Class: QgsOpacityWidget

A widget for setting an opacity value.

Class Hierarchy

Base classes

QWidget
QObject
QPaintDevice

Methods

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

Signals

opacityChanged

Emitted when the opacity is changed in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

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(opacity: float)

Emitted when the opacity is changed in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

See also

setOpacity()

See also

opacity()

Parameters:

opacity (float)

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)