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[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 <errno.h>
57 #include <locale.h>
58 #include <unistd.h>
59 #include <time.h>
60 #include <signal.h>
61 #include <string.h>
62 #include <util.h>
63 #include <pwd.h>
64 #include <ctype.h>
65
66 #include <sys/types.h>
67 #include <sys/time.h>
68 #include <sys/stat.h>
69 #include <sys/wait.h>
70 #include <sys/queue.h>
71 #include <sys/param.h>
72 #include <sys/select.h>
73
74 #include <X11/cursorfont.h>
75 #include <X11/keysym.h>
76 #include <X11/Xatom.h>
77 #include <X11/Xlib.h>
78 #include <X11/Xproto.h>
79 #include <X11/Xutil.h>
80 #include <X11/extensions/Xrandr.h>
81
82 #if RANDR_MAJOR < 1
83 # error XRandR versions less than 1.0 are not supported
84 #endif
85
86 #if RANDR_MAJOR >= 1
87 #if RANDR_MINOR >= 2
88 #define SWM_XRR_HAS_CRTC
89 #endif
90 #endif
91
92 #define SWM_DEBUG
93 /* #define SWM_DEBUG */
94 #ifdef SWM_DEBUG
95 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
96 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
97 #define SWM_D_MISC 0x0001
98 #define SWM_D_EVENT 0x0002
99 #define SWM_D_WS 0x0004
100 #define SWM_D_FOCUS 0x0008
101 #define SWM_D_MOVE 0x0010
102 #define SWM_D_STACK 0x0020
103
104 u_int32_t swm_debug = 0
105 | SWM_D_MISC
106 | SWM_D_EVENT
107 | SWM_D_WS
108 | SWM_D_FOCUS
109 | SWM_D_MOVE
110 | SWM_D_STACK
111 ;
112 #else
113 #define DPRINTF(x...)
114 #define DNPRINTF(n,x...)
115 #endif
116
117 #define LENGTH(x) (sizeof x / sizeof x[0])
118 #define MODKEY Mod1Mask
119 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
120
121 #define X(r) (r)->g.x
122 #define Y(r) (r)->g.y
123 #define WIDTH(r) (r)->g.w
124 #define HEIGHT(r) (r)->g.h
125
126 char **start_argv;
127 Atom astate;
128 int (*xerrorxlib)(Display *, XErrorEvent *);
129 int other_wm;
130 int running = 1;
131 int xrandr_eventbase;
132 int ignore_enter = 0;
133 unsigned int numlockmask = 0;
134 Display *display;
135
136 int cycle_empty = 0;
137 int cycle_visible = 0;
138
139 /* dialog windows */
140 double dialog_ratio = .6;
141 /* status bar */
142 #define SWM_BAR_MAX (128)
143 sig_atomic_t bar_alarm = 0;
144 int bar_enabled = 1;
145 int bar_verbose = 1;
146 int bar_height = 0;
147 GC bar_gc;
148 XGCValues bar_gcv;
149 XFontStruct *bar_fs;
150 char *bar_fonts[] = {
151 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
152 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
153 NULL
154 };
155
156 /* terminal + args */
157 char *spawn_term[] = { "xterm", NULL };
158 char *spawn_menu[] = { "dmenu_run", NULL };
159
160 /* layout manager data */
161 struct swm_geometry {
162 int x;
163 int y;
164 int w;
165 int h;
166 };
167
168 struct swm_screen;
169 struct workspace;
170
171 /* virtual "screens" */
172 struct swm_region {
173 TAILQ_ENTRY(swm_region) entry;
174 struct swm_geometry g;
175 Window bar_window;
176 struct workspace *ws; /* current workspace on this region */
177 struct swm_screen *s; /* screen idx */
178 };
179 TAILQ_HEAD(swm_region_list, swm_region);
180
181
182 struct ws_win {
183 TAILQ_ENTRY(ws_win) entry;
184 Window id;
185 struct swm_geometry g;
186 int got_focus;
187 int floating;
188 int transient;
189 struct workspace *ws; /* always valid */
190 struct swm_screen *s; /* always valid, never changes */
191 XWindowAttributes wa;
192 };
193 TAILQ_HEAD(ws_win_list, ws_win);
194
195 /* layout handlers */
196 void stack(void);
197 void vertical_config(struct workspace *, int);
198 void vertical_stack(struct workspace *, struct swm_geometry *);
199 void horizontal_config(struct workspace *, int);
200 void horizontal_stack(struct workspace *, struct swm_geometry *);
201 void max_stack(struct workspace *, struct swm_geometry *);
202
203 struct layout {
204 void (*l_stack)(struct workspace *, struct swm_geometry *);
205 void (*l_config)(struct workspace *, int);
206 } layouts[] = {
207 /* stack, configure */
208 { vertical_stack, vertical_config},
209 { horizontal_stack, horizontal_config},
210 { max_stack, NULL},
211 { NULL, NULL},
212 };
213
214 #define SWM_H_SLICE (32)
215 #define SWM_V_SLICE (32)
216
217 /* define work spaces */
218 struct workspace {
219 int idx; /* workspace index */
220 int restack; /* restack on switch */
221 struct layout *cur_layout; /* current layout handlers */
222 struct ws_win *focus; /* may be NULL */
223 struct swm_region *r; /* may be NULL */
224 struct ws_win_list winlist; /* list of windows in ws */
225
226 /* stacker state */
227 struct {
228 int horizontal_msize;
229 int horizontal_mwin;
230 int vertical_msize;
231 int vertical_mwin;
232 } l_state;
233 };
234
235 /* physical screen mapping */
236 #define SWM_WS_MAX (10) /* XXX Too small? */
237 struct swm_screen {
238 int idx; /* screen index */
239 struct swm_region_list rl; /* list of regions on this screen */
240 Window root;
241 int xrandr_support;
242 struct workspace ws[SWM_WS_MAX];
243
244 /* colors */
245 unsigned long bar_border;
246 unsigned long bar_color;
247 unsigned long bar_font_color;
248 unsigned long color_focus; /* XXX should this be per ws? */
249 unsigned long color_unfocus;
250 };
251 struct swm_screen *screens;
252 int num_screens;
253 Window rootclick = 0;
254
255 struct ws_win *cur_focus = NULL;
256
257 /* args to functions */
258 union arg {
259 int id;
260 #define SWM_ARG_ID_FOCUSNEXT (0)
261 #define SWM_ARG_ID_FOCUSPREV (1)
262 #define SWM_ARG_ID_FOCUSMAIN (2)
263 #define SWM_ARG_ID_SWAPNEXT (3)
264 #define SWM_ARG_ID_SWAPPREV (4)
265 #define SWM_ARG_ID_SWAPMAIN (5)
266 #define SWM_ARG_ID_MASTERSHRINK (6)
267 #define SWM_ARG_ID_MASTERGROW (7)
268 #define SWM_ARG_ID_MASTERADD (8)
269 #define SWM_ARG_ID_MASTERDEL (9)
270 #define SWM_ARG_ID_STACKRESET (10)
271 #define SWM_ARG_ID_STACKINIT (11)
272 #define SWM_ARG_ID_CYCLEWS_UP (12)
273 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
274 char **argv;
275 };
276
277 unsigned long
278 name_to_color(char *colorname)
279 {
280 Colormap cmap;
281 Status status;
282 XColor screen_def, exact_def;
283 unsigned long result = 0;
284 char cname[32] = "#";
285
286 cmap = DefaultColormap(display, screens[0].idx);
287 status = XAllocNamedColor(display, cmap, colorname,
288 &screen_def, &exact_def);
289 if (!status) {
290 strlcat(cname, colorname + 2, sizeof cname - 1);
291 status = XAllocNamedColor(display, cmap, cname, &screen_def,
292 &exact_def);
293 }
294 if (status)
295 result = screen_def.pixel;
296 else
297 fprintf(stderr, "color '%s' not found.\n", colorname);
298
299 return (result);
300 }
301
302 int
303 varmatch(char *var, char *name, int *index)
304 {
305 char *p, buf[5];
306 int i;
307
308 i = strncmp(var, name, 255);
309 if (index == NULL)
310 return (i);
311
312 *index = -1;
313 if (i <= 0)
314 return (i);
315 p = var + strlen(name);
316 if (*p++ != '[')
317 return (i);
318 bzero(buf, sizeof buf);
319 i = 0;
320 while (isdigit(*p) && i < sizeof buf)
321 buf[i++] = *p++;
322 if (i == 0 || i >= sizeof buf || *p != ']')
323 return (1);
324 *index = strtonum(buf, 0, 99, NULL);
325 return (0);
326 }
327
328 /* conf file stuff */
329 #define SWM_CONF_WS "\n= \t"
330 #define SWM_CONF_FILE "scrotwm.conf"
331 int
332 conf_load(char *filename)
333 {
334 FILE *config;
335 char *line, *cp, *var, *val;
336 size_t len, lineno = 0;
337 int i, sc;
338
339 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
340
341 if (filename == NULL)
342 return (1);
343
344 if ((config = fopen(filename, "r")) == NULL)
345 return (1);
346
347 for (sc = ScreenCount(display);;) {
348 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
349 if (feof(config))
350 break;
351 cp = line;
352 cp += (long)strspn(cp, SWM_CONF_WS);
353 if (cp[0] == '\0') {
354 /* empty line */
355 free(line);
356 continue;
357 }
358 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
359 break;
360 cp += (long)strspn(cp, SWM_CONF_WS);
361 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
362 break;
363
364 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
365 switch (var[0]) {
366 case 'b':
367 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
368 bar_enabled = atoi(val);
369 else if (!varmatch(var, "bar_border", &i))
370 if (i > 0 && i <= sc)
371 screens[i - 1].bar_border =
372 name_to_color(val);
373 else if (i == -1)
374 for (i = 0; i < sc; i++)
375 screens[i].bar_border =
376 name_to_color(val);
377 else
378 goto badidx;
379 else if (!varmatch(var, "bar_color", &i))
380 if (i > 0 && i <= sc)
381 screens[i - 1].bar_color =
382 name_to_color(val);
383 else if (i == -1)
384 for (i = 0; i < sc; i++)
385 screens[i].bar_color =
386 name_to_color(val);
387 else
388 goto badidx;
389 else if (!varmatch(var, "bar_font_color", &i))
390 if (i > 0 && i <= sc)
391 screens[i - 1].bar_font_color =
392 name_to_color(val);
393 else if (i == -1)
394 for (i = 0; i < sc; i++)
395 screens[i].bar_font_color =
396 name_to_color(val);
397 else
398 goto badidx;
399
400 else if (!strncmp(var, "bar_font", strlen("bar_font")))
401 asprintf(&bar_fonts[0], "%s", val);
402 else
403 goto bad;
404 break;
405
406 case 'c':
407 if (!varmatch(var, "color_focus", &i))
408 if (i > 0 && i <= sc)
409 screens[i - 1].color_focus =
410 name_to_color(val);
411 else if (i == -1)
412 for (i = 0; i < sc; i++)
413 screens[i].color_focus =
414 name_to_color(val);
415 else
416 goto badidx;
417 else if (!varmatch(var, "color_unfocus", &i))
418 if (i > 0 && i <= sc)
419 screens[i - 1].color_unfocus =
420 name_to_color(val);
421 else if (i == -1)
422 for (i = 0; i < sc; i++)
423 screens[i].color_unfocus =
424 name_to_color(val);
425 else
426 goto badidx;
427 else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
428 cycle_visible = atoi(val);
429 else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
430 cycle_visible = atoi(val);
431 else
432 goto bad;
433 break;
434
435 case 'd':
436 if (!strncmp(var, "dialog_ratio",
437 strlen("dialog_ratio"))) {
438 dialog_ratio = atof(val);
439 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
440 dialog_ratio = .6;
441 } else
442 goto bad;
443 break;
444
445 case 's':
446 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
447 asprintf(&spawn_term[0], "%s", val); /* XXX args? */
448 break;
449 default:
450 goto bad;
451 }
452 free(line);
453 }
454
455 fclose(config);
456 return (0);
457 bad:
458 errx(1, "invalid conf file entry: %s=%s", var, val);
459 badidx:
460 errx(1, "invalid screen index: %s out of bounds", var);
461 }
462
463 void
464 bar_print(struct swm_region *r, char *s)
465 {
466 XClearWindow(display, r->bar_window);
467 XSetForeground(display, bar_gc, r->s->bar_font_color);
468 XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
469 strlen(s));
470 }
471
472 void
473 bar_update(void)
474 {
475 time_t tmt;
476 struct tm tm;
477 struct swm_region *r;
478 int i, x;
479 char s[SWM_BAR_MAX];
480 char e[SWM_BAR_MAX];
481
482 if (bar_enabled == 0)
483 return;
484
485 time(&tmt);
486 localtime_r(&tmt, &tm);
487 strftime(s, sizeof s, "%a %b %d %R %Z %Y", &tm);
488 for (i = 0; i < ScreenCount(display); i++) {
489 x = 1;
490 TAILQ_FOREACH(r, &screens[i].rl, entry) {
491 snprintf(e, sizeof e, "%s %d:%d",
492 s, x++, r->ws->idx + 1);
493 bar_print(r, e);
494 }
495 }
496 XSync(display, False);
497 alarm(60);
498 }
499
500 void
501 bar_signal(int sig)
502 {
503 bar_alarm = 1;
504 }
505
506 void
507 bar_toggle(struct swm_region *r, union arg *args)
508 {
509 struct swm_region *tmpr;
510 int i, j, sc = ScreenCount(display);
511
512 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
513
514 if (bar_enabled) {
515 for (i = 0; i < sc; i++)
516 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
517 XUnmapWindow(display, tmpr->bar_window);
518 } else {
519 for (i = 0; i < sc; i++)
520 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
521 XMapRaised(display, tmpr->bar_window);
522 }
523 bar_enabled = !bar_enabled;
524 XSync(display, False);
525 for (i = 0; i < sc; i++)
526 for (j = 0; j < SWM_WS_MAX; j++)
527 screens[i].ws[j].restack = 1;
528
529 stack();
530 /* must be after stack */
531 for (i = 0; i < sc; i++)
532 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
533 bar_update();
534 }
535
536 void
537 bar_setup(struct swm_region *r)
538 {
539 int i;
540
541 for (i = 0; bar_fonts[i] != NULL; i++) {
542 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
543 if (bar_fs)
544 break;
545 }
546 if (bar_fonts[i] == NULL)
547 errx(1, "couldn't load font");
548 bar_height = bar_fs->ascent + bar_fs->descent + 3;
549
550 r->bar_window = XCreateSimpleWindow(display,
551 r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
552 1, r->s->bar_border, r->s->bar_color);
553 bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
554 XSetFont(display, bar_gc, bar_fs->fid);
555 XSelectInput(display, r->bar_window, VisibilityChangeMask);
556 if (bar_enabled)
557 XMapRaised(display, r->bar_window);
558 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
559
560 if (signal(SIGALRM, bar_signal) == SIG_ERR)
561 err(1, "could not install bar_signal");
562 bar_update();
563 }
564
565 void
566 bar_refresh(void)
567 {
568 XSetWindowAttributes wa;
569 struct swm_region *r;
570 int i;
571
572 bzero(&wa, sizeof wa);
573 for (i = 0; i < ScreenCount(display); i++)
574 TAILQ_FOREACH(r, &screens[i].rl, entry) {
575 wa.border_pixel = screens[i].bar_border;
576 wa.background_pixel = screens[i].bar_color;
577 XChangeWindowAttributes(display, r->bar_window,
578 CWBackPixel | CWBorderPixel, &wa);
579 }
580 bar_update();
581 }
582
583 void
584 config_win(struct ws_win *win)
585 {
586 XConfigureEvent ce;
587
588 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
589 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
590 ce.type = ConfigureNotify;
591 ce.display = display;
592 ce.event = win->id;
593 ce.window = win->id;
594 ce.x = win->g.x;
595 ce.y = win->g.y;
596 ce.width = win->g.w;
597 ce.height = win->g.h;
598 ce.border_width = 1; /* XXX store this! */
599 ce.above = None;
600 ce.override_redirect = False;
601 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
602 }
603
604 int
605 count_win(struct workspace *ws, int count_transient)
606 {
607 struct ws_win *win;
608 int count = 0;
609
610 TAILQ_FOREACH(win, &ws->winlist, entry) {
611 if (count_transient == 0 && win->floating)
612 continue;
613 if (count_transient == 0 && win->transient)
614 continue;
615 count++;
616 }
617 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
618
619 return (count);
620 }
621
622 void
623 quit(struct swm_region *r, union arg *args)
624 {
625 DNPRINTF(SWM_D_MISC, "quit\n");
626 running = 0;
627 }
628
629 void
630 restart(struct swm_region *r, union arg *args)
631 {
632 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
633
634 /* disable alarm because the following code may not be interrupted */
635 alarm(0);
636 if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
637 errx(1, "can't disable alarm");
638
639 XCloseDisplay(display);
640 execvp(start_argv[0], start_argv);
641 fprintf(stderr, "execvp failed\n");
642 perror(" failed");
643 quit(NULL, NULL);
644 }
645
646 struct swm_region *
647 root_to_region(Window root)
648 {
649 struct swm_region *r;
650 Window rr, cr;
651 int i, x, y, wx, wy;
652 unsigned int mask;
653
654 for (i = 0; i < ScreenCount(display); i++)
655 if (screens[i].root == root)
656 break;
657
658 if (rootclick != root && /* if root was just clicked in, use cursor */
659 cur_focus && cur_focus->ws->r && cur_focus->s == &screens[i])
660 r = cur_focus->ws->r;
661 else {
662 if (XQueryPointer(display, screens[i].root,
663 &rr, &cr, &x, &y, &wx, &wy, &mask) == False) {
664 r = TAILQ_FIRST(&screens[i].rl);
665 } else {
666 TAILQ_FOREACH(r, &screens[i].rl, entry) {
667 if (x > X(r) && x < X(r) + WIDTH(r) &&
668 y > Y(r) && y < Y(r) + HEIGHT(r))
669 break;
670 }
671
672 if (r == NULL)
673 r = TAILQ_FIRST(&screens[i].rl);
674 }
675 }
676 return (r);
677 }
678
679 struct ws_win *
680 find_window(Window id)
681 {
682 struct ws_win *win;
683 int i, j;
684
685 for (i = 0; i < ScreenCount(display); i++)
686 for (j = 0; j < SWM_WS_MAX; j++)
687 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
688 if (id == win->id)
689 return (win);
690 return (NULL);
691 }
692
693 void
694 spawn(struct swm_region *r, union arg *args)
695 {
696 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
697 /*
698 * The double-fork construct avoids zombie processes and keeps the code
699 * clean from stupid signal handlers.
700 */
701 if (fork() == 0) {
702 if (fork() == 0) {
703 if (display)
704 close(ConnectionNumber(display));
705 setsid();
706 execvp(args->argv[0], args->argv);
707 fprintf(stderr, "execvp failed\n");
708 perror(" failed");
709 }
710 exit(0);
711 }
712 wait(0);
713 }
714
715 void
716 unfocus_all(void)
717 {
718 struct ws_win *win;
719 int i, j;
720
721 DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
722
723 for (i = 0; i < ScreenCount(display); i++)
724 for (j = 0; j < SWM_WS_MAX; j++)
725 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
726 if (win->ws->r == NULL)
727 continue;
728 XSetWindowBorder(display, win->id,
729 win->ws->r->s->color_unfocus);
730 win->got_focus = 0;
731 win->ws->focus = NULL;
732 cur_focus = NULL;
733 }
734 }
735
736 void
737 focus_win(struct ws_win *win)
738 {
739 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
740
741 if (win == NULL)
742 return;
743
744 rootclick = 0;
745 unfocus_all();
746 win->ws->focus = win;
747 if (win->ws->r != NULL) {
748 cur_focus = win;
749 if (!win->got_focus)
750 XSetWindowBorder(display, win->id,
751 win->ws->r->s->color_focus);
752 win->got_focus = 1;
753 XSetInputFocus(display, win->id,
754 RevertToPointerRoot, CurrentTime);
755 }
756 }
757
758 void
759 switchws(struct swm_region *r, union arg *args)
760 {
761 int wsid = args->id;
762 struct swm_region *this_r, *other_r;
763 struct ws_win *win;
764 struct workspace *new_ws, *old_ws;
765
766 this_r = r;
767 old_ws = this_r->ws;
768 new_ws = &this_r->s->ws[wsid];
769
770 DNPRINTF(SWM_D_WS, "switchws screen %d region %dx%d+%d+%d: "
771 "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
772 old_ws->idx, wsid);
773
774 if (new_ws == old_ws)
775 return;
776
777 other_r = new_ws->r;
778 if (!other_r) {
779 /* if the other workspace is hidden, switch windows */
780 /* map new window first to prevent ugly blinking */
781 TAILQ_FOREACH(win, &new_ws->winlist, entry)
782 XMapRaised(display, win->id);
783
784 TAILQ_FOREACH(win, &old_ws->winlist, entry)
785 XUnmapWindow(display, win->id);
786
787 old_ws->r = NULL;
788 old_ws->restack = 1;
789 } else {
790 other_r->ws = old_ws;
791 old_ws->r = other_r;
792 }
793 this_r->ws = new_ws;
794 new_ws->r = this_r;
795
796 ignore_enter = 1;
797 /* set focus */
798 if (new_ws->focus)
799 focus_win(new_ws->focus);
800 stack();
801 bar_update();
802 }
803
804 void
805 cyclews(struct swm_region *r, union arg *args)
806 {
807 union arg a;
808 struct swm_screen *s = r->s;
809
810 DNPRINTF(SWM_D_WS, "cyclews id %d "
811 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
812 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
813
814 a.id = r->ws->idx;
815
816 do {
817 switch (args->id) {
818 case SWM_ARG_ID_CYCLEWS_UP:
819 if (a.id < SWM_WS_MAX - 1)
820 a.id++;
821 else
822 a.id = 0;
823 break;
824 case SWM_ARG_ID_CYCLEWS_DOWN:
825 if (a.id > 0)
826 a.id--;
827 else
828 a.id = SWM_WS_MAX - 1;
829 break;
830 default:
831 return;
832 };
833
834 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
835 continue;
836 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
837 continue;
838
839 switchws(r, &a);
840 } while (a.id != r->ws->idx);
841 }
842
843 void
844 swapwin(struct swm_region *r, union arg *args)
845 {
846 struct ws_win *target;
847 struct ws_win_list *wl;
848
849
850 DNPRINTF(SWM_D_WS, "swapwin id %d "
851 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
852 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
853 if (cur_focus == NULL)
854 return;
855
856 wl = &cur_focus->ws->winlist;
857
858 switch (args->id) {
859 case SWM_ARG_ID_SWAPPREV:
860 target = TAILQ_PREV(cur_focus, ws_win_list, entry);
861 TAILQ_REMOVE(wl, cur_focus, entry);
862 if (target == NULL)
863 TAILQ_INSERT_TAIL(wl, cur_focus, entry);
864 else
865 TAILQ_INSERT_BEFORE(target, cur_focus, entry);
866 break;
867 case SWM_ARG_ID_SWAPNEXT:
868 target = TAILQ_NEXT(cur_focus, entry);
869 TAILQ_REMOVE(wl, cur_focus, entry);
870 if (target == NULL)
871 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
872 else
873 TAILQ_INSERT_AFTER(wl, target, cur_focus, entry);
874 break;
875 case SWM_ARG_ID_SWAPMAIN:
876 target = TAILQ_FIRST(wl);
877 if (target == cur_focus)
878 return;
879 TAILQ_REMOVE(wl, target, entry);
880 TAILQ_INSERT_BEFORE(cur_focus, target, entry);
881 TAILQ_REMOVE(wl, cur_focus, entry);
882 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
883 break;
884 default:
885 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
886 return;
887 }
888
889 ignore_enter = 2;
890 stack();
891 }
892
893 void
894 focus(struct swm_region *r, union arg *args)
895 {
896 struct ws_win *winfocus, *winlostfocus;
897 struct ws_win_list *wl;
898
899 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
900 if (cur_focus == NULL)
901 return;
902
903 wl = &cur_focus->ws->winlist;
904
905 winlostfocus = cur_focus;
906
907 switch (args->id) {
908 case SWM_ARG_ID_FOCUSPREV:
909 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
910 if (winfocus == NULL)
911 winfocus = TAILQ_LAST(wl, ws_win_list);
912 break;
913
914 case SWM_ARG_ID_FOCUSNEXT:
915 winfocus = TAILQ_NEXT(cur_focus, entry);
916 if (winfocus == NULL)
917 winfocus = TAILQ_FIRST(wl);
918 break;
919
920 case SWM_ARG_ID_FOCUSMAIN:
921 winfocus = TAILQ_FIRST(wl);
922 break;
923
924 default:
925 return;
926 }
927
928 if (winfocus == winlostfocus)
929 return;
930
931 focus_win(winfocus);
932 XSync(display, False);
933 }
934
935 void
936 cycle_layout(struct swm_region *r, union arg *args)
937 {
938 struct workspace *ws = r->ws;
939
940 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
941
942 ws->cur_layout++;
943 if (ws->cur_layout->l_stack == NULL)
944 ws->cur_layout = &layouts[0];
945 ignore_enter = 1;
946
947 stack();
948 }
949
950 void
951 stack_config(struct swm_region *r, union arg *args)
952 {
953 struct workspace *ws = r->ws;
954
955 DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
956 args->id, ws->idx);
957
958 if (ws->cur_layout->l_config != NULL)
959 ws->cur_layout->l_config(ws, args->id);
960
961 if (args->id != SWM_ARG_ID_STACKINIT);
962 stack();
963 }
964
965 void
966 stack(void) {
967 struct swm_geometry g;
968 struct swm_region *r;
969 int i, j;
970
971 DNPRINTF(SWM_D_STACK, "stack\n");
972
973 for (i = 0; i < ScreenCount(display); i++) {
974 j = 0;
975 TAILQ_FOREACH(r, &screens[i].rl, entry) {
976 DNPRINTF(SWM_D_STACK, "stacking workspace %d "
977 "(screen %d, region %d)\n", r->ws->idx, i, j++);
978
979 /* start with screen geometry, adjust for bar */
980 g = r->g;
981 g.w -= 2;
982 g.h -= 2;
983 if (bar_enabled) {
984 g.y += bar_height;
985 g.h -= bar_height;
986 }
987
988 r->ws->restack = 0;
989 r->ws->cur_layout->l_stack(r->ws, &g);
990 }
991 }
992 XSync(display, False);
993 }
994
995 void
996 stack_floater(struct ws_win *win, struct swm_region *r)
997 {
998 unsigned int mask;
999 XWindowChanges wc;
1000
1001 bzero(&wc, sizeof wc);
1002 mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1003 wc.border_width = 1;
1004 if (win->transient) {
1005 win->g.w = (double)WIDTH(r) * dialog_ratio;
1006 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1007 }
1008 wc.width = win->g.w;
1009 wc.height = win->g.h;
1010 wc.x = (WIDTH(r) - win->g.w) / 2;
1011 wc.y = (HEIGHT(r) - win->g.h) / 2;
1012
1013 DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1014 win->id, wc.x, wc.y, wc.width, wc.height);
1015
1016 XConfigureWindow(display, win->id, mask, &wc);
1017 }
1018
1019
1020 void
1021 vertical_config(struct workspace *ws, int id)
1022 {
1023 DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1024
1025 switch (id) {
1026 case SWM_ARG_ID_STACKRESET:
1027 case SWM_ARG_ID_STACKINIT:
1028 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1029 ws->l_state.vertical_mwin = 1;
1030 break;
1031 case SWM_ARG_ID_MASTERSHRINK:
1032 if (ws->l_state.vertical_msize > 1)
1033 ws->l_state.vertical_msize--;
1034 break;
1035 case SWM_ARG_ID_MASTERGROW:
1036 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1037 ws->l_state.vertical_msize++;
1038 break;
1039 case SWM_ARG_ID_MASTERADD:
1040 ws->l_state.vertical_mwin++;
1041 break;
1042 case SWM_ARG_ID_MASTERDEL:
1043 if (ws->l_state.vertical_mwin > 0)
1044 ws->l_state.vertical_mwin--;
1045 break;
1046 default:
1047 return;
1048 }
1049 }
1050
1051 void
1052 vertical_stack(struct workspace *ws, struct swm_geometry *g) {
1053 XWindowChanges wc;
1054 struct swm_geometry gg = *g;
1055 struct ws_win *win, *winfocus;
1056 int i, j, split, colno, hrh, winno, main_width;
1057 unsigned int mask;
1058
1059 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1060
1061 if ((winno = count_win(ws, 0)) == 0)
1062 return;
1063
1064 if (ws->focus == NULL)
1065 ws->focus = TAILQ_FIRST(&ws->winlist);
1066 winfocus = cur_focus ? cur_focus : ws->focus;
1067
1068 if (ws->l_state.vertical_mwin &&
1069 winno > ws->l_state.vertical_mwin) {
1070 split = ws->l_state.vertical_mwin;
1071 colno = split;
1072 main_width = (g->w / SWM_V_SLICE) *
1073 ws->l_state.vertical_msize;
1074 gg.w = main_width;
1075 } else {
1076 colno = winno;
1077 split = 0;
1078 }
1079 hrh = g->h / colno;
1080 gg.h = hrh - 2;
1081
1082 i = j = 0;
1083 TAILQ_FOREACH(win, &ws->winlist, entry) {
1084 if (split && i == split) {
1085 colno = winno - split;
1086 hrh = (g->h / colno);
1087 gg.x += main_width + 2;
1088 gg.w = g->w - (main_width + 2);
1089 gg.h = hrh - 2;
1090 j = 0;
1091 }
1092 if (j == colno - 1)
1093 gg.h = (hrh + (g->h - (colno * hrh)));
1094
1095 if (j == 0)
1096 gg.y = g->y;
1097 else
1098 gg.y += hrh;
1099
1100
1101 if (win->transient != 0 || win->floating != 0)
1102 stack_floater(win, ws->r);
1103 else {
1104 bzero(&wc, sizeof wc);
1105 wc.border_width = 1;
1106 win->g.x = wc.x = gg.x;
1107 win->g.y = wc.y = gg.y;
1108 win->g.w = wc.width = gg.w;
1109 win->g.h = wc.height = gg.h;
1110 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1111 XConfigureWindow(display, win->id, mask, &wc);
1112 }
1113
1114 XMapRaised(display, win->id);
1115 i++;
1116 j++;
1117 }
1118
1119 if (winfocus)
1120 focus_win(winfocus); /* has to be done outside of the loop */
1121 }
1122
1123
1124 void
1125 horizontal_config(struct workspace *ws, int id)
1126 {
1127 DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1128
1129 switch (id) {
1130 case SWM_ARG_ID_STACKRESET:
1131 case SWM_ARG_ID_STACKINIT:
1132 ws->l_state.horizontal_mwin = 1;
1133 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1134 break;
1135 case SWM_ARG_ID_MASTERSHRINK:
1136 if (ws->l_state.horizontal_msize > 1)
1137 ws->l_state.horizontal_msize--;
1138 break;
1139 case SWM_ARG_ID_MASTERGROW:
1140 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1141 ws->l_state.horizontal_msize++;
1142 break;
1143 case SWM_ARG_ID_MASTERADD:
1144 ws->l_state.horizontal_mwin++;
1145 break;
1146 case SWM_ARG_ID_MASTERDEL:
1147 if (ws->l_state.horizontal_mwin > 0)
1148 ws->l_state.horizontal_mwin--;
1149 break;
1150 default:
1151 return;
1152 }
1153 }
1154
1155 void
1156 horizontal_stack(struct workspace *ws, struct swm_geometry *g) {
1157 XWindowChanges wc;
1158 struct swm_geometry gg = *g;
1159 struct ws_win *win, *winfocus;
1160 int i, j, split, rowno, hrw, winno, main_height;
1161 unsigned int mask;
1162
1163 DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
1164
1165 if ((winno = count_win(ws, 0)) == 0)
1166 return;
1167
1168 if (ws->focus == NULL)
1169 ws->focus = TAILQ_FIRST(&ws->winlist);
1170 winfocus = cur_focus ? cur_focus : ws->focus;
1171
1172 if (ws->l_state.horizontal_mwin &&
1173 winno > ws->l_state.horizontal_mwin) {
1174 split = ws->l_state.horizontal_mwin;
1175 rowno = split;
1176 main_height = (g->h / SWM_V_SLICE) *
1177 ws->l_state.horizontal_msize;
1178 gg.h = main_height;
1179 } else {
1180 rowno = winno;
1181 split = 0;
1182 }
1183 hrw = g->w / rowno;
1184 gg.w = hrw - 2;
1185
1186 i = j = 0;
1187 TAILQ_FOREACH(win, &ws->winlist, entry) {
1188 if (split && i == split) {
1189 rowno = winno - split;
1190 hrw = (g->w / rowno);
1191 gg.y += main_height + 2;
1192 gg.h = g->h - (main_height + 2);
1193 gg.w = hrw - 2;
1194 j = 0;
1195 }
1196 if (j == rowno - 1)
1197 gg.w = (hrw + (g->w - (rowno * hrw)));
1198
1199 if (j == 0)
1200 gg.x = g->x;
1201 else
1202 gg.x += hrw;
1203
1204 if (win->transient != 0 || win->floating != 0)
1205 stack_floater(win, ws->r);
1206 else {
1207 bzero(&wc, sizeof wc);
1208 wc.border_width = 1;
1209 win->g.x = wc.x = gg.x;
1210 win->g.y = wc.y = gg.y;
1211 win->g.w = wc.width = gg.w;
1212 win->g.h = wc.height = gg.h;
1213 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1214 XConfigureWindow(display, win->id, mask, &wc);
1215 }
1216
1217 XMapRaised(display, win->id);
1218 j++;
1219 i++;
1220 }
1221
1222 if (winfocus)
1223 focus_win(winfocus); /* this has to be done outside of the loop */
1224 }
1225
1226 /* fullscreen view */
1227 void
1228 max_stack(struct workspace *ws, struct swm_geometry *g) {
1229 XWindowChanges wc;
1230 struct swm_geometry gg = *g;
1231 struct ws_win *win, *winfocus;
1232 unsigned int mask;
1233
1234 DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1235
1236 if (count_win(ws, 0) == 0)
1237 return;
1238
1239 if (ws->focus == NULL)
1240 ws->focus = TAILQ_FIRST(&ws->winlist);
1241 winfocus = cur_focus ? cur_focus : ws->focus;
1242
1243 TAILQ_FOREACH(win, &ws->winlist, entry) {
1244 if (win->transient != 0 || win->floating != 0) {
1245 if (win == ws->focus) {
1246 /* XXX maximize? */
1247 stack_floater(win, ws->r);
1248 XMapRaised(display, win->id);
1249 } else
1250 XUnmapWindow(display, win->id);
1251 } else {
1252 bzero(&wc, sizeof wc);
1253 wc.border_width = 1;
1254 win->g.x = wc.x = gg.x;
1255 win->g.y = wc.y = gg.y;
1256 win->g.w = wc.width = gg.w;
1257 win->g.h = wc.height = gg.h;
1258 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1259 XConfigureWindow(display, win->id, mask, &wc);
1260
1261 if (win == ws->focus) {
1262 XMapRaised(display, win->id);
1263 } else
1264 XUnmapWindow(display, win->id);
1265 }
1266 }
1267
1268 if (winfocus)
1269 focus_win(winfocus); /* has to be done outside of the loop */
1270 }
1271
1272 void
1273 send_to_ws(struct swm_region *r, union arg *args)
1274 {
1275 int wsid = args->id;
1276 struct ws_win *win = cur_focus;
1277 struct workspace *ws, *nws;
1278
1279 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
1280
1281 ws = win->ws;
1282 nws = &win->s->ws[wsid];
1283
1284 XUnmapWindow(display, win->id);
1285
1286 /* find a window to focus */
1287 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1288 if (ws->focus == NULL)
1289 ws->focus = TAILQ_FIRST(&ws->winlist);
1290 if (ws->focus == win)
1291 ws->focus = NULL;
1292
1293 TAILQ_REMOVE(&ws->winlist, win, entry);
1294
1295 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
1296 win->ws = nws;
1297
1298 if (count_win(nws, 1) == 1)
1299 nws->focus = win;
1300 ws->restack = 1;
1301 nws->restack = 1;
1302
1303 stack();
1304 }
1305
1306 /* key definitions */
1307 struct key {
1308 unsigned int mod;
1309 KeySym keysym;
1310 void (*func)(struct swm_region *r, union arg *);
1311 union arg args;
1312 } keys[] = {
1313 /* modifier key function argument */
1314 { MODKEY, XK_space, cycle_layout, {0} },
1315 { MODKEY | ShiftMask, XK_space, stack_config, {.id = SWM_ARG_ID_STACKRESET} },
1316 { MODKEY, XK_h, stack_config, {.id = SWM_ARG_ID_MASTERSHRINK} },
1317 { MODKEY, XK_l, stack_config, {.id = SWM_ARG_ID_MASTERGROW} },
1318 { MODKEY, XK_comma, stack_config, {.id = SWM_ARG_ID_MASTERADD} },
1319 { MODKEY, XK_period, stack_config, {.id = SWM_ARG_ID_MASTERDEL} },
1320 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1321 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1322 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1323 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1324 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1325 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
1326 { MODKEY, XK_p, spawn, {.argv = spawn_menu} },
1327 { MODKEY | ShiftMask, XK_q, quit, {0} },
1328 { MODKEY, XK_q, restart, {0} },
1329 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1330 { MODKEY, XK_1, switchws, {.id = 0} },
1331 { MODKEY, XK_2, switchws, {.id = 1} },
1332 { MODKEY, XK_3, switchws, {.id = 2} },
1333 { MODKEY, XK_4, switchws, {.id = 3} },
1334 { MODKEY, XK_5, switchws, {.id = 4} },
1335 { MODKEY, XK_6, switchws, {.id = 5} },
1336 { MODKEY, XK_7, switchws, {.id = 6} },
1337 { MODKEY, XK_8, switchws, {.id = 7} },
1338 { MODKEY, XK_9, switchws, {.id = 8} },
1339 { MODKEY, XK_0, switchws, {.id = 9} },
1340 { MODKEY, XK_Right, cyclews, {.id = SWM_ARG_ID_CYCLEWS_UP} },
1341 { MODKEY, XK_Left, cyclews, {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
1342 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1343 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1344 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1345 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1346 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1347 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1348 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1349 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1350 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1351 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1352 { MODKEY, XK_b, bar_toggle, {0} },
1353 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1354 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1355 };
1356
1357 void
1358 updatenumlockmask(void)
1359 {
1360 unsigned int i, j;
1361 XModifierKeymap *modmap;
1362
1363 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
1364 numlockmask = 0;
1365 modmap = XGetModifierMapping(display);
1366 for (i = 0; i < 8; i++)
1367 for (j = 0; j < modmap->max_keypermod; j++)
1368 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1369 == XKeysymToKeycode(display, XK_Num_Lock))
1370 numlockmask = (1 << i);
1371
1372 XFreeModifiermap(modmap);
1373 }
1374
1375 void
1376 grabkeys(void)
1377 {
1378 unsigned int i, j, k;
1379 KeyCode code;
1380 unsigned int modifiers[] =
1381 { 0, LockMask, numlockmask, numlockmask | LockMask };
1382
1383 DNPRINTF(SWM_D_MISC, "grabkeys\n");
1384 updatenumlockmask();
1385
1386 for (k = 0; k < ScreenCount(display); k++) {
1387 if (TAILQ_EMPTY(&screens[k].rl))
1388 continue;
1389 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
1390 for (i = 0; i < LENGTH(keys); i++) {
1391 if ((code = XKeysymToKeycode(display, keys[i].keysym)))
1392 for (j = 0; j < LENGTH(modifiers); j++)
1393 XGrabKey(display, code,
1394 keys[i].mod | modifiers[j],
1395 screens[k].root, True,
1396 GrabModeAsync, GrabModeAsync);
1397 }
1398 }
1399 }
1400 void
1401 expose(XEvent *e)
1402 {
1403 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
1404 }
1405
1406 void
1407 keypress(XEvent *e)
1408 {
1409 unsigned int i;
1410 KeySym keysym;
1411 XKeyEvent *ev = &e->xkey;
1412
1413 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
1414
1415 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
1416 for (i = 0; i < LENGTH(keys); i++)
1417 if (keysym == keys[i].keysym
1418 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1419 && keys[i].func)
1420 keys[i].func(root_to_region(ev->root),
1421 &(keys[i].args));
1422 }
1423
1424 void
1425 buttonpress(XEvent *e)
1426 {
1427 XButtonPressedEvent *ev = &e->xbutton;
1428 #ifdef SWM_CLICKTOFOCUS
1429 struct ws_win *win;
1430 struct workspace *ws;
1431 struct swm_region *r;
1432 #endif
1433
1434 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
1435
1436 if (ev->window == ev->root) {
1437 rootclick = ev->root;
1438 return;
1439 }
1440 if (ev->window == cur_focus->id)
1441 return;
1442 #ifdef SWM_CLICKTOFOCUS
1443 r = root_to_region(ev->root);
1444 ws = r->ws;
1445 TAILQ_FOREACH(win, &ws->winlist, entry)
1446 if (win->id == ev->window) {
1447 /* focus in the clicked window */
1448 XSetWindowBorder(display, ev->window, 0xff0000);
1449 XSetWindowBorder(display, ws->focus->id, 0x888888);
1450 XSetInputFocus(display, ev->window, RevertToPointerRoot,
1451 CurrentTime);
1452 ws->focus = win;
1453 XSync(display, False);
1454 break;
1455 }
1456 #endif
1457 }
1458
1459 void
1460 set_win_state(struct ws_win *win, long state)
1461 {
1462 long data[] = {state, None};
1463
1464 DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1465
1466 XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1467 (unsigned char *)data, 2);
1468 }
1469
1470 struct ws_win *
1471 manage_window(Window id, struct workspace *ws)
1472 {
1473 Window trans;
1474 struct ws_win *win;
1475 XClassHint ch;
1476
1477 TAILQ_FOREACH(win, &ws->winlist, entry) {
1478 if (win->id == id)
1479 return (win); /* already being managed */
1480 }
1481
1482 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
1483 errx(1, "calloc: failed to allocate memory for new window");
1484
1485 win->id = id;
1486 win->ws = ws;
1487 win->s = ws->r->s; /* this never changes */
1488 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
1489
1490 /* make new win focused */
1491 focus_win(win);
1492
1493 XGetTransientForHint(display, win->id, &trans);
1494 if (trans) {
1495 win->transient = trans;
1496 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
1497 (unsigned)win->id, win->transient);
1498 }
1499 XGetWindowAttributes(display, id, &win->wa);
1500 win->g.w = win->wa.width;
1501 win->g.h = win->wa.height;
1502 win->g.x = win->wa.x;
1503 win->g.y = win->wa.y;
1504
1505 /* XXX make this a table */
1506 bzero(&ch, sizeof ch);
1507 if (XGetClassHint(display, win->id, &ch)) {
1508 /*fprintf(stderr, "class: %s name: %s\n", ch.res_class, ch.res_name); */
1509 if (!strcmp(ch.res_class, "MPlayer") && !strcmp(ch.res_name, "xv")) {
1510 win->floating = 1;
1511 }
1512 if (ch.res_class)
1513 XFree(ch.res_class);
1514 if (ch.res_name)
1515 XFree(ch.res_name);
1516 }
1517
1518 XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
1519 PropertyChangeMask | StructureNotifyMask);
1520
1521 set_win_state(win, NormalState);
1522
1523 return (win);
1524 }
1525
1526 void
1527 configurerequest(XEvent *e)
1528 {
1529 XConfigureRequestEvent *ev = &e->xconfigurerequest;
1530 struct ws_win *win;
1531 int new = 1;
1532 XWindowChanges wc;
1533
1534 if ((win = find_window(ev->window)) == NULL)
1535 new = 1;
1536
1537 if (new) {
1538 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
1539 ev->window);
1540 bzero(&wc, sizeof wc);
1541 wc.x = ev->x;
1542 wc.y = ev->y;
1543 wc.width = ev->width;
1544 wc.height = ev->height;
1545 wc.border_width = ev->border_width;
1546 wc.sibling = ev->above;
1547 wc.stack_mode = ev->detail;
1548 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
1549 } else {
1550 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
1551 ev->window);
1552 if (win->floating) {
1553 if (ev->value_mask & CWX)
1554 win->g.x = ev->x;
1555 if (ev->value_mask & CWY)
1556 win->g.y = ev->y;
1557 if (ev->value_mask & CWWidth)
1558 win->g.w = ev->width;
1559 if (ev->value_mask & CWHeight)
1560 win->g.h = ev->height;
1561 if (win->ws->r != NULL) {
1562 /* this seems to be full screen */
1563 if (win->g.w > WIDTH(win->ws->r)) {
1564 /* kill border */
1565 win->g.x -= 1;
1566 win->g.w += 1;
1567 }
1568 if (win->g.h > HEIGHT(win->ws->r)) {
1569 /* kill border */
1570 win->g.y -= 1;
1571 win->g.h += 1;
1572 }
1573 }
1574 if ((ev->value_mask & (CWX|CWY)) &&
1575 !(ev->value_mask & (CWWidth|CWHeight)))
1576 config_win(win);
1577 XMoveResizeWindow(display, win->id,
1578 win->g.x, win->g.y, win->g.w, win->g.h);
1579 } else
1580 config_win(win);
1581 }
1582 }
1583
1584 void
1585 configurenotify(XEvent *e)
1586 {
1587 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
1588 e->xconfigure.window);
1589 }
1590
1591 void
1592 destroynotify(XEvent *e)
1593 {
1594 struct ws_win *win;
1595 XDestroyWindowEvent *ev = &e->xdestroywindow;
1596 struct workspace *ws;
1597
1598 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
1599
1600 if ((win = find_window(ev->window)) != NULL) {
1601 ws = win->ws;
1602 /* find a window to focus */
1603 if (ws->focus == win)
1604 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1605 if (ws->focus == NULL)
1606 ws->focus = TAILQ_FIRST(&ws->winlist);
1607 if (ws->focus == win)
1608 ws->focus = NULL;
1609 if (cur_focus == win)
1610 focus_win(ws->focus);
1611
1612 TAILQ_REMOVE(&ws->winlist, win, entry);
1613 set_win_state(win, WithdrawnState);
1614 free(win);
1615 }
1616 stack();
1617 }
1618
1619 void
1620 enternotify(XEvent *e)
1621 {
1622 XCrossingEvent *ev = &e->xcrossing;
1623 struct ws_win *win;
1624 int i, j;
1625
1626 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
1627
1628 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
1629 ev->window != ev->root)
1630 return;
1631 if (ignore_enter) {
1632 /* eat event(r) to prevent autofocus */
1633 ignore_enter--;
1634 return;
1635 }
1636 /* brute force for now */
1637 for (i = 0; i < ScreenCount(display); i++) {
1638 for (j = 0; j < SWM_WS_MAX; j++) {
1639 TAILQ_FOREACH(win, &screens[i].ws[j].winlist , entry) {
1640 if (win->id == ev->window)
1641 focus_win(win);
1642 }
1643 }
1644 }
1645 }
1646
1647 void
1648 focusin(XEvent *e)
1649 {
1650 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
1651
1652 /* XXX this probably needs better handling now.
1653 if (ev->window == ev->root)
1654 return;
1655 */
1656 /*
1657 * kill grab for now so that we can cut and paste , this screws up
1658 * click to focus
1659 */
1660 /*
1661 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
1662 XGrabButton(display, Button1, AnyModifier, ev->window, False,
1663 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
1664 */
1665 }
1666
1667 void
1668 mappingnotify(XEvent *e)
1669 {
1670 XMappingEvent *ev = &e->xmapping;
1671
1672 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
1673
1674 XRefreshKeyboardMapping(ev);
1675 if (ev->request == MappingKeyboard)
1676 grabkeys();
1677 }
1678
1679 void
1680 maprequest(XEvent *e)
1681 {
1682 XMapRequestEvent *ev = &e->xmaprequest;
1683 XWindowAttributes wa;
1684 struct swm_region *r;
1685
1686 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
1687 e->xmaprequest.window);
1688
1689 if (!XGetWindowAttributes(display, ev->window, &wa))
1690 return;
1691 if (wa.override_redirect)
1692 return;
1693 r = root_to_region(wa.root);
1694 manage_window(e->xmaprequest.window, r->ws);
1695 stack();
1696 }
1697
1698 void
1699 propertynotify(XEvent *e)
1700 {
1701 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
1702 e->xproperty.window);
1703 }
1704
1705 void
1706 unmapnotify(XEvent *e)
1707 {
1708 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
1709 }
1710
1711 void
1712 visibilitynotify(XEvent *e)
1713 {
1714 int i;
1715 struct swm_region *r;
1716
1717 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
1718 e->xvisibility.window);
1719 if (e->xvisibility.state == VisibilityUnobscured)
1720 for (i = 0; i < ScreenCount(display); i++)
1721 TAILQ_FOREACH(r, &screens[i].rl, entry)
1722 if (e->xvisibility.window == r->bar_window)
1723 bar_update();
1724 }
1725
1726 void (*handler[LASTEvent])(XEvent *) = {
1727 [Expose] = expose,
1728 [KeyPress] = keypress,
1729 [ButtonPress] = buttonpress,
1730 [ConfigureRequest] = configurerequest,
1731 [ConfigureNotify] = configurenotify,
1732 [DestroyNotify] = destroynotify,
1733 [EnterNotify] = enternotify,
1734 [FocusIn] = focusin,
1735 [MappingNotify] = mappingnotify,
1736 [MapRequest] = maprequest,
1737 [PropertyNotify] = propertynotify,
1738 [UnmapNotify] = unmapnotify,
1739 [VisibilityNotify] = visibilitynotify,
1740 };
1741
1742 int
1743 xerror_start(Display *d, XErrorEvent *ee)
1744 {
1745 other_wm = 1;
1746 return (-1);
1747 }
1748
1749 int
1750 xerror(Display *d, XErrorEvent *ee)
1751 {
1752 /* fprintf(stderr, "error: %p %p\n", display, ee); */
1753 return (-1);
1754 }
1755
1756 int
1757 active_wm(void)
1758 {
1759 other_wm = 0;
1760 xerrorxlib = XSetErrorHandler(xerror_start);
1761
1762 /* this causes an error if some other window manager is running */
1763 XSelectInput(display, DefaultRootWindow(display),
1764 SubstructureRedirectMask);
1765 XSync(display, False);
1766 if (other_wm)
1767 return (1);
1768
1769 XSetErrorHandler(xerror);
1770 XSync(display, False);
1771 return (0);
1772 }
1773
1774 long
1775 getstate(Window w)
1776 {
1777 int format, status;
1778 long result = -1;
1779 unsigned char *p = NULL;
1780 unsigned long n, extra;
1781 Atom real;
1782
1783 astate = XInternAtom(display, "WM_STATE", False);
1784 status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
1785 &real, &format, &n, &extra, (unsigned char **)&p);
1786 if (status != Success)
1787 return (-1);
1788 if (n != 0)
1789 result = *p;
1790 XFree(p);
1791 return (result);
1792 }
1793
1794 void
1795 new_region(struct swm_screen *s, struct workspace *ws,
1796 int x, int y, int w, int h)
1797 {
1798 struct swm_region *r;
1799
1800 DNPRINTF(SWM_D_MISC, "new region on screen %d: %dx%d (%d, %d)\n",
1801 s->idx, x, y, w, h);
1802
1803 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
1804 errx(1, "calloc: failed to allocate memory for screen");
1805
1806 X(r) = x;
1807 Y(r) = y;
1808 WIDTH(r) = w;
1809 HEIGHT(r) = h;
1810 r->s = s;
1811 r->ws = ws;
1812 ws->r = r;
1813 TAILQ_INSERT_TAIL(&s->rl, r, entry);
1814 bar_setup(r);
1815 }
1816
1817 void
1818 setup_screens(void)
1819 {
1820 #ifdef SWM_XRR_HAS_CRTC
1821 XRRCrtcInfo *ci;
1822 XRRScreenResources *sr;
1823 int c;
1824 #endif /* SWM_XRR_HAS_CRTC */
1825 Window d1, d2, *wins = NULL;
1826 XWindowAttributes wa;
1827 struct swm_region *r;
1828 unsigned int no;
1829 int errorbase, major, minor;
1830 int ncrtc = 0, w = 0;
1831 int i, j, k;
1832 struct workspace *ws;
1833
1834 if ((screens = calloc(ScreenCount(display),
1835 sizeof(struct swm_screen))) == NULL)
1836 errx(1, "calloc: screens");
1837
1838 /* map physical screens */
1839 for (i = 0; i < ScreenCount(display); i++) {
1840 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
1841 screens[i].idx = i;
1842 TAILQ_INIT(&screens[i].rl);
1843 screens[i].root = RootWindow(display, i);
1844 XGetWindowAttributes(display, screens[i].root, &wa);
1845 XSelectInput(display, screens[i].root,
1846 ButtonPressMask | wa.your_event_mask);
1847
1848 /* set default colors */
1849 screens[i].color_focus = name_to_color("red");
1850 screens[i].color_unfocus = name_to_color("rgb:88/88/88");
1851 screens[i].bar_border = name_to_color("rgb:00/80/80");
1852 screens[i].bar_color = name_to_color("black");
1853 screens[i].bar_font_color = name_to_color("rgb:a0/a0/a0");
1854
1855 /* init all workspaces */
1856 for (j = 0; j < SWM_WS_MAX; j++) {
1857 ws = &screens[i].ws[j];
1858 ws->idx = j;
1859 ws->restack = 1;
1860 ws->focus = NULL;
1861 ws->r = NULL;
1862 TAILQ_INIT(&ws->winlist);
1863
1864 for (k = 0; layouts[k].l_stack != NULL; k++)
1865 if (layouts[k].l_config != NULL)
1866 layouts[k].l_config(ws,
1867 SWM_ARG_ID_STACKINIT);
1868 ws->cur_layout = &layouts[0];
1869 }
1870
1871 /* map virtual screens onto physical screens */
1872 screens[i].xrandr_support = XRRQueryExtension(display,
1873 &xrandr_eventbase, &errorbase);
1874 if (screens[i].xrandr_support)
1875 if (XRRQueryVersion(display, &major, &minor) &&
1876 major < 1)
1877 screens[i].xrandr_support = 0;
1878
1879 #if 0 /* not ready for dynamic screen changes */
1880 if (screens[i].xrandr_support)
1881 XRRSelectInput(display,
1882 screens[r->s].root,
1883 RRScreenChangeNotifyMask);
1884 #endif
1885
1886 /* grab existing windows (before we build the bars)*/
1887 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
1888 continue;
1889
1890 #ifdef SWM_XRR_HAS_CRTC
1891 sr = XRRGetScreenResources(display, screens[i].root);
1892 if (sr == NULL)
1893 new_region(&screens[i], &screens[i].ws[w],
1894 0, 0, DisplayWidth(display, i),
1895 DisplayHeight(display, i));
1896 else
1897 ncrtc = sr->ncrtc;
1898
1899 for (c = 0; c < ncrtc; c++) {
1900 ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
1901 if (ci->noutput == 0)
1902 continue;
1903
1904 if (ci != NULL && ci->mode == None)
1905 new_region(&screens[i], &screens[i].ws[w], 0, 0,
1906 DisplayWidth(display, i),
1907 DisplayHeight(display, i));
1908 else
1909 new_region(&screens[i], &screens[i].ws[w],
1910 ci->x, ci->y, ci->width, ci->height);
1911 w++;
1912 }
1913 XRRFreeCrtcInfo(ci);
1914 XRRFreeScreenResources(sr);
1915 #else
1916 new_region(&screens[i], &screens[i].ws[w], 0, 0,
1917 DisplayWidth(display, i),
1918 DisplayHeight(display, i));
1919 #endif /* SWM_XRR_HAS_CRTC */
1920
1921 /* attach windows to a region */
1922 /* normal windows */
1923 if ((r = TAILQ_FIRST(&screens[i].rl)) == NULL)
1924 errx(1, "no regions on screen %d", i);
1925
1926 for (i = 0; i < no; i++) {
1927 XGetWindowAttributes(display, wins[i], &wa);
1928 if (!XGetWindowAttributes(display, wins[i], &wa) ||
1929 wa.override_redirect ||
1930 XGetTransientForHint(display, wins[i], &d1))
1931 continue;
1932
1933 if (wa.map_state == IsViewable ||
1934 getstate(wins[i]) == NormalState)
1935 manage_window(wins[i], r->ws);
1936 }
1937 /* transient windows */
1938 for (i = 0; i < no; i++) {
1939 if (!XGetWindowAttributes(display, wins[i], &wa))
1940 continue;
1941
1942 if (XGetTransientForHint(display, wins[i], &d1) &&
1943 (wa.map_state == IsViewable || getstate(wins[i]) ==
1944 NormalState))
1945 manage_window(wins[i], r->ws);
1946 }
1947 if (wins) {
1948 XFree(wins);
1949 wins = NULL;
1950 }
1951 }
1952 }
1953
1954 int
1955 main(int argc, char *argv[])
1956 {
1957 struct passwd *pwd;
1958 char conf[PATH_MAX], *cfile = NULL;
1959 struct stat sb;
1960 XEvent e;
1961 int xfd;
1962 fd_set rd;
1963
1964 start_argv = argv;
1965 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
1966 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
1967 warnx("no locale support");
1968
1969 if (!(display = XOpenDisplay(0)))
1970 errx(1, "can not open display");
1971
1972 if (active_wm())
1973 errx(1, "other wm running");
1974
1975 astate = XInternAtom(display, "WM_STATE", False);
1976
1977 /* look for local and global conf file */
1978 pwd = getpwuid(getuid());
1979 if (pwd == NULL)
1980 errx(1, "invalid user %d", getuid());
1981
1982 setup_screens();
1983
1984 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
1985 if (stat(conf, &sb) != -1) {
1986 if (S_ISREG(sb.st_mode))
1987 cfile = conf;
1988 } else {
1989 /* try global conf file */
1990 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
1991 if (!stat(conf, &sb))
1992 if (S_ISREG(sb.st_mode))
1993 cfile = conf;
1994 }
1995 if (cfile)
1996 conf_load(cfile);
1997 bar_refresh();
1998
1999 /* ws[0].focus = TAILQ_FIRST(&ws[0].winlist); */
2000
2001 grabkeys();
2002 stack();
2003
2004 xfd = ConnectionNumber(display);
2005 while (running) {
2006 FD_SET(xfd, &rd);
2007 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
2008 if (errno != EINTR)
2009 errx(1, "select failed");
2010 if (bar_alarm) {
2011 bar_alarm = 0;
2012 bar_update();
2013 }
2014 while(XPending(display)) {
2015 XNextEvent(display, &e);
2016 if (handler[e.type])
2017 handler[e.type](&e);
2018 }
2019 }
2020
2021 XCloseDisplay(display);
2022
2023 return (0);
2024 }
spectrwm is a small dynamic tiling and reparenting window manager for X11