Subgroup: other

Class: QgsIFeatureSelectionManager

class qgis.gui.QgsIFeatureSelectionManager

Bases: PyQt5.QtCore.QObject

Is an interface class to abstract feature selection handling.

e.g. QgsVectorLayer implements this interface to manage its selections.

Methods

childEvent
connectNotify
customEvent
deselect Deselect features
disconnectNotify
isSignalConnected
receivers
select Select features
selectedFeatureCount The number of features that are selected in this layer
selectedFeatureIds Return reference to identifiers of selected features
sender
senderSignalIndex
setSelectedFeatures Change selection to the new set of features.
timerEvent

Signals

selectionChanged This signal is emitted when selection was changed

Attributes

childEvent()
connectNotify()
customEvent()
deselect(self, ids: object)

Deselect features

Parameters:ids – Feature ids to deselect
disconnectNotify()
isSignalConnected()
receivers()
select(self, ids: object)

Select features

Parameters:ids – Feature ids to select
selectedFeatureCount(self) → int

The number of features that are selected in this layer

Returns:See description
selectedFeatureIds(self) → object

Return reference to identifiers of selected features

Returns:A list of QgsFeatureId’s

See also

selectedFeatures()

selectionChanged

This signal is emitted when selection was changed

Parameters:
  • selected – Newly selected feature ids
  • deselected – Ids of all features which have previously been selected but are not any more
  • clearAndSelect – In case this is set to true, the old selection was dismissed and the new selection corresponds to selected [signal]
sender()
senderSignalIndex()
setSelectedFeatures(self, ids: object)

Change selection to the new set of features. Dismisses the current selection. Will emit the selectionChanged( const :py:class:`QgsFeatureIds`&, const :py:class:`QgsFeatureIds`&, bool ) signal with the clearAndSelect flag set.

Parameters:ids – The ids which will be the new selection
timerEvent()