void AnalogAudioView::on_modulation_changed(const ReceiverModel::Mode modulation) {
	// TODO: Terrible kludge because widget system doesn't notify Waterfall that
	// it's being shown or hidden.
	waterfall.on_hide();
	update_modulation(modulation);
	on_show_options_modulation();
	waterfall.on_show();
}
AnalogAudioView::AnalogAudioView(
	NavigationView& nav
) {
	add_children({ {
		&rssi,
		&channel,
		&audio,
		&field_frequency,
		&field_lna,
		&field_vga,
		&options_modulation,
		&field_volume,
		&record_view,
		&waterfall,
	} });

	field_frequency.set_value(receiver_model.tuning_frequency());
	field_frequency.set_step(receiver_model.frequency_step());
	field_frequency.on_change = [this](rf::Frequency f) {
		this->on_tuning_frequency_changed(f);
	};
	field_frequency.on_edit = [this, &nav]() {
		// TODO: Provide separate modal method/scheme?
		auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
		new_view->on_changed = [this](rf::Frequency f) {
			this->on_tuning_frequency_changed(f);
			this->field_frequency.set_value(f);
		};
	};

	field_frequency.on_show_options = [this]() {
		this->on_show_options_frequency();
	};

	field_lna.on_show_options = [this]() {
		this->on_show_options_rf_gain();
	};

	field_vga.on_show_options = [this]() {
		this->on_show_options_rf_gain();
	};

	const auto modulation = receiver_model.modulation();
	options_modulation.set_by_value(toUType(modulation));
	options_modulation.on_change = [this](size_t, OptionsField::value_t v) {
		this->on_modulation_changed(static_cast<ReceiverModel::Mode>(v));
	};
	options_modulation.on_show_options = [this]() {
		this->on_show_options_modulation();
	};

	field_volume.set_value((receiver_model.headphone_volume() - audio::headphone::volume_range().max).decibel() + 99);
	field_volume.on_change = [this](int32_t v) {
		this->on_headphone_volume_changed(v);
	};

	record_view.on_error = [&nav](std::string message) {
		nav.display_modal("Error", message);
	};

	audio::output::start();

	update_modulation(static_cast<ReceiverModel::Mode>(modulation));
}
void ReceiverModel::set_modulation(uint32_t v) {
	baseband_configuration.mode = v;
	update_modulation();
}