Sets the tip area of @tooltip to be the area covered by the item at @path. See also gtk_icon_view_set_tooltip_column() for a simpler alternative. See also gtk_tooltip_set_tip_area().
a #GtkTooltip
a #GtkTreePath
See Implementation
Sets the tip area of @tooltip to be the area covered by the item at @path. See also gtk_icon_view_set_tooltip_column() for a simpler alternative. See also gtk_tooltip_set_tip_area().