3 * Copyright (c) 2009 Marco Peereboom <marco@peereboom.us>
4 * Copyright (c) 2009 Ryan McBride <mcbride@countersiege.com>
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.
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.
19 * Much code and ideas taken from dwm under the following license:
20 * MIT/X Consortium License
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>
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:
39 * The above copyright notice and this permission notice shall be included in
40 * all copies or substantial portions of the Software.
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.
51 #define SWM_VERSION "0.5"
64 #include <sys/types.h>
67 #include <sys/queue.h>
68 #include <sys/param.h>
70 #include <X11/cursorfont.h>
71 #include <X11/keysym.h>
72 #include <X11/Xatom.h>
74 #include <X11/Xproto.h>
75 #include <X11/Xutil.h>
77 /* #define SWM_DEBUG */
79 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
80 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
81 #define SWM_D_MISC 0x8001
82 #define SWM_D_EVENT 0x0002
83 #define SWM_D_WS 0x0004
84 #define SWM_D_FOCUS 0x0008
85 #define SWM_D_MOVE 0x0010
87 u_int32_t swm_debug = 0
96 #define DNPRINTF(n,x...)
99 #define LENGTH(x) (sizeof x / sizeof x[0])
100 #define MODKEY Mod1Mask
101 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
103 int (*xerrorxlib)(Display *, XErrorEvent *);
108 int ignore_enter = 0;
109 unsigned int numlockmask = 0;
110 unsigned long color_focus = 0xff0000; /* XXX should this be per ws? */
111 unsigned long color_unfocus = 0x888888;
118 unsigned long bar_border = 0x008080;
119 unsigned long bar_color = 0x000000;
120 unsigned long bar_font_color = 0xa0a0a0;
126 char *bar_fonts[] = {
127 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*",
128 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*",
132 /* terminal + args */
133 char *spawn_term[] = { "xterm", NULL };
134 char *spawn_menu[] = { "dmenu_run", NULL };
135 char *spawn_scrotwm[] = { "scrotwm", NULL };
138 TAILQ_ENTRY(ws_win) entry;
146 XWindowAttributes wa;
149 TAILQ_HEAD(ws_win_list, ws_win);
151 /* define work spaces */
152 #define SWM_WS_MAX (10)
154 int visible; /* workspace visible */
155 int restack; /* restack on switch */
156 struct ws_win *focus; /* which win has focus */
157 struct ws_win_list winlist; /* list of windows in ws */
161 /* args to functions */
164 #define SWM_ARG_ID_FOCUSNEXT (0)
165 #define SWM_ARG_ID_FOCUSPREV (1)
166 #define SWM_ARG_ID_FOCUSMAIN (2)
167 #define SWM_ARG_ID_SWAPNEXT (3)
168 #define SWM_ARG_ID_SWAPPREV (4)
169 #define SWM_ARG_ID_SWAPMAIN (5)
176 #define SWM_CONF_WS "\n= \t"
177 #define SWM_CONF_FILE "scrotwm.conf"
179 conf_load(char *filename)
182 char *line, *cp, *var, *val;
183 size_t len, lineno = 0;
185 DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
187 if (filename == NULL)
190 if ((config = fopen(filename, "r")) == NULL)
194 if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
198 cp += (long)strspn(cp, SWM_CONF_WS);
204 if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
206 cp += (long)strspn(cp, SWM_CONF_WS);
207 if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
210 DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
213 if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
214 bar_enabled = atoi(val);
215 else if (!strncmp(var, "bar_border",
216 strlen("bar_border")))
217 bar_border = strtol(val, NULL, 16);
218 else if (!strncmp(var, "bar_color",
219 strlen("bar_color")))
220 bar_color = strtol(val, NULL, 16);
221 else if (!strncmp(var, "bar_font_color",
222 strlen("bar_font_color")))
223 bar_font_color = strtol(val, NULL, 16);
224 else if (!strncmp(var, "bar_font", strlen("bar_font")))
225 asprintf(&bar_fonts[0], "%s", val);
231 if (!strncmp(var, "color_focus", strlen("color_focus")))
232 color_focus = strtol(val, NULL, 16);
233 else if (!strncmp(var, "color_unfocus",
234 strlen("color_unfocus")))
235 color_unfocus = strtol(val, NULL, 16);
241 if (!strncmp(var, "spawn_term", strlen("spawn_term")))
242 asprintf(&spawn_term[0], "%s", val); /* XXX args? */
253 errx(1, "invalid conf file entry: %s=%s", var, val);
262 if (bar_enabled == 0)
266 XSetForeground(display, bar_gc, bar_color);
267 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
272 localtime_r(&tmt, &tm);
273 strftime(bar_text, sizeof bar_text, "%a %b %d %R %Z %Y", &tm);
274 XSetForeground(display, bar_gc, bar_font_color);
275 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
277 XSync(display, False);
285 /* XXX yeah yeah byte me */
290 bar_toggle(union arg *args)
294 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
298 height += bar_height; /* correct screen height */
299 XUnmapWindow(display, bar_window);
302 height -= bar_height; /* correct screen height */
303 XMapWindow(display, bar_window);
305 XSync(display, False);
306 for (i = 0; i < SWM_WS_MAX; i++)
310 bar_print(); /* must be after stack */
318 for (i = 0; bar_fonts[i] != NULL; i++) {
319 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
323 if (bar_fonts[i] == NULL)
324 errx(1, "couldn't load font");
325 bar_height = bar_fs->ascent + bar_fs->descent + 3;
327 bar_window = XCreateSimpleWindow(display, root, 0, 0, width,
328 bar_height - 2, 1, bar_border, bar_color);
329 bar_gc = XCreateGC(display, bar_window, 0, &bar_gcv);
330 XSetFont(display, bar_gc, bar_fs->fid);
331 XSelectInput(display, bar_window, VisibilityChangeMask);
333 height -= bar_height; /* correct screen height */
334 XMapWindow(display, bar_window);
336 DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %d\n", (int)bar_window);
338 if (signal(SIGALRM, bar_signal) == SIG_ERR)
339 err(1, "could not install bar_signal");
344 count_win(int wsid, int count_transient)
349 TAILQ_FOREACH (win, &ws[wsid].winlist, entry) {
350 if (count_transient == 0 && win->transient)
354 DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
359 quit(union arg *args)
361 DNPRINTF(SWM_D_MISC, "quit\n");
367 restart(union arg *args)
369 XCloseDisplay(display);
370 execvp(args->argv[0], args->argv);
371 fprintf(stderr, "execvp failed\n");
377 spawn(union arg *args)
379 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
381 * The double-fork construct avoids zombie processes and keeps the code
382 * clean from stupid signal handlers.
387 close(ConnectionNumber(display));
389 execvp(args->argv[0], args->argv);
390 fprintf(stderr, "execvp failed\n");
399 focus_win(struct ws_win *win)
401 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win->id);
402 XSetWindowBorder(display, win->id, color_focus);
403 XSetInputFocus(display, win->id, RevertToPointerRoot, CurrentTime);
404 ws[current_ws].focus = win;
408 unfocus_win(struct ws_win *win)
410 DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", win->id);
411 XSetWindowBorder(display, win->id, color_unfocus);
412 if (ws[current_ws].focus == win)
413 ws[current_ws].focus = NULL;
417 switchws(union arg *args)
422 DNPRINTF(SWM_D_WS, "switchws: %d\n", wsid + 1);
424 if (wsid == current_ws)
427 /* map new window first to prevent ugly blinking */
428 TAILQ_FOREACH (win, &ws[wsid].winlist, entry)
429 XMapRaised(display, win->id);
430 ws[wsid].visible = 1;
432 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry)
433 XUnmapWindow(display, win->id);
434 ws[current_ws].visible = 0;
439 if (ws[wsid].restack) {
443 if (ws[wsid].focus != NULL)
444 focus_win(ws[wsid].focus);
445 XSync(display, False);
450 swapwin(union arg *args)
452 struct ws_win *target;
454 DNPRINTF(SWM_D_MOVE, "swapwin: id %d\n", args->id);
455 if (ws[current_ws].focus == NULL)
459 case SWM_ARG_ID_SWAPPREV:
460 target = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
461 TAILQ_REMOVE(&ws[current_ws].winlist,
462 ws[current_ws].focus, entry);
464 TAILQ_INSERT_TAIL(&ws[current_ws].winlist,
465 ws[current_ws].focus, entry);
467 TAILQ_INSERT_BEFORE(target, ws[current_ws].focus,
470 case SWM_ARG_ID_SWAPNEXT:
471 target = TAILQ_NEXT(ws[current_ws].focus, entry);
472 TAILQ_REMOVE(&ws[current_ws].winlist,
473 ws[current_ws].focus, entry);
475 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
476 ws[current_ws].focus, entry);
478 TAILQ_INSERT_AFTER(&ws[current_ws].winlist, target,
479 ws[current_ws].focus, entry);
481 case SWM_ARG_ID_SWAPMAIN:
482 target = TAILQ_FIRST(&ws[current_ws].winlist);
483 if (target == ws[current_ws].focus)
485 TAILQ_REMOVE(&ws[current_ws].winlist, target, entry);
486 TAILQ_INSERT_BEFORE(ws[current_ws].focus, target, entry);
487 TAILQ_REMOVE(&ws[current_ws].winlist,
488 ws[current_ws].focus, entry);
489 TAILQ_INSERT_HEAD(&ws[current_ws].winlist,
490 ws[current_ws].focus, entry);
493 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
502 focus(union arg *args)
504 struct ws_win *winfocus, *winlostfocus;
506 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
507 if (ws[current_ws].focus == NULL)
510 winlostfocus = ws[current_ws].focus;
513 case SWM_ARG_ID_FOCUSPREV:
514 winfocus = TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
515 if (winfocus == NULL)
517 TAILQ_LAST(&ws[current_ws].winlist, ws_win_list);
520 case SWM_ARG_ID_FOCUSNEXT:
521 winfocus = TAILQ_NEXT(ws[current_ws].focus, entry);
522 if (winfocus == NULL)
523 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
526 case SWM_ARG_ID_FOCUSMAIN:
527 winfocus = TAILQ_FIRST(&ws[current_ws].winlist);
534 if (winfocus == winlostfocus)
537 unfocus_win(winlostfocus);
539 XSync(display, False);
542 /* I know this sucks but it works well enough */
547 struct ws_win wf, *win, *winfocus = &wf;
548 int i, h, w, x, y, hrh, winno;
552 DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
556 ws[current_ws].restack = 0;
558 winno = count_win(current_ws, 0);
568 hrh = height / (winno - 1);
573 y = bar_enabled ? bar_height : 0;
576 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
581 if (i != 0 && hrh != 0) {
582 /* correct the last window for lost pixels */
583 if (win == TAILQ_LAST(&ws[current_ws].winlist,
585 h = height - (i * hrh);
593 /* leave first right hand window at y = 0 */
599 if (win->transient != 0 || win->floating != 0)
604 bzero(&wc, sizeof wc);
609 win->width = wc.width = w;
610 win->height = wc.height = h;
611 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
613 /* make sure we don't clobber the screen */
614 if (win->wa.width > width)
615 win->wa.width = width;
616 if (win->wa.height > height)
617 win->wa.width = height;
618 win->x = wc.x = (width - win->wa.width) / 2;
619 win->y = wc.y = (height - win->wa.height) / 2;
620 mask = CWX | CWY | CWBorderWidth;
622 XConfigureWindow(display, win->id, mask, &wc);
624 if (win == ws[current_ws].focus)
628 XMapRaised(display, win->id);
632 focus_win(winfocus); /* this has to be done outside of the loop */
633 XSync(display, False);
637 send_to_ws(union arg *args)
640 struct ws_win *win = ws[current_ws].focus;
642 DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
644 XUnmapWindow(display, win->id);
646 /* find a window to focus */
647 ws[current_ws].focus = TAILQ_PREV(win, ws_win_list, entry);
648 if (ws[current_ws].focus == NULL)
649 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
650 if (ws[current_ws].focus == win)
651 ws[current_ws].focus = NULL;
653 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
655 TAILQ_INSERT_TAIL(&ws[wsid].winlist, win, entry);
656 if (count_win(wsid, 1) == 0)
657 ws[wsid].focus = win;
658 ws[wsid].restack = 1;
663 /* key definitions */
667 void (*func)(union arg *);
670 /* modifier key function argument */
671 { MODKEY, XK_Return, swapwin, {.id = SWM_ARG_ID_SWAPMAIN} },
672 { MODKEY, XK_j, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
673 { MODKEY, XK_k, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
674 { MODKEY | ShiftMask, XK_j, swapwin, {.id = SWM_ARG_ID_SWAPNEXT} },
675 { MODKEY | ShiftMask, XK_k, swapwin, {.id = SWM_ARG_ID_SWAPPREV} },
676 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = spawn_term} },
677 { MODKEY, XK_p, spawn, {.argv = spawn_menu} },
678 { MODKEY | ShiftMask, XK_q, quit, {0} },
679 { MODKEY, XK_q, restart, {.argv = spawn_scrotwm } },
680 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
681 { MODKEY, XK_1, switchws, {.id = 0} },
682 { MODKEY, XK_2, switchws, {.id = 1} },
683 { MODKEY, XK_3, switchws, {.id = 2} },
684 { MODKEY, XK_4, switchws, {.id = 3} },
685 { MODKEY, XK_5, switchws, {.id = 4} },
686 { MODKEY, XK_6, switchws, {.id = 5} },
687 { MODKEY, XK_7, switchws, {.id = 6} },
688 { MODKEY, XK_8, switchws, {.id = 7} },
689 { MODKEY, XK_9, switchws, {.id = 8} },
690 { MODKEY, XK_0, switchws, {.id = 9} },
691 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
692 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
693 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
694 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
695 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
696 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
697 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
698 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
699 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
700 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
701 { MODKEY, XK_b, bar_toggle, {0} },
702 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
703 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
707 updatenumlockmask(void)
710 XModifierKeymap *modmap;
712 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
714 modmap = XGetModifierMapping(display);
715 for (i = 0; i < 8; i++)
716 for (j = 0; j < modmap->max_keypermod; j++)
717 if (modmap->modifiermap[i * modmap->max_keypermod + j]
718 == XKeysymToKeycode(display, XK_Num_Lock))
719 numlockmask = (1 << i);
721 XFreeModifiermap(modmap);
729 unsigned int modifiers[] =
730 { 0, LockMask, numlockmask, numlockmask | LockMask };
732 DNPRINTF(SWM_D_MISC, "grabkeys\n");
735 XUngrabKey(display, AnyKey, AnyModifier, root);
736 for(i = 0; i < LENGTH(keys); i++) {
737 if((code = XKeysymToKeycode(display, keys[i].keysym)))
738 for(j = 0; j < LENGTH(modifiers); j++)
739 XGrabKey(display, code,
740 keys[i].mod | modifiers[j], root,
741 True, GrabModeAsync, GrabModeAsync);
747 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
755 XKeyEvent *ev = &e->xkey;
757 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
759 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
760 for(i = 0; i < LENGTH(keys); i++)
761 if(keysym == keys[i].keysym
762 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
764 keys[i].func(&(keys[i].args));
768 buttonpress(XEvent *e)
770 XButtonPressedEvent *ev = &e->xbutton;
771 #ifdef SWM_CLICKTOFOCUS
776 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
778 if (ev->window == root)
780 if (ev->window == ws[current_ws].focus->id)
782 #ifdef SWM_CLICKTOFOCUS
783 TAILQ_FOREACH(win, &ws[current_ws].winlist, entry)
784 if (win->id == ev->window) {
785 /* focus in the clicked window */
786 XSetWindowBorder(display, ev->window, 0xff0000);
787 XSetWindowBorder(display,
788 ws[current_ws].focus->id, 0x888888);
789 XSetInputFocus(display, ev->window, RevertToPointerRoot,
791 ws[current_ws].focus = win;
792 XSync(display, False);
799 manage_window(Window id)
803 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
805 return (win); /* already being managed */
808 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
809 errx(1, "calloc: failed to allocate memory for new window");
812 TAILQ_INSERT_TAIL(&ws[current_ws].winlist, win, entry);
814 XSelectInput(display, id, ButtonPressMask | EnterWindowMask |
815 FocusChangeMask | ExposureMask);
822 configurerequest(XEvent *e)
824 XConfigureRequestEvent *ev = &e->xconfigurerequest;
828 DNPRINTF(SWM_D_EVENT, "configurerequest: window: %lu\n", ev->window);
831 win = manage_window(ev->window);
832 ws[current_ws].focus = win; /* make new win focused */
834 XGetTransientForHint(display, win->id, &trans);
836 win->transient = trans;
837 DNPRINTF(SWM_D_MISC, "configurerequest: win %u transient %u\n",
838 (unsigned)win->id, win->transient);
840 XGetWindowAttributes(display, win->id, &win->wa);
842 XClassHint ch = { 0 };
843 if(XGetClassHint(display, win->id, &ch)) {
844 fprintf(stderr, "class: %s name: %s\n", ch.res_class, ch.res_name);
845 if (!strcmp(ch.res_class, "Gvim") && !strcmp(ch.res_name, "gvim")) {
858 configurenotify(XEvent *e)
860 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
861 e->xconfigure.window);
865 destroynotify(XEvent *e)
868 XDestroyWindowEvent *ev = &e->xdestroywindow;
870 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
872 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
873 if (ev->window == win->id) {
874 /* find a window to focus */
875 ws[current_ws].focus = TAILQ_PREV(win,
877 if (ws[current_ws].focus == NULL)
878 ws[current_ws].focus =
879 TAILQ_FIRST(&ws[current_ws].winlist);
880 if (win == ws[current_ws].focus)
881 ws[current_ws].focus = NULL;
883 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
893 enternotify(XEvent *e)
895 XCrossingEvent *ev = &e->xcrossing;
898 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
900 if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
904 /* eat event(s) to prevent autofocus */
908 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
909 if (win->id == ev->window)
919 XFocusChangeEvent *ev = &e->xfocus;
921 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", ev->window);
923 XSync(display, False); /* not sure this helps redrawing graphic apps */
925 if (ev->window == root)
928 * kill grab for now so that we can cut and paste , this screws up
932 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
933 XGrabButton(display, Button1, AnyModifier, ev->window, False,
934 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
939 mappingnotify(XEvent *e)
941 XMappingEvent *ev = &e->xmapping;
943 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
945 XRefreshKeyboardMapping(ev);
946 if(ev->request == MappingKeyboard)
951 maprequest(XEvent *e)
953 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
954 e->xmaprequest.window);
956 manage_window(e->xmaprequest.window);
961 propertynotify(XEvent *e)
963 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
964 e->xproperty.window);
968 unmapnotify(XEvent *e)
970 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
974 visibilitynotify(XEvent *e)
976 DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n", e->xvisibility.window);
978 if (e->xvisibility.window == bar_window &&
979 e->xvisibility.state == VisibilityUnobscured)
983 void (*handler[LASTEvent])(XEvent *) = {
985 [KeyPress] = keypress,
986 [ButtonPress] = buttonpress,
987 [ConfigureRequest] = configurerequest,
988 [ConfigureNotify] = configurenotify,
989 [DestroyNotify] = destroynotify,
990 [EnterNotify] = enternotify,
992 [MappingNotify] = mappingnotify,
993 [MapRequest] = maprequest,
994 [PropertyNotify] = propertynotify,
995 [UnmapNotify] = unmapnotify,
996 [VisibilityNotify] = visibilitynotify,
1000 xerror_start(Display *d, XErrorEvent *ee)
1007 xerror(Display *d, XErrorEvent *ee)
1009 fprintf(stderr, "error: %p %p\n", display, ee);
1018 xerrorxlib = XSetErrorHandler(xerror_start);
1020 /* this causes an error if some other window manager is running */
1021 XSelectInput(display, DefaultRootWindow(display),
1022 SubstructureRedirectMask);
1023 XSync(display, False);
1027 XSetErrorHandler(xerror);
1028 XSync(display, False);
1033 main(int argc, char *argv[])
1036 char conf[PATH_MAX], *cfile = NULL;
1039 unsigned int i, num;
1040 Window d1, d2, *wins = NULL;
1041 XWindowAttributes wa;
1043 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
1044 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
1045 warnx("no locale support");
1047 if(!(display = XOpenDisplay(0)))
1048 errx(1, "can not open display");
1051 errx(1, "other wm running");
1053 screen = DefaultScreen(display);
1054 root = RootWindow(display, screen);
1055 width = DisplayWidth(display, screen) - 2;
1056 height = DisplayHeight(display, screen) - 2;
1058 /* look for local and global conf file */
1059 pwd = getpwuid(getuid());
1061 errx(1, "invalid user %d", getuid());
1063 snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
1064 if (stat(conf, &sb) != -1) {
1065 if (S_ISREG(sb.st_mode))
1068 /* try global conf file */
1069 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
1070 if (!stat(conf, &sb))
1071 if (S_ISREG(sb.st_mode))
1077 /* make work space 1 active */
1080 TAILQ_INIT(&ws[0].winlist);
1081 for (i = 1; i < SWM_WS_MAX; i++) {
1085 TAILQ_INIT(&ws[i].winlist);
1088 /* grab existing windows */
1089 if (XQueryTree(display, root, &d1, &d2, &wins, &num)) {
1090 for (i = 0; i < num; i++) {
1091 if (!XGetWindowAttributes(display, wins[i], &wa)
1092 || wa.override_redirect ||
1093 XGetTransientForHint(display, wins[i], &d1))
1095 manage_window(wins[i]);
1100 ws[0].focus = TAILQ_FIRST(&ws[0].winlist);
1102 /* setup status bar */
1105 XSelectInput(display, root, SubstructureRedirectMask |
1106 SubstructureNotifyMask | ButtonPressMask | KeyPressMask |
1107 EnterWindowMask | LeaveWindowMask | StructureNotifyMask |
1108 FocusChangeMask | PropertyChangeMask | ExposureMask);
1114 XNextEvent(display, &e);
1115 if (handler[e.type])
1116 handler[e.type](&e);
1119 XCloseDisplay(display);