To provide an image processing device capable of rapidly selecting processed items by a mouse operation which can be easily used by a user.

This image processing device for processing color spaces/images comprises an event control means recognizing a mouse event, a constant setting means for determination, and a gesture list setting means. When the event control means recognizes the pressing of the right side button of a mouse, the operations of the mouse after the pressing are considered to be mouse gestures. The processed items can be selected without displaying/selecting a menu by a mouse gesture processing means processing the gestures.