GladeEditorProperty
@gladeeditorproperty: the object which received the signal.
@arg1:
@arg2:
@arg3:
@klass:
@use_command:
@Returns:
@widget:
@property:
@packing:
@use_command:
@Returns:
@eprop:
@property:
@eprop:
@widget:
@pspec:
@Returns:
@eprop:
@eprop: