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somehow if( and for( remained in the code borrowed from dwm. Kill that dead.
[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 Atom astate;
105 int (*xerrorxlib)(Display *, XErrorEvent *);
106 int other_wm;
107 int screen;
108 int running = 1;
109 int ignore_enter = 0;
110 unsigned int numlockmask = 0;
111 unsigned long color_focus = 0xff0000; /* XXX should this be per ws? */
112 unsigned long color_unfocus = 0x888888;
113 Display *display;
114 Window root;
115
116 /* status bar */
117 int bar_enabled = 1;
118 int bar_height = 0;
119 unsigned long bar_border = 0x008080;
120 unsigned long bar_color = 0x000000;
121 unsigned long bar_font_color = 0xa0a0a0;
122 Window bar_window;
123 GC bar_gc;
124 XGCValues bar_gcv;
125 XFontStruct *bar_fs;
126 char bar_text[128];
127 char *bar_fonts[] = {
128 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
129 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
130 NULL
131 };
132
133 /* terminal + args */
134 char *spawn_term[] = { "xterm", NULL };
135 char *spawn_menu[] = { "dmenu_run", NULL };
136
137 /* layout manager data */
138 struct swm_geometry {
139 int x;
140 int y;
141 int w;
142 int h;
143 };
144
145
146 struct ws_win {
147 TAILQ_ENTRY(ws_win) entry;
148 Window id;
149 struct swm_geometry g;
150 int floating;
151 int transient;
152 XWindowAttributes wa;
153 XSizeHints sh;
154 };
155 TAILQ_HEAD(ws_win_list, ws_win);
156
157 /* layout handlers */
158 void stack(void);
159 void vertical_init(int);
160 void vertical_resize(int);
161 void vertical_stack(struct swm_geometry *);
162 void horizontal_init(int);
163 void horizontal_resize(int);
164 void horizontal_stack(struct swm_geometry *);
165 void max_init(int);
166 void max_focus(struct ws_win *);
167 void max_stack(struct swm_geometry *);
168
169 struct layout {
170 void (*l_init)(int); /* init/reset */
171 void (*l_stack)(struct swm_geometry *);
172 void (*l_resize)(int);
173 void (*l_focus)(struct ws_win *);
174 } layouts[] = {
175 /* init stack, resize */
176 { vertical_init, vertical_stack, vertical_resize, NULL},
177 { horizontal_init, horizontal_stack, horizontal_resize, NULL},
178 { NULL, max_stack, NULL, max_focus},
179 { NULL, NULL, NULL, NULL},
180 };
181
182
183 /* define work spaces */
184 #define SWM_WS_MAX (10)
185 struct workspace {
186 int visible; /* workspace visible */
187 int restack; /* restack on switch */
188 struct swm_geometry g;
189 struct layout *cur_layout; /* current layout handlers */
190 struct ws_win *focus; /* which win has focus */
191 struct ws_win_list winlist; /* list of windows in ws */
192 } ws[SWM_WS_MAX];
193 int current_ws = 0;
194
195 /* args to functions */
196 union arg {
197 int id;
198 #define SWM_ARG_ID_FOCUSNEXT (0)
199 #define SWM_ARG_ID_FOCUSPREV (1)
200 #define SWM_ARG_ID_FOCUSMAIN (2)
201 #define SWM_ARG_ID_SWAPNEXT (3)
202 #define SWM_ARG_ID_SWAPPREV (4)
203 #define SWM_ARG_ID_SWAPMAIN (5)
204 #define SWM_ARG_ID_MASTERSHRINK (6)
205 #define SWM_ARG_ID_MASTERGROW (7)
206 char **argv;
207 };
208
209 /* conf file stuff */
210 #define SWM_CONF_WS "\n= \t"
211 #define SWM_CONF_FILE "scrotwm.conf"
212 int
213 conf_load(char *filename)
214 {
215 FILE *config;
216 char *line, *cp, *var, *val;
217 size_t len, lineno = 0;
218
219 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
220
221 if (filename == NULL)
222 return (1);
223
224 if ((config = fopen(filename, "r")) == NULL)
225 return (1);
226
227 for (;;) {
228 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
229 if (feof(config))
230 break;
231 cp = line;
232 cp += (long)strspn(cp, SWM_CONF_WS);
233 if (cp[0] == '\0') {
234 /* empty line */
235 free(line);
236 continue;
237 }
238 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
239 break;
240 cp += (long)strspn(cp, SWM_CONF_WS);
241 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
242 break;
243
244 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
245 switch (var[0]) {
246 case 'b':
247 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
248 bar_enabled = atoi(val);
249 else if (!strncmp(var, "bar_border",
250 strlen("bar_border")))
251 bar_border = strtol(val, NULL, 16);
252 else if (!strncmp(var, "bar_color",
253 strlen("bar_color")))
254 bar_color = strtol(val, NULL, 16);
255 else if (!strncmp(var, "bar_font_color",
256 strlen("bar_font_color")))
257 bar_font_color = strtol(val, NULL, 16);
258 else if (!strncmp(var, "bar_font", strlen("bar_font")))
259 asprintf(&bar_fonts[0], "%s", val);
260 else
261 goto bad;
262 break;
263
264 case 'c':
265 if (!strncmp(var, "color_focus", strlen("color_focus")))
266 color_focus = strtol(val, NULL, 16);
267 else if (!strncmp(var, "color_unfocus",
268 strlen("color_unfocus")))
269 color_unfocus = strtol(val, NULL, 16);
270 else
271 goto bad;
272 break;
273
274 case 's':
275 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
276 asprintf(&spawn_term[0], "%s", val); /* XXX args? */
277 break;
278 default:
279 goto bad;
280 }
281 free(line);
282 }
283
284 fclose(config);
285 return (0);
286 bad:
287 errx(1, "invalid conf file entry: %s=%s", var, val);
288 }
289
290 void
291 bar_print(void)
292 {
293 time_t tmt;
294 struct tm tm;
295
296 if (bar_enabled == 0)
297 return;
298
299 /* clear old text */
300 XSetForeground(display, bar_gc, bar_color);
301 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
302 strlen(bar_text));
303
304 /* draw new text */
305 time(&tmt);
306 localtime_r(&tmt, &tm);
307 strftime(bar_text, sizeof bar_text, "%a %b %d %R %Z %Y", &tm);
308 XSetForeground(display, bar_gc, bar_font_color);
309 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
310 strlen(bar_text));
311 XSync(display, False);
312
313 alarm(60);
314 }
315
316 void
317 bar_signal(int sig)
318 {
319 /* XXX yeah yeah byte me */
320 bar_print();
321 }
322
323 void
324 bar_toggle(union arg *args)
325 {
326 int i;
327
328 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
329
330 if (bar_enabled) {
331 bar_enabled = 0;
332 XUnmapWindow(display, bar_window);
333 } else {
334 bar_enabled = 1;
335 XMapRaised(display, bar_window);
336 }
337 XSync(display, False);
338 for (i = 0; i < SWM_WS_MAX; i++)
339 ws[i].restack = 1;
340
341 stack();
342 bar_print(); /* must be after stack */
343 }
344
345 void
346 bar_setup(void)
347 {
348 int i;
349
350 for (i = 0; bar_fonts[i] != NULL; i++) {
351 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
352 if (bar_fs)
353 break;
354 }
355 if (bar_fonts[i] == NULL)
356 errx(1, "couldn't load font");
357 bar_height = bar_fs->ascent + bar_fs->descent + 3;
358
359 bar_window = XCreateSimpleWindow(display, root, 0, 0,
360 ws[current_ws].g.w, bar_height - 2, 1, bar_border, bar_color);
361 bar_gc = XCreateGC(display, bar_window, 0, &bar_gcv);
362 XSetFont(display, bar_gc, bar_fs->fid);
363 XSelectInput(display, bar_window, VisibilityChangeMask);
364 if (bar_enabled) {
365 XMapRaised(display, bar_window);
366 }
367 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %d\n", (int)bar_window);
368
369 if (signal(SIGALRM, bar_signal) == SIG_ERR)
370 err(1, "could not install bar_signal");
371 bar_print();
372 }
373
374 void
375 config_win(struct ws_win *win)
376 {
377 XConfigureEvent ce;
378
379 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
380 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
381 ce.type = ConfigureNotify;
382 ce.display = display;
383 ce.event = win->id;
384 ce.window = win->id;
385 ce.x = win->g.x;
386 ce.y = win->g.y;
387 ce.width = win->g.w;
388 ce.height = win->g.h;
389 ce.border_width = 1; /* XXX store this! */
390 ce.above = None;
391 ce.override_redirect = False;
392 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
393 }
394
395 int
396 count_win(int wsid, int count_transient)
397 {
398 struct ws_win *win;
399 int count = 0;
400
401 TAILQ_FOREACH (win, &ws[wsid].winlist, entry) {
402 if (count_transient == 0 && win->floating)
403 continue;
404 if (count_transient == 0 && win->transient)
405 continue;
406 count++;
407 }
408 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
409
410 return (count);
411 }
412 void
413 quit(union arg *args)
414 {
415 DNPRINTF(SWM_D_MISC, "quit\n");
416 running = 0;
417 }
418
419 void
420 restart(union arg *args)
421 {
422 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
423
424 XCloseDisplay(display);
425 execvp(start_argv[0], start_argv);
426 fprintf(stderr, "execvp failed\n");
427 perror(" failed");
428 quit(NULL);
429 }
430
431 void
432 spawn(union arg *args)
433 {
434 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
435 /*
436 * The double-fork construct avoids zombie processes and keeps the code
437 * clean from stupid signal handlers.
438 */
439 if (fork() == 0) {
440 if (fork() == 0) {
441 if (display)
442 close(ConnectionNumber(display));
443 setsid();
444 execvp(args->argv[0], args->argv);
445 fprintf(stderr, "execvp failed\n");
446 perror(" failed");
447 }
448 exit(0);
449 }
450 wait(0);
451 }
452
453 void
454 focus_win(struct ws_win *win)
455 {
456 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win->id);
457 XSetWindowBorder(display, win->id, color_focus);
458 XSetInputFocus(display, win->id, RevertToPointerRoot, CurrentTime);
459 ws[current_ws].focus = win;
460 }
461
462 void
463 unfocus_win(struct ws_win *win)
464 {
465 DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", win->id);
466 XSetWindowBorder(display, win->id, color_unfocus);
467 if (ws[current_ws].focus == win)
468 ws[current_ws].focus = NULL;
469 }
470
471 void
472 switchws(union arg *args)
473 {
474 int wsid = args->id;
475 struct ws_win *win;
476
477 DNPRINTF(SWM_D_WS, "switchws: %d\n", wsid + 1);
478
479 if (wsid == current_ws)
480 return;
481
482 /* map new window first to prevent ugly blinking */
483 TAILQ_FOREACH (win, &ws[wsid].winlist, entry)
484 XMapRaised(display, win->id);
485 ws[wsid].visible = 1;
486
487 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry)
488 XUnmapWindow(display, win->id);
489 ws[current_ws].visible = 0;
490
491 current_ws = wsid;
492
493 ignore_enter = 1;
494 if (ws[wsid].restack) {
495 stack();
496 bar_print();
497 } else {
498 if (ws[wsid].focus != NULL)
499 focus_win(ws[wsid].focus);
500 XSync(display, False);
501 }
502 }
503
504 void
505 swapwin(union arg *args)
506 {
507 struct ws_win *target;
508
509 DNPRINTF(SWM_D_MOVE, "swapwin: id %d\n", args->id);
510 if (ws[current_ws].focus == NULL)
511 return;
512
513 switch (args->id) {
514 case SWM_ARG_ID_SWAPPREV:
515 target = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
516 TAILQ_REMOVE(&ws[current_ws].winlist,
517 ws[current_ws].focus, entry);
518 if (target == NULL)
519 TAILQ_INSERT_TAIL(&ws[current_ws].winlist,
520 ws[current_ws].focus, entry);
521 else
522 TAILQ_INSERT_BEFORE(target, ws[current_ws].focus,
523 entry);
524 break;
525 case SWM_ARG_ID_SWAPNEXT:
526 target = TAILQ_NEXT(ws[current_ws].focus, entry);
527 TAILQ_REMOVE(&ws[current_ws].winlist,
528 ws[current_ws].focus, entry);
529 if (target == NULL)
530 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
531 ws[current_ws].focus, entry);
532 else
533 TAILQ_INSERT_AFTER(&ws[current_ws].winlist, target,
534 ws[current_ws].focus, entry);
535 break;
536 case SWM_ARG_ID_SWAPMAIN:
537 target = TAILQ_FIRST(&ws[current_ws].winlist);
538 if (target == ws[current_ws].focus)
539 return;
540 TAILQ_REMOVE(&ws[current_ws].winlist, target, entry);
541 TAILQ_INSERT_BEFORE(ws[current_ws].focus, target, entry);
542 TAILQ_REMOVE(&ws[current_ws].winlist,
543 ws[current_ws].focus, entry);
544 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
545 ws[current_ws].focus, entry);
546 break;
547 default:
548 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
549 return;
550 }
551
552 ignore_enter = 2;
553 stack();
554 }
555
556 void
557 focus(union arg *args)
558 {
559 struct ws_win *winfocus, *winlostfocus;
560
561 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
562 if (ws[current_ws].focus == NULL)
563 return;
564
565 winlostfocus = ws[current_ws].focus;
566
567 switch (args->id) {
568 case SWM_ARG_ID_FOCUSPREV:
569 winfocus = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
570 if (winfocus == NULL)
571 winfocus =
572 TAILQ_LAST(&ws[current_ws].winlist, ws_win_list);
573 break;
574
575 case SWM_ARG_ID_FOCUSNEXT:
576 winfocus = TAILQ_NEXT(ws[current_ws].focus, entry);
577 if (winfocus == NULL)
578 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
579 break;
580
581 case SWM_ARG_ID_FOCUSMAIN:
582 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
583 break;
584
585 default:
586 return;
587 }
588
589 if (winfocus == winlostfocus)
590 return;
591
592 unfocus_win(winlostfocus);
593 focus_win(winfocus);
594 /* XXX if we hook in focus_win(), we get a nasty cycle */
595 if (ws[current_ws].cur_layout->l_focus != NULL)
596 ws[current_ws].cur_layout->l_focus(winfocus);
597 XSync(display, False);
598 }
599
600 void
601 cycle_layout(union arg *args)
602 {
603 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", current_ws);
604
605 ws[current_ws].cur_layout++;
606 if (ws[current_ws].cur_layout->l_stack == NULL)
607 ws[current_ws].cur_layout = &layouts[0];
608 ignore_enter = 1;
609
610 stack();
611 }
612
613 void
614 resize_master(union arg *args)
615 {
616 DNPRINTF(SWM_D_EVENT, "resize_master: id %d\n", args->id);
617
618 if (ws[current_ws].cur_layout->l_resize != NULL)
619 ws[current_ws].cur_layout->l_resize(args->id);
620 }
621
622 void
623 stack_reset(union arg *args)
624 {
625 DNPRINTF(SWM_D_EVENT, "stack_reset: ws %d\n", current_ws);
626
627 if (ws[current_ws].cur_layout->l_init != NULL) {
628 ws[current_ws].cur_layout->l_init(current_ws);
629 stack();
630 }
631 }
632
633 void
634 stack(void) {
635 struct swm_geometry g;
636 DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
637
638 /* start with workspace geometry, adjust for bar */
639 g = ws[current_ws].g;
640 if (bar_enabled) {
641 g.y += bar_height;
642 g.h -= bar_height;
643 }
644
645 ws[current_ws].restack = 0;
646 ws[current_ws].cur_layout->l_stack(&g);
647 XSync(display, False);
648 }
649
650 void
651 stack_floater(struct ws_win *win)
652 {
653 unsigned int mask;
654 XWindowChanges wc;
655
656 #if 0
657 bzero(&wc, sizeof wc);
658 wc.border_width = 1;
659 mask = CWX | CWY | CWBorderWidth;
660
661 win->g.w = wc.width = win->wa.width;
662 win->g.h = wc.height = win->wa.height;
663 win->g.x = wc.x = (ws[current_ws].g.w - win->wa.width) / 2;
664 win->g.y = wc.y = (ws[current_ws].g.h - win->wa.height) / 2;
665
666 DNPRINTF(SWM_D_EVENT, "stack_floater: win %d x %d y %d w %d h %d\n",
667 win, wc.x, wc.y, wc.width, wc.height);
668
669 XConfigureWindow(display, win->id, mask, &wc);
670 return;
671 #endif
672 bzero(&wc, sizeof wc);
673 wc.border_width = 1;
674 mask = CWX | CWY | CWBorderWidth;
675
676 /* use obsolete width height */
677 if (win->sh.flags & USPosition) {
678 win->g.w = wc.width = win->sh.width;
679 win->g.h = wc.height = win->sh.height;
680 mask |= CWWidth | CWHeight;
681 }
682
683 /* try min max */
684 if (win->sh.flags & PMinSize) {
685 /* some hints are retarded */
686 if (win->sh.min_width < ws[current_ws].g.w / 10)
687 win->sh.min_width = ws[current_ws].g.w / 3;
688 if (win->sh.min_height < ws[current_ws].g.h / 10)
689 win->sh.height = ws[current_ws].g.h / 3;
690
691 win->g.w = wc.width = win->sh.min_width * 2;
692 win->g.h = wc.height = win->sh.min_height * 2;
693 mask |= CWWidth | CWHeight;
694 }
695 if (win->sh.flags & PMaxSize) {
696 /* potentially override min values */
697 if (win->sh.max_width < ws[current_ws].g.w) {
698 win->g.w = wc.width = win->sh.max_width;
699 mask |= CWWidth;
700 }
701 if (win->sh.max_height < ws[current_ws].g.h) {
702 win->g.h = wc.height = win->sh.max_height;
703 mask |= CWHeight;
704 }
705 }
706
707 /* make sure we don't clobber the screen */
708 if ((mask & CWWidth) && win->wa.width > ws[current_ws].g.w)
709 win->wa.width = ws[current_ws].g.w - 4;
710 if ((mask & CWHeight) && win->wa.height > ws[current_ws].g.h)
711 win->wa.height = ws[current_ws].g.h - 4;
712
713 /* supposed to be obsolete */
714 if (win->sh.flags & USPosition) {
715 win->g.x = wc.x = win->sh.x;
716 win->g.y = wc.y = win->sh.y;
717 } else {
718 win->g.x = wc.x = (ws[current_ws].g.w - win->wa.width) / 2;
719 win->g.y = wc.y = (ws[current_ws].g.h - win->wa.height) / 2;
720 }
721 DNPRINTF(SWM_D_EVENT, "stack_floater: win %d x %d y %d w %d h %d\n",
722 win, wc.x, wc.y, wc.width, wc.height);
723
724 XConfigureWindow(display, win->id, mask, &wc);
725 }
726
727
728 int vertical_msize[SWM_WS_MAX];
729
730 void
731 vertical_init(int ws_idx)
732 {
733 DNPRINTF(SWM_D_MISC, "vertical_init: workspace: %d\n", current_ws);
734
735 vertical_msize[ws_idx] = ws[ws_idx].g.w / 2;
736 }
737
738 void
739 vertical_resize(int id)
740 {
741 DNPRINTF(SWM_D_MISC, "vertical_resize: workspace: %d\n", current_ws);
742
743 switch (id) {
744 case SWM_ARG_ID_MASTERSHRINK:
745 vertical_msize[current_ws] -= ws[current_ws].g.w / 32;
746 if ( vertical_msize[current_ws] < ws[current_ws].g.w / 16)
747 vertical_msize[current_ws] = ws[current_ws].g.w / 16;
748 break;
749 case SWM_ARG_ID_MASTERGROW:
750 vertical_msize[current_ws] += ws[current_ws].g.w / 32;
751 if ( vertical_msize[current_ws] >
752 (ws[current_ws].g.w - (ws[current_ws].g.w / 16)))
753 vertical_msize[current_ws] =
754 ws[current_ws].g.w - ws[current_ws].g.w / 16;
755 break;
756 default:
757 return;
758 }
759 stack();
760 }
761
762 void
763 vertical_stack(struct swm_geometry *g) {
764 XWindowChanges wc;
765 struct swm_geometry gg = *g;
766 struct ws_win wf, *win, *winfocus = &wf;
767 int i, hrh, winno;
768 unsigned int mask;
769
770 DNPRINTF(SWM_D_EVENT, "vertical_stack: workspace: %d\n", current_ws);
771
772 winno = count_win(current_ws, 0);
773 if (winno == 0)
774 return;
775 winfocus->id = root;
776
777 if (winno > 1)
778 gg.w = vertical_msize[current_ws];
779
780 if (winno > 2)
781 hrh = g->h / (winno - 1);
782 else
783 hrh = 0;
784
785 i = 0;
786 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
787 if (i == 1) {
788 gg.x += vertical_msize[current_ws] + 2;
789 gg.w = g->w - (vertical_msize[current_ws] + 2);
790 }
791 if (i != 0 && hrh != 0) {
792 /* correct the last window for lost pixels */
793 if (win == TAILQ_LAST(&ws[current_ws].winlist,
794 ws_win_list)) {
795 gg.h = hrh + (g->h - (i * hrh));
796 gg.y += hrh;
797 } else {
798 gg.h = hrh - 2;
799 /* leave first right hand window at y = 0 */
800 if (i > 1)
801 gg.y += gg.h + 2;
802 }
803 }
804
805 if (win->transient != 0 || win->floating != 0)
806 stack_floater(win);
807 else {
808 bzero(&wc, sizeof wc);
809 wc.border_width = 1;
810 win->g.x = wc.x = gg.x;
811 win->g.y = wc.y = gg.y;
812 win->g.w = wc.width = gg.w;
813 win->g.h = wc.height = gg.h;
814 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
815 XConfigureWindow(display, win->id, mask, &wc);
816 }
817
818 if (win == ws[current_ws].focus)
819 winfocus = win;
820 else
821 unfocus_win(win);
822 XMapRaised(display, win->id);
823 i++;
824 }
825
826 focus_win(winfocus); /* this has to be done outside of the loop */
827 }
828
829 int horizontal_msize[SWM_WS_MAX];
830
831 void
832 horizontal_init(int ws_idx)
833 {
834 DNPRINTF(SWM_D_MISC, "horizontal_init: workspace: %d\n", current_ws);
835
836 horizontal_msize[ws_idx] = ws[ws_idx].g.h / 2;
837 }
838
839 void
840 horizontal_resize(int id)
841 {
842 DNPRINTF(SWM_D_MISC, "horizontal_resize: workspace: %d\n", current_ws);
843
844 switch (id) {
845 case SWM_ARG_ID_MASTERSHRINK:
846 horizontal_msize[current_ws] -= ws[current_ws].g.h / 32;
847 if ( horizontal_msize[current_ws] < ws[current_ws].g.h / 16)
848 horizontal_msize[current_ws] = ws[current_ws].g.h / 16;
849 break;
850 case SWM_ARG_ID_MASTERGROW:
851 horizontal_msize[current_ws] += ws[current_ws].g.h / 32;
852 if ( horizontal_msize[current_ws] >
853 (ws[current_ws].g.h - (ws[current_ws].g.h / 16)))
854 horizontal_msize[current_ws] =
855 ws[current_ws].g.h - ws[current_ws].g.h / 16;
856 break;
857 default:
858 return;
859 }
860 stack();
861 }
862
863 void
864 horizontal_stack(struct swm_geometry *g) {
865 XWindowChanges wc;
866 struct swm_geometry gg = *g;
867 struct ws_win wf, *win, *winfocus = &wf;
868 int i, hrw, winno;
869 unsigned int mask;
870
871 DNPRINTF(SWM_D_EVENT, "horizontal_stack: workspace: %d\n", current_ws);
872
873 winno = count_win(current_ws, 0);
874 if (winno == 0)
875 return;
876 winfocus->id = root;
877
878 if (winno > 1)
879 gg.h = horizontal_msize[current_ws];
880
881 if (winno > 2)
882 hrw = g->w / (winno - 1);
883 else
884 hrw = 0;
885
886 i = 0;
887 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
888 if (i == 1) {
889 gg.y += horizontal_msize[current_ws] + 2;
890 gg.h = g->h - (horizontal_msize[current_ws] + 2);
891 }
892 if (i != 0 && hrw != 0) {
893 /* correct the last window for lost pixels */
894 if (win == TAILQ_LAST(&ws[current_ws].winlist,
895 ws_win_list)) {
896 gg.w = hrw + (g->w - (i * hrw));
897 gg.x += hrw;
898 } else {
899 gg.w = hrw - 2;
900 /* leave first bottom window at x = 0 */
901 if (i > 1)
902 gg.x += gg.w + 2;
903 }
904 }
905
906 if (win->transient != 0 || win->floating != 0)
907 stack_floater(win);
908 else {
909 bzero(&wc, sizeof wc);
910 wc.border_width = 1;
911 win->g.x = wc.x = gg.x;
912 win->g.y = wc.y = gg.y;
913 win->g.w = wc.width = gg.w;
914 win->g.h = wc.height = gg.h;
915 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
916 XConfigureWindow(display, win->id, mask, &wc);
917 }
918
919 if (win == ws[current_ws].focus)
920 winfocus = win;
921 else
922 unfocus_win(win);
923 XMapRaised(display, win->id);
924 i++;
925 }
926
927 focus_win(winfocus); /* this has to be done outside of the loop */
928 }
929
930 void
931 max_focus(struct ws_win *fwin)
932 {
933 struct ws_win *win;
934
935 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
936 if (win->transient == 0 && win->floating == 0 && win == fwin)
937 XMapRaised(display, win->id);
938 else
939 XUnmapWindow(display, win->id);
940 }
941 }
942
943 /* fullscreen view */
944 void
945 max_stack(struct swm_geometry *g) {
946 XWindowChanges wc;
947 struct swm_geometry gg = *g;
948 struct ws_win *win, *winfocus;
949 unsigned int mask;
950
951 DNPRINTF(SWM_D_EVENT, "max_stack: workspace: %d\n", current_ws);
952
953 if (count_win(current_ws, 0) == 0)
954 return;
955
956 winfocus = ws[current_ws].focus;
957 if (!winfocus)
958 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
959
960 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
961 if (win->transient != 0 || win->floating != 0) {
962 if (win == winfocus)
963 stack_floater(win); /* XXX maximize? */
964 else
965 XUnmapWindow(display, win->id);
966 } else {
967 bzero(&wc, sizeof wc);
968 wc.border_width = 1;
969 win->g.x = wc.x = gg.x;
970 win->g.y = wc.y = gg.y;
971 win->g.w = wc.width = gg.w;
972 win->g.h = wc.height = gg.h;
973 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
974 XConfigureWindow(display, win->id, mask, &wc);
975
976 if (winfocus == win)
977 XMapRaised(display, win->id);
978 else
979 XUnmapWindow(display, win->id);
980 }
981 }
982
983 focus_win(winfocus); /* this has to be done outside of the loop */
984 }
985
986 void
987 send_to_ws(union arg *args)
988 {
989 int wsid = args->id;
990 struct ws_win *win = ws[current_ws].focus;
991
992 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
993
994 XUnmapWindow(display, win->id);
995
996 /* find a window to focus */
997 ws[current_ws].focus = TAILQ_PREV(win, ws_win_list, entry);
998 if (ws[current_ws].focus == NULL)
999 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
1000 if (ws[current_ws].focus == win)
1001 ws[current_ws].focus = NULL;
1002
1003 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
1004
1005 TAILQ_INSERT_TAIL(&ws[wsid].winlist, win, entry);
1006 if (count_win(wsid, 1) == 1)
1007 ws[wsid].focus = win;
1008 ws[wsid].restack = 1;
1009
1010 stack();
1011 }
1012
1013 /* key definitions */
1014 struct key {
1015 unsigned int mod;
1016 KeySym keysym;
1017 void (*func)(union arg *);
1018 union arg args;
1019 } keys[] = {
1020 /* modifier key function argument */
1021 { MODKEY, XK_space, cycle_layout, {0} },
1022 { MODKEY | ShiftMask, XK_space, stack_reset, {0} },
1023 { MODKEY, XK_h, resize_master, {.id = SWM_ARG_ID_MASTERSHRINK} },
1024 { MODKEY, XK_l, resize_master, {.id = SWM_ARG_ID_MASTERGROW} },
1025 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1026 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1027 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1028 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1029 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1030 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
1031 { MODKEY, XK_p, spawn, {.argv = spawn_menu} },
1032 { MODKEY | ShiftMask, XK_q, quit, {0} },
1033 { MODKEY, XK_q, restart, {0} },
1034 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1035 { MODKEY, XK_1, switchws, {.id = 0} },
1036 { MODKEY, XK_2, switchws, {.id = 1} },
1037 { MODKEY, XK_3, switchws, {.id = 2} },
1038 { MODKEY, XK_4, switchws, {.id = 3} },
1039 { MODKEY, XK_5, switchws, {.id = 4} },
1040 { MODKEY, XK_6, switchws, {.id = 5} },
1041 { MODKEY, XK_7, switchws, {.id = 6} },
1042 { MODKEY, XK_8, switchws, {.id = 7} },
1043 { MODKEY, XK_9, switchws, {.id = 8} },
1044 { MODKEY, XK_0, switchws, {.id = 9} },
1045 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1046 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1047 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1048 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1049 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1050 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1051 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1052 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1053 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1054 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1055 { MODKEY, XK_b, bar_toggle, {0} },
1056 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1057 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1058 };
1059
1060 void
1061 updatenumlockmask(void)
1062 {
1063 unsigned int i, j;
1064 XModifierKeymap *modmap;
1065
1066 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
1067 numlockmask = 0;
1068 modmap = XGetModifierMapping(display);
1069 for (i = 0; i < 8; i++)
1070 for (j = 0; j < modmap->max_keypermod; j++)
1071 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1072 == XKeysymToKeycode(display, XK_Num_Lock))
1073 numlockmask = (1 << i);
1074
1075 XFreeModifiermap(modmap);
1076 }
1077
1078 void
1079 grabkeys(void)
1080 {
1081 unsigned int i, j;
1082 KeyCode code;
1083 unsigned int modifiers[] =
1084 { 0, LockMask, numlockmask, numlockmask | LockMask };
1085
1086 DNPRINTF(SWM_D_MISC, "grabkeys\n");
1087 updatenumlockmask();
1088
1089 XUngrabKey(display, AnyKey, AnyModifier, root);
1090 for (i = 0; i < LENGTH(keys); i++) {
1091 if ((code = XKeysymToKeycode(display, keys[i].keysym)))
1092 for (j = 0; j < LENGTH(modifiers); j++)
1093 XGrabKey(display, code,
1094 keys[i].mod | modifiers[j], root,
1095 True, GrabModeAsync, GrabModeAsync);
1096 }
1097 }
1098 void
1099 expose(XEvent *e)
1100 {
1101 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
1102 }
1103
1104 void
1105 keypress(XEvent *e)
1106 {
1107 unsigned int i;
1108 KeySym keysym;
1109 XKeyEvent *ev = &e->xkey;
1110
1111 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
1112
1113 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
1114 for (i = 0; i < LENGTH(keys); i++)
1115 if (keysym == keys[i].keysym
1116 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1117 && keys[i].func)
1118 keys[i].func(&(keys[i].args));
1119 }
1120
1121 void
1122 buttonpress(XEvent *e)
1123 {
1124 XButtonPressedEvent *ev = &e->xbutton;
1125 #ifdef SWM_CLICKTOFOCUS
1126 struct ws_win *win;
1127 #endif
1128
1129
1130 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
1131
1132 if (ev->window == root)
1133 return;
1134 if (ev->window == ws[current_ws].focus->id)
1135 return;
1136 #ifdef SWM_CLICKTOFOCUS
1137 TAILQ_FOREACH(win, &ws[current_ws].winlist, entry)
1138 if (win->id == ev->window) {
1139 /* focus in the clicked window */
1140 XSetWindowBorder(display, ev->window, 0xff0000);
1141 XSetWindowBorder(display,
1142 ws[current_ws].focus->id, 0x888888);
1143 XSetInputFocus(display, ev->window, RevertToPointerRoot,
1144 CurrentTime);
1145 ws[current_ws].focus = win;
1146 XSync(display, False);
1147 break;
1148 }
1149 #endif
1150 }
1151
1152 void
1153 set_win_state(struct ws_win *win, long state)
1154 {
1155 long data[] = {state, None};
1156
1157 DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1158
1159 XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1160 (unsigned char *)data, 2);
1161 }
1162
1163 struct ws_win *
1164 manage_window(Window id)
1165 {
1166 Window trans;
1167 struct ws_win *win;
1168 XClassHint ch;
1169
1170 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1171 if (win->id == id)
1172 return (win); /* already being managed */
1173 }
1174
1175 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
1176 errx(1, "calloc: failed to allocate memory for new window");
1177
1178 win->id = id;
1179 TAILQ_INSERT_TAIL(&ws[current_ws].winlist, win, entry);
1180 ws[current_ws].focus = win; /* make new win focused */
1181
1182 XGetTransientForHint(display, win->id, &trans);
1183 if (trans) {
1184 win->transient = trans;
1185 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
1186 (unsigned)win->id, win->transient);
1187 }
1188 XGetWindowAttributes(display, win->id, &win->wa);
1189 XGetNormalHints(display, win->id, &win->sh);
1190
1191 /* XXX */
1192 bzero(&ch, sizeof ch);
1193 if (XGetClassHint(display, win->id, &ch)) {
1194 /*fprintf(stderr, "class: %s name: %s\n", ch.res_class, ch.res_name); */
1195 if (!strcmp(ch.res_class, "MPlayer") && !strcmp(ch.res_name, "xv")) {
1196 win->floating = 1;
1197 }
1198 if (ch.res_class)
1199 XFree(ch.res_class);
1200 if (ch.res_name)
1201 XFree(ch.res_name);
1202 }
1203
1204 XSelectInput(display, id, ButtonPressMask | EnterWindowMask |
1205 FocusChangeMask | ExposureMask);
1206
1207 set_win_state(win, NormalState);
1208
1209 return (win);
1210 }
1211
1212 void
1213 configurerequest(XEvent *e)
1214 {
1215 XConfigureRequestEvent *ev = &e->xconfigurerequest;
1216 struct ws_win *win;
1217 int new = 1;
1218 XWindowChanges wc;
1219
1220 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1221 if (win->id == ev->window) {
1222 new = 0;
1223 break;
1224 }
1225 }
1226
1227 if (new) {
1228 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
1229 ev->window);
1230 bzero(&wc, sizeof wc);
1231 wc.x = ev->x;
1232 wc.y = ev->y;
1233 wc.width = ev->width;
1234 wc.height = ev->height;
1235 wc.border_width = ev->border_width;
1236 wc.sibling = ev->above;
1237 wc.stack_mode = ev->detail;
1238 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
1239 } else {
1240 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
1241 ev->window);
1242 config_win(win);
1243 }
1244 }
1245
1246 void
1247 configurenotify(XEvent *e)
1248 {
1249 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
1250 e->xconfigure.window);
1251 }
1252
1253 void
1254 destroynotify(XEvent *e)
1255 {
1256 struct ws_win *win;
1257 XDestroyWindowEvent *ev = &e->xdestroywindow;
1258
1259 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
1260
1261 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1262 if (ev->window == win->id) {
1263 /* find a window to focus */
1264 ws[current_ws].focus = TAILQ_PREV(win,
1265 ws_win_list, entry);
1266 if (ws[current_ws].focus == NULL)
1267 ws[current_ws].focus =
1268 TAILQ_FIRST(&ws[current_ws].winlist);
1269 if (win == ws[current_ws].focus)
1270 ws[current_ws].focus = NULL;
1271
1272 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
1273 set_win_state(win, WithdrawnState);
1274 free(win);
1275 break;
1276 }
1277 }
1278
1279 stack();
1280 }
1281
1282 void
1283 enternotify(XEvent *e)
1284 {
1285 XCrossingEvent *ev = &e->xcrossing;
1286 struct ws_win *win;
1287
1288 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
1289
1290 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
1291 ev->window != root)
1292 return;
1293 if (ignore_enter) {
1294 /* eat event(s) to prevent autofocus */
1295 ignore_enter--;
1296 return;
1297 }
1298 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
1299 if (win->id == ev->window)
1300 focus_win(win);
1301 else
1302 unfocus_win(win);
1303 }
1304 }
1305
1306 void
1307 focusin(XEvent *e)
1308 {
1309 XFocusChangeEvent *ev = &e->xfocus;
1310
1311 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", ev->window);
1312
1313 if (ev->window == root)
1314 return;
1315 /*
1316 * kill grab for now so that we can cut and paste , this screws up
1317 * click to focus
1318 */
1319 /*
1320 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
1321 XGrabButton(display, Button1, AnyModifier, ev->window, False,
1322 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
1323 */
1324 }
1325
1326 void
1327 mappingnotify(XEvent *e)
1328 {
1329 XMappingEvent *ev = &e->xmapping;
1330
1331 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
1332
1333 XRefreshKeyboardMapping(ev);
1334 if (ev->request == MappingKeyboard)
1335 grabkeys();
1336 }
1337
1338 void
1339 maprequest(XEvent *e)
1340 {
1341 XMapRequestEvent *ev = &e->xmaprequest;
1342 XWindowAttributes wa;
1343
1344 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
1345 e->xmaprequest.window);
1346
1347 if (!XGetWindowAttributes(display, ev->window, &wa))
1348 return;
1349 if (wa.override_redirect)
1350 return;
1351 manage_window(e->xmaprequest.window);
1352 stack();
1353 }
1354
1355 void
1356 propertynotify(XEvent *e)
1357 {
1358 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
1359 e->xproperty.window);
1360 }
1361
1362 void
1363 unmapnotify(XEvent *e)
1364 {
1365 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
1366 }
1367
1368 void
1369 visibilitynotify(XEvent *e)
1370 {
1371 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n", e->xvisibility.window);
1372
1373 if (e->xvisibility.window == bar_window &&
1374 e->xvisibility.state == VisibilityUnobscured)
1375 bar_print();
1376 }
1377
1378 void (*handler[LASTEvent])(XEvent *) = {
1379 [Expose] = expose,
1380 [KeyPress] = keypress,
1381 [ButtonPress] = buttonpress,
1382 [ConfigureRequest] = configurerequest,
1383 [ConfigureNotify] = configurenotify,
1384 [DestroyNotify] = destroynotify,
1385 [EnterNotify] = enternotify,
1386 [FocusIn] = focusin,
1387 [MappingNotify] = mappingnotify,
1388 [MapRequest] = maprequest,
1389 [PropertyNotify] = propertynotify,
1390 [UnmapNotify] = unmapnotify,
1391 [VisibilityNotify] = visibilitynotify,
1392 };
1393
1394 int
1395 xerror_start(Display *d, XErrorEvent *ee)
1396 {
1397 other_wm = 1;
1398 return (-1);
1399 }
1400
1401 int
1402 xerror(Display *d, XErrorEvent *ee)
1403 {
1404 /* fprintf(stderr, "error: %p %p\n", display, ee); */
1405 return (-1);
1406 }
1407
1408 int
1409 active_wm(void)
1410 {
1411 other_wm = 0;
1412 xerrorxlib = XSetErrorHandler(xerror_start);
1413
1414 /* this causes an error if some other window manager is running */
1415 XSelectInput(display, DefaultRootWindow(display),
1416 SubstructureRedirectMask);
1417 XSync(display, False);
1418 if (other_wm)
1419 return (1);
1420
1421 XSetErrorHandler(xerror);
1422 XSync(display, False);
1423 return (0);
1424 }
1425
1426 long
1427 getstate(Window w)
1428 {
1429 int format, status;
1430 long result = -1;
1431 unsigned char *p = NULL;
1432 unsigned long n, extra;
1433 Atom real;
1434
1435 astate = XInternAtom(display, "WM_STATE", False);
1436 status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
1437 &real, &format, &n, &extra, (unsigned char **)&p);
1438 if (status != Success)
1439 return (-1);
1440 if (n != 0)
1441 result = *p;
1442 XFree(p);
1443 return (result);
1444 }
1445
1446 int
1447 main(int argc, char *argv[])
1448 {
1449 struct passwd *pwd;
1450 char conf[PATH_MAX], *cfile = NULL;
1451 struct stat sb;
1452 XEvent e;
1453 unsigned int i, j, num;
1454 Window d1, d2, *wins = NULL;
1455 XWindowAttributes wa;
1456
1457 start_argv = argv;
1458 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
1459 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
1460 warnx("no locale support");
1461
1462 if (!(display = XOpenDisplay(0)))
1463 errx(1, "can not open display");
1464
1465 if (active_wm())
1466 errx(1, "other wm running");
1467
1468 screen = DefaultScreen(display);
1469 root = RootWindow(display, screen);
1470 astate = XInternAtom(display, "WM_STATE", False);
1471
1472 /* look for local and global conf file */
1473 pwd = getpwuid(getuid());
1474 if (pwd == NULL)
1475 errx(1, "invalid user %d", getuid());
1476
1477 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
1478 if (stat(conf, &sb) != -1) {
1479 if (S_ISREG(sb.st_mode))
1480 cfile = conf;
1481 } else {
1482 /* try global conf file */
1483 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
1484 if (!stat(conf, &sb))
1485 if (S_ISREG(sb.st_mode))
1486 cfile = conf;
1487 }
1488 if (cfile)
1489 conf_load(cfile);
1490
1491 /* init all workspaces */
1492 for (i = 0; i < SWM_WS_MAX; i++) {
1493 ws[i].visible = 0;
1494 ws[i].restack = 1;
1495 ws[i].focus = NULL;
1496 ws[i].g.x = 0;
1497 ws[i].g.y = 0;
1498 ws[i].g.w = DisplayWidth(display, screen) - 2;
1499 ws[i].g.h = DisplayHeight(display, screen) - 2;
1500 TAILQ_INIT(&ws[i].winlist);
1501
1502 for (j = 0; layouts[j].l_stack != NULL; j++) {
1503 if (layouts[j].l_init != NULL)
1504 layouts[j].l_init(i);
1505 }
1506 ws[i].cur_layout = &layouts[0];
1507 }
1508 /* make work space 1 active */
1509 ws[0].visible = 1;
1510
1511 /* grab existing windows */
1512 if (XQueryTree(display, root, &d1, &d2, &wins, &num)) {
1513 /* normal windows */
1514 for (i = 0; i < num; i++) {
1515 XGetWindowAttributes(display, wins[i], &wa);
1516 if (!XGetWindowAttributes(display, wins[i], &wa) ||
1517 wa.override_redirect || XGetTransientForHint(display, wins[i], &d1))
1518 continue;
1519 if (wa.map_state == IsViewable || getstate(wins[i]) == NormalState)
1520 manage_window(wins[i]);
1521 }
1522 /* transient windows */
1523 for (i = 0; i < num; i++) {
1524 if (!XGetWindowAttributes(display, wins[i], &wa))
1525 continue;
1526 if (XGetTransientForHint(display, wins[i], &d1) &&
1527 (wa.map_state == IsViewable || getstate(wins[i]) ==
1528 NormalState))
1529 manage_window(wins[i]);
1530 }
1531 if (wins)
1532 XFree(wins);
1533 }
1534 ws[0].focus = TAILQ_FIRST(&ws[0].winlist);
1535
1536 /* setup status bar */
1537 bar_setup();
1538
1539 XSelectInput(display, root, SubstructureRedirectMask |
1540 SubstructureNotifyMask | ButtonPressMask | KeyPressMask |
1541 EnterWindowMask | LeaveWindowMask | StructureNotifyMask |
1542 FocusChangeMask | PropertyChangeMask | ExposureMask);
1543
1544 grabkeys();
1545 stack();
1546
1547 while (running) {
1548 XNextEvent(display, &e);
1549 if (handler[e.type])
1550 handler[e.type](&e);
1551 }
1552
1553 XCloseDisplay(display);
1554
1555 return (0);
1556 }
spectrwm is a small dynamic tiling and reparenting window manager for X11