Class: QgsDataDefinedValueDialog

class qgis.gui.QgsDataDefinedValueDialog(symbolList: Iterable[QgsSymbol], layer: QgsVectorLayer, label: str)

Bases: PyQt5.QtWidgets.QDialog

Constructor

Parameters:
  • symbolList – must not be empty
  • layer – must not be None
  • label – value label

Utility classes for “en masse” size definition

Enums

Methods

context Returns the context in which the symbol widget is shown, e.g., the associated map canvas and expression contexts.
dataDefinedChanged
setContext Sets the context in which the symbol widget is shown, e.g., the associated map canvas and expression contexts.
symbolDataDefined
vectorLayer Returns the vector layer associated with the widget.

Signals

Attributes

context(self) → QgsSymbolWidgetContext

Returns the context in which the symbol widget is shown, e.g., the associated map canvas and expression contexts.

See also

setContext()

New in version 3.0.

dataDefinedChanged(self)
setContext(self, context: QgsSymbolWidgetContext)

Sets the context in which the symbol widget is shown, e.g., the associated map canvas and expression contexts.

Parameters:context – symbol widget context

See also

context()

New in version 3.0.

symbolDataDefined()
vectorLayer(self) → QgsVectorLayer

Returns the vector layer associated with the widget.

New in version 2.12.