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Simplify selection of the current region; just always track the cursor.
[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 #ifdef SWM_DEBUG
94 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
95 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
96 #define SWM_D_MISC 0x0001
97 #define SWM_D_EVENT 0x0002
98 #define SWM_D_WS 0x0004
99 #define SWM_D_FOCUS 0x0008
100 #define SWM_D_MOVE 0x0010
101 #define SWM_D_STACK 0x0020
102
103 u_int32_t swm_debug = 0
104 | SWM_D_MISC
105 | SWM_D_EVENT
106 | SWM_D_WS
107 | SWM_D_FOCUS
108 | SWM_D_MOVE
109 | SWM_D_STACK
110 ;
111 #else
112 #define DPRINTF(x...)
113 #define DNPRINTF(n,x...)
114 #endif
115
116 #define LENGTH(x) (sizeof x / sizeof x[0])
117 #define MODKEY Mod1Mask
118 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
119
120 #define X(r) (r)->g.x
121 #define Y(r) (r)->g.y
122 #define WIDTH(r) (r)->g.w
123 #define HEIGHT(r) (r)->g.h
124
125 char **start_argv;
126 Atom astate;
127 int (*xerrorxlib)(Display *, XErrorEvent *);
128 int other_wm;
129 int running = 1;
130 int xrandr_eventbase;
131 int ignore_enter = 0;
132 unsigned int numlockmask = 0;
133 Display *display;
134
135 int cycle_empty = 0;
136 int cycle_visible = 0;
137
138 /* dialog windows */
139 double dialog_ratio = .6;
140 /* status bar */
141 #define SWM_BAR_MAX (128)
142 sig_atomic_t bar_alarm = 0;
143 int bar_enabled = 1;
144 int bar_verbose = 1;
145 int bar_height = 0;
146 GC bar_gc;
147 XGCValues bar_gcv;
148 XFontStruct *bar_fs;
149 char *bar_fonts[] = {
150 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
151 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
152 NULL
153 };
154
155 /* terminal + args */
156 char *spawn_term[] = { "xterm", NULL };
157 char *spawn_menu[] = { "dmenu_run", NULL };
158
159 /* layout manager data */
160 struct swm_geometry {
161 int x;
162 int y;
163 int w;
164 int h;
165 };
166
167 struct swm_screen;
168 struct workspace;
169
170 /* virtual "screens" */
171 struct swm_region {
172 TAILQ_ENTRY(swm_region) entry;
173 struct swm_geometry g;
174 Window bar_window;
175 struct workspace *ws; /* current workspace on this region */
176 struct swm_screen *s; /* screen idx */
177 };
178 TAILQ_HEAD(swm_region_list, swm_region);
179
180
181 struct ws_win {
182 TAILQ_ENTRY(ws_win) entry;
183 Window id;
184 struct swm_geometry g;
185 int got_focus;
186 int floating;
187 int transient;
188 struct workspace *ws; /* always valid */
189 struct swm_screen *s; /* always valid, never changes */
190 XWindowAttributes wa;
191 };
192 TAILQ_HEAD(ws_win_list, ws_win);
193
194 /* layout handlers */
195 void stack(void);
196 void vertical_config(struct workspace *, int);
197 void vertical_stack(struct workspace *, struct swm_geometry *);
198 void horizontal_config(struct workspace *, int);
199 void horizontal_stack(struct workspace *, struct swm_geometry *);
200 void max_stack(struct workspace *, struct swm_geometry *);
201
202 struct layout {
203 void (*l_stack)(struct workspace *, struct swm_geometry *);
204 void (*l_config)(struct workspace *, int);
205 } layouts[] = {
206 /* stack, configure */
207 { vertical_stack, vertical_config},
208 { horizontal_stack, horizontal_config},
209 { max_stack, NULL},
210 { NULL, NULL},
211 };
212
213 #define SWM_H_SLICE (32)
214 #define SWM_V_SLICE (32)
215
216 /* define work spaces */
217 struct workspace {
218 int idx; /* workspace index */
219 int restack; /* restack on switch */
220 struct layout *cur_layout; /* current layout handlers */
221 struct ws_win *focus; /* may be NULL */
222 struct swm_region *r; /* may be NULL */
223 struct ws_win_list winlist; /* list of windows in ws */
224
225 /* stacker state */
226 struct {
227 int horizontal_msize;
228 int horizontal_mwin;
229 int vertical_msize;
230 int vertical_mwin;
231 } l_state;
232 };
233
234 /* physical screen mapping */
235 #define SWM_WS_MAX (10) /* XXX Too small? */
236 struct swm_screen {
237 int idx; /* screen index */
238 struct swm_region_list rl; /* list of regions on this screen */
239 Window root;
240 int xrandr_support;
241 struct workspace ws[SWM_WS_MAX];
242
243 /* colors */
244 unsigned long bar_border;
245 unsigned long bar_color;
246 unsigned long bar_font_color;
247 unsigned long color_focus; /* XXX should this be per ws? */
248 unsigned long color_unfocus;
249 };
250 struct swm_screen *screens;
251 int num_screens;
252
253 struct ws_win *cur_focus = NULL;
254
255 /* args to functions */
256 union arg {
257 int id;
258 #define SWM_ARG_ID_FOCUSNEXT (0)
259 #define SWM_ARG_ID_FOCUSPREV (1)
260 #define SWM_ARG_ID_FOCUSMAIN (2)
261 #define SWM_ARG_ID_SWAPNEXT (3)
262 #define SWM_ARG_ID_SWAPPREV (4)
263 #define SWM_ARG_ID_SWAPMAIN (5)
264 #define SWM_ARG_ID_MASTERSHRINK (6)
265 #define SWM_ARG_ID_MASTERGROW (7)
266 #define SWM_ARG_ID_MASTERADD (8)
267 #define SWM_ARG_ID_MASTERDEL (9)
268 #define SWM_ARG_ID_STACKRESET (10)
269 #define SWM_ARG_ID_STACKINIT (11)
270 #define SWM_ARG_ID_CYCLEWS_UP (12)
271 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
272 char **argv;
273 };
274
275 unsigned long
276 name_to_color(char *colorname)
277 {
278 Colormap cmap;
279 Status status;
280 XColor screen_def, exact_def;
281 unsigned long result = 0;
282 char cname[32] = "#";
283
284 cmap = DefaultColormap(display, screens[0].idx);
285 status = XAllocNamedColor(display, cmap, colorname,
286 &screen_def, &exact_def);
287 if (!status) {
288 strlcat(cname, colorname + 2, sizeof cname - 1);
289 status = XAllocNamedColor(display, cmap, cname, &screen_def,
290 &exact_def);
291 }
292 if (status)
293 result = screen_def.pixel;
294 else
295 fprintf(stderr, "color '%s' not found.\n", colorname);
296
297 return (result);
298 }
299
300 int
301 varmatch(char *var, char *name, int *index)
302 {
303 char *p, buf[5];
304 int i;
305
306 i = strncmp(var, name, 255);
307 if (index == NULL)
308 return (i);
309
310 *index = -1;
311 if (i <= 0)
312 return (i);
313 p = var + strlen(name);
314 if (*p++ != '[')
315 return (i);
316 bzero(buf, sizeof buf);
317 i = 0;
318 while (isdigit(*p) && i < sizeof buf)
319 buf[i++] = *p++;
320 if (i == 0 || i >= sizeof buf || *p != ']')
321 return (1);
322 *index = strtonum(buf, 0, 99, NULL);
323 return (0);
324 }
325
326 /* conf file stuff */
327 #define SWM_CONF_WS "\n= \t"
328 #define SWM_CONF_FILE "scrotwm.conf"
329 int
330 conf_load(char *filename)
331 {
332 FILE *config;
333 char *line, *cp, *var, *val;
334 size_t len, lineno = 0;
335 int i, sc;
336
337 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
338
339 if (filename == NULL)
340 return (1);
341
342 if ((config = fopen(filename, "r")) == NULL)
343 return (1);
344
345 for (sc = ScreenCount(display);;) {
346 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
347 if (feof(config))
348 break;
349 cp = line;
350 cp += (long)strspn(cp, SWM_CONF_WS);
351 if (cp[0] == '\0') {
352 /* empty line */
353 free(line);
354 continue;
355 }
356 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
357 break;
358 cp += (long)strspn(cp, SWM_CONF_WS);
359 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
360 break;
361
362 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
363 switch (var[0]) {
364 case 'b':
365 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
366 bar_enabled = atoi(val);
367 else if (!varmatch(var, "bar_border", &i))
368 if (i > 0 && i <= sc)
369 screens[i - 1].bar_border =
370 name_to_color(val);
371 else if (i == -1)
372 for (i = 0; i < sc; i++)
373 screens[i].bar_border =
374 name_to_color(val);
375 else
376 goto badidx;
377 else if (!varmatch(var, "bar_color", &i))
378 if (i > 0 && i <= sc)
379 screens[i - 1].bar_color =
380 name_to_color(val);
381 else if (i == -1)
382 for (i = 0; i < sc; i++)
383 screens[i].bar_color =
384 name_to_color(val);
385 else
386 goto badidx;
387 else if (!varmatch(var, "bar_font_color", &i))
388 if (i > 0 && i <= sc)
389 screens[i - 1].bar_font_color =
390 name_to_color(val);
391 else if (i == -1)
392 for (i = 0; i < sc; i++)
393 screens[i].bar_font_color =
394 name_to_color(val);
395 else
396 goto badidx;
397
398 else if (!strncmp(var, "bar_font", strlen("bar_font")))
399 asprintf(&bar_fonts[0], "%s", val);
400 else
401 goto bad;
402 break;
403
404 case 'c':
405 if (!varmatch(var, "color_focus", &i))
406 if (i > 0 && i <= sc)
407 screens[i - 1].color_focus =
408 name_to_color(val);
409 else if (i == -1)
410 for (i = 0; i < sc; i++)
411 screens[i].color_focus =
412 name_to_color(val);
413 else
414 goto badidx;
415 else if (!varmatch(var, "color_unfocus", &i))
416 if (i > 0 && i <= sc)
417 screens[i - 1].color_unfocus =
418 name_to_color(val);
419 else if (i == -1)
420 for (i = 0; i < sc; i++)
421 screens[i].color_unfocus =
422 name_to_color(val);
423 else
424 goto badidx;
425 else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
426 cycle_visible = atoi(val);
427 else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
428 cycle_visible = atoi(val);
429 else
430 goto bad;
431 break;
432
433 case 'd':
434 if (!strncmp(var, "dialog_ratio",
435 strlen("dialog_ratio"))) {
436 dialog_ratio = atof(val);
437 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
438 dialog_ratio = .6;
439 } else
440 goto bad;
441 break;
442
443 case 's':
444 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
445 asprintf(&spawn_term[0], "%s", val); /* XXX args? */
446 break;
447 default:
448 goto bad;
449 }
450 free(line);
451 }
452
453 fclose(config);
454 return (0);
455 bad:
456 errx(1, "invalid conf file entry: %s=%s", var, val);
457 badidx:
458 errx(1, "invalid screen index: %s out of bounds", var);
459 }
460
461 void
462 bar_print(struct swm_region *r, char *s)
463 {
464 XClearWindow(display, r->bar_window);
465 XSetForeground(display, bar_gc, r->s->bar_font_color);
466 XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
467 strlen(s));
468 }
469
470 void
471 bar_update(void)
472 {
473 time_t tmt;
474 struct tm tm;
475 struct swm_region *r;
476 int i, x;
477 char s[SWM_BAR_MAX];
478 char e[SWM_BAR_MAX];
479
480 if (bar_enabled == 0)
481 return;
482
483 time(&tmt);
484 localtime_r(&tmt, &tm);
485 strftime(s, sizeof s, "%a %b %d %R %Z %Y", &tm);
486 for (i = 0; i < ScreenCount(display); i++) {
487 x = 1;
488 TAILQ_FOREACH(r, &screens[i].rl, entry) {
489 snprintf(e, sizeof e, "%s %d:%d",
490 s, x++, r->ws->idx + 1);
491 bar_print(r, e);
492 }
493 }
494 XSync(display, False);
495 alarm(60);
496 }
497
498 void
499 bar_signal(int sig)
500 {
501 bar_alarm = 1;
502 }
503
504 void
505 bar_toggle(struct swm_region *r, union arg *args)
506 {
507 struct swm_region *tmpr;
508 int i, j, sc = ScreenCount(display);
509
510 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
511
512 if (bar_enabled) {
513 for (i = 0; i < sc; i++)
514 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
515 XUnmapWindow(display, tmpr->bar_window);
516 } else {
517 for (i = 0; i < sc; i++)
518 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
519 XMapRaised(display, tmpr->bar_window);
520 }
521 bar_enabled = !bar_enabled;
522 XSync(display, False);
523 for (i = 0; i < sc; i++)
524 for (j = 0; j < SWM_WS_MAX; j++)
525 screens[i].ws[j].restack = 1;
526
527 stack();
528 /* must be after stack */
529 for (i = 0; i < sc; i++)
530 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
531 bar_update();
532 }
533
534 void
535 bar_setup(struct swm_region *r)
536 {
537 int i;
538
539 for (i = 0; bar_fonts[i] != NULL; i++) {
540 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
541 if (bar_fs)
542 break;
543 }
544 if (bar_fonts[i] == NULL)
545 errx(1, "couldn't load font");
546 bar_height = bar_fs->ascent + bar_fs->descent + 3;
547
548 r->bar_window = XCreateSimpleWindow(display,
549 r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
550 1, r->s->bar_border, r->s->bar_color);
551 bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
552 XSetFont(display, bar_gc, bar_fs->fid);
553 XSelectInput(display, r->bar_window, VisibilityChangeMask);
554 if (bar_enabled)
555 XMapRaised(display, r->bar_window);
556 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
557
558 if (signal(SIGALRM, bar_signal) == SIG_ERR)
559 err(1, "could not install bar_signal");
560 bar_update();
561 }
562
563 void
564 bar_refresh(void)
565 {
566 XSetWindowAttributes wa;
567 struct swm_region *r;
568 int i;
569
570 bzero(&wa, sizeof wa);
571 for (i = 0; i < ScreenCount(display); i++)
572 TAILQ_FOREACH(r, &screens[i].rl, entry) {
573 wa.border_pixel = screens[i].bar_border;
574 wa.background_pixel = screens[i].bar_color;
575 XChangeWindowAttributes(display, r->bar_window,
576 CWBackPixel | CWBorderPixel, &wa);
577 }
578 bar_update();
579 }
580
581 void
582 config_win(struct ws_win *win)
583 {
584 XConfigureEvent ce;
585
586 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
587 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
588 ce.type = ConfigureNotify;
589 ce.display = display;
590 ce.event = win->id;
591 ce.window = win->id;
592 ce.x = win->g.x;
593 ce.y = win->g.y;
594 ce.width = win->g.w;
595 ce.height = win->g.h;
596 ce.border_width = 1; /* XXX store this! */
597 ce.above = None;
598 ce.override_redirect = False;
599 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
600 }
601
602 int
603 count_win(struct workspace *ws, int count_transient)
604 {
605 struct ws_win *win;
606 int count = 0;
607
608 TAILQ_FOREACH(win, &ws->winlist, entry) {
609 if (count_transient == 0 && win->floating)
610 continue;
611 if (count_transient == 0 && win->transient)
612 continue;
613 count++;
614 }
615 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
616
617 return (count);
618 }
619
620 void
621 quit(struct swm_region *r, union arg *args)
622 {
623 DNPRINTF(SWM_D_MISC, "quit\n");
624 running = 0;
625 }
626
627 void
628 restart(struct swm_region *r, union arg *args)
629 {
630 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
631
632 /* disable alarm because the following code may not be interrupted */
633 alarm(0);
634 if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
635 errx(1, "can't disable alarm");
636
637 XCloseDisplay(display);
638 execvp(start_argv[0], start_argv);
639 fprintf(stderr, "execvp failed\n");
640 perror(" failed");
641 quit(NULL, NULL);
642 }
643
644 struct swm_region *
645 root_to_region(Window root)
646 {
647 struct swm_region *r;
648 Window rr, cr;
649 int i, x, y, wx, wy;
650 unsigned int mask;
651
652 for (i = 0; i < ScreenCount(display); i++)
653 if (screens[i].root == root)
654 break;
655
656 if (XQueryPointer(display, screens[i].root,
657 &rr, &cr, &x, &y, &wx, &wy, &mask) == False) {
658 /* if we can't query the pointer, grab the first region */
659 r = TAILQ_FIRST(&screens[i].rl);
660 } else {
661 /* otherwise, choose a region based on pointer location */
662 TAILQ_FOREACH(r, &screens[i].rl, entry) {
663 if (x > X(r) && x < X(r) + WIDTH(r) &&
664 y > Y(r) && y < Y(r) + HEIGHT(r))
665 break;
666 }
667
668 if (r == NULL)
669 r = TAILQ_FIRST(&screens[i].rl);
670 }
671 return (r);
672 }
673
674 struct ws_win *
675 find_window(Window id)
676 {
677 struct ws_win *win;
678 int i, j;
679
680 for (i = 0; i < ScreenCount(display); i++)
681 for (j = 0; j < SWM_WS_MAX; j++)
682 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
683 if (id == win->id)
684 return (win);
685 return (NULL);
686 }
687
688 void
689 spawn(struct swm_region *r, union arg *args)
690 {
691 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
692 /*
693 * The double-fork construct avoids zombie processes and keeps the code
694 * clean from stupid signal handlers.
695 */
696 if (fork() == 0) {
697 if (fork() == 0) {
698 if (display)
699 close(ConnectionNumber(display));
700 setsid();
701 execvp(args->argv[0], args->argv);
702 fprintf(stderr, "execvp failed\n");
703 perror(" failed");
704 }
705 exit(0);
706 }
707 wait(0);
708 }
709
710 void
711 unfocus_all(void)
712 {
713 struct ws_win *win;
714 int i, j;
715
716 DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
717
718 for (i = 0; i < ScreenCount(display); i++)
719 for (j = 0; j < SWM_WS_MAX; j++)
720 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
721 if (win->ws->r == NULL)
722 continue;
723 XSetWindowBorder(display, win->id,
724 win->ws->r->s->color_unfocus);
725 win->got_focus = 0;
726 win->ws->focus = NULL;
727 cur_focus = NULL;
728 }
729 }
730
731 void
732 focus_win(struct ws_win *win)
733 {
734 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
735
736 if (win == NULL)
737 return;
738
739 unfocus_all();
740 win->ws->focus = win;
741 if (win->ws->r != NULL) {
742 cur_focus = win;
743 if (!win->got_focus)
744 XSetWindowBorder(display, win->id,
745 win->ws->r->s->color_focus);
746 win->got_focus = 1;
747 XSetInputFocus(display, win->id,
748 RevertToPointerRoot, CurrentTime);
749 }
750 }
751
752 void
753 switchws(struct swm_region *r, union arg *args)
754 {
755 int wsid = args->id;
756 struct swm_region *this_r, *other_r;
757 struct ws_win *win;
758 struct workspace *new_ws, *old_ws;
759
760 this_r = r;
761 old_ws = this_r->ws;
762 new_ws = &this_r->s->ws[wsid];
763
764 DNPRINTF(SWM_D_WS, "switchws screen %d region %dx%d+%d+%d: "
765 "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
766 old_ws->idx, wsid);
767
768 if (new_ws == old_ws)
769 return;
770
771 other_r = new_ws->r;
772 if (!other_r) {
773 /* if the other workspace is hidden, switch windows */
774 /* map new window first to prevent ugly blinking */
775 TAILQ_FOREACH(win, &new_ws->winlist, entry)
776 XMapRaised(display, win->id);
777
778 TAILQ_FOREACH(win, &old_ws->winlist, entry)
779 XUnmapWindow(display, win->id);
780
781 old_ws->r = NULL;
782 old_ws->restack = 1;
783 } else {
784 other_r->ws = old_ws;
785 old_ws->r = other_r;
786 }
787 this_r->ws = new_ws;
788 new_ws->r = this_r;
789
790 ignore_enter = 1;
791 /* set focus */
792 if (new_ws->focus)
793 focus_win(new_ws->focus);
794 stack();
795 bar_update();
796 }
797
798 void
799 cyclews(struct swm_region *r, union arg *args)
800 {
801 union arg a;
802 struct swm_screen *s = r->s;
803
804 DNPRINTF(SWM_D_WS, "cyclews id %d "
805 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
806 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
807
808 a.id = r->ws->idx;
809
810 do {
811 switch (args->id) {
812 case SWM_ARG_ID_CYCLEWS_UP:
813 if (a.id < SWM_WS_MAX - 1)
814 a.id++;
815 else
816 a.id = 0;
817 break;
818 case SWM_ARG_ID_CYCLEWS_DOWN:
819 if (a.id > 0)
820 a.id--;
821 else
822 a.id = SWM_WS_MAX - 1;
823 break;
824 default:
825 return;
826 };
827
828 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
829 continue;
830 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
831 continue;
832
833 switchws(r, &a);
834 } while (a.id != r->ws->idx);
835 }
836
837 void
838 swapwin(struct swm_region *r, union arg *args)
839 {
840 struct ws_win *target;
841 struct ws_win_list *wl;
842
843
844 DNPRINTF(SWM_D_WS, "swapwin id %d "
845 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
846 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
847 if (cur_focus == NULL)
848 return;
849
850 wl = &cur_focus->ws->winlist;
851
852 switch (args->id) {
853 case SWM_ARG_ID_SWAPPREV:
854 target = TAILQ_PREV(cur_focus, ws_win_list, entry);
855 TAILQ_REMOVE(wl, cur_focus, entry);
856 if (target == NULL)
857 TAILQ_INSERT_TAIL(wl, cur_focus, entry);
858 else
859 TAILQ_INSERT_BEFORE(target, cur_focus, entry);
860 break;
861 case SWM_ARG_ID_SWAPNEXT:
862 target = TAILQ_NEXT(cur_focus, entry);
863 TAILQ_REMOVE(wl, cur_focus, entry);
864 if (target == NULL)
865 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
866 else
867 TAILQ_INSERT_AFTER(wl, target, cur_focus, entry);
868 break;
869 case SWM_ARG_ID_SWAPMAIN:
870 target = TAILQ_FIRST(wl);
871 if (target == cur_focus)
872 return;
873 TAILQ_REMOVE(wl, target, entry);
874 TAILQ_INSERT_BEFORE(cur_focus, target, entry);
875 TAILQ_REMOVE(wl, cur_focus, entry);
876 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
877 break;
878 default:
879 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
880 return;
881 }
882
883 ignore_enter = 2;
884 stack();
885 }
886
887 void
888 focus(struct swm_region *r, union arg *args)
889 {
890 struct ws_win *winfocus, *winlostfocus;
891 struct ws_win_list *wl;
892
893 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
894 if (cur_focus == NULL)
895 return;
896
897 wl = &cur_focus->ws->winlist;
898
899 winlostfocus = cur_focus;
900
901 switch (args->id) {
902 case SWM_ARG_ID_FOCUSPREV:
903 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
904 if (winfocus == NULL)
905 winfocus = TAILQ_LAST(wl, ws_win_list);
906 break;
907
908 case SWM_ARG_ID_FOCUSNEXT:
909 winfocus = TAILQ_NEXT(cur_focus, entry);
910 if (winfocus == NULL)
911 winfocus = TAILQ_FIRST(wl);
912 break;
913
914 case SWM_ARG_ID_FOCUSMAIN:
915 winfocus = TAILQ_FIRST(wl);
916 break;
917
918 default:
919 return;
920 }
921
922 if (winfocus == winlostfocus)
923 return;
924
925 focus_win(winfocus);
926 XSync(display, False);
927 }
928
929 void
930 cycle_layout(struct swm_region *r, union arg *args)
931 {
932 struct workspace *ws = r->ws;
933
934 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
935
936 ws->cur_layout++;
937 if (ws->cur_layout->l_stack == NULL)
938 ws->cur_layout = &layouts[0];
939 ignore_enter = 1;
940
941 stack();
942 }
943
944 void
945 stack_config(struct swm_region *r, union arg *args)
946 {
947 struct workspace *ws = r->ws;
948
949 DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
950 args->id, ws->idx);
951
952 if (ws->cur_layout->l_config != NULL)
953 ws->cur_layout->l_config(ws, args->id);
954
955 if (args->id != SWM_ARG_ID_STACKINIT);
956 stack();
957 }
958
959 void
960 stack(void) {
961 struct swm_geometry g;
962 struct swm_region *r;
963 int i, j;
964
965 DNPRINTF(SWM_D_STACK, "stack\n");
966
967 for (i = 0; i < ScreenCount(display); i++) {
968 j = 0;
969 TAILQ_FOREACH(r, &screens[i].rl, entry) {
970 DNPRINTF(SWM_D_STACK, "stacking workspace %d "
971 "(screen %d, region %d)\n", r->ws->idx, i, j++);
972
973 /* start with screen geometry, adjust for bar */
974 g = r->g;
975 g.w -= 2;
976 g.h -= 2;
977 if (bar_enabled) {
978 g.y += bar_height;
979 g.h -= bar_height;
980 }
981
982 r->ws->restack = 0;
983 r->ws->cur_layout->l_stack(r->ws, &g);
984 }
985 }
986 XSync(display, False);
987 }
988
989 void
990 stack_floater(struct ws_win *win, struct swm_region *r)
991 {
992 unsigned int mask;
993 XWindowChanges wc;
994
995 bzero(&wc, sizeof wc);
996 mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
997 wc.border_width = 1;
998 if (win->transient) {
999 win->g.w = (double)WIDTH(r) * dialog_ratio;
1000 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1001 }
1002 wc.width = win->g.w;
1003 wc.height = win->g.h;
1004 wc.x = (WIDTH(r) - win->g.w) / 2;
1005 wc.y = (HEIGHT(r) - win->g.h) / 2;
1006
1007 DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1008 win->id, wc.x, wc.y, wc.width, wc.height);
1009
1010 XConfigureWindow(display, win->id, mask, &wc);
1011 }
1012
1013
1014 void
1015 vertical_config(struct workspace *ws, int id)
1016 {
1017 DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1018
1019 switch (id) {
1020 case SWM_ARG_ID_STACKRESET:
1021 case SWM_ARG_ID_STACKINIT:
1022 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1023 ws->l_state.vertical_mwin = 1;
1024 break;
1025 case SWM_ARG_ID_MASTERSHRINK:
1026 if (ws->l_state.vertical_msize > 1)
1027 ws->l_state.vertical_msize--;
1028 break;
1029 case SWM_ARG_ID_MASTERGROW:
1030 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1031 ws->l_state.vertical_msize++;
1032 break;
1033 case SWM_ARG_ID_MASTERADD:
1034 ws->l_state.vertical_mwin++;
1035 break;
1036 case SWM_ARG_ID_MASTERDEL:
1037 if (ws->l_state.vertical_mwin > 0)
1038 ws->l_state.vertical_mwin--;
1039 break;
1040 default:
1041 return;
1042 }
1043 }
1044
1045 void
1046 vertical_stack(struct workspace *ws, struct swm_geometry *g) {
1047 XWindowChanges wc;
1048 struct swm_geometry gg = *g;
1049 struct ws_win *win, *winfocus;
1050 int i, j, split, colno, hrh, winno, main_width;
1051 unsigned int mask;
1052
1053 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1054
1055 if ((winno = count_win(ws, 0)) == 0)
1056 return;
1057
1058 if (ws->focus == NULL)
1059 ws->focus = TAILQ_FIRST(&ws->winlist);
1060 winfocus = cur_focus ? cur_focus : ws->focus;
1061
1062 if (ws->l_state.vertical_mwin &&
1063 winno > ws->l_state.vertical_mwin) {
1064 split = ws->l_state.vertical_mwin;
1065 colno = split;
1066 main_width = (g->w / SWM_V_SLICE) *
1067 ws->l_state.vertical_msize;
1068 gg.w = main_width;
1069 } else {
1070 colno = winno;
1071 split = 0;
1072 }
1073 hrh = g->h / colno;
1074 gg.h = hrh - 2;
1075
1076 i = j = 0;
1077 TAILQ_FOREACH(win, &ws->winlist, entry) {
1078 if (split && i == split) {
1079 colno = winno - split;
1080 hrh = (g->h / colno);
1081 gg.x += main_width + 2;
1082 gg.w = g->w - (main_width + 2);
1083 gg.h = hrh - 2;
1084 j = 0;
1085 }
1086 if (j == colno - 1)
1087 gg.h = (hrh + (g->h - (colno * hrh)));
1088
1089 if (j == 0)
1090 gg.y = g->y;
1091 else
1092 gg.y += hrh;
1093
1094
1095 if (win->transient != 0 || win->floating != 0)
1096 stack_floater(win, ws->r);
1097 else {
1098 bzero(&wc, sizeof wc);
1099 wc.border_width = 1;
1100 win->g.x = wc.x = gg.x;
1101 win->g.y = wc.y = gg.y;
1102 win->g.w = wc.width = gg.w;
1103 win->g.h = wc.height = gg.h;
1104 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1105 XConfigureWindow(display, win->id, mask, &wc);
1106 }
1107
1108 XMapRaised(display, win->id);
1109 i++;
1110 j++;
1111 }
1112
1113 if (winfocus)
1114 focus_win(winfocus); /* has to be done outside of the loop */
1115 }
1116
1117
1118 void
1119 horizontal_config(struct workspace *ws, int id)
1120 {
1121 DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1122
1123 switch (id) {
1124 case SWM_ARG_ID_STACKRESET:
1125 case SWM_ARG_ID_STACKINIT:
1126 ws->l_state.horizontal_mwin = 1;
1127 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1128 break;
1129 case SWM_ARG_ID_MASTERSHRINK:
1130 if (ws->l_state.horizontal_msize > 1)
1131 ws->l_state.horizontal_msize--;
1132 break;
1133 case SWM_ARG_ID_MASTERGROW:
1134 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1135 ws->l_state.horizontal_msize++;
1136 break;
1137 case SWM_ARG_ID_MASTERADD:
1138 ws->l_state.horizontal_mwin++;
1139 break;
1140 case SWM_ARG_ID_MASTERDEL:
1141 if (ws->l_state.horizontal_mwin > 0)
1142 ws->l_state.horizontal_mwin--;
1143 break;
1144 default:
1145 return;
1146 }
1147 }
1148
1149 void
1150 horizontal_stack(struct workspace *ws, struct swm_geometry *g) {
1151 XWindowChanges wc;
1152 struct swm_geometry gg = *g;
1153 struct ws_win *win, *winfocus;
1154 int i, j, split, rowno, hrw, winno, main_height;
1155 unsigned int mask;
1156
1157 DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
1158
1159 if ((winno = count_win(ws, 0)) == 0)
1160 return;
1161
1162 if (ws->focus == NULL)
1163 ws->focus = TAILQ_FIRST(&ws->winlist);
1164 winfocus = cur_focus ? cur_focus : ws->focus;
1165
1166 if (ws->l_state.horizontal_mwin &&
1167 winno > ws->l_state.horizontal_mwin) {
1168 split = ws->l_state.horizontal_mwin;
1169 rowno = split;
1170 main_height = (g->h / SWM_V_SLICE) *
1171 ws->l_state.horizontal_msize;
1172 gg.h = main_height;
1173 } else {
1174 rowno = winno;
1175 split = 0;
1176 }
1177 hrw = g->w / rowno;
1178 gg.w = hrw - 2;
1179
1180 i = j = 0;
1181 TAILQ_FOREACH(win, &ws->winlist, entry) {
1182 if (split && i == split) {
1183 rowno = winno - split;
1184 hrw = (g->w / rowno);
1185 gg.y += main_height + 2;
1186 gg.h = g->h - (main_height + 2);
1187 gg.w = hrw - 2;
1188 j = 0;
1189 }
1190 if (j == rowno - 1)
1191 gg.w = (hrw + (g->w - (rowno * hrw)));
1192
1193 if (j == 0)
1194 gg.x = g->x;
1195 else
1196 gg.x += hrw;
1197
1198 if (win->transient != 0 || win->floating != 0)
1199 stack_floater(win, ws->r);
1200 else {
1201 bzero(&wc, sizeof wc);
1202 wc.border_width = 1;
1203 win->g.x = wc.x = gg.x;
1204 win->g.y = wc.y = gg.y;
1205 win->g.w = wc.width = gg.w;
1206 win->g.h = wc.height = gg.h;
1207 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1208 XConfigureWindow(display, win->id, mask, &wc);
1209 }
1210
1211 XMapRaised(display, win->id);
1212 j++;
1213 i++;
1214 }
1215
1216 if (winfocus)
1217 focus_win(winfocus); /* this has to be done outside of the loop */
1218 }
1219
1220 /* fullscreen view */
1221 void
1222 max_stack(struct workspace *ws, struct swm_geometry *g) {
1223 XWindowChanges wc;
1224 struct swm_geometry gg = *g;
1225 struct ws_win *win, *winfocus;
1226 unsigned int mask;
1227
1228 DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1229
1230 if (count_win(ws, 0) == 0)
1231 return;
1232
1233 if (ws->focus == NULL)
1234 ws->focus = TAILQ_FIRST(&ws->winlist);
1235 winfocus = cur_focus ? cur_focus : ws->focus;
1236
1237 TAILQ_FOREACH(win, &ws->winlist, entry) {
1238 if (win->transient != 0 || win->floating != 0) {
1239 if (win == ws->focus) {
1240 /* XXX maximize? */
1241 stack_floater(win, ws->r);
1242 XMapRaised(display, win->id);
1243 } else
1244 XUnmapWindow(display, win->id);
1245 } else {
1246 bzero(&wc, sizeof wc);
1247 wc.border_width = 1;
1248 win->g.x = wc.x = gg.x;
1249 win->g.y = wc.y = gg.y;
1250 win->g.w = wc.width = gg.w;
1251 win->g.h = wc.height = gg.h;
1252 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1253 XConfigureWindow(display, win->id, mask, &wc);
1254
1255 if (win == ws->focus) {
1256 XMapRaised(display, win->id);
1257 } else
1258 XUnmapWindow(display, win->id);
1259 }
1260 }
1261
1262 if (winfocus)
1263 focus_win(winfocus); /* has to be done outside of the loop */
1264 }
1265
1266 void
1267 send_to_ws(struct swm_region *r, union arg *args)
1268 {
1269 int wsid = args->id;
1270 struct ws_win *win = cur_focus;
1271 struct workspace *ws, *nws;
1272
1273 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
1274
1275 ws = win->ws;
1276 nws = &win->s->ws[wsid];
1277
1278 XUnmapWindow(display, win->id);
1279
1280 /* find a window to focus */
1281 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1282 if (ws->focus == NULL)
1283 ws->focus = TAILQ_FIRST(&ws->winlist);
1284 if (ws->focus == win)
1285 ws->focus = NULL;
1286
1287 TAILQ_REMOVE(&ws->winlist, win, entry);
1288
1289 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
1290 win->ws = nws;
1291
1292 if (count_win(nws, 1) == 1)
1293 nws->focus = win;
1294 ws->restack = 1;
1295 nws->restack = 1;
1296
1297 stack();
1298 }
1299
1300 /* key definitions */
1301 struct key {
1302 unsigned int mod;
1303 KeySym keysym;
1304 void (*func)(struct swm_region *r, union arg *);
1305 union arg args;
1306 } keys[] = {
1307 /* modifier key function argument */
1308 { MODKEY, XK_space, cycle_layout, {0} },
1309 { MODKEY | ShiftMask, XK_space, stack_config, {.id = SWM_ARG_ID_STACKRESET} },
1310 { MODKEY, XK_h, stack_config, {.id = SWM_ARG_ID_MASTERSHRINK} },
1311 { MODKEY, XK_l, stack_config, {.id = SWM_ARG_ID_MASTERGROW} },
1312 { MODKEY, XK_comma, stack_config, {.id = SWM_ARG_ID_MASTERADD} },
1313 { MODKEY, XK_period, stack_config, {.id = SWM_ARG_ID_MASTERDEL} },
1314 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1315 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1316 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1317 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1318 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1319 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
1320 { MODKEY, XK_p, spawn, {.argv = spawn_menu} },
1321 { MODKEY | ShiftMask, XK_q, quit, {0} },
1322 { MODKEY, XK_q, restart, {0} },
1323 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1324 { MODKEY, XK_1, switchws, {.id = 0} },
1325 { MODKEY, XK_2, switchws, {.id = 1} },
1326 { MODKEY, XK_3, switchws, {.id = 2} },
1327 { MODKEY, XK_4, switchws, {.id = 3} },
1328 { MODKEY, XK_5, switchws, {.id = 4} },
1329 { MODKEY, XK_6, switchws, {.id = 5} },
1330 { MODKEY, XK_7, switchws, {.id = 6} },
1331 { MODKEY, XK_8, switchws, {.id = 7} },
1332 { MODKEY, XK_9, switchws, {.id = 8} },
1333 { MODKEY, XK_0, switchws, {.id = 9} },
1334 { MODKEY, XK_Right, cyclews, {.id = SWM_ARG_ID_CYCLEWS_UP} },
1335 { MODKEY, XK_Left, cyclews, {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
1336 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1337 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1338 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1339 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1340 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1341 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1342 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1343 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1344 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1345 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1346 { MODKEY, XK_b, bar_toggle, {0} },
1347 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1348 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1349 };
1350
1351 #if 0
1352 /* mouse */
1353 enum { client_click, root_click };
1354 struct button {
1355 unsigned int click;
1356 unsigned int mask;
1357 unsigned int button;
1358 void (*func)(struct swm_region *r, union arg *);
1359 union arg args;
1360 } buttons[] = {
1361 /* action key mouse button func args */
1362 { client_click, MODKEY, Button2, NULL, {0} },
1363 };
1364 #endif
1365
1366 void
1367 updatenumlockmask(void)
1368 {
1369 unsigned int i, j;
1370 XModifierKeymap *modmap;
1371
1372 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
1373 numlockmask = 0;
1374 modmap = XGetModifierMapping(display);
1375 for (i = 0; i < 8; i++)
1376 for (j = 0; j < modmap->max_keypermod; j++)
1377 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1378 == XKeysymToKeycode(display, XK_Num_Lock))
1379 numlockmask = (1 << i);
1380
1381 XFreeModifiermap(modmap);
1382 }
1383
1384 void
1385 grabkeys(void)
1386 {
1387 unsigned int i, j, k;
1388 KeyCode code;
1389 unsigned int modifiers[] =
1390 { 0, LockMask, numlockmask, numlockmask | LockMask };
1391
1392 DNPRINTF(SWM_D_MISC, "grabkeys\n");
1393 updatenumlockmask();
1394
1395 for (k = 0; k < ScreenCount(display); k++) {
1396 if (TAILQ_EMPTY(&screens[k].rl))
1397 continue;
1398 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
1399 for (i = 0; i < LENGTH(keys); i++) {
1400 if ((code = XKeysymToKeycode(display, keys[i].keysym)))
1401 for (j = 0; j < LENGTH(modifiers); j++)
1402 XGrabKey(display, code,
1403 keys[i].mod | modifiers[j],
1404 screens[k].root, True,
1405 GrabModeAsync, GrabModeAsync);
1406 }
1407 }
1408 }
1409 void
1410 expose(XEvent *e)
1411 {
1412 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
1413 }
1414
1415 void
1416 keypress(XEvent *e)
1417 {
1418 unsigned int i;
1419 KeySym keysym;
1420 XKeyEvent *ev = &e->xkey;
1421
1422 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
1423
1424 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
1425 for (i = 0; i < LENGTH(keys); i++)
1426 if (keysym == keys[i].keysym
1427 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1428 && keys[i].func)
1429 keys[i].func(root_to_region(ev->root),
1430 &(keys[i].args));
1431 }
1432
1433 void
1434 buttonpress(XEvent *e)
1435 {
1436 XButtonPressedEvent *ev = &e->xbutton;
1437 #ifdef SWM_CLICKTOFOCUS
1438 struct ws_win *win;
1439 struct workspace *ws;
1440 struct swm_region *r;
1441 #endif
1442
1443 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
1444
1445 if (ev->window == ev->root)
1446 return;
1447 if (ev->window == cur_focus->id)
1448 return;
1449 #ifdef SWM_CLICKTOFOCUS
1450 r = root_to_region(ev->root);
1451 ws = r->ws;
1452 TAILQ_FOREACH(win, &ws->winlist, entry)
1453 if (win->id == ev->window) {
1454 /* focus in the clicked window */
1455 XSetWindowBorder(display, ev->window, 0xff0000);
1456 XSetWindowBorder(display, ws->focus->id, 0x888888);
1457 XSetInputFocus(display, ev->window, RevertToPointerRoot,
1458 CurrentTime);
1459 ws->focus = win;
1460 XSync(display, False);
1461 break;
1462 }
1463 #endif
1464 }
1465
1466 void
1467 set_win_state(struct ws_win *win, long state)
1468 {
1469 long data[] = {state, None};
1470
1471 DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1472
1473 XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1474 (unsigned char *)data, 2);
1475 }
1476
1477 struct ws_win *
1478 manage_window(Window id, struct workspace *ws)
1479 {
1480 Window trans;
1481 struct ws_win *win;
1482 XClassHint ch;
1483
1484 TAILQ_FOREACH(win, &ws->winlist, entry) {
1485 if (win->id == id)
1486 return (win); /* already being managed */
1487 }
1488
1489 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
1490 errx(1, "calloc: failed to allocate memory for new window");
1491
1492 win->id = id;
1493 win->ws = ws;
1494 win->s = ws->r->s; /* this never changes */
1495 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
1496
1497 /* make new win focused */
1498 focus_win(win);
1499
1500 XGetTransientForHint(display, win->id, &trans);
1501 if (trans) {
1502 win->transient = trans;
1503 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
1504 (unsigned)win->id, win->transient);
1505 }
1506 XGetWindowAttributes(display, id, &win->wa);
1507 win->g.w = win->wa.width;
1508 win->g.h = win->wa.height;
1509 win->g.x = win->wa.x;
1510 win->g.y = win->wa.y;
1511
1512 /* XXX make this a table */
1513 bzero(&ch, sizeof ch);
1514 if (XGetClassHint(display, win->id, &ch)) {
1515 /*fprintf(stderr, "class: %s name: %s\n", ch.res_class, ch.res_name); */
1516 if (!strcmp(ch.res_class, "MPlayer") && !strcmp(ch.res_name, "xv")) {
1517 win->floating = 1;
1518 }
1519 if (ch.res_class)
1520 XFree(ch.res_class);
1521 if (ch.res_name)
1522 XFree(ch.res_name);
1523 }
1524
1525 XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
1526 PropertyChangeMask | StructureNotifyMask);
1527
1528 set_win_state(win, NormalState);
1529
1530 return (win);
1531 }
1532
1533 void
1534 configurerequest(XEvent *e)
1535 {
1536 XConfigureRequestEvent *ev = &e->xconfigurerequest;
1537 struct ws_win *win;
1538 int new = 1;
1539 XWindowChanges wc;
1540
1541 if ((win = find_window(ev->window)) == NULL)
1542 new = 1;
1543
1544 if (new) {
1545 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
1546 ev->window);
1547 bzero(&wc, sizeof wc);
1548 wc.x = ev->x;
1549 wc.y = ev->y;
1550 wc.width = ev->width;
1551 wc.height = ev->height;
1552 wc.border_width = ev->border_width;
1553 wc.sibling = ev->above;
1554 wc.stack_mode = ev->detail;
1555 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
1556 } else {
1557 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
1558 ev->window);
1559 if (win->floating) {
1560 if (ev->value_mask & CWX)
1561 win->g.x = ev->x;
1562 if (ev->value_mask & CWY)
1563 win->g.y = ev->y;
1564 if (ev->value_mask & CWWidth)
1565 win->g.w = ev->width;
1566 if (ev->value_mask & CWHeight)
1567 win->g.h = ev->height;
1568 if (win->ws->r != NULL) {
1569 /* this seems to be full screen */
1570 if (win->g.w > WIDTH(win->ws->r)) {
1571 /* kill border */
1572 win->g.x -= 1;
1573 win->g.w += 1;
1574 }
1575 if (win->g.h > HEIGHT(win->ws->r)) {
1576 /* kill border */
1577 win->g.y -= 1;
1578 win->g.h += 1;
1579 }
1580 }
1581 if ((ev->value_mask & (CWX|CWY)) &&
1582 !(ev->value_mask & (CWWidth|CWHeight)))
1583 config_win(win);
1584 XMoveResizeWindow(display, win->id,
1585 win->g.x, win->g.y, win->g.w, win->g.h);
1586 } else
1587 config_win(win);
1588 }
1589 }
1590
1591 void
1592 configurenotify(XEvent *e)
1593 {
1594 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
1595 e->xconfigure.window);
1596 }
1597
1598 void
1599 destroynotify(XEvent *e)
1600 {
1601 struct ws_win *win;
1602 XDestroyWindowEvent *ev = &e->xdestroywindow;
1603 struct workspace *ws;
1604
1605 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
1606
1607 if ((win = find_window(ev->window)) != NULL) {
1608 ws = win->ws;
1609 /* find a window to focus */
1610 if (ws->focus == win)
1611 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1612 if (ws->focus == NULL)
1613 ws->focus = TAILQ_FIRST(&ws->winlist);
1614 if (ws->focus == win)
1615 ws->focus = NULL;
1616 if (cur_focus == win)
1617 focus_win(ws->focus);
1618
1619 TAILQ_REMOVE(&ws->winlist, win, entry);
1620 set_win_state(win, WithdrawnState);
1621 free(win);
1622 }
1623 stack();
1624 }
1625
1626 void
1627 enternotify(XEvent *e)
1628 {
1629 XCrossingEvent *ev = &e->xcrossing;
1630 struct ws_win *win;
1631
1632 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
1633
1634 if (ignore_enter) {
1635 /* eat event(r) to prevent autofocus */
1636 ignore_enter--;
1637 return;
1638 }
1639
1640 if ((win = find_window(ev->window)) != NULL)
1641 focus_win(win);
1642 }
1643
1644 void
1645 focusin(XEvent *e)
1646 {
1647 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
1648
1649 /* XXX this probably needs better handling now.
1650 if (ev->window == ev->root)
1651 return;
1652 */
1653 /*
1654 * kill grab for now so that we can cut and paste , this screws up
1655 * click to focus
1656 */
1657 /*
1658 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
1659 XGrabButton(display, Button1, AnyModifier, ev->window, False,
1660 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
1661 */
1662 }
1663
1664 void
1665 mappingnotify(XEvent *e)
1666 {
1667 XMappingEvent *ev = &e->xmapping;
1668
1669 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
1670
1671 XRefreshKeyboardMapping(ev);
1672 if (ev->request == MappingKeyboard)
1673 grabkeys();
1674 }
1675
1676 void
1677 maprequest(XEvent *e)
1678 {
1679 XMapRequestEvent *ev = &e->xmaprequest;
1680 XWindowAttributes wa;
1681 struct swm_region *r;
1682
1683 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
1684 e->xmaprequest.window);
1685
1686 if (!XGetWindowAttributes(display, ev->window, &wa))
1687 return;
1688 if (wa.override_redirect)
1689 return;
1690 r = root_to_region(wa.root);
1691 manage_window(e->xmaprequest.window, r->ws);
1692 stack();
1693 }
1694
1695 void
1696 propertynotify(XEvent *e)
1697 {
1698 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
1699 e->xproperty.window);
1700 }
1701
1702 void
1703 unmapnotify(XEvent *e)
1704 {
1705 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
1706 }
1707
1708 void
1709 visibilitynotify(XEvent *e)
1710 {
1711 int i;
1712 struct swm_region *r;
1713
1714 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
1715 e->xvisibility.window);
1716 if (e->xvisibility.state == VisibilityUnobscured)
1717 for (i = 0; i < ScreenCount(display); i++)
1718 TAILQ_FOREACH(r, &screens[i].rl, entry)
1719 if (e->xvisibility.window == r->bar_window)
1720 bar_update();
1721 }
1722
1723 void (*handler[LASTEvent])(XEvent *) = {
1724 [Expose] = expose,
1725 [KeyPress] = keypress,
1726 [ButtonPress] = buttonpress,
1727 [ConfigureRequest] = configurerequest,
1728 [ConfigureNotify] = configurenotify,
1729 [DestroyNotify] = destroynotify,
1730 [EnterNotify] = enternotify,
1731 [FocusIn] = focusin,
1732 [MappingNotify] = mappingnotify,
1733 [MapRequest] = maprequest,
1734 [PropertyNotify] = propertynotify,
1735 [UnmapNotify] = unmapnotify,
1736 [VisibilityNotify] = visibilitynotify,
1737 };
1738
1739 int
1740 xerror_start(Display *d, XErrorEvent *ee)
1741 {
1742 other_wm = 1;
1743 return (-1);
1744 }
1745
1746 int
1747 xerror(Display *d, XErrorEvent *ee)
1748 {
1749 /* fprintf(stderr, "error: %p %p\n", display, ee); */
1750 return (-1);
1751 }
1752
1753 int
1754 active_wm(void)
1755 {
1756 other_wm = 0;
1757 xerrorxlib = XSetErrorHandler(xerror_start);
1758
1759 /* this causes an error if some other window manager is running */
1760 XSelectInput(display, DefaultRootWindow(display),
1761 SubstructureRedirectMask);
1762 XSync(display, False);
1763 if (other_wm)
1764 return (1);
1765
1766 XSetErrorHandler(xerror);
1767 XSync(display, False);
1768 return (0);
1769 }
1770
1771 long
1772 getstate(Window w)
1773 {
1774 int format, status;
1775 long result = -1;
1776 unsigned char *p = NULL;
1777 unsigned long n, extra;
1778 Atom real;
1779
1780 astate = XInternAtom(display, "WM_STATE", False);
1781 status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
1782 &real, &format, &n, &extra, (unsigned char **)&p);
1783 if (status != Success)
1784 return (-1);
1785 if (n != 0)
1786 result = *p;
1787 XFree(p);
1788 return (result);
1789 }
1790
1791 void
1792 new_region(struct swm_screen *s, struct workspace *ws,
1793 int x, int y, int w, int h)
1794 {
1795 struct swm_region *r;
1796
1797 DNPRINTF(SWM_D_MISC, "new region on screen %d: %dx%d (%d, %d)\n",
1798 s->idx, x, y, w, h);
1799
1800 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
1801 errx(1, "calloc: failed to allocate memory for screen");
1802
1803 X(r) = x;
1804 Y(r) = y;
1805 WIDTH(r) = w;
1806 HEIGHT(r) = h;
1807 r->s = s;
1808 r->ws = ws;
1809 ws->r = r;
1810 TAILQ_INSERT_TAIL(&s->rl, r, entry);
1811 bar_setup(r);
1812 }
1813
1814 void
1815 setup_screens(void)
1816 {
1817 #ifdef SWM_XRR_HAS_CRTC
1818 XRRCrtcInfo *ci;
1819 XRRScreenResources *sr;
1820 int c;
1821 #endif /* SWM_XRR_HAS_CRTC */
1822 Window d1, d2, *wins = NULL;
1823 XWindowAttributes wa;
1824 struct swm_region *r;
1825 unsigned int no;
1826 int errorbase, major, minor;
1827 int ncrtc = 0, w = 0;
1828 int i, j, k;
1829 struct workspace *ws;
1830
1831 if ((screens = calloc(ScreenCount(display),
1832 sizeof(struct swm_screen))) == NULL)
1833 errx(1, "calloc: screens");
1834
1835 /* map physical screens */
1836 for (i = 0; i < ScreenCount(display); i++) {
1837 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
1838 screens[i].idx = i;
1839 TAILQ_INIT(&screens[i].rl);
1840 screens[i].root = RootWindow(display, i);
1841
1842 /* set default colors */
1843 screens[i].color_focus = name_to_color("red");
1844 screens[i].color_unfocus = name_to_color("rgb:88/88/88");
1845 screens[i].bar_border = name_to_color("rgb:00/80/80");
1846 screens[i].bar_color = name_to_color("black");
1847 screens[i].bar_font_color = name_to_color("rgb:a0/a0/a0");
1848
1849 /* init all workspaces */
1850 for (j = 0; j < SWM_WS_MAX; j++) {
1851 ws = &screens[i].ws[j];
1852 ws->idx = j;
1853 ws->restack = 1;
1854 ws->focus = NULL;
1855 ws->r = NULL;
1856 TAILQ_INIT(&ws->winlist);
1857
1858 for (k = 0; layouts[k].l_stack != NULL; k++)
1859 if (layouts[k].l_config != NULL)
1860 layouts[k].l_config(ws,
1861 SWM_ARG_ID_STACKINIT);
1862 ws->cur_layout = &layouts[0];
1863 }
1864
1865 /* map virtual screens onto physical screens */
1866 screens[i].xrandr_support = XRRQueryExtension(display,
1867 &xrandr_eventbase, &errorbase);
1868 if (screens[i].xrandr_support)
1869 if (XRRQueryVersion(display, &major, &minor) &&
1870 major < 1)
1871 screens[i].xrandr_support = 0;
1872
1873 #if 0 /* not ready for dynamic screen changes */
1874 if (screens[i].xrandr_support)
1875 XRRSelectInput(display,
1876 screens[r->s].root,
1877 RRScreenChangeNotifyMask);
1878 #endif
1879
1880 /* grab existing windows (before we build the bars)*/
1881 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
1882 continue;
1883
1884 #ifdef SWM_XRR_HAS_CRTC
1885 sr = XRRGetScreenResources(display, screens[i].root);
1886 if (sr == NULL)
1887 new_region(&screens[i], &screens[i].ws[w],
1888 0, 0, DisplayWidth(display, i),
1889 DisplayHeight(display, i));
1890 else
1891 ncrtc = sr->ncrtc;
1892
1893 for (c = 0; c < ncrtc; c++) {
1894 ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
1895 if (ci->noutput == 0)
1896 continue;
1897
1898 if (ci != NULL && ci->mode == None)
1899 new_region(&screens[i], &screens[i].ws[w], 0, 0,
1900 DisplayWidth(display, i),
1901 DisplayHeight(display, i));
1902 else
1903 new_region(&screens[i], &screens[i].ws[w],
1904 ci->x, ci->y, ci->width, ci->height);
1905 w++;
1906 }
1907 XRRFreeCrtcInfo(ci);
1908 XRRFreeScreenResources(sr);
1909 #else
1910 new_region(&screens[i], &screens[i].ws[w], 0, 0,
1911 DisplayWidth(display, i),
1912 DisplayHeight(display, i));
1913 #endif /* SWM_XRR_HAS_CRTC */
1914
1915 /* attach windows to a region */
1916 /* normal windows */
1917 if ((r = TAILQ_FIRST(&screens[i].rl)) == NULL)
1918 errx(1, "no regions on screen %d", i);
1919
1920 for (i = 0; i < no; i++) {
1921 XGetWindowAttributes(display, wins[i], &wa);
1922 if (!XGetWindowAttributes(display, wins[i], &wa) ||
1923 wa.override_redirect ||
1924 XGetTransientForHint(display, wins[i], &d1))
1925 continue;
1926
1927 if (wa.map_state == IsViewable ||
1928 getstate(wins[i]) == NormalState)
1929 manage_window(wins[i], r->ws);
1930 }
1931 /* transient windows */
1932 for (i = 0; i < no; i++) {
1933 if (!XGetWindowAttributes(display, wins[i], &wa))
1934 continue;
1935
1936 if (XGetTransientForHint(display, wins[i], &d1) &&
1937 (wa.map_state == IsViewable || getstate(wins[i]) ==
1938 NormalState))
1939 manage_window(wins[i], r->ws);
1940 }
1941 if (wins) {
1942 XFree(wins);
1943 wins = NULL;
1944 }
1945 }
1946 }
1947
1948 int
1949 main(int argc, char *argv[])
1950 {
1951 struct passwd *pwd;
1952 char conf[PATH_MAX], *cfile = NULL;
1953 struct stat sb;
1954 XEvent e;
1955 int xfd;
1956 fd_set rd;
1957
1958 start_argv = argv;
1959 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
1960 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
1961 warnx("no locale support");
1962
1963 if (!(display = XOpenDisplay(0)))
1964 errx(1, "can not open display");
1965
1966 if (active_wm())
1967 errx(1, "other wm running");
1968
1969 astate = XInternAtom(display, "WM_STATE", False);
1970
1971 /* look for local and global conf file */
1972 pwd = getpwuid(getuid());
1973 if (pwd == NULL)
1974 errx(1, "invalid user %d", getuid());
1975
1976 setup_screens();
1977
1978 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
1979 if (stat(conf, &sb) != -1) {
1980 if (S_ISREG(sb.st_mode))
1981 cfile = conf;
1982 } else {
1983 /* try global conf file */
1984 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
1985 if (!stat(conf, &sb))
1986 if (S_ISREG(sb.st_mode))
1987 cfile = conf;
1988 }
1989 if (cfile)
1990 conf_load(cfile);
1991 bar_refresh();
1992
1993 /* ws[0].focus = TAILQ_FIRST(&ws[0].winlist); */
1994
1995 grabkeys();
1996 stack();
1997
1998 xfd = ConnectionNumber(display);
1999 while (running) {
2000 FD_SET(xfd, &rd);
2001 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
2002 if (errno != EINTR)
2003 errx(1, "select failed");
2004 if (bar_alarm) {
2005 bar_alarm = 0;
2006 bar_update();
2007 }
2008 while(XPending(display)) {
2009 XNextEvent(display, &e);
2010 if (handler[e.type])
2011 handler[e.type](&e);
2012 }
2013 }
2014
2015 XCloseDisplay(display);
2016
2017 return (0);
2018 }
spectrwm is a small dynamic tiling and reparenting window manager for X11