- // List the selected cursors
- if (_cursors.first()->selected())
- items.push_back(_cursors.first());
- if (_cursors.second()->selected())
- items.push_back(_cursors.second());
+pair<double, double> View::get_time_extents() const
+{
+ const set< shared_ptr<SignalData> > visible_data = get_visible_data();
+ if (visible_data.empty())
+ return make_pair(0.0, 0.0);
+
+ double left_time = DBL_MAX, right_time = DBL_MIN;
+ for (const shared_ptr<SignalData> d : visible_data)
+ {
+ const double start_time = d->get_start_time();
+ double samplerate = d->samplerate();
+ samplerate = (samplerate <= 0.0) ? 1.0 : samplerate;
+
+ left_time = min(left_time, start_time);
+ right_time = max(right_time, start_time +
+ d->get_max_sample_count() / samplerate);
+ }