QwtPlotMagnifier Class Reference

List of all members.

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Detailed Description

QwtPlotMagnifier provides zooming, by magnifying in steps.

Together with QwtPlotZoomer and QwtPlotPanner it is possible to implement individual and powerful navigation of the plot canvas.

See also:

QwtPlotZoomer, QwtPlotPanner, QwtPlot

Definition at line 30 of file qwt_plot_magnifier.h.

Public Member Functions
	QwtPlotMagnifier (QwtPlotCanvas *)
virtual	~QwtPlotMagnifier ()
void	setEnabled (bool)
bool	isEnabled () const
void	setAxisEnabled (int axis, bool on)
bool	isAxisEnabled (int axis) const
void	setMouseFactor (double)
double	mouseFactor () const
void	setMouseButton (int button, int buttonState=Qt::NoButton)
void	getMouseButton (int &button, int &buttonState) const
void	setWheelFactor (double)
double	wheelFactor () const
void	setWheelButtonState (int buttonState)
int	wheelButtonState () const
void	setKeyFactor (double)
double	keyFactor () const
void	setZoomInKey (int key, int buttonState)
void	getZoomInKey (int &key, int &buttonState)
void	setZoomOutKey (int key, int buttonState)
void	getZoomOutKey (int &key, int &buttonState)
QwtPlotCanvas *	canvas ()
const QwtPlotCanvas *	canvas () const
QwtPlot *	plot ()
const QwtPlot *	plot () const
virtual bool	eventFilter (QObject *, QEvent *)
Protected Member Functions
virtual void	rescale (double factor)
virtual void	widgetMousePressEvent (QMouseEvent *)
virtual void	widgetMouseReleaseEvent (QMouseEvent *)
virtual void	widgetMouseMoveEvent (QMouseEvent *)
virtual void	widgetWheelEvent (QWheelEvent *)
virtual void	widgetKeyPressEvent (QKeyEvent *)
virtual void	widgetKeyReleaseEvent (QKeyEvent *)

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Member Function Documentation

const QwtPlotCanvas * QwtPlotMagnifier::canvas (   )  const

Return Observed plot canvas. Definition at line 203 of file qwt_plot_magnifier.cpp.

QwtPlotCanvas * QwtPlotMagnifier::canvas (   )

Return observed plot canvas. Definition at line 193 of file qwt_plot_magnifier.cpp. Referenced by plot(), widgetMousePressEvent(), and widgetMouseReleaseEvent().

const QwtPlot * QwtPlotMagnifier::plot (   )  const

Return plot widget, containing the observed plot canvas. Definition at line 223 of file qwt_plot_magnifier.cpp.

QwtPlot * QwtPlotMagnifier::plot (   )

Return plot widget, containing the observed plot canvas. Definition at line 209 of file qwt_plot_magnifier.cpp. References canvas(). Referenced by rescale().

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