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