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Add mouse button actions. One example handler that does nothing and we
[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 #define SWM_D_MOUSE 0x0040
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 #define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
121
122 #define X(r) (r)->g.x
123 #define Y(r) (r)->g.y
124 #define WIDTH(r) (r)->g.w
125 #define HEIGHT(r) (r)->g.h
126
127 char **start_argv;
128 Atom astate;
129 int (*xerrorxlib)(Display *, XErrorEvent *);
130 int other_wm;
131 int running = 1;
132 int xrandr_eventbase;
133 int ignore_enter = 0;
134 unsigned int numlockmask = 0;
135 Display *display;
136
137 int cycle_empty = 0;
138 int cycle_visible = 0;
139
140 /* dialog windows */
141 double dialog_ratio = .6;
142 /* status bar */
143 #define SWM_BAR_MAX (128)
144 sig_atomic_t bar_alarm = 0;
145 int bar_enabled = 1;
146 int bar_verbose = 1;
147 int bar_height = 0;
148 GC bar_gc;
149 XGCValues bar_gcv;
150 XFontStruct *bar_fs;
151 char *bar_fonts[] = {
152 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
153 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
154 NULL
155 };
156
157 /* terminal + args */
158 char *spawn_term[] = { "xterm", NULL };
159 char *spawn_menu[] = { "dmenu_run", NULL };
160
161 /* layout manager data */
162 struct swm_geometry {
163 int x;
164 int y;
165 int w;
166 int h;
167 };
168
169 struct swm_screen;
170 struct workspace;
171
172 /* virtual "screens" */
173 struct swm_region {
174 TAILQ_ENTRY(swm_region) entry;
175 struct swm_geometry g;
176 Window bar_window;
177 struct workspace *ws; /* current workspace on this region */
178 struct swm_screen *s; /* screen idx */
179 };
180 TAILQ_HEAD(swm_region_list, swm_region);
181
182
183 struct ws_win {
184 TAILQ_ENTRY(ws_win) entry;
185 Window id;
186 struct swm_geometry g;
187 int got_focus;
188 int floating;
189 int transient;
190 struct workspace *ws; /* always valid */
191 struct swm_screen *s; /* always valid, never changes */
192 XWindowAttributes wa;
193 };
194 TAILQ_HEAD(ws_win_list, ws_win);
195
196 /* layout handlers */
197 void stack(void);
198 void vertical_config(struct workspace *, int);
199 void vertical_stack(struct workspace *, struct swm_geometry *);
200 void horizontal_config(struct workspace *, int);
201 void horizontal_stack(struct workspace *, struct swm_geometry *);
202 void max_stack(struct workspace *, struct swm_geometry *);
203
204 void grabbuttons(struct ws_win *, int);
205
206 struct layout {
207 void (*l_stack)(struct workspace *, struct swm_geometry *);
208 void (*l_config)(struct workspace *, int);
209 } layouts[] = {
210 /* stack, configure */
211 { vertical_stack, vertical_config},
212 { horizontal_stack, horizontal_config},
213 { max_stack, NULL},
214 { NULL, NULL},
215 };
216
217 #define SWM_H_SLICE (32)
218 #define SWM_V_SLICE (32)
219
220 /* define work spaces */
221 struct workspace {
222 int idx; /* workspace index */
223 int restack; /* restack on switch */
224 struct layout *cur_layout; /* current layout handlers */
225 struct ws_win *focus; /* may be NULL */
226 struct swm_region *r; /* may be NULL */
227 struct ws_win_list winlist; /* list of windows in ws */
228
229 /* stacker state */
230 struct {
231 int horizontal_msize;
232 int horizontal_mwin;
233 int vertical_msize;
234 int vertical_mwin;
235 } l_state;
236 };
237
238 /* physical screen mapping */
239 #define SWM_WS_MAX (10) /* XXX Too small? */
240 struct swm_screen {
241 int idx; /* screen index */
242 struct swm_region_list rl; /* list of regions on this screen */
243 Window root;
244 int xrandr_support;
245 struct workspace ws[SWM_WS_MAX];
246
247 /* colors */
248 unsigned long bar_border;
249 unsigned long bar_color;
250 unsigned long bar_font_color;
251 unsigned long color_focus; /* XXX should this be per ws? */
252 unsigned long color_unfocus;
253 };
254 struct swm_screen *screens;
255 int num_screens;
256
257 struct ws_win *cur_focus = NULL;
258
259 /* args to functions */
260 union arg {
261 int id;
262 #define SWM_ARG_ID_FOCUSNEXT (0)
263 #define SWM_ARG_ID_FOCUSPREV (1)
264 #define SWM_ARG_ID_FOCUSMAIN (2)
265 #define SWM_ARG_ID_SWAPNEXT (3)
266 #define SWM_ARG_ID_SWAPPREV (4)
267 #define SWM_ARG_ID_SWAPMAIN (5)
268 #define SWM_ARG_ID_MASTERSHRINK (6)
269 #define SWM_ARG_ID_MASTERGROW (7)
270 #define SWM_ARG_ID_MASTERADD (8)
271 #define SWM_ARG_ID_MASTERDEL (9)
272 #define SWM_ARG_ID_STACKRESET (10)
273 #define SWM_ARG_ID_STACKINIT (11)
274 #define SWM_ARG_ID_CYCLEWS_UP (12)
275 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
276 char **argv;
277 };
278
279 unsigned long
280 name_to_color(char *colorname)
281 {
282 Colormap cmap;
283 Status status;
284 XColor screen_def, exact_def;
285 unsigned long result = 0;
286 char cname[32] = "#";
287
288 cmap = DefaultColormap(display, screens[0].idx);
289 status = XAllocNamedColor(display, cmap, colorname,
290 &screen_def, &exact_def);
291 if (!status) {
292 strlcat(cname, colorname + 2, sizeof cname - 1);
293 status = XAllocNamedColor(display, cmap, cname, &screen_def,
294 &exact_def);
295 }
296 if (status)
297 result = screen_def.pixel;
298 else
299 fprintf(stderr, "color '%s' not found.\n", colorname);
300
301 return (result);
302 }
303
304 int
305 varmatch(char *var, char *name, int *index)
306 {
307 char *p, buf[5];
308 int i;
309
310 i = strncmp(var, name, 255);
311 if (index == NULL)
312 return (i);
313
314 *index = -1;
315 if (i <= 0)
316 return (i);
317 p = var + strlen(name);
318 if (*p++ != '[')
319 return (i);
320 bzero(buf, sizeof buf);
321 i = 0;
322 while (isdigit(*p) && i < sizeof buf)
323 buf[i++] = *p++;
324 if (i == 0 || i >= sizeof buf || *p != ']')
325 return (1);
326 *index = strtonum(buf, 0, 99, NULL);
327 return (0);
328 }
329
330 /* conf file stuff */
331 #define SWM_CONF_WS "\n= \t"
332 #define SWM_CONF_FILE "scrotwm.conf"
333 int
334 conf_load(char *filename)
335 {
336 FILE *config;
337 char *line, *cp, *var, *val;
338 size_t len, lineno = 0;
339 int i, sc;
340
341 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
342
343 if (filename == NULL)
344 return (1);
345
346 if ((config = fopen(filename, "r")) == NULL)
347 return (1);
348
349 for (sc = ScreenCount(display);;) {
350 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
351 if (feof(config))
352 break;
353 cp = line;
354 cp += (long)strspn(cp, SWM_CONF_WS);
355 if (cp[0] == '\0') {
356 /* empty line */
357 free(line);
358 continue;
359 }
360 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
361 break;
362 cp += (long)strspn(cp, SWM_CONF_WS);
363 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
364 break;
365
366 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
367 switch (var[0]) {
368 case 'b':
369 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
370 bar_enabled = atoi(val);
371 else if (!varmatch(var, "bar_border", &i))
372 if (i > 0 && i <= sc)
373 screens[i - 1].bar_border =
374 name_to_color(val);
375 else if (i == -1)
376 for (i = 0; i < sc; i++)
377 screens[i].bar_border =
378 name_to_color(val);
379 else
380 goto badidx;
381 else if (!varmatch(var, "bar_color", &i))
382 if (i > 0 && i <= sc)
383 screens[i - 1].bar_color =
384 name_to_color(val);
385 else if (i == -1)
386 for (i = 0; i < sc; i++)
387 screens[i].bar_color =
388 name_to_color(val);
389 else
390 goto badidx;
391 else if (!varmatch(var, "bar_font_color", &i))
392 if (i > 0 && i <= sc)
393 screens[i - 1].bar_font_color =
394 name_to_color(val);
395 else if (i == -1)
396 for (i = 0; i < sc; i++)
397 screens[i].bar_font_color =
398 name_to_color(val);
399 else
400 goto badidx;
401
402 else if (!strncmp(var, "bar_font", strlen("bar_font")))
403 asprintf(&bar_fonts[0], "%s", val);
404 else
405 goto bad;
406 break;
407
408 case 'c':
409 if (!varmatch(var, "color_focus", &i))
410 if (i > 0 && i <= sc)
411 screens[i - 1].color_focus =
412 name_to_color(val);
413 else if (i == -1)
414 for (i = 0; i < sc; i++)
415 screens[i].color_focus =
416 name_to_color(val);
417 else
418 goto badidx;
419 else if (!varmatch(var, "color_unfocus", &i))
420 if (i > 0 && i <= sc)
421 screens[i - 1].color_unfocus =
422 name_to_color(val);
423 else if (i == -1)
424 for (i = 0; i < sc; i++)
425 screens[i].color_unfocus =
426 name_to_color(val);
427 else
428 goto badidx;
429 else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
430 cycle_visible = atoi(val);
431 else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
432 cycle_visible = atoi(val);
433 else
434 goto bad;
435 break;
436
437 case 'd':
438 if (!strncmp(var, "dialog_ratio",
439 strlen("dialog_ratio"))) {
440 dialog_ratio = atof(val);
441 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
442 dialog_ratio = .6;
443 } else
444 goto bad;
445 break;
446
447 case 's':
448 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
449 asprintf(&spawn_term[0], "%s", val); /* XXX args? */
450 break;
451 default:
452 goto bad;
453 }
454 free(line);
455 }
456
457 fclose(config);
458 return (0);
459 bad:
460 errx(1, "invalid conf file entry: %s=%s", var, val);
461 badidx:
462 errx(1, "invalid screen index: %s out of bounds", var);
463 }
464
465 void
466 bar_print(struct swm_region *r, char *s)
467 {
468 XClearWindow(display, r->bar_window);
469 XSetForeground(display, bar_gc, r->s->bar_font_color);
470 XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
471 strlen(s));
472 }
473
474 void
475 bar_update(void)
476 {
477 time_t tmt;
478 struct tm tm;
479 struct swm_region *r;
480 int i, x;
481 char s[SWM_BAR_MAX];
482 char e[SWM_BAR_MAX];
483
484 if (bar_enabled == 0)
485 return;
486
487 time(&tmt);
488 localtime_r(&tmt, &tm);
489 strftime(s, sizeof s, "%a %b %d %R %Z %Y", &tm);
490 for (i = 0; i < ScreenCount(display); i++) {
491 x = 1;
492 TAILQ_FOREACH(r, &screens[i].rl, entry) {
493 snprintf(e, sizeof e, "%s %d:%d",
494 s, x++, r->ws->idx + 1);
495 bar_print(r, e);
496 }
497 }
498 XSync(display, False);
499 alarm(60);
500 }
501
502 void
503 bar_signal(int sig)
504 {
505 bar_alarm = 1;
506 }
507
508 void
509 bar_toggle(struct swm_region *r, union arg *args)
510 {
511 struct swm_region *tmpr;
512 int i, j, sc = ScreenCount(display);
513
514 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
515
516 if (bar_enabled) {
517 for (i = 0; i < sc; i++)
518 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
519 XUnmapWindow(display, tmpr->bar_window);
520 } else {
521 for (i = 0; i < sc; i++)
522 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
523 XMapRaised(display, tmpr->bar_window);
524 }
525 bar_enabled = !bar_enabled;
526 XSync(display, False);
527 for (i = 0; i < sc; i++)
528 for (j = 0; j < SWM_WS_MAX; j++)
529 screens[i].ws[j].restack = 1;
530
531 stack();
532 /* must be after stack */
533 for (i = 0; i < sc; i++)
534 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
535 bar_update();
536 }
537
538 void
539 bar_setup(struct swm_region *r)
540 {
541 int i;
542
543 for (i = 0; bar_fonts[i] != NULL; i++) {
544 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
545 if (bar_fs)
546 break;
547 }
548 if (bar_fonts[i] == NULL)
549 errx(1, "couldn't load font");
550 bar_height = bar_fs->ascent + bar_fs->descent + 3;
551
552 r->bar_window = XCreateSimpleWindow(display,
553 r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
554 1, r->s->bar_border, r->s->bar_color);
555 bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
556 XSetFont(display, bar_gc, bar_fs->fid);
557 XSelectInput(display, r->bar_window, VisibilityChangeMask);
558 if (bar_enabled)
559 XMapRaised(display, r->bar_window);
560 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
561
562 if (signal(SIGALRM, bar_signal) == SIG_ERR)
563 err(1, "could not install bar_signal");
564 bar_update();
565 }
566
567 void
568 bar_refresh(void)
569 {
570 XSetWindowAttributes wa;
571 struct swm_region *r;
572 int i;
573
574 bzero(&wa, sizeof wa);
575 for (i = 0; i < ScreenCount(display); i++)
576 TAILQ_FOREACH(r, &screens[i].rl, entry) {
577 wa.border_pixel = screens[i].bar_border;
578 wa.background_pixel = screens[i].bar_color;
579 XChangeWindowAttributes(display, r->bar_window,
580 CWBackPixel | CWBorderPixel, &wa);
581 }
582 bar_update();
583 }
584
585 void
586 config_win(struct ws_win *win)
587 {
588 XConfigureEvent ce;
589
590 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
591 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
592 ce.type = ConfigureNotify;
593 ce.display = display;
594 ce.event = win->id;
595 ce.window = win->id;
596 ce.x = win->g.x;
597 ce.y = win->g.y;
598 ce.width = win->g.w;
599 ce.height = win->g.h;
600 ce.border_width = 1; /* XXX store this! */
601 ce.above = None;
602 ce.override_redirect = False;
603 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
604 }
605
606 int
607 count_win(struct workspace *ws, int count_transient)
608 {
609 struct ws_win *win;
610 int count = 0;
611
612 TAILQ_FOREACH(win, &ws->winlist, entry) {
613 if (count_transient == 0 && win->floating)
614 continue;
615 if (count_transient == 0 && win->transient)
616 continue;
617 count++;
618 }
619 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
620
621 return (count);
622 }
623
624 void
625 quit(struct swm_region *r, union arg *args)
626 {
627 DNPRINTF(SWM_D_MISC, "quit\n");
628 running = 0;
629 }
630
631 void
632 restart(struct swm_region *r, union arg *args)
633 {
634 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
635
636 /* disable alarm because the following code may not be interrupted */
637 alarm(0);
638 if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
639 errx(1, "can't disable alarm");
640
641 XCloseDisplay(display);
642 execvp(start_argv[0], start_argv);
643 fprintf(stderr, "execvp failed\n");
644 perror(" failed");
645 quit(NULL, NULL);
646 }
647
648 struct swm_region *
649 root_to_region(Window root)
650 {
651 struct swm_region *r;
652 Window rr, cr;
653 int i, x, y, wx, wy;
654 unsigned int mask;
655
656 for (i = 0; i < ScreenCount(display); i++)
657 if (screens[i].root == root)
658 break;
659
660 if (XQueryPointer(display, screens[i].root,
661 &rr, &cr, &x, &y, &wx, &wy, &mask) == False) {
662 /* if we can't query the pointer, grab the first region */
663 r = TAILQ_FIRST(&screens[i].rl);
664 } else {
665 /* otherwise, choose a region based on pointer location */
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 return (r);
676 }
677
678 struct ws_win *
679 find_window(Window id)
680 {
681 struct ws_win *win;
682 int i, j;
683
684 for (i = 0; i < ScreenCount(display); i++)
685 for (j = 0; j < SWM_WS_MAX; j++)
686 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
687 if (id == win->id)
688 return (win);
689 return (NULL);
690 }
691
692 void
693 spawn(struct swm_region *r, union arg *args)
694 {
695 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
696 /*
697 * The double-fork construct avoids zombie processes and keeps the code
698 * clean from stupid signal handlers.
699 */
700 if (fork() == 0) {
701 if (fork() == 0) {
702 if (display)
703 close(ConnectionNumber(display));
704 setsid();
705 execvp(args->argv[0], args->argv);
706 fprintf(stderr, "execvp failed\n");
707 perror(" failed");
708 }
709 exit(0);
710 }
711 wait(0);
712 }
713
714 void
715 unfocus_all(void)
716 {
717 struct ws_win *win;
718 int i, j;
719
720 DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
721
722 for (i = 0; i < ScreenCount(display); i++)
723 for (j = 0; j < SWM_WS_MAX; j++)
724 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
725 if (win->ws->r == NULL)
726 continue;
727 grabbuttons(win, 0);
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 unfocus_all();
745 win->ws->focus = win;
746 if (win->ws->r != NULL) {
747 cur_focus = win;
748 if (!win->got_focus) {
749 XSetWindowBorder(display, win->id,
750 win->ws->r->s->color_focus);
751 grabbuttons(win, 1);
752 }
753 win->got_focus = 1;
754 XSetInputFocus(display, win->id,
755 RevertToPointerRoot, CurrentTime);
756 }
757 }
758
759 void
760 switchws(struct swm_region *r, union arg *args)
761 {
762 int wsid = args->id;
763 struct swm_region *this_r, *other_r;
764 struct ws_win *win;
765 struct workspace *new_ws, *old_ws;
766
767 this_r = r;
768 old_ws = this_r->ws;
769 new_ws = &this_r->s->ws[wsid];
770
771 DNPRINTF(SWM_D_WS, "switchws screen %d region %dx%d+%d+%d: "
772 "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
773 old_ws->idx, wsid);
774
775 if (new_ws == old_ws)
776 return;
777
778 other_r = new_ws->r;
779 if (!other_r) {
780 /* if the other workspace is hidden, switch windows */
781 /* map new window first to prevent ugly blinking */
782 TAILQ_FOREACH(win, &new_ws->winlist, entry)
783 XMapRaised(display, win->id);
784
785 TAILQ_FOREACH(win, &old_ws->winlist, entry)
786 XUnmapWindow(display, win->id);
787
788 old_ws->r = NULL;
789 old_ws->restack = 1;
790 } else {
791 other_r->ws = old_ws;
792 old_ws->r = other_r;
793 }
794 this_r->ws = new_ws;
795 new_ws->r = this_r;
796
797 ignore_enter = 1;
798 /* set focus */
799 if (new_ws->focus)
800 focus_win(new_ws->focus);
801 stack();
802 bar_update();
803 }
804
805 void
806 cyclews(struct swm_region *r, union arg *args)
807 {
808 union arg a;
809 struct swm_screen *s = r->s;
810
811 DNPRINTF(SWM_D_WS, "cyclews id %d "
812 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
813 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
814
815 a.id = r->ws->idx;
816
817 do {
818 switch (args->id) {
819 case SWM_ARG_ID_CYCLEWS_UP:
820 if (a.id < SWM_WS_MAX - 1)
821 a.id++;
822 else
823 a.id = 0;
824 break;
825 case SWM_ARG_ID_CYCLEWS_DOWN:
826 if (a.id > 0)
827 a.id--;
828 else
829 a.id = SWM_WS_MAX - 1;
830 break;
831 default:
832 return;
833 };
834
835 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
836 continue;
837 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
838 continue;
839
840 switchws(r, &a);
841 } while (a.id != r->ws->idx);
842 }
843
844 void
845 swapwin(struct swm_region *r, union arg *args)
846 {
847 struct ws_win *target;
848 struct ws_win_list *wl;
849
850
851 DNPRINTF(SWM_D_WS, "swapwin id %d "
852 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
853 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
854 if (cur_focus == NULL)
855 return;
856
857 wl = &cur_focus->ws->winlist;
858
859 switch (args->id) {
860 case SWM_ARG_ID_SWAPPREV:
861 target = TAILQ_PREV(cur_focus, ws_win_list, entry);
862 TAILQ_REMOVE(wl, cur_focus, entry);
863 if (target == NULL)
864 TAILQ_INSERT_TAIL(wl, cur_focus, entry);
865 else
866 TAILQ_INSERT_BEFORE(target, cur_focus, entry);
867 break;
868 case SWM_ARG_ID_SWAPNEXT:
869 target = TAILQ_NEXT(cur_focus, entry);
870 TAILQ_REMOVE(wl, cur_focus, entry);
871 if (target == NULL)
872 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
873 else
874 TAILQ_INSERT_AFTER(wl, target, cur_focus, entry);
875 break;
876 case SWM_ARG_ID_SWAPMAIN:
877 target = TAILQ_FIRST(wl);
878 if (target == cur_focus)
879 return;
880 TAILQ_REMOVE(wl, target, entry);
881 TAILQ_INSERT_BEFORE(cur_focus, target, entry);
882 TAILQ_REMOVE(wl, cur_focus, entry);
883 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
884 break;
885 default:
886 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
887 return;
888 }
889
890 ignore_enter = 2;
891 stack();
892 }
893
894 void
895 focus(struct swm_region *r, union arg *args)
896 {
897 struct ws_win *winfocus, *winlostfocus;
898 struct ws_win_list *wl;
899
900 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
901 if (cur_focus == NULL)
902 return;
903
904 wl = &cur_focus->ws->winlist;
905
906 winlostfocus = cur_focus;
907
908 switch (args->id) {
909 case SWM_ARG_ID_FOCUSPREV:
910 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
911 if (winfocus == NULL)
912 winfocus = TAILQ_LAST(wl, ws_win_list);
913 break;
914
915 case SWM_ARG_ID_FOCUSNEXT:
916 winfocus = TAILQ_NEXT(cur_focus, entry);
917 if (winfocus == NULL)
918 winfocus = TAILQ_FIRST(wl);
919 break;
920
921 case SWM_ARG_ID_FOCUSMAIN:
922 winfocus = TAILQ_FIRST(wl);
923 break;
924
925 default:
926 return;
927 }
928
929 if (winfocus == winlostfocus)
930 return;
931
932 focus_win(winfocus);
933 XSync(display, False);
934 }
935
936 void
937 cycle_layout(struct swm_region *r, union arg *args)
938 {
939 struct workspace *ws = r->ws;
940
941 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
942
943 ws->cur_layout++;
944 if (ws->cur_layout->l_stack == NULL)
945 ws->cur_layout = &layouts[0];
946 ignore_enter = 1;
947
948 stack();
949 }
950
951 void
952 stack_config(struct swm_region *r, union arg *args)
953 {
954 struct workspace *ws = r->ws;
955
956 DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
957 args->id, ws->idx);
958
959 if (ws->cur_layout->l_config != NULL)
960 ws->cur_layout->l_config(ws, args->id);
961
962 if (args->id != SWM_ARG_ID_STACKINIT);
963 stack();
964 }
965
966 void
967 stack(void) {
968 struct swm_geometry g;
969 struct swm_region *r;
970 int i, j;
971
972 DNPRINTF(SWM_D_STACK, "stack\n");
973
974 for (i = 0; i < ScreenCount(display); i++) {
975 j = 0;
976 TAILQ_FOREACH(r, &screens[i].rl, entry) {
977 DNPRINTF(SWM_D_STACK, "stacking workspace %d "
978 "(screen %d, region %d)\n", r->ws->idx, i, j++);
979
980 /* start with screen geometry, adjust for bar */
981 g = r->g;
982 g.w -= 2;
983 g.h -= 2;
984 if (bar_enabled) {
985 g.y += bar_height;
986 g.h -= bar_height;
987 }
988
989 r->ws->restack = 0;
990 r->ws->cur_layout->l_stack(r->ws, &g);
991 }
992 }
993 XSync(display, False);
994 }
995
996 void
997 stack_floater(struct ws_win *win, struct swm_region *r)
998 {
999 unsigned int mask;
1000 XWindowChanges wc;
1001
1002 bzero(&wc, sizeof wc);
1003 mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1004 wc.border_width = 1;
1005 if (win->transient) {
1006 win->g.w = (double)WIDTH(r) * dialog_ratio;
1007 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1008 }
1009 wc.width = win->g.w;
1010 wc.height = win->g.h;
1011 wc.x = (WIDTH(r) - win->g.w) / 2;
1012 wc.y = (HEIGHT(r) - win->g.h) / 2;
1013
1014 DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1015 win->id, wc.x, wc.y, wc.width, wc.height);
1016
1017 XConfigureWindow(display, win->id, mask, &wc);
1018 }
1019
1020
1021 void
1022 vertical_config(struct workspace *ws, int id)
1023 {
1024 DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1025
1026 switch (id) {
1027 case SWM_ARG_ID_STACKRESET:
1028 case SWM_ARG_ID_STACKINIT:
1029 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1030 ws->l_state.vertical_mwin = 1;
1031 break;
1032 case SWM_ARG_ID_MASTERSHRINK:
1033 if (ws->l_state.vertical_msize > 1)
1034 ws->l_state.vertical_msize--;
1035 break;
1036 case SWM_ARG_ID_MASTERGROW:
1037 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1038 ws->l_state.vertical_msize++;
1039 break;
1040 case SWM_ARG_ID_MASTERADD:
1041 ws->l_state.vertical_mwin++;
1042 break;
1043 case SWM_ARG_ID_MASTERDEL:
1044 if (ws->l_state.vertical_mwin > 0)
1045 ws->l_state.vertical_mwin--;
1046 break;
1047 default:
1048 return;
1049 }
1050 }
1051
1052 void
1053 vertical_stack(struct workspace *ws, struct swm_geometry *g) {
1054 XWindowChanges wc;
1055 struct swm_geometry gg = *g;
1056 struct ws_win *win, *winfocus;
1057 int i, j, split, colno, hrh, winno, main_width;
1058 unsigned int mask;
1059
1060 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1061
1062 if ((winno = count_win(ws, 0)) == 0)
1063 return;
1064
1065 if (ws->focus == NULL)
1066 ws->focus = TAILQ_FIRST(&ws->winlist);
1067 winfocus = cur_focus ? cur_focus : ws->focus;
1068
1069 if (ws->l_state.vertical_mwin &&
1070 winno > ws->l_state.vertical_mwin) {
1071 split = ws->l_state.vertical_mwin;
1072 colno = split;
1073 main_width = (g->w / SWM_V_SLICE) *
1074 ws->l_state.vertical_msize;
1075 gg.w = main_width;
1076 } else {
1077 colno = winno;
1078 split = 0;
1079 }
1080 hrh = g->h / colno;
1081 gg.h = hrh - 2;
1082
1083 i = j = 0;
1084 TAILQ_FOREACH(win, &ws->winlist, entry) {
1085 if (split && i == split) {
1086 colno = winno - split;
1087 hrh = (g->h / colno);
1088 gg.x += main_width + 2;
1089 gg.w = g->w - (main_width + 2);
1090 gg.h = hrh - 2;
1091 j = 0;
1092 }
1093 if (j == colno - 1)
1094 gg.h = (hrh + (g->h - (colno * hrh)));
1095
1096 if (j == 0)
1097 gg.y = g->y;
1098 else
1099 gg.y += hrh;
1100
1101
1102 if (win->transient != 0 || win->floating != 0)
1103 stack_floater(win, ws->r);
1104 else {
1105 bzero(&wc, sizeof wc);
1106 wc.border_width = 1;
1107 win->g.x = wc.x = gg.x;
1108 win->g.y = wc.y = gg.y;
1109 win->g.w = wc.width = gg.w;
1110 win->g.h = wc.height = gg.h;
1111 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1112 XConfigureWindow(display, win->id, mask, &wc);
1113 }
1114
1115 XMapRaised(display, win->id);
1116 i++;
1117 j++;
1118 }
1119
1120 if (winfocus)
1121 focus_win(winfocus); /* has to be done outside of the loop */
1122 }
1123
1124
1125 void
1126 horizontal_config(struct workspace *ws, int id)
1127 {
1128 DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1129
1130 switch (id) {
1131 case SWM_ARG_ID_STACKRESET:
1132 case SWM_ARG_ID_STACKINIT:
1133 ws->l_state.horizontal_mwin = 1;
1134 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1135 break;
1136 case SWM_ARG_ID_MASTERSHRINK:
1137 if (ws->l_state.horizontal_msize > 1)
1138 ws->l_state.horizontal_msize--;
1139 break;
1140 case SWM_ARG_ID_MASTERGROW:
1141 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1142 ws->l_state.horizontal_msize++;
1143 break;
1144 case SWM_ARG_ID_MASTERADD:
1145 ws->l_state.horizontal_mwin++;
1146 break;
1147 case SWM_ARG_ID_MASTERDEL:
1148 if (ws->l_state.horizontal_mwin > 0)
1149 ws->l_state.horizontal_mwin--;
1150 break;
1151 default:
1152 return;
1153 }
1154 }
1155
1156 void
1157 horizontal_stack(struct workspace *ws, struct swm_geometry *g) {
1158 XWindowChanges wc;
1159 struct swm_geometry gg = *g;
1160 struct ws_win *win, *winfocus;
1161 int i, j, split, rowno, hrw, winno, main_height;
1162 unsigned int mask;
1163
1164 DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
1165
1166 if ((winno = count_win(ws, 0)) == 0)
1167 return;
1168
1169 if (ws->focus == NULL)
1170 ws->focus = TAILQ_FIRST(&ws->winlist);
1171 winfocus = cur_focus ? cur_focus : ws->focus;
1172
1173 if (ws->l_state.horizontal_mwin &&
1174 winno > ws->l_state.horizontal_mwin) {
1175 split = ws->l_state.horizontal_mwin;
1176 rowno = split;
1177 main_height = (g->h / SWM_V_SLICE) *
1178 ws->l_state.horizontal_msize;
1179 gg.h = main_height;
1180 } else {
1181 rowno = winno;
1182 split = 0;
1183 }
1184 hrw = g->w / rowno;
1185 gg.w = hrw - 2;
1186
1187 i = j = 0;
1188 TAILQ_FOREACH(win, &ws->winlist, entry) {
1189 if (split && i == split) {
1190 rowno = winno - split;
1191 hrw = (g->w / rowno);
1192 gg.y += main_height + 2;
1193 gg.h = g->h - (main_height + 2);
1194 gg.w = hrw - 2;
1195 j = 0;
1196 }
1197 if (j == rowno - 1)
1198 gg.w = (hrw + (g->w - (rowno * hrw)));
1199
1200 if (j == 0)
1201 gg.x = g->x;
1202 else
1203 gg.x += hrw;
1204
1205 if (win->transient != 0 || win->floating != 0)
1206 stack_floater(win, ws->r);
1207 else {
1208 bzero(&wc, sizeof wc);
1209 wc.border_width = 1;
1210 win->g.x = wc.x = gg.x;
1211 win->g.y = wc.y = gg.y;
1212 win->g.w = wc.width = gg.w;
1213 win->g.h = wc.height = gg.h;
1214 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1215 XConfigureWindow(display, win->id, mask, &wc);
1216 }
1217
1218 XMapRaised(display, win->id);
1219 j++;
1220 i++;
1221 }
1222
1223 if (winfocus)
1224 focus_win(winfocus); /* this has to be done outside of the loop */
1225 }
1226
1227 /* fullscreen view */
1228 void
1229 max_stack(struct workspace *ws, struct swm_geometry *g) {
1230 XWindowChanges wc;
1231 struct swm_geometry gg = *g;
1232 struct ws_win *win, *winfocus;
1233 unsigned int mask;
1234
1235 DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1236
1237 if (count_win(ws, 0) == 0)
1238 return;
1239
1240 if (ws->focus == NULL)
1241 ws->focus = TAILQ_FIRST(&ws->winlist);
1242 winfocus = cur_focus ? cur_focus : ws->focus;
1243
1244 TAILQ_FOREACH(win, &ws->winlist, entry) {
1245 if (win->transient != 0 || win->floating != 0) {
1246 if (win == ws->focus) {
1247 /* XXX maximize? */
1248 stack_floater(win, ws->r);
1249 XMapRaised(display, win->id);
1250 } else
1251 XUnmapWindow(display, win->id);
1252 } else {
1253 bzero(&wc, sizeof wc);
1254 wc.border_width = 1;
1255 win->g.x = wc.x = gg.x;
1256 win->g.y = wc.y = gg.y;
1257 win->g.w = wc.width = gg.w;
1258 win->g.h = wc.height = gg.h;
1259 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1260 XConfigureWindow(display, win->id, mask, &wc);
1261
1262 if (win == ws->focus) {
1263 XMapRaised(display, win->id);
1264 } else
1265 XUnmapWindow(display, win->id);
1266 }
1267 }
1268
1269 if (winfocus)
1270 focus_win(winfocus); /* has to be done outside of the loop */
1271 }
1272
1273 void
1274 send_to_ws(struct swm_region *r, union arg *args)
1275 {
1276 int wsid = args->id;
1277 struct ws_win *win = cur_focus;
1278 struct workspace *ws, *nws;
1279
1280 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
1281
1282 ws = win->ws;
1283 nws = &win->s->ws[wsid];
1284
1285 XUnmapWindow(display, win->id);
1286
1287 /* find a window to focus */
1288 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1289 if (ws->focus == NULL)
1290 ws->focus = TAILQ_FIRST(&ws->winlist);
1291 if (ws->focus == win)
1292 ws->focus = NULL;
1293
1294 TAILQ_REMOVE(&ws->winlist, win, entry);
1295
1296 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
1297 win->ws = nws;
1298
1299 if (count_win(nws, 1) == 1)
1300 nws->focus = win;
1301 ws->restack = 1;
1302 nws->restack = 1;
1303
1304 stack();
1305 }
1306
1307 /* key definitions */
1308 struct key {
1309 unsigned int mod;
1310 KeySym keysym;
1311 void (*func)(struct swm_region *r, union arg *);
1312 union arg args;
1313 } keys[] = {
1314 /* modifier key function argument */
1315 { MODKEY, XK_space, cycle_layout, {0} },
1316 { MODKEY | ShiftMask, XK_space, stack_config, {.id = SWM_ARG_ID_STACKRESET} },
1317 { MODKEY, XK_h, stack_config, {.id = SWM_ARG_ID_MASTERSHRINK} },
1318 { MODKEY, XK_l, stack_config, {.id = SWM_ARG_ID_MASTERGROW} },
1319 { MODKEY, XK_comma, stack_config, {.id = SWM_ARG_ID_MASTERADD} },
1320 { MODKEY, XK_period, stack_config, {.id = SWM_ARG_ID_MASTERDEL} },
1321 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1322 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1323 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1324 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1325 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1326 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
1327 { MODKEY, XK_p, spawn, {.argv = spawn_menu} },
1328 { MODKEY | ShiftMask, XK_q, quit, {0} },
1329 { MODKEY, XK_q, restart, {0} },
1330 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1331 { MODKEY, XK_1, switchws, {.id = 0} },
1332 { MODKEY, XK_2, switchws, {.id = 1} },
1333 { MODKEY, XK_3, switchws, {.id = 2} },
1334 { MODKEY, XK_4, switchws, {.id = 3} },
1335 { MODKEY, XK_5, switchws, {.id = 4} },
1336 { MODKEY, XK_6, switchws, {.id = 5} },
1337 { MODKEY, XK_7, switchws, {.id = 6} },
1338 { MODKEY, XK_8, switchws, {.id = 7} },
1339 { MODKEY, XK_9, switchws, {.id = 8} },
1340 { MODKEY, XK_0, switchws, {.id = 9} },
1341 { MODKEY, XK_Right, cyclews, {.id = SWM_ARG_ID_CYCLEWS_UP} },
1342 { MODKEY, XK_Left, cyclews, {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
1343 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1344 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1345 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1346 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1347 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1348 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1349 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1350 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1351 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1352 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1353 { MODKEY, XK_b, bar_toggle, {0} },
1354 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1355 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1356 };
1357
1358 void
1359 click(struct swm_region *r, union arg *args)
1360 {
1361 DNPRINTF(SWM_D_MOUSE, "click: button: %d\n", args->id);
1362
1363 switch (args->id) {
1364 case Button1:
1365 break;
1366 case Button2:
1367 break;
1368 case Button3:
1369 break;
1370 default:
1371 return;
1372 }
1373 }
1374
1375 /* mouse */
1376 enum { client_click, root_click };
1377 struct button {
1378 unsigned int action;
1379 unsigned int mask;
1380 unsigned int button;
1381 void (*func)(struct swm_region *r, union arg *);
1382 union arg args;
1383 } buttons[] = {
1384 /* action key mouse button func args */
1385 { client_click, MODKEY, Button1, click, {.id=Button1} },
1386 };
1387
1388 void
1389 updatenumlockmask(void)
1390 {
1391 unsigned int i, j;
1392 XModifierKeymap *modmap;
1393
1394 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
1395 numlockmask = 0;
1396 modmap = XGetModifierMapping(display);
1397 for (i = 0; i < 8; i++)
1398 for (j = 0; j < modmap->max_keypermod; j++)
1399 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1400 == XKeysymToKeycode(display, XK_Num_Lock))
1401 numlockmask = (1 << i);
1402
1403 XFreeModifiermap(modmap);
1404 }
1405
1406 void
1407 grabkeys(void)
1408 {
1409 unsigned int i, j, k;
1410 KeyCode code;
1411 unsigned int modifiers[] =
1412 { 0, LockMask, numlockmask, numlockmask | LockMask };
1413
1414 DNPRINTF(SWM_D_MISC, "grabkeys\n");
1415 updatenumlockmask();
1416
1417 for (k = 0; k < ScreenCount(display); k++) {
1418 if (TAILQ_EMPTY(&screens[k].rl))
1419 continue;
1420 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
1421 for (i = 0; i < LENGTH(keys); i++) {
1422 if ((code = XKeysymToKeycode(display, keys[i].keysym)))
1423 for (j = 0; j < LENGTH(modifiers); j++)
1424 XGrabKey(display, code,
1425 keys[i].mod | modifiers[j],
1426 screens[k].root, True,
1427 GrabModeAsync, GrabModeAsync);
1428 }
1429 }
1430 }
1431
1432 void
1433 grabbuttons(struct ws_win *win, int focused)
1434 {
1435 unsigned int i, j;
1436 unsigned int modifiers[] =
1437 { 0, LockMask, numlockmask, numlockmask|LockMask };
1438
1439 updatenumlockmask();
1440 XUngrabButton(display, AnyButton, AnyModifier, win->id);
1441 if(focused) {
1442 for (i = 0; i < LENGTH(buttons); i++)
1443 if (buttons[i].action == client_click)
1444 for (j = 0; j < LENGTH(modifiers); j++)
1445 XGrabButton(display, buttons[i].button,
1446 buttons[i].mask | modifiers[j],
1447 win->id, False, BUTTONMASK,
1448 GrabModeAsync, GrabModeSync, None,
1449 None);
1450 } else
1451 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
1452 BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
1453 }
1454
1455 void
1456 expose(XEvent *e)
1457 {
1458 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
1459 }
1460
1461 void
1462 keypress(XEvent *e)
1463 {
1464 unsigned int i;
1465 KeySym keysym;
1466 XKeyEvent *ev = &e->xkey;
1467
1468 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
1469
1470 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
1471 for (i = 0; i < LENGTH(keys); i++)
1472 if (keysym == keys[i].keysym
1473 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1474 && keys[i].func)
1475 keys[i].func(root_to_region(ev->root),
1476 &(keys[i].args));
1477 }
1478
1479 void
1480 buttonpress(XEvent *e)
1481 {
1482 XButtonPressedEvent *ev = &e->xbutton;
1483
1484 struct ws_win *win;
1485 int i, action;
1486
1487 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
1488
1489 action = root_click;
1490 if ((win = find_window(ev->window)) == NULL)
1491 return;
1492 else {
1493 focus_win(win);
1494 action = client_click;
1495 }
1496
1497 for (i = 0; i < LENGTH(buttons); i++)
1498 if (action == buttons[i].action && buttons[i].func &&
1499 buttons[i].button == ev->button &&
1500 CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
1501 buttons[i].func(root_to_region(ev->root),
1502 &buttons[i].args);
1503 }
1504
1505 void
1506 set_win_state(struct ws_win *win, long state)
1507 {
1508 long data[] = {state, None};
1509
1510 DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1511
1512 XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1513 (unsigned char *)data, 2);
1514 }
1515
1516 struct ws_win *
1517 manage_window(Window id, struct workspace *ws)
1518 {
1519 Window trans;
1520 struct ws_win *win;
1521 XClassHint ch;
1522
1523 TAILQ_FOREACH(win, &ws->winlist, entry) {
1524 if (win->id == id)
1525 return (win); /* already being managed */
1526 }
1527
1528 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
1529 errx(1, "calloc: failed to allocate memory for new window");
1530
1531 win->id = id;
1532 win->ws = ws;
1533 win->s = ws->r->s; /* this never changes */
1534 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
1535
1536 /* make new win focused */
1537 focus_win(win);
1538
1539 XGetTransientForHint(display, win->id, &trans);
1540 if (trans) {
1541 win->transient = trans;
1542 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
1543 (unsigned)win->id, win->transient);
1544 }
1545 XGetWindowAttributes(display, id, &win->wa);
1546 win->g.w = win->wa.width;
1547 win->g.h = win->wa.height;
1548 win->g.x = win->wa.x;
1549 win->g.y = win->wa.y;
1550
1551 /* XXX make this a table */
1552 bzero(&ch, sizeof ch);
1553 if (XGetClassHint(display, win->id, &ch)) {
1554 /*fprintf(stderr, "class: %s name: %s\n", ch.res_class, ch.res_name); */
1555 if (!strcmp(ch.res_class, "MPlayer") && !strcmp(ch.res_name, "xv")) {
1556 win->floating = 1;
1557 }
1558 if (ch.res_class)
1559 XFree(ch.res_class);
1560 if (ch.res_name)
1561 XFree(ch.res_name);
1562 }
1563
1564 XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
1565 PropertyChangeMask | StructureNotifyMask);
1566
1567 set_win_state(win, NormalState);
1568
1569 return (win);
1570 }
1571
1572 void
1573 configurerequest(XEvent *e)
1574 {
1575 XConfigureRequestEvent *ev = &e->xconfigurerequest;
1576 struct ws_win *win;
1577 int new = 1;
1578 XWindowChanges wc;
1579
1580 if ((win = find_window(ev->window)) == NULL)
1581 new = 1;
1582
1583 if (new) {
1584 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
1585 ev->window);
1586 bzero(&wc, sizeof wc);
1587 wc.x = ev->x;
1588 wc.y = ev->y;
1589 wc.width = ev->width;
1590 wc.height = ev->height;
1591 wc.border_width = ev->border_width;
1592 wc.sibling = ev->above;
1593 wc.stack_mode = ev->detail;
1594 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
1595 } else {
1596 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
1597 ev->window);
1598 if (win->floating) {
1599 if (ev->value_mask & CWX)
1600 win->g.x = ev->x;
1601 if (ev->value_mask & CWY)
1602 win->g.y = ev->y;
1603 if (ev->value_mask & CWWidth)
1604 win->g.w = ev->width;
1605 if (ev->value_mask & CWHeight)
1606 win->g.h = ev->height;
1607 if (win->ws->r != NULL) {
1608 /* this seems to be full screen */
1609 if (win->g.w > WIDTH(win->ws->r)) {
1610 /* kill border */
1611 win->g.x -= 1;
1612 win->g.w += 1;
1613 }
1614 if (win->g.h > HEIGHT(win->ws->r)) {
1615 /* kill border */
1616 win->g.y -= 1;
1617 win->g.h += 1;
1618 }
1619 }
1620 if ((ev->value_mask & (CWX|CWY)) &&
1621 !(ev->value_mask & (CWWidth|CWHeight)))
1622 config_win(win);
1623 XMoveResizeWindow(display, win->id,
1624 win->g.x, win->g.y, win->g.w, win->g.h);
1625 } else
1626 config_win(win);
1627 }
1628 }
1629
1630 void
1631 configurenotify(XEvent *e)
1632 {
1633 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
1634 e->xconfigure.window);
1635 }
1636
1637 void
1638 destroynotify(XEvent *e)
1639 {
1640 struct ws_win *win;
1641 XDestroyWindowEvent *ev = &e->xdestroywindow;
1642 struct workspace *ws;
1643
1644 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
1645
1646 if ((win = find_window(ev->window)) != NULL) {
1647 ws = win->ws;
1648 /* find a window to focus */
1649 if (ws->focus == win)
1650 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1651 if (ws->focus == NULL)
1652 ws->focus = TAILQ_FIRST(&ws->winlist);
1653 if (ws->focus == win)
1654 ws->focus = NULL;
1655 if (cur_focus == win)
1656 focus_win(ws->focus);
1657
1658 TAILQ_REMOVE(&ws->winlist, win, entry);
1659 set_win_state(win, WithdrawnState);
1660 free(win);
1661 }
1662 stack();
1663 }
1664
1665 void
1666 enternotify(XEvent *e)
1667 {
1668 XCrossingEvent *ev = &e->xcrossing;
1669 struct ws_win *win;
1670
1671 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
1672
1673 if (ignore_enter) {
1674 /* eat event(r) to prevent autofocus */
1675 ignore_enter--;
1676 return;
1677 }
1678
1679 if ((win = find_window(ev->window)) != NULL)
1680 focus_win(win);
1681 }
1682
1683 void
1684 focusin(XEvent *e)
1685 {
1686 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
1687 }
1688
1689 void
1690 mappingnotify(XEvent *e)
1691 {
1692 XMappingEvent *ev = &e->xmapping;
1693
1694 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
1695
1696 XRefreshKeyboardMapping(ev);
1697 if (ev->request == MappingKeyboard)
1698 grabkeys();
1699 }
1700
1701 void
1702 maprequest(XEvent *e)
1703 {
1704 XMapRequestEvent *ev = &e->xmaprequest;
1705 XWindowAttributes wa;
1706 struct swm_region *r;
1707
1708 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
1709 e->xmaprequest.window);
1710
1711 if (!XGetWindowAttributes(display, ev->window, &wa))
1712 return;
1713 if (wa.override_redirect)
1714 return;
1715 r = root_to_region(wa.root);
1716 manage_window(e->xmaprequest.window, r->ws);
1717 stack();
1718 }
1719
1720 void
1721 propertynotify(XEvent *e)
1722 {
1723 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
1724 e->xproperty.window);
1725 }
1726
1727 void
1728 unmapnotify(XEvent *e)
1729 {
1730 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
1731 }
1732
1733 void
1734 visibilitynotify(XEvent *e)
1735 {
1736 int i;
1737 struct swm_region *r;
1738
1739 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
1740 e->xvisibility.window);
1741 if (e->xvisibility.state == VisibilityUnobscured)
1742 for (i = 0; i < ScreenCount(display); i++)
1743 TAILQ_FOREACH(r, &screens[i].rl, entry)
1744 if (e->xvisibility.window == r->bar_window)
1745 bar_update();
1746 }
1747
1748 void (*handler[LASTEvent])(XEvent *) = {
1749 [Expose] = expose,
1750 [KeyPress] = keypress,
1751 [ButtonPress] = buttonpress,
1752 [ConfigureRequest] = configurerequest,
1753 [ConfigureNotify] = configurenotify,
1754 [DestroyNotify] = destroynotify,
1755 [EnterNotify] = enternotify,
1756 [FocusIn] = focusin,
1757 [MappingNotify] = mappingnotify,
1758 [MapRequest] = maprequest,
1759 [PropertyNotify] = propertynotify,
1760 [UnmapNotify] = unmapnotify,
1761 [VisibilityNotify] = visibilitynotify,
1762 };
1763
1764 int
1765 xerror_start(Display *d, XErrorEvent *ee)
1766 {
1767 other_wm = 1;
1768 return (-1);
1769 }
1770
1771 int
1772 xerror(Display *d, XErrorEvent *ee)
1773 {
1774 /* fprintf(stderr, "error: %p %p\n", display, ee); */
1775 return (-1);
1776 }
1777
1778 int
1779 active_wm(void)
1780 {
1781 other_wm = 0;
1782 xerrorxlib = XSetErrorHandler(xerror_start);
1783
1784 /* this causes an error if some other window manager is running */
1785 XSelectInput(display, DefaultRootWindow(display),
1786 SubstructureRedirectMask);
1787 XSync(display, False);
1788 if (other_wm)
1789 return (1);
1790
1791 XSetErrorHandler(xerror);
1792 XSync(display, False);
1793 return (0);
1794 }
1795
1796 long
1797 getstate(Window w)
1798 {
1799 int format, status;
1800 long result = -1;
1801 unsigned char *p = NULL;
1802 unsigned long n, extra;
1803 Atom real;
1804
1805 astate = XInternAtom(display, "WM_STATE", False);
1806 status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
1807 &real, &format, &n, &extra, (unsigned char **)&p);
1808 if (status != Success)
1809 return (-1);
1810 if (n != 0)
1811 result = *p;
1812 XFree(p);
1813 return (result);
1814 }
1815
1816 void
1817 new_region(struct swm_screen *s, struct workspace *ws,
1818 int x, int y, int w, int h)
1819 {
1820 struct swm_region *r;
1821
1822 DNPRINTF(SWM_D_MISC, "new region on screen %d: %dx%d (%d, %d)\n",
1823 s->idx, x, y, w, h);
1824
1825 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
1826 errx(1, "calloc: failed to allocate memory for screen");
1827
1828 X(r) = x;
1829 Y(r) = y;
1830 WIDTH(r) = w;
1831 HEIGHT(r) = h;
1832 r->s = s;
1833 r->ws = ws;
1834 ws->r = r;
1835 TAILQ_INSERT_TAIL(&s->rl, r, entry);
1836 bar_setup(r);
1837 }
1838
1839 void
1840 setup_screens(void)
1841 {
1842 #ifdef SWM_XRR_HAS_CRTC
1843 XRRCrtcInfo *ci;
1844 XRRScreenResources *sr;
1845 int c;
1846 #endif /* SWM_XRR_HAS_CRTC */
1847 Window d1, d2, *wins = NULL;
1848 XWindowAttributes wa;
1849 struct swm_region *r;
1850 unsigned int no;
1851 int errorbase, major, minor;
1852 int ncrtc = 0, w = 0;
1853 int i, j, k;
1854 struct workspace *ws;
1855
1856 if ((screens = calloc(ScreenCount(display),
1857 sizeof(struct swm_screen))) == NULL)
1858 errx(1, "calloc: screens");
1859
1860 /* map physical screens */
1861 for (i = 0; i < ScreenCount(display); i++) {
1862 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
1863 screens[i].idx = i;
1864 TAILQ_INIT(&screens[i].rl);
1865 screens[i].root = RootWindow(display, i);
1866
1867 /* set default colors */
1868 screens[i].color_focus = name_to_color("red");
1869 screens[i].color_unfocus = name_to_color("rgb:88/88/88");
1870 screens[i].bar_border = name_to_color("rgb:00/80/80");
1871 screens[i].bar_color = name_to_color("black");
1872 screens[i].bar_font_color = name_to_color("rgb:a0/a0/a0");
1873
1874 /* init all workspaces */
1875 for (j = 0; j < SWM_WS_MAX; j++) {
1876 ws = &screens[i].ws[j];
1877 ws->idx = j;
1878 ws->restack = 1;
1879 ws->focus = NULL;
1880 ws->r = NULL;
1881 TAILQ_INIT(&ws->winlist);
1882
1883 for (k = 0; layouts[k].l_stack != NULL; k++)
1884 if (layouts[k].l_config != NULL)
1885 layouts[k].l_config(ws,
1886 SWM_ARG_ID_STACKINIT);
1887 ws->cur_layout = &layouts[0];
1888 }
1889
1890 /* map virtual screens onto physical screens */
1891 screens[i].xrandr_support = XRRQueryExtension(display,
1892 &xrandr_eventbase, &errorbase);
1893 if (screens[i].xrandr_support)
1894 if (XRRQueryVersion(display, &major, &minor) &&
1895 major < 1)
1896 screens[i].xrandr_support = 0;
1897
1898 #if 0 /* not ready for dynamic screen changes */
1899 if (screens[i].xrandr_support)
1900 XRRSelectInput(display,
1901 screens[r->s].root,
1902 RRScreenChangeNotifyMask);
1903 #endif
1904
1905 /* grab existing windows (before we build the bars)*/
1906 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
1907 continue;
1908
1909 #ifdef SWM_XRR_HAS_CRTC
1910 sr = XRRGetScreenResources(display, screens[i].root);
1911 if (sr == NULL)
1912 new_region(&screens[i], &screens[i].ws[w],
1913 0, 0, DisplayWidth(display, i),
1914 DisplayHeight(display, i));
1915 else
1916 ncrtc = sr->ncrtc;
1917
1918 for (c = 0; c < ncrtc; c++) {
1919 ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
1920 if (ci->noutput == 0)
1921 continue;
1922
1923 if (ci != NULL && ci->mode == None)
1924 new_region(&screens[i], &screens[i].ws[w], 0, 0,
1925 DisplayWidth(display, i),
1926 DisplayHeight(display, i));
1927 else
1928 new_region(&screens[i], &screens[i].ws[w],
1929 ci->x, ci->y, ci->width, ci->height);
1930 w++;
1931 }
1932 XRRFreeCrtcInfo(ci);
1933 XRRFreeScreenResources(sr);
1934 #else
1935 new_region(&screens[i], &screens[i].ws[w], 0, 0,
1936 DisplayWidth(display, i),
1937 DisplayHeight(display, i));
1938 #endif /* SWM_XRR_HAS_CRTC */
1939
1940 /* attach windows to a region */
1941 /* normal windows */
1942 if ((r = TAILQ_FIRST(&screens[i].rl)) == NULL)
1943 errx(1, "no regions on screen %d", i);
1944
1945 for (i = 0; i < no; i++) {
1946 XGetWindowAttributes(display, wins[i], &wa);
1947 if (!XGetWindowAttributes(display, wins[i], &wa) ||
1948 wa.override_redirect ||
1949 XGetTransientForHint(display, wins[i], &d1))
1950 continue;
1951
1952 if (wa.map_state == IsViewable ||
1953 getstate(wins[i]) == NormalState)
1954 manage_window(wins[i], r->ws);
1955 }
1956 /* transient windows */
1957 for (i = 0; i < no; i++) {
1958 if (!XGetWindowAttributes(display, wins[i], &wa))
1959 continue;
1960
1961 if (XGetTransientForHint(display, wins[i], &d1) &&
1962 (wa.map_state == IsViewable || getstate(wins[i]) ==
1963 NormalState))
1964 manage_window(wins[i], r->ws);
1965 }
1966 if (wins) {
1967 XFree(wins);
1968 wins = NULL;
1969 }
1970 }
1971 }
1972
1973 int
1974 main(int argc, char *argv[])
1975 {
1976 struct passwd *pwd;
1977 char conf[PATH_MAX], *cfile = NULL;
1978 struct stat sb;
1979 XEvent e;
1980 int xfd;
1981 fd_set rd;
1982
1983 start_argv = argv;
1984 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
1985 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
1986 warnx("no locale support");
1987
1988 if (!(display = XOpenDisplay(0)))
1989 errx(1, "can not open display");
1990
1991 if (active_wm())
1992 errx(1, "other wm running");
1993
1994 astate = XInternAtom(display, "WM_STATE", False);
1995
1996 /* look for local and global conf file */
1997 pwd = getpwuid(getuid());
1998 if (pwd == NULL)
1999 errx(1, "invalid user %d", getuid());
2000
2001 setup_screens();
2002
2003 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
2004 if (stat(conf, &sb) != -1) {
2005 if (S_ISREG(sb.st_mode))
2006 cfile = conf;
2007 } else {
2008 /* try global conf file */
2009 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
2010 if (!stat(conf, &sb))
2011 if (S_ISREG(sb.st_mode))
2012 cfile = conf;
2013 }
2014 if (cfile)
2015 conf_load(cfile);
2016 bar_refresh();
2017
2018 /* ws[0].focus = TAILQ_FIRST(&ws[0].winlist); */
2019
2020 grabkeys();
2021 stack();
2022
2023 xfd = ConnectionNumber(display);
2024 while (running) {
2025 FD_SET(xfd, &rd);
2026 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
2027 if (errno != EINTR)
2028 errx(1, "select failed");
2029 if (bar_alarm) {
2030 bar_alarm = 0;
2031 bar_update();
2032 }
2033 while(XPending(display)) {
2034 XNextEvent(display, &e);
2035 if (handler[e.type])
2036 handler[e.type](&e);
2037 }
2038 }
2039
2040 XCloseDisplay(display);
2041
2042 return (0);
2043 }
spectrwm is a small dynamic tiling and reparenting window manager for X11