#include <qwt_polar_panner.h>
List of all 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:
- QwtPolarMagnifier
Constructor & Destructor Documentation
Create a plot panner for a polar plot canvas.
QwtPolarPanner::~QwtPolarPanner |
( |
| ) |
[virtual] |
Member Function Documentation
- Returns:
- observed plot canvas
- Returns:
- observed plot canvas
void QwtPolarPanner::movePlot |
( |
int |
dx, |
|
|
int |
dy |
|
) |
| [protected, virtual, slot] |
Adjust the zoomed area according to dx/dy
- Parameters:
-
dx | Pixel offset in x direction |
dy | Pixel offset in y direction |
- See also:
- QwtPanner::panned(), QwtPolarPlot::zoom()
void QwtPolarPanner::widgetMousePressEvent |
( |
QMouseEvent * |
event | ) |
[protected, virtual] |
Block panning when the plot zoom factor is >= 1.0.
- Parameters:
-