Translates the given point in widget's coordinates to coordinates relative to target’s coordinate system.
In order to perform this operation, both widgets must share a common ancestor.
the gtk.widget.Widget to transform into
a point in widget's coordinate system
Set to the corresponding coordinates in target's coordinate system
true if the point could be determined, false on failure. In this case, 0 is stored in out_point.
Translates the given point in widget's coordinates to coordinates relative to target’s coordinate system.
In order to perform this operation, both widgets must share a common ancestor.