-void Header::on_signals_changed()
-{
- for (shared_ptr<RowItem> r : _view) {
- assert(r);
- connect(r.get(), SIGNAL(visibility_changed()),
- this, SLOT(on_trace_changed()));
- connect(r.get(), SIGNAL(text_changed()),
- this, SLOT(on_trace_changed()));
- connect(r.get(), SIGNAL(colour_changed()),
- this, SLOT(update()));
- }
-}
-