int vsx, vsy;
_labels_canvas->GetViewStart (&vsx, &vsy);
gc->Translate (-vsx * _x_scroll_rate, -vsy * _y_scroll_rate + tracks_y_offset());
_labels_view->paint (gc, {});
int vsx, vsy;
_labels_canvas->GetViewStart (&vsx, &vsy);
gc->Translate (-vsx * _x_scroll_rate, -vsy * _y_scroll_rate + tracks_y_offset());
_labels_view->paint (gc, {});