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[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 "0.9"
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 Atom aprot;
144 Atom adelete;
145 int (*xerrorxlib)(Display *, XErrorEvent *);
146 int other_wm;
147 int running = 1;
148 int ss_enabled = 0;
149 int xrandr_support;
150 int xrandr_eventbase;
151 int ignore_enter = 0;
152 unsigned int numlockmask = 0;
153 Display *display;
154
155 int cycle_empty = 0;
156 int cycle_visible = 0;
157 int term_width = 0;
158 int font_adjusted = 0;
159
160 /* dialog windows */
161 double dialog_ratio = .6;
162 /* status bar */
163 #define SWM_BAR_MAX (128)
164 char *bar_argv[] = { NULL, NULL };
165 int bar_pipe[2];
166 char bar_ext[SWM_BAR_MAX];
167 char bar_vertext[SWM_BAR_MAX];
168 int bar_version = 0;
169 sig_atomic_t bar_alarm = 0;
170 int bar_delay = 30;
171 int bar_enabled = 1;
172 int bar_extra = 1;
173 int bar_extra_running = 0;
174 int bar_verbose = 1;
175 int bar_height = 0;
176 pid_t bar_pid;
177 GC bar_gc;
178 XGCValues bar_gcv;
179 int bar_fidx = 0;
180 XFontStruct *bar_fs;
181 char *bar_fonts[] = {
182 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
183 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
184 NULL
185 };
186
187 /* terminal + args */
188 char *spawn_term[] = { "xterm", NULL };
189 char *spawn_screenshot[] = { "screenshot.sh", NULL, NULL };
190 char *spawn_lock[] = { "xlock", NULL };
191 char *spawn_initscr[] = { "initscreen.sh", NULL };
192 char *spawn_menu[] = { "dmenu_run", "-fn", NULL, "-nb", NULL,
193 "-nf", NULL, "-sb", NULL, "-sf", NULL, NULL };
194
195 #define SWM_MENU_FN (2)
196 #define SWM_MENU_NB (4)
197 #define SWM_MENU_NF (6)
198 #define SWM_MENU_SB (8)
199 #define SWM_MENU_SF (10)
200
201 /* layout manager data */
202 struct swm_geometry {
203 int x;
204 int y;
205 int w;
206 int h;
207 };
208
209 struct swm_screen;
210 struct workspace;
211
212 /* virtual "screens" */
213 struct swm_region {
214 TAILQ_ENTRY(swm_region) entry;
215 struct swm_geometry g;
216 struct workspace *ws; /* current workspace on this region */
217 struct swm_screen *s; /* screen idx */
218 Window bar_window;
219 };
220 TAILQ_HEAD(swm_region_list, swm_region);
221
222 struct ws_win {
223 TAILQ_ENTRY(ws_win) entry;
224 Window id;
225 struct swm_geometry g;
226 int got_focus;
227 int floating;
228 int transient;
229 int manual;
230 int font_size_boundary[SWM_MAX_FONT_STEPS];
231 int font_steps;
232 int last_inc;
233 int can_delete;
234 unsigned long quirks;
235 struct workspace *ws; /* always valid */
236 struct swm_screen *s; /* always valid, never changes */
237 XWindowAttributes wa;
238 XSizeHints sh;
239 XClassHint ch;
240 };
241 TAILQ_HEAD(ws_win_list, ws_win);
242
243 /* layout handlers */
244 void stack(void);
245 void vertical_config(struct workspace *, int);
246 void vertical_stack(struct workspace *, struct swm_geometry *);
247 void horizontal_config(struct workspace *, int);
248 void horizontal_stack(struct workspace *, struct swm_geometry *);
249 void max_stack(struct workspace *, struct swm_geometry *);
250
251 void grabbuttons(struct ws_win *, int);
252
253 struct layout {
254 void (*l_stack)(struct workspace *, struct swm_geometry *);
255 void (*l_config)(struct workspace *, int);
256 } layouts[] = {
257 /* stack, configure */
258 { vertical_stack, vertical_config},
259 { horizontal_stack, horizontal_config},
260 { max_stack, NULL},
261 { NULL, NULL},
262 };
263
264 #define SWM_H_SLICE (32)
265 #define SWM_V_SLICE (32)
266
267 /* define work spaces */
268 struct workspace {
269 int idx; /* workspace index */
270 int restack; /* restack on switch */
271 struct layout *cur_layout; /* current layout handlers */
272 struct ws_win *focus; /* may be NULL */
273 struct ws_win *focus_prev; /* may be NULL */
274 struct swm_region *r; /* may be NULL */
275 struct ws_win_list winlist; /* list of windows in ws */
276
277 /* stacker state */
278 struct {
279 int horizontal_msize;
280 int horizontal_mwin;
281 int horizontal_stacks;
282 int vertical_msize;
283 int vertical_mwin;
284 int vertical_stacks;
285 } l_state;
286 };
287
288 enum { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
289 SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
290
291 /* physical screen mapping */
292 #define SWM_WS_MAX (10) /* XXX Too small? */
293 struct swm_screen {
294 int idx; /* screen index */
295 struct swm_region_list rl; /* list of regions on this screen */
296 struct swm_region_list orl; /* list of old regions */
297 Window root;
298 struct workspace ws[SWM_WS_MAX];
299
300 /* colors */
301 struct {
302 unsigned long color;
303 char *name;
304 } c[SWM_S_COLOR_MAX];
305 };
306 struct swm_screen *screens;
307 int num_screens;
308
309 struct ws_win *cur_focus = NULL;
310
311 /* args to functions */
312 union arg {
313 int id;
314 #define SWM_ARG_ID_FOCUSNEXT (0)
315 #define SWM_ARG_ID_FOCUSPREV (1)
316 #define SWM_ARG_ID_FOCUSMAIN (2)
317 #define SWM_ARG_ID_SWAPNEXT (3)
318 #define SWM_ARG_ID_SWAPPREV (4)
319 #define SWM_ARG_ID_SWAPMAIN (5)
320 #define SWM_ARG_ID_MASTERSHRINK (6)
321 #define SWM_ARG_ID_MASTERGROW (7)
322 #define SWM_ARG_ID_MASTERADD (8)
323 #define SWM_ARG_ID_MASTERDEL (9)
324 #define SWM_ARG_ID_STACKRESET (10)
325 #define SWM_ARG_ID_STACKINIT (11)
326 #define SWM_ARG_ID_CYCLEWS_UP (12)
327 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
328 #define SWM_ARG_ID_CYCLESC_UP (14)
329 #define SWM_ARG_ID_CYCLESC_DOWN (15)
330 #define SWM_ARG_ID_STACKINC (16)
331 #define SWM_ARG_ID_STACKDEC (17)
332 #define SWM_ARG_ID_SS_ALL (0)
333 #define SWM_ARG_ID_SS_WINDOW (1)
334 #define SWM_ARG_ID_DONTCENTER (0)
335 #define SWM_ARG_ID_CENTER (1)
336 #define SWM_ARG_ID_KILLWINDOW (0)
337 #define SWM_ARG_ID_DELETEWINDOW (1)
338 char **argv;
339 };
340
341 /* quirks */
342 struct quirk {
343 char *class;
344 char *name;
345 unsigned long quirk;
346 #define SWM_Q_FLOAT (1<<0) /* float this window */
347 #define SWM_Q_TRANSSZ (1<<1) /* transiend window size too small */
348 #define SWM_Q_ANYWHERE (1<<2) /* don't position this window */
349 #define SWM_Q_XTERM_FONTADJ (1<<3) /* adjust xterm fonts when resizing */
350 #define SWM_Q_FULLSCREEN (1<<4) /* remove border */
351 } quirks[] = {
352 { "MPlayer", "xv", SWM_Q_FLOAT | SWM_Q_FULLSCREEN },
353 { "OpenOffice.org 2.4", "VCLSalFrame", SWM_Q_FLOAT },
354 { "OpenOffice.org 3.0", "VCLSalFrame", SWM_Q_FLOAT },
355 { "Firefox-bin", "firefox-bin", SWM_Q_TRANSSZ },
356 { "Gimp", "gimp", SWM_Q_FLOAT | SWM_Q_ANYWHERE },
357 { "XTerm", "xterm", SWM_Q_XTERM_FONTADJ },
358 { "xine", "Xine Window", SWM_Q_FLOAT | SWM_Q_ANYWHERE },
359 { "Xitk", "Xitk Combo", SWM_Q_FLOAT | SWM_Q_ANYWHERE },
360 { "xine", "xine Panel", SWM_Q_FLOAT | SWM_Q_ANYWHERE },
361 { "Xitk", "Xine Window", SWM_Q_FLOAT | SWM_Q_ANYWHERE },
362 { "xine", "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT },
363 { "pcb", "pcb", SWM_Q_FLOAT },
364 { NULL, NULL, 0},
365 };
366
367 /* events */
368 void expose(XEvent *);
369 void keypress(XEvent *);
370 void buttonpress(XEvent *);
371 void configurerequest(XEvent *);
372 void configurenotify(XEvent *);
373 void destroynotify(XEvent *);
374 void enternotify(XEvent *);
375 void focusin(XEvent *);
376 void mappingnotify(XEvent *);
377 void maprequest(XEvent *);
378 void propertynotify(XEvent *);
379 void unmapnotify(XEvent *);
380 void visibilitynotify(XEvent *);
381
382 void (*handler[LASTEvent])(XEvent *) = {
383 [Expose] = expose,
384 [KeyPress] = keypress,
385 [ButtonPress] = buttonpress,
386 [ConfigureRequest] = configurerequest,
387 [ConfigureNotify] = configurenotify,
388 [DestroyNotify] = destroynotify,
389 [EnterNotify] = enternotify,
390 [FocusIn] = focusin,
391 [MappingNotify] = mappingnotify,
392 [MapRequest] = maprequest,
393 [PropertyNotify] = propertynotify,
394 [UnmapNotify] = unmapnotify,
395 [VisibilityNotify] = visibilitynotify,
396 };
397
398 unsigned long
399 name_to_color(char *colorname)
400 {
401 Colormap cmap;
402 Status status;
403 XColor screen_def, exact_def;
404 unsigned long result = 0;
405 char cname[32] = "#";
406
407 cmap = DefaultColormap(display, screens[0].idx);
408 status = XAllocNamedColor(display, cmap, colorname,
409 &screen_def, &exact_def);
410 if (!status) {
411 strlcat(cname, colorname + 2, sizeof cname - 1);
412 status = XAllocNamedColor(display, cmap, cname, &screen_def,
413 &exact_def);
414 }
415 if (status)
416 result = screen_def.pixel;
417 else
418 fprintf(stderr, "color '%s' not found.\n", colorname);
419
420 return (result);
421 }
422
423 void
424 setscreencolor(char *val, int i, int c)
425 {
426 if (i > 0 && i <= ScreenCount(display)) {
427 screens[i - 1].c[c].color = name_to_color(val);
428 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
429 errx(1, "strdup");
430 } else if (i == -1) {
431 for (i = 0; i < ScreenCount(display); i++)
432 screens[i].c[c].color = name_to_color(val);
433 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
434 errx(1, "strdup");
435 } else
436 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
437 i, ScreenCount(display));
438 }
439
440 void new_region(struct swm_screen *, int, int, int, int);
441
442 void
443 custom_region(char *val)
444 {
445 unsigned int sidx, x, y, w, h;
446
447 if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
448 errx(1, "invalid custom region, "
449 "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
450 if (sidx < 1 || sidx > ScreenCount(display))
451 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
452 sidx, ScreenCount(display));
453 sidx--;
454
455 if (w < 1 || h < 1)
456 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
457
458 if (x < 0 || x > DisplayWidth(display, sidx) ||
459 y < 0 || y > DisplayHeight(display, sidx) ||
460 w + x > DisplayWidth(display, sidx) ||
461 h + y > DisplayHeight(display, sidx))
462 errx(1, "region %ux%u+%u+%u not within screen boundaries "
463 "(%ux%u)\n", w, h, x, y,
464 DisplayWidth(display, sidx), DisplayHeight(display, sidx));
465
466 new_region(&screens[sidx], x, y, w, h);
467 }
468
469 int
470 varmatch(char *var, char *name, int *index)
471 {
472 char *p, buf[5];
473 int i;
474
475 i = strncmp(var, name, 255);
476 if (index == NULL)
477 return (i);
478
479 *index = -1;
480 if (i <= 0)
481 return (i);
482 p = var + strlen(name);
483 if (*p++ != '[')
484 return (i);
485 bzero(buf, sizeof buf);
486 i = 0;
487 while (isdigit(*p) && i < sizeof buf)
488 buf[i++] = *p++;
489 if (i == 0 || i >= sizeof buf || *p != ']')
490 return (1);
491 *index = strtonum(buf, 0, 99, NULL);
492 return (0);
493 }
494
495 /* conf file stuff */
496 #define SWM_CONF_WS "\n= \t"
497 #define SWM_CONF_FILE "scrotwm.conf"
498 int
499 conf_load(char *filename)
500 {
501 FILE *config;
502 char *line, *cp, *var, *val;
503 size_t len, lineno = 0;
504 int i, sc;
505
506 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
507
508 if (filename == NULL)
509 return (1);
510
511 if ((config = fopen(filename, "r")) == NULL)
512 return (1);
513
514 for (sc = ScreenCount(display);;) {
515 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
516 if (feof(config))
517 break;
518 cp = line;
519 cp += (long)strspn(cp, SWM_CONF_WS);
520 if (cp[0] == '\0') {
521 /* empty line */
522 free(line);
523 continue;
524 }
525 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
526 break;
527 cp += (long)strspn(cp, SWM_CONF_WS);
528 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
529 break;
530
531 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
532 switch (var[0]) {
533 case 'b':
534 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
535 bar_enabled = atoi(val);
536 else if (!varmatch(var, "bar_border", &i))
537 setscreencolor(val, i, SWM_S_COLOR_BAR_BORDER);
538 else if (!varmatch(var, "bar_color", &i))
539 setscreencolor(val, i, SWM_S_COLOR_BAR);
540 else if (!varmatch(var, "bar_font_color", &i))
541 setscreencolor(val, i, SWM_S_COLOR_BAR_FONT);
542 else if (!strncmp(var, "bar_font", strlen("bar_font")))
543 asprintf(&bar_fonts[0], "%s", val);
544 else if (!strncmp(var, "bar_action", strlen("bar_action")))
545 asprintf(&bar_argv[0], "%s", val);
546 else if (!strncmp(var, "bar_delay", strlen("bar_delay")))
547 bar_delay = atoi(val);
548 else
549 goto bad;
550 break;
551
552 case 'c':
553 if (!varmatch(var, "color_focus", &i))
554 setscreencolor(val, i, SWM_S_COLOR_FOCUS);
555 else if (!varmatch(var, "color_unfocus", &i))
556 setscreencolor(val, i, SWM_S_COLOR_UNFOCUS);
557 else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
558 cycle_visible = atoi(val);
559 else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
560 cycle_visible = atoi(val);
561 else
562 goto bad;
563 break;
564
565 case 'd':
566 if (!strncmp(var, "dialog_ratio",
567 strlen("dialog_ratio"))) {
568 dialog_ratio = atof(val);
569 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
570 dialog_ratio = .6;
571 } else
572 goto bad;
573 break;
574
575 case 'r':
576 if (!strncmp(var, "region", strlen("region")))
577 custom_region(val);
578 else
579 goto bad;
580 break;
581
582 case 's':
583 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
584 asprintf(&spawn_term[0], "%s", val);
585 else if (!strncmp(var, "screenshot_enabled",
586 strlen("screenshot_enabled")))
587 ss_enabled = atoi(val);
588 else if (!strncmp(var, "screenshot_app",
589 strlen("screenshot_app")))
590 asprintf(&spawn_screenshot[0], "%s", val);
591 else
592 goto bad;
593 break;
594
595 case 't':
596 if (!strncmp(var, "term_width", strlen("term_width")))
597 term_width = atoi(val);
598 else
599 goto bad;
600 break;
601
602 default:
603 goto bad;
604 }
605 free(line);
606 }
607
608 fclose(config);
609 return (0);
610
611 bad:
612 errx(1, "invalid conf file entry: %s=%s", var, val);
613 }
614
615 void
616 socket_setnonblock(int fd)
617 {
618 int flags;
619
620 if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
621 err(1, "fcntl F_GETFL");
622 flags |= O_NONBLOCK;
623 if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
624 err(1, "fcntl F_SETFL");
625 }
626
627 void
628 bar_print(struct swm_region *r, char *s)
629 {
630 XClearWindow(display, r->bar_window);
631 XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
632 XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
633 strlen(s));
634 }
635
636 void
637 bar_extra_stop(void)
638 {
639 if (bar_pipe[0]) {
640 close(bar_pipe[0]);
641 bzero(bar_pipe, sizeof bar_pipe);
642 }
643 if (bar_pid) {
644 kill(bar_pid, SIGTERM);
645 bar_pid = 0;
646 }
647 strlcpy(bar_ext, "", sizeof bar_ext);
648 bar_extra = 0;
649 }
650
651 void
652 bar_update(void)
653 {
654 time_t tmt;
655 struct tm tm;
656 struct swm_region *r;
657 int i, x;
658 size_t len;
659 char s[SWM_BAR_MAX];
660 char loc[SWM_BAR_MAX];
661 char *b;
662
663 if (bar_enabled == 0)
664 return;
665 if (bar_extra && bar_extra_running) {
666 /* ignore short reads; it'll correct itself */
667 while ((b = fgetln(stdin, &len)) != NULL)
668 if (b && b[len - 1] == '\n') {
669 b[len - 1] = '\0';
670 strlcpy(bar_ext, b, sizeof bar_ext);
671 }
672 if (b == NULL && errno != EAGAIN) {
673 fprintf(stderr, "bar_extra failed: errno: %d %s\n",
674 errno, strerror(errno));
675 bar_extra_stop();
676 }
677 } else
678 strlcpy(bar_ext, "", sizeof bar_ext);
679
680 time(&tmt);
681 localtime_r(&tmt, &tm);
682 strftime(s, sizeof s, "%a %b %d %R %Z %Y", &tm);
683 for (i = 0; i < ScreenCount(display); i++) {
684 x = 1;
685 TAILQ_FOREACH(r, &screens[i].rl, entry) {
686 snprintf(loc, sizeof loc, "%s %d:%d %s %s",
687 s, x++, r->ws->idx + 1, bar_ext, bar_vertext);
688 bar_print(r, loc);
689 }
690 }
691 XSync(display, False);
692 alarm(bar_delay);
693 }
694
695 void
696 bar_signal(int sig)
697 {
698 bar_alarm = 1;
699 }
700
701 void
702 bar_toggle(struct swm_region *r, union arg *args)
703 {
704 struct swm_region *tmpr;
705 int i, j, sc = ScreenCount(display);
706
707 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
708
709 if (bar_enabled)
710 for (i = 0; i < sc; i++)
711 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
712 XUnmapWindow(display, tmpr->bar_window);
713 else
714 for (i = 0; i < sc; i++)
715 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
716 XMapRaised(display, tmpr->bar_window);
717
718 bar_enabled = !bar_enabled;
719 for (i = 0; i < sc; i++)
720 for (j = 0; j < SWM_WS_MAX; j++)
721 screens[i].ws[j].restack = 1;
722
723 stack();
724 /* must be after stack */
725 bar_update();
726 }
727
728 void
729 bar_refresh(void)
730 {
731 XSetWindowAttributes wa;
732 struct swm_region *r;
733 int i;
734
735 /* do this here because the conf file is in memory */
736 if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
737 /* launch external status app */
738 bar_extra_running = 1;
739 if (pipe(bar_pipe) == -1)
740 err(1, "pipe error");
741 socket_setnonblock(bar_pipe[0]);
742 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
743 if (dup2(bar_pipe[0], 0) == -1)
744 errx(1, "dup2");
745 if (dup2(bar_pipe[1], 1) == -1)
746 errx(1, "dup2");
747 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
748 err(1, "could not disable SIGPIPE");
749 switch (bar_pid = fork()) {
750 case -1:
751 err(1, "cannot fork");
752 break;
753 case 0: /* child */
754 close(bar_pipe[0]);
755 execvp(bar_argv[0], bar_argv);
756 err(1, "%s external app failed", bar_argv[0]);
757 break;
758 default: /* parent */
759 close(bar_pipe[1]);
760 break;
761 }
762 }
763
764 bzero(&wa, sizeof wa);
765 for (i = 0; i < ScreenCount(display); i++)
766 TAILQ_FOREACH(r, &screens[i].rl, entry) {
767 wa.border_pixel =
768 screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
769 wa.background_pixel =
770 screens[i].c[SWM_S_COLOR_BAR].color;
771 XChangeWindowAttributes(display, r->bar_window,
772 CWBackPixel | CWBorderPixel, &wa);
773 }
774 bar_update();
775 }
776
777 void
778 bar_setup(struct swm_region *r)
779 {
780 int i;
781
782 for (i = 0; bar_fonts[i] != NULL; i++) {
783 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
784 if (bar_fs) {
785 bar_fidx = i;
786 break;
787 }
788 }
789 if (bar_fonts[i] == NULL)
790 errx(1, "couldn't load font");
791 bar_height = bar_fs->ascent + bar_fs->descent + 3;
792
793 r->bar_window = XCreateSimpleWindow(display,
794 r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
795 1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
796 r->s->c[SWM_S_COLOR_BAR].color);
797 bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
798 XSetFont(display, bar_gc, bar_fs->fid);
799 XSelectInput(display, r->bar_window, VisibilityChangeMask);
800 if (bar_enabled)
801 XMapRaised(display, r->bar_window);
802 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
803
804 if (signal(SIGALRM, bar_signal) == SIG_ERR)
805 err(1, "could not install bar_signal");
806 bar_refresh();
807 }
808
809 void
810 version(struct swm_region *r, union arg *args)
811 {
812 bar_version = !bar_version;
813 if (bar_version)
814 strlcpy(bar_vertext, cvstag, sizeof bar_vertext);
815 else
816 strlcpy(bar_vertext, "", sizeof bar_vertext);
817 bar_update();
818 }
819
820 void
821 client_msg(struct ws_win *win, Atom a)
822 {
823 XClientMessageEvent cm;
824
825 bzero(&cm, sizeof cm);
826 cm.type = ClientMessage;
827 cm.window = win->id;
828 cm.message_type = aprot;
829 cm.format = 32;
830 cm.data.l[0] = a;
831 cm.data.l[1] = CurrentTime;
832 XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
833 }
834
835 void
836 config_win(struct ws_win *win)
837 {
838 XConfigureEvent ce;
839
840 DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
841 win->id, win->g.x, win->g.y, win->g.w, win->g.h);
842 ce.type = ConfigureNotify;
843 ce.display = display;
844 ce.event = win->id;
845 ce.window = win->id;
846 ce.x = win->g.x;
847 ce.y = win->g.y;
848 ce.width = win->g.w;
849 ce.height = win->g.h;
850 ce.border_width = 1; /* XXX store this! */
851 ce.above = None;
852 ce.override_redirect = False;
853 XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
854 }
855
856 int
857 count_win(struct workspace *ws, int count_transient)
858 {
859 struct ws_win *win;
860 int count = 0;
861
862 TAILQ_FOREACH(win, &ws->winlist, entry) {
863 if (count_transient == 0 && win->floating)
864 continue;
865 if (count_transient == 0 && win->transient)
866 continue;
867 count++;
868 }
869 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
870
871 return (count);
872 }
873
874 void
875 quit(struct swm_region *r, union arg *args)
876 {
877 DNPRINTF(SWM_D_MISC, "quit\n");
878 running = 0;
879 }
880
881 void
882 unmap_all(void)
883 {
884 struct ws_win *win;
885 int i, j;
886
887 for (i = 0; i < ScreenCount(display); i++)
888 for (j = 0; j < SWM_WS_MAX; j++)
889 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
890 XUnmapWindow(display, win->id);
891 }
892
893 void
894 fake_keypress(struct ws_win *win, int keysym, int modifiers)
895 {
896 XKeyEvent event;
897
898 event.display = display; /* Ignored, but what the hell */
899 event.window = win->id;
900 event.root = win->s->root;
901 event.subwindow = None;
902 event.time = CurrentTime;
903 event.x = win->g.x;
904 event.y = win->g.y;
905 event.x_root = 1;
906 event.y_root = 1;
907 event.same_screen = True;
908 event.keycode = XKeysymToKeycode(display, keysym);
909 event.state = modifiers;
910
911 event.type = KeyPress;
912 XSendEvent(event.display, event.window, True,
913 KeyPressMask, (XEvent *)&event);
914
915 event.type = KeyRelease;
916 XSendEvent(event.display, event.window, True,
917 KeyPressMask, (XEvent *)&event);
918
919 }
920
921 void
922 restart(struct swm_region *r, union arg *args)
923 {
924 DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
925
926 /* disable alarm because the following code may not be interrupted */
927 alarm(0);
928 if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
929 errx(1, "can't disable alarm");
930
931 bar_extra_stop();
932 bar_extra = 1;
933 unmap_all();
934 XCloseDisplay(display);
935 execvp(start_argv[0], start_argv);
936 fprintf(stderr, "execvp failed\n");
937 perror(" failed");
938 quit(NULL, NULL);
939 }
940
941 struct swm_region *
942 root_to_region(Window root)
943 {
944 struct swm_region *r = NULL;
945 Window rr, cr;
946 int i, x, y, wx, wy;
947 unsigned int mask;
948
949 for (i = 0; i < ScreenCount(display); i++)
950 if (screens[i].root == root)
951 break;
952
953 if (XQueryPointer(display, screens[i].root,
954 &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
955 /* choose a region based on pointer location */
956 TAILQ_FOREACH(r, &screens[i].rl, entry)
957 if (x >= X(r) && x <= X(r) + WIDTH(r) &&
958 y >= Y(r) && y <= Y(r) + HEIGHT(r))
959 break;
960 }
961
962 if (r == NULL)
963 r = TAILQ_FIRST(&screens[i].rl);
964
965 return (r);
966 }
967
968 struct ws_win *
969 find_window(Window id)
970 {
971 struct ws_win *win;
972 int i, j;
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 (id == win->id)
978 return (win);
979 return (NULL);
980 }
981
982 void
983 spawn(struct swm_region *r, union arg *args)
984 {
985 char *ret;
986 int si;
987
988 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
989 /*
990 * The double-fork construct avoids zombie processes and keeps the code
991 * clean from stupid signal handlers.
992 */
993 if (fork() == 0) {
994 if (fork() == 0) {
995 if (display)
996 close(ConnectionNumber(display));
997 setenv("LD_PRELOAD", SWM_LIB, 1);
998 if (asprintf(&ret, "%d", r->ws->idx)) {
999 setenv("_SWM_WS", ret, 1);
1000 free(ret);
1001 }
1002 if (asprintf(&ret, "%d", getpid())) {
1003 setenv("_SWM_PID", ret, 1);
1004 free(ret);
1005 }
1006 setsid();
1007 /* kill stdin, mplayer, ssh-add etc. need that */
1008 si = open("/dev/null", O_RDONLY, 0);
1009 if (si == -1)
1010 err(1, "open /dev/null");
1011 if (dup2(si, 0) == -1)
1012 err(1, "dup2 /dev/null");
1013 execvp(args->argv[0], args->argv);
1014 fprintf(stderr, "execvp failed\n");
1015 perror(" failed");
1016 }
1017 exit(0);
1018 }
1019 wait(0);
1020 }
1021
1022 void
1023 spawnterm(struct swm_region *r, union arg *args)
1024 {
1025 DNPRINTF(SWM_D_MISC, "spawnterm\n");
1026
1027 if (term_width)
1028 setenv("_SWM_XTERM_FONTADJ", "", 1);
1029 spawn(r, args);
1030 }
1031
1032 void
1033 spawnmenu(struct swm_region *r, union arg *args)
1034 {
1035 DNPRINTF(SWM_D_MISC, "spawnmenu\n");
1036
1037 spawn_menu[SWM_MENU_FN] = bar_fonts[bar_fidx];
1038 spawn_menu[SWM_MENU_NB] = r->s->c[SWM_S_COLOR_BAR].name;
1039 spawn_menu[SWM_MENU_NF] = r->s->c[SWM_S_COLOR_BAR_FONT].name;
1040 spawn_menu[SWM_MENU_SB] = r->s->c[SWM_S_COLOR_BAR_BORDER].name;
1041 spawn_menu[SWM_MENU_SF] = r->s->c[SWM_S_COLOR_BAR].name;
1042
1043 spawn(r, args);
1044 }
1045
1046 void
1047 unfocus_all(void)
1048 {
1049 struct ws_win *win;
1050 int i, j;
1051
1052 DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
1053
1054 for (i = 0; i < ScreenCount(display); i++)
1055 for (j = 0; j < SWM_WS_MAX; j++)
1056 TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1057 if (win->ws->r == NULL)
1058 continue;
1059 grabbuttons(win, 0);
1060 XSetWindowBorder(display, win->id,
1061 win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1062 win->got_focus = 0;
1063 win->ws->focus = NULL;
1064 cur_focus = NULL;
1065 }
1066 }
1067
1068 void
1069 focus_win(struct ws_win *win)
1070 {
1071 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1072
1073 if (win == NULL)
1074 return;
1075
1076 if (win->ws->focus != win && win->ws->focus != NULL)
1077 win->ws->focus_prev = win->ws->focus;
1078
1079 unfocus_all();
1080 win->ws->focus = win;
1081 if (win->ws->r != NULL) {
1082 cur_focus = win;
1083 if (!win->got_focus) {
1084 XSetWindowBorder(display, win->id,
1085 win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1086 grabbuttons(win, 1);
1087 }
1088 win->got_focus = 1;
1089 XSetInputFocus(display, win->id,
1090 RevertToPointerRoot, CurrentTime);
1091 }
1092 }
1093
1094 void
1095 switchws(struct swm_region *r, union arg *args)
1096 {
1097 int wsid = args->id;
1098 struct swm_region *this_r, *other_r;
1099 struct ws_win *win;
1100 struct workspace *new_ws, *old_ws;
1101
1102 this_r = r;
1103 old_ws = this_r->ws;
1104 new_ws = &this_r->s->ws[wsid];
1105
1106 DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1107 "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1108 old_ws->idx, wsid);
1109
1110 if (new_ws == old_ws)
1111 return;
1112
1113 other_r = new_ws->r;
1114 if (!other_r) {
1115 /* if the other workspace is hidden, switch windows */
1116 /* map new window first to prevent ugly blinking */
1117 old_ws->r = NULL;
1118 old_ws->restack = 1;
1119
1120 TAILQ_FOREACH(win, &new_ws->winlist, entry)
1121 XMapRaised(display, win->id);
1122
1123 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1124 XUnmapWindow(display, win->id);
1125 } else {
1126 other_r->ws = old_ws;
1127 old_ws->r = other_r;
1128 }
1129 this_r->ws = new_ws;
1130 new_ws->r = this_r;
1131
1132 ignore_enter = 1;
1133 /* set focus */
1134 if (new_ws->focus)
1135 focus_win(new_ws->focus);
1136 stack();
1137 bar_update();
1138 }
1139
1140 void
1141 cyclews(struct swm_region *r, union arg *args)
1142 {
1143 union arg a;
1144 struct swm_screen *s = r->s;
1145
1146 DNPRINTF(SWM_D_WS, "cyclews id %d "
1147 "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1148 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1149
1150 a.id = r->ws->idx;
1151 do {
1152 switch (args->id) {
1153 case SWM_ARG_ID_CYCLEWS_UP:
1154 if (a.id < SWM_WS_MAX - 1)
1155 a.id++;
1156 else
1157 a.id = 0;
1158 break;
1159 case SWM_ARG_ID_CYCLEWS_DOWN:
1160 if (a.id > 0)
1161 a.id--;
1162 else
1163 a.id = SWM_WS_MAX - 1;
1164 break;
1165 default:
1166 return;
1167 };
1168
1169 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1170 continue;
1171 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1172 continue;
1173
1174 switchws(r, &a);
1175 } while (a.id != r->ws->idx);
1176 }
1177
1178 void
1179 cyclescr(struct swm_region *r, union arg *args)
1180 {
1181 struct swm_region *rr;
1182 int i;
1183
1184 i = r->s->idx;
1185 switch (args->id) {
1186 case SWM_ARG_ID_CYCLESC_UP:
1187 rr = TAILQ_NEXT(r, entry);
1188 if (rr == NULL)
1189 rr = TAILQ_FIRST(&screens[i].rl);
1190 break;
1191 case SWM_ARG_ID_CYCLESC_DOWN:
1192 rr = TAILQ_PREV(r, swm_region_list, entry);
1193 if (rr == NULL)
1194 rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1195 break;
1196 default:
1197 return;
1198 };
1199 unfocus_all();
1200 XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1201 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, rr->g.x,
1202 rr->g.y + bar_enabled ? bar_height : 0);
1203 }
1204
1205 void
1206 swapwin(struct swm_region *r, union arg *args)
1207 {
1208 struct ws_win *target, *source;
1209 struct ws_win_list *wl;
1210
1211
1212 DNPRINTF(SWM_D_WS, "swapwin id %d "
1213 "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1214 r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1215 if (cur_focus == NULL)
1216 return;
1217
1218 source = cur_focus;
1219 wl = &source->ws->winlist;
1220
1221 switch (args->id) {
1222 case SWM_ARG_ID_SWAPPREV:
1223 target = TAILQ_PREV(source, ws_win_list, entry);
1224 TAILQ_REMOVE(wl, cur_focus, entry);
1225 if (target == NULL)
1226 TAILQ_INSERT_TAIL(wl, source, entry);
1227 else
1228 TAILQ_INSERT_BEFORE(target, source, entry);
1229 break;
1230 case SWM_ARG_ID_SWAPNEXT:
1231 target = TAILQ_NEXT(source, entry);
1232 TAILQ_REMOVE(wl, source, entry);
1233 if (target == NULL)
1234 TAILQ_INSERT_HEAD(wl, source, entry);
1235 else
1236 TAILQ_INSERT_AFTER(wl, target, source, entry);
1237 break;
1238 case SWM_ARG_ID_SWAPMAIN:
1239 target = TAILQ_FIRST(wl);
1240 if (target == source) {
1241 if (source->ws->focus_prev != NULL &&
1242 source->ws->focus_prev != target)
1243
1244 source = source->ws->focus_prev;
1245 else
1246 return;
1247 }
1248 source->ws->focus_prev = target;
1249 TAILQ_REMOVE(wl, target, entry);
1250 TAILQ_INSERT_BEFORE(source, target, entry);
1251 TAILQ_REMOVE(wl, source, entry);
1252 TAILQ_INSERT_HEAD(wl, source, entry);
1253 break;
1254 default:
1255 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1256 return;
1257 }
1258
1259 ignore_enter = 1;
1260 stack();
1261 }
1262
1263 void
1264 focus(struct swm_region *r, union arg *args)
1265 {
1266 struct ws_win *winfocus, *winlostfocus;
1267 struct ws_win_list *wl;
1268
1269 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1270 if (cur_focus == NULL)
1271 return;
1272
1273 wl = &cur_focus->ws->winlist;
1274
1275 winlostfocus = cur_focus;
1276
1277 switch (args->id) {
1278 case SWM_ARG_ID_FOCUSPREV:
1279 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1280 if (winfocus == NULL)
1281 winfocus = TAILQ_LAST(wl, ws_win_list);
1282 break;
1283
1284 case SWM_ARG_ID_FOCUSNEXT:
1285 winfocus = TAILQ_NEXT(cur_focus, entry);
1286 if (winfocus == NULL)
1287 winfocus = TAILQ_FIRST(wl);
1288 break;
1289
1290 case SWM_ARG_ID_FOCUSMAIN:
1291 winfocus = TAILQ_FIRST(wl);
1292 break;
1293
1294 default:
1295 return;
1296 }
1297
1298 if (winfocus == winlostfocus || winfocus == NULL)
1299 return;
1300
1301 XMapRaised(display, winfocus->id);
1302 focus_win(winfocus);
1303 XSync(display, False);
1304 }
1305
1306 void
1307 cycle_layout(struct swm_region *r, union arg *args)
1308 {
1309 struct workspace *ws = r->ws;
1310
1311 DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1312
1313 ws->cur_layout++;
1314 if (ws->cur_layout->l_stack == NULL)
1315 ws->cur_layout = &layouts[0];
1316 ignore_enter = 1;
1317 stack();
1318 }
1319
1320 void
1321 stack_config(struct swm_region *r, union arg *args)
1322 {
1323 struct workspace *ws = r->ws;
1324
1325 DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1326 args->id, ws->idx);
1327
1328 if (ws->cur_layout->l_config != NULL)
1329 ws->cur_layout->l_config(ws, args->id);
1330
1331 if (args->id != SWM_ARG_ID_STACKINIT);
1332 stack();
1333 }
1334
1335 void
1336 stack(void) {
1337 struct swm_geometry g;
1338 struct swm_region *r;
1339 int i, j;
1340
1341 DNPRINTF(SWM_D_STACK, "stack\n");
1342
1343 for (i = 0; i < ScreenCount(display); i++) {
1344 j = 0;
1345 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1346 DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1347 "(screen %d, region %d)\n", r->ws->idx, i, j++);
1348
1349 /* start with screen geometry, adjust for bar */
1350 g = r->g;
1351 g.w -= 2;
1352 g.h -= 2;
1353 if (bar_enabled) {
1354 g.y += bar_height;
1355 g.h -= bar_height;
1356 }
1357
1358 r->ws->restack = 0;
1359 r->ws->cur_layout->l_stack(r->ws, &g);
1360 }
1361 }
1362 if (font_adjusted)
1363 font_adjusted--;
1364 XSync(display, False);
1365 }
1366
1367 void
1368 stack_floater(struct ws_win *win, struct swm_region *r)
1369 {
1370 unsigned int mask;
1371 XWindowChanges wc;
1372
1373 bzero(&wc, sizeof wc);
1374 mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1375 if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w == WIDTH(r)) &&
1376 (win->g.h == HEIGHT(r)))
1377 wc.border_width = 0;
1378 else
1379 wc.border_width = 1;
1380 if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1381 win->g.w = (double)WIDTH(r) * dialog_ratio;
1382 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1383 }
1384 wc.width = win->g.w;
1385 wc.height = win->g.h;
1386 if (win->manual) {
1387 wc.x = win->g.x;
1388 wc.y = win->g.y;
1389 } else {
1390 wc.x = (WIDTH(r) - win->g.w) / 2;
1391 wc.y = (HEIGHT(r) - win->g.h) / 2;
1392 }
1393
1394 DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1395 win->id, wc.x, wc.y, wc.width, wc.height);
1396
1397 XConfigureWindow(display, win->id, mask, &wc);
1398 }
1399
1400 /*
1401 * Send keystrokes to terminal to decrease/increase the font size as the
1402 * window size changes.
1403 */
1404 void
1405 adjust_font(struct ws_win *win)
1406 {
1407 if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1408 win->floating || win->transient)
1409 return;
1410
1411 if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1412 win->g.w / win->sh.width_inc < term_width &&
1413 win->font_steps < SWM_MAX_FONT_STEPS) {
1414 win->font_size_boundary[win->font_steps] =
1415 (win->sh.width_inc * term_width) + win->sh.base_width;
1416 win->font_steps++;
1417 font_adjusted++;
1418 win->last_inc = win->sh.width_inc;
1419 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1420 } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1421 win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1422 win->font_steps--;
1423 font_adjusted++;
1424 win->last_inc = win->sh.width_inc;
1425 fake_keypress(win, XK_KP_Add, ShiftMask);
1426 }
1427 }
1428
1429 #define SWAPXY(g) do { \
1430 int tmp; \
1431 tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp; \
1432 tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp; \
1433 } while (0)
1434 void
1435 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1436 {
1437 XWindowChanges wc;
1438 struct swm_geometry win_g, r_g = *g;
1439 struct ws_win *win, *winfocus;
1440 int i, j, s, stacks;
1441 int w_inc = 1, h_inc, w_base = 1, h_base;
1442 int hrh, extra = 0, h_slice, last_h = 0;
1443 int split, colno, winno, mwin, msize, mscale;
1444 int remain, missing, v_slice;;
1445 unsigned int mask;
1446
1447 DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1448 ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1449
1450 if ((winno = count_win(ws, 0)) == 0)
1451 return;
1452
1453 if (ws->focus == NULL)
1454 ws->focus = TAILQ_FIRST(&ws->winlist);
1455 winfocus = cur_focus ? cur_focus : ws->focus;
1456
1457 TAILQ_FOREACH(win, &ws->winlist, entry)
1458 if (win->transient == 0 && win->floating == 0)
1459 break;
1460
1461 if (win == NULL)
1462 goto notiles;
1463
1464 if (rot) {
1465 w_inc = win->sh.width_inc;
1466 w_base = win->sh.base_width;
1467 mwin = ws->l_state.horizontal_mwin;
1468 mscale = ws->l_state.horizontal_msize;
1469 stacks = ws->l_state.horizontal_stacks;
1470 SWAPXY(&r_g);
1471 } else {
1472 w_inc = win->sh.height_inc;
1473 w_base = win->sh.base_height;
1474 mwin = ws->l_state.vertical_mwin;
1475 mscale = ws->l_state.vertical_msize;
1476 stacks = ws->l_state.vertical_stacks;
1477 }
1478 win_g = r_g;
1479
1480 if (stacks > winno - mwin)
1481 stacks = winno - mwin;
1482 if (stacks < 1)
1483 stacks = 1;
1484
1485 h_slice = r_g.h / SWM_H_SLICE;
1486 if (mwin && winno > mwin) {
1487 v_slice = r_g.w / SWM_V_SLICE;
1488
1489 split = mwin;
1490 colno = split;
1491 win_g.w = v_slice * mscale;
1492
1493 if (w_inc > 1 && w_inc < v_slice) {
1494 /* adjust for window's requested size increment */
1495 remain = (win_g.w - w_base) % w_inc;
1496 missing = w_inc - remain;
1497 win_g.w -= remain;
1498 extra += remain;
1499 }
1500
1501 msize = win_g.w;
1502 if (flip)
1503 win_g.x += r_g.w - msize;
1504 } else {
1505 msize = -2;
1506 colno = split = winno / stacks;
1507 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1508 }
1509 hrh = r_g.h / colno;
1510 extra = r_g.h - (colno * hrh);
1511 win_g.h = hrh - 2;
1512
1513 /* stack all the tiled windows */
1514 i = j = 0, s = stacks;
1515 TAILQ_FOREACH(win, &ws->winlist, entry) {
1516 if (win->transient != 0 || win->floating != 0)
1517 continue;
1518
1519 if (split && i == split) {
1520 colno = (winno - mwin) / stacks;
1521 if (s <= (winno - mwin) % stacks)
1522 colno++;
1523 split = split + colno;
1524 hrh = (r_g.h / colno);
1525 extra = r_g.h - (colno * hrh);
1526 if (flip)
1527 win_g.x = r_g.x;
1528 else
1529 win_g.x += win_g.w + 2;
1530 win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1531 if (s == 1)
1532 win_g.w += (r_g.w - msize - (stacks * 2)) %
1533 stacks;
1534 s--;
1535 j = 0;
1536 }
1537 win_g.h = hrh - 2;
1538 if (rot) {
1539 h_inc = win->sh.width_inc;
1540 h_base = win->sh.base_width;
1541 } else {
1542 h_inc = win->sh.height_inc;
1543 h_base = win->sh.base_height;
1544 }
1545 if (j == colno - 1) {
1546 win_g.h = hrh + extra;
1547 } else if (h_inc > 1 && h_inc < h_slice) {
1548 /* adjust for window's requested size increment */
1549 remain = (win_g.h - h_base) % h_inc;
1550 missing = h_inc - remain;
1551
1552 if (missing <= extra || j == 0) {
1553 extra -= missing;
1554 win_g.h += missing;
1555 } else {
1556 win_g.h -= remain;
1557 extra += remain;
1558 }
1559 }
1560
1561 if (j == 0)
1562 win_g.y = r_g.y;
1563 else
1564 win_g.y += last_h + 2;
1565
1566 bzero(&wc, sizeof wc);
1567 wc.border_width = 1;
1568 if (rot) {
1569 win->g.x = wc.x = win_g.y;
1570 win->g.y = wc.y = win_g.x;
1571 win->g.w = wc.width = win_g.h;
1572 win->g.h = wc.height = win_g.w;
1573 } else {
1574 win->g.x = wc.x = win_g.x;
1575 win->g.y = wc.y = win_g.y;
1576 win->g.w = wc.width = win_g.w;
1577 win->g.h = wc.height = win_g.h;
1578 }
1579 adjust_font(win);
1580 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1581 XConfigureWindow(display, win->id, mask, &wc);
1582 XMapRaised(display, win->id);
1583
1584 last_h = win_g.h;
1585 i++;
1586 j++;
1587 }
1588
1589 notiles:
1590 /* now, stack all the floaters and transients */
1591 TAILQ_FOREACH(win, &ws->winlist, entry) {
1592 if (win->transient == 0 && win->floating == 0)
1593 continue;
1594
1595 stack_floater(win, ws->r);
1596 XMapRaised(display, win->id);
1597 }
1598
1599 if (winfocus)
1600 focus_win(winfocus); /* has to be done outside of the loop */
1601 }
1602
1603 void
1604 vertical_config(struct workspace *ws, int id)
1605 {
1606 DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1607
1608 switch (id) {
1609 case SWM_ARG_ID_STACKRESET:
1610 case SWM_ARG_ID_STACKINIT:
1611 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1612 ws->l_state.vertical_mwin = 1;
1613 ws->l_state.vertical_stacks = 1;
1614 break;
1615 case SWM_ARG_ID_MASTERSHRINK:
1616 if (ws->l_state.vertical_msize > 1)
1617 ws->l_state.vertical_msize--;
1618 break;
1619 case SWM_ARG_ID_MASTERGROW:
1620 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1621 ws->l_state.vertical_msize++;
1622 break;
1623 case SWM_ARG_ID_MASTERADD:
1624 ws->l_state.vertical_mwin++;
1625 break;
1626 case SWM_ARG_ID_MASTERDEL:
1627 if (ws->l_state.vertical_mwin > 0)
1628 ws->l_state.vertical_mwin--;
1629 break;
1630 case SWM_ARG_ID_STACKINC:
1631 ws->l_state.vertical_stacks++;
1632 break;
1633 case SWM_ARG_ID_STACKDEC:
1634 if (ws->l_state.vertical_stacks > 1)
1635 ws->l_state.vertical_stacks--;
1636 break;
1637 default:
1638 return;
1639 }
1640 }
1641
1642 void
1643 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1644 {
1645 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1646
1647 stack_master(ws, g, 0, 0);
1648 }
1649
1650 void
1651 horizontal_config(struct workspace *ws, int id)
1652 {
1653 DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1654
1655 switch (id) {
1656 case SWM_ARG_ID_STACKRESET:
1657 case SWM_ARG_ID_STACKINIT:
1658 ws->l_state.horizontal_mwin = 1;
1659 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1660 ws->l_state.horizontal_stacks = 1;
1661 break;
1662 case SWM_ARG_ID_MASTERSHRINK:
1663 if (ws->l_state.horizontal_msize > 1)
1664 ws->l_state.horizontal_msize--;
1665 break;
1666 case SWM_ARG_ID_MASTERGROW:
1667 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1668 ws->l_state.horizontal_msize++;
1669 break;
1670 case SWM_ARG_ID_MASTERADD:
1671 ws->l_state.horizontal_mwin++;
1672 break;
1673 case SWM_ARG_ID_MASTERDEL:
1674 if (ws->l_state.horizontal_mwin > 0)
1675 ws->l_state.horizontal_mwin--;
1676 break;
1677 case SWM_ARG_ID_STACKINC:
1678 ws->l_state.horizontal_stacks++;
1679 break;
1680 case SWM_ARG_ID_STACKDEC:
1681 if (ws->l_state.horizontal_stacks > 1)
1682 ws->l_state.horizontal_stacks--;
1683 break;
1684 default:
1685 return;
1686 }
1687 }
1688
1689 void
1690 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
1691 {
1692 DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1693
1694 stack_master(ws, g, 1, 0);
1695 }
1696
1697 /* fullscreen view */
1698 void
1699 max_stack(struct workspace *ws, struct swm_geometry *g) {
1700 XWindowChanges wc;
1701 struct swm_geometry gg = *g;
1702 struct ws_win *win, *winfocus;
1703 unsigned int mask;
1704
1705 DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1706
1707 if (count_win(ws, 0) == 0)
1708 return;
1709
1710 if (ws->focus == NULL)
1711 ws->focus = TAILQ_FIRST(&ws->winlist);
1712 winfocus = cur_focus ? cur_focus : ws->focus;
1713
1714 TAILQ_FOREACH(win, &ws->winlist, entry) {
1715 if (win->transient != 0 || win->floating != 0) {
1716 if (win == ws->focus) {
1717 /* XXX maximize? */
1718 stack_floater(win, ws->r);
1719 XMapRaised(display, win->id);
1720 } else
1721 XUnmapWindow(display, win->id);
1722 } else {
1723 bzero(&wc, sizeof wc);
1724 wc.border_width = 1;
1725 win->g.x = wc.x = gg.x;
1726 win->g.y = wc.y = gg.y;
1727 win->g.w = wc.width = gg.w;
1728 win->g.h = wc.height = gg.h;
1729 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1730 XConfigureWindow(display, win->id, mask, &wc);
1731
1732 if (win == ws->focus) {
1733 XMapRaised(display, win->id);
1734 } else
1735 XUnmapWindow(display, win->id);
1736 }
1737 }
1738
1739 if (winfocus)
1740 focus_win(winfocus); /* has to be done outside of the loop */
1741 }
1742
1743 void
1744 send_to_ws(struct swm_region *r, union arg *args)
1745 {
1746 int wsid = args->id;
1747 struct ws_win *win = cur_focus;
1748 struct workspace *ws, *nws;
1749 Atom ws_idx_atom = 0;
1750 unsigned char ws_idx_str[SWM_PROPLEN];
1751
1752 if (win == NULL)
1753 return;
1754
1755 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
1756
1757 ws = win->ws;
1758 nws = &win->s->ws[wsid];
1759
1760 XUnmapWindow(display, win->id);
1761
1762 /* find a window to focus */
1763 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
1764 if (ws->focus == NULL)
1765 ws->focus = TAILQ_FIRST(&ws->winlist);
1766 if (ws->focus == win)
1767 ws->focus = NULL;
1768
1769 TAILQ_REMOVE(&ws->winlist, win, entry);
1770
1771 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
1772 win->ws = nws;
1773
1774 /* Try to update the window's workspace property */
1775 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
1776 if (ws_idx_atom &&
1777 snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
1778 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
1779 ws_idx_str);
1780 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
1781 PropModeReplace, ws_idx_str, SWM_PROPLEN);
1782 }
1783
1784 if (count_win(nws, 1) == 1)
1785 nws->focus = win;
1786 ws->restack = 1;
1787 nws->restack = 1;
1788
1789 stack();
1790 }
1791
1792 void
1793 wkill(struct swm_region *r, union arg *args)
1794 {
1795 DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
1796
1797 if(r->ws->focus == NULL)
1798 return;
1799
1800 if (args->id == SWM_ARG_ID_KILLWINDOW)
1801 XKillClient(display, r->ws->focus->id);
1802 else
1803 if (r->ws->focus->can_delete)
1804 client_msg(r->ws->focus, adelete);
1805 }
1806
1807 void
1808 screenshot(struct swm_region *r, union arg *args)
1809 {
1810 union arg a;
1811
1812 DNPRINTF(SWM_D_MISC, "screenshot\n");
1813
1814 if (ss_enabled == 0)
1815 return;
1816
1817 switch (args->id) {
1818 case SWM_ARG_ID_SS_ALL:
1819 spawn_screenshot[1] = "full";
1820 break;
1821 case SWM_ARG_ID_SS_WINDOW:
1822 spawn_screenshot[1] = "window";
1823 break;
1824 default:
1825 return;
1826 }
1827 a.argv = spawn_screenshot;
1828 spawn(r, &a);
1829 }
1830
1831 void
1832 floating_toggle(struct swm_region *r, union arg *args)
1833 {
1834 struct ws_win *win = cur_focus;
1835
1836 if (win == NULL)
1837 return;
1838
1839 win->floating = !win->floating;
1840 win->manual = 0;
1841 stack();
1842 focus_win(win);
1843 }
1844
1845 /* key definitions */
1846 struct key {
1847 unsigned int mod;
1848 KeySym keysym;
1849 void (*func)(struct swm_region *r, union arg *);
1850 union arg args;
1851 } keys[] = {
1852 /* modifier key function argument */
1853 { MODKEY, XK_space, cycle_layout, {0} },
1854 { MODKEY | ShiftMask, XK_space, stack_config, {.id = SWM_ARG_ID_STACKRESET} },
1855 { MODKEY, XK_h, stack_config, {.id = SWM_ARG_ID_MASTERSHRINK} },
1856 { MODKEY, XK_l, stack_config, {.id = SWM_ARG_ID_MASTERGROW} },
1857 { MODKEY, XK_comma, stack_config, {.id = SWM_ARG_ID_MASTERADD} },
1858 { MODKEY, XK_period, stack_config, {.id = SWM_ARG_ID_MASTERDEL} },
1859 { MODKEY | ShiftMask, XK_comma, stack_config, {.id = SWM_ARG_ID_STACKINC} },
1860 { MODKEY | ShiftMask, XK_period, stack_config, {.id = SWM_ARG_ID_STACKDEC} },
1861 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
1862 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1863 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1864 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
1865 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
1866 { MODKEY | ShiftMask, XK_Return, spawnterm, {.argv = spawn_term} },
1867 { MODKEY, XK_p, spawnmenu, {.argv = spawn_menu} },
1868 { MODKEY | ShiftMask, XK_q, quit, {0} },
1869 { MODKEY, XK_q, restart, {0} },
1870 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
1871 { MODKEY, XK_1, switchws, {.id = 0} },
1872 { MODKEY, XK_2, switchws, {.id = 1} },
1873 { MODKEY, XK_3, switchws, {.id = 2} },
1874 { MODKEY, XK_4, switchws, {.id = 3} },
1875 { MODKEY, XK_5, switchws, {.id = 4} },
1876 { MODKEY, XK_6, switchws, {.id = 5} },
1877 { MODKEY, XK_7, switchws, {.id = 6} },
1878 { MODKEY, XK_8, switchws, {.id = 7} },
1879 { MODKEY, XK_9, switchws, {.id = 8} },
1880 { MODKEY, XK_0, switchws, {.id = 9} },
1881 { MODKEY, XK_Right, cyclews, {.id = SWM_ARG_ID_CYCLEWS_UP} },
1882 { MODKEY, XK_Left, cyclews, {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
1883 { MODKEY | ShiftMask, XK_Right, cyclescr, {.id = SWM_ARG_ID_CYCLESC_UP} },
1884 { MODKEY | ShiftMask, XK_Left, cyclescr, {.id = SWM_ARG_ID_CYCLESC_DOWN} },
1885 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
1886 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
1887 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
1888 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
1889 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
1890 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
1891 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
1892 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
1893 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
1894 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
1895 { MODKEY, XK_b, bar_toggle, {0} },
1896 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
1897 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
1898 { MODKEY | ShiftMask, XK_x, wkill, {.id = SWM_ARG_ID_KILLWINDOW} },
1899 { MODKEY, XK_x, wkill, {.id = SWM_ARG_ID_DELETEWINDOW} },
1900 { MODKEY, XK_s, screenshot, {.id = SWM_ARG_ID_SS_ALL} },
1901 { MODKEY | ShiftMask, XK_s, screenshot, {.id = SWM_ARG_ID_SS_WINDOW} },
1902 { MODKEY, XK_t, floating_toggle,{0} },
1903 { MODKEY | ShiftMask, XK_v, version, {0} },
1904 { MODKEY | ShiftMask, XK_Delete, spawn, {.argv = spawn_lock} },
1905 { MODKEY | ShiftMask, XK_i, spawn, {.argv = spawn_initscr} },
1906 };
1907
1908 void
1909 resize_window(struct ws_win *win, int center)
1910 {
1911 unsigned int mask;
1912 XWindowChanges wc;
1913 struct swm_region *r;
1914
1915 r = root_to_region(win->wa.root);
1916 bzero(&wc, sizeof wc);
1917 mask = CWBorderWidth | CWWidth | CWHeight;
1918 wc.border_width = 1;
1919 wc.width = win->g.w;
1920 wc.height = win->g.h;
1921 if (center == SWM_ARG_ID_CENTER) {
1922 wc.x = (WIDTH(r) - win->g.w) / 2;
1923 wc.y = (HEIGHT(r) - win->g.h) / 2;
1924 mask |= CWX | CWY;
1925 }
1926
1927 DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
1928 win->id, wc.x, wc.y, wc.width, wc.height);
1929
1930 XConfigureWindow(display, win->id, mask, &wc);
1931 config_win(win);
1932 }
1933
1934 void
1935 resize(struct ws_win *win, union arg *args)
1936 {
1937 XEvent ev;
1938 Time time = 0;
1939
1940 DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
1941 win->id, win->floating, win->transient);
1942
1943 if (!(win->transient != 0 || win->floating != 0))
1944 return;
1945
1946 if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
1947 GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
1948 return;
1949 XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
1950 do {
1951 XMaskEvent(display, MOUSEMASK | ExposureMask |
1952 SubstructureRedirectMask, &ev);
1953 switch(ev.type) {
1954 case ConfigureRequest:
1955 case Expose:
1956 case MapRequest:
1957 handler[ev.type](&ev);
1958 break;
1959 case MotionNotify:
1960 if (ev.xmotion.x <= 1)
1961 ev.xmotion.x = 1;
1962 if (ev.xmotion.y <= 1)
1963 ev.xmotion.y = 1;
1964 win->g.w = ev.xmotion.x;
1965 win->g.h = ev.xmotion.y;
1966
1967 /* not free, don't sync more than 60 times / second */
1968 if ((ev.xmotion.time - time) > (1000 / 60) ) {
1969 time = ev.xmotion.time;
1970 XSync(display, False);
1971 resize_window(win, args->id);
1972 }
1973 break;
1974 }
1975 } while (ev.type != ButtonRelease);
1976 if (time) {
1977 XSync(display, False);
1978 resize_window(win, args->id);
1979 }
1980 XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
1981 win->g.h - 1);
1982 XUngrabPointer(display, CurrentTime);
1983
1984 /* drain events */
1985 while (XCheckMaskEvent(display, EnterWindowMask, &ev));
1986 }
1987
1988 void
1989 move_window(struct ws_win *win)
1990 {
1991 unsigned int mask;
1992 XWindowChanges wc;
1993 struct swm_region *r;
1994
1995 r = root_to_region(win->wa.root);
1996 bzero(&wc, sizeof wc);
1997 mask = CWX | CWY;
1998 wc.x = win->g.x;
1999 wc.y = win->g.y;
2000
2001 DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2002 win->id, wc.x, wc.y, wc.width, wc.height);
2003
2004 XConfigureWindow(display, win->id, mask, &wc);
2005 config_win(win);
2006 }
2007
2008 void
2009 move(struct ws_win *win, union arg *args)
2010 {
2011 XEvent ev;
2012 Time time = 0;
2013 int restack = 0;
2014
2015 DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2016 win->id, win->floating, win->transient);
2017
2018 if (win->floating == 0) {
2019 win->floating = 1;
2020 win->manual = 1;
2021 restack = 1;
2022 }
2023
2024 if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2025 GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2026 return;
2027 XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2028 do {
2029 XMaskEvent(display, MOUSEMASK | ExposureMask |
2030 SubstructureRedirectMask, &ev);
2031 switch(ev.type) {
2032 case ConfigureRequest:
2033 case Expose:
2034 case MapRequest:
2035 handler[ev.type](&ev);
2036 break;
2037 case MotionNotify:
2038 win->g.x = ev.xmotion.x_root;
2039 win->g.y = ev.xmotion.y_root;
2040
2041 /* not free, don't sync more than 60 times / second */
2042 if ((ev.xmotion.time - time) > (1000 / 60) ) {
2043 time = ev.xmotion.time;
2044 XSync(display, False);
2045 move_window(win);
2046 }
2047 break;
2048 }
2049 } while (ev.type != ButtonRelease);
2050 if (time) {
2051 XSync(display, False);
2052 move_window(win);
2053 }
2054 XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2055 XUngrabPointer(display, CurrentTime);
2056 if (restack)
2057 stack();
2058
2059 /* drain events */
2060 while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2061 }
2062
2063 /* mouse */
2064 enum { client_click, root_click };
2065 struct button {
2066 unsigned int action;
2067 unsigned int mask;
2068 unsigned int button;
2069 void (*func)(struct ws_win *, union arg *);
2070 union arg args;
2071 } buttons[] = {
2072 /* action key mouse button func args */
2073 { client_click, MODKEY, Button3, resize, {.id = SWM_ARG_ID_DONTCENTER} },
2074 { client_click, MODKEY | ShiftMask, Button3, resize, {.id = SWM_ARG_ID_CENTER} },
2075 { client_click, MODKEY, Button1, move, {0} },
2076 };
2077
2078 void
2079 updatenumlockmask(void)
2080 {
2081 unsigned int i, j;
2082 XModifierKeymap *modmap;
2083
2084 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2085 numlockmask = 0;
2086 modmap = XGetModifierMapping(display);
2087 for (i = 0; i < 8; i++)
2088 for (j = 0; j < modmap->max_keypermod; j++)
2089 if (modmap->modifiermap[i * modmap->max_keypermod + j]
2090 == XKeysymToKeycode(display, XK_Num_Lock))
2091 numlockmask = (1 << i);
2092
2093 XFreeModifiermap(modmap);
2094 }
2095
2096 void
2097 grabkeys(void)
2098 {
2099 unsigned int i, j, k;
2100 KeyCode code;
2101 unsigned int modifiers[] =
2102 { 0, LockMask, numlockmask, numlockmask | LockMask };
2103
2104 DNPRINTF(SWM_D_MISC, "grabkeys\n");
2105 updatenumlockmask();
2106
2107 for (k = 0; k < ScreenCount(display); k++) {
2108 if (TAILQ_EMPTY(&screens[k].rl))
2109 continue;
2110 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2111 for (i = 0; i < LENGTH(keys); i++) {
2112 if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2113 for (j = 0; j < LENGTH(modifiers); j++)
2114 XGrabKey(display, code,
2115 keys[i].mod | modifiers[j],
2116 screens[k].root, True,
2117 GrabModeAsync, GrabModeAsync);
2118 }
2119 }
2120 }
2121
2122 void
2123 grabbuttons(struct ws_win *win, int focused)
2124 {
2125 unsigned int i, j;
2126 unsigned int modifiers[] =
2127 { 0, LockMask, numlockmask, numlockmask|LockMask };
2128
2129 updatenumlockmask();
2130 XUngrabButton(display, AnyButton, AnyModifier, win->id);
2131 if(focused) {
2132 for (i = 0; i < LENGTH(buttons); i++)
2133 if (buttons[i].action == client_click)
2134 for (j = 0; j < LENGTH(modifiers); j++)
2135 XGrabButton(display, buttons[i].button,
2136 buttons[i].mask | modifiers[j],
2137 win->id, False, BUTTONMASK,
2138 GrabModeAsync, GrabModeSync, None,
2139 None);
2140 } else
2141 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2142 BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2143 }
2144
2145 void
2146 expose(XEvent *e)
2147 {
2148 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
2149 }
2150
2151 void
2152 keypress(XEvent *e)
2153 {
2154 unsigned int i;
2155 KeySym keysym;
2156 XKeyEvent *ev = &e->xkey;
2157
2158 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
2159
2160 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
2161 for (i = 0; i < LENGTH(keys); i++)
2162 if (keysym == keys[i].keysym
2163 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
2164 && keys[i].func)
2165 keys[i].func(root_to_region(ev->root),
2166 &(keys[i].args));
2167 }
2168
2169 void
2170 buttonpress(XEvent *e)
2171 {
2172 XButtonPressedEvent *ev = &e->xbutton;
2173
2174 struct ws_win *win;
2175 int i, action;
2176
2177 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
2178
2179 action = root_click;
2180 if ((win = find_window(ev->window)) == NULL)
2181 return;
2182 else {
2183 focus_win(win);
2184 action = client_click;
2185 }
2186
2187 for (i = 0; i < LENGTH(buttons); i++)
2188 if (action == buttons[i].action && buttons[i].func &&
2189 buttons[i].button == ev->button &&
2190 CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
2191 buttons[i].func(win, &buttons[i].args);
2192 }
2193
2194 void
2195 set_win_state(struct ws_win *win, long state)
2196 {
2197 long data[] = {state, None};
2198
2199 DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
2200
2201 XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
2202 (unsigned char *)data, 2);
2203 }
2204
2205 struct ws_win *
2206 manage_window(Window id)
2207 {
2208 Window trans;
2209 struct workspace *ws;
2210 struct ws_win *win;
2211 int format, i, ws_idx, n;
2212 unsigned long nitems, bytes;
2213 Atom ws_idx_atom = 0, type;
2214 Atom *prot = NULL, *pp;
2215 unsigned char ws_idx_str[SWM_PROPLEN], *prop = NULL;
2216 struct swm_region *r;
2217 long mask;
2218 const char *errstr;
2219 XWindowChanges wc;
2220
2221 if ((win = find_window(id)) != NULL)
2222 return (win); /* already being managed */
2223
2224 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
2225 errx(1, "calloc: failed to allocate memory for new window");
2226
2227 /* Get all the window data in one shot */
2228 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2229 if (ws_idx_atom)
2230 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
2231 False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
2232 XGetWindowAttributes(display, id, &win->wa);
2233 XGetTransientForHint(display, id, &trans);
2234 XGetWMNormalHints(display, id, &win->sh, &mask); /* XXX function? */
2235 if (trans) {
2236 win->transient = trans;
2237 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
2238 (unsigned)win->id, win->transient);
2239 }
2240 /* get supported protocols */
2241 if (XGetWMProtocols(display, id, &prot, &n)) {
2242 for (i = 0, pp = prot; i < n; i++, pp++)
2243 if (*pp == adelete)
2244 win->can_delete = 1;
2245 if (prot)
2246 XFree(prot);
2247 }
2248
2249 /*
2250 * Figure out where to put the window. If it was previously assigned to
2251 * a workspace (either by spawn() or manually moving), and isn't
2252 * transient, * put it in the same workspace
2253 */
2254 r = root_to_region(win->wa.root);
2255 if (prop && win->transient == 0) {
2256 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
2257 ws_idx = strtonum(prop, 0, 9, &errstr);
2258 if (errstr) {
2259 DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
2260 errstr, prop);
2261 }
2262 ws = &r->s->ws[ws_idx];
2263 } else
2264 ws = r->ws;
2265
2266 /* set up the window layout */
2267 win->id = id;
2268 win->ws = ws;
2269 win->s = r->s; /* this never changes */
2270 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
2271
2272 win->g.w = win->wa.width;
2273 win->g.h = win->wa.height;
2274 win->g.x = win->wa.x;
2275 win->g.y = win->wa.y;
2276
2277 /* Set window properties so we can remember this after reincarnation */
2278 if (ws_idx_atom && prop == NULL &&
2279 snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
2280 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2281 ws_idx_str);
2282 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2283 PropModeReplace, ws_idx_str, SWM_PROPLEN);
2284 }
2285 XFree(prop);
2286
2287 if (XGetClassHint(display, win->id, &win->ch)) {
2288 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
2289 win->ch.res_class, win->ch.res_name);
2290 for (i = 0; quirks[i].class != NULL && quirks[i].name != NULL &&
2291 quirks[i].quirk != 0; i++){
2292 if (!strcmp(win->ch.res_class, quirks[i].class) &&
2293 !strcmp(win->ch.res_name, quirks[i].name)) {
2294 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
2295 win->ch.res_class, win->ch.res_name);
2296 if (quirks[i].quirk & SWM_Q_FLOAT)
2297 win->floating = 1;
2298 win->quirks = quirks[i].quirk;
2299 }
2300 }
2301 }
2302
2303 /* alter window position if quirky */
2304 if (win->quirks & SWM_Q_ANYWHERE) {
2305 win->manual = 1; /* don't center the quirky windows */
2306 bzero(&wc, sizeof wc);
2307 mask = 0;
2308 if (win->g.y < bar_height) {
2309 win->g.y = wc.y = bar_height;
2310 mask |= CWY;
2311 }
2312 if (win->g.w + win->g.x > WIDTH(r)) {
2313 win->g.x = wc.x = WIDTH(win->ws->r) - win->g.w - 2;
2314 mask |= CWX;
2315 }
2316 wc.border_width = 1;
2317 mask |= CWBorderWidth;
2318 XConfigureWindow(display, win->id, mask, &wc);
2319 }
2320
2321 /* Reset font sizes (the bruteforce way; no default keybinding). */
2322 if (win->quirks & SWM_Q_XTERM_FONTADJ) {
2323 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
2324 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2325 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
2326 fake_keypress(win, XK_KP_Add, ShiftMask);
2327 }
2328
2329 XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
2330 PropertyChangeMask | StructureNotifyMask);
2331
2332 set_win_state(win, NormalState);
2333
2334 /* floaters need to be mapped if they are in the current workspace */
2335 if (win->floating && (ws->idx == r->ws->idx))
2336 XMapRaised(display, win->id);
2337
2338 /* make new win focused */
2339 focus_win(win);
2340
2341 return (win);
2342 }
2343
2344 void
2345 unmanage_window(struct ws_win *win)
2346 {
2347 struct workspace *ws;
2348
2349 if (win == NULL)
2350 return;
2351
2352 DNPRINTF(SWM_D_MISC, "unmanage_window: %lu\n", win->id);
2353
2354 /* don't unmanage if we are switching workspaces */
2355 ws = win->ws;
2356 if (ws->restack)
2357 return;
2358
2359 /* find a window to focus */
2360 if (ws->focus == win)
2361 ws->focus = TAILQ_PREV(win, ws_win_list, entry);
2362 if (ws->focus == NULL)
2363 ws->focus = TAILQ_FIRST(&ws->winlist);
2364 if (ws->focus == NULL || ws->focus == win) {
2365 ws->focus = NULL;
2366 unfocus_all();
2367 } else
2368 focus_win(ws->focus);
2369 if (ws->focus_prev == win)
2370 ws->focus_prev = NULL;
2371
2372 TAILQ_REMOVE(&win->ws->winlist, win, entry);
2373 set_win_state(win, WithdrawnState);
2374 if (win->ch.res_class)
2375 XFree(win->ch.res_class);
2376 if (win->ch.res_name)
2377 XFree(win->ch.res_name);
2378 free(win);
2379 }
2380
2381 void
2382 configurerequest(XEvent *e)
2383 {
2384 XConfigureRequestEvent *ev = &e->xconfigurerequest;
2385 struct ws_win *win;
2386 int new = 0;
2387 XWindowChanges wc;
2388
2389 if ((win = find_window(ev->window)) == NULL)
2390 new = 1;
2391
2392 if (new) {
2393 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
2394 ev->window);
2395 bzero(&wc, sizeof wc);
2396 wc.x = ev->x;
2397 wc.y = ev->y;
2398 wc.width = ev->width;
2399 wc.height = ev->height;
2400 wc.border_width = ev->border_width;
2401 wc.sibling = ev->above;
2402 wc.stack_mode = ev->detail;
2403 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
2404 } else {
2405 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
2406 ev->window);
2407 if (win->floating) {
2408 if (ev->value_mask & CWX)
2409 win->g.x = ev->x;
2410 if (ev->value_mask & CWY)
2411 win->g.y = ev->y;
2412 if (ev->value_mask & CWWidth)
2413 win->g.w = ev->width;
2414 if (ev->value_mask & CWHeight)
2415 win->g.h = ev->height;
2416 if (win->ws->r != NULL) {
2417 /* this seems to be full screen */
2418 if (win->g.w >= WIDTH(win->ws->r)) {
2419 win->g.x = 0;
2420 win->g.w = WIDTH(win->ws->r);
2421 ev->value_mask |= CWX | CWWidth;
2422 }
2423 if (win->g.h >= HEIGHT(win->ws->r)) {
2424 /* kill border */
2425 win->g.y = 0;
2426 win->g.h = HEIGHT(win->ws->r);
2427 ev->value_mask |= CWY | CWHeight;
2428 }
2429 }
2430 if ((ev->value_mask & (CWX | CWY)) &&
2431 !(ev->value_mask & (CWWidth | CWHeight)))
2432 config_win(win);
2433 XMoveResizeWindow(display, win->id,
2434 win->g.x, win->g.y, win->g.w, win->g.h);
2435 } else
2436 config_win(win);
2437 }
2438 }
2439
2440 void
2441 configurenotify(XEvent *e)
2442 {
2443 struct ws_win *win;
2444 long mask;
2445
2446 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
2447 e->xconfigure.window);
2448
2449 win = find_window(e->xconfigure.window);
2450 XMapWindow(display, win->id);
2451 XGetWMNormalHints(display, win->id, &win->sh, &mask);
2452 adjust_font(win);
2453 XMapWindow(display, win->id);
2454 if (font_adjusted)
2455 stack();
2456 }
2457
2458 void
2459 destroynotify(XEvent *e)
2460 {
2461 struct ws_win *win;
2462 XDestroyWindowEvent *ev = &e->xdestroywindow;
2463
2464 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
2465
2466 if ((win = find_window(ev->window)) != NULL) {
2467 unmanage_window(win);
2468 stack();
2469 }
2470 }
2471
2472 void
2473 enternotify(XEvent *e)
2474 {
2475 XCrossingEvent *ev = &e->xcrossing;
2476 struct ws_win *win;
2477
2478 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
2479
2480 if (ignore_enter) {
2481 /* eat event(r) to prevent autofocus */
2482 ignore_enter--;
2483 return;
2484 }
2485
2486 if ((win = find_window(ev->window)) != NULL)
2487 focus_win(win);
2488 }
2489
2490 void
2491 focusin(XEvent *e)
2492 {
2493 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
2494 }
2495
2496 void
2497 mappingnotify(XEvent *e)
2498 {
2499 XMappingEvent *ev = &e->xmapping;
2500
2501 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
2502
2503 XRefreshKeyboardMapping(ev);
2504 if (ev->request == MappingKeyboard)
2505 grabkeys();
2506 }
2507
2508 void
2509 maprequest(XEvent *e)
2510 {
2511 XMapRequestEvent *ev = &e->xmaprequest;
2512 XWindowAttributes wa;
2513
2514 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
2515 e->xmaprequest.window);
2516
2517 if (!XGetWindowAttributes(display, ev->window, &wa))
2518 return;
2519 if (wa.override_redirect)
2520 return;
2521 manage_window(e->xmaprequest.window);
2522
2523 stack();
2524 }
2525
2526 void
2527 propertynotify(XEvent *e)
2528 {
2529 struct ws_win *win;
2530 XPropertyEvent *ev = &e->xproperty;
2531
2532 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
2533 ev->window);
2534
2535 if (ev->state == PropertyDelete)
2536 return; /* ignore */
2537 win = find_window(ev->window);
2538 if (win == NULL)
2539 return;
2540
2541 switch (ev->atom) {
2542 case XA_WM_NORMAL_HINTS:
2543 #if 0
2544 long mask;
2545 XGetWMNormalHints(display, win->id, &win->sh, &mask);
2546 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
2547 if (win->sh.flags & PMinSize) {
2548 win->g.w = win->sh.min_width;
2549 win->g.h = win->sh.min_height;
2550 fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
2551 }
2552 XMoveResizeWindow(display, win->id,
2553 win->g.x, win->g.y, win->g.w, win->g.h);
2554 #endif
2555 break;
2556 default:
2557 break;
2558 }
2559 }
2560
2561 void
2562 unmapnotify(XEvent *e)
2563 {
2564 XDestroyWindowEvent *ev = &e->xdestroywindow;
2565 struct ws_win *win;
2566
2567 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
2568
2569 if ((win = find_window(ev->window)) != NULL)
2570 if (win->transient)
2571 unmanage_window(win);
2572 }
2573
2574 void
2575 visibilitynotify(XEvent *e)
2576 {
2577 int i;
2578 struct swm_region *r;
2579
2580 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
2581 e->xvisibility.window);
2582 if (e->xvisibility.state == VisibilityUnobscured)
2583 for (i = 0; i < ScreenCount(display); i++)
2584 TAILQ_FOREACH(r, &screens[i].rl, entry)
2585 if (e->xvisibility.window == r->bar_window)
2586 bar_update();
2587 }
2588
2589 int
2590 xerror_start(Display *d, XErrorEvent *ee)
2591 {
2592 other_wm = 1;
2593 return (-1);
2594 }
2595
2596 int
2597 xerror(Display *d, XErrorEvent *ee)
2598 {
2599 /* fprintf(stderr, "error: %p %p\n", display, ee); */
2600 return (-1);
2601 }
2602
2603 int
2604 active_wm(void)
2605 {
2606 other_wm = 0;
2607 xerrorxlib = XSetErrorHandler(xerror_start);
2608
2609 /* this causes an error if some other window manager is running */
2610 XSelectInput(display, DefaultRootWindow(display),
2611 SubstructureRedirectMask);
2612 XSync(display, False);
2613 if (other_wm)
2614 return (1);
2615
2616 XSetErrorHandler(xerror);
2617 XSync(display, False);
2618 return (0);
2619 }
2620
2621 long
2622 getstate(Window w)
2623 {
2624 int format, status;
2625 long result = -1;
2626 unsigned char *p = NULL;
2627 unsigned long n, extra;
2628 Atom real;
2629
2630 status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
2631 &real, &format, &n, &extra, (unsigned char **)&p);
2632 if (status != Success)
2633 return (-1);
2634 if (n != 0)
2635 result = *((long *)p);
2636 XFree(p);
2637 return (result);
2638 }
2639
2640 void
2641 new_region(struct swm_screen *s, int x, int y, int w, int h)
2642 {
2643 struct swm_region *r, *n;
2644 struct workspace *ws = NULL;
2645 int i;
2646
2647 DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
2648 s->idx, w, h, x, y);
2649
2650 /* remove any conflicting regions */
2651 n = TAILQ_FIRST(&s->rl);
2652 while (n) {
2653 r = n;
2654 n = TAILQ_NEXT(r, entry);
2655 if (X(r) < (x + w) &&
2656 (X(r) + WIDTH(r)) > x &&
2657 Y(r) < (y + h) &&
2658 (Y(r) + HEIGHT(r)) > y) {
2659 XDestroyWindow(display, r->bar_window);
2660 TAILQ_REMOVE(&s->rl, r, entry);
2661 TAILQ_INSERT_TAIL(&s->orl, r, entry);
2662 }
2663 }
2664
2665 /* search old regions for one to reuse */
2666
2667 /* size + location match */
2668 TAILQ_FOREACH(r, &s->orl, entry)
2669 if (X(r) == x && Y(r) == y &&
2670 HEIGHT(r) == h && WIDTH(r) == w)
2671 break;
2672
2673 /* size match */
2674 TAILQ_FOREACH(r, &s->orl, entry)
2675 if (HEIGHT(r) == h && WIDTH(r) == w)
2676 break;
2677
2678 if (r != NULL) {
2679 TAILQ_REMOVE(&s->orl, r, entry);
2680 /* try to use old region's workspace */
2681 if (r->ws->r == NULL)
2682 ws = r->ws;
2683 } else
2684 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
2685 errx(1, "calloc: failed to allocate memory for screen");
2686
2687 /* if we don't have a workspace already, find one */
2688 if (ws == NULL) {
2689 for (i = 0; i < SWM_WS_MAX; i++)
2690 if (s->ws[i].r == NULL) {
2691 ws = &s->ws[i];
2692 break;
2693 }
2694 }
2695
2696 if (ws == NULL)
2697 errx(1, "no free workspaces\n");
2698
2699 X(r) = x;
2700 Y(r) = y;
2701 WIDTH(r) = w;
2702 HEIGHT(r) = h;
2703 r->s = s;
2704 r->ws = ws;
2705 ws->r = r;
2706 TAILQ_INSERT_TAIL(&s->rl, r, entry);
2707 }
2708
2709 void
2710 scan_xrandr(int i)
2711 {
2712 #ifdef SWM_XRR_HAS_CRTC
2713 XRRCrtcInfo *ci;
2714 XRRScreenResources *sr;
2715 int c;
2716 int ncrtc = 0;
2717 #endif /* SWM_XRR_HAS_CRTC */
2718 struct swm_region *r;
2719
2720
2721 if (i >= ScreenCount(display))
2722 errx(1, "invalid screen");
2723
2724 /* remove any old regions */
2725 while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
2726 r->ws->r = NULL;
2727 XDestroyWindow(display, r->bar_window);
2728 TAILQ_REMOVE(&screens[i].rl, r, entry);
2729 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
2730 }
2731
2732 /* map virtual screens onto physical screens */
2733 #ifdef SWM_XRR_HAS_CRTC
2734 if (xrandr_support) {
2735 sr = XRRGetScreenResources(display, screens[i].root);
2736 if (sr == NULL)
2737 new_region(&screens[i], 0, 0,
2738 DisplayWidth(display, i),
2739 DisplayHeight(display, i));
2740 else
2741 ncrtc = sr->ncrtc;
2742
2743 for (c = 0, ci = NULL; c < ncrtc; c++) {
2744 ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
2745 if (ci->noutput == 0)
2746 continue;
2747
2748 if (ci != NULL && ci->mode == None)
2749 new_region(&screens[i], 0, 0,
2750 DisplayWidth(display, i),
2751 DisplayHeight(display, i));
2752 else
2753 new_region(&screens[i],
2754 ci->x, ci->y, ci->width, ci->height);
2755 }
2756 if (ci)
2757 XRRFreeCrtcInfo(ci);
2758 XRRFreeScreenResources(sr);
2759 } else
2760 #endif /* SWM_XRR_HAS_CRTC */
2761 {
2762 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
2763 DisplayHeight(display, i));
2764 }
2765 }
2766
2767 void
2768 screenchange(XEvent *e) {
2769 XRRScreenChangeNotifyEvent *xe = (XRRScreenChangeNotifyEvent *)e;
2770 struct swm_region *r;
2771 struct ws_win *win;
2772 int i;
2773
2774 DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
2775
2776 if (!XRRUpdateConfiguration(e))
2777 return;
2778
2779 /* silly event doesn't include the screen index */
2780 for (i = 0; i < ScreenCount(display); i++)
2781 if (screens[i].root == xe->root)
2782 break;
2783 if (i >= ScreenCount(display))
2784 errx(1, "screenchange: screen not found\n");
2785
2786 /* brute force for now, just re-enumerate the regions */
2787 scan_xrandr(i);
2788
2789 /* hide any windows that went away */
2790 TAILQ_FOREACH(r, &screens[i].rl, entry)
2791 TAILQ_FOREACH(win, &r->ws->winlist, entry)
2792 XUnmapWindow(display, win->id);
2793 stack();
2794 }
2795
2796 void
2797 setup_screens(void)
2798 {
2799 Window d1, d2, *wins = NULL;
2800 XWindowAttributes wa;
2801 unsigned int no;
2802 int i, j, k;
2803 int errorbase, major, minor;
2804 struct workspace *ws;
2805 int ws_idx_atom;
2806
2807
2808 if ((screens = calloc(ScreenCount(display),
2809 sizeof(struct swm_screen))) == NULL)
2810 errx(1, "calloc: screens");
2811
2812 ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2813
2814 /* initial Xrandr setup */
2815 xrandr_support = XRRQueryExtension(display,
2816 &xrandr_eventbase, &errorbase);
2817 if (xrandr_support)
2818 if (XRRQueryVersion(display, &major, &minor) && major < 1)
2819 xrandr_support = 0;
2820
2821 /* map physical screens */
2822 for (i = 0; i < ScreenCount(display); i++) {
2823 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
2824 screens[i].idx = i;
2825 TAILQ_INIT(&screens[i].rl);
2826 TAILQ_INIT(&screens[i].orl);
2827 screens[i].root = RootWindow(display, i);
2828
2829 /* set default colors */
2830 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
2831 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
2832 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
2833 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
2834 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
2835
2836 /* init all workspaces */
2837 /* XXX these should be dynamically allocated too */
2838 for (j = 0; j < SWM_WS_MAX; j++) {
2839 ws = &screens[i].ws[j];
2840 ws->idx = j;
2841 ws->restack = 1;
2842 ws->focus = NULL;
2843 ws->r = NULL;
2844 TAILQ_INIT(&ws->winlist);
2845
2846 for (k = 0; layouts[k].l_stack != NULL; k++)
2847 if (layouts[k].l_config != NULL)
2848 layouts[k].l_config(ws,
2849 SWM_ARG_ID_STACKINIT);
2850 ws->cur_layout = &layouts[0];
2851 }
2852 /* grab existing windows (before we build the bars)*/
2853 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
2854 continue;
2855
2856 scan_xrandr(i);
2857
2858 if (xrandr_support)
2859 XRRSelectInput(display, screens[i].root,
2860 RRScreenChangeNotifyMask);
2861
2862 /* attach windows to a region */
2863 /* normal windows */
2864 for (j = 0; j < no; j++) {
2865 XGetWindowAttributes(display, wins[j], &wa);
2866 if (!XGetWindowAttributes(display, wins[j], &wa) ||
2867 wa.override_redirect ||
2868 XGetTransientForHint(display, wins[j], &d1))
2869 continue;
2870
2871 if (wa.map_state == IsViewable ||
2872 getstate(wins[j]) == NormalState)
2873 manage_window(wins[j]);
2874 }
2875 /* transient windows */
2876 for (j = 0; j < no; j++) {
2877 if (!XGetWindowAttributes(display, wins[j], &wa))
2878 continue;
2879
2880 if (XGetTransientForHint(display, wins[j], &d1) &&
2881 (wa.map_state == IsViewable || getstate(wins[j]) ==
2882 NormalState))
2883 manage_window(wins[j]);
2884 }
2885 if (wins) {
2886 XFree(wins);
2887 wins = NULL;
2888 }
2889 }
2890 }
2891
2892 int
2893 main(int argc, char *argv[])
2894 {
2895 struct passwd *pwd;
2896 struct swm_region *r;
2897 char conf[PATH_MAX], *cfile = NULL;
2898 struct stat sb;
2899 XEvent e;
2900 int xfd, i;
2901 fd_set rd;
2902
2903 start_argv = argv;
2904 fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
2905 SWM_VERSION, cvstag);
2906 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2907 warnx("no locale support");
2908
2909 if (!(display = XOpenDisplay(0)))
2910 errx(1, "can not open display");
2911
2912 if (active_wm())
2913 errx(1, "other wm running");
2914
2915 astate = XInternAtom(display, "WM_STATE", False);
2916 aprot = XInternAtom(display, "WM_PROTOCOLS", False);
2917 adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
2918
2919 /* look for local and global conf file */
2920 pwd = getpwuid(getuid());
2921 if (pwd == NULL)
2922 errx(1, "invalid user %d", getuid());
2923
2924 setup_screens();
2925
2926 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
2927 if (stat(conf, &sb) != -1) {
2928 if (S_ISREG(sb.st_mode))
2929 cfile = conf;
2930 } else {
2931 /* try global conf file */
2932 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
2933 if (!stat(conf, &sb))
2934 if (S_ISREG(sb.st_mode))
2935 cfile = conf;
2936 }
2937 if (cfile)
2938 conf_load(cfile);
2939
2940 /* setup all bars */
2941 for (i = 0; i < ScreenCount(display); i++)
2942 TAILQ_FOREACH(r, &screens[i].rl, entry)
2943 bar_setup(r);
2944
2945 /* ws[0].focus = TAILQ_FIRST(&ws[0].winlist); */
2946
2947 grabkeys();
2948 stack();
2949
2950 xfd = ConnectionNumber(display);
2951 while (running) {
2952 FD_ZERO(&rd);
2953 FD_SET(xfd, &rd);
2954 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
2955 if (errno != EINTR)
2956 errx(1, "select failed");
2957 if (bar_alarm) {
2958 bar_alarm = 0;
2959 bar_update();
2960 }
2961 while (XPending(display)) {
2962 XNextEvent(display, &e);
2963 if (e.type < LASTEvent) {
2964 if (handler[e.type])
2965 handler[e.type](&e);
2966 else
2967 DNPRINTF(SWM_D_EVENT,
2968 "win: %lu unknown event: %d\n",
2969 e.xany.window, e.type);
2970 } else {
2971 switch (e.type - xrandr_eventbase) {
2972 case RRScreenChangeNotify:
2973 screenchange(&e);
2974 break;
2975 default:
2976 DNPRINTF(SWM_D_EVENT,
2977 "win: %lu unknown xrandr event: "
2978 "%d\n", e.xany.window, e.type);
2979 break;
2980 }
2981 }
2982 }
2983 }
2984
2985 XCloseDisplay(display);
2986
2987 return (0);
2988 }
spectrwm is a small dynamic tiling and reparenting window manager for X11