
1013 struct key {
1014 unsigned int mod;
1015 KeySym keysym;
1016 void (*func)(union arg *);
1017 union arg args;
1018 } keys[] = {
1019 /* modifier key function argument */
1020 { MODKEY, XK_space, cycle_layout, {0} },
1021 { MODKEY | ShiftMask, XK_space, stack_reset, {0} },
1022 { MODKEY, XK_h, resize_master, {.id = SWM_ARG_ID_MASTERSHRINK} },
1023 { MODKEY, XK_l, resize_master, {.id = SWM_ARG_ID_MASTERGROW} },
1024 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1025 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1026 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1027 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1028 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1029 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
1030 { MODKEY, XK_p, spawn, {.argv = spawn_menu} },
1031 { MODKEY | ShiftMask, XK_q, quit, {0} },
1032 { MODKEY, XK_q, restart, {0} },
1033 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1034 { MODKEY, XK_1, switchws, {.id = 0} },
1035 { MODKEY, XK_2, switchws, {.id = 1} },
1036 { MODKEY, XK_3, switchws, {.id = 2} },
1037 { MODKEY, XK_4, switchws, {.id = 3} },
1038 { MODKEY, XK_5, switchws, {.id = 4} },
1039 { MODKEY, XK_6, switchws, {.id = 5} },
1040 { MODKEY, XK_7, switchws, {.id = 6} },
1041 { MODKEY, XK_8, switchws, {.id = 7} },
1042 { MODKEY, XK_9, switchws, {.id = 8} },
1043 { MODKEY, XK_0, switchws, {.id = 9} },
1044 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1045 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1046 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1047 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1048 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1049 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1050 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1051 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1052 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1053 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1054 { MODKEY, XK_b, bar_toggle, {0} },
1055 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1056 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1057 };
1058
1059 void
1060 updatenumlockmask(void)
1061 {
1062 unsigned int i, j;
1063 XModifierKeymap *modmap;
1064
1065 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
1066 numlockmask = 0;
1067 modmap = XGetModifierMapping(display);
1068 for (i = 0; i < 8; i++)
1069 for (j = 0; j < modmap->max_keypermod; j++)
1070 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1071 == XKeysymToKeycode(display, XK_Num_Lock))
1072 numlockmask = (1 << i);
1073
1074 XFreeModifiermap(modmap);
1075 }
1076
1077 void
1078 grabkeys(void)
1079 {
1080 unsigned int i, j;
1081 KeyCode code;
1082 unsigned int modifiers[] =
1083 { 0, LockMask, numlockmask, numlockmask | LockMask };
1084
1085 DNPRINTF(SWM_D_MISC, "grabkeys\n");
1086 updatenumlockmask();
1087
1088 XUngrabKey(display, AnyKey, AnyModifier, root);
1089 for(i = 0; i < LENGTH(keys); i++) {
1090 if((code = XKeysymToKeycode(display, keys[i].keysym)))
1091 for(j = 0; j < LENGTH(modifiers); j++)
1092 XGrabKey(display, code,
1093 keys[i].mod | modifiers[j], root,
1094 True, GrabModeAsync, GrabModeAsync);
1095 }
1096 }
1097 void
1098 expose(XEvent *e)
1099 {
1100 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
1101 }
1102
1103 void
1104 keypress(XEvent *e)
1105 {
1106 unsigned int i;
1107 KeySym keysym;
1108 XKeyEvent *ev = &e->xkey;
1109
1110 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
1111
1112 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
1113 for(i = 0; i < LENGTH(keys); i++)
1114 if(keysym == keys[i].keysym
1115 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1116 && keys[i].func)
1117 keys[i].func(&(keys[i].args));
1118 }
1119
1120 void
1121 buttonpress(XEvent *e)
1122 {
1123 XButtonPressedEvent *ev = &e->xbutton;
1124 #ifdef SWM_CLICKTOFOCUS
1125 struct ws_win *win;
1126 #endif
1127
1128
1129 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
1130
1131 if (ev->window == root)
1132 return;
1133 if (ev->window == ws[current_ws].focus->id)
1134 return;
1135 #ifdef SWM_CLICKTOFOCUS
1136 TAILQ_FOREACH(win, &ws[current_ws].winlist, entry)
1137 if (win->id == ev->window) {
1138 /* focus in the clicked window */
1139 XSetWindowBorder(display, ev->window, 0xff0000);
1140 XSetWindowBorder(display,
1141 ws[current_ws].focus->id, 0x888888);
1142 XSetInputFocus(display, ev->window, RevertToPointerRoot,
1143 CurrentTime);
1144 ws[current_ws].focus = win;
1145 XSync(display, False);
1146 break;
1147 }
1148 #endif
1149 }
1150
1151 struct ws_win *
1152 manage_window(Window id)
1153 {
1154 Window trans;
1155 struct ws_win *win;
1156 XClassHint ch;
1157
1158 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1159 if (win->id == id)
1160 return (win); /* already being managed */
1161 }
1162
1163 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
1164 errx(1, "calloc: failed to allocate memory for new window");
1165
1166 win->id = id;
1167 TAILQ_INSERT_TAIL(&ws[current_ws].winlist, win, entry);
1168 ws[current_ws].focus = win; /* make new win focused */
1169
1170 XGetTransientForHint(display, win->id, &trans);
1171 if (trans) {
1172 win->transient = trans;
1173 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
1174 (unsigned)win->id, win->transient);
1175 }
1176 XGetWindowAttributes(display, win->id, &win->wa);
1177 XGetNormalHints(display, win->id, &win->sh);
1178
1179 /* XXX */
1180 bzero(&ch, sizeof ch);
1181 if(XGetClassHint(display, win->id, &ch)) {
1182 /*fprintf(stderr, "class: %s name: %s\n", ch.res_class, ch.res_name); */
1183 if (!strcmp(ch.res_class, "MPlayer") && !strcmp(ch.res_name, "xv")) {
1184 win->floating = 1;
1185 }
1186 if(ch.res_class)
1187 XFree(ch.res_class);
1188 if(ch.res_name)
1189 XFree(ch.res_name);
1190 }
1191
1192 XSelectInput(display, id, ButtonPressMask | EnterWindowMask |
1193 FocusChangeMask | ExposureMask);
1194
1195 return (win);
1196 }
1197
1198 void
1199 configurerequest(XEvent *e)
1200 {
1201 XConfigureRequestEvent *ev = &e->xconfigurerequest;
1202 struct ws_win *win;
1203 int new = 1;
1204 XWindowChanges wc;
1205
1206 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1207 if (win->id == ev->window) {
1208 new = 0;
1209 break;
1210 }
1211 }
1212
1213 if (new) {
1214 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
1215 ev->window);
1216 bzero(&wc, sizeof wc);
1217 wc.x = ev->x;
1218 wc.y = ev->y;
1219 wc.width = ev->width;
1220 wc.height = ev->height;
1221 wc.border_width = ev->border_width;
1222 wc.sibling = ev->above;
1223 wc.stack_mode = ev->detail;
1224 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
1225 } else {
1226 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
1227 ev->window);
1228 config_win(win);
1229 }
1230 }
1231
1232 void
1233 configurenotify(XEvent *e)
1234 {
1235 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
1236 e->xconfigure.window);
1237 }
1238
1239 void
1240 destroynotify(XEvent *e)
1241 {
1242 struct ws_win *win;
1243 XDestroyWindowEvent *ev = &e->xdestroywindow;
1244
1245 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
1246
1247 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1248 if (ev->window == win->id) {
1249 /* find a window to focus */
1250 ws[current_ws].focus = TAILQ_PREV(win,
1251 ws_win_list, entry);
1252 if (ws[current_ws].focus == NULL)
1253 ws[current_ws].focus =
1254 TAILQ_FIRST(&ws[current_ws].winlist);
1255 if (win == ws[current_ws].focus)
1256 ws[current_ws].focus = NULL;
1257
1258 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
1259 free(win);
1260 break;
1261 }
1262 }
1263
1264 stack();
1265 }
1266
1267 void
1268 enternotify(XEvent *e)
1269 {
1270 XCrossingEvent *ev = &e->xcrossing;
1271 struct ws_win *win;
1272
1273 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
1274
1275 if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
1276 ev->window != root)
1277 return;
1278 if (ignore_enter) {
1279 /* eat event(s) to prevent autofocus */
1280 ignore_enter--;
1281 return;
1282 }
1283 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1284 if (win->id == ev->window)
1285 focus_win(win);
1286 else
1287 unfocus_win(win);
1288 }
1289 }
1290
1291 void
1292 focusin(XEvent *e)
1293 {
1294 XFocusChangeEvent *ev = &e->xfocus;
1295
1296 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", ev->window);
1297
1298 if (ev->window == root)
1299 return;
1300 /*
1301 * kill grab for now so that we can cut and paste , this screws up
1302 * click to focus
1303 */
1304 /*
1305 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
1306 XGrabButton(display, Button1, AnyModifier, ev->window, False,
1307 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
1308 */
1309 }
1310
1311 void
1312 mappingnotify(XEvent *e)
1313 {
1314 XMappingEvent *ev = &e->xmapping;
1315
1316 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
1317
1318 XRefreshKeyboardMapping(ev);
1319 if(ev->request == MappingKeyboard)
1320 grabkeys();
1321 }
1322
1323 void
1324 maprequest(XEvent *e)
1325 {
1326 XMapRequestEvent *ev = &e->xmaprequest;
1327 XWindowAttributes wa;
1328
1329 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
1330 e->xmaprequest.window);
1331
1332 if(!XGetWindowAttributes(display, ev->window, &wa))
1333 return;
1334 if(wa.override_redirect)
1335 return;
1336 manage_window(e->xmaprequest.window);
1337 stack();
1338 }
1339
1340 void
1341 propertynotify(XEvent *e)
1342 {
1343 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
1344 e->xproperty.window);
1345 }
1346
1347 void
1348 unmapnotify(XEvent *e)
1349 {
1350 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
1351 }
1352
1353 void
1354 visibilitynotify(XEvent *e)
1355 {
1356 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n", e->xvisibility.window);
1357
1358 if (e->xvisibility.window == bar_window &&
1359 e->xvisibility.state == VisibilityUnobscured)
1360 bar_print();
1361 }
1362
1363 void (*handler[LASTEvent])(XEvent *) = {
1364 [Expose] = expose,
1365 [KeyPress] = keypress,
1366 [ButtonPress] = buttonpress,
1367 [ConfigureRequest] = configurerequest,
1368 [ConfigureNotify] = configurenotify,
1369 [DestroyNotify] = destroynotify,
1370 [EnterNotify] = enternotify,
1371 [FocusIn] = focusin,
1372 [MappingNotify] = mappingnotify,
1373 [MapRequest] = maprequest,
1374 [PropertyNotify] = propertynotify,
1375 [UnmapNotify] = unmapnotify,
1376 [VisibilityNotify] = visibilitynotify,
1377 };
1378
1379 int
1380 xerror_start(Display *d, XErrorEvent *ee)
1381 {
1382 other_wm = 1;
1383 return (-1);
1384 }
1385
1386 int
1387 xerror(Display *d, XErrorEvent *ee)
1388 {
1389 fprintf(stderr, "error: %p %p\n", display, ee);
1390
1391 return (-1);
1392 }
1393
1394 int
1395 active_wm(void)
1396 {
1397 other_wm = 0;
1398 xerrorxlib = XSetErrorHandler(xerror_start);
1399
1400 /* this causes an error if some other window manager is running */
1401 XSelectInput(display, DefaultRootWindow(display),
1402 SubstructureRedirectMask);
1403 XSync(display, False);
1404 if(other_wm)
1405 return (1);
1406
1407 XSetErrorHandler(xerror);
1408 XSync(display, False);
1409 return (0);
1410 }
1411
1412 int
1413 main(int argc, char *argv[])
1414 {
1415 struct passwd *pwd;
1416 char conf[PATH_MAX], *cfile = NULL;
1417 struct stat sb;
1418 XEvent e;
1419 unsigned int i, j, num;
1420 Window d1, d2, *wins = NULL;
1421 XWindowAttributes wa;
1422
1423 start_argv = argv;
1424 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
1425 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
1426 warnx("no locale support");
1427
1428 if(!(display = XOpenDisplay(0)))
1429 errx(1, "can not open display");
1430
1431 if (active_wm())
1432 errx(1, "other wm running");
1433
1434 screen = DefaultScreen(display);
1435 root = RootWindow(display, screen);
1436
1437 /* look for local and global conf file */
1438 pwd = getpwuid(getuid());
1439 if (pwd == NULL)
1440 errx(1, "invalid user %d", getuid());
1441
1442 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
1443 if (stat(conf, &sb) != -1) {
1444 if (S_ISREG(sb.st_mode))
1445 cfile = conf;
1446 } else {
1447 /* try global conf file */
1448 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
1449 if (!stat(conf, &sb))
1450 if (S_ISREG(sb.st_mode))
1451 cfile = conf;
1452 }
1453 if (cfile)
1454 conf_load(cfile);
1455
1456 /* init all workspaces */
1457 for (i = 0; i < SWM_WS_MAX; i++) {
1458 ws[i].visible = 0;
1459 ws[i].restack = 1;
1460 ws[i].focus = NULL;
1461 ws[i].g.x = 0;
1462 ws[i].g.y = 0;
1463 ws[i].g.w = DisplayWidth(display, screen) - 2;
1464 ws[i].g.h = DisplayHeight(display, screen) - 2;
1465 TAILQ_INIT(&ws[i].winlist);
1466
1467 for (j = 0; layouts[j].l_stack != NULL; j++) {
1468 if (layouts[j].l_init != NULL)
1469 layouts[j].l_init(i);
1470 }
1471 ws[i].cur_layout = &layouts[0];
1472 }
1473 /* make work space 1 active */
1474 ws[0].visible = 1;
1475
1476 /* grab existing windows */
1477 if (XQueryTree(display, root, &d1, &d2, &wins, &num)) {
1478 for (i = 0; i < num; i++) {
1479 if (!XGetWindowAttributes(display, wins[i], &wa)
1480 || wa.override_redirect
1481 || wa.map_state != IsViewable)
1482 continue;
1483 manage_window(wins[i]);
1484 }
1485 if(wins)
1486 XFree(wins);
1487 }
1488 ws[0].focus = TAILQ_FIRST(&ws[0].winlist);
1489
1490 /* setup status bar */
1491 bar_setup();
1492
1493 XSelectInput(display, root, SubstructureRedirectMask |
1494 SubstructureNotifyMask | ButtonPressMask | KeyPressMask |
1495 EnterWindowMask | LeaveWindowMask | StructureNotifyMask |
1496 FocusChangeMask | PropertyChangeMask | ExposureMask);
1497
1498 grabkeys();
1499 stack();
1500
1501 while (running) {
1502 XNextEvent(display, &e);
1503 if (handler[e.type])
1504 handler[e.type](&e);
1505 }
1506
1507 XCloseDisplay(display);
1508
1509 return (0);
1510 }
spectrwm is a small dynamic tiling and reparenting window manager for X11