fe4329a252
Each effect is able to declare itself as currently being active, that is transforming windows or painting or screen or doing anything during the current rendered frame. This change eliminates the hottest path inside KWin identified by callgrind. REVIEW: 102449
103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "scalein.h"
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#include <QtCore/QTimeLine>
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namespace KWin
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{
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KWIN_EFFECT(scalein, ScaleInEffect)
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ScaleInEffect::ScaleInEffect()
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: Effect()
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{
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connect(effects, SIGNAL(windowAdded(EffectWindow*)), this, SLOT(slotWindowAdded(EffectWindow*)));
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connect(effects, SIGNAL(windowClosed(EffectWindow*)), this, SLOT(slotWindowClosed(EffectWindow*)));
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}
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void ScaleInEffect::prePaintScreen(ScreenPrePaintData& data, int time)
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{
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if (!mTimeLineWindows.isEmpty())
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data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
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effects->prePaintScreen(data, time);
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}
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void ScaleInEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
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{
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if (mTimeLineWindows.contains(w)) {
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mTimeLineWindows[ w ]->setCurveShape(QTimeLine::EaseInOutCurve);
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mTimeLineWindows[ w ]->setCurrentTime(mTimeLineWindows[ w ]->currentTime() + time);
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if (mTimeLineWindows[ w ]->currentValue() < 1)
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data.setTransformed();
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else
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delete mTimeLineWindows.take(w);
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}
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effects->prePaintWindow(w, data, time);
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}
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void ScaleInEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
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{
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if (mTimeLineWindows.contains(w) && isScaleWindow(w)) {
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const qreal value = mTimeLineWindows[ w ]->currentValue();
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data.opacity *= value;
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data.xScale *= value;
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data.yScale *= value;
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data.xTranslate += int(w->width() / 2 * (1 - value));
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data.yTranslate += int(w->height() / 2 * (1 - value));
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}
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effects->paintWindow(w, mask, region, data);
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}
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bool ScaleInEffect::isScaleWindow(EffectWindow* w)
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{
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const void* e = w->data(WindowAddedGrabRole).value<void*>();
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// TODO: isSpecialWindow is rather generic, maybe tell windowtypes separately?
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if (w->isPopupMenu() || w->isSpecialWindow() || w->isUtility() || (e && e != this))
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return false;
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return true;
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}
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void ScaleInEffect::postPaintWindow(EffectWindow* w)
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{
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if (mTimeLineWindows.contains(w))
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w->addRepaintFull(); // trigger next animation repaint
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effects->postPaintWindow(w);
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}
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void ScaleInEffect::slotWindowAdded(EffectWindow* c)
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{
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if (c->isOnCurrentDesktop()) {
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mTimeLineWindows.insert(c, new QTimeLine(animationTime(250), this));
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c->addRepaintFull();
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}
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}
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void ScaleInEffect::slotWindowClosed(EffectWindow* c)
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{
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delete mTimeLineWindows.take(c);
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}
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bool ScaleInEffect::isActive() const
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{
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return !mTimeLineWindows.isEmpty();
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}
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} // namespace
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