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- experimental 6.2.0-1
QwtPolarPanner(3) | Qwt User's Guide | QwtPolarPanner(3) |
NAME¶
QwtPolarPanner - QwtPolarPanner provides panning of a polar plot canvas.
SYNOPSIS¶
#include <qwt_polar_panner.h>
Inherits QwtPanner.
Public Slots¶
virtual void movePlot (int dx, int dy)
Public Member Functions¶
QwtPolarPanner (QwtPolarCanvas *)
Create a plot panner for a polar plot canvas. virtual ~QwtPolarPanner
()
Destructor. QwtPolarPlot * plot ()
const QwtPolarPlot * plot () const
QwtPolarCanvas * canvas ()
const QwtPolarCanvas * canvas () const
Protected Member Functions¶
virtual void widgetMousePressEvent (QMouseEvent *) override
Additional Inherited Members¶
Detailed Description¶
QwtPolarPanner provides panning of a polar plot canvas.
QwtPolarPanner is a panner for a QwtPolarCanvas, that adjusts the visible area after dropping the canvas on its new position.
Together with QwtPolarMagnifier individual ways of navigating on a QwtPolarPlot widget can be implemented easily.
See also
Definition at line 30 of file qwt_polar_panner.h.
Member Function Documentation¶
QwtPolarCanvas * QwtPolarPanner::canvas ()¶
Returns
Definition at line 29 of file qwt_polar_panner.cpp.
const QwtPolarCanvas * QwtPolarPanner::canvas () const¶
Returns
Definition at line 35 of file qwt_polar_panner.cpp.
void QwtPolarPanner::movePlot (int dx, int dy) [virtual], [slot]¶
Adjust the zoomed area according to dx/dy
Parameters
dy Pixel offset in y direction
See also
Definition at line 68 of file qwt_polar_panner.cpp.
QwtPolarPlot * QwtPolarPanner::plot ()¶
Returns
Definition at line 41 of file qwt_polar_panner.cpp.
const QwtPolarPlot * QwtPolarPanner::plot () const¶
Returns
Definition at line 51 of file qwt_polar_panner.cpp.
void QwtPolarPanner::widgetMousePressEvent (QMouseEvent * event) [override], [protected], [virtual]¶
Block panning when the plot zoom factor is >= 1.0.
Parameters
Reimplemented from QwtPanner.
Definition at line 108 of file qwt_polar_panner.cpp.
Author¶
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Sun Jul 18 2021 | Version 6.2.0 |