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136 lines
3.6 KiB
136 lines
3.6 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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// vim: expandtab |
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#ifndef QWT_SLIDER_H |
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#define QWT_SLIDER_H |
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#include "qwt_global.h" |
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#include "qwt_abstract_scale.h" |
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#include "qwt_abstract_slider.h" |
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class QwtScaleDraw; |
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/*! |
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\brief The Slider Widget |
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QwtSlider is a slider widget which operates on an interval |
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of type double. QwtSlider supports different layouts as |
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well as a scale. |
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\image html sliders.png |
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\sa QwtAbstractSlider and QwtAbstractScale for the descriptions |
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of the inherited members. |
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*/ |
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class QWT_EXPORT QwtSlider : public QwtAbstractSlider, public QwtAbstractScale |
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{ |
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Q_OBJECT |
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Q_ENUMS( ScalePos ) |
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Q_ENUMS( BGSTYLE ) |
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Q_PROPERTY( ScalePos scalePosition READ scalePosition |
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WRITE setScalePosition ) |
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Q_PROPERTY( BGSTYLE bgStyle READ bgStyle WRITE setBgStyle ) |
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Q_PROPERTY( int thumbLength READ thumbLength WRITE setThumbLength ) |
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Q_PROPERTY( int thumbWidth READ thumbWidth WRITE setThumbWidth ) |
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Q_PROPERTY( int borderWidth READ borderWidth WRITE setBorderWidth ) |
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public: |
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/*! |
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Scale position. QwtSlider tries to enforce valid combinations of its |
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orientation and scale position: |
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- Qt::Horizonal combines with NoScale, TopScale and BottomScale |
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- Qt::Vertical combines with NoScale, LeftScale and RightScale |
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\sa QwtSlider::QwtSlider |
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*/ |
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enum ScalePos { |
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NoScale, |
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LeftScale, |
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RightScale, |
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TopScale, |
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BottomScale |
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}; |
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/*! |
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Background style. |
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\sa QwtSlider::QwtSlider |
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*/ |
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enum BGSTYLE { |
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BgTrough = 0x1, |
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BgSlot = 0x2, |
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BgBoth = BgTrough | BgSlot |
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}; |
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explicit QwtSlider(QWidget *parent, |
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Qt::Orientation = Qt::Horizontal, |
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ScalePos = NoScale, BGSTYLE bgStyle = BgTrough); |
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#if QT_VERSION < 0x040000 |
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explicit QwtSlider(QWidget *parent, const char *name); |
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#endif |
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virtual ~QwtSlider(); |
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virtual void setOrientation(Qt::Orientation); |
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void setBgStyle(BGSTYLE); |
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BGSTYLE bgStyle() const; |
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void setScalePosition(ScalePos s); |
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ScalePos scalePosition() const; |
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int thumbLength() const; |
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int thumbWidth() const; |
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int borderWidth() const; |
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void setThumbLength(int l); |
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void setThumbWidth(int w); |
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void setBorderWidth(int bw); |
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void setMargins(int x, int y); |
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virtual QSize sizeHint() const; |
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virtual QSize minimumSizeHint() const; |
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void setScaleDraw(QwtScaleDraw *); |
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const QwtScaleDraw *scaleDraw() const; |
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protected: |
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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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void draw(QPainter *p, const QRect& update_rect); |
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virtual void drawSlider (QPainter *p, const QRect &r); |
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virtual void drawThumb(QPainter *p, const QRect &, int pos); |
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virtual void resizeEvent(QResizeEvent *e); |
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virtual void paintEvent (QPaintEvent *e); |
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virtual void valueChange(); |
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virtual void rangeChange(); |
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virtual void scaleChange(); |
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virtual void fontChange(const QFont &oldFont); |
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void layoutSlider( bool update = true ); |
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int xyPosition(double v) const; |
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QwtScaleDraw *scaleDraw(); |
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private: |
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void initSlider(Qt::Orientation, ScalePos scalePos, BGSTYLE bgStyle); |
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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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