See gtk_widget_path_iter_has_region(). This is a version that operates with GQuarks.
position to query, -1 for the path head
region name as a #GQuark
return location for the region flags
%TRUE if the widget at @pos has the region defined.
Deprecated: The use of regions is deprecated.
3.0
See Implementation
See gtk_widget_path_iter_has_region(). This is a version that operates with GQuarks.