new()

Bless an oject into the class ButtonControl, expects the associated Window object to be supplied as an argument.

The ButtonControl class is a base class which all TriD event controllers should inherit from. By itself it does not do much. It defines ButtonPress and ButtonRelease functions which are expected by the Event loop.

mouse_moved

A do-nothing function to prevent errors if not defined in a subclass

ButtonRelease

A do nothing function to prevent errors if not defined in a subclass

ButtonPress

Activates the viewport the mouse is inside when pressed

set_wh

Define the width and Height of the window for button control