kwin/effects/minimizeanimation.cpp

126 lines
4.2 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "minimizeanimation.h"
namespace KWin
{
KWIN_EFFECT( minimizeanimation, MinimizeAnimationEffect )
MinimizeAnimationEffect::MinimizeAnimationEffect()
{
mActiveAnimations = 0;
}
void MinimizeAnimationEffect::prePaintScreen( ScreenPrePaintData& data, int time )
{
mActiveAnimations = mTimeLineWindows.count();
if( mActiveAnimations > 0 )
// We need to mark the screen windows as transformed. Otherwise the
// whole screen won't be repainted, resulting in artefacts
data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
effects->prePaintScreen(data, time);
}
void MinimizeAnimationEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
{
if( mTimeLineWindows.contains( w ))
{
if( w->isMinimized() )
{
mTimeLineWindows[w].addTime(time);
if( mTimeLineWindows[w].progress() >= 1.0f )
mTimeLineWindows.remove( w );
}
else
{
mTimeLineWindows[w].removeTime(time);
if( mTimeLineWindows[w].progress() <= 0.0f )
mTimeLineWindows.remove( w );
}
// Schedule window for transformation if the animation is still in
// progress
if( mTimeLineWindows.contains( w ))
{
// We'll transform this window
data.setTransformed();
w->enablePainting( EffectWindow::PAINT_DISABLED_BY_MINIMIZE );
}
}
effects->prePaintWindow( w, data, time );
}
void MinimizeAnimationEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( mTimeLineWindows.contains( w ))
{
// 0 = not minimized, 1 = fully minimized
double progress = mTimeLineWindows[w].value();
QRect geo = w->geometry();
QRect icon = w->iconGeometry();
// If there's no icon geometry, minimize to the center of the screen
if( !icon.isValid() )
icon = QRect( displayWidth() / 2, displayHeight() / 2, 0, 0 );
data.xScale *= interpolate(1.0, icon.width() / (double)geo.width(), progress);
data.yScale *= interpolate(1.0, icon.height() / (double)geo.height(), progress);
data.xTranslate = (int)interpolate(data.xTranslate, icon.x() - geo.x(), progress);
data.yTranslate = (int)interpolate(data.yTranslate, icon.y() - geo.y(), progress);
data.opacity *= 0.1 + (1-progress)*0.9;
}
// Call the next effect.
effects->paintWindow( w, mask, region, data );
}
void MinimizeAnimationEffect::postPaintScreen()
{
if( mActiveAnimations > 0 )
// Repaint the workspace so that everything would be repainted next time
effects->addRepaintFull();
mActiveAnimations = mTimeLineWindows.count();
// Call the next effect.
effects->postPaintScreen();
}
void MinimizeAnimationEffect::windowMinimized( EffectWindow* w )
{
mTimeLineWindows[w].setCurveShape(TimeLine::EaseInCurve);
mTimeLineWindows[w].setDuration( animationTime( 250 ));
mTimeLineWindows[w].setProgress(0.0f);
}
void MinimizeAnimationEffect::windowUnminimized( EffectWindow* w )
{
mTimeLineWindows[w].setCurveShape(TimeLine::EaseOutCurve);
mTimeLineWindows[w].setDuration( animationTime( 250 ));
mTimeLineWindows[w].setProgress(1.0f);
}
} // namespace