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
77 lines
2.2 KiB
C++
77 lines
2.2 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) 2007 Philip Falkner <philip.falkner@gmail.com>
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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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#ifndef KWIN_FADE_H
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#define KWIN_FADE_H
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#include <kwineffects.h>
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namespace KWin
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{
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class FadeEffect
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: public Effect
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{
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Q_OBJECT
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public:
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FadeEffect();
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virtual void reconfigure(ReconfigureFlags);
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virtual void prePaintScreen(ScreenPrePaintData& data, int time);
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virtual void prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time);
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virtual void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data);
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virtual bool isActive() const;
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// TODO react also on virtual desktop changes
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bool isFadeWindow(EffectWindow* w);
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public Q_SLOTS:
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void slotWindowAdded(EffectWindow* c);
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void slotWindowClosed(EffectWindow *c);
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void slotWindowDeleted(EffectWindow *w);
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void slotWindowOpacityChanged(EffectWindow *w, qreal oldOpacity);
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private:
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class WindowInfo;
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QHash< const EffectWindow*, WindowInfo > windows;
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double fadeInStep, fadeOutStep;
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int fadeInTime, fadeOutTime;
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bool fadeWindows;
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};
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class FadeEffect::WindowInfo
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{
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public:
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WindowInfo()
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: fadeInStep(0.0)
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, fadeOutStep(0.0)
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, opacity(1.0)
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, saturation(1.0)
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, brightness(1.0)
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, deleted(false)
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{}
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double fadeInStep, fadeOutStep;
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double opacity;
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double saturation, brightness;
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bool deleted;
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};
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} // namespace
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#endif
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