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
146 lines
4 KiB
C++
146 lines
4 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) 2008 Cédric Borgese <cedric.borgese@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_WOBBLYWINDOWS_H
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#define KWIN_WOBBLYWINDOWS_H
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// Include with base class for effects.
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#include <kwineffects.h>
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namespace KWin
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{
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struct ParameterSet;
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/**
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* Effect which wobble windows
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**/
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class WobblyWindowsEffect : public Effect
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{
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Q_OBJECT
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public:
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WobblyWindowsEffect();
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virtual ~WobblyWindowsEffect();
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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 void postPaintScreen();
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virtual bool isActive() const;
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// Wobbly model parameters
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void setStiffness(qreal stiffness);
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void setDrag(qreal drag);
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void setVelocityThreshold(qreal velocityThreshold);
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void setMoveFactor(qreal factor);
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struct Pair {
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qreal x;
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qreal y;
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};
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enum WindowStatus {
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Free,
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Moving,
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Openning,
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Closing
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};
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static bool supported();
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public Q_SLOTS:
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void slotWindowAdded(EffectWindow *w);
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void slotWindowClosed(EffectWindow *w);
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void slotWindowStartUserMovedResized(EffectWindow *w);
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void slotWindowStepUserMovedResized(EffectWindow *w, const QRect &geometry);
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void slotWindowFinishUserMovedResized(EffectWindow *w);
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void slotWindowMaximizeStateChanged(EffectWindow *w, bool horizontal, bool vertical);
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private:
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void startMovedResized(EffectWindow* w);
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void stepMovedResized(EffectWindow* w);
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bool updateWindowWobblyDatas(EffectWindow* w, qreal time);
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struct WindowWobblyInfos {
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Pair* origin;
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Pair* position;
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Pair* velocity;
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Pair* acceleration;
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Pair* buffer;
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// if true, the physics system moves this point based only on it "normal" destination
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// given by the window position, ignoring neighbour points.
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bool* constraint;
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unsigned int width;
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unsigned int height;
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unsigned int count;
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Pair* bezierSurface;
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unsigned int bezierWidth;
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unsigned int bezierHeight;
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unsigned int bezierCount;
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WindowStatus status;
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// for closing
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QRectF closeRect;
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// for resizing. Only sides that have moved will wobble
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bool can_wobble_top, can_wobble_left, can_wobble_right, can_wobble_bottom;
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QRect resize_original_rect;
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};
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QHash< const EffectWindow*, WindowWobblyInfos > windows;
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QRegion m_updateRegion;
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qreal m_stiffness;
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qreal m_drag;
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qreal m_move_factor;
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// the default tesselation for windows
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// use qreal instead of int as I really often need
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// these values as real to do divisions.
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qreal m_xTesselation;
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qreal m_yTesselation;
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qreal m_minVelocity;
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qreal m_maxVelocity;
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qreal m_stopVelocity;
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qreal m_minAcceleration;
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qreal m_maxAcceleration;
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qreal m_stopAcceleration;
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bool m_moveEffectEnabled;
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bool m_openEffectEnabled;
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bool m_closeEffectEnabled;
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bool m_moveWobble; // Expands m_moveEffectEnabled
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bool m_resizeWobble;
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void initWobblyInfo(WindowWobblyInfos& wwi, QRect geometry) const;
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void freeWobblyInfo(WindowWobblyInfos& wwi) const;
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void wobblyOpenInit(WindowWobblyInfos& wwi) const;
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void wobblyCloseInit(WindowWobblyInfos& wwi, EffectWindow* w) const;
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WobblyWindowsEffect::Pair computeBezierPoint(const WindowWobblyInfos& wwi, Pair point) const;
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static void heightRingLinearMean(Pair** data_pointer, WindowWobblyInfos& wwi);
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void setParameterSet(const ParameterSet& pset);
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};
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} // namespace KWin
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#endif // WOBBLYWINDOWS_H
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