QgsMapToolTouch Class Reference

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

#include <qgsmaptooltouch.h>

Inheritance diagram for QgsMapToolTouch:

Public Member Functions
	QgsMapToolTouch (QgsMapCanvas *canvas)
	constructor
	~QgsMapToolTouch ()
void	activate () override
	called when set as currently active map tool
virtual void	canvasDoubleClickEvent (QMouseEvent *e) override
	Overridden Mouse double click event.
virtual void	canvasMoveEvent (QMouseEvent *e) override
	Overridden mouse move event.
virtual void	canvasReleaseEvent (QMouseEvent *e) override
	Overridden mouse release event.
void	deactivate () override
	called when map tool is being deactivated
bool	gestureEvent (QGestureEvent *event) override
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.
QAbstractButton *	button ()
	Return associated button with map tool or NULL if no button is associated.
QgsMapCanvas *	canvas ()
	returns pointer to the tool's map canvas
virtual void	canvasPressEvent (QMouseEvent *e)
	Mouse press event for overriding. Default implementation does nothing.
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
QgsMapCanvas *	mCanvas
	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 30 of file qgsmaptooltouch.h.

Constructor & Destructor Documentation

QgsMapToolTouch::QgsMapToolTouch

(

QgsMapCanvas *

canvas

)

constructor

Definition at line 26 of file qgsmaptooltouch.cpp.

QgsMapToolTouch::~QgsMapToolTouch

(

)

Definition at line 35 of file qgsmaptooltouch.cpp.

Member Function Documentation

void QgsMapToolTouch::activate ( )

overridevirtual

called when set as currently active map tool

Reimplemented from QgsMapTool.

Definition at line 40 of file qgsmaptooltouch.cpp.

void QgsMapToolTouch::canvasDoubleClickEvent ( QMouseEvent *  e )

overridevirtual

Overridden Mouse double click event.

Reimplemented from QgsMapTool.

Definition at line 87 of file qgsmaptooltouch.cpp.

void QgsMapToolTouch::canvasMoveEvent ( QMouseEvent *  e )

overridevirtual

Overridden mouse move event.

Reimplemented from QgsMapTool.

Definition at line 52 of file qgsmaptooltouch.cpp.

void QgsMapToolTouch::canvasReleaseEvent ( QMouseEvent *  e )

overridevirtual

Overridden mouse release event.

Reimplemented from QgsMapTool.

Definition at line 65 of file qgsmaptooltouch.cpp.

void QgsMapToolTouch::deactivate ( )

overridevirtual

called when map tool is being deactivated

Reimplemented from QgsMapTool.

Definition at line 46 of file qgsmaptooltouch.cpp.

bool QgsMapToolTouch::gestureEvent ( QGestureEvent *  event )

override

Definition at line 95 of file qgsmaptooltouch.cpp.

virtual bool QgsMapToolTouch::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 50 of file qgsmaptooltouch.h.

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

• /tmp/buildd/qgis-2.8.2+12wheezy/src/gui/qgsmaptooltouch.h
• /tmp/buildd/qgis-2.8.2+12wheezy/src/gui/qgsmaptooltouch.cpp