public class ScaleButton : Widget, Accessible, Buildable, ConstraintTarget, Orientable
ScaleButton provides a button which pops up a scale widget.
This kind of widget is commonly used for volume controls in multimedia applications, and GTK provides a VolumeButton subclass that is tailored for this use case.
GtkScaleButton has a single CSS node with name button. To differentiate it from a plain Button , it gets the .scale style class.