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84 lines
2.4 KiB
84 lines
2.4 KiB
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** |
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* Qwt Widget Library |
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* Copyright (C) 1997 Josef Wilgen |
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* Copyright (C) 2002 Uwe Rathmann |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the Qwt License, Version 1.0 |
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*****************************************************************************/ |
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#ifndef QWT_WHEEL_H |
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#define QWT_WHEEL_H |
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#include "qwt_global.h" |
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#include "qwt_abstract_slider.h" |
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/*! |
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\brief The Wheel Widget |
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The wheel widget can be used to change values over a very large range |
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in very small steps. Using the setMass member, it can be configured |
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as a flywheel. |
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\sa The radio example. |
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*/ |
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class QWT_EXPORT QwtWheel : public QwtAbstractSlider |
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{ |
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Q_OBJECT |
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Q_PROPERTY( double totalAngle READ totalAngle WRITE setTotalAngle ) |
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Q_PROPERTY( double viewAngle READ viewAngle WRITE setViewAngle ) |
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Q_PROPERTY( int tickCnt READ tickCnt WRITE setTickCnt ) |
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Q_PROPERTY( int internalBorder READ internalBorder WRITE setInternalBorder ) |
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Q_PROPERTY( double mass READ mass WRITE setMass ) |
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public: |
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explicit QwtWheel(QWidget *parent = NULL); |
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#if QT_VERSION < 0x040000 |
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explicit QwtWheel(QWidget *parent, const char *name); |
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#endif |
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virtual ~QwtWheel(); |
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virtual void setOrientation(Qt::Orientation); |
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double totalAngle() const; |
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double viewAngle() const; |
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int tickCnt() const; |
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int internalBorder() const; |
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double mass() const; |
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void setTotalAngle (double angle); |
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void setTickCnt(int cnt); |
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void setViewAngle(double angle); |
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void setInternalBorder(int width); |
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void setMass(double val); |
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void setWheelWidth( int w ); |
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virtual QSize sizeHint() const; |
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virtual QSize minimumSizeHint() const; |
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protected: |
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virtual void resizeEvent(QResizeEvent *e); |
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virtual void paintEvent(QPaintEvent *e); |
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void layoutWheel( bool update = true ); |
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void draw(QPainter *p, const QRect& update_rect); |
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void drawWheel(QPainter *p, const QRect &r); |
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void drawWheelBackground(QPainter *p, const QRect &r); |
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void setColorArray(); |
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virtual void valueChange(); |
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virtual void paletteChange( const QPalette &); |
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virtual double getValue(const QPoint &p); |
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virtual void getScrollMode(const QPoint &p, |
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int &scrollMode, int &direction); |
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private: |
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void initWheel(); |
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class PrivateData; |
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PrivateData *d_data; |
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}; |
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#endif
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