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"
61 #include <sys/types.h>
63 #include <sys/queue.h>
65 #include <X11/cursorfont.h>
66 #include <X11/keysym.h>
67 #include <X11/Xatom.h>
69 #include <X11/Xproto.h>
70 #include <X11/Xutil.h>
72 /* #define SWM_DEBUG */
74 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
75 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
76 #define SWM_D_EVENT 0x0001
77 #define SWM_D_WS 0x0002
78 #define SWM_D_FOCUS 0x0004
79 #define SWM_D_MISC 0x0008
81 uint32_t swm_debug = 0
89 #define DNPRINTF(n,x...)
92 #define LENGTH(x) (sizeof x / sizeof x[0])
93 #define MODKEY Mod1Mask
94 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
96 int (*xerrorxlib)(Display *, XErrorEvent *);
101 int ignore_enter = 0;
102 unsigned int numlockmask = 0;
103 unsigned long col_focus = 0xff0000; /* XXX should this be per ws? */
104 unsigned long col_unfocus = 0x888888;
118 TAILQ_ENTRY(ws_win) entry;
126 TAILQ_HEAD(ws_win_list, ws_win);
128 /* define work spaces */
129 #define SWM_WS_MAX (10)
131 int visible; /* workspace visible */
132 struct ws_win *focus; /* which win has focus */
133 int winno; /* total nr of windows */
134 struct ws_win_list winlist;
138 /* args to functions */
141 #define SWM_ARG_ID_FOCUSNEXT (0)
142 #define SWM_ARG_ID_FOCUSPREV (1)
143 #define SWM_ARG_ID_FOCUSMAIN (2)
154 XSetForeground(display, bar_gc, 0x000000);
155 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
160 localtime_r(&tmt, &tm);
161 strftime(bar_text, sizeof bar_text, "%a %b %d %R %Z %Y", &tm);
162 XSetForeground(display, bar_gc, 0xa0a0a0);
163 XDrawString(display, bar_window, bar_gc, 4, bar_fs->ascent, bar_text,
165 XSync(display, False);
168 quit(union arg *args)
170 DNPRINTF(SWM_D_MISC, "quit\n");
175 spawn(union arg *args)
177 DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
179 * The double-fork construct avoids zombie processes and keeps the code
180 * clean from stupid signal handlers.
185 close(ConnectionNumber(display));
187 execvp(args->argv[0], args->argv);
188 fprintf(stderr, "execvp failed\n");
197 focus_win(struct ws_win *win)
199 DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win->id);
200 XSetWindowBorder(display, win->id, col_focus);
201 XSetInputFocus(display, win->id, RevertToPointerRoot, CurrentTime);
202 ws[current_ws].focus = win;
206 unfocus_win(struct ws_win *win)
208 DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", win->id);
209 XSetWindowBorder(display, win->id, col_unfocus);
210 if (ws[current_ws].focus == win)
211 ws[current_ws].focus = NULL;
215 switchws(union arg *args)
220 DNPRINTF(SWM_D_WS, "switchws: %d\n", wsid + 1);
222 if (wsid == current_ws)
225 /* map new window first to prevent ugly blinking */
226 TAILQ_FOREACH (win, &ws[wsid].winlist, entry)
227 XMapWindow(display, win->id);
228 ws[wsid].visible = 1;
230 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry)
231 XUnmapWindow(display, win->id);
232 ws[current_ws].visible = 0;
237 if (ws[wsid].focus != NULL)
238 focus_win(ws[wsid].focus);
239 XSync(display, False);
243 focus(union arg *args)
245 struct ws_win *winfocus, *winlostfocus;
247 DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
248 if (ws[current_ws].focus == NULL || ws[current_ws].winno == 0)
251 winlostfocus = ws[current_ws].focus;
254 case SWM_ARG_ID_FOCUSPREV:
255 if (ws[current_ws].focus ==
256 TAILQ_FIRST(&ws[current_ws].winlist))
257 ws[current_ws].focus =
258 TAILQ_LAST(&ws[current_ws].winlist, ws_win_list);
260 ws[current_ws].focus =TAILQ_PREV(ws[current_ws].focus,
264 case SWM_ARG_ID_FOCUSNEXT:
265 if (ws[current_ws].focus == TAILQ_LAST(&ws[current_ws].winlist,
267 ws[current_ws].focus =
268 TAILQ_FIRST(&ws[current_ws].winlist);
270 ws[current_ws].focus =
271 TAILQ_NEXT(ws[current_ws].focus, entry);
274 case SWM_ARG_ID_FOCUSMAIN:
275 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);;
282 winfocus = ws[current_ws].focus;
283 unfocus_win(winlostfocus);
285 XSync(display, False);
288 /* I know this sucks but it works well enough */
293 struct ws_win wf, *win, *winfocus = &wf;
294 int i, h, w, x, y, hrh;
296 DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
300 if (ws[current_ws].winno == 0)
303 if (ws[current_ws].winno > 1)
308 if (ws[current_ws].winno > 2)
309 hrh = height / (ws[current_ws].winno - 1);
317 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
322 if (i != 0 && hrh != 0) {
323 /* correct the last window for lost pixels */
324 if (win == TAILQ_LAST(&ws[current_ws].winlist,
326 h = height - (i * hrh);
334 /* leave first right hand window at y = 0 */
340 bzero(&wc, sizeof wc);
343 win->width = wc.width = w;
344 win->height = wc.height = h;
346 XConfigureWindow(display, win->id, CWX | CWY | CWWidth |
347 CWHeight | CWBorderWidth, &wc);
348 if (win == ws[current_ws].focus)
352 XMapWindow(display, win->id);
356 focus_win(winfocus); /* this has to be done outside of the loop */
357 XSync(display, False);
361 swap_to_main(union arg *args)
363 struct ws_win *tmpwin = TAILQ_FIRST(&ws[current_ws].winlist);
365 DNPRINTF(SWM_D_MISC, "swap_to_main: win: %lu\n",
366 ws[current_ws].focus->id);
368 TAILQ_REMOVE(&ws[current_ws].winlist, tmpwin, entry);
369 TAILQ_INSERT_AFTER(&ws[current_ws].winlist, ws[current_ws].focus,
371 TAILQ_REMOVE(&ws[current_ws].winlist, ws[current_ws].focus, entry);
372 TAILQ_INSERT_HEAD(&ws[current_ws].winlist, ws[current_ws].focus, entry);
373 ws[current_ws].focus = TAILQ_FIRST(&ws[current_ws].winlist);
378 /* terminal + args */
379 char *term[] = { "xterm", NULL };
381 /* key definitions */
385 void (*func)(union arg *);
388 /* modifier key function argument */
389 { MODKEY, XK_Return, swap_to_main, {0} },
390 { MODKEY | ShiftMask, XK_Return, spawn, {.argv = term } },
391 { MODKEY | ShiftMask, XK_q, quit, {0} },
392 { MODKEY, XK_m, focus, {.id = SWM_ARG_ID_FOCUSMAIN} },
393 { MODKEY, XK_1, switchws, {.id = 0} },
394 { MODKEY, XK_2, switchws, {.id = 1} },
395 { MODKEY, XK_3, switchws, {.id = 2} },
396 { MODKEY, XK_4, switchws, {.id = 3} },
397 { MODKEY, XK_5, switchws, {.id = 4} },
398 { MODKEY, XK_6, switchws, {.id = 5} },
399 { MODKEY, XK_7, switchws, {.id = 6} },
400 { MODKEY, XK_8, switchws, {.id = 7} },
401 { MODKEY, XK_9, switchws, {.id = 8} },
402 { MODKEY, XK_0, switchws, {.id = 9} },
403 { MODKEY, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSNEXT} },
404 { MODKEY | ShiftMask, XK_Tab, focus, {.id = SWM_ARG_ID_FOCUSPREV} },
408 updatenumlockmask(void)
411 XModifierKeymap *modmap;
413 DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
415 modmap = XGetModifierMapping(display);
416 for (i = 0; i < 8; i++)
417 for (j = 0; j < modmap->max_keypermod; j++)
418 if (modmap->modifiermap[i * modmap->max_keypermod + j]
419 == XKeysymToKeycode(display, XK_Num_Lock))
420 numlockmask = (1 << i);
422 XFreeModifiermap(modmap);
430 unsigned int modifiers[] =
431 { 0, LockMask, numlockmask, numlockmask | LockMask };
433 DNPRINTF(SWM_D_MISC, "grabkeys\n");
436 XUngrabKey(display, AnyKey, AnyModifier, root);
437 for(i = 0; i < LENGTH(keys); i++) {
438 if((code = XKeysymToKeycode(display, keys[i].keysym)))
439 for(j = 0; j < LENGTH(modifiers); j++)
440 XGrabKey(display, code,
441 keys[i].mod | modifiers[j], root,
442 True, GrabModeAsync, GrabModeAsync);
448 DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
456 XKeyEvent *ev = &e->xkey;
458 DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
460 keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
461 for(i = 0; i < LENGTH(keys); i++)
462 if(keysym == keys[i].keysym
463 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
465 keys[i].func(&(keys[i].args));
469 buttonpress(XEvent *e)
471 XButtonPressedEvent *ev = &e->xbutton;
472 #ifdef SWM_CLICKTOFOCUS
477 DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
479 if (ev->window == root)
481 if (ev->window == ws[current_ws].focus->id)
483 #ifdef SWM_CLICKTOFOCUS
484 TAILQ_FOREACH(win, &ws[current_ws].winlist, entry)
485 if (win->id == ev->window) {
486 /* focus in the clicked window */
487 XSetWindowBorder(display, ev->window, 0xff0000);
488 XSetWindowBorder(display,
489 ws[current_ws].focus->id, 0x888888);
490 XSetInputFocus(display, ev->window, RevertToPointerRoot,
492 ws[current_ws].focus = win;
493 XSync(display, False);
500 configurerequest(XEvent *e)
502 XConfigureRequestEvent *ev = &e->xconfigurerequest;
505 DNPRINTF(SWM_D_EVENT, "configurerequest: window: %lu\n", ev->window);
507 XSelectInput(display, ev->window, ButtonPressMask | EnterWindowMask |
510 if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
511 errx(1, "calloc: failed to allocate memory for new window");
513 win->id = ev->window;
514 TAILQ_INSERT_TAIL(&ws[current_ws].winlist, win, entry);
515 ws[current_ws].focus = win; /* make new win focused */
516 ws[current_ws].winno++;
521 configurenotify(XEvent *e)
523 DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
524 e->xconfigure.window);
528 destroynotify(XEvent *e)
531 XDestroyWindowEvent *ev = &e->xdestroywindow;
533 DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
535 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
536 if (ev->window == win->id) {
537 /* find a window to focus */
538 ws[current_ws].focus =
539 TAILQ_PREV(win, ws_win_list,entry);
540 if (ws[current_ws].focus == NULL)
541 ws[current_ws].focus =
542 TAILQ_FIRST(&ws[current_ws].winlist);
544 TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
546 ws[current_ws].winno--;
555 enternotify(XEvent *e)
557 XCrossingEvent *ev = &e->xcrossing;
560 DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
562 if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
566 /* eat event(s) to prevent autofocus */
570 TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
571 if (win->id == ev->window)
581 XFocusChangeEvent *ev = &e->xfocus;
583 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", ev->window);
585 if (ev->window == root)
589 * kill grab for now so that we can cut and paste , this screws up
593 DNPRINTF(SWM_D_EVENT, "focusin: window: %lu grabbing\n", ev->window);
594 XGrabButton(display, Button1, AnyModifier, ev->window, False,
595 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
600 mappingnotify(XEvent *e)
602 XMappingEvent *ev = &e->xmapping;
604 DNPRINTF(SWM_D_EVENT, "mappingnotify: window: %lu\n", ev->window);
606 XRefreshKeyboardMapping(ev);
607 if(ev->request == MappingKeyboard)
612 maprequest(XEvent *e)
614 DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
615 e->xmaprequest.window);
619 propertynotify(XEvent *e)
621 DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
622 e->xproperty.window);
626 unmapnotify(XEvent *e)
628 DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
631 void (*handler[LASTEvent])(XEvent *) = {
633 [KeyPress] = keypress,
634 [ButtonPress] = buttonpress,
635 [ConfigureRequest] = configurerequest,
636 [ConfigureNotify] = configurenotify,
637 [DestroyNotify] = destroynotify,
638 [EnterNotify] = enternotify,
640 [MappingNotify] = mappingnotify,
641 [MapRequest] = maprequest,
642 [PropertyNotify] = propertynotify,
643 [UnmapNotify] = unmapnotify,
647 xerror_start(Display *d, XErrorEvent *ee)
654 xerror(Display *d, XErrorEvent *ee)
656 fprintf(stderr, "error: %p %p\n", display, ee);
665 xerrorxlib = XSetErrorHandler(xerror_start);
667 /* this causes an error if some other window manager is running */
668 XSelectInput(display, DefaultRootWindow(display),
669 SubstructureRedirectMask);
670 XSync(display, False);
674 XSetErrorHandler(xerror);
675 XSync(display, False);
680 main(int argc, char *argv[])
685 fprintf(stderr, "Welcome to scrotwm V%s\n", SWM_VERSION);
686 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
687 warnx("no locale support");
689 if(!(display = XOpenDisplay(0)))
690 errx(1, "can not open display");
693 errx(1, "other wm running");
695 screen = DefaultScreen(display);
696 root = RootWindow(display, screen);
697 width = DisplayWidth(display, screen) - 2;
698 height = DisplayHeight(display, screen) - 2;
700 /* make work space 1 active */
704 TAILQ_INIT(&ws[0].winlist);
705 for (i = 1; i < SWM_WS_MAX; i++) {
709 TAILQ_INIT(&ws[i].winlist);
712 /* setup status bar */
713 bar_fs = XLoadQueryFont(display,
714 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*");
715 if (bar_fs == NULL) {
716 /* load a font that is default */
717 bar_fs = XLoadQueryFont(display,
718 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*");
720 errx(1, "couldn't load font");
722 bar_height = bar_fs->ascent + bar_fs->descent + 3;
724 XSelectInput(display, root, SubstructureRedirectMask |
725 SubstructureNotifyMask | ButtonPressMask | KeyPressMask |
726 EnterWindowMask | LeaveWindowMask | StructureNotifyMask |
727 FocusChangeMask | PropertyChangeMask);
731 bar_window = XCreateSimpleWindow(display, root, 0, 0, width,
732 bar_height - 2, 1, 0x008080, 0x000000);
733 bar_gc = XCreateGC(display, bar_window, 0, &bar_gcv);
734 XSetFont(display, bar_gc, bar_fs->fid);
736 height -= bar_height; /* correct screen height */
737 XMapWindow(display, bar_window);
742 XNextEvent(display, &e);
747 XCloseDisplay(display);