- if(!_view.cursors_shown())
- return;
-
- p.setPen(Qt::NoPen);
- p.setBrush(QBrush(View::CursorAreaColour));
-
- const pair<Cursor, Cursor> &c = _view.cursors();
- const float x1 = (c.first.time() - _view.offset()) / _view.scale();
- const float x2 = (c.second.time() - _view.offset()) / _view.scale();
- const int l = (int)max(min(x1, x2), 0.0f);
- const int r = (int)min(max(x1, x2), (float)width());
-
- p.drawRect(l, 0, r - l, height());
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+ assert(t);
+ connect(t.get(), SIGNAL(visibility_changed()),
+ this, SLOT(update()));
+ }