NetBSD/lib/libpanel/update.c

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/* $NetBSD: update.c,v 1.1 2015/10/26 23:09:49 uwe Exp $ */
/*
* Copyright (c) 2015 Valery Ushakov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: update.c,v 1.1 2015/10/26 23:09:49 uwe Exp $");
#include "panel_impl.h"
void
update_panels(void)
{
PANEL *p;
/*
* For each panel tell panels above it they need to refresh
* regions that overlap (are above) this panel. This ensures
* that even if a panel below was touched, it's still
* overwritten by a panel above.
*
* Note that we also need to do this during "destructive"
* operations (hide, move, replace window - which see).
*/
FOREACH_PANEL (p) {
PANEL *above = p;
while ((above = PANEL_ABOVE(above)) != NULL) {
touchoverlap(p->win, above->win);
}
}
/*
* This is what effects Z-order: the window updated later
* overwrites contents of the windows below (before) it.
*/
FOREACH_PANEL (p) {
wnoutrefresh(p->win);
}
}