Patent ID: 8255927

Claim:
An event processor for notifying about a generated event to a Graphic User Interface (GUI) content reproduction section which reproduces a GUI content provided by the GUI, and outputs a reproduced display content to a drawing section; the event processor comprising: an event determining section for determining whether the generated event is a user event based on a user operation via an input device or an event other than the user event; an event control section including an interface, for notifying the GUI content reproduction section about the generated event based on a determination result from the event determining section; a user operation storing section comprising a memory device, for storing information about the user operation outputted from the event control section when the generated event is an event other than the user event; an unlock condition section; for storing, when the generated event is an event other than the user event, contents generated by the GUI content reproduction section and displayed before and after the execution of a process previously allocated to the event other than the user event, each being stored as a first display-content and a second display-content; and for determining the match of the first display-content and the second display-content; and a lock control section that controls stopping and restarting the update of drawing in the drawing section based on an order from the event control section; wherein the event control section, stops notifying the GUI content reproduction section about user events that follow notification to the GUI content reproduction section about the event other than the user event, and at the same time orders the lock control section to stop the update of drawing in the drawing section, when the generated event is an event other than the user event; and orders to have the information stored in the user operation storing section to be outputted to the GUI content reproduction section, and orders to restart the notification of the GUI content reproduction section about user events, and orders the lock control section to restart the update of drawing in the drawing section, when the first display-content and the second display-content is determined as a match by the unlock condition section.