+ const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
+ const ARDOUR::Session& session = _controllable->session();
+ const framepos_t pos = session.transport_frame();
+ const ARDOUR::Tempo& tempo = session.tempo_map().tempo_at_frame (pos);
+ const double bpm = tempo.note_types_per_minute();
+ const double bps = bpm / 60.0;
+ const double freq = bps / beats;
+ _controllable->set_value(clamp(freq, desc.lower, desc.upper), Controllable::NoGroup);
+}
+
+void
+AutomationController::set_ratio(double ratio)
+{
+ const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
+ const double value = _controllable->get_value() * ratio;
+ _controllable->set_value(clamp(value, desc.lower, desc.upper), Controllable::NoGroup);
+}
+
+bool
+AutomationController::on_button_release(GdkEventButton* ev)
+{
+ using namespace Gtk::Menu_Helpers;
+
+ if (ev->button != 3) {
+ return false;
+ }
+
+ const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
+ if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
+ Gtk::Menu* menu = manage(new Menu());
+ MenuList& items = menu->items();
+ items.push_back(MenuElem(_("Select Note..."),
+ sigc::mem_fun(*this, &AutomationController::run_note_select_dialog)));
+ menu->popup(1, ev->time);
+ return true;
+ } else if (desc.unit == ARDOUR::ParameterDescriptor::HZ) {
+ Gtk::Menu* menu = manage(new Menu());
+ MenuList& items = menu->items();
+ items.push_back(MenuElem(_("Halve"),
+ sigc::bind(sigc::mem_fun(*this, &AutomationController::set_ratio),
+ 0.5)));
+ items.push_back(MenuElem(_("Double"),
+ sigc::bind(sigc::mem_fun(*this, &AutomationController::set_ratio),
+ 2.0)));
+ const bool is_audible = desc.upper > 40.0;
+ const bool is_low = desc.lower < 1.0;
+ if (is_audible) {
+ items.push_back(MenuElem(_("Select Note..."),
+ sigc::mem_fun(*this, &AutomationController::run_note_select_dialog)));
+ }
+ if (is_low) {
+ for (int beats = 1; beats <= 16; ++beats) {
+ items.push_back(MenuElem (string_compose(P_("Set to %1 beat", "Set to %1 beats", beats), beats),
+ sigc::bind(sigc::mem_fun(*this, &AutomationController::set_freq_beats),
+ (double)beats)));
+ }
+ }
+ menu->popup(1, ev->time);
+ return true;
+ }
+
+ return false;