The QgsMapToolIdentifyFeature class is a map tool to identify a feature on a chosen layer. More...

#include <qgsmaptoolidentifyfeature.h>

Inheritance diagram for QgsMapToolIdentifyFeature:

Signals
void	featureIdentified (const QgsFeature &)
void	featureIdentified (QgsFeatureId)
Signals inherited from QgsMapToolIdentify
void	changedRasterResults (QList< IdentifyResult > &)
void	identifyMessage (QString)
void	identifyProgress (int, int)
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

Public Member Functions
	QgsMapToolIdentifyFeature (QgsMapCanvas canvas, QgsVectorLayer vl=0)
	QgsMapToolIdentifyFeature is a map tool to identify a feature on a chosen layer.
	~QgsMapToolIdentifyFeature ()
virtual void	canvasReleaseEvent (QMouseEvent *e) override
	Overridden mouse release event.
void	setLayer (QgsVectorLayer *vl)
	change the layer used by the map tool to identify
Public Member Functions inherited from QgsMapToolIdentify
	QgsMapToolIdentify (QgsMapCanvas *canvas)
	constructor
virtual	~QgsMapToolIdentify ()
virtual void	activate () override
	called when set as currently active map tool
virtual void	canvasMoveEvent (QMouseEvent *e) override
	Overridden mouse move event.
virtual void	canvasPressEvent (QMouseEvent *e) override
	Overridden mouse press event.
virtual void	deactivate () override
	called when map tool is being deactivated
QList< IdentifyResult >	identify (int x, int y, QList< QgsMapLayer * > layerList=QList< QgsMapLayer * >(), IdentifyMode mode=DefaultQgsSetting)
	Performs the identification.
QList< IdentifyResult >	identify (int x, int y, IdentifyMode mode, LayerType layerType=AllLayers)
	Performs the identification.
QgsIdentifyMenu *	identifyMenu ()
	return a pointer to the identify menu which will be used in layer selection mode this menu can also be customized
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	canvasDoubleClickEvent (QMouseEvent *e)
	Mouse double click event for overriding. Default implementation does nothing.
virtual bool	isEditTool ()
	Check whether this MapTool performs an edit operation.
virtual bool	isTransient ()
	Check whether this MapTool performs a zoom or pan operation.
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.

Protected Member Functions
virtual void	keyPressEvent (QKeyEvent *e) override
	Key event for overriding. Default implementation does nothing.
Protected Member Functions inherited from QgsMapToolIdentify
QList< IdentifyResult >	identify (int x, int y, IdentifyMode mode, QList< QgsMapLayer * > layerList, LayerType layerType=AllLayers)
	Performs the identification.
bool	identifyLayer (QList< IdentifyResult > results, QgsMapLayer layer, QgsPoint point, QgsRectangle viewExtent, double mapUnitsPerPixel, LayerType layerType=AllLayers)
	call the right method depending on layer type
bool	identifyRasterLayer (QList< IdentifyResult > results, QgsRasterLayer layer, QgsPoint point, QgsRectangle viewExtent, double mapUnitsPerPixel)
bool	identifyVectorLayer (QList< IdentifyResult > results, QgsVectorLayer layer, QgsPoint point)
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)

Additional Inherited Members
Public Types inherited from QgsMapToolIdentify
enum	IdentifyMode { DefaultQgsSetting = -1, ActiveLayer, TopDownStopAtFirst, TopDownAll, LayerSelection }
enum	Type { VectorLayer = 1, RasterLayer = 2, AllLayers = VectorLayer \| RasterLayer }
Public Slots inherited from QgsMapToolIdentify
void	formatChanged (QgsRasterLayer *layer)
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 Attributes inherited from QgsMapToolIdentify
QgsIdentifyMenu *	mIdentifyMenu