DEVICE_INPUT_TYPE_ALL, /**< Input device type which is all kinds of input devices */
DEVICE_INPUT_TYPE_MOUSE, /**< Input device type which is mouse-type */
DEVICE_INPUT_TYPE_KEYBOARD, /**< Input device type which is keyboard-type */
+ DEVICE_INPUT_TYPE_TOUCHSCREEN, /**< Input device type which is touchscreen-type */
DEVICE_INPUT_TYPE_CUSTOM_KNOB = 1000, /**< Input device type which is customed knob-type */
} device_input_type_e;