68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
#ifndef _SCROLLZOOMER_H
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#define _SCROLLZOOMER_H
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#include <qglobal.h>
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#include <qwt_plot_zoomer.h>
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#include <qwt_plot.h>
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class ScrollData;
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class ScrollBar;
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class ScrollZoomer: public QwtPlotZoomer
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{
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Q_OBJECT
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public:
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enum ScrollBarPosition
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{
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AttachedToScale,
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OppositeToScale
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};
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ScrollZoomer( QWidget * );
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virtual ~ScrollZoomer();
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ScrollBar *horizontalScrollBar() const;
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ScrollBar *verticalScrollBar() const;
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void setHScrollBarMode( Qt::ScrollBarPolicy );
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void setVScrollBarMode( Qt::ScrollBarPolicy );
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Qt::ScrollBarPolicy vScrollBarMode () const;
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Qt::ScrollBarPolicy hScrollBarMode () const;
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void setHScrollBarPosition( ScrollBarPosition );
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void setVScrollBarPosition( ScrollBarPosition );
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ScrollBarPosition hScrollBarPosition() const;
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ScrollBarPosition vScrollBarPosition() const;
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QWidget* cornerWidget() const;
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virtual void setCornerWidget( QWidget * );
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virtual bool eventFilter( QObject *, QEvent * );
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virtual void rescale();
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protected:
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virtual ScrollBar *scrollBar( Qt::Orientation );
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virtual void updateScrollBars();
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virtual void layoutScrollBars( const QRect & );
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private Q_SLOTS:
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void scrollBarMoved( Qt::Orientation o, double min, double max );
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private:
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bool needScrollBar( Qt::Orientation ) const;
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int oppositeAxis( int ) const;
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QWidget *d_cornerWidget;
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ScrollData *d_hScrollData;
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ScrollData *d_vScrollData;
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bool d_inZoom;
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bool d_alignCanvasToScales[ QwtPlot::axisCnt ];
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};
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#endif
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