QgsAnnotationMapTool Class Reference

A base class for annotation map tools. More...

#include <qgsannotationmaptool.h>

Inheritance diagram for QgsAnnotationMapTool:

Public Member Functions
	QgsAnnotationMapTool (QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDockWidget)
	Constructor for QgsAnnotationMapTool.
	~QgsAnnotationMapTool () override=default
QgsAnnotationItem *	annotationItemFromId (const QString &layerId, const QString &itemId)
	Returns the annotation item matching a given pair of layer and item IDs.
QgsAnnotationLayer *	annotationLayerFromId (const QString &layerId)
	Returns the annotation layer matching a given ID.
const QgsRenderedAnnotationItemDetails *	findClosestItemToPoint (const QgsPointXY &mapPoint, const QList< const QgsRenderedAnnotationItemDetails * > &items, QgsRectangle &bounds)
	Returns the closest item from a list of annotation items to a given map point.
Public Member Functions inherited from QgsMapToolAdvancedDigitizing
	QgsMapToolAdvancedDigitizing (QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDockWidget)
	Creates an advanced digitizing maptool.
	~QgsMapToolAdvancedDigitizing () override
void	activate () override
	Registers this maptool with the cad dock widget.
virtual void	cadCanvasMoveEvent (QgsMapMouseEvent *e)
	Override this method when subclassing this class.
virtual void	cadCanvasPressEvent (QgsMapMouseEvent *e)
	Override this method when subclassing this class.
virtual void	cadCanvasReleaseEvent (QgsMapMouseEvent *e)
	Override this method when subclassing this class.
QgsAdvancedDigitizingDockWidget *	cadDockWidget () const
void	canvasMoveEvent (QgsMapMouseEvent *e) override
	Catch the mouse move event, filters it, transforms it to map coordinates and send it to virtual method.
void	canvasPressEvent (QgsMapMouseEvent *e) override
	Catch the mouse press event, filters it, transforms it to map coordinates and send it to virtual method.
void	canvasReleaseEvent (QgsMapMouseEvent *e) override
	Catch the mouse release event, filters it, transforms it to map coordinates and send it to virtual method.
void	deactivate () override
	Unregisters this maptool from the cad dock widget.
bool	isAdvancedDigitizingAllowed () const
	Returns whether functionality of advanced digitizing dock widget is currently allowed.
bool	isAutoSnapEnabled () const
	Returns whether mouse events (press/move/release) should automatically try to snap mouse position (according to the snapping configuration of map canvas) before passing the mouse coordinates to the tool.
virtual QgsMapLayer *	layer () const
	Returns the layer associated with the map tool.
void	setSnapToLayerGridEnabled (bool snapToLayerGridEnabled)
	Enables or disables snap to grid of mouse events.
bool	snapToLayerGridEnabled () const
	Enables or disables snap to grid of mouse events.
bool	useSnappingIndicator () const
	Returns whether the snapping indicator should automatically be used.
Public Member Functions inherited from QgsMapToolEdit
	QgsMapToolEdit (QgsMapCanvas *canvas)
QgsGeometryRubberBand *	createGeometryRubberBand (Qgis::GeometryType geometryType=Qgis::GeometryType::Line, bool alternativeBand=false) const
	Creates a geometry rubber band with the color/line width from the QGIS settings.
Flags	flags () const override
	Returns the flags for the map tool.
Public Member Functions inherited from QgsMapTool
	~QgsMapTool () override
QAction *	action ()
	Returns associated action with map tool or nullptr if no action is associated.
QAbstractButton *	button ()
	Returns associated button with map tool or nullptr if no button is associated.
QgsMapCanvas *	canvas () const
	returns pointer to the tool's map canvas
virtual void	canvasDoubleClickEvent (QgsMapMouseEvent *e)
	Mouse double-click event for overriding. Default implementation does nothing.
virtual bool	canvasToolTipEvent (QHelpEvent *e)
	Tooltip event for overriding.
virtual void	clean ()
	convenient method to clean members
virtual bool	gestureEvent (QGestureEvent *e)
	gesture event for overriding. Default implementation does nothing.
bool	isActive () const
	Returns if the current map tool active on the map canvas.
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 void	populateContextMenu (QMenu *menu)
	Allows the tool to populate and customize the given menu, prior to showing it in response to a right-mouse button click.
virtual bool	populateContextMenuWithEvent (QMenu *menu, QgsMapMouseEvent *event)
	Allows the tool to populate and customize the given menu, prior to showing it in response to a right-mouse button click.
virtual void	reactivate ()
	Called when the map tool is being activated while it is already active.
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 (const QCursor &cursor)
	Sets a user defined cursor.
QgsPointXY	toMapCoordinates (QPoint point)
	Transforms a point from screen coordinates to map coordinates.
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
Public Types inherited from QgsMapTool
enum	Flag { Transient = 1 << 1 , EditTool = 1 << 2 , AllowZoomRect = 1 << 3 , ShowContextMenu = 1 << 4 }
	Enumeration of flags that adjust the way the map tool operates. More...
typedef QFlags< Flag >	Flags
Signals inherited from QgsMapToolAdvancedDigitizing
void	transientGeometryChanged (const QgsReferencedGeometry &geometry)
	Emitted whenever the geometry associated with the tool is changed, including transient (i.e.
Signals inherited from QgsMapTool
void	activated ()
	Emitted when the map tool is activated.
void	deactivated ()
	Emitted when the map tool is deactivated.
void	messageDiscarded ()
	Emitted when the previous message from the tool should be cleared from the application message bar.
void	messageEmitted (const QString &message, Qgis::MessageLevel level=Qgis::MessageLevel::Info)
	Emitted when a message should be shown to the user in the application message bar.
void	reactivated ()
	Emitted when the map tool is activated, while it is already active.
Static Public Member Functions inherited from QgsMapToolEdit
static double	defaultMValue ()
	Returns default M value.
static double	defaultZValue ()
	Returns default Z value.
Static Public Member Functions inherited from QgsMapTool
static double	searchRadiusMM ()
	Gets search radius in mm.
static double	searchRadiusMU (const QgsRenderContext &context)
	Gets search radius in map units for given context.
static double	searchRadiusMU (QgsMapCanvas *canvas)
	Gets search radius in map units for given canvas.
Protected Types inherited from QgsMapToolEdit
enum	TopologicalResult { Success = 0 , InvalidCanvas = 1 , InvalidLayer = 2 }
	Result of addTopologicalPoints. More...
Protected Member Functions inherited from QgsMapToolAdvancedDigitizing
void	setAdvancedDigitizingAllowed (bool allowed)
	Sets whether functionality of advanced digitizing dock widget is currently allowed.
void	setAutoSnapEnabled (bool enabled)
	Sets whether mouse events (press/move/release) should automatically try to snap mouse position This method is protected because it should be a decision of the map tool and not from elsewhere.
void	setUseSnappingIndicator (bool enabled)
	Sets whether a snapping indicator should automatically be used.
Protected Member Functions inherited from QgsMapToolEdit
TopologicalResult	addTopologicalPoints (const QVector< QgsPoint > &vertices)
	Adds a list of vertices to other features to keep topology up to date, e.g.
Q_DECL_DEPRECATED TopologicalResult	addTopologicalPoints (const QVector< QgsPointXY > &vertices)
	Adds a list of vertices to other features to keep topology up to date, e.g.
QgsRubberBand *	createRubberBand (Qgis::GeometryType geometryType=Qgis::GeometryType::Line, bool alternativeBand=false)
	Creates a rubber band with the color/line width from the QGIS settings.
QgsVectorLayer *	currentVectorLayer ()
	Returns the current vector layer of the map canvas or 0.
void	notifyNotEditableLayer ()
	Display a timed message bar noting the active vector layer is not editable.
void	notifyNotVectorLayer ()
	Display a timed message bar noting the active layer is not vector.
Protected Member Functions inherited from QgsMapTool
	QgsMapTool (QgsMapCanvas *canvas)
	Constructor takes a map canvas as a parameter.
QgsMapLayer *	layer (const QString &id)
	Returns the map layer with the matching ID, or nullptr if no layers could be found.
void	setToolName (const QString &name)
	Sets the tool's name.
QPoint	toCanvasCoordinates (const QgsPointXY &point) const
	Transforms a point from map coordinates to screen coordinates.
QgsPoint	toLayerCoordinates (const QgsMapLayer *layer, const QgsPoint &point)
	Transforms a point from map coordinates to layer coordinates.
QgsPointXY	toLayerCoordinates (const QgsMapLayer *layer, const QgsPointXY &point)
	Transforms a point from map coordinates to layer coordinates.
QgsRectangle	toLayerCoordinates (const QgsMapLayer *layer, const QgsRectangle &rect)
	Transforms a rect from map coordinates to layer coordinates.
QgsPointXY	toLayerCoordinates (const QgsMapLayer *layer, QPoint point)
	Transforms a point from screen coordinates to layer coordinates.
QgsPoint	toMapCoordinates (const QgsMapLayer *layer, const QgsPoint &point)
	Transforms a point from layer coordinates to map coordinates (which is different in case reprojection is used).
QgsPointXY	toMapCoordinates (const QgsMapLayer *layer, const QgsPointXY &point)
	Transforms a point from layer coordinates to map coordinates (which is different in case reprojection is used).
Static Protected Member Functions inherited from QgsMapToolEdit
static QColor	digitizingFillColor ()
	Returns fill color for rubber bands (from global settings).
static QColor	digitizingStrokeColor ()
	Returns stroke color for rubber bands (from global settings).
static int	digitizingStrokeWidth ()
	Returns stroke width for rubber bands (from global settings).
Protected Attributes inherited from QgsMapToolAdvancedDigitizing
QgsAdvancedDigitizingDockWidget *	mCadDockWidget = nullptr
Protected Attributes inherited from QgsMapTool
QAction *	mAction = nullptr
	Optional pointer to an action that will be checked on map tool activation and unchecked on map tool deactivation.
QAbstractButton *	mButton = nullptr
	Optional pointer to a button that will be checked on map tool activation and unchecked on map tool deactivation.
QPointer< QgsMapCanvas >	mCanvas
	The pointer to the map canvas.
QCursor	mCursor
	The cursor used in the map tool.
QString	mToolName
	The translated name of the map tool.

Detailed Description

A base class for annotation map tools.

Note

Not available in Python bindings

Since

QGIS 4.0

Definition at line 39 of file qgsannotationmaptool.h.

Constructor & Destructor Documentation

QgsAnnotationMapTool()

QgsAnnotationMapTool::QgsAnnotationMapTool ( QgsMapCanvas * canvas, QgsAdvancedDigitizingDockWidget * cadDockWidget )

explicit

Constructor for QgsAnnotationMapTool.

Definition at line 30 of file qgsannotationmaptool.cpp.

~QgsAnnotationMapTool()

QgsAnnotationMapTool::~QgsAnnotationMapTool ( )

overridedefault

Member Function Documentation

annotationItemFromId()

QgsAnnotationItem * QgsAnnotationMapTool::annotationItemFromId	(	const QString &	layerId,
		const QString &	itemId )

Returns the annotation item matching a given pair of layer and item IDs.

Parameters

layerId	the layer ID
itemId	the item ID

Definition at line 70 of file qgsannotationmaptool.cpp.

annotationLayerFromId()

QgsAnnotationLayer * QgsAnnotationMapTool::annotationLayerFromId

(

const QString &

layerId

)

Returns the annotation layer matching a given ID.

Parameters

layerId

the annotation layer ID

Definition at line 60 of file qgsannotationmaptool.cpp.

findClosestItemToPoint()

const QgsRenderedAnnotationItemDetails * QgsAnnotationMapTool::findClosestItemToPoint	(	const QgsPointXY &	mapPoint,
		const QList< const QgsRenderedAnnotationItemDetails * > &	items,
		QgsRectangle &	bounds )

Returns the closest item from a list of annotation items to a given map point.

Parameters

mapPoint	the map point
items	the rendered annotation items list
bounds	the bounds

Definition at line 35 of file qgsannotationmaptool.cpp.

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

• /build/qgis-3.99.0+git20260124+a8882ad4560+99sid/src/gui/annotations/qgsannotationmaptool.h
• /build/qgis-3.99.0+git20260124+a8882ad4560+99sid/src/gui/annotations/qgsannotationmaptool.cpp