gtk/text_view.go
func TextViewNewWithBuffer(buf *TextBuffer) (*TextView, error) {
	cbuf := buf.native()
	c := C.gtk_text_view_new_with_buffer(cbuf)
	return wrapTextView(glib.Take(unsafe.Pointer(c))), nil
}
func TextViewNewWithBuffer(buf *TextBuffer) (*TextView, error) {
	cbuf := buf.native()
	c := C.gtk_text_view_new_with_buffer(cbuf)
	return wrapTextView(glib.Take(unsafe.Pointer(c))), nil
}
// TextViewNewWithBuffer is a wrapper around gtk_text_view_new_with_buffer().