kwin/effects/minimizeanimation/minimizeanimation.cpp
2011-01-31 20:07:03 +01:00

137 lines
4.5 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)
{
QHash< EffectWindow*, TimeLine >::iterator entry = mTimeLineWindows.begin();
bool erase = false;
while (entry != mTimeLineWindows.end()) {
TimeLine &timeline = entry.value();
if (entry.key()->isMinimized()) {
timeline.addTime(time);
erase = (timeline.progress() >= 1.0f);
} else {
timeline.removeTime(time);
erase = (timeline.progress() <= 0.0f);
}
if (erase)
entry = mTimeLineWindows.erase(entry);
else
++entry;
}
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)
{
// 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)
{
QHash< EffectWindow*, TimeLine >::const_iterator entry = mTimeLineWindows.constFind(w);
if (entry != mTimeLineWindows.constEnd()) {
// 0 = not minimized, 1 = fully minimized
double progress = entry->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::windowDeleted(EffectWindow* w)
{
mTimeLineWindows.remove(w);
}
void MinimizeAnimationEffect::windowMinimized(EffectWindow* w)
{
if (effects->activeFullScreenEffect())
return;
TimeLine &timeline = mTimeLineWindows[w];
timeline.setCurveShape(TimeLine::EaseInCurve);
timeline.setDuration(animationTime(250));
timeline.setProgress(0.0f);
}
void MinimizeAnimationEffect::windowUnminimized(EffectWindow* w)
{
if (effects->activeFullScreenEffect())
return;
TimeLine &timeline = mTimeLineWindows[w];
timeline.setCurveShape(TimeLine::EaseOutCurve);
timeline.setDuration(animationTime(250));
timeline.setProgress(1.0f);
}
} // namespace