+
+ KEY_BACK, /**< The back key @b Since: @b 2.2 */
+ KEY_HOME, /**< The home key @b Since: @b 2.2 */
+ KEY_WEB_PAGE, /**< The web page key @b Since: @b 2.2 */
+ KEY_MAIL, /**< The email key @b Since: @b 2.2 */
+ KEY_SCREEN_SAVER, /**< The screen saver key @b Since: @b 2.2 */
+ KEY_BRIGHTNESS_DOWN, /**< The brightness reduction key @b Since: @b 2.2 */
+ KEY_BRIGHTNESS_UP, /**< The brightness increment key @b Since: @b 2.2 */
+ KEY_MUTE, /**< The mute key @b Since: @b 2.2 */
+ KEY_VOLUME_DOWN, /**< The volume decrease key @b Since: @b 2.2 */
+ KEY_VOLUME_UP, /**< The volume increase key @b Since: @b 2.2 */
+ KEY_PLAY_PAUSE, /**< The play/pause key @b Since: @b 2.2 */
+ KEY_NEXT_SONG, /**< The next song key @b Since: @b 2.2 */
+ KEY_PREVIOUS_SONG, /**< The previous song key @b Since: @b 2.2 */
+ KEY_APPS, /**< The apps key @b Since: @b 2.2 */
+ KEY_MENU, /**< The menu key @b Since: @b 2.2 */
+ KEY_SOFT_KEYBOARD, /**< The soft keyboard key @b Since: @b 2.2 */
+ KEY_SEARCH, /**< The search key @b Since: @b 2.2 */
+ KEY_VOICE, /**< The voice key @b Since: @b 2.2 */
+ KEY_QUICK_PANEL, /**< The quick panel key @b Since: @b 2.2 */
+ KEY_CLIPBOARD, /**< The clipboard key @b Since: @b 2.2 */
+ KEY_HARDWARE_MAX = INT_MAX