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QgsMapToolPan Class Reference

A map tool for panning the map. More...

#include <qgsmaptoolpan.h>

Inheritance diagram for QgsMapToolPan:
Inheritance graph
[legend]

Public Member Functions

 QgsMapToolPan (QgsMapCanvas *canvas)
 constructor
virtual void canvasMoveEvent (QMouseEvent *e) override
 Overridden mouse move event.
virtual void canvasReleaseEvent (QMouseEvent *e) override
 Overridden mouse release event.
virtual bool isTransient () override
 Check whether this MapTool performs a zoom or pan operation.
- Public Member Functions inherited from QgsMapTool
virtual ~QgsMapTool ()
 virtual destructor
QAction * action ()
 Return associated action with map tool or NULL if no action is associated.
virtual void activate ()
 called when set as currently active map tool
QAbstractButton * button ()
 Return associated button with map tool or NULL if no button is associated.
QgsMapCanvascanvas ()
 returns pointer to the tool's map canvas
virtual void canvasDoubleClickEvent (QMouseEvent *e)
 Mouse double click event for overriding. Default implementation does nothing.
virtual void canvasPressEvent (QMouseEvent *e)
 Mouse press event for overriding. Default implementation does nothing.
virtual void deactivate ()
 called when map tool is being deactivated
virtual bool isEditTool ()
 Check whether this MapTool performs an edit operation.
virtual void keyPressEvent (QKeyEvent *e)
 Key event for overriding. Default implementation does nothing.
virtual void keyReleaseEvent (QKeyEvent *e)
 Key event for overriding. Default implementation does nothing.
virtual Q_DECL_DEPRECATED void renderComplete ()
 Called when rendering has finished.
void setAction (QAction *action)
 Use this to associate a QAction to this maptool.
void setButton (QAbstractButton *button)
 Use this to associate a button to this maptool.
virtual void setCursor (QCursor cursor)
 Set a user defined cursor.
QString toolName ()
 Emit map tool changed with the old tool.
virtual void wheelEvent (QWheelEvent *e)
 Mouse wheel event for overriding. Default implementation does nothing.

Additional Inherited Members

- Signals inherited from QgsMapTool
void activated ()
 signal emitted once the map tool is activated
void deactivated ()
 signal emitted once the map tool is deactivated
void messageDiscarded ()
 emit signal to clear previous message
void messageEmitted (QString message, QgsMessageBar::MessageLevel=QgsMessageBar::INFO)
 emit a message
- Static Public Member Functions inherited from QgsMapTool
static double searchRadiusMM ()
 Get search radius in mm.
static double searchRadiusMU (const QgsRenderContext &context)
 Get search radius in map units for given context.
static double searchRadiusMU (QgsMapCanvas *canvas)
 Get search radius in map units for given canvas.
- Protected Member Functions inherited from QgsMapTool
 QgsMapTool (QgsMapCanvas *canvas)
 constructor takes map canvas as a parameter
QPoint toCanvasCoordinates (const QgsPoint &point)
 transformation from map coordinates to screen coordinates
QgsPoint toLayerCoordinates (QgsMapLayer *layer, const QPoint &point)
 transformation from screen coordinates to layer's coordinates
QgsPoint toLayerCoordinates (QgsMapLayer *layer, const QgsPoint &point)
 transformation from map coordinates to layer's coordinates
QgsRectangle toLayerCoordinates (QgsMapLayer *layer, const QgsRectangle &rect)
 trnasformation of the rect from map coordinates to layer's coordinates
QgsPoint toMapCoordinates (const QPoint &point)
 transformation from screen coordinates to map coordinates
QgsPoint toMapCoordinates (QgsMapLayer *layer, const QgsPoint &point)
 transformation from layer's coordinates to map coordinates (which is different in case reprojection is used)
- Protected Attributes inherited from QgsMapTool
QAction * mAction
 optionally map tool can have pointer to action which will be used to set that action as active
QAbstractButton * mButton
 optionally map tool can have pointer to a button which will be used to set that action as active
QgsMapCanvasmCanvas
 pointer to map canvas
QCursor mCursor
 cursor used in map tool
QString mToolName
 translated name of the map tool

Detailed Description

A map tool for panning the map.

See Also
QgsMapTool

Definition at line 27 of file qgsmaptoolpan.h.

Constructor & Destructor Documentation

QgsMapToolPan::QgsMapToolPan ( QgsMapCanvas canvas)

constructor

Definition at line 25 of file qgsmaptoolpan.cpp.

Member Function Documentation

void QgsMapToolPan::canvasMoveEvent ( QMouseEvent *  e)
overridevirtual

Overridden mouse move event.

Reimplemented from QgsMapTool.

Definition at line 37 of file qgsmaptoolpan.cpp.

void QgsMapToolPan::canvasReleaseEvent ( QMouseEvent *  e)
overridevirtual

Overridden mouse release event.

Reimplemented from QgsMapTool.

Definition at line 47 of file qgsmaptoolpan.cpp.

virtual bool QgsMapToolPan::isTransient ( )
inlineoverridevirtual

Check whether this MapTool performs a zoom or pan operation.

If it does, we will be able to perform the zoom and then resume operations with the original / previously used tool.

Reimplemented from QgsMapTool.

Definition at line 39 of file qgsmaptoolpan.h.


The documentation for this class was generated from the following files: