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/*
* $Id$
*
* Copyright © 2004 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, 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.
*/
#include "lpint.h"
static Bool
is_root (Display *dpy, Window window)
{
int s;
for (s = 0; s < ScreenCount (dpy); s++)
if (window == RootWindow (dpy, s))
return True;
return False;
}
Bool
_xlightpipe_init_window (Display *display, Window window, light_pipe_window *lpw)
{
XWindowAttributes attr;
light_pipe_display *lpd = _xlightpipe_find_display (display);
int level;
if (!lpd)
return False;
lpw->display = display;
lpw->window = window;
XSelectInput (display, window, LP_WINDOW_EVENT_MASK);
if (!XGetWindowAttributes (display, window, &attr))
return False;
lpw->public.geometry.x = attr.x;
lpw->public.geometry.y = attr.y;
lpw->public.geometry.width = attr.width;
lpw->public.geometry.height = attr.height;
lpw->public.border_width = attr.border_width;
lpw->public.damage.x = 0;
lpw->public.damage.y = 0;
lpw->public.damage.width = 0;
lpw->public.damage.height = 0;
lpw->public.image = 0;
lpw->display = display;
lpw->window = window;
lpw->visual = attr.visual;
lpw->depth = attr.depth;
if (lpw->public.damage_region)
level = XDamageReportDeltaRectangles;
else
level = XDamageReportBoundingBox;
lpw->damage = XDamageCreate (display, window, level);
lpw->repair = XFixesCreateRegion (display, 0, 0);
/*
* Ensure that the window contents are available even when occluded
*/
if (!is_root (display, window))
XCompositeRedirectWindow (display, window, CompositeRedirectAutomatic);
lpw->next_damaged = 0;
if (!_xlightpipe_create_window_image (lpw))
{
XSelectInput (display, window, 0);
return False;
}
if (attr.map_state == IsViewable)
_xlightpipe_damage_window (lpw, 0, 0, attr.width, attr.height);
return True;
}
void
_xlightpipe_fini_window (Display *display, Window window, light_pipe_window *lpw)
{
XSelectInput (display, window, 0);
_xlightpipe_undamage_window (lpw);
if (!is_root (display, window))
XCompositeUnredirectWindow (display, window, CompositeRedirectAutomatic);
XDamageDestroy (display, lpw->damage);
_xlightpipe_destroy_window_image (lpw);
}
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