X position relative to src_widget
Y position relative to src_widget
location to store X position relative to dest_widget
location to store Y position relative to dest_widget
false if src_widget and dest_widget have no common ancestor. In this case, 0 is stored in *dest_x and *dest_y. Otherwise true.
Deprecated: Use gtk.widget.Widget.computePoint instead
Translate coordinates relative to src_widget’s allocation to coordinates relative to dest_widget’s allocations.
In order to perform this operation, both widget must share a common ancestor.