C++ NavigationView::push方法代码示例

DebugMenuView::DebugMenuView(NavigationView& nav) {
	add_items<7>({ {
		{ "Memory",      [&nav](){ nav.push(new DebugMemoryView    { nav }); } },
		{ "Radio State", [&nav](){ nav.push(new NotImplementedView { nav }); } },
		{ "SD Card",     [&nav](){ nav.push(new NotImplementedView { nav }); } },
		{ "RFFC5072",    [&nav](){ nav.push(new DebugRFFC5072View  { nav }); } },
		{ "MAX2837",     [&nav](){ nav.push(new NotImplementedView { nav }); } },
		{ "Si5351C",     [&nav](){ nav.push(new NotImplementedView { nav }); } },
		{ "WM8731",      [&nav](){ nav.push(new NotImplementedView { nav }); } },
	} });
	on_left = [&nav](){ nav.pop(); };
}

PlayDeadView::PlayDeadView(NavigationView& nav, bool booting) {
	_booting = booting;
	persistent_memory::set_playing_dead(0x59);
	
	add_children({ {
		&text_playdead1,
		&text_playdead2,
		&button_done,
	} });
	
	button_done.on_dir = [this,&nav](Button&, KeyEvent key){
		sequence = (sequence<<3) | static_cast<std::underlying_type<KeyEvent>::type>(key);
	};
	
	button_done.on_select = [this,&nav](Button&){
		if (sequence == persistent_memory::playdead_sequence()) {
			persistent_memory::set_playing_dead(0);
			if (_booting) {
				nav.pop();
				nav.push(new SystemMenuView { nav });
			} else {
				nav.pop();
			}
		} else {
			sequence = 0;
		}
	};
}

SetupMenuView::SetupMenuView(NavigationView& nav) {
    add_items<3>({ {
            { "Date/Time", [&nav]() {
                    nav.push(new SetDateTimeView { nav });
                }
            },
            { "Frequency Correction", [&nav]() {
                    nav.push(new SetFrequencyCorrectionView { nav });
                }
            },
            { "Touch",     [&nav]() {
                    nav.push(new NotImplementedView { nav });
                }
            },
        }
    });
    on_left = [&nav]() {
        nav.pop();
    };
}

ReceiverView::ReceiverView(
	NavigationView& nav,
	ReceiverModel& receiver_model
) : receiver_model(receiver_model)
{
	add_children({ {
		&rssi,
		&channel,
		&audio,
		&button_done,
		&field_frequency,
		&field_lna,
		//&options_baseband_bandwidth,
		&field_vga,
		&options_modulation,
		//&options_baseband_oversampling,
		&field_volume,
		&view_frequency_options,
		&view_rf_gain_options,
		&waterfall,
	} });

	button_done.on_select = [&nav](Button&){
		nav.pop();
	};

	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 = new FrequencyKeypadView { nav, this->receiver_model.tuning_frequency() };
		new_view->on_changed = [this](rf::Frequency f) {
			this->on_tuning_frequency_changed(f);
			this->field_frequency.set_value(f);
		};
		nav.push(new_view);
	};
	field_frequency.on_show_options = [this]() {
		this->on_show_options_frequency();
	};

	field_lna.set_value(receiver_model.lna());
	field_lna.on_change = [this](int32_t v) {
		this->on_lna_changed(v);
	};
	field_lna.on_show_options = [this]() {
		this->on_show_options_rf_gain();
	};
	/*
	options_baseband_bandwidth.set_by_value(receiver_model.baseband_bandwidth());
	options_baseband_bandwidth.on_change = [this](size_t n, OptionsField::value_t v) {
		(void)n;
		this->on_baseband_bandwidth_changed(v);
	};
	*/
	field_vga.set_value(receiver_model.vga());
	field_vga.on_change = [this](int32_t v_db) {
		this->on_vga_changed(v_db);
	};

	options_modulation.set_by_value(receiver_model.modulation());
	options_modulation.on_change = [this](size_t n, OptionsField::value_t v) {
		(void)n;
		this->on_modulation_changed(v);
	};
/*
	options_baseband_oversampling.set_by_value(receiver_model.baseband_oversampling());
	options_baseband_oversampling.on_change = [this](size_t n, OptionsField::value_t v) {
		(void)n;
		this->on_baseband_oversampling_changed(v);
	};
*/
	field_volume.set_value((receiver_model.headphone_volume() - wolfson::wm8731::headphone_gain_range.max).decibel() + 99);
	field_volume.on_change = [this](int32_t v) {
		this->on_headphone_volume_changed(v);
	};

	view_frequency_options.hidden(true);
	view_frequency_options.set_step(receiver_model.frequency_step());
	view_frequency_options.on_change_step = [this](rf::Frequency f) {
		this->on_frequency_step_changed(f);
	};
	view_frequency_options.set_reference_ppm_correction(receiver_model.reference_ppm_correction());
	view_frequency_options.on_change_reference_ppm_correction = [this](int32_t v) {
		this->on_reference_ppm_correction_changed(v);
	};

	view_rf_gain_options.hidden(true);
	view_rf_gain_options.set_rf_amp(receiver_model.rf_amp());
	view_rf_gain_options.on_change_rf_amp = [this](bool enable) {
		this->on_rf_amp_changed(enable);
	};

	receiver_model.enable();
}