Patent ID: 7782302

Claim:
A device having a memory for storing program code and a processor for processing the program code to generate a graphical user interface (GUI), the GUI comprising: a first predefined display region; a second predefined display region; and a logical barrier between the first predefined display region and the second predefined display region, the logical barrier configured to temporarily prevent movement from a selectable graphical element in the first predefined display region to a selectable graphical element in the second predefined display region responsive to input from a trackball directed towards the selectable graphical element in the second predefined display region, the logical barrier temporarily preventing the movement for a specified amount of rotation of the trackball directed towards the selectable graphical element in the second predefined display region, the second predefined display region not visible when the first predefined display region is visible on a display of the device, and the first predefined display region not visible when the second predefined display region is visible on the display of the device.