Called when the button is clicked.
Return the child widget. Returns undefined if no child has been set for this border
Return the game object that this UI element is attached to. Returns undefined if the element isn't attached to a game object.
Return the widget that contains this widget, for example a border that wraps a check box. Returns undefined if this object has no parent.
Return whether the widget is currently enabled (see setEnabled).
Return whether the widget is currently visible (see setVisible).
Set the child widget. You can pass undefined to remove an existing child widget.
Set whether the widget is enabled. When a widget is disabled, users can't interact with it and it is greyed out. When a widget that contains other widgets (like VerticalBox) is disabled, all its children behave as if disabled, too. By default, widgets are enabled.
Whether to enable the widget.
Set whether the widget is visible. When a widget that contains other widgets (like VerticalBox) is invisible, all its children are invisible, too. The layout of widgets is updated when visibility changes, and invisible widgets are treated as if they don't exist.
Whether the widget is visible.
A UI button with a child widget