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"
62 #include <sys/types.h>
64 #include <sys/queue.h>
66 #include <X11/cursorfont.h>
67 #include <X11/keysym.h>
68 #include <X11/Xatom.h>
70 #include <X11/Xproto.h>
71 #include <X11/Xutil.h>
73 /* #define SWM_DEBUG */
75 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
76 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
77 #define SWM_D_EVENT 0x0001
78 #define SWM_D_WS 0x0002
79 #define SWM_D_FOCUS 0x0004
80 #define SWM_D_MISC 0x0008
82 uint32_t swm_debug = 0
90 #define DNPRINTF(n,x...)
93 #define LENGTH(x) (sizeof x / sizeof x[0])
94 #define MODKEY Mod1Mask
95 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
97 int (*xerrorxlib)(Display *, XErrorEvent *);
102 int ignore_enter = 0;
103 unsigned int numlockmask = 0;
104 unsigned long col_focus = 0xff0000; /* XXX should this be per ws? */
105 unsigned long col_unfocus = 0x888888;
119 TAILQ_ENTRY(ws_win) entry;
127 TAILQ_HEAD(ws_win_list, ws_win);
129 /* define work spaces */
130 #define SWM_WS_MAX (10)
132 int visible; /* workspace visible */
133 int restack; /* restack on switch */
134 struct ws_win *focus; /* which win has focus */
135 int winno; /* total nr of windows */
136 struct ws_win_list winlist; /* list of windows in ws */
140 /* args to functions */
143 #define SWM_ARG_ID_FOCUSNEXT (0)
144 #define SWM_ARG_ID_FOCUSPREV (1)
145 #define SWM_ARG_ID_FOCUSMAIN (2)
158 if (bar_enabled == 0)
162 XSetForeground(display, bar_gc, 0x000000);
163 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
168 localtime_r(&tmt, &tm);
169 strftime(bar_text, sizeof bar_text, "%a %b %d %R %Z %Y", &tm);
170 XSetForeground(display, bar_gc, 0xa0a0a0);
171 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
173 XSync(display, False);
181 /* XXX yeah yeah byte me */
186 bar_toggle(union arg *args)
190 DNPRINTF(SWM_D_MISC, "bar_toggle\n");
194 height += bar_height; /* correct screen height */
195 XUnmapWindow(display, bar_window);
198 height -= bar_height; /* correct screen height */
199 XMapWindow(display, bar_window);
201 XSync(display, False);
202 for (i = 0; i < SWM_WS_MAX; i++)
206 bar_print(); /* must be after stack */
210 quit(union arg *args)
212 DNPRINTF(SWM_D_MISC, "quit\n");
217 spawn(union arg *args)
219 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
221 * The double-fork construct avoids zombie processes and keeps the code
222 * clean from stupid signal handlers.
227 close(ConnectionNumber(display));
229 execvp(args->argv[0], args->argv);
230 fprintf(stderr, "execvp failed\n");
239 focus_win(struct ws_win *win)
241 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win->id);
242 XSetWindowBorder(display, win->id, col_focus);
243 XSetInputFocus(display, win->id, RevertToPointerRoot, CurrentTime);
244 ws[current_ws].focus = win;
248 unfocus_win(struct ws_win *win)
250 DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", win->id);
251 XSetWindowBorder(display, win->id, col_unfocus);
252 if (ws[current_ws].focus == win)
253 ws[current_ws].focus = NULL;
257 switchws(union arg *args)
262 DNPRINTF(SWM_D_WS, "switchws: %d\n", wsid + 1);
264 if (wsid == current_ws)
267 /* map new window first to prevent ugly blinking */
268 TAILQ_FOREACH (win, &ws[wsid].winlist, entry)
269 XMapWindow(display, win->id);
270 ws[wsid].visible = 1;
272 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry)
273 XUnmapWindow(display, win->id);
274 ws[current_ws].visible = 0;
279 if (ws[wsid].restack) {
283 if (ws[wsid].focus != NULL)
284 focus_win(ws[wsid].focus);
285 XSync(display, False);
290 focus(union arg *args)
292 struct ws_win *winfocus, *winlostfocus;
294 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
295 if (ws[current_ws].focus == NULL || ws[current_ws].winno == 0)
298 winlostfocus = ws[current_ws].focus;
301 case SWM_ARG_ID_FOCUSPREV:
302 ws[current_ws].focus =
303 TAILQ_PREV(ws[current_ws].focus, ws_win_list, entry);
304 if (ws[current_ws].focus == NULL)
305 ws[current_ws].focus =
306 TAILQ_LAST(&ws[current_ws].winlist, ws_win_list);
309 case SWM_ARG_ID_FOCUSNEXT:
310 ws[current_ws].focus = TAILQ_NEXT(ws[current_ws].focus, entry);
311 if (ws[current_ws].focus == NULL)
312 ws[current_ws].focus =
313 TAILQ_FIRST(&ws[current_ws].winlist);
316 case SWM_ARG_ID_FOCUSMAIN:
317 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
324 winfocus = ws[current_ws].focus;
325 unfocus_win(winlostfocus);
327 XSync(display, False);
330 /* I know this sucks but it works well enough */
335 struct ws_win wf, *win, *winfocus = &wf;
336 int i, h, w, x, y, hrh;
338 DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
342 ws[current_ws].restack = 0;
344 if (ws[current_ws].winno == 0)
347 if (ws[current_ws].winno > 1)
352 if (ws[current_ws].winno > 2)
353 hrh = height / (ws[current_ws].winno - 1);
358 y = bar_enabled ? bar_height : 0;
361 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
366 if (i != 0 && hrh != 0) {
367 /* correct the last window for lost pixels */
368 if (win == TAILQ_LAST(&ws[current_ws].winlist,
370 h = height - (i * hrh);
378 /* leave first right hand window at y = 0 */
384 bzero(&wc, sizeof wc);
387 win->width = wc.width = w;
388 win->height = wc.height = h;
390 XConfigureWindow(display, win->id, CWX | CWY | CWWidth |
391 CWHeight | CWBorderWidth, &wc);
392 if (win == ws[current_ws].focus)
396 XMapWindow(display, win->id);
400 focus_win(winfocus); /* this has to be done outside of the loop */
401 XSync(display, False);
405 swap_to_main(union arg *args)
407 struct ws_win *tmpwin = TAILQ_FIRST(&ws[current_ws].winlist);
409 DNPRINTF(SWM_D_MISC, "swap_to_main: win: %lu\n",
410 ws[current_ws].focus ? ws[current_ws].focus->id : 0);
412 if (ws[current_ws].focus == NULL || ws[current_ws].focus == tmpwin)
415 TAILQ_REMOVE(&ws[current_ws].winlist, tmpwin, entry);
416 TAILQ_INSERT_AFTER(&ws[current_ws].winlist, ws[current_ws].focus,
418 TAILQ_REMOVE(&ws[current_ws].winlist, ws[current_ws].focus, entry);
419 TAILQ_INSERT_HEAD(&ws[current_ws].winlist, ws[current_ws].focus, entry);
420 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
426 send_to_ws(union arg *args)
429 struct ws_win *win = ws[current_ws].focus;
431 DNPRINTF(SWM_D_WS, "send_to_ws: win: %lu\n", win->id);
433 XUnmapWindow(display, win->id);
435 /* find a window to focus */
436 ws[current_ws].focus = TAILQ_PREV(win, ws_win_list,entry);
437 if (ws[current_ws].focus == NULL)
438 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
440 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
441 ws[current_ws].winno--;
443 TAILQ_INSERT_TAIL(&ws[wsid].winlist, win, entry);
444 if (ws[wsid].winno == 0)
445 ws[wsid].focus = win;
447 ws[wsid].restack = 1;
452 /* terminal + args */
453 char *term[] = { "xterm", NULL };
455 /* key definitions */
459 void (*func)(union arg *);
462 /* modifier key function argument */
463 { MODKEY, XK_Return, swap_to_main, {0} },
464 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = term } },
465 { MODKEY | ShiftMask, XK_q, quit, {0} },
466 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
467 { MODKEY, XK_1, switchws, {.id = 0} },
468 { MODKEY, XK_2, switchws, {.id = 1} },
469 { MODKEY, XK_3, switchws, {.id = 2} },
470 { MODKEY, XK_4, switchws, {.id = 3} },
471 { MODKEY, XK_5, switchws, {.id = 4} },
472 { MODKEY, XK_6, switchws, {.id = 5} },
473 { MODKEY, XK_7, switchws, {.id = 6} },
474 { MODKEY, XK_8, switchws, {.id = 7} },
475 { MODKEY, XK_9, switchws, {.id = 8} },
476 { MODKEY, XK_0, switchws, {.id = 9} },
477 { MODKEY | ShiftMask, XK_1, send_to_ws, {.id = 0} },
478 { MODKEY | ShiftMask, XK_2, send_to_ws, {.id = 1} },
479 { MODKEY | ShiftMask, XK_3, send_to_ws, {.id = 2} },
480 { MODKEY | ShiftMask, XK_4, send_to_ws, {.id = 3} },
481 { MODKEY | ShiftMask, XK_5, send_to_ws, {.id = 4} },
482 { MODKEY | ShiftMask, XK_6, send_to_ws, {.id = 5} },
483 { MODKEY | ShiftMask, XK_7, send_to_ws, {.id = 6} },
484 { MODKEY | ShiftMask, XK_8, send_to_ws, {.id = 7} },
485 { MODKEY | ShiftMask, XK_9, send_to_ws, {.id = 8} },
486 { MODKEY | ShiftMask, XK_0, send_to_ws, {.id = 9} },
487 { MODKEY, XK_b, bar_toggle, {0} },
488 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
489 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
493 updatenumlockmask(void)
496 XModifierKeymap *modmap;
498 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
500 modmap = XGetModifierMapping(display);
501 for (i = 0; i < 8; i++)
502 for (j = 0; j < modmap->max_keypermod; j++)
503 if (modmap->modifiermap[i * modmap->max_keypermod + j]
504 == XKeysymToKeycode(display, XK_Num_Lock))
505 numlockmask = (1 << i);
507 XFreeModifiermap(modmap);
515 unsigned int modifiers[] =
516 { 0, LockMask, numlockmask, numlockmask | LockMask };
518 DNPRINTF(SWM_D_MISC, "grabkeys\n");
521 XUngrabKey(display, AnyKey, AnyModifier, root);
522 for(i = 0; i < LENGTH(keys); i++) {
523 if((code = XKeysymToKeycode(display, keys[i].keysym)))
524 for(j = 0; j < LENGTH(modifiers); j++)
525 XGrabKey(display, code,
526 keys[i].mod | modifiers[j], root,
527 True, GrabModeAsync, GrabModeAsync);
533 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
541 XKeyEvent *ev = &e->xkey;
543 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
545 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
546 for(i = 0; i < LENGTH(keys); i++)
547 if(keysym == keys[i].keysym
548 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
550 keys[i].func(&(keys[i].args));
554 buttonpress(XEvent *e)
556 XButtonPressedEvent *ev = &e->xbutton;
557 #ifdef SWM_CLICKTOFOCUS
562 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
564 if (ev->window == root)
566 if (ev->window == ws[current_ws].focus->id)
568 #ifdef SWM_CLICKTOFOCUS
569 TAILQ_FOREACH(win, &ws[current_ws].winlist, entry)
570 if (win->id == ev->window) {
571 /* focus in the clicked window */
572 XSetWindowBorder(display, ev->window, 0xff0000);
573 XSetWindowBorder(display,
574 ws[current_ws].focus->id, 0x888888);
575 XSetInputFocus(display, ev->window, RevertToPointerRoot,
577 ws[current_ws].focus = win;
578 XSync(display, False);
585 configurerequest(XEvent *e)
587 XConfigureRequestEvent *ev = &e->xconfigurerequest;
590 DNPRINTF(SWM_D_EVENT, "configurerequest: window: %lu\n", ev->window);
592 XSelectInput(display, ev->window, ButtonPressMask | EnterWindowMask |
595 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
596 errx(1, "calloc: failed to allocate memory for new window");
598 win->id = ev->window;
599 TAILQ_INSERT_TAIL(&ws[current_ws].winlist, win, entry);
600 ws[current_ws].focus = win; /* make new win focused */
601 ws[current_ws].winno++;
606 configurenotify(XEvent *e)
608 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
609 e->xconfigure.window);
613 destroynotify(XEvent *e)
616 XDestroyWindowEvent *ev = &e->xdestroywindow;
618 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
620 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
621 if (ev->window == win->id) {
622 /* find a window to focus */
623 ws[current_ws].focus =
624 TAILQ_PREV(win, ws_win_list,entry);
625 if (ws[current_ws].focus == NULL)
626 ws[current_ws].focus =
627 TAILQ_FIRST(&ws[current_ws].winlist);
629 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
631 ws[current_ws].winno--;
640 enternotify(XEvent *e)
642 XCrossingEvent *ev = &e->xcrossing;
645 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
647 if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
651 /* eat event(s) to prevent autofocus */
655 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
656 if (win->id == ev->window)
666 XFocusChangeEvent *ev = &e->xfocus;
668 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", ev->window);
670 if (ev->window == root)
674 * kill grab for now so that we can cut and paste , this screws up
678 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
679 XGrabButton(display, Button1, AnyModifier, ev->window, False,
680 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
685 mappingnotify(XEvent *e)
687 XMappingEvent *ev = &e->xmapping;
689 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
691 XRefreshKeyboardMapping(ev);
692 if(ev->request == MappingKeyboard)
697 maprequest(XEvent *e)
699 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
700 e->xmaprequest.window);
704 propertynotify(XEvent *e)
706 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
707 e->xproperty.window);
711 unmapnotify(XEvent *e)
713 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
716 void (*handler[LASTEvent])(XEvent *) = {
718 [KeyPress] = keypress,
719 [ButtonPress] = buttonpress,
720 [ConfigureRequest] = configurerequest,
721 [ConfigureNotify] = configurenotify,
722 [DestroyNotify] = destroynotify,
723 [EnterNotify] = enternotify,
725 [MappingNotify] = mappingnotify,
726 [MapRequest] = maprequest,
727 [PropertyNotify] = propertynotify,
728 [UnmapNotify] = unmapnotify,
732 xerror_start(Display *d, XErrorEvent *ee)
739 xerror(Display *d, XErrorEvent *ee)
741 fprintf(stderr, "error: %p %p\n", display, ee);
750 xerrorxlib = XSetErrorHandler(xerror_start);
752 /* this causes an error if some other window manager is running */
753 XSelectInput(display, DefaultRootWindow(display),
754 SubstructureRedirectMask);
755 XSync(display, False);
759 XSetErrorHandler(xerror);
760 XSync(display, False);
765 main(int argc, char *argv[])
770 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
771 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
772 warnx("no locale support");
774 if(!(display = XOpenDisplay(0)))
775 errx(1, "can not open display");
778 errx(1, "other wm running");
780 screen = DefaultScreen(display);
781 root = RootWindow(display, screen);
782 width = DisplayWidth(display, screen) - 2;
783 height = DisplayHeight(display, screen) - 2;
785 /* make work space 1 active */
790 TAILQ_INIT(&ws[0].winlist);
791 for (i = 1; i < SWM_WS_MAX; i++) {
796 TAILQ_INIT(&ws[i].winlist);
799 /* setup status bar */
800 bar_fs = XLoadQueryFont(display,
801 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*");
802 if (bar_fs == NULL) {
803 /* load a font that is default */
804 bar_fs = XLoadQueryFont(display,
805 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*");
807 errx(1, "couldn't load font");
809 bar_height = bar_fs->ascent + bar_fs->descent + 3;
811 XSelectInput(display, root, SubstructureRedirectMask |
812 SubstructureNotifyMask | ButtonPressMask | KeyPressMask |
813 EnterWindowMask | LeaveWindowMask | StructureNotifyMask |
814 FocusChangeMask | PropertyChangeMask);
818 bar_window = XCreateSimpleWindow(display, root, 0, 0, width,
819 bar_height - 2, 1, 0x008080, 0x000000);
820 bar_gc = XCreateGC(display, bar_window, 0, &bar_gcv);
821 XSetFont(display, bar_gc, bar_fs->fid);
823 height -= bar_height; /* correct screen height */
824 XMapWindow(display, bar_window);
827 if (signal(SIGALRM, bar_signal) == SIG_ERR)
828 err(1, "could not install bar_signal");
832 XNextEvent(display, &e);
837 XCloseDisplay(display);