kwin/effects.h

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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
// TODO MIT or some other licence, perhaps move to some lib
#ifndef KWIN_EFFECTS_H
#define KWIN_EFFECTS_H
#include <qmap.h>
#include <qpoint.h>
#include <qtimer.h>
namespace KWinInternal
{
class Toplevel;
class Workspace;
class Matrix
{
public:
Matrix();
Matrix& operator*=( const Matrix& m );
bool isOnlyTranslate() const;
bool isIdentity() const;
double xTranslate() const;
double yTranslate() const;
double zTranslate() const;
QPoint transform( const QPoint& p ) const;
double m[ 4 ][ 4 ];
};
Matrix operator*( const Matrix& m1, const Matrix& m2 );
inline Matrix& Matrix::operator*=( const Matrix& m )
{
return *this = *this * m;
}
inline double Matrix::xTranslate() const
{
return m[ 0 ][ 3 ];
}
inline double Matrix::yTranslate() const
{
return m[ 1 ][ 3 ];
}
inline double Matrix::zTranslate() const
{
return m[ 2 ][ 3 ];
}
class EffectData
{
public:
double opacity;
};
class Effect
{
public:
virtual ~Effect();
// called when moved/resized or once after it's finished
virtual void windowUserMovedResized( Toplevel* c, bool first, bool last );
virtual void windowDeleted( Toplevel* c );
virtual void transformWindow( Toplevel* c, Matrix& m, EffectData& data );
virtual void transformWorkspace( Matrix& m, EffectData& data );
};
class EffectsHandler
{
public:
EffectsHandler( Workspace* ws );
~EffectsHandler();
void windowUserMovedResized( Toplevel* c, bool first, bool last );
void windowDeleted( Toplevel* c );
void transformWindow( Toplevel* c, Matrix& m, EffectData& data );
void transformWorkspace( Matrix& m, EffectData& data );
};
extern EffectsHandler* effects;
class MakeHalfTransparent
: public Effect
{
public:
virtual void windowUserMovedResized( Toplevel* c, bool first, bool last );
virtual void transformWindow( Toplevel* c, Matrix& m, EffectData& data );
};
class ShakyMove
: public QObject, public Effect
{
Q_OBJECT
public:
ShakyMove();
virtual void windowUserMovedResized( Toplevel* c, bool first, bool last );
virtual void transformWindow( Toplevel* c, Matrix& m, EffectData& data );
virtual void windowDeleted( Toplevel* c );
private slots:
void tick();
private:
QMap< Toplevel*, int > windows;
QTimer timer;
};
class GrowMove
: public Effect
{
public:
virtual void windowUserMovedResized( Toplevel* c, bool first, bool last );
virtual void transformWindow( Toplevel* c, Matrix& m, EffectData& data );
};
class ShiftWorkspaceUp
: public QObject, public Effect
{
Q_OBJECT
public:
ShiftWorkspaceUp( Workspace* ws );
virtual void transformWorkspace( Matrix& m, EffectData& data );
private slots:
void tick();
private:
QTimer timer;
bool up;
Workspace* wspace;
};
} // namespace
#endif