61 lines
1.7 KiB
C++
61 lines
1.7 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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You can Freely distribute this program under the GNU General Public
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License. See the file "COPYING" for the exact licensing terms.
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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 <effects.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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public:
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FadeEffect();
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virtual void prePaintWindow( EffectWindow* w, int* mask, QRegion* paint, QRegion* clip, int time );
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virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
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virtual void postPaintWindow( EffectWindow* w );
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// TODO react also on virtual desktop changes
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virtual void windowOpacityChanged( EffectWindow* c, double old_opacity );
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virtual void windowAdded( EffectWindow* c );
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virtual void windowClosed( EffectWindow* c );
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virtual void windowDeleted( EffectWindow* c );
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private:
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int fade_in_speed, fade_out_speed; // TODO make these configurable
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class WindowInfo;
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QHash< const EffectWindow*, WindowInfo > windows;
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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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: current( 0 )
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, target( 0 )
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, step_mult( 0 )
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, deleted( false )
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{};
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bool isFading() const;
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double current;
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double target;
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double step_mult;
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bool deleted;
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};
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inline bool FadeEffect::WindowInfo::isFading() const
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{
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return current != target;
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}
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} // namespace
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#endif
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