func NewSourceBuffer() *SourceBuffer { v := C.gtk_source_buffer_new(nil) return &SourceBuffer{v, gtk.NewTextBufferFromPointer(unsafe.Pointer(v))} }
func SourceBuffer() *GtkSourceBuffer { v := C.gtk_source_buffer_new(nil) return &GtkSourceBuffer{v, gtk.GtkTextBuffer{unsafe.Pointer(v)}} }