gtk-tree-view-convert-tree-to-widget-coords (view x y)

view -- a gtk-tree-view widget
x -- an integer with the x coordinate relative to the tree view
y -- an integer with the y coordinate relative to the tree view

wx -- an integer with the widget x coordinate
wy -- an integer with the widget y coordinate

Converts tree view coordinates, coordinates in full scrollable area of the tree, to widget coordinates.