Checks if the passed canvas points is inside of this widget's
the canvas point
true if this widget contains the point, false otherwise
Removes all of this widget's dynamic children
Recomputes this widget's x/y/w/h, excluding scroll
Recomputes this widget's group's x/y/w/h including scroll
Creates a menu option on the widget
The index of the menu
The verb to be displayed next to the widget's name in the context menu
Clear the menu options on a widget.