gtk-color-selection-has-opacity-control (object)

object -- a gtk-color-selection widget
has-opacity -- true if the color selector can set the opacity, false otherwise

Accessor of the has-opacity-control slot of the gtk-color-selection class.

The slot access function gtk-color-selection-has-opacity-control determines whether the color selector has an opacity control. The slot access function (setf gtk-color-selection-has-opacity-control) sets the color selector to use or not use opacity. The function gtk-color-selection-has-opacity-control is deprecated since version 3.4 and should not be used in newly written code.