112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
/*
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* calmwm - the calm window manager
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*
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* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: screen.c,v 1.17 2009/08/24 21:22:48 oga Exp $
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*/
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#include "headers.h"
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#include "calmwm.h"
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extern struct screen_ctx *Curscreen;
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struct screen_ctx *
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screen_fromroot(Window rootwin)
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{
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struct screen_ctx *sc;
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TAILQ_FOREACH(sc, &Screenq, entry)
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if (sc->rootwin == rootwin)
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return (sc);
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/* XXX FAIL HERE */
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return (TAILQ_FIRST(&Screenq));
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}
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struct screen_ctx *
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screen_current(void)
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{
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return (Curscreen);
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}
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void
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screen_updatestackingorder(void)
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{
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Window *wins, w0, w1;
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struct screen_ctx *sc;
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struct client_ctx *cc;
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u_int nwins, i, s;
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sc = screen_current();
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if (!XQueryTree(X_Dpy, sc->rootwin, &w0, &w1, &wins, &nwins))
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return;
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for (s = 0, i = 0; i < nwins; i++) {
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/* Skip hidden windows */
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if ((cc = client_find(wins[i])) == NULL ||
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cc->flags & CLIENT_HIDDEN)
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continue;
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cc->stackingorder = s++;
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}
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XFree(wins);
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}
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void
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screen_init_xinerama(struct screen_ctx *sc)
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{
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XineramaScreenInfo *info;
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int no;
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if (HasXinerama == 0 || XineramaIsActive(X_Dpy) == 0) {
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HasXinerama = 0;
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sc->xinerama_no = 0;
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}
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info = XineramaQueryScreens(X_Dpy, &no);
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if (info == NULL) {
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/*is xinerama is actually off, instead of a malloc failure? */
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if (sc->xinerama == NULL)
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HasXinerama = 0;
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return;
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}
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if (sc->xinerama != NULL)
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XFree(sc->xinerama);
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sc->xinerama = info;
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sc->xinerama_no = no;
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}
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/*
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* Find which xinerama screen the coordinates (x,y) is on.
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*/
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XineramaScreenInfo *
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screen_find_xinerama(struct screen_ctx *sc, int x, int y)
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{
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XineramaScreenInfo *info;
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int i;
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for (i = 0; i < sc->xinerama_no; i++) {
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info = &sc->xinerama[i];
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if (x > info->x_org && x < info->x_org + info->width &&
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y > info->y_org && y < info->y_org + info->height)
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return (info);
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}
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return (NULL);
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}
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