void View::zoom(double steps, int offset)
{
const double cursor_offset = _offset + _scale * offset;
- _scale *= pow(3.0/2.0, -steps);
- _scale = max(min(_scale, MaxScale), MinScale);
- _offset = cursor_offset - _scale * offset;
-
- _ruler->update();
- _viewport->update();
- update_scroll();
+ const double new_scale = max(min(_scale * pow(3.0/2.0, -steps),
+ MaxScale), MinScale);
+ const double new_offset = cursor_offset - new_scale * offset;
+ set_scale_offset(new_scale, new_offset);
}
-
void View::set_scale_offset(double scale, double offset)
{
_scale = scale;
update_scroll();
_ruler->update();
_viewport->update();
+ scale_offset_changed();
}
vector< shared_ptr<Trace> > View::get_traces() const
v_scroll_value_changed(verticalScrollBar()->sliderPosition());
}
+void View::update_viewport()
+{
+ assert(_viewport);
+ _viewport->update();
+}
+
void View::get_scroll_layout(double &length, double &offset) const
{
const shared_ptr<data::SignalData> sig_data = _session.get_data();
void View::signals_changed()
{
int offset = SignalMargin + SignalHeight;
- const vector< shared_ptr<Signal> > sigs(_session.get_signals());
- BOOST_FOREACH(shared_ptr<Signal> s, sigs) {
- s->init_context_bar_actions(NULL);
- s->set_v_offset(offset);
+ const vector< shared_ptr<Trace> > traces(get_traces());
+ BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+ t->set_view(this);
+ t->set_v_offset(offset);
offset += SignalHeight + 2 * SignalMargin;
}