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Let scrotwm adjust the font size on xterms as it squishes them in tiling
[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 #define SWM_MAX_FONT_STEPS (3)
136
137 #ifndef SWM_LIB
138 #define SWM_LIB "/usr/X11R6/lib/swmhack.so"
139 #endif
140
141 char **start_argv;
142 Atom astate;
143 int (*xerrorxlib)(Display *, XErrorEvent *);
144 int other_wm;
145 int running = 1;
146 int ss_enabled = 0;
147 int xrandr_support;
148 int xrandr_eventbase;
149 int ignore_enter = 0;
150 unsigned int numlockmask = 0;
151 Display *display;
152
153 int cycle_empty = 0;
154 int cycle_visible = 0;
155 int term_width = 0;
156 int font_adjusted = 0;
157
158 /* dialog windows */
159 double dialog_ratio = .6;
160 /* status bar */
161 #define SWM_BAR_MAX (128)
162 char *bar_argv[] = { NULL, NULL };
163 int bar_pipe[2];
164 char bar_ext[SWM_BAR_MAX];
165 char bar_vertext[SWM_BAR_MAX];
166 int bar_version = 0;
167 sig_atomic_t bar_alarm = 0;
168 int bar_delay = 30;
169 int bar_enabled = 1;
170 int bar_extra = 1;
171 int bar_extra_running = 0;
172 int bar_verbose = 1;
173 int bar_height = 0;
174 pid_t bar_pid;
175 GC bar_gc;
176 XGCValues bar_gcv;
177 int bar_fidx = 0;
178 XFontStruct *bar_fs;
179 char *bar_fonts[] = {
180 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
181 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
182 NULL
183 };
184
185 /* terminal + args */
186 char *spawn_term[] = { "xterm", NULL };
187 char *spawn_screenshot[] = { "screenshot.sh", NULL, NULL };
188 char *spawn_lock[] = { "xlock", NULL };
189 char *spawn_initscr[] = { "initscreen.sh", NULL };
190 char *spawn_menu[] = { "dmenu_run", "-fn", NULL, "-nb", NULL,
191 "-nf", NULL, "-sb", NULL, "-sf", NULL, NULL };
192
193 #define SWM_MENU_FN (2)
194 #define SWM_MENU_NB (4)
195 #define SWM_MENU_NF (6)
196 #define SWM_MENU_SB (8)
197 #define SWM_MENU_SF (10)
198
199 /* layout manager data */
200 struct swm_geometry {
201 int x;
202 int y;
203 int w;
204 int h;
205 };
206
207 struct swm_screen;
208 struct workspace;
209
210 /* virtual "screens" */
211 struct swm_region {
212 TAILQ_ENTRY(swm_region) entry;
213 struct swm_geometry g;
214 struct workspace *ws; /* current workspace on this region */
215 struct swm_screen *s; /* screen idx */
216 Window bar_window;
217 };
218 TAILQ_HEAD(swm_region_list, swm_region);
219
220 struct ws_win {
221 TAILQ_ENTRY(ws_win) entry;
222 Window id;
223 struct swm_geometry g;
224 int got_focus;
225 int floating;
226 int transient;
227 int manual;
228 int font_size_boundary[SWM_MAX_FONT_STEPS];
229 int font_steps;
230 int last_inc;
231 unsigned long quirks;
232 struct workspace *ws; /* always valid */
233 struct swm_screen *s; /* always valid, never changes */
234 XWindowAttributes wa;
235 XSizeHints sh;
236 XClassHint ch;
237 };
238 TAILQ_HEAD(ws_win_list, ws_win);
239
240 /* layout handlers */
241 void stack(void);
242 void vertical_config(struct workspace *, int);
243 void vertical_stack(struct workspace *, struct swm_geometry *);
244 void horizontal_config(struct workspace *, int);
245 void horizontal_stack(struct workspace *, struct swm_geometry *);
246 void max_stack(struct workspace *, struct swm_geometry *);
247
248 void grabbuttons(struct ws_win *, int);
249
250 struct layout {
251 void (*l_stack)(struct workspace *, struct swm_geometry *);
252 void (*l_config)(struct workspace *, int);
253 } layouts[] = {
254 /* stack, configure */
255 { vertical_stack, vertical_config},
256 { horizontal_stack, horizontal_config},
257 { max_stack, NULL},
258 { NULL, NULL},
259 };
260
261 #define SWM_H_SLICE (32)
262 #define SWM_V_SLICE (32)
263
264 /* define work spaces */
265 struct workspace {
266 int idx; /* workspace index */
267 int restack; /* restack on switch */
268 struct layout *cur_layout; /* current layout handlers */
269 struct ws_win *focus; /* may be NULL */
270 struct ws_win *focus_prev; /* may be NULL */
271 struct swm_region *r; /* may be NULL */
272 struct ws_win_list winlist; /* list of windows in ws */
273
274 /* stacker state */
275 struct {
276 int horizontal_msize;
277 int horizontal_mwin;
278 int horizontal_stacks;
279 int vertical_msize;
280 int vertical_mwin;
281 int vertical_stacks;
282 } l_state;
283 };
284
285 enum { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
286 SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
287
288 /* physical screen mapping */
289 #define SWM_WS_MAX (10) /* XXX Too small? */
290 struct swm_screen {
291 int idx; /* screen index */
292 struct swm_region_list rl; /* list of regions on this screen */
293 struct swm_region_list orl; /* list of old regions */
294 Window root;
295 struct workspace ws[SWM_WS_MAX];
296
297 /* colors */
298 struct {
299 unsigned long color;
300 char *name;
301 } c[SWM_S_COLOR_MAX];
302 };
303 struct swm_screen *screens;
304 int num_screens;
305
306 struct ws_win *cur_focus = NULL;
307
308 /* args to functions */
309 union arg {
310 int id;
311 #define SWM_ARG_ID_FOCUSNEXT (0)
312 #define SWM_ARG_ID_FOCUSPREV (1)
313 #define SWM_ARG_ID_FOCUSMAIN (2)
314 #define SWM_ARG_ID_SWAPNEXT (3)
315 #define SWM_ARG_ID_SWAPPREV (4)
316 #define SWM_ARG_ID_SWAPMAIN (5)
317 #define SWM_ARG_ID_MASTERSHRINK (6)
318 #define SWM_ARG_ID_MASTERGROW (7)
319 #define SWM_ARG_ID_MASTERADD (8)
320 #define SWM_ARG_ID_MASTERDEL (9)
321 #define SWM_ARG_ID_STACKRESET (10)
322 #define SWM_ARG_ID_STACKINIT (11)
323 #define SWM_ARG_ID_CYCLEWS_UP (12)
324 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
325 #define SWM_ARG_ID_CYCLESC_UP (14)
326 #define SWM_ARG_ID_CYCLESC_DOWN (15)
327 #define SWM_ARG_ID_STACKINC (16)
328 #define SWM_ARG_ID_STACKDEC (17)
329 #define SWM_ARG_ID_SS_ALL (0)
330 #define SWM_ARG_ID_SS_WINDOW (1)
331 #define SWM_ARG_ID_DONTCENTER (0)
332 #define SWM_ARG_ID_CENTER (1)
333 char **argv;
334 };
335
336 /* quirks */
337 struct quirk {
338 char *class;
339 char *name;
340 unsigned long quirk;
341 #define SWM_Q_FLOAT (1<<0) /* float this window */
342 #define SWM_Q_TRANSSZ (1<<1) /* transiend window size too small */
343 #define SWM_Q_ANYWHERE (1<<2) /* don't position this window */
344 #define SWM_Q_XTERM_FONTADJ (1<<3) /* adjust xterm fonts when resizing */
345 } quirks[] = {
346 { "MPlayer", "xv", SWM_Q_FLOAT },
347 { "OpenOffice.org 2.4", "VCLSalFrame", SWM_Q_FLOAT },
348 { "OpenOffice.org 3.0", "VCLSalFrame", SWM_Q_FLOAT },
349 { "Firefox-bin", "firefox-bin", SWM_Q_TRANSSZ},
350 { "Gimp", "gimp", SWM_Q_FLOAT | SWM_Q_ANYWHERE},
351 { "XTerm", "xterm", SWM_Q_XTERM_FONTADJ},
352 { NULL, NULL, 0},
353 };
354
355 /* events */
356 void expose(XEvent *);
357 void keypress(XEvent *);
358 void buttonpress(XEvent *);
359 void configurerequest(XEvent *);
360 void configurenotify(XEvent *);
361 void destroynotify(XEvent *);
362 void enternotify(XEvent *);
363 void focusin(XEvent *);
364 void mappingnotify(XEvent *);
365 void maprequest(XEvent *);
366 void propertynotify(XEvent *);
367 void unmapnotify(XEvent *);
368 void visibilitynotify(XEvent *);
369
370 void (*handler[LASTEvent])(XEvent *) = {
371 [Expose] = expose,
372 [KeyPress] = keypress,
373 [ButtonPress] = buttonpress,
374 [ConfigureRequest] = configurerequest,
375 [ConfigureNotify] = configurenotify,
376 [DestroyNotify] = destroynotify,
377 [EnterNotify] = enternotify,
378 [FocusIn] = focusin,
379 [MappingNotify] = mappingnotify,
380 [MapRequest] = maprequest,
381 [PropertyNotify] = propertynotify,
382 [UnmapNotify] = unmapnotify,
383 [VisibilityNotify] = visibilitynotify,
384 };
385
386 unsigned long
387 name_to_color(char *colorname)
388 {
389 Colormap cmap;
390 Status status;
391 XColor screen_def, exact_def;
392 unsigned long result = 0;
393 char cname[32] = "#";
394
395 cmap = DefaultColormap(display, screens[0].idx);
396 status = XAllocNamedColor(display, cmap, colorname,
397 &screen_def, &exact_def);
398 if (!status) {
399 strlcat(cname, colorname + 2, sizeof cname - 1);
400 status = XAllocNamedColor(display, cmap, cname, &screen_def,
401 &exact_def);
402 }
403 if (status)
404 result = screen_def.pixel;
405 else
406 fprintf(stderr, "color '%s' not found.\n", colorname);
407
408 return (result);
409 }
410
411 void
412 setscreencolor(char *val, int i, int c)
413 {
414 if (i > 0 && i <= ScreenCount(display)) {
415 screens[i - 1].c[c].color = name_to_color(val);
416 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
417 errx(1, "strdup");
418 } else if (i == -1) {
419 for (i = 0; i < ScreenCount(display); i++)
420 screens[i].c[c].color = name_to_color(val);
421 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
422 errx(1, "strdup");
423 } else
424 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
425 i, ScreenCount(display));
426 }
427
428 void new_region(struct swm_screen *, int, int, int, int);
429
430 void
431 custom_region(char *val)
432 {
433 unsigned int sidx, x, y, w, h;
434
435 if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
436 errx(1, "invalid custom region, "
437 "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
438 if (sidx < 1 || sidx > ScreenCount(display))
439 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
440 sidx, ScreenCount(display));
441 sidx--;
442
443 if (w < 1 || h < 1)
444 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
445
446 if (x < 0 || x > DisplayWidth(display, sidx) ||
447 y < 0 || y > DisplayHeight(display, sidx) ||
448 w + x > DisplayWidth(display, sidx) ||
449 h + y > DisplayHeight(display, sidx))
450 errx(1, "region %ux%u+%u+%u not within screen boundaries "
451 "(%ux%u)\n", w, h, x, y,
452 DisplayWidth(display, sidx), DisplayHeight(display, sidx));
453
454 new_region(&screens[sidx], x, y, w, h);
455 }
456
457 int
458 varmatch(char *var, char *name, int *index)
459 {
460 char *p, buf[5];
461 int i;
462
463 i = strncmp(var, name, 255);
464 if (index == NULL)
465 return (i);
466
467 *index = -1;
468 if (i <= 0)
469 return (i);
470 p = var + strlen(name);
471 if (*p++ != '[')
472 return (i);
473 bzero(buf, sizeof buf);
474 i = 0;
475 while (isdigit(*p) && i < sizeof buf)
476 buf[i++] = *p++;
477 if (i == 0 || i >= sizeof buf || *p != ']')
478 return (1);
479 *index = strtonum(buf, 0, 99, NULL);
480 return (0);
481 }
482
483 /* conf file stuff */
484 #define SWM_CONF_WS "\n= \t"
485 #define SWM_CONF_FILE "scrotwm.conf"
486 int
487 conf_load(char *filename)
488 {
489 FILE *config;
490 char *line, *cp, *var, *val;
491 size_t len, lineno = 0;
492 int i, sc;
493
494 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
495
496 if (filename == NULL)
497 return (1);
498
499 if ((config = fopen(filename, "r")) == NULL)
500 return (1);
501
502 for (sc = ScreenCount(display);;) {
503 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
504 if (feof(config))
505 break;
506 cp = line;
507 cp += (long)strspn(cp, SWM_CONF_WS);
508 if (cp[0] == '\0') {
509 /* empty line */
510 free(line);
511 continue;
512 }
513 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
514 break;
515 cp += (long)strspn(cp, SWM_CONF_WS);
516 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
517 break;
518
519 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
520 switch (var[0]) {
521 case 'b':
522 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
523 bar_enabled = atoi(val);
524 else if (!varmatch(var, "bar_border", &i))
525 setscreencolor(val, i, SWM_S_COLOR_BAR_BORDER);
526 else if (!varmatch(var, "bar_color", &i))
527 setscreencolor(val, i, SWM_S_COLOR_BAR);
528 else if (!varmatch(var, "bar_font_color", &i))
529 setscreencolor(val, i, SWM_S_COLOR_BAR_FONT);
530 else if (!strncmp(var, "bar_font", strlen("bar_font")))
531 asprintf(&bar_fonts[0], "%s", val);
532 else if (!strncmp(var, "bar_action", strlen("bar_action")))
533 asprintf(&bar_argv[0], "%s", val);
534 else if (!strncmp(var, "bar_delay", strlen("bar_delay")))
535 bar_delay = atoi(val);
536 else
537 goto bad;
538 break;
539
540 case 'c':
541 if (!varmatch(var, "color_focus", &i))
542 setscreencolor(val, i, SWM_S_COLOR_FOCUS);
543 else if (!varmatch(var, "color_unfocus", &i))
544 setscreencolor(val, i, SWM_S_COLOR_UNFOCUS);
545 else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
546 cycle_visible = atoi(val);
547 else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
548 cycle_visible = atoi(val);
549 else
550 goto bad;
551 break;
552
553 case 'd':
554 if (!strncmp(var, "dialog_ratio",
555 strlen("dialog_ratio"))) {
556 dialog_ratio = atof(val);
557 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
558 dialog_ratio = .6;
559 } else
560 goto bad;
561 break;
562
563 case 'r':
564 if (!strncmp(var, "region", strlen("region")))
565 custom_region(val);
566 else
567 goto bad;
568 break;
569
570 case 's':
571 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
572 asprintf(&spawn_term[0], "%s", val);
573 else if (!strncmp(var, "screenshot_enabled",
574 strlen("screenshot_enabled")))
575 ss_enabled = atoi(val);
576 else if (!strncmp(var, "screenshot_app",
577 strlen("screenshot_app")))
578 asprintf(&spawn_screenshot[0], "%s", val);
579 else
580 goto bad;
581 break;
582
583 case 't':
584 if (!strncmp(var, "term_width", strlen("term_width")))
585 term_width = atoi(val);
586 else
587 goto bad;
588 break;
589
590 default:
591 goto bad;
592 }
593 free(line);
594 }
595
596 fclose(config);
597 return (0);
598
599 bad:
600 errx(1, "invalid conf file entry: %s=%s", var, val);
601 }
602
603 void
604 socket_setnonblock(int fd)
605 {
606 int flags;
607
608 if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
609 err(1, "fcntl F_GETFL");
610 flags |= O_NONBLOCK;
611 if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
612 err(1, "fcntl F_SETFL");
613 }
614
615 void
616 bar_print(struct swm_region *r, char *s)
617 {
618 XClearWindow(display, r->bar_window);
619 XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
620 XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
621 strlen(s));
622 }
623
624 void
625 bar_extra_stop(void)
626 {
627 if (bar_pipe[0]) {
628 close(bar_pipe[0]);
629 bzero(bar_pipe, sizeof bar_pipe);
630 }
631 if (bar_pid) {
632 kill(bar_pid, SIGTERM);
633 bar_pid = 0;
634 }
635 strlcpy(bar_ext, "", sizeof bar_ext);
636 bar_extra = 0;
637 }
638
639 void
640 bar_update(void)
641 {
642 time_t tmt;
643 struct tm tm;
644 struct swm_region *r;
645 int i, x;
646 size_t len;
647 char s[SWM_BAR_MAX];
648 char loc[SWM_BAR_MAX];
649 char *b;
650
651 if (bar_enabled == 0)
652 return;
653
654 if (bar_extra && bar_extra_running) {
655 /* ignore short reads; it'll correct itself */
656 while ((b = fgetln(stdin, &len)) != NULL)
657 if (b && b[len - 1] == '\n') {
658 b[len - 1] = '\0';
659 strlcpy(bar_ext, b, sizeof bar_ext);
660 }
661 if (b == NULL && errno != EAGAIN) {
662 fprintf(stderr, "bar_extra failed: errno: %d %s\n",
663 errno, strerror(errno));
664 bar_extra_stop();
665 }
666 } else
667 strlcpy(bar_ext, "", sizeof bar_ext);
668
669 time(&tmt);
670 localtime_r(&tmt, &tm);
671 strftime(s, sizeof s, "%a %b %d %R %Z %Y", &tm);
672 for (i = 0; i < ScreenCount(display); i++) {
673 x = 1;
674 TAILQ_FOREACH(r, &screens[i].rl, entry) {
675 snprintf(loc, sizeof loc, "%s %d:%d %s %s",
676 s, x++, r->ws->idx + 1, bar_ext, bar_vertext);
677 bar_print(r, loc);
678 }
679 }
680 XSync(display, False);
681 alarm(bar_delay);
682 }
683
684 void
685 bar_signal(int sig)
686 {
687 bar_alarm = 1;
688 }
689
690 void
691 bar_toggle(struct swm_region *r, union arg *args)
692 {
693 struct swm_region *tmpr;
694 int i, j, sc = ScreenCount(display);
695
696 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
697
698 if (bar_enabled) {
699 for (i = 0; i < sc; i++)
700 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
701 XUnmapWindow(display, tmpr->bar_window);
702 } else {
703 for (i = 0; i < sc; i++)
704 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
705 XMapRaised(display, tmpr->bar_window);
706 }
707 bar_enabled = !bar_enabled;
708 XSync(display, False);
709 for (i = 0; i < sc; i++)
710 for (j = 0; j < SWM_WS_MAX; j++)
711 screens[i].ws[j].restack = 1;
712
713 stack();
714 /* must be after stack */
715 for (i = 0; i < sc; i++)
716 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
717 bar_update();
718 }
719
720 void
721 bar_refresh(void)
722 {
723 XSetWindowAttributes wa;
724 struct swm_region *r;
725 int i;
726
727 /* do this here because the conf file is in memory */
728 if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
729 /* launch external status app */
730 bar_extra_running = 1;
731 if (pipe(bar_pipe) == -1)
732 err(1, "pipe error");
733 socket_setnonblock(bar_pipe[0]);
734 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
735 if (dup2(bar_pipe[0], 0) == -1)
736 errx(1, "dup2");
737 if (dup2(bar_pipe[1], 1) == -1)
738 errx(1, "dup2");
739 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
740 err(1, "could not disable SIGPIPE");
741 switch (bar_pid = fork()) {
742 case -1:
743 err(1, "cannot fork");
744 break;
745 case 0: /* child */
746 close(bar_pipe[0]);
747 execvp(bar_argv[0], bar_argv);
748 err(1, "%s external app failed", bar_argv[0]);
749 break;
750 default: /* parent */
751 close(bar_pipe[1]);
752 break;
753 }
754 }
755
756 bzero(&wa, sizeof wa);
757 for (i = 0; i < ScreenCount(display); i++)
758 TAILQ_FOREACH(r, &screens[i].rl, entry) {
759 wa.border_pixel =
760 screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
761 wa.background_pixel =
762 screens[i].c[SWM_S_COLOR_BAR].color;
763 XChangeWindowAttributes(display, r->bar_window,
764 CWBackPixel | CWBorderPixel, &wa);
765 }
766 bar_update();
767 }
768
769 void
770 bar_setup(struct swm_region *r)
771 {
772 int i;
773
774 for (i = 0; bar_fonts[i] != NULL; i++) {
775 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
776 if (bar_fs) {
777 bar_fidx = i;
778 break;
779 }
780 }
781 if (bar_fonts[i] == NULL)
782 errx(1, "couldn't load font");
783 bar_height = bar_fs->ascent + bar_fs->descent + 3;
784
785 r->bar_window = XCreateSimpleWindow(display,
786 r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
787 1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
788 r->s->c[SWM_S_COLOR_BAR].color);
789 bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
790 XSetFont(display, bar_gc, bar_fs->fid);
791 XSelectInput(display, r->bar_window, VisibilityChangeMask);
792 if (bar_enabled)
793 XMapRaised(display, r->bar_window);
794 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
795
796 if (signal(SIGALRM, bar_signal) == SIG_ERR)
797 err(1, "could not install bar_signal");
798 bar_refresh();
799 }
800
801 void
802 version(struct swm_region *r, union arg *args)
803 {
804 bar_version = !bar_version;
805 if (bar_version)
806 strlcpy(bar_vertext, cvstag, sizeof bar_vertext);
807 else
808 strlcpy(bar_vertext, "", sizeof bar_vertext);
809 bar_update();
810 }
811
812 void
813 config_win(struct ws_win *win)
814 {
815 XConfigureEvent ce;
816
817 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
818 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
819 ce.type = ConfigureNotify;
820 ce.display = display;
821 ce.event = win->id;
822 ce.window = win->id;
823 ce.x = win->g.x;
824 ce.y = win->g.y;
825 ce.width = win->g.w;
826 ce.height = win->g.h;
827 ce.border_width = 1; /* XXX store this! */
828 ce.above = None;
829 ce.override_redirect = False;
830 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
831 }
832
833 int
834 count_win(struct workspace *ws, int count_transient)
835 {
836 struct ws_win *win;
837 int count = 0;
838
839 TAILQ_FOREACH(win, &ws->winlist, entry) {
840 if (count_transient == 0 && win->floating)
841 continue;
842 if (count_transient == 0 && win->transient)
843 continue;
844 count++;
845 }
846 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
847
848 return (count);
849 }
850
851 void
852 quit(struct swm_region *r, union arg *args)
853 {
854 DNPRINTF(SWM_D_MISC, "quit\n");
855 running = 0;
856 }
857
858 void
859 unmap_all(void)
860 {
861 struct ws_win *win;
862 int i, j;
863
864 for (i = 0; i < ScreenCount(display); i++)
865 for (j = 0; j < SWM_WS_MAX; j++)
866 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
867 XUnmapWindow(display, win->id);
868 }
869
870 void
871 fake_keypress(struct ws_win *win, int keysym, int modifiers)
872 {
873 XKeyEvent event;
874
875 event.display = display; /* Ignored, but what the hell */
876 event.window = win->id;
877 event.root = win->s->root;
878 event.subwindow = None;
879 event.time = CurrentTime;
880 event.x = win->g.x;
881 event.y = win->g.y;
882 event.x_root = 1;
883 event.y_root = 1;
884 event.same_screen = True;
885 event.keycode = XKeysymToKeycode(display, keysym);
886 event.state = modifiers;
887
888 event.type = KeyPress;
889 XSendEvent(event.display, event.window, True,
890 KeyPressMask, (XEvent *)&event);
891
892 event.type = KeyRelease;
893 XSendEvent(event.display, event.window, True,
894 KeyPressMask, (XEvent *)&event);
895
896 }
897
898 void
899 restart(struct swm_region *r, union arg *args)
900 {
901 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
902
903 /* disable alarm because the following code may not be interrupted */
904 alarm(0);
905 if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
906 errx(1, "can't disable alarm");
907
908 bar_extra_stop();
909 bar_extra = 1;
910 unmap_all();
911 XCloseDisplay(display);
912 execvp(start_argv[0], start_argv);
913 fprintf(stderr, "execvp failed\n");
914 perror(" failed");
915 quit(NULL, NULL);
916 }
917
918 struct swm_region *
919 root_to_region(Window root)
920 {
921 struct swm_region *r = NULL;
922 Window rr, cr;
923 int i, x, y, wx, wy;
924 unsigned int mask;
925
926 for (i = 0; i < ScreenCount(display); i++)
927 if (screens[i].root == root)
928 break;
929
930 if (XQueryPointer(display, screens[i].root,
931 &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
932 /* choose a region based on pointer location */
933 TAILQ_FOREACH(r, &screens[i].rl, entry)
934 if (x >= X(r) && x <= X(r) + WIDTH(r) &&
935 y >= Y(r) && y <= Y(r) + HEIGHT(r))
936 break;
937 }
938
939 if (r == NULL)
940 r = TAILQ_FIRST(&screens[i].rl);
941
942 return (r);
943 }
944
945 struct ws_win *
946 find_window(Window id)
947 {
948 struct ws_win *win;
949 int i, j;
950
951 for (i = 0; i < ScreenCount(display); i++)
952 for (j = 0; j < SWM_WS_MAX; j++)
953 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
954 if (id == win->id)
955 return (win);
956 return (NULL);
957 }
958
959 void
960 spawn(struct swm_region *r, union arg *args)
961 {
962 char *ret;
963 int si;
964
965 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
966 /*
967 * The double-fork construct avoids zombie processes and keeps the code
968 * clean from stupid signal handlers.
969 */
970 if (fork() == 0) {
971 if (fork() == 0) {
972 if (display)
973 close(ConnectionNumber(display));
974 setenv("LD_PRELOAD", SWM_LIB, 1);
975 if (asprintf(&ret, "%d", r->ws->idx)) {
976 setenv("_SWM_WS", ret, 1);
977 free(ret);
978 }
979 if (asprintf(&ret, "%d", getpid())) {
980 setenv("_SWM_PID", ret, 1);
981 free(ret);
982 }
983 setsid();
984 /* kill stdin, mplayer, ssh-add etc. need that */
985 si = open("/dev/null", O_RDONLY, 0);
986 if (si == -1)
987 err(1, "open /dev/null");
988 if (dup2(si, 0) == -1)
989 err(1, "dup2 /dev/null");
990 execvp(args->argv[0], args->argv);
991 fprintf(stderr, "execvp failed\n");
992 perror(" failed");
993 }
994 exit(0);
995 }
996 wait(0);
997 }
998
999 void
1000 spawnterm(struct swm_region *r, union arg *args)
1001 {
1002 DNPRINTF(SWM_D_MISC, "spawnterm\n");
1003
1004 if (term_width)
1005 setenv("_SWM_XTERM_FONTADJ", "", 1);
1006 spawn(r, args);
1007 }
1008
1009 void
1010 spawnmenu(struct swm_region *r, union arg *args)
1011 {
1012 DNPRINTF(SWM_D_MISC, "spawnmenu\n");
1013
1014 spawn_menu[SWM_MENU_FN] = bar_fonts[bar_fidx];
1015 spawn_menu[SWM_MENU_NB] = r->s->c[SWM_S_COLOR_BAR].name;
1016 spawn_menu[SWM_MENU_NF] = r->s->c[SWM_S_COLOR_BAR_FONT].name;
1017 spawn_menu[SWM_MENU_SB] = r->s->c[SWM_S_COLOR_BAR_BORDER].name;
1018 spawn_menu[SWM_MENU_SF] = r->s->c[SWM_S_COLOR_BAR].name;
1019
1020 spawn(r, args);
1021 }
1022
1023 void
1024 unfocus_all(void)
1025 {
1026 struct ws_win *win;
1027 int i, j;
1028
1029 DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
1030
1031 for (i = 0; i < ScreenCount(display); i++)
1032 for (j = 0; j < SWM_WS_MAX; j++)
1033 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1034 if (win->ws->r == NULL)
1035 continue;
1036 grabbuttons(win, 0);
1037 XSetWindowBorder(display, win->id,
1038 win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1039 win->got_focus = 0;
1040 win->ws->focus = NULL;
1041 cur_focus = NULL;
1042 }
1043 }
1044
1045 void
1046 focus_win(struct ws_win *win)
1047 {
1048 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1049
1050 if (win == NULL)
1051 return;
1052
1053 if (win->ws->focus != win && win->ws->focus != NULL)
1054 win->ws->focus_prev = win->ws->focus;
1055
1056 unfocus_all();
1057 win->ws->focus = win;
1058 if (win->ws->r != NULL) {
1059 cur_focus = win;
1060 if (!win->got_focus) {
1061 XSetWindowBorder(display, win->id,
1062 win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1063 grabbuttons(win, 1);
1064 }
1065 win->got_focus = 1;
1066 XSetInputFocus(display, win->id,
1067 RevertToPointerRoot, CurrentTime);
1068 }
1069 }
1070
1071 void
1072 switchws(struct swm_region *r, union arg *args)
1073 {
1074 int wsid = args->id;
1075 struct swm_region *this_r, *other_r;
1076 struct ws_win *win;
1077 struct workspace *new_ws, *old_ws;
1078
1079 this_r = r;
1080 old_ws = this_r->ws;
1081 new_ws = &this_r->s->ws[wsid];
1082
1083 DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1084 "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1085 old_ws->idx, wsid);
1086
1087 if (new_ws == old_ws)
1088 return;
1089
1090 other_r = new_ws->r;
1091 if (!other_r) {
1092 /* if the other workspace is hidden, switch windows */
1093 /* map new window first to prevent ugly blinking */
1094 old_ws->r = NULL;
1095 old_ws->restack = 1;
1096
1097 TAILQ_FOREACH(win, &new_ws->winlist, entry)
1098 XMapRaised(display, win->id);
1099
1100 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1101 XUnmapWindow(display, win->id);
1102 } else {
1103 other_r->ws = old_ws;
1104 old_ws->r = other_r;
1105 }
1106 this_r->ws = new_ws;
1107 new_ws->r = this_r;
1108
1109 ignore_enter = 1;
1110 /* set focus */
1111 if (new_ws->focus)
1112 focus_win(new_ws->focus);
1113 stack();
1114 bar_update();
1115 }
1116
1117 void
1118 cyclews(struct swm_region *r, union arg *args)
1119 {
1120 union arg a;
1121 struct swm_screen *s = r->s;
1122
1123 DNPRINTF(SWM_D_WS, "cyclews id %d "
1124 "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1125 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1126
1127 a.id = r->ws->idx;
1128 do {
1129 switch (args->id) {
1130 case SWM_ARG_ID_CYCLEWS_UP:
1131 if (a.id < SWM_WS_MAX - 1)
1132 a.id++;
1133 else
1134 a.id = 0;
1135 break;
1136 case SWM_ARG_ID_CYCLEWS_DOWN:
1137 if (a.id > 0)
1138 a.id--;
1139 else
1140 a.id = SWM_WS_MAX - 1;
1141 break;
1142 default:
1143 return;
1144 };
1145
1146 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1147 continue;
1148 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1149 continue;
1150
1151 switchws(r, &a);
1152 } while (a.id != r->ws->idx);
1153 }
1154
1155 void
1156 cyclescr(struct swm_region *r, union arg *args)
1157 {
1158 struct swm_region *rr;
1159 int i;
1160
1161 i = r->s->idx;
1162 switch (args->id) {
1163 case SWM_ARG_ID_CYCLESC_UP:
1164 rr = TAILQ_NEXT(r, entry);
1165 if (rr == NULL)
1166 rr = TAILQ_FIRST(&screens[i].rl);
1167 break;
1168 case SWM_ARG_ID_CYCLESC_DOWN:
1169 rr = TAILQ_PREV(r, swm_region_list, entry);
1170 if (rr == NULL)
1171 rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1172 break;
1173 default:
1174 return;
1175 };
1176 unfocus_all();
1177 XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1178 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, rr->g.x,
1179 rr->g.y + bar_enabled ? bar_height : 0);
1180 }
1181
1182 void
1183 swapwin(struct swm_region *r, union arg *args)
1184 {
1185 struct ws_win *target, *source;
1186 struct ws_win_list *wl;
1187
1188
1189 DNPRINTF(SWM_D_WS, "swapwin id %d "
1190 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1191 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1192 if (cur_focus == NULL)
1193 return;
1194
1195 source = cur_focus;
1196 wl = &source->ws->winlist;
1197
1198 switch (args->id) {
1199 case SWM_ARG_ID_SWAPPREV:
1200 target = TAILQ_PREV(source, ws_win_list, entry);
1201 TAILQ_REMOVE(wl, cur_focus, entry);
1202 if (target == NULL)
1203 TAILQ_INSERT_TAIL(wl, source, entry);
1204 else
1205 TAILQ_INSERT_BEFORE(target, source, entry);
1206 break;
1207 case SWM_ARG_ID_SWAPNEXT:
1208 target = TAILQ_NEXT(source, entry);
1209 TAILQ_REMOVE(wl, source, entry);
1210 if (target == NULL)
1211 TAILQ_INSERT_HEAD(wl, source, entry);
1212 else
1213 TAILQ_INSERT_AFTER(wl, target, source, entry);
1214 break;
1215 case SWM_ARG_ID_SWAPMAIN:
1216 target = TAILQ_FIRST(wl);
1217 if (target == source) {
1218 if (source->ws->focus_prev != NULL &&
1219 source->ws->focus_prev != target)
1220
1221 source = source->ws->focus_prev;
1222 else
1223 return;
1224 }
1225 source->ws->focus_prev = target;
1226 TAILQ_REMOVE(wl, target, entry);
1227 TAILQ_INSERT_BEFORE(source, target, entry);
1228 TAILQ_REMOVE(wl, source, entry);
1229 TAILQ_INSERT_HEAD(wl, source, entry);
1230 break;
1231 default:
1232 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1233 return;
1234 }
1235
1236 ignore_enter = 1;
1237 stack();
1238 }
1239
1240 void
1241 focus(struct swm_region *r, union arg *args)
1242 {
1243 struct ws_win *winfocus, *winlostfocus;
1244 struct ws_win_list *wl;
1245
1246 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1247 if (cur_focus == NULL)
1248 return;
1249
1250 wl = &cur_focus->ws->winlist;
1251
1252 winlostfocus = cur_focus;
1253
1254 switch (args->id) {
1255 case SWM_ARG_ID_FOCUSPREV:
1256 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1257 if (winfocus == NULL)
1258 winfocus = TAILQ_LAST(wl, ws_win_list);
1259 break;
1260
1261 case SWM_ARG_ID_FOCUSNEXT:
1262 winfocus = TAILQ_NEXT(cur_focus, entry);
1263 if (winfocus == NULL)
1264 winfocus = TAILQ_FIRST(wl);
1265 break;
1266
1267 case SWM_ARG_ID_FOCUSMAIN:
1268 winfocus = TAILQ_FIRST(wl);
1269 break;
1270
1271 default:
1272 return;
1273 }
1274
1275 if (winfocus == winlostfocus || winfocus == NULL)
1276 return;
1277
1278 XMapRaised(display, winfocus->id);
1279 focus_win(winfocus);
1280 XSync(display, False);
1281 }
1282
1283 void
1284 cycle_layout(struct swm_region *r, union arg *args)
1285 {
1286 struct workspace *ws = r->ws;
1287
1288 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1289
1290 ws->cur_layout++;
1291 if (ws->cur_layout->l_stack == NULL)
1292 ws->cur_layout = &layouts[0];
1293 ignore_enter = 1;
1294 stack();
1295 }
1296
1297 void
1298 stack_config(struct swm_region *r, union arg *args)
1299 {
1300 struct workspace *ws = r->ws;
1301
1302 DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1303 args->id, ws->idx);
1304
1305 if (ws->cur_layout->l_config != NULL)
1306 ws->cur_layout->l_config(ws, args->id);
1307
1308 if (args->id != SWM_ARG_ID_STACKINIT);
1309 stack();
1310 }
1311
1312 void
1313 stack(void) {
1314 struct swm_geometry g;
1315 struct swm_region *r;
1316 int i, j;
1317
1318 DNPRINTF(SWM_D_STACK, "stack\n");
1319
1320 for (i = 0; i < ScreenCount(display); i++) {
1321 j = 0;
1322 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1323 DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1324 "(screen %d, region %d)\n", r->ws->idx, i, j++);
1325
1326 /* start with screen geometry, adjust for bar */
1327 g = r->g;
1328 g.w -= 2;
1329 g.h -= 2;
1330 if (bar_enabled) {
1331 g.y += bar_height;
1332 g.h -= bar_height;
1333 }
1334
1335 r->ws->restack = 0;
1336 r->ws->cur_layout->l_stack(r->ws, &g);
1337 }
1338 }
1339 if (font_adjusted)
1340 font_adjusted--;
1341 XSync(display, False);
1342 }
1343
1344 void
1345 stack_floater(struct ws_win *win, struct swm_region *r)
1346 {
1347 unsigned int mask;
1348 XWindowChanges wc;
1349
1350 bzero(&wc, sizeof wc);
1351 mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1352 wc.border_width = 1;
1353 if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1354 win->g.w = (double)WIDTH(r) * dialog_ratio;
1355 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1356 }
1357 wc.width = win->g.w;
1358 wc.height = win->g.h;
1359 if (win->manual) {
1360 wc.x = win->g.x;
1361 wc.y = win->g.y;
1362 } else {
1363 wc.x = (WIDTH(r) - win->g.w) / 2;
1364 wc.y = (HEIGHT(r) - win->g.h) / 2;
1365 }
1366
1367 DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1368 win->id, wc.x, wc.y, wc.width, wc.height);
1369
1370 XConfigureWindow(display, win->id, mask, &wc);
1371 }
1372
1373 /*
1374 * Send keystrokes to terminal to decrease/increase the font size as the
1375 * window size changes.
1376 */
1377 void
1378 adjust_font(struct ws_win *win)
1379 {
1380 if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1381 win->floating || win->transient)
1382 return;
1383
1384 if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1385 win->g.w / win->sh.width_inc < term_width &&
1386 win->font_steps < SWM_MAX_FONT_STEPS) {
1387 win->font_size_boundary[win->font_steps] =
1388 (win->sh.width_inc * term_width) + win->sh.base_width;
1389 win->font_steps++;
1390 font_adjusted++;
1391 win->last_inc = win->sh.width_inc;
1392 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1393 } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1394 win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1395 win->font_steps--;
1396 font_adjusted++;
1397 win->last_inc = win->sh.width_inc;
1398 fake_keypress(win, XK_KP_Add, ShiftMask);
1399 }
1400 }
1401
1402 #define SWAPXY(g) do { \
1403 int tmp; \
1404 tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp; \
1405 tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp; \
1406 } while (0)
1407 void
1408 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1409 {
1410 XWindowChanges wc;
1411 struct swm_geometry win_g, r_g = *g;
1412 struct ws_win *win, *winfocus;
1413 int i, j, s, w_inc, h_inc, w_base, h_base, stacks;
1414 int hrh, extra, h_slice, last_h = 0;
1415 int split, colno, winno, mwin, msize, mscale;
1416 int remain, missing, v_slice;;
1417 unsigned int mask;
1418
1419 DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1420 ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1421
1422 if ((winno = count_win(ws, 0)) == 0)
1423 return;
1424
1425 if (ws->focus == NULL)
1426 ws->focus = TAILQ_FIRST(&ws->winlist);
1427 winfocus = cur_focus ? cur_focus : ws->focus;
1428
1429 win = TAILQ_FIRST(&ws->winlist);
1430 if (rot) {
1431 w_inc = win->sh.width_inc;
1432 w_base = win->sh.base_width;
1433 mwin = ws->l_state.horizontal_mwin;
1434 mscale = ws->l_state.horizontal_msize;
1435 stacks = ws->l_state.horizontal_stacks;
1436 SWAPXY(&r_g);
1437 } else {
1438 w_inc = win->sh.height_inc;
1439 w_base = win->sh.base_height;
1440 mwin = ws->l_state.vertical_mwin;
1441 mscale = ws->l_state.vertical_msize;
1442 stacks = ws->l_state.vertical_stacks;
1443 }
1444 win_g = r_g;
1445
1446 if (stacks > winno - mwin)
1447 stacks = winno - mwin;
1448 if (stacks < 1)
1449 stacks = 1;
1450
1451 h_slice = r_g.h / SWM_H_SLICE;
1452 if (mwin && winno > mwin) {
1453 v_slice = r_g.w / SWM_V_SLICE;
1454
1455 split = mwin;
1456 colno = split;
1457 win_g.w = v_slice * mscale;
1458
1459 if (w_inc > 1 && w_inc < v_slice) {
1460 /* adjust for window's requested size increment */
1461 remain = (win_g.w - w_base) % w_inc;
1462 missing = w_inc - remain;
1463
1464 if (missing <= extra || j == 0) {
1465 extra -= missing;
1466 win_g.w += missing;
1467 } else {
1468 win_g.w -= remain;
1469 extra += remain;
1470 }
1471 }
1472
1473 msize = win_g.w;
1474 if (flip)
1475 win_g.x += r_g.w - msize;
1476 } else {
1477 msize = -2;
1478 colno = split = winno / stacks;
1479 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1480 }
1481 hrh = r_g.h / colno;
1482 extra = r_g.h - (colno * hrh);
1483 win_g.h = hrh - 2;
1484
1485 /* stack all the tiled windows */
1486 i = j = 0, s = stacks;
1487 TAILQ_FOREACH(win, &ws->winlist, entry) {
1488 if (win->transient != 0 || win->floating != 0)
1489 continue;
1490
1491 if (split && i == split) {
1492 colno = (winno - mwin) / stacks;
1493 if (s <= (winno - mwin) % stacks)
1494 colno++;
1495 split = split + colno;
1496 hrh = (r_g.h / colno);
1497 extra = r_g.h - (colno * hrh);
1498 if (flip)
1499 win_g.x = r_g.x;
1500 else
1501 win_g.x += win_g.w + 2;
1502 win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1503 if (s == 1)
1504 win_g.w += (r_g.w - msize - (stacks * 2)) %
1505 stacks;
1506 s--;
1507 j = 0;
1508 }
1509 win_g.h = hrh - 2;
1510 if (rot) {
1511 h_inc = win->sh.width_inc;
1512 h_base = win->sh.base_width;
1513 } else {
1514 h_inc = win->sh.height_inc;
1515 h_base = win->sh.base_height;
1516 }
1517 if (j == colno - 1) {
1518 win_g.h = hrh + extra;
1519 } else if (h_inc > 1 && h_inc < h_slice) {
1520 /* adjust for window's requested size increment */
1521 remain = (win_g.h - h_base) % h_inc;
1522 missing = h_inc - remain;
1523
1524 if (missing <= extra || j == 0) {
1525 extra -= missing;
1526 win_g.h += missing;
1527 } else {
1528 win_g.h -= remain;
1529 extra += remain;
1530 }
1531 }
1532
1533 if (j == 0)
1534 win_g.y = r_g.y;
1535 else
1536 win_g.y += last_h + 2;
1537
1538 bzero(&wc, sizeof wc);
1539 wc.border_width = 1;
1540 if (rot) {
1541 win->g.x = wc.x = win_g.y;
1542 win->g.y = wc.y = win_g.x;
1543 win->g.w = wc.width = win_g.h;
1544 win->g.h = wc.height = win_g.w;
1545 } else {
1546 win->g.x = wc.x = win_g.x;
1547 win->g.y = wc.y = win_g.y;
1548 win->g.w = wc.width = win_g.w;
1549 win->g.h = wc.height = win_g.h;
1550 }
1551 adjust_font(win);
1552 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1553 XConfigureWindow(display, win->id, mask, &wc);
1554 XMapRaised(display, win->id);
1555
1556 last_h = win_g.h;
1557 i++;
1558 j++;
1559 }
1560
1561 /* now, stack all the floaters and transients */
1562 TAILQ_FOREACH(win, &ws->winlist, entry) {
1563 if (win->transient == 0 && win->floating == 0)
1564 continue;
1565
1566 stack_floater(win, ws->r);
1567 XMapRaised(display, win->id);
1568 }
1569
1570 if (winfocus)
1571 focus_win(winfocus); /* has to be done outside of the loop */
1572 }
1573
1574 void
1575 vertical_config(struct workspace *ws, int id)
1576 {
1577 DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1578
1579 switch (id) {
1580 case SWM_ARG_ID_STACKRESET:
1581 case SWM_ARG_ID_STACKINIT:
1582 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1583 ws->l_state.vertical_mwin = 1;
1584 ws->l_state.vertical_stacks = 1;
1585 break;
1586 case SWM_ARG_ID_MASTERSHRINK:
1587 if (ws->l_state.vertical_msize > 1)
1588 ws->l_state.vertical_msize--;
1589 break;
1590 case SWM_ARG_ID_MASTERGROW:
1591 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1592 ws->l_state.vertical_msize++;
1593 break;
1594 case SWM_ARG_ID_MASTERADD:
1595 ws->l_state.vertical_mwin++;
1596 break;
1597 case SWM_ARG_ID_MASTERDEL:
1598 if (ws->l_state.vertical_mwin > 0)
1599 ws->l_state.vertical_mwin--;
1600 break;
1601 case SWM_ARG_ID_STACKINC:
1602 ws->l_state.vertical_stacks++;
1603 break;
1604 case SWM_ARG_ID_STACKDEC:
1605 if (ws->l_state.vertical_stacks > 1)
1606 ws->l_state.vertical_stacks--;
1607 break;
1608 default:
1609 return;
1610 }
1611 }
1612
1613 void
1614 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1615 {
1616 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1617
1618 stack_master(ws, g, 0, 0);
1619 }
1620
1621 void
1622 horizontal_config(struct workspace *ws, int id)
1623 {
1624 DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1625
1626 switch (id) {
1627 case SWM_ARG_ID_STACKRESET:
1628 case SWM_ARG_ID_STACKINIT:
1629 ws->l_state.horizontal_mwin = 1;
1630 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1631 ws->l_state.horizontal_stacks = 1;
1632 break;
1633 case SWM_ARG_ID_MASTERSHRINK:
1634 if (ws->l_state.horizontal_msize > 1)
1635 ws->l_state.horizontal_msize--;
1636 break;
1637 case SWM_ARG_ID_MASTERGROW:
1638 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1639 ws->l_state.horizontal_msize++;
1640 break;
1641 case SWM_ARG_ID_MASTERADD:
1642 ws->l_state.horizontal_mwin++;
1643 break;
1644 case SWM_ARG_ID_MASTERDEL:
1645 if (ws->l_state.horizontal_mwin > 0)
1646 ws->l_state.horizontal_mwin--;
1647 break;
1648 case SWM_ARG_ID_STACKINC:
1649 ws->l_state.horizontal_stacks++;
1650 break;
1651 case SWM_ARG_ID_STACKDEC:
1652 if (ws->l_state.horizontal_stacks > 1)
1653 ws->l_state.horizontal_stacks--;
1654 break;
1655 default:
1656 return;
1657 }
1658 }
1659
1660 void
1661 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
1662 {
1663 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1664
1665 stack_master(ws, g, 1, 0);
1666 }
1667
1668 /* fullscreen view */
1669 void
1670 max_stack(struct workspace *ws, struct swm_geometry *g) {
1671 XWindowChanges wc;
1672 struct swm_geometry gg = *g;
1673 struct ws_win *win, *winfocus;
1674 unsigned int mask;
1675
1676 DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1677
1678 if (count_win(ws, 0) == 0)
1679 return;
1680
1681 if (ws->focus == NULL)
1682 ws->focus = TAILQ_FIRST(&ws->winlist);
1683 winfocus = cur_focus ? cur_focus : ws->focus;
1684
1685 TAILQ_FOREACH(win, &ws->winlist, entry) {
1686 if (win->transient != 0 || win->floating != 0) {
1687 if (win == ws->focus) {
1688 /* XXX maximize? */
1689 stack_floater(win, ws->r);
1690 XMapRaised(display, win->id);
1691 } else
1692 XUnmapWindow(display, win->id);
1693 } else {
1694 bzero(&wc, sizeof wc);
1695 wc.border_width = 1;
1696 win->g.x = wc.x = gg.x;
1697 win->g.y = wc.y = gg.y;
1698 win->g.w = wc.width = gg.w;
1699 win->g.h = wc.height = gg.h;
1700 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1701 XConfigureWindow(display, win->id, mask, &wc);
1702
1703 if (win == ws->focus) {
1704 XMapRaised(display, win->id);
1705 } else
1706 XUnmapWindow(display, win->id);
1707 }
1708 }
1709
1710 if (winfocus)
1711 focus_win(winfocus); /* has to be done outside of the loop */
1712 }
1713
1714 void
1715 send_to_ws(struct swm_region *r, union arg *args)
1716 {
1717 int wsid = args->id;
1718 struct ws_win *win = cur_focus;
1719 struct workspace *ws, *nws;
1720 Atom ws_idx_atom = 0;
1721 unsigned char ws_idx_str[SWM_PROPLEN];
1722
1723 if (win == NULL)
1724 return;
1725
1726 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
1727
1728 ws = win->ws;
1729 nws = &win->s->ws[wsid];
1730
1731 XUnmapWindow(display, win->id);
1732
1733 /* find a window to focus */
1734 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1735 if (ws->focus == NULL)
1736 ws->focus = TAILQ_FIRST(&ws->winlist);
1737 if (ws->focus == win)
1738 ws->focus = NULL;
1739
1740 TAILQ_REMOVE(&ws->winlist, win, entry);
1741
1742 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
1743 win->ws = nws;
1744
1745 /* Try to update the window's workspace property */
1746 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
1747 if (ws_idx_atom &&
1748 snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
1749 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
1750 ws_idx_str);
1751 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
1752 PropModeReplace, ws_idx_str, SWM_PROPLEN);
1753 }
1754
1755 if (count_win(nws, 1) == 1)
1756 nws->focus = win;
1757 ws->restack = 1;
1758 nws->restack = 1;
1759
1760 stack();
1761 }
1762
1763 void
1764 wkill(struct swm_region *r, union arg *args)
1765 {
1766 DNPRINTF(SWM_D_MISC, "wkill\n");
1767 if(r->ws->focus != NULL)
1768 XKillClient(display, r->ws->focus->id);
1769 }
1770
1771 void
1772 screenshot(struct swm_region *r, union arg *args)
1773 {
1774 union arg a;
1775
1776 DNPRINTF(SWM_D_MISC, "screenshot\n");
1777
1778 if (ss_enabled == 0)
1779 return;
1780
1781 switch (args->id) {
1782 case SWM_ARG_ID_SS_ALL:
1783 spawn_screenshot[1] = "full";
1784 break;
1785 case SWM_ARG_ID_SS_WINDOW:
1786 spawn_screenshot[1] = "window";
1787 break;
1788 default:
1789 return;
1790 }
1791 a.argv = spawn_screenshot;
1792 spawn(r, &a);
1793 }
1794
1795 void
1796 floating_toggle(struct swm_region *r, union arg *args)
1797 {
1798 struct ws_win *win = cur_focus;
1799
1800 if (win == NULL)
1801 return;
1802
1803 win->floating = !win->floating;
1804 win->manual = 0;
1805 stack();
1806 focus_win(win);
1807 }
1808
1809 /* key definitions */
1810 struct key {
1811 unsigned int mod;
1812 KeySym keysym;
1813 void (*func)(struct swm_region *r, union arg *);
1814 union arg args;
1815 } keys[] = {
1816 /* modifier key function argument */
1817 { MODKEY, XK_space, cycle_layout, {0} },
1818 { MODKEY | ShiftMask, XK_space, stack_config, {.id = SWM_ARG_ID_STACKRESET} },
1819 { MODKEY, XK_h, stack_config, {.id = SWM_ARG_ID_MASTERSHRINK} },
1820 { MODKEY, XK_l, stack_config, {.id = SWM_ARG_ID_MASTERGROW} },
1821 { MODKEY, XK_comma, stack_config, {.id = SWM_ARG_ID_MASTERADD} },
1822 { MODKEY, XK_period, stack_config, {.id = SWM_ARG_ID_MASTERDEL} },
1823 { MODKEY | ShiftMask, XK_comma, stack_config, {.id = SWM_ARG_ID_STACKINC} },
1824 { MODKEY | ShiftMask, XK_period, stack_config, {.id = SWM_ARG_ID_STACKDEC} },
1825 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1826 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1827 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1828 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1829 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1830 { MODKEY | ShiftMask, XK_Return, spawnterm, {.argv = spawn_term} },
1831 { MODKEY, XK_p, spawnmenu, {.argv = spawn_menu} },
1832 { MODKEY | ShiftMask, XK_q, quit, {0} },
1833 { MODKEY, XK_q, restart, {0} },
1834 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1835 { MODKEY, XK_1, switchws, {.id = 0} },
1836 { MODKEY, XK_2, switchws, {.id = 1} },
1837 { MODKEY, XK_3, switchws, {.id = 2} },
1838 { MODKEY, XK_4, switchws, {.id = 3} },
1839 { MODKEY, XK_5, switchws, {.id = 4} },
1840 { MODKEY, XK_6, switchws, {.id = 5} },
1841 { MODKEY, XK_7, switchws, {.id = 6} },
1842 { MODKEY, XK_8, switchws, {.id = 7} },
1843 { MODKEY, XK_9, switchws, {.id = 8} },
1844 { MODKEY, XK_0, switchws, {.id = 9} },
1845 { MODKEY, XK_Right, cyclews, {.id = SWM_ARG_ID_CYCLEWS_UP} },
1846 { MODKEY, XK_Left, cyclews, {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
1847 { MODKEY | ShiftMask, XK_Right, cyclescr, {.id = SWM_ARG_ID_CYCLESC_UP} },
1848 { MODKEY | ShiftMask, XK_Left, cyclescr, {.id = SWM_ARG_ID_CYCLESC_DOWN} },
1849 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1850 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1851 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1852 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1853 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1854 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1855 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1856 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1857 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1858 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1859 { MODKEY, XK_b, bar_toggle, {0} },
1860 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1861 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1862 { MODKEY | ShiftMask, XK_x, wkill, {0} },
1863 { MODKEY, XK_s, screenshot, {.id = SWM_ARG_ID_SS_ALL} },
1864 { MODKEY | ShiftMask, XK_s, screenshot, {.id = SWM_ARG_ID_SS_WINDOW} },
1865 { MODKEY, XK_t, floating_toggle,{0} },
1866 { MODKEY | ShiftMask, XK_v, version, {0} },
1867 { MODKEY | ShiftMask, XK_Delete, spawn, {.argv = spawn_lock} },
1868 { MODKEY | ShiftMask, XK_i, spawn, {.argv = spawn_initscr} },
1869 };
1870
1871 void
1872 resize_window(struct ws_win *win, int center)
1873 {
1874 unsigned int mask;
1875 XWindowChanges wc;
1876 struct swm_region *r;
1877
1878 r = root_to_region(win->wa.root);
1879 bzero(&wc, sizeof wc);
1880 mask = CWBorderWidth | CWWidth | CWHeight;
1881 wc.border_width = 1;
1882 wc.width = win->g.w;
1883 wc.height = win->g.h;
1884 if (center == SWM_ARG_ID_CENTER) {
1885 wc.x = (WIDTH(r) - win->g.w) / 2;
1886 wc.y = (HEIGHT(r) - win->g.h) / 2;
1887 mask |= CWX | CWY;
1888 }
1889
1890 DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
1891 win->id, wc.x, wc.y, wc.width, wc.height);
1892
1893 XConfigureWindow(display, win->id, mask, &wc);
1894 config_win(win);
1895 }
1896
1897 void
1898 resize(struct ws_win *win, union arg *args)
1899 {
1900 XEvent ev;
1901 Time time = 0;
1902
1903 DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
1904 win->id, win->floating, win->transient);
1905
1906 if (!(win->transient != 0 || win->floating != 0))
1907 return;
1908
1909 if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
1910 GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
1911 return;
1912 XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
1913 do {
1914 XMaskEvent(display, MOUSEMASK | ExposureMask |
1915 SubstructureRedirectMask, &ev);
1916 switch(ev.type) {
1917 case ConfigureRequest:
1918 case Expose:
1919 case MapRequest:
1920 handler[ev.type](&ev);
1921 break;
1922 case MotionNotify:
1923 if (ev.xmotion.x < 0)
1924 ev.xmotion.x = 0;
1925 if (ev.xmotion.y < 0)
1926 ev.xmotion.y = 0;
1927 win->g.w = ev.xmotion.x;
1928 win->g.h = ev.xmotion.y;
1929
1930 /* not free, don't sync more than 60 times / second */
1931 if ((ev.xmotion.time - time) > (1000 / 60) ) {
1932 time = ev.xmotion.time;
1933 XSync(display, False);
1934 resize_window(win, args->id);
1935 }
1936 break;
1937 }
1938 } while (ev.type != ButtonRelease);
1939 if (time) {
1940 XSync(display, False);
1941 resize_window(win, args->id);
1942 }
1943 XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
1944 win->g.h - 1);
1945 XUngrabPointer(display, CurrentTime);
1946
1947 /* drain events */
1948 while (XCheckMaskEvent(display, EnterWindowMask, &ev));
1949 }
1950
1951 void
1952 move_window(struct ws_win *win)
1953 {
1954 unsigned int mask;
1955 XWindowChanges wc;
1956 struct swm_region *r;
1957
1958 r = root_to_region(win->wa.root);
1959 bzero(&wc, sizeof wc);
1960 mask = CWX | CWY;
1961 wc.x = win->g.x;
1962 wc.y = win->g.y;
1963
1964 DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
1965 win->id, wc.x, wc.y, wc.width, wc.height);
1966
1967 XConfigureWindow(display, win->id, mask, &wc);
1968 config_win(win);
1969 }
1970
1971 void
1972 move(struct ws_win *win, union arg *args)
1973 {
1974 XEvent ev;
1975 Time time = 0;
1976 int restack = 0;
1977
1978 DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
1979 win->id, win->floating, win->transient);
1980
1981 if (win->floating == 0) {
1982 win->floating = 1;
1983 win->manual = 1;
1984 restack = 1;
1985 }
1986
1987 if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
1988 GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
1989 return;
1990 XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
1991 do {
1992 XMaskEvent(display, MOUSEMASK | ExposureMask |
1993 SubstructureRedirectMask, &ev);
1994 switch(ev.type) {
1995 case ConfigureRequest:
1996 case Expose:
1997 case MapRequest:
1998 handler[ev.type](&ev);
1999 break;
2000 case MotionNotify:
2001 win->g.x = ev.xmotion.x_root;
2002 win->g.y = ev.xmotion.y_root;
2003
2004 /* not free, don't sync more than 60 times / second */
2005 if ((ev.xmotion.time - time) > (1000 / 60) ) {
2006 time = ev.xmotion.time;
2007 XSync(display, False);
2008 move_window(win);
2009 }
2010 break;
2011 }
2012 } while (ev.type != ButtonRelease);
2013 if (time) {
2014 XSync(display, False);
2015 move_window(win);
2016 }
2017 XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2018 XUngrabPointer(display, CurrentTime);
2019 if (restack)
2020 stack();
2021
2022 /* drain events */
2023 while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2024 }
2025
2026 /* mouse */
2027 enum { client_click, root_click };
2028 struct button {
2029 unsigned int action;
2030 unsigned int mask;
2031 unsigned int button;
2032 void (*func)(struct ws_win *, union arg *);
2033 union arg args;
2034 } buttons[] = {
2035 /* action key mouse button func args */
2036 { client_click, MODKEY, Button3, resize, {.id = SWM_ARG_ID_DONTCENTER} },
2037 { client_click, MODKEY | ShiftMask, Button3, resize, {.id = SWM_ARG_ID_CENTER} },
2038 { client_click, MODKEY, Button1, move, {0} },
2039 };
2040
2041 void
2042 updatenumlockmask(void)
2043 {
2044 unsigned int i, j;
2045 XModifierKeymap *modmap;
2046
2047 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2048 numlockmask = 0;
2049 modmap = XGetModifierMapping(display);
2050 for (i = 0; i < 8; i++)
2051 for (j = 0; j < modmap->max_keypermod; j++)
2052 if (modmap->modifiermap[i * modmap->max_keypermod + j]
2053 == XKeysymToKeycode(display, XK_Num_Lock))
2054 numlockmask = (1 << i);
2055
2056 XFreeModifiermap(modmap);
2057 }
2058
2059 void
2060 grabkeys(void)
2061 {
2062 unsigned int i, j, k;
2063 KeyCode code;
2064 unsigned int modifiers[] =
2065 { 0, LockMask, numlockmask, numlockmask | LockMask };
2066
2067 DNPRINTF(SWM_D_MISC, "grabkeys\n");
2068 updatenumlockmask();
2069
2070 for (k = 0; k < ScreenCount(display); k++) {
2071 if (TAILQ_EMPTY(&screens[k].rl))
2072 continue;
2073 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2074 for (i = 0; i < LENGTH(keys); i++) {
2075 if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2076 for (j = 0; j < LENGTH(modifiers); j++)
2077 XGrabKey(display, code,
2078 keys[i].mod | modifiers[j],
2079 screens[k].root, True,
2080 GrabModeAsync, GrabModeAsync);
2081 }
2082 }
2083 }
2084
2085 void
2086 grabbuttons(struct ws_win *win, int focused)
2087 {
2088 unsigned int i, j;
2089 unsigned int modifiers[] =
2090 { 0, LockMask, numlockmask, numlockmask|LockMask };
2091
2092 updatenumlockmask();
2093 XUngrabButton(display, AnyButton, AnyModifier, win->id);
2094 if(focused) {
2095 for (i = 0; i < LENGTH(buttons); i++)
2096 if (buttons[i].action == client_click)
2097 for (j = 0; j < LENGTH(modifiers); j++)
2098 XGrabButton(display, buttons[i].button,
2099 buttons[i].mask | modifiers[j],
2100 win->id, False, BUTTONMASK,
2101 GrabModeAsync, GrabModeSync, None,
2102 None);
2103 } else
2104 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2105 BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2106 }
2107
2108 void
2109 expose(XEvent *e)
2110 {
2111 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
2112 }
2113
2114 void
2115 keypress(XEvent *e)
2116 {
2117 unsigned int i;
2118 KeySym keysym;
2119 XKeyEvent *ev = &e->xkey;
2120
2121 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
2122
2123 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
2124 for (i = 0; i < LENGTH(keys); i++)
2125 if (keysym == keys[i].keysym
2126 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
2127 && keys[i].func)
2128 keys[i].func(root_to_region(ev->root),
2129 &(keys[i].args));
2130 }
2131
2132 void
2133 buttonpress(XEvent *e)
2134 {
2135 XButtonPressedEvent *ev = &e->xbutton;
2136
2137 struct ws_win *win;
2138 int i, action;
2139
2140 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
2141
2142 action = root_click;
2143 if ((win = find_window(ev->window)) == NULL)
2144 return;
2145 else {
2146 focus_win(win);
2147 action = client_click;
2148 }
2149
2150 for (i = 0; i < LENGTH(buttons); i++)
2151 if (action == buttons[i].action && buttons[i].func &&
2152 buttons[i].button == ev->button &&
2153 CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
2154 buttons[i].func(win, &buttons[i].args);
2155 }
2156
2157 void
2158 set_win_state(struct ws_win *win, long state)
2159 {
2160 long data[] = {state, None};
2161
2162 DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
2163
2164 XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
2165 (unsigned char *)data, 2);
2166 }
2167
2168 struct ws_win *
2169 manage_window(Window id)
2170 {
2171 Window trans;
2172 struct workspace *ws;
2173 struct ws_win *win;
2174 int format, i, ws_idx;
2175 unsigned long nitems, bytes;
2176 Atom ws_idx_atom = 0, type;
2177 unsigned char ws_idx_str[SWM_PROPLEN], *prop = NULL;
2178 struct swm_region *r;
2179 long mask;
2180 const char *errstr;
2181 XWindowChanges wc;
2182
2183 if ((win = find_window(id)) != NULL)
2184 return (win); /* already being managed */
2185
2186 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
2187 errx(1, "calloc: failed to allocate memory for new window");
2188
2189 /* Get all the window data in one shot */
2190 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2191 if (ws_idx_atom)
2192 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
2193 False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
2194 XGetWindowAttributes(display, id, &win->wa);
2195 XGetTransientForHint(display, id, &trans);
2196 XGetWMNormalHints(display, id, &win->sh, &mask); /* XXX function? */
2197 if (trans) {
2198 win->transient = trans;
2199 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
2200 (unsigned)win->id, win->transient);
2201 }
2202
2203 /*
2204 * Figure out where to put the window. If it was previously assigned to
2205 * a workspace (either by spawn() or manually moving), and isn't
2206 * transient, * put it in the same workspace
2207 */
2208 r = root_to_region(win->wa.root);
2209 if (prop && win->transient == 0) {
2210 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
2211 ws_idx = strtonum(prop, 0, 9, &errstr);
2212 if (errstr) {
2213 DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
2214 errstr, prop);
2215 }
2216 ws = &r->s->ws[ws_idx];
2217 } else
2218 ws = r->ws;
2219
2220 /* set up the window layout */
2221 win->id = id;
2222 win->ws = ws;
2223 win->s = r->s; /* this never changes */
2224 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
2225
2226 win->g.w = win->wa.width;
2227 win->g.h = win->wa.height;
2228 win->g.x = win->wa.x;
2229 win->g.y = win->wa.y;
2230
2231 /* Set window properties so we can remember this after reincarnation */
2232 if (ws_idx_atom && prop == NULL &&
2233 snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
2234 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2235 ws_idx_str);
2236 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2237 PropModeReplace, ws_idx_str, SWM_PROPLEN);
2238 }
2239 XFree(prop);
2240
2241 if (XGetClassHint(display, win->id, &win->ch)) {
2242 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
2243 win->ch.res_class, win->ch.res_name);
2244 for (i = 0; quirks[i].class != NULL && quirks[i].name != NULL &&
2245 quirks[i].quirk != 0; i++){
2246 if (!strcmp(win->ch.res_class, quirks[i].class) &&
2247 !strcmp(win->ch.res_name, quirks[i].name)) {
2248 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
2249 win->ch.res_class, win->ch.res_name);
2250 if (quirks[i].quirk & SWM_Q_FLOAT)
2251 win->floating = 1;
2252 win->quirks = quirks[i].quirk;
2253 }
2254 }
2255 }
2256
2257 /* alter window position if quirky */
2258 if (win->quirks & SWM_Q_ANYWHERE) {
2259 win->manual = 1; /* don't center the quirky windows */
2260 bzero(&wc, sizeof wc);
2261 mask = 0;
2262 if (win->g.y < bar_height) {
2263 win->g.y = wc.y = bar_height;
2264 mask |= CWY;
2265 }
2266 if (win->g.w + win->g.x > WIDTH(r)) {
2267 win->g.x = wc.x = WIDTH(win->ws->r) - win->g.w - 2;
2268 mask |= CWX;
2269 }
2270 wc.border_width = 1;
2271 mask |= CWBorderWidth;
2272 XConfigureWindow(display, win->id, mask, &wc);
2273 }
2274
2275 XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
2276 PropertyChangeMask | StructureNotifyMask);
2277
2278 set_win_state(win, NormalState);
2279
2280 /* floaters need to be mapped if they are in the current workspace */
2281 if (win->floating && (ws->idx == r->ws->idx))
2282 XMapRaised(display, win->id);
2283
2284 /* make new win focused */
2285 focus_win(win);
2286
2287 return (win);
2288 }
2289
2290 void
2291 unmanage_window(struct ws_win *win)
2292 {
2293 struct workspace *ws;
2294
2295 if (win == NULL)
2296 return;
2297
2298 DNPRINTF(SWM_D_MISC, "unmanage_window: %lu\n", win->id);
2299
2300 /* don't unmanage if we are switching workspaces */
2301 ws = win->ws;
2302 if (ws->restack)
2303 return;
2304
2305 /* find a window to focus */
2306 if (ws->focus == win)
2307 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
2308 if (ws->focus == NULL)
2309 ws->focus = TAILQ_FIRST(&ws->winlist);
2310 if (ws->focus == NULL || ws->focus == win) {
2311 ws->focus = NULL;
2312 unfocus_all();
2313 } else
2314 focus_win(ws->focus);
2315 if (ws->focus_prev == win)
2316 ws->focus_prev = NULL;
2317
2318 TAILQ_REMOVE(&win->ws->winlist, win, entry);
2319 set_win_state(win, WithdrawnState);
2320 if (win->ch.res_class)
2321 XFree(win->ch.res_class);
2322 if (win->ch.res_name)
2323 XFree(win->ch.res_name);
2324 free(win);
2325 }
2326
2327 void
2328 configurerequest(XEvent *e)
2329 {
2330 XConfigureRequestEvent *ev = &e->xconfigurerequest;
2331 struct ws_win *win;
2332 int new = 0;
2333 XWindowChanges wc;
2334
2335 if ((win = find_window(ev->window)) == NULL)
2336 new = 1;
2337
2338 if (new) {
2339 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
2340 ev->window);
2341 bzero(&wc, sizeof wc);
2342 wc.x = ev->x;
2343 wc.y = ev->y;
2344 wc.width = ev->width;
2345 wc.height = ev->height;
2346 wc.border_width = ev->border_width;
2347 wc.sibling = ev->above;
2348 wc.stack_mode = ev->detail;
2349 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
2350 } else {
2351 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
2352 ev->window);
2353 if (win->floating) {
2354 if (ev->value_mask & CWX)
2355 win->g.x = ev->x;
2356 if (ev->value_mask & CWY)
2357 win->g.y = ev->y;
2358 if (ev->value_mask & CWWidth)
2359 win->g.w = ev->width;
2360 if (ev->value_mask & CWHeight)
2361 win->g.h = ev->height;
2362 if (win->ws->r != NULL) {
2363 /* this seems to be full screen */
2364 if (win->g.w >= WIDTH(win->ws->r)) {
2365 win->g.x = -1;
2366 win->g.w = WIDTH(win->ws->r);
2367 ev->value_mask |= CWX | CWWidth;
2368 }
2369 if (win->g.h >= HEIGHT(win->ws->r)) {
2370 /* kill border */
2371 win->g.y = -1;
2372 win->g.h = HEIGHT(win->ws->r);
2373 ev->value_mask |= CWY | CWHeight;
2374 }
2375 }
2376 if ((ev->value_mask & (CWX | CWY)) &&
2377 !(ev->value_mask & (CWWidth | CWHeight)))
2378 config_win(win);
2379 XMoveResizeWindow(display, win->id,
2380 win->g.x, win->g.y, win->g.w, win->g.h);
2381 } else
2382 config_win(win);
2383 }
2384 }
2385
2386 void
2387 configurenotify(XEvent *e)
2388 {
2389 struct ws_win *win;
2390 long mask;
2391
2392 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
2393 e->xconfigure.window);
2394
2395 win = find_window(e->xconfigure.window);
2396 XMapWindow(display, win->id);
2397 XGetWMNormalHints(display, win->id, &win->sh, &mask);
2398 adjust_font(win);
2399 XMapWindow(display, win->id);
2400 if (font_adjusted)
2401 stack();
2402 }
2403
2404 void
2405 destroynotify(XEvent *e)
2406 {
2407 struct ws_win *win;
2408 XDestroyWindowEvent *ev = &e->xdestroywindow;
2409
2410 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
2411
2412 if ((win = find_window(ev->window)) != NULL) {
2413 unmanage_window(win);
2414 stack();
2415 }
2416 }
2417
2418 void
2419 enternotify(XEvent *e)
2420 {
2421 XCrossingEvent *ev = &e->xcrossing;
2422 struct ws_win *win;
2423
2424 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
2425
2426 if (ignore_enter) {
2427 /* eat event(r) to prevent autofocus */
2428 ignore_enter--;
2429 return;
2430 }
2431
2432 if ((win = find_window(ev->window)) != NULL)
2433 focus_win(win);
2434 }
2435
2436 void
2437 focusin(XEvent *e)
2438 {
2439 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
2440 }
2441
2442 void
2443 mappingnotify(XEvent *e)
2444 {
2445 XMappingEvent *ev = &e->xmapping;
2446
2447 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
2448
2449 XRefreshKeyboardMapping(ev);
2450 if (ev->request == MappingKeyboard)
2451 grabkeys();
2452 }
2453
2454 void
2455 maprequest(XEvent *e)
2456 {
2457 XMapRequestEvent *ev = &e->xmaprequest;
2458 XWindowAttributes wa;
2459
2460 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
2461 e->xmaprequest.window);
2462
2463 if (!XGetWindowAttributes(display, ev->window, &wa))
2464 return;
2465 if (wa.override_redirect)
2466 return;
2467 manage_window(e->xmaprequest.window);
2468
2469 stack();
2470 }
2471
2472 void
2473 propertynotify(XEvent *e)
2474 {
2475 struct ws_win *win;
2476 XPropertyEvent *ev = &e->xproperty;
2477
2478 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
2479 ev->window);
2480
2481 if (ev->state == PropertyDelete)
2482 return; /* ignore */
2483 win = find_window(ev->window);
2484 if (win == NULL)
2485 return;
2486
2487 switch (ev->atom) {
2488 case XA_WM_NORMAL_HINTS:
2489 #if 0
2490 long mask;
2491 XGetWMNormalHints(display, win->id, &win->sh, &mask);
2492 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
2493 if (win->sh.flags & PMinSize) {
2494 win->g.w = win->sh.min_width;
2495 win->g.h = win->sh.min_height;
2496 fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
2497 }
2498 XMoveResizeWindow(display, win->id,
2499 win->g.x, win->g.y, win->g.w, win->g.h);
2500 #endif
2501 break;
2502 default:
2503 break;
2504 }
2505 }
2506
2507 void
2508 unmapnotify(XEvent *e)
2509 {
2510 XDestroyWindowEvent *ev = &e->xdestroywindow;
2511 struct ws_win *win;
2512
2513 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
2514
2515 if ((win = find_window(ev->window)) != NULL)
2516 if (win->transient)
2517 unmanage_window(win);
2518 }
2519
2520 void
2521 visibilitynotify(XEvent *e)
2522 {
2523 int i;
2524 struct swm_region *r;
2525
2526 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
2527 e->xvisibility.window);
2528 if (e->xvisibility.state == VisibilityUnobscured)
2529 for (i = 0; i < ScreenCount(display); i++)
2530 TAILQ_FOREACH(r, &screens[i].rl, entry)
2531 if (e->xvisibility.window == r->bar_window)
2532 bar_update();
2533 }
2534
2535 int
2536 xerror_start(Display *d, XErrorEvent *ee)
2537 {
2538 other_wm = 1;
2539 return (-1);
2540 }
2541
2542 int
2543 xerror(Display *d, XErrorEvent *ee)
2544 {
2545 /* fprintf(stderr, "error: %p %p\n", display, ee); */
2546 return (-1);
2547 }
2548
2549 int
2550 active_wm(void)
2551 {
2552 other_wm = 0;
2553 xerrorxlib = XSetErrorHandler(xerror_start);
2554
2555 /* this causes an error if some other window manager is running */
2556 XSelectInput(display, DefaultRootWindow(display),
2557 SubstructureRedirectMask);
2558 XSync(display, False);
2559 if (other_wm)
2560 return (1);
2561
2562 XSetErrorHandler(xerror);
2563 XSync(display, False);
2564 return (0);
2565 }
2566
2567 long
2568 getstate(Window w)
2569 {
2570 int format, status;
2571 long result = -1;
2572 unsigned char *p = NULL;
2573 unsigned long n, extra;
2574 Atom real;
2575
2576 astate = XInternAtom(display, "WM_STATE", False);
2577 status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
2578 &real, &format, &n, &extra, (unsigned char **)&p);
2579 if (status != Success)
2580 return (-1);
2581 if (n != 0)
2582 result = *p;
2583 XFree(p);
2584 return (result);
2585 }
2586
2587 void
2588 new_region(struct swm_screen *s, int x, int y, int w, int h)
2589 {
2590 struct swm_region *r, *n;
2591 struct workspace *ws = NULL;
2592 int i;
2593
2594 DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
2595 s->idx, w, h, x, y);
2596
2597 /* remove any conflicting regions */
2598 n = TAILQ_FIRST(&s->rl);
2599 while (n) {
2600 r = n;
2601 n = TAILQ_NEXT(r, entry);
2602 if (X(r) < (x + w) &&
2603 (X(r) + WIDTH(r)) > x &&
2604 Y(r) < (y + h) &&
2605 (Y(r) + HEIGHT(r)) > y) {
2606 XDestroyWindow(display, r->bar_window);
2607 TAILQ_REMOVE(&s->rl, r, entry);
2608 TAILQ_INSERT_TAIL(&s->orl, r, entry);
2609 }
2610 }
2611
2612 /* search old regions for one to reuse */
2613
2614 /* size + location match */
2615 TAILQ_FOREACH(r, &s->orl, entry)
2616 if (X(r) == x && Y(r) == y &&
2617 HEIGHT(r) == h && WIDTH(r) == w)
2618 break;
2619
2620 /* size match */
2621 TAILQ_FOREACH(r, &s->orl, entry)
2622 if (HEIGHT(r) == h && WIDTH(r) == w)
2623 break;
2624
2625 if (r != NULL) {
2626 TAILQ_REMOVE(&s->orl, r, entry);
2627 /* try to use old region's workspace */
2628 if (r->ws->r == NULL)
2629 ws = r->ws;
2630 } else
2631 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
2632 errx(1, "calloc: failed to allocate memory for screen");
2633
2634 /* if we don't have a workspace already, find one */
2635 if (ws == NULL) {
2636 for (i = 0; i < SWM_WS_MAX; i++)
2637 if (s->ws[i].r == NULL) {
2638 ws = &s->ws[i];
2639 break;
2640 }
2641 }
2642
2643 if (ws == NULL)
2644 errx(1, "no free workspaces\n");
2645
2646 X(r) = x;
2647 Y(r) = y;
2648 WIDTH(r) = w;
2649 HEIGHT(r) = h;
2650 r->s = s;
2651 r->ws = ws;
2652 ws->r = r;
2653 TAILQ_INSERT_TAIL(&s->rl, r, entry);
2654 bar_setup(r);
2655 }
2656
2657 void
2658 scan_xrandr(int i)
2659 {
2660 #ifdef SWM_XRR_HAS_CRTC
2661 XRRCrtcInfo *ci;
2662 XRRScreenResources *sr;
2663 int c;
2664 int ncrtc = 0;
2665 #endif /* SWM_XRR_HAS_CRTC */
2666 struct swm_region *r;
2667
2668
2669 if (i >= ScreenCount(display))
2670 errx(1, "invalid screen");
2671
2672 /* remove any old regions */
2673 while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
2674 r->ws->r = NULL;
2675 XDestroyWindow(display, r->bar_window);
2676 TAILQ_REMOVE(&screens[i].rl, r, entry);
2677 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
2678 }
2679
2680 /* map virtual screens onto physical screens */
2681 #ifdef SWM_XRR_HAS_CRTC
2682 if (xrandr_support) {
2683 sr = XRRGetScreenResources(display, screens[i].root);
2684 if (sr == NULL)
2685 new_region(&screens[i], 0, 0,
2686 DisplayWidth(display, i),
2687 DisplayHeight(display, i));
2688 else
2689 ncrtc = sr->ncrtc;
2690
2691 for (c = 0, ci = NULL; c < ncrtc; c++) {
2692 ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
2693 if (ci->noutput == 0)
2694 continue;
2695
2696 if (ci != NULL && ci->mode == None)
2697 new_region(&screens[i], 0, 0,
2698 DisplayWidth(display, i),
2699 DisplayHeight(display, i));
2700 else
2701 new_region(&screens[i],
2702 ci->x, ci->y, ci->width, ci->height);
2703 }
2704 if (ci)
2705 XRRFreeCrtcInfo(ci);
2706 XRRFreeScreenResources(sr);
2707 } else
2708 #endif /* SWM_XRR_HAS_CRTC */
2709 {
2710 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
2711 DisplayHeight(display, i));
2712 }
2713 }
2714
2715 void
2716 screenchange(XEvent *e) {
2717 XRRScreenChangeNotifyEvent *xe = (XRRScreenChangeNotifyEvent *)e;
2718 struct swm_region *r;
2719 struct ws_win *win;
2720 int i;
2721
2722 DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
2723
2724 if (!XRRUpdateConfiguration(e))
2725 return;
2726
2727 /* silly event doesn't include the screen index */
2728 for (i = 0; i < ScreenCount(display); i++)
2729 if (screens[i].root == xe->root)
2730 break;
2731 if (i >= ScreenCount(display))
2732 errx(1, "screenchange: screen not found\n");
2733
2734 /* brute force for now, just re-enumerate the regions */
2735 scan_xrandr(i);
2736
2737 /* hide any windows that went away */
2738 TAILQ_FOREACH(r, &screens[i].rl, entry)
2739 TAILQ_FOREACH(win, &r->ws->winlist, entry)
2740 XUnmapWindow(display, win->id);
2741 stack();
2742 }
2743
2744 void
2745 setup_screens(void)
2746 {
2747 Window d1, d2, *wins = NULL;
2748 XWindowAttributes wa;
2749 unsigned int no;
2750 int i, j, k;
2751 int errorbase, major, minor;
2752 struct workspace *ws;
2753 int ws_idx_atom;
2754
2755
2756 if ((screens = calloc(ScreenCount(display),
2757 sizeof(struct swm_screen))) == NULL)
2758 errx(1, "calloc: screens");
2759
2760 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2761
2762 /* initial Xrandr setup */
2763 xrandr_support = XRRQueryExtension(display,
2764 &xrandr_eventbase, &errorbase);
2765 if (xrandr_support)
2766 if (XRRQueryVersion(display, &major, &minor) && major < 1)
2767 xrandr_support = 0;
2768
2769 /* map physical screens */
2770 for (i = 0; i < ScreenCount(display); i++) {
2771 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
2772 screens[i].idx = i;
2773 TAILQ_INIT(&screens[i].rl);
2774 TAILQ_INIT(&screens[i].orl);
2775 screens[i].root = RootWindow(display, i);
2776
2777 /* set default colors */
2778 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
2779 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
2780 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
2781 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
2782 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
2783
2784 /* init all workspaces */
2785 /* XXX these should be dynamically allocated too */
2786 for (j = 0; j < SWM_WS_MAX; j++) {
2787 ws = &screens[i].ws[j];
2788 ws->idx = j;
2789 ws->restack = 1;
2790 ws->focus = NULL;
2791 ws->r = NULL;
2792 TAILQ_INIT(&ws->winlist);
2793
2794 for (k = 0; layouts[k].l_stack != NULL; k++)
2795 if (layouts[k].l_config != NULL)
2796 layouts[k].l_config(ws,
2797 SWM_ARG_ID_STACKINIT);
2798 ws->cur_layout = &layouts[0];
2799 }
2800 /* grab existing windows (before we build the bars)*/
2801 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
2802 continue;
2803
2804 scan_xrandr(i);
2805
2806 if (xrandr_support)
2807 XRRSelectInput(display, screens[i].root,
2808 RRScreenChangeNotifyMask);
2809
2810 /* attach windows to a region */
2811 /* normal windows */
2812 for (j = 0; j < no; j++) {
2813 XGetWindowAttributes(display, wins[j], &wa);
2814 if (!XGetWindowAttributes(display, wins[j], &wa) ||
2815 wa.override_redirect ||
2816 XGetTransientForHint(display, wins[j], &d1))
2817 continue;
2818
2819 if (wa.map_state == IsViewable ||
2820 getstate(wins[j]) == NormalState)
2821 manage_window(wins[j]);
2822 }
2823 /* transient windows */
2824 for (j = 0; j < no; j++) {
2825 if (!XGetWindowAttributes(display, wins[j], &wa))
2826 continue;
2827
2828 if (XGetTransientForHint(display, wins[j], &d1) &&
2829 (wa.map_state == IsViewable || getstate(wins[j]) ==
2830 NormalState))
2831 manage_window(wins[j]);
2832 }
2833 if (wins) {
2834 XFree(wins);
2835 wins = NULL;
2836 }
2837 }
2838 }
2839
2840 int
2841 main(int argc, char *argv[])
2842 {
2843 struct passwd *pwd;
2844 char conf[PATH_MAX], *cfile = NULL;
2845 struct stat sb;
2846 XEvent e;
2847 int xfd;
2848 fd_set rd;
2849
2850 start_argv = argv;
2851 fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
2852 SWM_VERSION, cvstag);
2853 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2854 warnx("no locale support");
2855
2856 if (!(display = XOpenDisplay(0)))
2857 errx(1, "can not open display");
2858
2859 if (active_wm())
2860 errx(1, "other wm running");
2861
2862 astate = XInternAtom(display, "WM_STATE", False);
2863
2864 /* look for local and global conf file */
2865 pwd = getpwuid(getuid());
2866 if (pwd == NULL)
2867 errx(1, "invalid user %d", getuid());
2868
2869 setup_screens();
2870
2871 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
2872 if (stat(conf, &sb) != -1) {
2873 if (S_ISREG(sb.st_mode))
2874 cfile = conf;
2875 } else {
2876 /* try global conf file */
2877 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
2878 if (!stat(conf, &sb))
2879 if (S_ISREG(sb.st_mode))
2880 cfile = conf;
2881 }
2882 if (cfile)
2883 conf_load(cfile);
2884 bar_refresh();
2885
2886 /* ws[0].focus = TAILQ_FIRST(&ws[0].winlist); */
2887
2888 grabkeys();
2889 stack();
2890
2891 xfd = ConnectionNumber(display);
2892 while (running) {
2893 FD_ZERO(&rd);
2894 FD_SET(xfd, &rd);
2895 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
2896 if (errno != EINTR)
2897 errx(1, "select failed");
2898 if (bar_alarm) {
2899 bar_alarm = 0;
2900 bar_update();
2901 }
2902 while (XPending(display)) {
2903 XNextEvent(display, &e);
2904 if (e.type < LASTEvent) {
2905 if (handler[e.type])
2906 handler[e.type](&e);
2907 else
2908 DNPRINTF(SWM_D_EVENT,
2909 "win: %lu unknown event: %d\n",
2910 e.xany.window, e.type);
2911 } else {
2912 switch (e.type - xrandr_eventbase) {
2913 case RRScreenChangeNotify:
2914 screenchange(&e);
2915 break;
2916 default:
2917 DNPRINTF(SWM_D_EVENT,
2918 "win: %lu unknown xrandr event: "
2919 "%d\n", e.xany.window, e.type);
2920 break;
2921 }
2922 }
2923 }
2924 }
2925
2926 XCloseDisplay(display);
2927
2928 return (0);
2929 }
spectrwm is a small dynamic tiling and reparenting window manager for X11