Function onConnected

core/base/Controller-linux-win32.cpp:4208–4283

    }

    static void onConnected(std::string_view deviceName, int deviceId)
    {
        // Check whether the controller is already registered
        auto iter = findController(deviceId);
        if (iter != Controller::s_allController.end())
            return;

        // It's a new controller being connected.
        auto controller         = new ax::Controller();
        controller->_deviceId   = deviceId;
        controller->_deviceName = deviceName;
        Controller::s_allController.emplace_back(controller);

        // Check if we already have an available input controller profile. If so, attach it it to the controller.
        for (const auto& it : s_controllerProfiles)
        {
            if (deviceName.compare(it.first) == 0)
            {
                // Found controller profile. Attach it to the controller:
                AXLOGD("ControllerImpl: Found input profile for controller: {}", deviceName);
                controller->_buttonInputMap = it.second.first;
                controller->_axisInputMap   = it.second.second;

// Show a one-time warning in debug mode for every button that's currently not matched in the input profile.
// This will let the developers know that the mapping must be included in the constructor of ControllerImpl located
// above.
#    ifdef _AX_DEBUG
                int count;
                glfwGetJoystickButtons(deviceId, &count);
                for (int i = 0; i < count; ++i)
                {
                    // Check the mapping of each button:
                    const auto& it = controller->_buttonInputMap.find(i);
                    if (it == controller->_buttonInputMap.end())
                    {
                        AXLOGD(
                            "ControllerImpl: Could not find a button input mapping for controller \"{}\", and keyCode "
                            "\"{}\". This keyCode will not match any from Controller::Key",
                            controller->getDeviceName(), i);
                    }
                }

                glfwGetJoystickAxes(deviceId, &count);
                for (int i = 0; i < count; ++i)
                {
                    // Check the mapping of each axis
                    const auto& it = controller->_axisInputMap.find(i);
                    if (it == controller->_axisInputMap.end())
                    {
                        AXLOGD(
                            "ControllerImpl: Could not find an axis input mapping for controller \"{}\", and keyCode "
                            "\"{}\". This keyCode will not match any from Controller::Key",
                            controller->getDeviceName(), i);
                    }
                }
#    endif

                break;