kwin/effects/scalein.cpp
Luboš Luňák 0ae5a772e7 Add EffectWindow as a window representation for effects,
to hide the change from Client/Unmanaged and eventually also
act as the only API available to effects.


svn path=/branches/work/kwin_composite/; revision=626360
2007-01-22 22:57:22 +00:00

73 lines
2.1 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#include "scalein.h"
#include <client.h>
namespace KWinInternal
{
// TODO right now it's necessary to set PAINT_WINDOW_TRANSFORMED also here
void ScaleInEffect::prePaintScreen( int* mask, QRegion* region, int time )
{
if( !windows.isEmpty())
*mask |= Scene::PAINT_WINDOW_TRANSFORMED;
effects->prePaintScreen( mask, region, time );
}
void ScaleInEffect::prePaintWindow( EffectWindow* w, int* mask, QRegion* region, int time )
{
if( windows.contains( w ))
{
windows[ w ] += time / 500.; // complete change in 500ms
if( windows[ w ] < 1 )
*mask |= Scene::PAINT_WINDOW_TRANSFORMED;
else
windows.remove( w );
}
effects->prePaintWindow( w, mask, region, time );
}
void ScaleInEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( windows.contains( w ))
{
data.xScale *= windows[ w ];
data.yScale *= windows[ w ];
data.xTranslate += int( w->window()->width() / 2 * ( 1 - windows[ w ] ));
data.yTranslate += int( w->window()->height() / 2 * ( 1 - windows[ w ] ));
}
effects->paintWindow( w, mask, region, data );
}
void ScaleInEffect::postPaintWindow( EffectWindow* w )
{
if( windows.contains( w ))
w->window()->addDamageFull(); // trigger next animation repaint
effects->postPaintWindow( w );
}
void ScaleInEffect::windowAdded( EffectWindow* c )
{
Client* cc = dynamic_cast< Client* >( c->window());
if( cc == NULL || cc->isOnCurrentDesktop())
{
windows[ c ] = 0;
c->window()->addDamageFull();
}
}
void ScaleInEffect::windowClosed( EffectWindow* c )
{
windows.remove( c );
}
} // namespace