gtk/text_view.go
func (v *TextView) SetPixelsAboveLines(px int) {
	C.gtk_text_view_set_pixels_above_lines(v.native(), C.gint(px))
}
func (v *TextView) SetPixelsAboveLines(px int) {
	C.gtk_text_view_set_pixels_above_lines(v.native(), C.gint(px))
}
// SetPixelsAboveLines is a wrapper around gtk_text_view_set_pixels_above_lines().