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When switching stacking keep focus on current win; from joris with tweaks.
[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 int (*xerrorxlib)(Display *, XErrorEvent *);
104 int other_wm;
105 int screen;
106 int running = 1;
107 int ignore_enter = 0;
108 unsigned int numlockmask = 0;
109 unsigned long color_focus = 0xff0000; /* XXX should this be per ws? */
110 unsigned long color_unfocus = 0x888888;
111 Display *display;
112 Window root;
113
114 /* status bar */
115 int bar_enabled = 1;
116 int bar_height = 0;
117 unsigned long bar_border = 0x008080;
118 unsigned long bar_color = 0x000000;
119 unsigned long bar_font_color = 0xa0a0a0;
120 Window bar_window;
121 GC bar_gc;
122 XGCValues bar_gcv;
123 XFontStruct *bar_fs;
124 char bar_text[128];
125 char *bar_fonts[] = {
126 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
127 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
128 NULL
129 };
130
131 /* terminal + args */
132 char *spawn_term[] = { "xterm", NULL };
133 char *spawn_menu[] = { "dmenu_run", NULL };
134 char *spawn_scrotwm[] = { "scrotwm", 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
419 void
420 restart(union arg *args)
421 {
422 XCloseDisplay(display);
423 execvp(args->argv[0], args->argv);
424 fprintf(stderr, "execvp failed\n");
425 perror(" failed");
426 quit(NULL);
427 }
428
429 void
430 spawn(union arg *args)
431 {
432 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
433 /*
434 * The double-fork construct avoids zombie processes and keeps the code
435 * clean from stupid signal handlers.
436 */
437 if(fork() == 0) {
438 if(fork() == 0) {
439 if(display)
440 close(ConnectionNumber(display));
441 setsid();
442 execvp(args->argv[0], args->argv);
443 fprintf(stderr, "execvp failed\n");
444 perror(" failed");
445 }
446 exit(0);
447 }
448 wait(0);
449 }
450
451 void
452 focus_win(struct ws_win *win)
453 {
454 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win->id);
455 XSetWindowBorder(display, win->id, color_focus);
456 XSetInputFocus(display, win->id, RevertToPointerRoot, CurrentTime);
457 ws[current_ws].focus = win;
458 }
459
460 void
461 unfocus_win(struct ws_win *win)
462 {
463 DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", win->id);
464 XSetWindowBorder(display, win->id, color_unfocus);
465 if (ws[current_ws].focus == win)
466 ws[current_ws].focus = NULL;
467 }
468
469 void
470 switchws(union arg *args)
471 {
472 int wsid = args->id;
473 struct ws_win *win;
474
475 DNPRINTF(SWM_D_WS, "switchws: %d\n", wsid + 1);
476
477 if (wsid == current_ws)
478 return;
479
480 /* map new window first to prevent ugly blinking */
481 TAILQ_FOREACH (win, &ws[wsid].winlist, entry)
482 XMapRaised(display, win->id);
483 ws[wsid].visible = 1;
484
485 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry)
486 XUnmapWindow(display, win->id);
487 ws[current_ws].visible = 0;
488
489 current_ws = wsid;
490
491 ignore_enter = 1;
492 if (ws[wsid].restack) {
493 stack();
494 bar_print();
495 } else {
496 if (ws[wsid].focus != NULL)
497 focus_win(ws[wsid].focus);
498 XSync(display, False);
499 }
500 }
501
502 void
503 swapwin(union arg *args)
504 {
505 struct ws_win *target;
506
507 DNPRINTF(SWM_D_MOVE, "swapwin: id %d\n", args->id);
508 if (ws[current_ws].focus == NULL)
509 return;
510
511 switch (args->id) {
512 case SWM_ARG_ID_SWAPPREV:
513 target = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
514 TAILQ_REMOVE(&ws[current_ws].winlist,
515 ws[current_ws].focus, entry);
516 if (target == NULL)
517 TAILQ_INSERT_TAIL(&ws[current_ws].winlist,
518 ws[current_ws].focus, entry);
519 else
520 TAILQ_INSERT_BEFORE(target, ws[current_ws].focus,
521 entry);
522 break;
523 case SWM_ARG_ID_SWAPNEXT:
524 target = TAILQ_NEXT(ws[current_ws].focus, entry);
525 TAILQ_REMOVE(&ws[current_ws].winlist,
526 ws[current_ws].focus, entry);
527 if (target == NULL)
528 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
529 ws[current_ws].focus, entry);
530 else
531 TAILQ_INSERT_AFTER(&ws[current_ws].winlist, target,
532 ws[current_ws].focus, entry);
533 break;
534 case SWM_ARG_ID_SWAPMAIN:
535 target = TAILQ_FIRST(&ws[current_ws].winlist);
536 if (target == ws[current_ws].focus)
537 return;
538 TAILQ_REMOVE(&ws[current_ws].winlist, target, entry);
539 TAILQ_INSERT_BEFORE(ws[current_ws].focus, target, entry);
540 TAILQ_REMOVE(&ws[current_ws].winlist,
541 ws[current_ws].focus, entry);
542 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
543 ws[current_ws].focus, entry);
544 break;
545 default:
546 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
547 return;
548 }
549
550 ignore_enter = 2;
551 stack();
552 }
553
554 void
555 focus(union arg *args)
556 {
557 struct ws_win *winfocus, *winlostfocus;
558
559 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
560 if (ws[current_ws].focus == NULL)
561 return;
562
563 winlostfocus = ws[current_ws].focus;
564
565 switch (args->id) {
566 case SWM_ARG_ID_FOCUSPREV:
567 winfocus = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
568 if (winfocus == NULL)
569 winfocus =
570 TAILQ_LAST(&ws[current_ws].winlist, ws_win_list);
571 break;
572
573 case SWM_ARG_ID_FOCUSNEXT:
574 winfocus = TAILQ_NEXT(ws[current_ws].focus, entry);
575 if (winfocus == NULL)
576 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
577 break;
578
579 case SWM_ARG_ID_FOCUSMAIN:
580 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
581 break;
582
583 default:
584 return;
585 }
586
587 if (winfocus == winlostfocus)
588 return;
589
590 unfocus_win(winlostfocus);
591 focus_win(winfocus);
592 /* XXX if we hook in focus_win(), we get a nasty cycle */
593 if (ws[current_ws].cur_layout->l_focus != NULL)
594 ws[current_ws].cur_layout->l_focus(winfocus);
595 XSync(display, False);
596 }
597
598 void
599 cycle_layout(union arg *args)
600 {
601 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", current_ws);
602
603 ws[current_ws].cur_layout++;
604 if (ws[current_ws].cur_layout->l_stack == NULL)
605 ws[current_ws].cur_layout = &layouts[0];
606
607 stack();
608 }
609
610 void
611 resize_master(union arg *args)
612 {
613 DNPRINTF(SWM_D_EVENT, "resize_master: id %d\n", args->id);
614
615 if (ws[current_ws].cur_layout->l_resize != NULL)
616 ws[current_ws].cur_layout->l_resize(args->id);
617 }
618
619 void
620 stack_reset(union arg *args)
621 {
622 DNPRINTF(SWM_D_EVENT, "stack_reset: ws %d\n", current_ws);
623
624 if (ws[current_ws].cur_layout->l_init != NULL) {
625 ws[current_ws].cur_layout->l_init(current_ws);
626 stack();
627 }
628 }
629
630 void
631 stack(void) {
632 struct swm_geometry g;
633 DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
634
635 /* start with workspace geometry, adjust for bar */
636 g = ws[current_ws].g;
637 if (bar_enabled) {
638 g.y += bar_height;
639 g.h -= bar_height;
640 }
641
642 ws[current_ws].restack = 0;
643 ws[current_ws].cur_layout->l_stack(&g);
644 XSync(display, False);
645 }
646
647 void
648 stack_floater(struct ws_win *win)
649 {
650 unsigned int mask;
651 XWindowChanges wc;
652
653 #if 0
654 bzero(&wc, sizeof wc);
655 wc.border_width = 1;
656 mask = CWX | CWY | CWBorderWidth;
657
658 win->g.w = wc.width = win->wa.width;
659 win->g.h = wc.height = win->wa.height;
660 win->g.x = wc.x = (ws[current_ws].g.w - win->wa.width) / 2;
661 win->g.y = wc.y = (ws[current_ws].g.h - win->wa.height) / 2;
662
663 DNPRINTF(SWM_D_EVENT, "stack_floater: win %d x %d y %d w %d h %d\n",
664 win, wc.x, wc.y, wc.width, wc.height);
665
666 XConfigureWindow(display, win->id, mask, &wc);
667 return;
668 #endif
669 bzero(&wc, sizeof wc);
670 wc.border_width = 1;
671 mask = CWX | CWY | CWBorderWidth;
672
673 /* use obsolete width height */
674 if (win->sh.flags & USPosition) {
675 win->g.w = wc.width = win->sh.width;
676 win->g.h = wc.height = win->sh.height;
677 mask |= CWWidth | CWHeight;
678 }
679
680 /* try min max */
681 if (win->sh.flags & PMinSize) {
682 /* some hints are retarded */
683 if (win->sh.min_width < ws[current_ws].g.w / 10)
684 win->sh.min_width = ws[current_ws].g.w / 3;
685 if (win->sh.min_height < ws[current_ws].g.h / 10)
686 win->sh.height = ws[current_ws].g.h / 3;
687
688 win->g.w = wc.width = win->sh.min_width * 2;
689 win->g.h = wc.height = win->sh.min_height * 2;
690 mask |= CWWidth | CWHeight;
691 }
692 if (win->sh.flags & PMaxSize) {
693 /* potentially override min values */
694 if (win->sh.max_width < ws[current_ws].g.w) {
695 win->g.w = wc.width = win->sh.max_width;
696 mask |= CWWidth;
697 }
698 if (win->sh.max_height < ws[current_ws].g.h) {
699 win->g.h = wc.height = win->sh.max_height;
700 mask |= CWHeight;
701 }
702 }
703
704 /* make sure we don't clobber the screen */
705 if ((mask & CWWidth) && win->wa.width > ws[current_ws].g.w)
706 win->wa.width = ws[current_ws].g.w - 4;
707 if ((mask & CWHeight) && win->wa.height > ws[current_ws].g.h)
708 win->wa.height = ws[current_ws].g.h - 4;
709
710 /* supposed to be obsolete */
711 if (win->sh.flags & USPosition) {
712 win->g.x = wc.x = win->sh.x;
713 win->g.y = wc.y = win->sh.y;
714 } else {
715 win->g.x = wc.x = (ws[current_ws].g.w - win->wa.width) / 2;
716 win->g.y = wc.y = (ws[current_ws].g.h - win->wa.height) / 2;
717 }
718 DNPRINTF(SWM_D_EVENT, "stack_floater: win %d x %d y %d w %d h %d\n",
719 win, wc.x, wc.y, wc.width, wc.height);
720
721 XConfigureWindow(display, win->id, mask, &wc);
722 }
723
724
725 int vertical_msize[SWM_WS_MAX];
726
727 void
728 vertical_init(int ws_idx)
729 {
730 DNPRINTF(SWM_D_MISC, "vertical_init: workspace: %d\n", current_ws);
731
732 vertical_msize[ws_idx] = ws[ws_idx].g.w / 2;
733 }
734
735 void
736 vertical_resize(int id)
737 {
738 DNPRINTF(SWM_D_MISC, "vertical_resize: workspace: %d\n", current_ws);
739
740 switch (id) {
741 case SWM_ARG_ID_MASTERSHRINK:
742 vertical_msize[current_ws] -= ws[current_ws].g.w / 32;
743 if ( vertical_msize[current_ws] < ws[current_ws].g.w / 16)
744 vertical_msize[current_ws] = ws[current_ws].g.w / 16;
745 break;
746 case SWM_ARG_ID_MASTERGROW:
747 vertical_msize[current_ws] += ws[current_ws].g.w / 32;
748 if ( vertical_msize[current_ws] >
749 (ws[current_ws].g.w - (ws[current_ws].g.w / 16)))
750 vertical_msize[current_ws] =
751 ws[current_ws].g.w - ws[current_ws].g.w / 16;
752 break;
753 default:
754 return;
755 }
756 stack();
757 }
758
759 void
760 vertical_stack(struct swm_geometry *g) {
761 XWindowChanges wc;
762 struct swm_geometry gg = *g;
763 struct ws_win wf, *win, *winfocus = &wf;
764 int i, hrh, winno;
765 unsigned int mask;
766
767 DNPRINTF(SWM_D_EVENT, "vertical_stack: workspace: %d\n", current_ws);
768
769 winno = count_win(current_ws, 0);
770 if (winno == 0)
771 return;
772 winfocus->id = root;
773
774 if (winno > 1)
775 gg.w = vertical_msize[current_ws];
776
777 if (winno > 2)
778 hrh = g->h / (winno - 1);
779 else
780 hrh = 0;
781
782 i = 0;
783 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
784 if (i == 1) {
785 gg.x += vertical_msize[current_ws] + 2;
786 gg.w = g->w - (vertical_msize[current_ws] + 2);
787 }
788 if (i != 0 && hrh != 0) {
789 /* correct the last window for lost pixels */
790 if (win == TAILQ_LAST(&ws[current_ws].winlist,
791 ws_win_list)) {
792 gg.h = hrh + (g->h - (i * hrh));
793 gg.y += hrh;
794 } else {
795 gg.h = hrh - 2;
796 /* leave first right hand window at y = 0 */
797 if (i > 1)
798 gg.y += gg.h + 2;
799 }
800 }
801
802 if (win->transient != 0 || win->floating != 0)
803 stack_floater(win);
804 else {
805 bzero(&wc, sizeof wc);
806 wc.border_width = 1;
807 win->g.x = wc.x = gg.x;
808 win->g.y = wc.y = gg.y;
809 win->g.w = wc.width = gg.w;
810 win->g.h = wc.height = gg.h;
811 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
812 XConfigureWindow(display, win->id, mask, &wc);
813 }
814
815 if (win == ws[current_ws].focus)
816 winfocus = win;
817 else
818 unfocus_win(win);
819 XMapRaised(display, win->id);
820 i++;
821 }
822
823 focus_win(winfocus); /* this has to be done outside of the loop */
824 }
825
826 int horizontal_msize[SWM_WS_MAX];
827
828 void
829 horizontal_init(int ws_idx)
830 {
831 DNPRINTF(SWM_D_MISC, "horizontal_init: workspace: %d\n", current_ws);
832
833 horizontal_msize[ws_idx] = ws[ws_idx].g.h / 2;
834 }
835
836 void
837 horizontal_resize(int id)
838 {
839 DNPRINTF(SWM_D_MISC, "horizontal_resize: workspace: %d\n", current_ws);
840
841 switch (id) {
842 case SWM_ARG_ID_MASTERSHRINK:
843 horizontal_msize[current_ws] -= ws[current_ws].g.h / 32;
844 if ( horizontal_msize[current_ws] < ws[current_ws].g.h / 16)
845 horizontal_msize[current_ws] = ws[current_ws].g.h / 16;
846 break;
847 case SWM_ARG_ID_MASTERGROW:
848 horizontal_msize[current_ws] += ws[current_ws].g.h / 32;
849 if ( horizontal_msize[current_ws] >
850 (ws[current_ws].g.h - (ws[current_ws].g.h / 16)))
851 horizontal_msize[current_ws] =
852 ws[current_ws].g.h - ws[current_ws].g.h / 16;
853 break;
854 default:
855 return;
856 }
857 stack();
858 }
859
860 void
861 horizontal_stack(struct swm_geometry *g) {
862 XWindowChanges wc;
863 struct swm_geometry gg = *g;
864 struct ws_win wf, *win, *winfocus = &wf;
865 int i, hrw, winno;
866 unsigned int mask;
867
868 DNPRINTF(SWM_D_EVENT, "horizontal_stack: workspace: %d\n", current_ws);
869
870 winno = count_win(current_ws, 0);
871 if (winno == 0)
872 return;
873 winfocus->id = root;
874
875 if (winno > 1)
876 gg.h = horizontal_msize[current_ws];
877
878 if (winno > 2)
879 hrw = g->w / (winno - 1);
880 else
881 hrw = 0;
882
883 i = 0;
884 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
885 if (i == 1) {
886 gg.y += horizontal_msize[current_ws] + 2;
887 gg.h = g->h - (horizontal_msize[current_ws] + 2);
888 }
889 if (i != 0 && hrw != 0) {
890 /* correct the last window for lost pixels */
891 if (win == TAILQ_LAST(&ws[current_ws].winlist,
892 ws_win_list)) {
893 gg.w = hrw + (g->w - (i * hrw));
894 gg.x += hrw;
895 } else {
896 gg.w = hrw - 2;
897 /* leave first bottom window at x = 0 */
898 if (i > 1)
899 gg.x += gg.w + 2;
900 }
901 }
902
903 if (win->transient != 0 || win->floating != 0)
904 stack_floater(win);
905 else {
906 bzero(&wc, sizeof wc);
907 wc.border_width = 1;
908 win->g.x = wc.x = gg.x;
909 win->g.y = wc.y = gg.y;
910 win->g.w = wc.width = gg.w;
911 win->g.h = wc.height = gg.h;
912 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
913 XConfigureWindow(display, win->id, mask, &wc);
914 }
915
916 if (win == ws[current_ws].focus)
917 winfocus = win;
918 else
919 unfocus_win(win);
920 XMapRaised(display, win->id);
921 i++;
922 }
923
924 focus_win(winfocus); /* this has to be done outside of the loop */
925 }
926
927 void
928 max_focus(struct ws_win *fwin)
929 {
930 struct ws_win *win;
931
932 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
933 if (win->transient == 0 && win->floating == 0 && win == fwin)
934 XMapRaised(display, win->id);
935 else
936 XUnmapWindow(display, win->id);
937 }
938 }
939
940 /* fullscreen view */
941 void
942 max_stack(struct swm_geometry *g) {
943 XWindowChanges wc;
944 struct swm_geometry gg = *g;
945 struct ws_win *win, *winfocus;
946 unsigned int mask;
947
948 DNPRINTF(SWM_D_EVENT, "max_stack: workspace: %d\n", current_ws);
949
950 if (count_win(current_ws, 0) == 0)
951 return;
952
953 winfocus = ws[current_ws].focus;
954 if (!winfocus)
955 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
956
957 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
958 if (win->transient != 0 || win->floating != 0) {
959 if (win == winfocus)
960 stack_floater(win); /* XXX maximize? */
961 else
962 XUnmapWindow(display, win->id);
963 } else {
964 bzero(&wc, sizeof wc);
965 wc.border_width = 1;
966 win->g.x = wc.x = gg.x;
967 win->g.y = wc.y = gg.y;
968 win->g.w = wc.width = gg.w;
969 win->g.h = wc.height = gg.h;
970 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
971 XConfigureWindow(display, win->id, mask, &wc);
972
973 if (winfocus == win)
974 XMapRaised(display, win->id);
975 else
976 XUnmapWindow(display, win->id);
977 }
978 }
979
980 focus_win(winfocus); /* this has to be done outside of the loop */
981 }
982
983 void
984 send_to_ws(union arg *args)
985 {
986 int wsid = args->id;
987 struct ws_win *win = ws[current_ws].focus;
988
989 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
990
991 XUnmapWindow(display, win->id);
992
993 /* find a window to focus */
994 ws[current_ws].focus = TAILQ_PREV(win, ws_win_list, entry);
995 if (ws[current_ws].focus == NULL)
996 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
997 if (ws[current_ws].focus == win)
998 ws[current_ws].focus = NULL;
999
1000 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
1001
1002 TAILQ_INSERT_TAIL(&ws[wsid].winlist, win, entry);
1003 if (count_win(wsid, 1) == 1)
1004 ws[wsid].focus = win;
1005 ws[wsid].restack = 1;
1006
1007 stack();
1008 }
1009
1010 /* key definitions */
1011 struct key {
1012 unsigned int mod;
1013 KeySym keysym;
1014 void (*func)(union arg *);
1015 union arg args;
1016 } keys[] = {
1017 /* modifier key function argument */
1018 { MODKEY, XK_space, cycle_layout, {0} },
1019 { MODKEY | ShiftMask, XK_space, stack_reset, {0} },
1020 { MODKEY, XK_h, resize_master, {.id = SWM_ARG_ID_MASTERSHRINK} },
1021 { MODKEY, XK_l, resize_master, {.id = SWM_ARG_ID_MASTERGROW} },
1022 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1023 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1024 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1025 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1026 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1027 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
1028 { MODKEY, XK_p, spawn, {.argv = spawn_menu} },
1029 { MODKEY | ShiftMask, XK_q, quit, {0} },
1030 { MODKEY, XK_q, restart, {.argv = spawn_scrotwm } },
1031 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1032 { MODKEY, XK_1, switchws, {.id = 0} },
1033 { MODKEY, XK_2, switchws, {.id = 1} },
1034 { MODKEY, XK_3, switchws, {.id = 2} },
1035 { MODKEY, XK_4, switchws, {.id = 3} },
1036 { MODKEY, XK_5, switchws, {.id = 4} },
1037 { MODKEY, XK_6, switchws, {.id = 5} },
1038 { MODKEY, XK_7, switchws, {.id = 6} },
1039 { MODKEY, XK_8, switchws, {.id = 7} },
1040 { MODKEY, XK_9, switchws, {.id = 8} },
1041 { MODKEY, XK_0, switchws, {.id = 9} },
1042 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1043 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1044 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1045 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1046 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1047 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1048 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1049 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1050 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1051 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1052 { MODKEY, XK_b, bar_toggle, {0} },
1053 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1054 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1055 };
1056
1057 void
1058 updatenumlockmask(void)
1059 {
1060 unsigned int i, j;
1061 XModifierKeymap *modmap;
1062
1063 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
1064 numlockmask = 0;
1065 modmap = XGetModifierMapping(display);
1066 for (i = 0; i < 8; i++)
1067 for (j = 0; j < modmap->max_keypermod; j++)
1068 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1069 == XKeysymToKeycode(display, XK_Num_Lock))
1070 numlockmask = (1 << i);
1071
1072 XFreeModifiermap(modmap);
1073 }
1074
1075 void
1076 grabkeys(void)
1077 {
1078 unsigned int i, j;
1079 KeyCode code;
1080 unsigned int modifiers[] =
1081 { 0, LockMask, numlockmask, numlockmask | LockMask };
1082
1083 DNPRINTF(SWM_D_MISC, "grabkeys\n");
1084 updatenumlockmask();
1085
1086 XUngrabKey(display, AnyKey, AnyModifier, root);
1087 for(i = 0; i < LENGTH(keys); i++) {
1088 if((code = XKeysymToKeycode(display, keys[i].keysym)))
1089 for(j = 0; j < LENGTH(modifiers); j++)
1090 XGrabKey(display, code,
1091 keys[i].mod | modifiers[j], root,
1092 True, GrabModeAsync, GrabModeAsync);
1093 }
1094 }
1095 void
1096 expose(XEvent *e)
1097 {
1098 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
1099 }
1100
1101 void
1102 keypress(XEvent *e)
1103 {
1104 unsigned int i;
1105 KeySym keysym;
1106 XKeyEvent *ev = &e->xkey;
1107
1108 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
1109
1110 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
1111 for(i = 0; i < LENGTH(keys); i++)
1112 if(keysym == keys[i].keysym
1113 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1114 && keys[i].func)
1115 keys[i].func(&(keys[i].args));
1116 }
1117
1118 void
1119 buttonpress(XEvent *e)
1120 {
1121 XButtonPressedEvent *ev = &e->xbutton;
1122 #ifdef SWM_CLICKTOFOCUS
1123 struct ws_win *win;
1124 #endif
1125
1126
1127 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
1128
1129 if (ev->window == root)
1130 return;
1131 if (ev->window == ws[current_ws].focus->id)
1132 return;
1133 #ifdef SWM_CLICKTOFOCUS
1134 TAILQ_FOREACH(win, &ws[current_ws].winlist, entry)
1135 if (win->id == ev->window) {
1136 /* focus in the clicked window */
1137 XSetWindowBorder(display, ev->window, 0xff0000);
1138 XSetWindowBorder(display,
1139 ws[current_ws].focus->id, 0x888888);
1140 XSetInputFocus(display, ev->window, RevertToPointerRoot,
1141 CurrentTime);
1142 ws[current_ws].focus = win;
1143 XSync(display, False);
1144 break;
1145 }
1146 #endif
1147 }
1148
1149 struct ws_win *
1150 manage_window(Window id)
1151 {
1152 Window trans;
1153 struct ws_win *win;
1154 XClassHint ch;
1155
1156 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1157 if (win->id == id)
1158 return (win); /* already being managed */
1159 }
1160
1161 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
1162 errx(1, "calloc: failed to allocate memory for new window");
1163
1164 win->id = id;
1165 TAILQ_INSERT_TAIL(&ws[current_ws].winlist, win, entry);
1166 ws[current_ws].focus = win; /* make new win focused */
1167
1168 XGetTransientForHint(display, win->id, &trans);
1169 if (trans) {
1170 win->transient = trans;
1171 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
1172 (unsigned)win->id, win->transient);
1173 }
1174 XGetWindowAttributes(display, win->id, &win->wa);
1175 XGetNormalHints(display, win->id, &win->sh);
1176
1177 /* XXX */
1178 bzero(&ch, sizeof ch);
1179 if(XGetClassHint(display, win->id, &ch)) {
1180 /*fprintf(stderr, "class: %s name: %s\n", ch.res_class, ch.res_name); */
1181 if (!strcmp(ch.res_class, "MPlayer") && !strcmp(ch.res_name, "xv")) {
1182 win->floating = 1;
1183 }
1184 if(ch.res_class)
1185 XFree(ch.res_class);
1186 if(ch.res_name)
1187 XFree(ch.res_name);
1188 }
1189
1190 XSelectInput(display, id, ButtonPressMask | EnterWindowMask |
1191 FocusChangeMask | ExposureMask);
1192
1193 return (win);
1194 }
1195
1196 void
1197 configurerequest(XEvent *e)
1198 {
1199 XConfigureRequestEvent *ev = &e->xconfigurerequest;
1200 struct ws_win *win;
1201 int new = 1;
1202 XWindowChanges wc;
1203
1204 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1205 if (win->id == ev->window) {
1206 new = 0;
1207 break;
1208 }
1209 }
1210
1211 if (new) {
1212 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
1213 ev->window);
1214 bzero(&wc, sizeof wc);
1215 wc.x = ev->x;
1216 wc.y = ev->y;
1217 wc.width = ev->width;
1218 wc.height = ev->height;
1219 wc.border_width = ev->border_width;
1220 wc.sibling = ev->above;
1221 wc.stack_mode = ev->detail;
1222 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
1223 } else {
1224 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
1225 ev->window);
1226 config_win(win);
1227 }
1228 }
1229
1230 void
1231 configurenotify(XEvent *e)
1232 {
1233 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
1234 e->xconfigure.window);
1235 }
1236
1237 void
1238 destroynotify(XEvent *e)
1239 {
1240 struct ws_win *win;
1241 XDestroyWindowEvent *ev = &e->xdestroywindow;
1242
1243 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
1244
1245 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1246 if (ev->window == win->id) {
1247 /* find a window to focus */
1248 ws[current_ws].focus = TAILQ_PREV(win,
1249 ws_win_list, entry);
1250 if (ws[current_ws].focus == NULL)
1251 ws[current_ws].focus =
1252 TAILQ_FIRST(&ws[current_ws].winlist);
1253 if (win == ws[current_ws].focus)
1254 ws[current_ws].focus = NULL;
1255
1256 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
1257 free(win);
1258 break;
1259 }
1260 }
1261
1262 stack();
1263 }
1264
1265 void
1266 enternotify(XEvent *e)
1267 {
1268 XCrossingEvent *ev = &e->xcrossing;
1269 struct ws_win *win;
1270
1271 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
1272
1273 if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
1274 ev->window != root)
1275 return;
1276 if (ignore_enter) {
1277 /* eat event(s) to prevent autofocus */
1278 ignore_enter--;
1279 return;
1280 }
1281 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1282 if (win->id == ev->window)
1283 focus_win(win);
1284 else
1285 unfocus_win(win);
1286 }
1287 }
1288
1289 void
1290 focusin(XEvent *e)
1291 {
1292 XFocusChangeEvent *ev = &e->xfocus;
1293
1294 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", ev->window);
1295
1296 if (ev->window == root)
1297 return;
1298 /*
1299 * kill grab for now so that we can cut and paste , this screws up
1300 * click to focus
1301 */
1302 /*
1303 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
1304 XGrabButton(display, Button1, AnyModifier, ev->window, False,
1305 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
1306 */
1307 }
1308
1309 void
1310 mappingnotify(XEvent *e)
1311 {
1312 XMappingEvent *ev = &e->xmapping;
1313
1314 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
1315
1316 XRefreshKeyboardMapping(ev);
1317 if(ev->request == MappingKeyboard)
1318 grabkeys();
1319 }
1320
1321 void
1322 maprequest(XEvent *e)
1323 {
1324 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
1325 e->xmaprequest.window);
1326
1327 manage_window(e->xmaprequest.window);
1328 stack();
1329 }
1330
1331 void
1332 propertynotify(XEvent *e)
1333 {
1334 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
1335 e->xproperty.window);
1336 }
1337
1338 void
1339 unmapnotify(XEvent *e)
1340 {
1341 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
1342 }
1343
1344 void
1345 visibilitynotify(XEvent *e)
1346 {
1347 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n", e->xvisibility.window);
1348
1349 if (e->xvisibility.window == bar_window &&
1350 e->xvisibility.state == VisibilityUnobscured)
1351 bar_print();
1352 }
1353
1354 void (*handler[LASTEvent])(XEvent *) = {
1355 [Expose] = expose,
1356 [KeyPress] = keypress,
1357 [ButtonPress] = buttonpress,
1358 [ConfigureRequest] = configurerequest,
1359 [ConfigureNotify] = configurenotify,
1360 [DestroyNotify] = destroynotify,
1361 [EnterNotify] = enternotify,
1362 [FocusIn] = focusin,
1363 [MappingNotify] = mappingnotify,
1364 [MapRequest] = maprequest,
1365 [PropertyNotify] = propertynotify,
1366 [UnmapNotify] = unmapnotify,
1367 [VisibilityNotify] = visibilitynotify,
1368 };
1369
1370 int
1371 xerror_start(Display *d, XErrorEvent *ee)
1372 {
1373 other_wm = 1;
1374 return (-1);
1375 }
1376
1377 int
1378 xerror(Display *d, XErrorEvent *ee)
1379 {
1380 fprintf(stderr, "error: %p %p\n", display, ee);
1381
1382 return (-1);
1383 }
1384
1385 int
1386 active_wm(void)
1387 {
1388 other_wm = 0;
1389 xerrorxlib = XSetErrorHandler(xerror_start);
1390
1391 /* this causes an error if some other window manager is running */
1392 XSelectInput(display, DefaultRootWindow(display),
1393 SubstructureRedirectMask);
1394 XSync(display, False);
1395 if(other_wm)
1396 return (1);
1397
1398 XSetErrorHandler(xerror);
1399 XSync(display, False);
1400 return (0);
1401 }
1402
1403 int
1404 main(int argc, char *argv[])
1405 {
1406 struct passwd *pwd;
1407 char conf[PATH_MAX], *cfile = NULL;
1408 struct stat sb;
1409 XEvent e;
1410 unsigned int i, j, num;
1411 Window d1, d2, *wins = NULL;
1412 XWindowAttributes wa;
1413
1414 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
1415 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
1416 warnx("no locale support");
1417
1418 if(!(display = XOpenDisplay(0)))
1419 errx(1, "can not open display");
1420
1421 if (active_wm())
1422 errx(1, "other wm running");
1423
1424 screen = DefaultScreen(display);
1425 root = RootWindow(display, screen);
1426
1427 /* look for local and global conf file */
1428 pwd = getpwuid(getuid());
1429 if (pwd == NULL)
1430 errx(1, "invalid user %d", getuid());
1431
1432 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
1433 if (stat(conf, &sb) != -1) {
1434 if (S_ISREG(sb.st_mode))
1435 cfile = conf;
1436 } else {
1437 /* try global conf file */
1438 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
1439 if (!stat(conf, &sb))
1440 if (S_ISREG(sb.st_mode))
1441 cfile = conf;
1442 }
1443 if (cfile)
1444 conf_load(cfile);
1445
1446 /* init all workspaces */
1447 for (i = 0; i < SWM_WS_MAX; i++) {
1448 ws[i].visible = 0;
1449 ws[i].restack = 1;
1450 ws[i].focus = NULL;
1451 ws[i].g.x = 0;
1452 ws[i].g.y = 0;
1453 ws[i].g.w = DisplayWidth(display, screen) - 2;
1454 ws[i].g.h = DisplayHeight(display, screen) - 2;
1455 TAILQ_INIT(&ws[i].winlist);
1456
1457 for (j = 0; layouts[j].l_stack != NULL; j++) {
1458 if (layouts[j].l_init != NULL)
1459 layouts[j].l_init(i);
1460 }
1461 ws[i].cur_layout = &layouts[0];
1462 }
1463 /* make work space 1 active */
1464 ws[0].visible = 1;
1465
1466 /* grab existing windows */
1467 if (XQueryTree(display, root, &d1, &d2, &wins, &num)) {
1468 for (i = 0; i < num; i++) {
1469 if (!XGetWindowAttributes(display, wins[i], &wa)
1470 || wa.override_redirect ||
1471 XGetTransientForHint(display, wins[i], &d1))
1472 continue;
1473 manage_window(wins[i]);
1474 }
1475 if(wins)
1476 XFree(wins);
1477 }
1478 ws[0].focus = TAILQ_FIRST(&ws[0].winlist);
1479
1480 /* setup status bar */
1481 bar_setup();
1482
1483 XSelectInput(display, root, SubstructureRedirectMask |
1484 SubstructureNotifyMask | ButtonPressMask | KeyPressMask |
1485 EnterWindowMask | LeaveWindowMask | StructureNotifyMask |
1486 FocusChangeMask | PropertyChangeMask | ExposureMask);
1487
1488 grabkeys();
1489 stack();
1490
1491 while (running) {
1492 XNextEvent(display, &e);
1493 if (handler[e.type])
1494 handler[e.type](&e);
1495 }
1496
1497 XCloseDisplay(display);
1498
1499 return (0);
1500 }
spectrwm is a small dynamic tiling and reparenting window manager for X11