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/*
* calmwm - the calm window manager
*
* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: screen.c,v 1.9 2008/09/22 14:15:03 oga Exp $
*/
#include "headers.h"
#include "calmwm.h"
extern struct screen_ctx_q Screenq;
extern struct screen_ctx *Curscreen;
struct screen_ctx *
screen_fromroot(Window rootwin)
{
struct screen_ctx *sc;
TAILQ_FOREACH(sc, &Screenq, entry)
if (sc->rootwin == rootwin)
return (sc);
/* XXX FAIL HERE */
return (TAILQ_FIRST(&Screenq));
}
struct screen_ctx *
screen_current(void)
{
return (Curscreen);
}
void
screen_updatestackingorder(void)
{
Window *wins, w0, w1;
struct screen_ctx *sc;
struct client_ctx *cc;
u_int nwins, i, s;
sc = screen_current();
if (!XQueryTree(X_Dpy, sc->rootwin, &w0, &w1, &wins, &nwins))
return;
for (s = 0, i = 0; i < nwins; i++) {
/* Skip hidden windows */
if ((cc = client_find(wins[i])) == NULL ||
cc->flags & CLIENT_HIDDEN)
continue;
cc->stackingorder = s++;
}
XFree(wins);
}
void
screen_init_xinerama(struct screen_ctx *sc)
{
XineramaScreenInfo *info;
int no, fake;
if (HasXinerama == 0 || XineramaIsActive(X_Dpy) == 0) {
HasXinerama = 0;
sc->xinerama_no = 0;
}
info = XineramaQueryScreens(X_Dpy, &no);
if (info == NULL) {
/*is xinerama is actually off, instead of a malloc failure? */
if (sc->xinerama == NULL)
HasXinerama = NULL;
return;
}
if (sc->xinerama != NULL)
XFree(sc->xinerama);
sc->xinerama = info;
sc->xinerama_no = no;
}
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