Function appendAudioDeviceMenu

src/app/AudioDisplay.cpp:94–131

};

static void appendAudioDeviceMenu(ui::Menu* menu, audio::Port* port) {
	if (!port)
		return;

	{
		AudioDeviceValueItem* item = new AudioDeviceValueItem;
		item->port = port;
		item->deviceId = -1;
		item->text = "(" + string::translate("AudioDisplay.noDevice") + ")";
		item->rightText = CHECKMARK(item->deviceId == port->getDeviceId());
		menu->addChild(item);
	}

	for (int deviceId : port->getDeviceIds()) {
		int numDeviceInputs = port->getDeviceNumInputs(deviceId);
		int numDeviceOutputs = port->getDeviceNumOutputs(deviceId);
		std::string name = port->getDeviceName(deviceId);

		// Display only 32 channel offsets per device, because some virtual devices (e.g. ALSA) can have thousands of useless channels.
		for (int i = 0; i < 32; i++) {
			int inputOffset = i * port->maxInputs;
			int outputOffset = i * port->maxOutputs;
			if (inputOffset >= numDeviceInputs && outputOffset >= numDeviceOutputs)
				break;
			int numInputs = math::clamp(numDeviceInputs - inputOffset, 0, port->maxInputs);
			int numOutputs = math::clamp(numDeviceOutputs - outputOffset, 0, port->maxOutputs);

			AudioDeviceValueItem* item = new AudioDeviceValueItem;
			item->port = port;
			item->deviceId = deviceId;
			item->inputOffset = inputOffset;
			item->outputOffset = outputOffset;
			item->text = getDetailTemplate(name, numInputs, inputOffset, numOutputs, outputOffset);
			item->rightText = CHECKMARK(deviceId == port->getDeviceId() && inputOffset == port->inputOffset && outputOffset == port->outputOffset);
			menu->addChild(item);
		}
	}
}

void AudioDeviceChoice::onAction(const ActionEvent& e) {
	ui::Menu* menu = createMenu();