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More stacking cleanup, and fix the divide-by-zero reported by pyr.
[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 static const char *cvstag = "$scrotwm$";
52
53 #define SWM_VERSION "0.8"
54
55 #include <stdio.h>
56 #include <stdlib.h>
57 #include <err.h>
58 #include <errno.h>
59 #include <fcntl.h>
60 #include <locale.h>
61 #include <unistd.h>
62 #include <time.h>
63 #include <signal.h>
64 #include <string.h>
65 #include <util.h>
66 #include <pwd.h>
67 #include <ctype.h>
68
69 #include <sys/types.h>
70 #include <sys/time.h>
71 #include <sys/stat.h>
72 #include <sys/wait.h>
73 #include <sys/queue.h>
74 #include <sys/param.h>
75 #include <sys/select.h>
76
77 #include <X11/cursorfont.h>
78 #include <X11/keysym.h>
79 #include <X11/Xatom.h>
80 #include <X11/Xlib.h>
81 #include <X11/Xproto.h>
82 #include <X11/Xutil.h>
83 #include <X11/extensions/Xrandr.h>
84
85 #if RANDR_MAJOR < 1
86 # error XRandR versions less than 1.0 are not supported
87 #endif
88
89 #if RANDR_MAJOR >= 1
90 #if RANDR_MINOR >= 2
91 #define SWM_XRR_HAS_CRTC
92 #endif
93 #endif
94
95 /* #define SWM_DEBUG */
96 #ifdef SWM_DEBUG
97 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
98 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
99 #define SWM_D_MISC 0x0001
100 #define SWM_D_EVENT 0x0002
101 #define SWM_D_WS 0x0004
102 #define SWM_D_FOCUS 0x0008
103 #define SWM_D_MOVE 0x0010
104 #define SWM_D_STACK 0x0020
105 #define SWM_D_MOUSE 0x0040
106 #define SWM_D_PROP 0x0080
107 #define SWM_D_CLASS 0x0100
108
109 u_int32_t swm_debug = 0
110 | SWM_D_MISC
111 | SWM_D_EVENT
112 | SWM_D_WS
113 | SWM_D_FOCUS
114 | SWM_D_MOVE
115 | SWM_D_STACK
116 | SWM_D_MOUSE
117 | SWM_D_PROP
118 | SWM_D_CLASS
119 ;
120 #else
121 #define DPRINTF(x...)
122 #define DNPRINTF(n,x...)
123 #endif
124
125 #define LENGTH(x) (sizeof x / sizeof x[0])
126 #define MODKEY Mod1Mask
127 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
128 #define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
129 #define MOUSEMASK (BUTTONMASK|PointerMotionMask)
130 #define SWM_PROPLEN (16)
131 #define X(r) (r)->g.x
132 #define Y(r) (r)->g.y
133 #define WIDTH(r) (r)->g.w
134 #define HEIGHT(r) (r)->g.h
135
136 #ifndef SWM_LIB
137 #define SWM_LIB "/usr/X11R6/lib/swmhack.so"
138 #endif
139
140 char **start_argv;
141 Atom astate;
142 int (*xerrorxlib)(Display *, XErrorEvent *);
143 int other_wm;
144 int running = 1;
145 int ss_enabled = 0;
146 int xrandr_support;
147 int xrandr_eventbase;
148 int ignore_enter = 0;
149 unsigned int numlockmask = 0;
150 Display *display;
151
152 int cycle_empty = 0;
153 int cycle_visible = 0;
154
155 /* dialog windows */
156 double dialog_ratio = .6;
157 /* status bar */
158 #define SWM_BAR_MAX (128)
159 char *bar_argv[] = { NULL, NULL };
160 int bar_pipe[2];
161 char bar_ext[SWM_BAR_MAX];
162 char bar_vertext[SWM_BAR_MAX];
163 int bar_version = 0;
164 sig_atomic_t bar_alarm = 0;
165 int bar_delay = 30;
166 int bar_enabled = 1;
167 int bar_extra = 1;
168 int bar_extra_running = 0;
169 int bar_verbose = 1;
170 int bar_height = 0;
171 pid_t bar_pid;
172 GC bar_gc;
173 XGCValues bar_gcv;
174 int bar_fidx = 0;
175 XFontStruct *bar_fs;
176 char *bar_fonts[] = {
177 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
178 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
179 NULL
180 };
181
182 /* terminal + args */
183 char *spawn_term[] = { "xterm", NULL };
184 char *spawn_screenshot[] = { "screenshot.sh", NULL, NULL };
185 char *spawn_lock[] = { "xlock", NULL };
186 char *spawn_initscr[] = { "initscreen.sh", NULL };
187 char *spawn_menu[] = { "dmenu_run", "-fn", NULL, "-nb", NULL,
188 "-nf", NULL, "-sb", NULL, "-sf", NULL, NULL };
189
190 #define SWM_MENU_FN (2)
191 #define SWM_MENU_NB (4)
192 #define SWM_MENU_NF (6)
193 #define SWM_MENU_SB (8)
194 #define SWM_MENU_SF (10)
195
196 /* layout manager data */
197 struct swm_geometry {
198 int x;
199 int y;
200 int w;
201 int h;
202 };
203
204 struct swm_screen;
205 struct workspace;
206
207 /* virtual "screens" */
208 struct swm_region {
209 TAILQ_ENTRY(swm_region) entry;
210 struct swm_geometry g;
211 struct workspace *ws; /* current workspace on this region */
212 struct swm_screen *s; /* screen idx */
213 Window bar_window;
214 };
215 TAILQ_HEAD(swm_region_list, swm_region);
216
217 struct ws_win {
218 TAILQ_ENTRY(ws_win) entry;
219 Window id;
220 struct swm_geometry g;
221 int got_focus;
222 int floating;
223 int transient;
224 int manual;
225 unsigned long quirks;
226 struct workspace *ws; /* always valid */
227 struct swm_screen *s; /* always valid, never changes */
228 XWindowAttributes wa;
229 XSizeHints sh;
230 XClassHint ch;
231 };
232 TAILQ_HEAD(ws_win_list, ws_win);
233
234 /* layout handlers */
235 void stack(void);
236 void vertical_config(struct workspace *, int);
237 void vertical_stack(struct workspace *, struct swm_geometry *);
238 void horizontal_config(struct workspace *, int);
239 void horizontal_stack(struct workspace *, struct swm_geometry *);
240 void max_stack(struct workspace *, struct swm_geometry *);
241
242 void grabbuttons(struct ws_win *, int);
243
244 struct layout {
245 void (*l_stack)(struct workspace *, struct swm_geometry *);
246 void (*l_config)(struct workspace *, int);
247 } layouts[] = {
248 /* stack, configure */
249 { vertical_stack, vertical_config},
250 { horizontal_stack, horizontal_config},
251 { max_stack, NULL},
252 { NULL, NULL},
253 };
254
255 #define SWM_H_SLICE (32)
256 #define SWM_V_SLICE (32)
257
258 /* define work spaces */
259 struct workspace {
260 int idx; /* workspace index */
261 int restack; /* restack on switch */
262 struct layout *cur_layout; /* current layout handlers */
263 struct ws_win *focus; /* may be NULL */
264 struct swm_region *r; /* may be NULL */
265 struct ws_win_list winlist; /* list of windows in ws */
266
267 /* stacker state */
268 struct {
269 int horizontal_msize;
270 int horizontal_mwin;
271 int horizontal_stacks;
272 int vertical_msize;
273 int vertical_mwin;
274 int vertical_stacks;
275 } l_state;
276 };
277
278 enum { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
279 SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
280
281 /* physical screen mapping */
282 #define SWM_WS_MAX (10) /* XXX Too small? */
283 struct swm_screen {
284 int idx; /* screen index */
285 struct swm_region_list rl; /* list of regions on this screen */
286 struct swm_region_list orl; /* list of old regions */
287 Window root;
288 struct workspace ws[SWM_WS_MAX];
289
290 /* colors */
291 struct {
292 unsigned long color;
293 char *name;
294 } c[SWM_S_COLOR_MAX];
295 };
296 struct swm_screen *screens;
297 int num_screens;
298
299 struct ws_win *cur_focus = NULL;
300
301 /* args to functions */
302 union arg {
303 int id;
304 #define SWM_ARG_ID_FOCUSNEXT (0)
305 #define SWM_ARG_ID_FOCUSPREV (1)
306 #define SWM_ARG_ID_FOCUSMAIN (2)
307 #define SWM_ARG_ID_SWAPNEXT (3)
308 #define SWM_ARG_ID_SWAPPREV (4)
309 #define SWM_ARG_ID_SWAPMAIN (5)
310 #define SWM_ARG_ID_MASTERSHRINK (6)
311 #define SWM_ARG_ID_MASTERGROW (7)
312 #define SWM_ARG_ID_MASTERADD (8)
313 #define SWM_ARG_ID_MASTERDEL (9)
314 #define SWM_ARG_ID_STACKRESET (10)
315 #define SWM_ARG_ID_STACKINIT (11)
316 #define SWM_ARG_ID_CYCLEWS_UP (12)
317 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
318 #define SWM_ARG_ID_CYCLESC_UP (14)
319 #define SWM_ARG_ID_CYCLESC_DOWN (15)
320 #define SWM_ARG_ID_STACKINC (16)
321 #define SWM_ARG_ID_STACKDEC (17)
322 #define SWM_ARG_ID_SS_ALL (0)
323 #define SWM_ARG_ID_SS_WINDOW (1)
324 #define SWM_ARG_ID_DONTCENTER (0)
325 #define SWM_ARG_ID_CENTER (1)
326 char **argv;
327 };
328
329 /* quirks */
330 struct quirk {
331 char *class;
332 char *name;
333 unsigned long quirk;
334 #define SWM_Q_FLOAT (1<<0) /* float this window */
335 #define SWM_Q_TRANSSZ (1<<1) /* transiend window size too small */
336 #define SWM_Q_ANYWHERE (1<<2) /* don't position this window */
337 } quirks[] = {
338 { "MPlayer", "xv", SWM_Q_FLOAT },
339 { "OpenOffice.org 2.4", "VCLSalFrame", SWM_Q_FLOAT },
340 { "OpenOffice.org 3.0", "VCLSalFrame", SWM_Q_FLOAT },
341 { "Firefox-bin", "firefox-bin", SWM_Q_TRANSSZ},
342 { "Gimp", "gimp", SWM_Q_FLOAT | SWM_Q_ANYWHERE},
343 { NULL, NULL, 0},
344 };
345
346 /* events */
347 void expose(XEvent *);
348 void keypress(XEvent *);
349 void buttonpress(XEvent *);
350 void configurerequest(XEvent *);
351 void configurenotify(XEvent *);
352 void destroynotify(XEvent *);
353 void enternotify(XEvent *);
354 void focusin(XEvent *);
355 void mappingnotify(XEvent *);
356 void maprequest(XEvent *);
357 void propertynotify(XEvent *);
358 void unmapnotify(XEvent *);
359 void visibilitynotify(XEvent *);
360
361 void (*handler[LASTEvent])(XEvent *) = {
362 [Expose] = expose,
363 [KeyPress] = keypress,
364 [ButtonPress] = buttonpress,
365 [ConfigureRequest] = configurerequest,
366 [ConfigureNotify] = configurenotify,
367 [DestroyNotify] = destroynotify,
368 [EnterNotify] = enternotify,
369 [FocusIn] = focusin,
370 [MappingNotify] = mappingnotify,
371 [MapRequest] = maprequest,
372 [PropertyNotify] = propertynotify,
373 [UnmapNotify] = unmapnotify,
374 [VisibilityNotify] = visibilitynotify,
375 };
376
377 unsigned long
378 name_to_color(char *colorname)
379 {
380 Colormap cmap;
381 Status status;
382 XColor screen_def, exact_def;
383 unsigned long result = 0;
384 char cname[32] = "#";
385
386 cmap = DefaultColormap(display, screens[0].idx);
387 status = XAllocNamedColor(display, cmap, colorname,
388 &screen_def, &exact_def);
389 if (!status) {
390 strlcat(cname, colorname + 2, sizeof cname - 1);
391 status = XAllocNamedColor(display, cmap, cname, &screen_def,
392 &exact_def);
393 }
394 if (status)
395 result = screen_def.pixel;
396 else
397 fprintf(stderr, "color '%s' not found.\n", colorname);
398
399 return (result);
400 }
401
402 void
403 setscreencolor(char *val, int i, int c)
404 {
405 if (i > 0 && i <= ScreenCount(display)) {
406 screens[i - 1].c[c].color = name_to_color(val);
407 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
408 errx(1, "strdup");
409 } else if (i == -1) {
410 for (i = 0; i < ScreenCount(display); i++)
411 screens[i].c[c].color = name_to_color(val);
412 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
413 errx(1, "strdup");
414 } else
415 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
416 i, ScreenCount(display));
417 }
418
419 void new_region(struct swm_screen *, int, int, int, int);
420
421 void
422 custom_region(char *val)
423 {
424 unsigned int sidx, x, y, w, h;
425
426 if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
427 errx(1, "invalid custom region, "
428 "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
429 if (sidx < 1 || sidx > ScreenCount(display))
430 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
431 sidx, ScreenCount(display));
432 sidx--;
433
434 if (w < 1 || h < 1)
435 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
436
437 if (x < 0 || x > DisplayWidth(display, sidx) ||
438 y < 0 || y > DisplayHeight(display, sidx) ||
439 w + x > DisplayWidth(display, sidx) ||
440 h + y > DisplayHeight(display, sidx))
441 errx(1, "region %ux%u+%u+%u not within screen boundaries "
442 "(%ux%u)\n", w, h, x, y,
443 DisplayWidth(display, sidx), DisplayHeight(display, sidx));
444
445 new_region(&screens[sidx], x, y, w, h);
446 }
447
448 int
449 varmatch(char *var, char *name, int *index)
450 {
451 char *p, buf[5];
452 int i;
453
454 i = strncmp(var, name, 255);
455 if (index == NULL)
456 return (i);
457
458 *index = -1;
459 if (i <= 0)
460 return (i);
461 p = var + strlen(name);
462 if (*p++ != '[')
463 return (i);
464 bzero(buf, sizeof buf);
465 i = 0;
466 while (isdigit(*p) && i < sizeof buf)
467 buf[i++] = *p++;
468 if (i == 0 || i >= sizeof buf || *p != ']')
469 return (1);
470 *index = strtonum(buf, 0, 99, NULL);
471 return (0);
472 }
473
474 /* conf file stuff */
475 #define SWM_CONF_WS "\n= \t"
476 #define SWM_CONF_FILE "scrotwm.conf"
477 int
478 conf_load(char *filename)
479 {
480 FILE *config;
481 char *line, *cp, *var, *val;
482 size_t len, lineno = 0;
483 int i, sc;
484
485 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
486
487 if (filename == NULL)
488 return (1);
489
490 if ((config = fopen(filename, "r")) == NULL)
491 return (1);
492
493 for (sc = ScreenCount(display);;) {
494 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
495 if (feof(config))
496 break;
497 cp = line;
498 cp += (long)strspn(cp, SWM_CONF_WS);
499 if (cp[0] == '\0') {
500 /* empty line */
501 free(line);
502 continue;
503 }
504 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
505 break;
506 cp += (long)strspn(cp, SWM_CONF_WS);
507 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
508 break;
509
510 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
511 switch (var[0]) {
512 case 'b':
513 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
514 bar_enabled = atoi(val);
515 else if (!varmatch(var, "bar_border", &i))
516 setscreencolor(val, i, SWM_S_COLOR_BAR_BORDER);
517 else if (!varmatch(var, "bar_color", &i))
518 setscreencolor(val, i, SWM_S_COLOR_BAR);
519 else if (!varmatch(var, "bar_font_color", &i))
520 setscreencolor(val, i, SWM_S_COLOR_BAR_FONT);
521 else if (!strncmp(var, "bar_font", strlen("bar_font")))
522 asprintf(&bar_fonts[0], "%s", val);
523 else if (!strncmp(var, "bar_action", strlen("bar_action")))
524 asprintf(&bar_argv[0], "%s", val);
525 else if (!strncmp(var, "bar_delay", strlen("bar_delay")))
526 bar_delay = atoi(val);
527 else
528 goto bad;
529 break;
530
531 case 'c':
532 if (!varmatch(var, "color_focus", &i))
533 setscreencolor(val, i, SWM_S_COLOR_FOCUS);
534 else if (!varmatch(var, "color_unfocus", &i))
535 setscreencolor(val, i, SWM_S_COLOR_UNFOCUS);
536 else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
537 cycle_visible = atoi(val);
538 else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
539 cycle_visible = atoi(val);
540 else
541 goto bad;
542 break;
543
544 case 'd':
545 if (!strncmp(var, "dialog_ratio",
546 strlen("dialog_ratio"))) {
547 dialog_ratio = atof(val);
548 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
549 dialog_ratio = .6;
550 } else
551 goto bad;
552 break;
553
554 case 'r':
555 if (!strncmp(var, "region", strlen("region")))
556 custom_region(val);
557 else
558 goto bad;
559 break;
560
561 case 's':
562 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
563 asprintf(&spawn_term[0], "%s", val);
564 if (!strncmp(var, "screenshot_enabled",
565 strlen("screenshot_enabled")))
566 ss_enabled = atoi(val);
567 if (!strncmp(var, "screenshot_app",
568 strlen("screenshot_app")))
569 asprintf(&spawn_screenshot[0], "%s", val);
570 break;
571 default:
572 goto bad;
573 }
574 free(line);
575 }
576
577 fclose(config);
578 return (0);
579
580 bad:
581 errx(1, "invalid conf file entry: %s=%s", var, val);
582 }
583
584 void
585 socket_setnonblock(int fd)
586 {
587 int flags;
588
589 if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
590 err(1, "fcntl F_GETFL");
591 flags |= O_NONBLOCK;
592 if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
593 err(1, "fcntl F_SETFL");
594 }
595
596 void
597 bar_print(struct swm_region *r, char *s)
598 {
599 XClearWindow(display, r->bar_window);
600 XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
601 XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
602 strlen(s));
603 }
604
605 void
606 bar_extra_stop(void)
607 {
608 if (bar_pipe[0]) {
609 close(bar_pipe[0]);
610 bzero(bar_pipe, sizeof bar_pipe);
611 }
612 if (bar_pid) {
613 kill(bar_pid, SIGTERM);
614 bar_pid = 0;
615 }
616 strlcpy(bar_ext, "", sizeof bar_ext);
617 bar_extra = 0;
618 }
619
620 void
621 bar_update(void)
622 {
623 time_t tmt;
624 struct tm tm;
625 struct swm_region *r;
626 int i, x;
627 size_t len;
628 char s[SWM_BAR_MAX];
629 char loc[SWM_BAR_MAX];
630 char *b;
631
632 if (bar_enabled == 0)
633 return;
634
635 if (bar_extra && bar_extra_running) {
636 /* ignore short reads; it'll correct itself */
637 while ((b = fgetln(stdin, &len)) != NULL)
638 if (b && b[len - 1] == '\n') {
639 b[len - 1] = '\0';
640 strlcpy(bar_ext, b, sizeof bar_ext);
641 }
642 if (b == NULL && errno != EAGAIN) {
643 fprintf(stderr, "bar_extra failed: errno: %d %s\n",
644 errno, strerror(errno));
645 bar_extra_stop();
646 }
647 } else
648 strlcpy(bar_ext, "", sizeof bar_ext);
649
650 time(&tmt);
651 localtime_r(&tmt, &tm);
652 strftime(s, sizeof s, "%a %b %d %R %Z %Y", &tm);
653 for (i = 0; i < ScreenCount(display); i++) {
654 x = 1;
655 TAILQ_FOREACH(r, &screens[i].rl, entry) {
656 snprintf(loc, sizeof loc, "%s %d:%d %s %s",
657 s, x++, r->ws->idx + 1, bar_ext, bar_vertext);
658 bar_print(r, loc);
659 }
660 }
661 XSync(display, False);
662 alarm(bar_delay);
663 }
664
665 void
666 bar_signal(int sig)
667 {
668 bar_alarm = 1;
669 }
670
671 void
672 bar_toggle(struct swm_region *r, union arg *args)
673 {
674 struct swm_region *tmpr;
675 int i, j, sc = ScreenCount(display);
676
677 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
678
679 if (bar_enabled) {
680 for (i = 0; i < sc; i++)
681 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
682 XUnmapWindow(display, tmpr->bar_window);
683 } else {
684 for (i = 0; i < sc; i++)
685 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
686 XMapRaised(display, tmpr->bar_window);
687 }
688 bar_enabled = !bar_enabled;
689 XSync(display, False);
690 for (i = 0; i < sc; i++)
691 for (j = 0; j < SWM_WS_MAX; j++)
692 screens[i].ws[j].restack = 1;
693
694 stack();
695 /* must be after stack */
696 for (i = 0; i < sc; i++)
697 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
698 bar_update();
699 }
700
701 void
702 bar_refresh(void)
703 {
704 XSetWindowAttributes wa;
705 struct swm_region *r;
706 int i;
707
708 /* do this here because the conf file is in memory */
709 if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
710 /* launch external status app */
711 bar_extra_running = 1;
712 if (pipe(bar_pipe) == -1)
713 err(1, "pipe error");
714 socket_setnonblock(bar_pipe[0]);
715 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
716 if (dup2(bar_pipe[0], 0) == -1)
717 errx(1, "dup2");
718 if (dup2(bar_pipe[1], 1) == -1)
719 errx(1, "dup2");
720 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
721 err(1, "could not disable SIGPIPE");
722 switch (bar_pid = fork()) {
723 case -1:
724 err(1, "cannot fork");
725 break;
726 case 0: /* child */
727 close(bar_pipe[0]);
728 execvp(bar_argv[0], bar_argv);
729 err(1, "%s external app failed", bar_argv[0]);
730 break;
731 default: /* parent */
732 close(bar_pipe[1]);
733 break;
734 }
735 }
736
737 bzero(&wa, sizeof wa);
738 for (i = 0; i < ScreenCount(display); i++)
739 TAILQ_FOREACH(r, &screens[i].rl, entry) {
740 wa.border_pixel =
741 screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
742 wa.background_pixel =
743 screens[i].c[SWM_S_COLOR_BAR].color;
744 XChangeWindowAttributes(display, r->bar_window,
745 CWBackPixel | CWBorderPixel, &wa);
746 }
747 bar_update();
748 }
749
750 void
751 bar_setup(struct swm_region *r)
752 {
753 int i;
754
755 for (i = 0; bar_fonts[i] != NULL; i++) {
756 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
757 if (bar_fs) {
758 bar_fidx = i;
759 break;
760 }
761 }
762 if (bar_fonts[i] == NULL)
763 errx(1, "couldn't load font");
764 bar_height = bar_fs->ascent + bar_fs->descent + 3;
765
766 r->bar_window = XCreateSimpleWindow(display,
767 r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
768 1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
769 r->s->c[SWM_S_COLOR_BAR].color);
770 bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
771 XSetFont(display, bar_gc, bar_fs->fid);
772 XSelectInput(display, r->bar_window, VisibilityChangeMask);
773 if (bar_enabled)
774 XMapRaised(display, r->bar_window);
775 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
776
777 if (signal(SIGALRM, bar_signal) == SIG_ERR)
778 err(1, "could not install bar_signal");
779 bar_refresh();
780 }
781
782 void
783 version(struct swm_region *r, union arg *args)
784 {
785 bar_version = !bar_version;
786 if (bar_version)
787 strlcpy(bar_vertext, cvstag, sizeof bar_vertext);
788 else
789 strlcpy(bar_vertext, "", sizeof bar_vertext);
790 bar_update();
791 }
792
793 void
794 config_win(struct ws_win *win)
795 {
796 XConfigureEvent ce;
797
798 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
799 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
800 ce.type = ConfigureNotify;
801 ce.display = display;
802 ce.event = win->id;
803 ce.window = win->id;
804 ce.x = win->g.x;
805 ce.y = win->g.y;
806 ce.width = win->g.w;
807 ce.height = win->g.h;
808 ce.border_width = 1; /* XXX store this! */
809 ce.above = None;
810 ce.override_redirect = False;
811 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
812 }
813
814 int
815 count_win(struct workspace *ws, int count_transient)
816 {
817 struct ws_win *win;
818 int count = 0;
819
820 TAILQ_FOREACH(win, &ws->winlist, entry) {
821 if (count_transient == 0 && win->floating)
822 continue;
823 if (count_transient == 0 && win->transient)
824 continue;
825 count++;
826 }
827 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
828
829 return (count);
830 }
831
832 void
833 quit(struct swm_region *r, union arg *args)
834 {
835 DNPRINTF(SWM_D_MISC, "quit\n");
836 running = 0;
837 }
838
839 void
840 unmap_all(void)
841 {
842 struct ws_win *win;
843 int i, j;
844
845 for (i = 0; i < ScreenCount(display); i++)
846 for (j = 0; j < SWM_WS_MAX; j++)
847 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
848 XUnmapWindow(display, win->id);
849 }
850
851 void
852 restart(struct swm_region *r, union arg *args)
853 {
854 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
855
856 /* disable alarm because the following code may not be interrupted */
857 alarm(0);
858 if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
859 errx(1, "can't disable alarm");
860
861 bar_extra_stop();
862 bar_extra = 1;
863 unmap_all();
864 XCloseDisplay(display);
865 execvp(start_argv[0], start_argv);
866 fprintf(stderr, "execvp failed\n");
867 perror(" failed");
868 quit(NULL, NULL);
869 }
870
871 struct swm_region *
872 root_to_region(Window root)
873 {
874 struct swm_region *r = NULL;
875 Window rr, cr;
876 int i, x, y, wx, wy;
877 unsigned int mask;
878
879 for (i = 0; i < ScreenCount(display); i++)
880 if (screens[i].root == root)
881 break;
882
883 if (XQueryPointer(display, screens[i].root,
884 &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
885 /* choose a region based on pointer location */
886 TAILQ_FOREACH(r, &screens[i].rl, entry)
887 if (x >= X(r) && x <= X(r) + WIDTH(r) &&
888 y >= Y(r) && y <= Y(r) + HEIGHT(r))
889 break;
890 }
891
892 if (r == NULL)
893 r = TAILQ_FIRST(&screens[i].rl);
894
895 return (r);
896 }
897
898 struct ws_win *
899 find_window(Window id)
900 {
901 struct ws_win *win;
902 int i, j;
903
904 for (i = 0; i < ScreenCount(display); i++)
905 for (j = 0; j < SWM_WS_MAX; j++)
906 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
907 if (id == win->id)
908 return (win);
909 return (NULL);
910 }
911
912 void
913 spawn(struct swm_region *r, union arg *args)
914 {
915 char *ret;
916 int si;
917
918 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
919 /*
920 * The double-fork construct avoids zombie processes and keeps the code
921 * clean from stupid signal handlers.
922 */
923 if (fork() == 0) {
924 if (fork() == 0) {
925 if (display)
926 close(ConnectionNumber(display));
927 setenv("LD_PRELOAD", SWM_LIB, 1);
928 if (asprintf(&ret, "%d", r->ws->idx)) {
929 setenv("_SWM_WS", ret, 1);
930 free(ret);
931 }
932 if (asprintf(&ret, "%d", getpid())) {
933 setenv("_SWM_PID", ret, 1);
934 free(ret);
935 }
936 setsid();
937 /* kill stdin, mplayer, ssh-add etc. need that */
938 si = open("/dev/null", O_RDONLY, 0);
939 if (si == -1)
940 err(1, "open /dev/null");
941 if (dup2(si, 0) == -1)
942 err(1, "dup2 /dev/null");
943 execvp(args->argv[0], args->argv);
944 fprintf(stderr, "execvp failed\n");
945 perror(" failed");
946 }
947 exit(0);
948 }
949 wait(0);
950 }
951
952 void
953 spawnmenu(struct swm_region *r, union arg *args)
954 {
955 DNPRINTF(SWM_D_MISC, "spawnmenu\n");
956
957 spawn_menu[SWM_MENU_FN] = bar_fonts[bar_fidx];
958 spawn_menu[SWM_MENU_NB] = r->s->c[SWM_S_COLOR_BAR].name;
959 spawn_menu[SWM_MENU_NF] = r->s->c[SWM_S_COLOR_BAR_FONT].name;
960 spawn_menu[SWM_MENU_SB] = r->s->c[SWM_S_COLOR_BAR_BORDER].name;
961 spawn_menu[SWM_MENU_SF] = r->s->c[SWM_S_COLOR_BAR].name;
962
963 spawn(r, args);
964 }
965
966 void
967 unfocus_all(void)
968 {
969 struct ws_win *win;
970 int i, j;
971
972 DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
973
974 for (i = 0; i < ScreenCount(display); i++)
975 for (j = 0; j < SWM_WS_MAX; j++)
976 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
977 if (win->ws->r == NULL)
978 continue;
979 grabbuttons(win, 0);
980 XSetWindowBorder(display, win->id,
981 win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
982 win->got_focus = 0;
983 win->ws->focus = NULL;
984 cur_focus = NULL;
985 }
986 }
987
988 void
989 focus_win(struct ws_win *win)
990 {
991 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
992
993 if (win == NULL)
994 return;
995
996 unfocus_all();
997 win->ws->focus = win;
998 if (win->ws->r != NULL) {
999 cur_focus = win;
1000 if (!win->got_focus) {
1001 XSetWindowBorder(display, win->id,
1002 win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1003 grabbuttons(win, 1);
1004 }
1005 win->got_focus = 1;
1006 XSetInputFocus(display, win->id,
1007 RevertToPointerRoot, CurrentTime);
1008 }
1009 }
1010
1011 void
1012 switchws(struct swm_region *r, union arg *args)
1013 {
1014 int wsid = args->id;
1015 struct swm_region *this_r, *other_r;
1016 struct ws_win *win;
1017 struct workspace *new_ws, *old_ws;
1018
1019 this_r = r;
1020 old_ws = this_r->ws;
1021 new_ws = &this_r->s->ws[wsid];
1022
1023 DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1024 "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1025 old_ws->idx, wsid);
1026
1027 if (new_ws == old_ws)
1028 return;
1029
1030 other_r = new_ws->r;
1031 if (!other_r) {
1032 /* if the other workspace is hidden, switch windows */
1033 /* map new window first to prevent ugly blinking */
1034 old_ws->r = NULL;
1035 old_ws->restack = 1;
1036
1037 TAILQ_FOREACH(win, &new_ws->winlist, entry)
1038 XMapRaised(display, win->id);
1039
1040 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1041 XUnmapWindow(display, win->id);
1042 } else {
1043 other_r->ws = old_ws;
1044 old_ws->r = other_r;
1045 }
1046 this_r->ws = new_ws;
1047 new_ws->r = this_r;
1048
1049 ignore_enter = 1;
1050 /* set focus */
1051 if (new_ws->focus)
1052 focus_win(new_ws->focus);
1053 stack();
1054 bar_update();
1055 }
1056
1057 void
1058 cyclews(struct swm_region *r, union arg *args)
1059 {
1060 union arg a;
1061 struct swm_screen *s = r->s;
1062
1063 DNPRINTF(SWM_D_WS, "cyclews id %d "
1064 "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1065 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1066
1067 a.id = r->ws->idx;
1068 do {
1069 switch (args->id) {
1070 case SWM_ARG_ID_CYCLEWS_UP:
1071 if (a.id < SWM_WS_MAX - 1)
1072 a.id++;
1073 else
1074 a.id = 0;
1075 break;
1076 case SWM_ARG_ID_CYCLEWS_DOWN:
1077 if (a.id > 0)
1078 a.id--;
1079 else
1080 a.id = SWM_WS_MAX - 1;
1081 break;
1082 default:
1083 return;
1084 };
1085
1086 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1087 continue;
1088 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1089 continue;
1090
1091 switchws(r, &a);
1092 } while (a.id != r->ws->idx);
1093 }
1094
1095 void
1096 cyclescr(struct swm_region *r, union arg *args)
1097 {
1098 struct swm_region *rr;
1099 int i;
1100
1101 i = r->s->idx;
1102 switch (args->id) {
1103 case SWM_ARG_ID_CYCLESC_UP:
1104 rr = TAILQ_NEXT(r, entry);
1105 if (rr == NULL)
1106 rr = TAILQ_FIRST(&screens[i].rl);
1107 break;
1108 case SWM_ARG_ID_CYCLESC_DOWN:
1109 rr = TAILQ_PREV(r, swm_region_list, entry);
1110 if (rr == NULL)
1111 rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1112 break;
1113 default:
1114 return;
1115 };
1116 unfocus_all();
1117 XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1118 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, rr->g.x,
1119 rr->g.y + bar_enabled ? bar_height : 0);
1120 }
1121
1122 void
1123 swapwin(struct swm_region *r, union arg *args)
1124 {
1125 struct ws_win *target;
1126 struct ws_win_list *wl;
1127
1128
1129 DNPRINTF(SWM_D_WS, "swapwin id %d "
1130 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1131 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1132 if (cur_focus == NULL)
1133 return;
1134
1135 wl = &cur_focus->ws->winlist;
1136
1137 switch (args->id) {
1138 case SWM_ARG_ID_SWAPPREV:
1139 target = TAILQ_PREV(cur_focus, ws_win_list, entry);
1140 TAILQ_REMOVE(wl, cur_focus, entry);
1141 if (target == NULL)
1142 TAILQ_INSERT_TAIL(wl, cur_focus, entry);
1143 else
1144 TAILQ_INSERT_BEFORE(target, cur_focus, entry);
1145 break;
1146 case SWM_ARG_ID_SWAPNEXT:
1147 target = TAILQ_NEXT(cur_focus, entry);
1148 TAILQ_REMOVE(wl, cur_focus, entry);
1149 if (target == NULL)
1150 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
1151 else
1152 TAILQ_INSERT_AFTER(wl, target, cur_focus, entry);
1153 break;
1154 case SWM_ARG_ID_SWAPMAIN:
1155 target = TAILQ_FIRST(wl);
1156 if (target == cur_focus)
1157 return;
1158 TAILQ_REMOVE(wl, target, entry);
1159 TAILQ_INSERT_BEFORE(cur_focus, target, entry);
1160 TAILQ_REMOVE(wl, cur_focus, entry);
1161 TAILQ_INSERT_HEAD(wl, cur_focus, entry);
1162 break;
1163 default:
1164 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1165 return;
1166 }
1167
1168 ignore_enter = 2;
1169 stack();
1170 }
1171
1172 void
1173 focus(struct swm_region *r, union arg *args)
1174 {
1175 struct ws_win *winfocus, *winlostfocus;
1176 struct ws_win_list *wl;
1177
1178 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1179 if (cur_focus == NULL)
1180 return;
1181
1182 wl = &cur_focus->ws->winlist;
1183
1184 winlostfocus = cur_focus;
1185
1186 switch (args->id) {
1187 case SWM_ARG_ID_FOCUSPREV:
1188 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1189 if (winfocus == NULL)
1190 winfocus = TAILQ_LAST(wl, ws_win_list);
1191 break;
1192
1193 case SWM_ARG_ID_FOCUSNEXT:
1194 winfocus = TAILQ_NEXT(cur_focus, entry);
1195 if (winfocus == NULL)
1196 winfocus = TAILQ_FIRST(wl);
1197 break;
1198
1199 case SWM_ARG_ID_FOCUSMAIN:
1200 winfocus = TAILQ_FIRST(wl);
1201 break;
1202
1203 default:
1204 return;
1205 }
1206
1207 if (winfocus == winlostfocus || winfocus == NULL)
1208 return;
1209
1210 XMapRaised(display, winfocus->id);
1211 focus_win(winfocus);
1212 XSync(display, False);
1213 }
1214
1215 void
1216 cycle_layout(struct swm_region *r, union arg *args)
1217 {
1218 struct workspace *ws = r->ws;
1219
1220 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1221
1222 ws->cur_layout++;
1223 if (ws->cur_layout->l_stack == NULL)
1224 ws->cur_layout = &layouts[0];
1225 ignore_enter = 1;
1226 stack();
1227 }
1228
1229 void
1230 stack_config(struct swm_region *r, union arg *args)
1231 {
1232 struct workspace *ws = r->ws;
1233
1234 DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1235 args->id, ws->idx);
1236
1237 if (ws->cur_layout->l_config != NULL)
1238 ws->cur_layout->l_config(ws, args->id);
1239
1240 if (args->id != SWM_ARG_ID_STACKINIT);
1241 stack();
1242 }
1243
1244 void
1245 stack(void) {
1246 struct swm_geometry g;
1247 struct swm_region *r;
1248 int i, j;
1249
1250 DNPRINTF(SWM_D_STACK, "stack\n");
1251
1252 for (i = 0; i < ScreenCount(display); i++) {
1253 j = 0;
1254 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1255 DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1256 "(screen %d, region %d)\n", r->ws->idx, i, j++);
1257
1258 /* start with screen geometry, adjust for bar */
1259 g = r->g;
1260 g.w -= 2;
1261 g.h -= 2;
1262 if (bar_enabled) {
1263 g.y += bar_height;
1264 g.h -= bar_height;
1265 }
1266
1267 r->ws->restack = 0;
1268 r->ws->cur_layout->l_stack(r->ws, &g);
1269 }
1270 }
1271 XSync(display, False);
1272 }
1273
1274 void
1275 stack_floater(struct ws_win *win, struct swm_region *r)
1276 {
1277 unsigned int mask;
1278 XWindowChanges wc;
1279
1280 bzero(&wc, sizeof wc);
1281 mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1282 wc.border_width = 1;
1283 if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1284 win->g.w = (double)WIDTH(r) * dialog_ratio;
1285 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1286 }
1287 wc.width = win->g.w;
1288 wc.height = win->g.h;
1289 if (win->manual) {
1290 wc.x = win->g.x;
1291 wc.y = win->g.y;
1292 } else {
1293 wc.x = (WIDTH(r) - win->g.w) / 2;
1294 wc.y = (HEIGHT(r) - win->g.h) / 2;
1295 }
1296
1297 DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1298 win->id, wc.x, wc.y, wc.width, wc.height);
1299
1300 XConfigureWindow(display, win->id, mask, &wc);
1301 }
1302
1303 #define SWAPXY(g) do { \
1304 int tmp; \
1305 tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp; \
1306 tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp; \
1307 } while (0)
1308 void
1309 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1310 {
1311 XWindowChanges wc;
1312 struct swm_geometry win_g, r_g = *g;
1313 struct ws_win *win, *winfocus;
1314 int i, j, s, w_inc, h_inc, w_base, h_base, stacks;
1315 int hrh, extra, h_slice, last_h = 0;
1316 int split, colno, winno, mwin, msize, mscale;
1317 int remain, missing, v_slice;;
1318 unsigned int mask;
1319
1320 DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1321 ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1322
1323 if ((winno = count_win(ws, 0)) == 0)
1324 return;
1325
1326 if (ws->focus == NULL)
1327 ws->focus = TAILQ_FIRST(&ws->winlist);
1328 winfocus = cur_focus ? cur_focus : ws->focus;
1329
1330 win = TAILQ_FIRST(&ws->winlist);
1331 if (rot) {
1332 w_inc = win->sh.width_inc;
1333 w_base = win->sh.base_width;
1334 mwin = ws->l_state.horizontal_mwin;
1335 mscale = ws->l_state.horizontal_msize;
1336 stacks = ws->l_state.horizontal_stacks;
1337 SWAPXY(&r_g);
1338 } else {
1339 w_inc = win->sh.height_inc;
1340 w_base = win->sh.base_height;
1341 mwin = ws->l_state.vertical_mwin;
1342 mscale = ws->l_state.vertical_msize;
1343 stacks = ws->l_state.vertical_stacks;
1344 }
1345 win_g = r_g;
1346
1347 if (stacks > winno - mwin)
1348 stacks = winno - mwin;
1349 if (stacks < 1)
1350 stacks = 1;
1351
1352 h_slice = r_g.h / SWM_H_SLICE;
1353 if (mwin && winno > mwin) {
1354 v_slice = r_g.w / SWM_V_SLICE;
1355
1356 split = mwin;
1357 colno = split;
1358 win_g.w = v_slice * mscale;
1359
1360 if (w_inc > 1 && w_inc < v_slice) {
1361 /* adjust for window's requested size increment */
1362 remain = (win_g.w - w_base) % w_inc;
1363 missing = w_inc - remain;
1364
1365 if (missing <= extra || j == 0) {
1366 extra -= missing;
1367 win_g.w += missing;
1368 } else {
1369 win_g.w -= remain;
1370 extra += remain;
1371 }
1372 }
1373
1374 msize = win_g.w;
1375 if (flip)
1376 win_g.x += r_g.w - msize;
1377 } else {
1378 msize = -2;
1379 colno = split = winno / stacks;
1380 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1381 }
1382 hrh = r_g.h / colno;
1383 extra = r_g.h - (colno * hrh);
1384 win_g.h = hrh - 2;
1385
1386 /* stack all the tiled windows */
1387 i = j = 0, s = stacks;
1388 TAILQ_FOREACH(win, &ws->winlist, entry) {
1389 if (win->transient != 0 || win->floating != 0)
1390 continue;
1391
1392 if (split && i == split) {
1393 colno = (winno - mwin) / stacks;
1394 if (s <= (winno - mwin) % stacks)
1395 colno++;
1396 split = split + colno;
1397 hrh = (r_g.h / colno);
1398 extra = r_g.h - (colno * hrh);
1399 if (flip)
1400 win_g.x = r_g.x;
1401 else
1402 win_g.x += win_g.w + 2;
1403 win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1404 if (s == 1)
1405 win_g.w += (r_g.w - msize - (stacks * 2)) %
1406 stacks;
1407 s--;
1408 j = 0;
1409 }
1410 win_g.h = hrh - 2;
1411 if (rot) {
1412 h_inc = win->sh.width_inc;
1413 h_base = win->sh.base_width;
1414 } else {
1415 h_inc = win->sh.height_inc;
1416 h_base = win->sh.base_height;
1417 }
1418 if (j == colno - 1) {
1419 win_g.h = hrh + extra;
1420 } else if (h_inc > 1 && h_inc < h_slice) {
1421 /* adjust for window's requested size increment */
1422 remain = (win_g.h - h_base) % h_inc;
1423 missing = h_inc - remain;
1424
1425 if (missing <= extra || j == 0) {
1426 extra -= missing;
1427 win_g.h += missing;
1428 } else {
1429 win_g.h -= remain;
1430 extra += remain;
1431 }
1432 }
1433
1434 if (j == 0)
1435 win_g.y = r_g.y;
1436 else
1437 win_g.y += last_h + 2;
1438
1439 bzero(&wc, sizeof wc);
1440 wc.border_width = 1;
1441 if (rot) {
1442 win->g.x = wc.x = win_g.y;
1443 win->g.y = wc.y = win_g.x;
1444 win->g.w = wc.width = win_g.h;
1445 win->g.h = wc.height = win_g.w;
1446 } else {
1447 win->g.x = wc.x = win_g.x;
1448 win->g.y = wc.y = win_g.y;
1449 win->g.w = wc.width = win_g.w;
1450 win->g.h = wc.height = win_g.h;
1451 }
1452 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1453 XConfigureWindow(display, win->id, mask, &wc);
1454 XMapRaised(display, win->id);
1455
1456 last_h = win_g.h;
1457 i++;
1458 j++;
1459 }
1460
1461 /* now, stack all the floaters and transients */
1462 TAILQ_FOREACH(win, &ws->winlist, entry) {
1463 if (win->transient == 0 && win->floating == 0)
1464 continue;
1465
1466 stack_floater(win, ws->r);
1467 XMapRaised(display, win->id);
1468 }
1469
1470 if (winfocus)
1471 focus_win(winfocus); /* has to be done outside of the loop */
1472 }
1473
1474 void
1475 vertical_config(struct workspace *ws, int id)
1476 {
1477 DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1478
1479 switch (id) {
1480 case SWM_ARG_ID_STACKRESET:
1481 case SWM_ARG_ID_STACKINIT:
1482 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1483 ws->l_state.vertical_mwin = 1;
1484 ws->l_state.vertical_stacks = 1;
1485 break;
1486 case SWM_ARG_ID_MASTERSHRINK:
1487 if (ws->l_state.vertical_msize > 1)
1488 ws->l_state.vertical_msize--;
1489 break;
1490 case SWM_ARG_ID_MASTERGROW:
1491 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1492 ws->l_state.vertical_msize++;
1493 break;
1494 case SWM_ARG_ID_MASTERADD:
1495 ws->l_state.vertical_mwin++;
1496 break;
1497 case SWM_ARG_ID_MASTERDEL:
1498 if (ws->l_state.vertical_mwin > 0)
1499 ws->l_state.vertical_mwin--;
1500 break;
1501 case SWM_ARG_ID_STACKINC:
1502 ws->l_state.vertical_stacks++;
1503 break;
1504 case SWM_ARG_ID_STACKDEC:
1505 if (ws->l_state.vertical_stacks > 1)
1506 ws->l_state.vertical_stacks--;
1507 break;
1508 default:
1509 return;
1510 }
1511 }
1512
1513 void
1514 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1515 {
1516 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1517
1518 stack_master(ws, g, 0, 0);
1519 }
1520
1521 void
1522 horizontal_config(struct workspace *ws, int id)
1523 {
1524 DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1525
1526 switch (id) {
1527 case SWM_ARG_ID_STACKRESET:
1528 case SWM_ARG_ID_STACKINIT:
1529 ws->l_state.horizontal_mwin = 1;
1530 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1531 ws->l_state.horizontal_stacks = 1;
1532 break;
1533 case SWM_ARG_ID_MASTERSHRINK:
1534 if (ws->l_state.horizontal_msize > 1)
1535 ws->l_state.horizontal_msize--;
1536 break;
1537 case SWM_ARG_ID_MASTERGROW:
1538 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1539 ws->l_state.horizontal_msize++;
1540 break;
1541 case SWM_ARG_ID_MASTERADD:
1542 ws->l_state.horizontal_mwin++;
1543 break;
1544 case SWM_ARG_ID_MASTERDEL:
1545 if (ws->l_state.horizontal_mwin > 0)
1546 ws->l_state.horizontal_mwin--;
1547 break;
1548 case SWM_ARG_ID_STACKINC:
1549 ws->l_state.horizontal_stacks++;
1550 break;
1551 case SWM_ARG_ID_STACKDEC:
1552 if (ws->l_state.horizontal_stacks > 1)
1553 ws->l_state.horizontal_stacks--;
1554 break;
1555 default:
1556 return;
1557 }
1558 }
1559
1560 void
1561 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
1562 {
1563 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1564
1565 stack_master(ws, g, 1, 0);
1566 }
1567
1568 /* fullscreen view */
1569 void
1570 max_stack(struct workspace *ws, struct swm_geometry *g) {
1571 XWindowChanges wc;
1572 struct swm_geometry gg = *g;
1573 struct ws_win *win, *winfocus;
1574 unsigned int mask;
1575
1576 DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1577
1578 if (count_win(ws, 0) == 0)
1579 return;
1580
1581 if (ws->focus == NULL)
1582 ws->focus = TAILQ_FIRST(&ws->winlist);
1583 winfocus = cur_focus ? cur_focus : ws->focus;
1584
1585 TAILQ_FOREACH(win, &ws->winlist, entry) {
1586 if (win->transient != 0 || win->floating != 0) {
1587 if (win == ws->focus) {
1588 /* XXX maximize? */
1589 stack_floater(win, ws->r);
1590 XMapRaised(display, win->id);
1591 } else
1592 XUnmapWindow(display, win->id);
1593 } else {
1594 bzero(&wc, sizeof wc);
1595 wc.border_width = 1;
1596 win->g.x = wc.x = gg.x;
1597 win->g.y = wc.y = gg.y;
1598 win->g.w = wc.width = gg.w;
1599 win->g.h = wc.height = gg.h;
1600 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1601 XConfigureWindow(display, win->id, mask, &wc);
1602
1603 if (win == ws->focus) {
1604 XMapRaised(display, win->id);
1605 } else
1606 XUnmapWindow(display, win->id);
1607 }
1608 }
1609
1610 if (winfocus)
1611 focus_win(winfocus); /* has to be done outside of the loop */
1612 }
1613
1614 void
1615 send_to_ws(struct swm_region *r, union arg *args)
1616 {
1617 int wsid = args->id;
1618 struct ws_win *win = cur_focus;
1619 struct workspace *ws, *nws;
1620 Atom ws_idx_atom = 0;
1621 unsigned char ws_idx_str[SWM_PROPLEN];
1622
1623 if (win == NULL)
1624 return;
1625
1626 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
1627
1628 ws = win->ws;
1629 nws = &win->s->ws[wsid];
1630
1631 XUnmapWindow(display, win->id);
1632
1633 /* find a window to focus */
1634 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1635 if (ws->focus == NULL)
1636 ws->focus = TAILQ_FIRST(&ws->winlist);
1637 if (ws->focus == win)
1638 ws->focus = NULL;
1639
1640 TAILQ_REMOVE(&ws->winlist, win, entry);
1641
1642 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
1643 win->ws = nws;
1644
1645 /* Try to update the window's workspace property */
1646 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
1647 if (ws_idx_atom &&
1648 snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
1649 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
1650 ws_idx_str);
1651 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
1652 PropModeReplace, ws_idx_str, SWM_PROPLEN);
1653 }
1654
1655 if (count_win(nws, 1) == 1)
1656 nws->focus = win;
1657 ws->restack = 1;
1658 nws->restack = 1;
1659
1660 stack();
1661 }
1662
1663 void
1664 wkill(struct swm_region *r, union arg *args)
1665 {
1666 DNPRINTF(SWM_D_MISC, "wkill\n");
1667 if(r->ws->focus != NULL)
1668 XKillClient(display, r->ws->focus->id);
1669 }
1670
1671 void
1672 screenshot(struct swm_region *r, union arg *args)
1673 {
1674 union arg a;
1675
1676 DNPRINTF(SWM_D_MISC, "screenshot\n");
1677
1678 if (ss_enabled == 0)
1679 return;
1680
1681 switch (args->id) {
1682 case SWM_ARG_ID_SS_ALL:
1683 spawn_screenshot[1] = "full";
1684 break;
1685 case SWM_ARG_ID_SS_WINDOW:
1686 spawn_screenshot[1] = "window";
1687 break;
1688 default:
1689 return;
1690 }
1691 a.argv = spawn_screenshot;
1692 spawn(r, &a);
1693 }
1694
1695 void
1696 floating_toggle(struct swm_region *r, union arg *args)
1697 {
1698 struct ws_win *win = cur_focus;
1699
1700 if (win == NULL)
1701 return;
1702
1703 win->floating = !win->floating;
1704 win->manual = 0;
1705 stack();
1706 focus_win(win);
1707 }
1708
1709 /* key definitions */
1710 struct key {
1711 unsigned int mod;
1712 KeySym keysym;
1713 void (*func)(struct swm_region *r, union arg *);
1714 union arg args;
1715 } keys[] = {
1716 /* modifier key function argument */
1717 { MODKEY, XK_space, cycle_layout, {0} },
1718 { MODKEY | ShiftMask, XK_space, stack_config, {.id = SWM_ARG_ID_STACKRESET} },
1719 { MODKEY, XK_h, stack_config, {.id = SWM_ARG_ID_MASTERSHRINK} },
1720 { MODKEY, XK_l, stack_config, {.id = SWM_ARG_ID_MASTERGROW} },
1721 { MODKEY, XK_comma, stack_config, {.id = SWM_ARG_ID_MASTERADD} },
1722 { MODKEY, XK_period, stack_config, {.id = SWM_ARG_ID_MASTERDEL} },
1723 { MODKEY | ShiftMask, XK_comma, stack_config, {.id = SWM_ARG_ID_STACKINC} },
1724 { MODKEY | ShiftMask, XK_period, stack_config, {.id = SWM_ARG_ID_STACKDEC} },
1725 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1726 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1727 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1728 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1729 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1730 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
1731 { MODKEY, XK_p, spawnmenu, {.argv = spawn_menu} },
1732 { MODKEY | ShiftMask, XK_q, quit, {0} },
1733 { MODKEY, XK_q, restart, {0} },
1734 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1735 { MODKEY, XK_1, switchws, {.id = 0} },
1736 { MODKEY, XK_2, switchws, {.id = 1} },
1737 { MODKEY, XK_3, switchws, {.id = 2} },
1738 { MODKEY, XK_4, switchws, {.id = 3} },
1739 { MODKEY, XK_5, switchws, {.id = 4} },
1740 { MODKEY, XK_6, switchws, {.id = 5} },
1741 { MODKEY, XK_7, switchws, {.id = 6} },
1742 { MODKEY, XK_8, switchws, {.id = 7} },
1743 { MODKEY, XK_9, switchws, {.id = 8} },
1744 { MODKEY, XK_0, switchws, {.id = 9} },
1745 { MODKEY, XK_Right, cyclews, {.id = SWM_ARG_ID_CYCLEWS_UP} },
1746 { MODKEY, XK_Left, cyclews, {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
1747 { MODKEY | ShiftMask, XK_Right, cyclescr, {.id = SWM_ARG_ID_CYCLESC_UP} },
1748 { MODKEY | ShiftMask, XK_Left, cyclescr, {.id = SWM_ARG_ID_CYCLESC_DOWN} },
1749 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1750 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1751 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1752 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1753 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1754 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1755 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1756 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1757 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1758 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1759 { MODKEY, XK_b, bar_toggle, {0} },
1760 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1761 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1762 { MODKEY | ShiftMask, XK_x, wkill, {0} },
1763 { MODKEY, XK_s, screenshot, {.id = SWM_ARG_ID_SS_ALL} },
1764 { MODKEY | ShiftMask, XK_s, screenshot, {.id = SWM_ARG_ID_SS_WINDOW} },
1765 { MODKEY, XK_t, floating_toggle,{0} },
1766 { MODKEY | ShiftMask, XK_v, version, {0} },
1767 { MODKEY | ShiftMask, XK_Delete, spawn, {.argv = spawn_lock} },
1768 { MODKEY | ShiftMask, XK_i, spawn, {.argv = spawn_initscr} },
1769 };
1770
1771 void
1772 resize_window(struct ws_win *win, int center)
1773 {
1774 unsigned int mask;
1775 XWindowChanges wc;
1776 struct swm_region *r;
1777
1778 r = root_to_region(win->wa.root);
1779 bzero(&wc, sizeof wc);
1780 mask = CWBorderWidth | CWWidth | CWHeight;
1781 wc.border_width = 1;
1782 wc.width = win->g.w;
1783 wc.height = win->g.h;
1784 if (center == SWM_ARG_ID_CENTER) {
1785 wc.x = (WIDTH(r) - win->g.w) / 2;
1786 wc.y = (HEIGHT(r) - win->g.h) / 2;
1787 mask |= CWX | CWY;
1788 }
1789
1790 DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
1791 win->id, wc.x, wc.y, wc.width, wc.height);
1792
1793 XConfigureWindow(display, win->id, mask, &wc);
1794 config_win(win);
1795 }
1796
1797 void
1798 resize(struct ws_win *win, union arg *args)
1799 {
1800 XEvent ev;
1801 Time time = 0;
1802
1803 DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
1804 win->id, win->floating, win->transient);
1805
1806 if (!(win->transient != 0 || win->floating != 0))
1807 return;
1808
1809 if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
1810 GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
1811 return;
1812 XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
1813 do {
1814 XMaskEvent(display, MOUSEMASK | ExposureMask |
1815 SubstructureRedirectMask, &ev);
1816 switch(ev.type) {
1817 case ConfigureRequest:
1818 case Expose:
1819 case MapRequest:
1820 handler[ev.type](&ev);
1821 break;
1822 case MotionNotify:
1823 if (ev.xmotion.x < 0)
1824 ev.xmotion.x = 0;
1825 if (ev.xmotion.y < 0)
1826 ev.xmotion.y = 0;
1827 win->g.w = ev.xmotion.x;
1828 win->g.h = ev.xmotion.y;
1829
1830 /* not free, don't sync more than 60 times / second */
1831 if ((ev.xmotion.time - time) > (1000 / 60) ) {
1832 time = ev.xmotion.time;
1833 XSync(display, False);
1834 resize_window(win, args->id);
1835 }
1836 break;
1837 }
1838 } while (ev.type != ButtonRelease);
1839 if (time) {
1840 XSync(display, False);
1841 resize_window(win, args->id);
1842 }
1843 XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
1844 win->g.h - 1);
1845 XUngrabPointer(display, CurrentTime);
1846
1847 /* drain events */
1848 while (XCheckMaskEvent(display, EnterWindowMask, &ev));
1849 }
1850
1851 void
1852 move_window(struct ws_win *win)
1853 {
1854 unsigned int mask;
1855 XWindowChanges wc;
1856 struct swm_region *r;
1857
1858 r = root_to_region(win->wa.root);
1859 bzero(&wc, sizeof wc);
1860 mask = CWX | CWY;
1861 wc.x = win->g.x;
1862 wc.y = win->g.y;
1863
1864 DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
1865 win->id, wc.x, wc.y, wc.width, wc.height);
1866
1867 XConfigureWindow(display, win->id, mask, &wc);
1868 config_win(win);
1869 }
1870
1871 void
1872 move(struct ws_win *win, union arg *args)
1873 {
1874 XEvent ev;
1875 Time time = 0;
1876 int restack = 0;
1877
1878 DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
1879 win->id, win->floating, win->transient);
1880
1881 if (win->floating == 0) {
1882 win->floating = 1;
1883 win->manual = 1;
1884 restack = 1;
1885 }
1886
1887 if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
1888 GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
1889 return;
1890 XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
1891 do {
1892 XMaskEvent(display, MOUSEMASK | ExposureMask |
1893 SubstructureRedirectMask, &ev);
1894 switch(ev.type) {
1895 case ConfigureRequest:
1896 case Expose:
1897 case MapRequest:
1898 handler[ev.type](&ev);
1899 break;
1900 case MotionNotify:
1901 win->g.x = ev.xmotion.x_root;
1902 win->g.y = ev.xmotion.y_root;
1903
1904 /* not free, don't sync more than 60 times / second */
1905 if ((ev.xmotion.time - time) > (1000 / 60) ) {
1906 time = ev.xmotion.time;
1907 XSync(display, False);
1908 move_window(win);
1909 }
1910 break;
1911 }
1912 } while (ev.type != ButtonRelease);
1913 if (time) {
1914 XSync(display, False);
1915 move_window(win);
1916 }
1917 XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
1918 XUngrabPointer(display, CurrentTime);
1919 if (restack)
1920 stack();
1921
1922 /* drain events */
1923 while (XCheckMaskEvent(display, EnterWindowMask, &ev));
1924 }
1925
1926 /* mouse */
1927 enum { client_click, root_click };
1928 struct button {
1929 unsigned int action;
1930 unsigned int mask;
1931 unsigned int button;
1932 void (*func)(struct ws_win *, union arg *);
1933 union arg args;
1934 } buttons[] = {
1935 /* action key mouse button func args */
1936 { client_click, MODKEY, Button3, resize, {.id = SWM_ARG_ID_DONTCENTER} },
1937 { client_click, MODKEY | ShiftMask, Button3, resize, {.id = SWM_ARG_ID_CENTER} },
1938 { client_click, MODKEY, Button1, move, {0} },
1939 };
1940
1941 void
1942 updatenumlockmask(void)
1943 {
1944 unsigned int i, j;
1945 XModifierKeymap *modmap;
1946
1947 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
1948 numlockmask = 0;
1949 modmap = XGetModifierMapping(display);
1950 for (i = 0; i < 8; i++)
1951 for (j = 0; j < modmap->max_keypermod; j++)
1952 if (modmap->modifiermap[i * modmap->max_keypermod + j]
1953 == XKeysymToKeycode(display, XK_Num_Lock))
1954 numlockmask = (1 << i);
1955
1956 XFreeModifiermap(modmap);
1957 }
1958
1959 void
1960 grabkeys(void)
1961 {
1962 unsigned int i, j, k;
1963 KeyCode code;
1964 unsigned int modifiers[] =
1965 { 0, LockMask, numlockmask, numlockmask | LockMask };
1966
1967 DNPRINTF(SWM_D_MISC, "grabkeys\n");
1968 updatenumlockmask();
1969
1970 for (k = 0; k < ScreenCount(display); k++) {
1971 if (TAILQ_EMPTY(&screens[k].rl))
1972 continue;
1973 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
1974 for (i = 0; i < LENGTH(keys); i++) {
1975 if ((code = XKeysymToKeycode(display, keys[i].keysym)))
1976 for (j = 0; j < LENGTH(modifiers); j++)
1977 XGrabKey(display, code,
1978 keys[i].mod | modifiers[j],
1979 screens[k].root, True,
1980 GrabModeAsync, GrabModeAsync);
1981 }
1982 }
1983 }
1984
1985 void
1986 grabbuttons(struct ws_win *win, int focused)
1987 {
1988 unsigned int i, j;
1989 unsigned int modifiers[] =
1990 { 0, LockMask, numlockmask, numlockmask|LockMask };
1991
1992 updatenumlockmask();
1993 XUngrabButton(display, AnyButton, AnyModifier, win->id);
1994 if(focused) {
1995 for (i = 0; i < LENGTH(buttons); i++)
1996 if (buttons[i].action == client_click)
1997 for (j = 0; j < LENGTH(modifiers); j++)
1998 XGrabButton(display, buttons[i].button,
1999 buttons[i].mask | modifiers[j],
2000 win->id, False, BUTTONMASK,
2001 GrabModeAsync, GrabModeSync, None,
2002 None);
2003 } else
2004 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2005 BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2006 }
2007
2008 void
2009 expose(XEvent *e)
2010 {
2011 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
2012 }
2013
2014 void
2015 keypress(XEvent *e)
2016 {
2017 unsigned int i;
2018 KeySym keysym;
2019 XKeyEvent *ev = &e->xkey;
2020
2021 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
2022
2023 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
2024 for (i = 0; i < LENGTH(keys); i++)
2025 if (keysym == keys[i].keysym
2026 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
2027 && keys[i].func)
2028 keys[i].func(root_to_region(ev->root),
2029 &(keys[i].args));
2030 }
2031
2032 void
2033 buttonpress(XEvent *e)
2034 {
2035 XButtonPressedEvent *ev = &e->xbutton;
2036
2037 struct ws_win *win;
2038 int i, action;
2039
2040 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
2041
2042 action = root_click;
2043 if ((win = find_window(ev->window)) == NULL)
2044 return;
2045 else {
2046 focus_win(win);
2047 action = client_click;
2048 }
2049
2050 for (i = 0; i < LENGTH(buttons); i++)
2051 if (action == buttons[i].action && buttons[i].func &&
2052 buttons[i].button == ev->button &&
2053 CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
2054 buttons[i].func(win, &buttons[i].args);
2055 }
2056
2057 void
2058 set_win_state(struct ws_win *win, long state)
2059 {
2060 long data[] = {state, None};
2061
2062 DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
2063
2064 XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
2065 (unsigned char *)data, 2);
2066 }
2067
2068 struct ws_win *
2069 manage_window(Window id)
2070 {
2071 Window trans;
2072 struct workspace *ws;
2073 struct ws_win *win;
2074 int format, i, ws_idx;
2075 unsigned long nitems, bytes;
2076 Atom ws_idx_atom = 0, type;
2077 unsigned char ws_idx_str[SWM_PROPLEN], *prop = NULL;
2078 struct swm_region *r;
2079 long mask;
2080 const char *errstr;
2081 XWindowChanges wc;
2082
2083 if ((win = find_window(id)) != NULL)
2084 return (win); /* already being managed */
2085
2086 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
2087 errx(1, "calloc: failed to allocate memory for new window");
2088
2089 /* Get all the window data in one shot */
2090 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2091 if (ws_idx_atom)
2092 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
2093 False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
2094 XGetWindowAttributes(display, id, &win->wa);
2095 XGetTransientForHint(display, id, &trans);
2096 XGetWMNormalHints(display, id, &win->sh, &mask); /* XXX function? */
2097 if (trans) {
2098 win->transient = trans;
2099 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
2100 (unsigned)win->id, win->transient);
2101 }
2102
2103 /*
2104 * Figure out where to put the window. If it was previously assigned to
2105 * a workspace (either by spawn() or manually moving), and isn't
2106 * transient, * put it in the same workspace
2107 */
2108 r = root_to_region(win->wa.root);
2109 if (prop && win->transient == 0) {
2110 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
2111 ws_idx = strtonum(prop, 0, 9, &errstr);
2112 if (errstr) {
2113 DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
2114 errstr, prop);
2115 }
2116 ws = &r->s->ws[ws_idx];
2117 } else
2118 ws = r->ws;
2119
2120 /* set up the window layout */
2121 win->id = id;
2122 win->ws = ws;
2123 win->s = r->s; /* this never changes */
2124 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
2125
2126 win->g.w = win->wa.width;
2127 win->g.h = win->wa.height;
2128 win->g.x = win->wa.x;
2129 win->g.y = win->wa.y;
2130
2131 /* Set window properties so we can remember this after reincarnation */
2132 if (ws_idx_atom && prop == NULL &&
2133 snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
2134 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2135 ws_idx_str);
2136 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2137 PropModeReplace, ws_idx_str, SWM_PROPLEN);
2138 }
2139 XFree(prop);
2140
2141 if (XGetClassHint(display, win->id, &win->ch)) {
2142 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
2143 win->ch.res_class, win->ch.res_name);
2144 for (i = 0; quirks[i].class != NULL && quirks[i].name != NULL &&
2145 quirks[i].quirk != 0; i++){
2146 if (!strcmp(win->ch.res_class, quirks[i].class) &&
2147 !strcmp(win->ch.res_name, quirks[i].name)) {
2148 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
2149 win->ch.res_class, win->ch.res_name);
2150 if (quirks[i].quirk & SWM_Q_FLOAT)
2151 win->floating = 1;
2152 win->quirks = quirks[i].quirk;
2153 }
2154 }
2155 }
2156
2157 /* alter window position if quirky */
2158 if (win->quirks & SWM_Q_ANYWHERE) {
2159 win->manual = 1; /* don't center the quirky windows */
2160 bzero(&wc, sizeof wc);
2161 mask = 0;
2162 if (win->g.y < bar_height) {
2163 win->g.y = wc.y = bar_height;
2164 mask |= CWY;
2165 }
2166 if (win->g.w + win->g.x > WIDTH(r)) {
2167 win->g.x = wc.x = WIDTH(win->ws->r) - win->g.w - 2;
2168 mask |= CWX;
2169 }
2170 wc.border_width = 1;
2171 mask |= CWBorderWidth;
2172 XConfigureWindow(display, win->id, mask, &wc);
2173 }
2174
2175 XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
2176 PropertyChangeMask | StructureNotifyMask);
2177
2178 set_win_state(win, NormalState);
2179
2180 /* floaters need to be mapped if they are in the current workspace */
2181 if (win->floating && (ws->idx == r->ws->idx))
2182 XMapRaised(display, win->id);
2183
2184 /* make new win focused */
2185 focus_win(win);
2186
2187 return (win);
2188 }
2189
2190 void
2191 unmanage_window(struct ws_win *win)
2192 {
2193 struct workspace *ws;
2194
2195 if (win == NULL)
2196 return;
2197
2198 DNPRINTF(SWM_D_MISC, "unmanage_window: %lu\n", win->id);
2199
2200 /* don't unmanage if we are switching workspaces */
2201 ws = win->ws;
2202 if (ws->restack)
2203 return;
2204
2205 /* find a window to focus */
2206 if (ws->focus == win)
2207 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
2208 if (ws->focus == NULL)
2209 ws->focus = TAILQ_FIRST(&ws->winlist);
2210 if (ws->focus == NULL || ws->focus == win) {
2211 ws->focus = NULL;
2212 unfocus_all();
2213 } else
2214 focus_win(ws->focus);
2215
2216 TAILQ_REMOVE(&win->ws->winlist, win, entry);
2217 set_win_state(win, WithdrawnState);
2218 if (win->ch.res_class)
2219 XFree(win->ch.res_class);
2220 if (win->ch.res_name)
2221 XFree(win->ch.res_name);
2222 free(win);
2223 }
2224
2225 void
2226 configurerequest(XEvent *e)
2227 {
2228 XConfigureRequestEvent *ev = &e->xconfigurerequest;
2229 struct ws_win *win;
2230 int new = 0;
2231 XWindowChanges wc;
2232
2233 if ((win = find_window(ev->window)) == NULL)
2234 new = 1;
2235
2236 if (new) {
2237 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
2238 ev->window);
2239 bzero(&wc, sizeof wc);
2240 wc.x = ev->x;
2241 wc.y = ev->y;
2242 wc.width = ev->width;
2243 wc.height = ev->height;
2244 wc.border_width = ev->border_width;
2245 wc.sibling = ev->above;
2246 wc.stack_mode = ev->detail;
2247 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
2248 } else {
2249 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
2250 ev->window);
2251 if (win->floating) {
2252 if (ev->value_mask & CWX)
2253 win->g.x = ev->x;
2254 if (ev->value_mask & CWY)
2255 win->g.y = ev->y;
2256 if (ev->value_mask & CWWidth)
2257 win->g.w = ev->width;
2258 if (ev->value_mask & CWHeight)
2259 win->g.h = ev->height;
2260 if (win->ws->r != NULL) {
2261 /* this seems to be full screen */
2262 if (win->g.w >= WIDTH(win->ws->r)) {
2263 win->g.x = -1;
2264 win->g.w = WIDTH(win->ws->r);
2265 ev->value_mask |= CWX | CWWidth;
2266 }
2267 if (win->g.h >= HEIGHT(win->ws->r)) {
2268 /* kill border */
2269 win->g.y = -1;
2270 win->g.h = HEIGHT(win->ws->r);
2271 ev->value_mask |= CWY | CWHeight;
2272 }
2273 }
2274 if ((ev->value_mask & (CWX | CWY)) &&
2275 !(ev->value_mask & (CWWidth | CWHeight)))
2276 config_win(win);
2277 XMoveResizeWindow(display, win->id,
2278 win->g.x, win->g.y, win->g.w, win->g.h);
2279 } else
2280 config_win(win);
2281 }
2282 }
2283
2284 void
2285 configurenotify(XEvent *e)
2286 {
2287 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
2288 e->xconfigure.window);
2289 }
2290
2291 void
2292 destroynotify(XEvent *e)
2293 {
2294 struct ws_win *win;
2295 XDestroyWindowEvent *ev = &e->xdestroywindow;
2296
2297 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
2298
2299 if ((win = find_window(ev->window)) != NULL) {
2300 unmanage_window(win);
2301 stack();
2302 }
2303 }
2304
2305 void
2306 enternotify(XEvent *e)
2307 {
2308 XCrossingEvent *ev = &e->xcrossing;
2309 struct ws_win *win;
2310
2311 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
2312
2313 if (ignore_enter) {
2314 /* eat event(r) to prevent autofocus */
2315 ignore_enter--;
2316 return;
2317 }
2318
2319 if ((win = find_window(ev->window)) != NULL)
2320 focus_win(win);
2321 }
2322
2323 void
2324 focusin(XEvent *e)
2325 {
2326 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
2327 }
2328
2329 void
2330 mappingnotify(XEvent *e)
2331 {
2332 XMappingEvent *ev = &e->xmapping;
2333
2334 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
2335
2336 XRefreshKeyboardMapping(ev);
2337 if (ev->request == MappingKeyboard)
2338 grabkeys();
2339 }
2340
2341 void
2342 maprequest(XEvent *e)
2343 {
2344 XMapRequestEvent *ev = &e->xmaprequest;
2345 XWindowAttributes wa;
2346
2347 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
2348 e->xmaprequest.window);
2349
2350 if (!XGetWindowAttributes(display, ev->window, &wa))
2351 return;
2352 if (wa.override_redirect)
2353 return;
2354 manage_window(e->xmaprequest.window);
2355
2356 stack();
2357 }
2358
2359 void
2360 propertynotify(XEvent *e)
2361 {
2362 struct ws_win *win;
2363 XPropertyEvent *ev = &e->xproperty;
2364
2365 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
2366 ev->window);
2367
2368 if (ev->state == PropertyDelete)
2369 return; /* ignore */
2370 win = find_window(ev->window);
2371 if (win == NULL)
2372 return;
2373
2374 switch (ev->atom) {
2375 case XA_WM_NORMAL_HINTS:
2376 #if 0
2377 long mask;
2378 XGetWMNormalHints(display, win->id, &win->sh, &mask);
2379 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
2380 if (win->sh.flags & PMinSize) {
2381 win->g.w = win->sh.min_width;
2382 win->g.h = win->sh.min_height;
2383 fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
2384 }
2385 XMoveResizeWindow(display, win->id,
2386 win->g.x, win->g.y, win->g.w, win->g.h);
2387 #endif
2388 break;
2389 default:
2390 break;
2391 }
2392 }
2393
2394 void
2395 unmapnotify(XEvent *e)
2396 {
2397 XDestroyWindowEvent *ev = &e->xdestroywindow;
2398 struct ws_win *win;
2399
2400 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
2401
2402 if ((win = find_window(ev->window)) != NULL)
2403 if (win->transient)
2404 unmanage_window(win);
2405 }
2406
2407 void
2408 visibilitynotify(XEvent *e)
2409 {
2410 int i;
2411 struct swm_region *r;
2412
2413 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
2414 e->xvisibility.window);
2415 if (e->xvisibility.state == VisibilityUnobscured)
2416 for (i = 0; i < ScreenCount(display); i++)
2417 TAILQ_FOREACH(r, &screens[i].rl, entry)
2418 if (e->xvisibility.window == r->bar_window)
2419 bar_update();
2420 }
2421
2422 int
2423 xerror_start(Display *d, XErrorEvent *ee)
2424 {
2425 other_wm = 1;
2426 return (-1);
2427 }
2428
2429 int
2430 xerror(Display *d, XErrorEvent *ee)
2431 {
2432 /* fprintf(stderr, "error: %p %p\n", display, ee); */
2433 return (-1);
2434 }
2435
2436 int
2437 active_wm(void)
2438 {
2439 other_wm = 0;
2440 xerrorxlib = XSetErrorHandler(xerror_start);
2441
2442 /* this causes an error if some other window manager is running */
2443 XSelectInput(display, DefaultRootWindow(display),
2444 SubstructureRedirectMask);
2445 XSync(display, False);
2446 if (other_wm)
2447 return (1);
2448
2449 XSetErrorHandler(xerror);
2450 XSync(display, False);
2451 return (0);
2452 }
2453
2454 long
2455 getstate(Window w)
2456 {
2457 int format, status;
2458 long result = -1;
2459 unsigned char *p = NULL;
2460 unsigned long n, extra;
2461 Atom real;
2462
2463 astate = XInternAtom(display, "WM_STATE", False);
2464 status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
2465 &real, &format, &n, &extra, (unsigned char **)&p);
2466 if (status != Success)
2467 return (-1);
2468 if (n != 0)
2469 result = *p;
2470 XFree(p);
2471 return (result);
2472 }
2473
2474 void
2475 new_region(struct swm_screen *s, int x, int y, int w, int h)
2476 {
2477 struct swm_region *r, *n;
2478 struct workspace *ws = NULL;
2479 int i;
2480
2481 DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
2482 s->idx, w, h, x, y);
2483
2484 /* remove any conflicting regions */
2485 n = TAILQ_FIRST(&s->rl);
2486 while (n) {
2487 r = n;
2488 n = TAILQ_NEXT(r, entry);
2489 if (X(r) < (x + w) &&
2490 (X(r) + WIDTH(r)) > x &&
2491 Y(r) < (y + h) &&
2492 (Y(r) + HEIGHT(r)) > y) {
2493 XDestroyWindow(display, r->bar_window);
2494 TAILQ_REMOVE(&s->rl, r, entry);
2495 TAILQ_INSERT_TAIL(&s->orl, r, entry);
2496 }
2497 }
2498
2499 /* search old regions for one to reuse */
2500
2501 /* size + location match */
2502 TAILQ_FOREACH(r, &s->orl, entry)
2503 if (X(r) == x && Y(r) == y &&
2504 HEIGHT(r) == h && WIDTH(r) == w)
2505 break;
2506
2507 /* size match */
2508 TAILQ_FOREACH(r, &s->orl, entry)
2509 if (HEIGHT(r) == h && WIDTH(r) == w)
2510 break;
2511
2512 if (r != NULL) {
2513 TAILQ_REMOVE(&s->orl, r, entry);
2514 /* try to use old region's workspace */
2515 if (r->ws->r == NULL)
2516 ws = r->ws;
2517 } else
2518 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
2519 errx(1, "calloc: failed to allocate memory for screen");
2520
2521 /* if we don't have a workspace already, find one */
2522 if (ws == NULL) {
2523 for (i = 0; i < SWM_WS_MAX; i++)
2524 if (s->ws[i].r == NULL) {
2525 ws = &s->ws[i];
2526 break;
2527 }
2528 }
2529
2530 if (ws == NULL)
2531 errx(1, "no free workspaces\n");
2532
2533 X(r) = x;
2534 Y(r) = y;
2535 WIDTH(r) = w;
2536 HEIGHT(r) = h;
2537 r->s = s;
2538 r->ws = ws;
2539 ws->r = r;
2540 TAILQ_INSERT_TAIL(&s->rl, r, entry);
2541 bar_setup(r);
2542 }
2543
2544 void
2545 scan_xrandr(int i)
2546 {
2547 #ifdef SWM_XRR_HAS_CRTC
2548 XRRCrtcInfo *ci;
2549 XRRScreenResources *sr;
2550 int c;
2551 int ncrtc = 0;
2552 #endif /* SWM_XRR_HAS_CRTC */
2553 struct swm_region *r;
2554
2555
2556 if (i >= ScreenCount(display))
2557 errx(1, "invalid screen");
2558
2559 /* remove any old regions */
2560 while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
2561 r->ws->r = NULL;
2562 XDestroyWindow(display, r->bar_window);
2563 TAILQ_REMOVE(&screens[i].rl, r, entry);
2564 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
2565 }
2566
2567 /* map virtual screens onto physical screens */
2568 #ifdef SWM_XRR_HAS_CRTC
2569 if (xrandr_support) {
2570 sr = XRRGetScreenResources(display, screens[i].root);
2571 if (sr == NULL)
2572 new_region(&screens[i], 0, 0,
2573 DisplayWidth(display, i),
2574 DisplayHeight(display, i));
2575 else
2576 ncrtc = sr->ncrtc;
2577
2578 for (c = 0, ci = NULL; c < ncrtc; c++) {
2579 ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
2580 if (ci->noutput == 0)
2581 continue;
2582
2583 if (ci != NULL && ci->mode == None)
2584 new_region(&screens[i], 0, 0,
2585 DisplayWidth(display, i),
2586 DisplayHeight(display, i));
2587 else
2588 new_region(&screens[i],
2589 ci->x, ci->y, ci->width, ci->height);
2590 }
2591 if (ci)
2592 XRRFreeCrtcInfo(ci);
2593 XRRFreeScreenResources(sr);
2594 } else
2595 #endif /* SWM_XRR_HAS_CRTC */
2596 {
2597 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
2598 DisplayHeight(display, i));
2599 }
2600 }
2601
2602 void
2603 screenchange(XEvent *e) {
2604 XRRScreenChangeNotifyEvent *xe = (XRRScreenChangeNotifyEvent *)e;
2605 struct swm_region *r;
2606 struct ws_win *win;
2607 int i;
2608
2609 DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
2610
2611 if (!XRRUpdateConfiguration(e))
2612 return;
2613
2614 /* silly event doesn't include the screen index */
2615 for (i = 0; i < ScreenCount(display); i++)
2616 if (screens[i].root == xe->root)
2617 break;
2618 if (i >= ScreenCount(display))
2619 errx(1, "screenchange: screen not found\n");
2620
2621 /* brute force for now, just re-enumerate the regions */
2622 scan_xrandr(i);
2623
2624 /* hide any windows that went away */
2625 TAILQ_FOREACH(r, &screens[i].rl, entry)
2626 TAILQ_FOREACH(win, &r->ws->winlist, entry)
2627 XUnmapWindow(display, win->id);
2628 stack();
2629 }
2630
2631 void
2632 setup_screens(void)
2633 {
2634 Window d1, d2, *wins = NULL;
2635 XWindowAttributes wa;
2636 unsigned int no;
2637 int i, j, k;
2638 int errorbase, major, minor;
2639 struct workspace *ws;
2640 int ws_idx_atom;
2641
2642
2643 if ((screens = calloc(ScreenCount(display),
2644 sizeof(struct swm_screen))) == NULL)
2645 errx(1, "calloc: screens");
2646
2647 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2648
2649 /* initial Xrandr setup */
2650 xrandr_support = XRRQueryExtension(display,
2651 &xrandr_eventbase, &errorbase);
2652 if (xrandr_support)
2653 if (XRRQueryVersion(display, &major, &minor) && major < 1)
2654 xrandr_support = 0;
2655
2656 /* map physical screens */
2657 for (i = 0; i < ScreenCount(display); i++) {
2658 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
2659 screens[i].idx = i;
2660 TAILQ_INIT(&screens[i].rl);
2661 TAILQ_INIT(&screens[i].orl);
2662 screens[i].root = RootWindow(display, i);
2663
2664 /* set default colors */
2665 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
2666 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
2667 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
2668 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
2669 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
2670
2671 /* init all workspaces */
2672 /* XXX these should be dynamically allocated too */
2673 for (j = 0; j < SWM_WS_MAX; j++) {
2674 ws = &screens[i].ws[j];
2675 ws->idx = j;
2676 ws->restack = 1;
2677 ws->focus = NULL;
2678 ws->r = NULL;
2679 TAILQ_INIT(&ws->winlist);
2680
2681 for (k = 0; layouts[k].l_stack != NULL; k++)
2682 if (layouts[k].l_config != NULL)
2683 layouts[k].l_config(ws,
2684 SWM_ARG_ID_STACKINIT);
2685 ws->cur_layout = &layouts[0];
2686 }
2687 /* grab existing windows (before we build the bars)*/
2688 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
2689 continue;
2690
2691 scan_xrandr(i);
2692
2693 if (xrandr_support)
2694 XRRSelectInput(display, screens[i].root,
2695 RRScreenChangeNotifyMask);
2696
2697 /* attach windows to a region */
2698 /* normal windows */
2699 for (j = 0; j < no; j++) {
2700 XGetWindowAttributes(display, wins[j], &wa);
2701 if (!XGetWindowAttributes(display, wins[j], &wa) ||
2702 wa.override_redirect ||
2703 XGetTransientForHint(display, wins[j], &d1))
2704 continue;
2705
2706 if (wa.map_state == IsViewable ||
2707 getstate(wins[j]) == NormalState)
2708 manage_window(wins[j]);
2709 }
2710 /* transient windows */
2711 for (j = 0; j < no; j++) {
2712 if (!XGetWindowAttributes(display, wins[j], &wa))
2713 continue;
2714
2715 if (XGetTransientForHint(display, wins[j], &d1) &&
2716 (wa.map_state == IsViewable || getstate(wins[j]) ==
2717 NormalState))
2718 manage_window(wins[j]);
2719 }
2720 if (wins) {
2721 XFree(wins);
2722 wins = NULL;
2723 }
2724 }
2725 }
2726
2727 int
2728 main(int argc, char *argv[])
2729 {
2730 struct passwd *pwd;
2731 char conf[PATH_MAX], *cfile = NULL;
2732 struct stat sb;
2733 XEvent e;
2734 int xfd;
2735 fd_set rd;
2736
2737 start_argv = argv;
2738 fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
2739 SWM_VERSION, cvstag);
2740 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2741 warnx("no locale support");
2742
2743 if (!(display = XOpenDisplay(0)))
2744 errx(1, "can not open display");
2745
2746 if (active_wm())
2747 errx(1, "other wm running");
2748
2749 astate = XInternAtom(display, "WM_STATE", False);
2750
2751 /* look for local and global conf file */
2752 pwd = getpwuid(getuid());
2753 if (pwd == NULL)
2754 errx(1, "invalid user %d", getuid());
2755
2756 setup_screens();
2757
2758 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
2759 if (stat(conf, &sb) != -1) {
2760 if (S_ISREG(sb.st_mode))
2761 cfile = conf;
2762 } else {
2763 /* try global conf file */
2764 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
2765 if (!stat(conf, &sb))
2766 if (S_ISREG(sb.st_mode))
2767 cfile = conf;
2768 }
2769 if (cfile)
2770 conf_load(cfile);
2771 bar_refresh();
2772
2773 /* ws[0].focus = TAILQ_FIRST(&ws[0].winlist); */
2774
2775 grabkeys();
2776 stack();
2777
2778 xfd = ConnectionNumber(display);
2779 while (running) {
2780 FD_ZERO(&rd);
2781 FD_SET(xfd, &rd);
2782 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
2783 if (errno != EINTR)
2784 errx(1, "select failed");
2785 if (bar_alarm) {
2786 bar_alarm = 0;
2787 bar_update();
2788 }
2789 while (XPending(display)) {
2790 XNextEvent(display, &e);
2791 if (e.type < LASTEvent) {
2792 if (handler[e.type])
2793 handler[e.type](&e);
2794 else
2795 DNPRINTF(SWM_D_EVENT,
2796 "win: %lu unknown event: %d\n",
2797 e.xany.window, e.type);
2798 } else {
2799 switch (e.type - xrandr_eventbase) {
2800 case RRScreenChangeNotify:
2801 screenchange(&e);
2802 break;
2803 default:
2804 DNPRINTF(SWM_D_EVENT,
2805 "win: %lu unknown xrandr event: "
2806 "%d\n", e.xany.window, e.type);
2807 break;
2808 }
2809 }
2810 }
2811 }
2812
2813 XCloseDisplay(display);
2814
2815 return (0);
2816 }
spectrwm is a small dynamic tiling and reparenting window manager for X11