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 GtkWidget 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.
See Implementation
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.