kwin/effects/wobblywindows.h
Luboš Luňák 1d2c54edcc Support for proper effect reconfiguration instead of reloading them.
Fixes e.g. the global animation combo not taking effect.


svn path=/trunk/KDE/kdebase/workspace/; revision=866903
2008-10-02 09:27:32 +00:00

135 lines
3.8 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2008 Cédric Borgese <cedric.borgese@gmail.com>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#ifndef WOBBLYWINDOWS_H
#define WOBBLYWINDOWS_H
// Include with base class for effects.
#include <kwineffects.h>
namespace KWin
{
struct ParameterSet;
/**
* Effect which wobble windows
**/
class WobblyWindowsEffect : public Effect
{
public:
WobblyWindowsEffect();
virtual ~WobblyWindowsEffect();
virtual void reconfigure( ReconfigureFlags );
virtual void prePaintScreen( ScreenPrePaintData& data, int time );
virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
virtual void postPaintScreen();
virtual void windowUserMovedResized( EffectWindow* c, bool first, bool last );
virtual void windowAdded( EffectWindow* w );
virtual void windowClosed( EffectWindow* w );
// Wobbly model parameters
void setStiffness(qreal stiffness);
void setDrag(qreal drag);
void setVelocityThreshold(qreal velocityThreshold);
void setMoveFactor(qreal factor);
struct Pair
{
qreal x;
qreal y;
};
enum WindowStatus
{
Free,
Moving,
Openning,
Closing
};
private:
bool updateWindowWobblyDatas(EffectWindow* w, qreal time);
struct WindowWobblyInfos
{
Pair* origin;
Pair* position;
Pair* velocity;
Pair* acceleration;
Pair* buffer;
// if true, the point is constraint to its "normal" destination
// given by the window position.
// if false, the point is free (i.e. use the physics system to move it)
bool* constraint;
unsigned int width;
unsigned int height;
unsigned int count;
Pair* bezierSurface;
unsigned int bezierWidth;
unsigned int bezierHeight;
unsigned int bezierCount;
WindowStatus status;
// for closing
QRectF closeRect;
};
QHash< const EffectWindow*, WindowWobblyInfos > windows;
QRect m_updateRegion;
qreal m_stiffness;
qreal m_drag;
qreal m_move_factor;
// the default tesselation for windows
// use qreal instead of int as I really often need
// these values as real to do divisions.
qreal m_xTesselation;
qreal m_yTesselation;
qreal m_minVelocity;
qreal m_maxVelocity;
qreal m_stopVelocity;
qreal m_minAcceleration;
qreal m_maxAcceleration;
qreal m_stopAcceleration;
bool m_moveEffectEnabled;
bool m_openEffectEnabled;
bool m_closeEffectEnabled;
bool m_moveWobble; // Expands m_moveEffectEnabled
bool m_resizeWobble;
void initWobblyInfo(WindowWobblyInfos& wwi, QRect geometry) const;
void freeWobblyInfo(WindowWobblyInfos& wwi) const;
void wobblyOpenInit(WindowWobblyInfos& wwi) const;
void wobblyCloseInit(WindowWobblyInfos& wwi, EffectWindow* w) const;
WobblyWindowsEffect::Pair computeBezierPoint(const WindowWobblyInfos& wwi, Pair point) const;
static void heightRingLinearMean(Pair** datas, WindowWobblyInfos& wwi);
void setParameterSet(const ParameterSet& pset);
};
} // namespace KWin
#endif // WOBBLYWINDOWS_H