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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"
/*
* Initialize library. Must be called before first XOpenDisplay call
*/
void
XLightPipeInit (void)
{
}
/*
* Start monitoring window, returns success boolean
*/
Bool
XLightPipeAttendWindow (Display *display, Window window, Bool provide_region)
{
return _xlightpipe_add_window (display, window, provide_region) ? True : False;
}
/*
* Start monitoring all sub windows; create/destroy handled
* automagically
*/
Bool
XLightPipeAttendSubwindows (Display *display, Window window, Bool provide_region)
{
return False;
}
/*
* Stop monitoring window. Note that monitoring is automatically
* disabled if the window is destroyed
*/
void
XLightPipeIgnoreWindow (Display *display, Window window)
{
_xlightpipe_remove_window (display, window);
}
/*
* Returns XLightPipeWindow structure if there is any damage,
* else 0. The XLightPipeWindow structure is 'locked' on return
* and must be 'released' before any other calls to the library
* including XLightPipeIgnoreWindow.
*/
XLightPipeWindow *
XLightPipeCheckWindow (Display *display, Window window, Bool block)
{
light_pipe_window *lpw;
do {
_xlightpipe_process_events (display);
for (lpw = _xlightpipe_find_damaged (display); lpw; lpw = lpw->next_damaged)
{
if (lpw->window == window)
{
_xlightpipe_update_window (lpw);
return &lpw->public;
}
}
} while (block && _xlightpipe_await_event (display));
return 0;
}
/*
* Returns a random window containing damage, 0 if none
*/
XLightPipeWindow *
XLightPipeCheckAny (Display *display, Bool block)
{
light_pipe_window *lpw;
do {
_xlightpipe_process_events (display);
lpw = _xlightpipe_find_damaged (display);
if (lpw)
{
_xlightpipe_update_window (lpw);
return &lpw->public;
}
} while (block && _xlightpipe_await_event (display));
return 0;
}
/*
* Release the XLightPipeWindow structure so that
* additional damage can be added.
*/
void
XLightPipeRelease (Display *display, XLightPipeWindow *xlpw)
{
light_pipe_window *lpw = (light_pipe_window *) xlpw;
_xlightpipe_undamage_window (lpw);
}
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