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    QGIS API Documentation 3.32.0-Lima (311a8cb8a6)
    
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QgsMapToolCaptureLayerGeometry is a base class for map tools digitizing layer geometries This map tool subclass automatically handles intersection avoidance with other layers in the active project whenever a geometry is digitized by the user. More...
#include <qgsmaptoolcapturelayergeometry.h>

Public Member Functions | |
| QgsMapToolCaptureLayerGeometry (QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDockWidget, CaptureMode mode) | |
| Constructor.  More... | |
  Public Member Functions inherited from QgsMapToolCapture | |
| QgsMapToolCapture (QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDockWidget, CaptureMode mode) | |
| constructor  More... | |
| ~QgsMapToolCapture () override | |
| void | activate () override | 
| Registers this maptool with the cad dock widget.  More... | |
| int | addCurve (QgsCurve *c) | 
| Adds a whole curve (e.g. circularstring) to the captured geometry. Curve must be in map CRS.  More... | |
| void | cadCanvasMoveEvent (QgsMapMouseEvent *e) override | 
| Override this method when subclassing this class.  More... | |
| void | cadCanvasReleaseEvent (QgsMapMouseEvent *e) override | 
| Override this method when subclassing this class.  More... | |
| virtual QgsMapToolCapture::Capabilities | capabilities () const | 
| Returns flags containing the supported capabilities.  More... | |
| const QgsCompoundCurve * | captureCurve () const | 
| Gets the capture curve.  More... | |
| void | clean () override | 
| convenient method to clean members  More... | |
| void | clearCurve () | 
| Clear capture curve.  More... | |
| Qgis::CaptureTechnique | currentCaptureTechnique () const | 
| Returns the active capture technique.  More... | |
| void | deactivate () override | 
| Unregisters this maptool from the cad dock widget.  More... | |
| void | deleteTempRubberBand () | 
| Clean a temporary rubberband.  More... | |
| void | keyPressEvent (QKeyEvent *e) override | 
| Intercept key events like Esc or Del to delete the last point.  More... | |
| QgsPoint | mapPoint (const QgsMapMouseEvent &e) const | 
| Creates a QgsPoint with ZM support if necessary (according to the WkbType of the current layer).  More... | |
| QgsPoint | mapPoint (const QgsPointXY &point) const | 
| Creates a QgsPoint with ZM support if necessary (according to the WkbType of the current layer).  More... | |
| CaptureMode | mode () const | 
| The capture mode.  More... | |
| void | setCurrentCaptureTechnique (Qgis::CaptureTechnique technique) | 
| Sets the current capture if it is supported by the map tool.  More... | |
| void | setCurrentShapeMapTool (const QgsMapToolShapeMetadata *shapeMapToolMetadata) | 
| Sets the current shape tool.  More... | |
| QList< QgsPointLocator::Match > | snappingMatches () const | 
| Returns a list of matches for each point on the captureCurve.  More... | |
| virtual bool | supportsTechnique (Qgis::CaptureTechnique technique) const | 
Returns true if the tool supports the specified capture technique.  More... | |
| QgsRubberBand * | takeRubberBand () | 
| Returns the rubberBand currently owned by this map tool and transfers ownership to the caller.  More... | |
  Public Member Functions inherited from QgsMapToolAdvancedDigitizing | |
| QgsMapToolAdvancedDigitizing (QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDockWidget) | |
| Creates an advanced digitizing maptool.  More... | |
| void | activate () override | 
| Registers this maptool with the cad dock widget.  More... | |
| virtual void | cadCanvasMoveEvent (QgsMapMouseEvent *e) | 
| Override this method when subclassing this class.  More... | |
| virtual void | cadCanvasPressEvent (QgsMapMouseEvent *e) | 
| Override this method when subclassing this class.  More... | |
| virtual void | cadCanvasReleaseEvent (QgsMapMouseEvent *e) | 
| Override this method when subclassing this class.  More... | |
| 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.  More... | |
| void | canvasPressEvent (QgsMapMouseEvent *e) override | 
| Catch the mouse press event, filters it, transforms it to map coordinates and send it to virtual method.  More... | |
| void | canvasReleaseEvent (QgsMapMouseEvent *e) override | 
| Catch the mouse release event, filters it, transforms it to map coordinates and send it to virtual method.  More... | |
| void | deactivate () override | 
| Unregisters this maptool from the cad dock widget.  More... | |
| bool | isAdvancedDigitizingAllowed () const | 
| Returns whether functionality of advanced digitizing dock widget is currently allowed.  More... | |
| 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.  More... | |
| virtual QgsMapLayer * | layer () const | 
| Returns the layer associated with the map tool.  More... | |
| void | setSnapToLayerGridEnabled (bool snapToLayerGridEnabled) | 
| Enables or disables snap to grid of mouse events.  More... | |
| bool | snapToLayerGridEnabled () const | 
| Enables or disables snap to grid of mouse events.  More... | |
  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.  More... | |
| Flags | flags () const override | 
| Returns the flags for the map tool.  More... | |
  Public Member Functions inherited from QgsMapTool | |
| ~QgsMapTool () override | |
| QAction * | action () | 
Returns associated action with map tool or nullptr if no action is associated.  More... | |
| virtual void | activate () | 
| called when set as currently active map tool  More... | |
| QAbstractButton * | button () | 
Returns associated button with map tool or nullptr if no button is associated.  More... | |
| QgsMapCanvas * | canvas () const | 
| returns pointer to the tool's map canvas  More... | |
| virtual void | canvasDoubleClickEvent (QgsMapMouseEvent *e) | 
| Mouse double-click event for overriding. Default implementation does nothing.  More... | |
| virtual void | canvasMoveEvent (QgsMapMouseEvent *e) | 
| Mouse move event for overriding. Default implementation does nothing.  More... | |
| virtual void | canvasPressEvent (QgsMapMouseEvent *e) | 
| Mouse press event for overriding. Default implementation does nothing.  More... | |
| virtual void | canvasReleaseEvent (QgsMapMouseEvent *e) | 
| Mouse release event for overriding. Default implementation does nothing.  More... | |
| virtual bool | canvasToolTipEvent (QHelpEvent *e) | 
| Tooltip event for overriding.  More... | |
| virtual void | clean () | 
| convenient method to clean members  More... | |
| virtual void | deactivate () | 
| called when map tool is being deactivated  More... | |
| virtual Flags | flags () const | 
| Returns the flags for the map tool.  More... | |
| virtual bool | gestureEvent (QGestureEvent *e) | 
| gesture event for overriding. Default implementation does nothing.  More... | |
| bool | isActive () const | 
| Returns if the current map tool active on the map canvas.  More... | |
| virtual void | keyPressEvent (QKeyEvent *e) | 
| Key event for overriding. Default implementation does nothing.  More... | |
| virtual void | keyReleaseEvent (QKeyEvent *e) | 
| Key event for overriding. Default implementation does nothing.  More... | |
| 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.  More... | |
| 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.  More... | |
| virtual void | reactivate () | 
| Called when the map tool is being activated while it is already active.  More... | |
| void | setAction (QAction *action) | 
| Use this to associate a QAction to this maptool.  More... | |
| void | setButton (QAbstractButton *button) | 
| Use this to associate a button to this maptool.  More... | |
| virtual void | setCursor (const QCursor &cursor) | 
| Sets a user defined cursor.  More... | |
| QgsPointXY | toMapCoordinates (QPoint point) | 
| Transforms a point from screen coordinates to map coordinates.  More... | |
| QString | toolName () | 
| Emit map tool changed with the old tool.  More... | |
| virtual void | wheelEvent (QWheelEvent *e) | 
| Mouse wheel event for overriding. Default implementation does nothing.  More... | |
Additional Inherited Members | |
  Public Types inherited from QgsMapToolCapture | |
| enum | Capability { NoCapabilities = 1 << 0 , SupportsCurves = 1 << 1 , ValidateGeometries = 1 << 2 } | 
| Specific capabilities of the tool.  More... | |
| enum | CaptureMode { CaptureNone , CapturePoint , CaptureLine , CapturePolygon } | 
| Different capture modes.  More... | |
  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... | |
  Public Slots inherited from QgsMapToolCapture | |
| Q_DECL_DEPRECATED void | setCircularDigitizingEnabled (bool enable) | 
| Enable the digitizing with curve.  More... | |
| Q_DECL_DEPRECATED void | setStreamDigitizingEnabled (bool enable) | 
| Toggles the stream digitizing mode.  More... | |
  Signals inherited from QgsMapTool | |
| void | activated () | 
| signal emitted once the map tool is activated  More... | |
| void | deactivated () | 
| signal emitted once the map tool is deactivated  More... | |
| void | messageDiscarded () | 
| emit signal to clear previous message  More... | |
| void | messageEmitted (const QString &message, Qgis::MessageLevel=Qgis::MessageLevel::Info) | 
| emit a message  More... | |
| void | reactivated () | 
  Static Public Member Functions inherited from QgsMapToolEdit | |
| static double | defaultMValue () | 
| Returns default M value.  More... | |
| static double | defaultZValue () | 
| Returns default Z value.  More... | |
  Static Public Member Functions inherited from QgsMapTool | |
| static double | searchRadiusMM () | 
| Gets search radius in mm.  More... | |
| static double | searchRadiusMU (const QgsRenderContext &context) | 
| Gets search radius in map units for given context.  More... | |
| static double | searchRadiusMU (QgsMapCanvas *canvas) | 
| Gets search radius in map units for given canvas.  More... | |
  Protected Types inherited from QgsMapToolEdit | |
| enum | TopologicalResult { Success = 0 , InvalidCanvas = 1 , InvalidLayer = 2 } | 
| Result of addTopologicalPoints.  More... | |
  Protected Slots inherited from QgsMapToolCapture | |
| void | stopCapturing () | 
| Stop capturing.  More... | |
  Protected Member Functions inherited from QgsMapToolCapture | |
| int | addVertex (const QgsPointXY &mapPoint, const QgsPointLocator::Match &match) | 
| Variant to supply more information in the case of snapping.  More... | |
| int | addVertex (const QgsPointXY &point) | 
| Adds a point to the rubber band (in map coordinates) and to the capture list (in layer coordinates)  More... | |
| void | closePolygon () | 
| Close an open polygon.  More... | |
| int | fetchLayerPoint (const QgsPointLocator::Match &match, QgsPoint &layerPoint) | 
| Fetches the original point from the source layer if it has the same CRS as the current layer.  More... | |
| bool | isCapturing () const | 
| Are we currently capturing?  More... | |
| int | nextPoint (const QgsPoint &mapPoint, QgsPoint &layerPoint) | 
| Converts a map point to layer coordinates.  More... | |
| int | nextPoint (QPoint p, QgsPoint &layerPoint, QgsPoint &mapPoint) | 
| Converts a point to map coordinates and layer coordinates.  More... | |
| Q_DECL_DEPRECATED QVector< QgsPointXY > | points () const | 
| List of digitized points.  More... | |
| QgsPointSequence | pointsZM () const | 
| List of digitized points.  More... | |
| void | setPoints (const QgsPointSequence &pointList) | 
| Set the points on which to work.  More... | |
| Q_DECL_DEPRECATED void | setPoints (const QVector< QgsPointXY > &pointList) | 
| Set the points on which to work.  More... | |
| int | size () | 
| Number of points digitized.  More... | |
| void | startCapturing () | 
| Start capturing.  More... | |
| void | undo (bool isAutoRepeat=false) | 
| Removes the last vertex from mRubberBand and mCaptureList.  More... | |
  Protected Member Functions inherited from QgsMapToolAdvancedDigitizing | |
| void | setAdvancedDigitizingAllowed (bool allowed) | 
| Sets whether functionality of advanced digitizing dock widget is currently allowed.  More... | |
| 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.  More... | |
  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.  More... | |
| 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.  More... | |
| QgsRubberBand * | createRubberBand (Qgis::GeometryType geometryType=Qgis::GeometryType::Line, bool alternativeBand=false) | 
| Creates a rubber band with the color/line width from the QGIS settings.  More... | |
| QgsVectorLayer * | currentVectorLayer () | 
| Returns the current vector layer of the map canvas or 0.  More... | |
| void | notifyNotEditableLayer () | 
| Display a timed message bar noting the active vector layer is not editable.  More... | |
| void | notifyNotVectorLayer () | 
| Display a timed message bar noting the active layer is not vector.  More... | |
  Protected Member Functions inherited from QgsMapTool | |
| QgsMapTool (QgsMapCanvas *canvas) | |
| Constructor takes a map canvas as a parameter.  More... | |
| QgsMapLayer * | layer (const QString &id) | 
Returns the map layer with the matching ID, or nullptr if no layers could be found.  More... | |
| void | setToolName (const QString &name) | 
| Sets the tool's name.  More... | |
| QPoint | toCanvasCoordinates (const QgsPointXY &point) const | 
| Transforms a point from map coordinates to screen coordinates.  More... | |
| QgsPoint | toLayerCoordinates (const QgsMapLayer *layer, const QgsPoint &point) | 
| Transforms a point from map coordinates to layer coordinates.  More... | |
| QgsPointXY | toLayerCoordinates (const QgsMapLayer *layer, const QgsPointXY &point) | 
| Transforms a point from map coordinates to layer coordinates.  More... | |
| QgsRectangle | toLayerCoordinates (const QgsMapLayer *layer, const QgsRectangle &rect) | 
| Transforms a rect from map coordinates to layer coordinates.  More... | |
| QgsPointXY | toLayerCoordinates (const QgsMapLayer *layer, QPoint point) | 
| Transforms a point from screen coordinates to layer coordinates.  More... | |
| 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).  More... | |
| 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).  More... | |
  Static Protected Member Functions inherited from QgsMapToolEdit | |
| static QColor | digitizingFillColor () | 
| Returns fill color for rubber bands (from global settings)  More... | |
| static QColor | digitizingStrokeColor () | 
| Returns stroke color for rubber bands (from global settings)  More... | |
| static int | digitizingStrokeWidth () | 
| Returns stroke width for rubber bands (from global settings)  More... | |
  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.  More... | |
| QAbstractButton * | mButton = nullptr | 
| Optional pointer to a button that will be checked on map tool activation and unchecked on map tool deactivation.  More... | |
| QPointer< QgsMapCanvas > | mCanvas | 
| The pointer to the map canvas.  More... | |
| QCursor | mCursor | 
| The cursor used in the map tool.  More... | |
| QString | mToolName | 
| The translated name of the map tool.  More... | |
QgsMapToolCaptureLayerGeometry is a base class for map tools digitizing layer geometries This map tool subclass automatically handles intersection avoidance with other layers in the active project whenever a geometry is digitized by the user.
Definition at line 30 of file qgsmaptoolcapturelayergeometry.h.
      
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Constructor.
Definition at line 35 of file qgsmaptoolcapturelayergeometry.h.