Method and apparatus for controlling a function in a touch device

A method for controlling a function in a touch device, and a touch device comprising a display unit, a memory and a controller arranged to implement the method. The method comprises receiving a touch event input through a function button displayed on a screen. If the touch event input is released within a predetermined time then a unique function allocated to the function button is executed. Alternatively, if the touch event input is not released within the predetermined time, then an option setting function associated with the unique function allocated to the function button is executed. The option setting function comprises setting an option value. The unique function allocated to the function button is then executed according to the set option value when the touch event input is released.