Class: QgsOpacityWidget

A widget for setting an opacity value.

Class Hierarchy

Base classes

QWidget
QObject
QPaintDevice

class qgis.gui.QgsOpacityWidget

Bases: QWidget

__init__(parent: QWidget | None = None)

Constructor for QgsOpacityWidget.

Parameters:

parent (Optional[QWidget] = None)

opacity(self) → float

Returns the current opacity selected in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

See also

setOpacity()

See also

opacityChanged()

Return type:

float

signal opacityChanged

pyqtSignal(*types, name: str = …, revision: int = …, arguments: Sequence = …) -> PYQT_SIGNAL

types is normally a sequence of individual types. Each type is either a type object or a string that is the name of a C++ type. Alternatively each type could itself be a sequence of types each describing a different overloaded signal. name is the optional C++ name of the signal. If it is not specified then the name of the class attribute that is bound to the signal is used. revision is the optional revision of the signal that is exported to QML. If it is not specified then 0 is used. arguments is the optional sequence of the names of the signal’s arguments.

setOpacity(self, opacity: float)

Sets the current opacity to show in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

See also

opacity()

See also

opacityChanged()

Parameters:

opacity (float)