QgsMapToolTouch Class Reference

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

#include <qgsmaptooltouch.h>

Inheritance diagram for QgsMapToolTouch:

Collaboration diagram for QgsMapToolTouch:

List of all members.

Public Member Functions
	QgsMapToolTouch (QgsMapCanvas *canvas)
	constructor
	~QgsMapToolTouch ()
void	activate ()
	called when set as currently active map tool
void	deactivate ()
	called when map tool is being deactivated
virtual void	canvasMoveEvent (QMouseEvent *e)
	Overridden mouse move event.
virtual void	canvasReleaseEvent (QMouseEvent *e)
	Overridden mouse release event.
virtual void	canvasDoubleClickEvent (QMouseEvent *e)
	Overridden Mouse double click event.
virtual bool	isTransient ()
	Check whether this MapTool performs a zoom or pan operation.
Private Member Functions
bool	gestureEvent (QGestureEvent *event)
void	pinchTriggered (QPinchGesture *gesture)
Private Attributes
bool	mDragging
	Flag to indicate a map canvas drag operation is taking place.
bool	mPinching
	Flag to indicate a pinch gesture is taking place.

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Detailed Description

A map tool for panning the map.

See also:

QgsMapTool

Definition at line 30 of file qgsmaptooltouch.h.

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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.

References QgsMapTool::mCanvas.

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Member Function Documentation

void QgsMapToolTouch::activate

(

)

[virtual]

called when set as currently active map tool

Reimplemented from QgsMapTool.

Definition at line 40 of file qgsmaptooltouch.cpp.

References QgsMapTool::mCanvas.

void QgsMapToolTouch::canvasDoubleClickEvent

(

QMouseEvent *

e

)

[virtual]

Overridden Mouse double click event.

Reimplemented from QgsMapTool.

Definition at line 87 of file qgsmaptooltouch.cpp.

References QgsMapTool::mCanvas, mPinching, and QgsMapCanvas::zoomWithCenter().

void QgsMapToolTouch::canvasMoveEvent

(

QMouseEvent *

e

)

[virtual]

Overridden mouse move event.

Reimplemented from QgsMapTool.

Definition at line 52 of file qgsmaptooltouch.cpp.

References QgsMapTool::mCanvas, mDragging, mPinching, and QgsMapCanvas::panAction().

void QgsMapToolTouch::canvasReleaseEvent

(

QMouseEvent *

e

)

[virtual]

Overridden mouse release event.

Reimplemented from QgsMapTool.

Definition at line 65 of file qgsmaptooltouch.cpp.

References QgsMapCanvas::getCoordinateTransform(), QgsMapTool::mCanvas, mDragging, mPinching, QgsMapCanvas::panActionEnd(), QgsMapCanvas::refresh(), QgsMapCanvas::setExtent(), and QgsMapToPixel::toMapPoint().

void QgsMapToolTouch::deactivate

(

)

[virtual]

called when map tool is being deactivated

Reimplemented from QgsMapTool.

Definition at line 46 of file qgsmaptooltouch.cpp.

References QgsMapTool::mCanvas.

bool QgsMapToolTouch::gestureEvent

(

QGestureEvent *

event

)

[private]

Definition at line 95 of file qgsmaptooltouch.cpp.

References mPinching, and pinchTriggered().

virtual bool QgsMapToolTouch::isTransient

(

)

[inline, virtual]

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.

void QgsMapToolTouch::pinchTriggered

(

QPinchGesture *

gesture

)

[private]

Definition at line 107 of file qgsmaptooltouch.cpp.

References QgsMapCanvas::extent(), QgsMapCanvas::getCoordinateTransform(), QgsMapTool::mCanvas, mPinching, QgsMapCanvas::refresh(), QgsRectangle::scale(), QgsMapCanvas::setExtent(), QgsMapToPixel::toMapPoint(), and QgsMapCanvas::zoomOut().

Referenced by gestureEvent().

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Member Data Documentation

bool QgsMapToolTouch::mDragging [private]

Flag to indicate a map canvas drag operation is taking place.

Definition at line 55 of file qgsmaptooltouch.h.

Referenced by canvasMoveEvent(), and canvasReleaseEvent().

bool QgsMapToolTouch::mPinching [private]

Flag to indicate a pinch gesture is taking place.

Definition at line 57 of file qgsmaptooltouch.h.

Referenced by canvasDoubleClickEvent(), canvasMoveEvent(), canvasReleaseEvent(), gestureEvent(), and pinchTriggered().

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

• src/gui/qgsmaptooltouch.h
• src/gui/qgsmaptooltouch.cpp