Creates a new gsv.SourceView
By default, an empty gsv.SourceBuffer will be lazily created and can be retrieved with TextView.getBuffer.
If you want to specify your own buffer, either override the GtkTextViewClass create_buffer factory method, or use Source.viewNewWithBuffer.
a new gsv.SourceView
ConstructionException GTK+ fails to create the object.
Creates a new gsv.SourceView
By default, an empty gsv.SourceBuffer will be lazily created and can be retrieved with TextView.getBuffer.
If you want to specify your own buffer, either override the GtkTextViewClass create_buffer factory method, or use Source.viewNewWithBuffer.