]>
code.delx.au - spectrwm/blob - scrotwm.c
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"
60 #include <sys/types.h>
62 #include <sys/queue.h>
64 #include <X11/cursorfont.h>
65 #include <X11/keysym.h>
66 #include <X11/Xatom.h>
68 #include <X11/Xproto.h>
69 #include <X11/Xutil.h>
71 /* #define SWM_DEBUG */
73 #define DPRINTF(x...) do { if (swm_debug) fprintf(stderr, x); } while(0)
74 #define DNPRINTF(n,x...) do { if (swm_debug & n) fprintf(stderr, x); } while(0)
75 #define SWM_D_EVENT 0x0001
76 #define SWM_D_WS 0x0002
77 #define SWM_D_FOCUS 0x0004
78 #define SWM_D_MISC 0x0008
80 uint32_t swm_debug
= 0
88 #define DNPRINTF(n,x...)
91 #define LENGTH(x) (sizeof x / sizeof x[0])
92 #define MODKEY Mod1Mask
93 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
95 int (*xerrorxlib
)(Display
*, XErrorEvent
*);
100 int ignore_enter
= 0;
101 unsigned int numlockmask
= 0;
102 unsigned long col_focus
= 0xff0000; /* XXX should this be per ws? */
103 unsigned long col_unfocus
= 0x888888;
117 TAILQ_ENTRY(ws_win
) entry
;
125 TAILQ_HEAD(ws_win_list
, ws_win
);
127 /* define work spaces */
128 #define SWM_WS_MAX (10)
130 int visible
; /* workspace visible */
131 struct ws_win
*focus
; /* which win has focus */
132 int winno
; /* total nr of windows */
133 struct ws_win_list winlist
;
137 /* args to functions */
140 #define SWM_ARG_ID_FOCUSNEXT (0)
141 #define SWM_ARG_ID_FOCUSPREV (1)
142 #define SWM_ARG_ID_FOCUSMAIN (2)
153 XSetForeground(display
, bar_gc
, 0x000000);
154 XDrawString(display
, bar_window
, bar_gc
, 4, bar_fs
->ascent
, bar_text
,
159 localtime_r(&tmt
, &tm
);
160 strftime(bar_text
, sizeof bar_text
, "%a %b %d %R %Z %Y", &tm
);
161 XSetForeground(display
, bar_gc
, 0xa0a0a0);
162 XDrawString(display
, bar_window
, bar_gc
, 4, bar_fs
->ascent
, bar_text
,
164 XSync(display
, False
);
167 quit(union arg
*args
)
169 DNPRINTF(SWM_D_MISC
, "quit\n");
174 spawn(union arg
*args
)
176 DNPRINTF(SWM_D_MISC
, "spawn: %s\n", args
->argv
[0]);
178 * The double-fork construct avoids zombie processes and keeps the code
179 * clean from stupid signal handlers.
184 close(ConnectionNumber(display
));
186 execvp(args
->argv
[0], args
->argv
);
187 fprintf(stderr
, "execvp failed\n");
196 focus_win(struct ws_win
*win
)
198 DNPRINTF(SWM_D_FOCUS
, "focus_win: id: %d\n", win
->id
);
199 XSetWindowBorder(display
, win
->id
, col_focus
);
200 XSetInputFocus(display
, win
->id
, RevertToPointerRoot
, CurrentTime
);
201 ws
[current_ws
].focus
= win
;
205 unfocus_win(struct ws_win
*win
)
207 DNPRINTF(SWM_D_FOCUS
, "unfocus_win: id: %d\n", win
->id
);
208 XSetWindowBorder(display
, win
->id
, col_unfocus
);
209 if (ws
[current_ws
].focus
== win
)
210 ws
[current_ws
].focus
= NULL
;
214 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
, winno
, 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: %d\n", ws
[current_ws
].focus
->id
);
366 TAILQ_REMOVE(&ws
[current_ws
].winlist
, tmpwin
, entry
);
367 TAILQ_INSERT_AFTER(&ws
[current_ws
].winlist
, ws
[current_ws
].focus
,
369 TAILQ_REMOVE(&ws
[current_ws
].winlist
, ws
[current_ws
].focus
, entry
);
370 TAILQ_INSERT_HEAD(&ws
[current_ws
].winlist
, ws
[current_ws
].focus
, entry
);
371 ws
[current_ws
].focus
= TAILQ_FIRST(&ws
[current_ws
].winlist
);
376 /* terminal + args */
377 char *term
[] = { "xterm", NULL
};
379 /* key definitions */
383 void (*func
)(union arg
*);
386 /* modifier key function argument */
387 { MODKEY
, XK_Return
, swap_to_main
, {0} },
388 { MODKEY
| ShiftMask
, XK_Return
, spawn
, {.argv
= term
} },
389 { MODKEY
| ShiftMask
, XK_q
, quit
, {0} },
390 { MODKEY
, XK_m
, focus
, {.id
= SWM_ARG_ID_FOCUSMAIN
} },
391 { MODKEY
, XK_1
, switchws
, {.id
= 0} },
392 { MODKEY
, XK_2
, switchws
, {.id
= 1} },
393 { MODKEY
, XK_3
, switchws
, {.id
= 2} },
394 { MODKEY
, XK_4
, switchws
, {.id
= 3} },
395 { MODKEY
, XK_5
, switchws
, {.id
= 4} },
396 { MODKEY
, XK_6
, switchws
, {.id
= 5} },
397 { MODKEY
, XK_7
, switchws
, {.id
= 6} },
398 { MODKEY
, XK_8
, switchws
, {.id
= 7} },
399 { MODKEY
, XK_9
, switchws
, {.id
= 8} },
400 { MODKEY
, XK_0
, switchws
, {.id
= 9} },
401 { MODKEY
, XK_Tab
, focus
, {.id
= SWM_ARG_ID_FOCUSNEXT
} },
402 { MODKEY
| ShiftMask
, XK_Tab
, focus
, {.id
= SWM_ARG_ID_FOCUSPREV
} },
406 updatenumlockmask(void)
409 XModifierKeymap
*modmap
;
411 DNPRINTF(SWM_D_MISC
, "updatenumlockmask\n");
413 modmap
= XGetModifierMapping(display
);
414 for (i
= 0; i
< 8; i
++)
415 for (j
= 0; j
< modmap
->max_keypermod
; j
++)
416 if (modmap
->modifiermap
[i
* modmap
->max_keypermod
+ j
]
417 == XKeysymToKeycode(display
, XK_Num_Lock
))
418 numlockmask
= (1 << i
);
420 XFreeModifiermap(modmap
);
428 unsigned int modifiers
[] =
429 { 0, LockMask
, numlockmask
, numlockmask
| LockMask
};
431 DNPRINTF(SWM_D_MISC
, "grabkeys\n");
434 XUngrabKey(display
, AnyKey
, AnyModifier
, root
);
435 for(i
= 0; i
< LENGTH(keys
); i
++) {
436 if((code
= XKeysymToKeycode(display
, keys
[i
].keysym
)))
437 for(j
= 0; j
< LENGTH(modifiers
); j
++)
438 XGrabKey(display
, code
,
439 keys
[i
].mod
| modifiers
[j
], root
,
440 True
, GrabModeAsync
, GrabModeAsync
);
446 XExposeEvent
*ev
= &e
->xexpose
;
448 DNPRINTF(SWM_D_EVENT
, "expose: window: %d\n", ev
->window
);
456 XKeyEvent
*ev
= &e
->xkey
;
458 DNPRINTF(SWM_D_EVENT
, "keypress: window: %d\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
;
474 DNPRINTF(SWM_D_EVENT
, "buttonpress: window: %d\n", ev
->window
);
476 if (ev
->window
== root
)
478 if (ev
->window
== ws
[current_ws
].focus
->id
)
481 TAILQ_FOREACH(win
, &ws
[current_ws
].winlist
, entry
)
482 if (win
->id
== ev
->window
) {
483 /* focus in the clicked window */
484 XSetWindowBorder(display
, ev
->window
, 0xff0000);
485 XSetWindowBorder(display
,
486 ws
[current_ws
].focus
->id
, 0x888888);
487 XSetInputFocus(display
, ev
->window
, RevertToPointerRoot
,
489 ws
[current_ws
].focus
= win
;
490 XSync(display
, False
);
497 configurerequest(XEvent
*e
)
499 XConfigureRequestEvent
*ev
= &e
->xconfigurerequest
;
502 DNPRINTF(SWM_D_EVENT
, "configurerequest: window: %d\n", ev
->window
);
504 XSelectInput(display
, ev
->window
, ButtonPressMask
| EnterWindowMask
|
507 if ((win
= calloc(1, sizeof(struct ws_win
))) == NULL
)
508 errx(1, "calloc: failed to allocate memory for new window");
510 win
->id
= ev
->window
;
511 TAILQ_INSERT_TAIL(&ws
[current_ws
].winlist
, win
, entry
);
512 ws
[current_ws
].focus
= win
; /* make new win focused */
513 ws
[current_ws
].winno
++;
518 configurenotify(XEvent
*e
)
520 XConfigureEvent
*ev
= &e
->xconfigure
;
522 DNPRINTF(SWM_D_EVENT
, "configurenotify: window: %d\n", ev
->window
);
526 destroynotify(XEvent
*e
)
530 XDestroyWindowEvent
*ev
= &e
->xdestroywindow
;
532 DNPRINTF(SWM_D_EVENT
, "destroynotify: window %d\n", ev
->window
);
534 TAILQ_FOREACH (win
, &ws
[current_ws
].winlist
, entry
) {
535 if (ev
->window
== win
->id
) {
536 /* find a window to focus */
537 ws
[current_ws
].focus
=
538 TAILQ_PREV(win
, ws_win_list
,entry
);
539 if (ws
[current_ws
].focus
== NULL
)
540 ws
[current_ws
].focus
=
541 TAILQ_FIRST(&ws
[current_ws
].winlist
);
543 TAILQ_REMOVE(&ws
[current_ws
].winlist
, win
, entry
);
545 ws
[current_ws
].winno
--;
554 enternotify(XEvent
*e
)
556 XCrossingEvent
*ev
= &e
->xcrossing
;
559 DNPRINTF(SWM_D_EVENT
, "enternotify: window: %d\n", ev
->window
);
561 if((ev
->mode
!= NotifyNormal
|| ev
->detail
== NotifyInferior
) &&
565 /* eat event(s) to prevent autofocus */
569 TAILQ_FOREACH (win
, &ws
[current_ws
].winlist
, entry
) {
570 if (win
->id
== ev
->window
)
580 XFocusChangeEvent
*ev
= &e
->xfocus
;
582 DNPRINTF(SWM_D_EVENT
, "focusin: window: %d\n", ev
->window
);
584 if (ev
->window
== root
)
588 * kill grab for now so that we can cut and paste , this screws up
592 DNPRINTF(SWM_D_EVENT, "focusin: window: %d grabbing\n", ev->window);
593 XGrabButton(display, Button1, AnyModifier, ev->window, False,
594 ButtonPress, GrabModeAsync, GrabModeSync, None, None);
599 mappingnotify(XEvent
*e
)
601 XMappingEvent
*ev
= &e
->xmapping
;
603 DNPRINTF(SWM_D_EVENT
, "mappingnotify: window: %d\n", ev
->window
);
605 XRefreshKeyboardMapping(ev
);
606 if(ev
->request
== MappingKeyboard
)
611 maprequest(XEvent
*e
)
613 XMapRequestEvent
*ev
= &e
->xmaprequest
;
615 DNPRINTF(SWM_D_EVENT
, "maprequest: window: %d\n", ev
->window
);
619 propertynotify(XEvent
*e
)
621 XPropertyEvent
*ev
= &e
->xproperty
;
623 DNPRINTF(SWM_D_EVENT
, "propertynotify: window: %d\n", ev
->window
);
627 unmapnotify(XEvent
*e
)
629 XUnmapEvent
*ev
= &e
->xunmap
;
631 DNPRINTF(SWM_D_EVENT
, "unmapnotify: window: %d\n", ev
->window
);
634 void (*handler
[LASTEvent
])(XEvent
*) = {
636 [KeyPress
] = keypress
,
637 [ButtonPress
] = buttonpress
,
638 [ConfigureRequest
] = configurerequest
,
639 [ConfigureNotify
] = configurenotify
,
640 [DestroyNotify
] = destroynotify
,
641 [EnterNotify
] = enternotify
,
643 [MappingNotify
] = mappingnotify
,
644 [MapRequest
] = maprequest
,
645 [PropertyNotify
] = propertynotify
,
646 [UnmapNotify
] = unmapnotify
,
650 xerror_start(Display
*d
, XErrorEvent
*ee
)
657 xerror(Display
*d
, XErrorEvent
*ee
)
659 fprintf(stderr
, "error: %p %p\n", display
, ee
);
668 xerrorxlib
= XSetErrorHandler(xerror_start
);
670 /* this causes an error if some other window manager is running */
671 XSelectInput(display
, DefaultRootWindow(display
),
672 SubstructureRedirectMask
);
673 XSync(display
, False
);
677 XSetErrorHandler(xerror
);
678 XSync(display
, False
);
683 main(int argc
, char *argv
[])
688 fprintf(stderr
, "Welcome to scrotwm V%s\n", SWM_VERSION
);
689 if(!setlocale(LC_CTYPE
, "") || !XSupportsLocale())
690 warnx("no locale support");
692 if(!(display
= XOpenDisplay(0)))
693 errx(1, "can not open display");
696 errx(1, "other wm running");
698 screen
= DefaultScreen(display
);
699 root
= RootWindow(display
, screen
);
700 width
= DisplayWidth(display
, screen
) - 2;
701 height
= DisplayHeight(display
, screen
) - 2;
703 /* make work space 1 active */
707 TAILQ_INIT(&ws
[0].winlist
);
708 for (i
= 1; i
< SWM_WS_MAX
; i
++) {
712 TAILQ_INIT(&ws
[i
].winlist
);
715 /* setup status bar */
716 bar_fs
= XLoadQueryFont(display
,
717 "-*-terminus-*-*-*-*-*-*-*-*-*-*-*-*");
718 if (bar_fs
== NULL
) {
719 /* load a font that is default */
720 bar_fs
= XLoadQueryFont(display
,
721 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*");
723 errx(1, "couldn't load font");
725 bar_height
= bar_fs
->ascent
+ bar_fs
->descent
+ 3;
727 XSelectInput(display
, root
, SubstructureRedirectMask
|
728 SubstructureNotifyMask
| ButtonPressMask
| KeyPressMask
|
729 EnterWindowMask
| LeaveWindowMask
| StructureNotifyMask
|
730 FocusChangeMask
| PropertyChangeMask
);
734 bar_window
= XCreateSimpleWindow(display
, root
, 0, 0, width
,
735 bar_height
- 2, 1, 0x008080, 0x000000);
736 bar_gc
= XCreateGC(display
, bar_window
, 0, &bar_gcv
);
737 XSetFont(display
, bar_gc
, bar_fs
->fid
);
739 height
-= bar_height
; /* correct screen height */
740 XMapWindow(display
, bar_window
);
745 XNextEvent(display
, &e
);
750 XCloseDisplay(display
);