gtkmm: gtkmm gtkmm: gtkmm: This package provides a C++ interface for GTK+ (the Gimp ToolKit) GUI gtkmm: library. Features include type safe callbacks, widgets that are gtkmm: extensible using inheritance and over 110 classes that can be freely gtkmm: combined to quickly create complex user interfaces. gtkmm: gtkmm: gtkmm: gtkmm: gtkmm: