Patent ID: 7802201
Filing Date: 2010-09-21
Classification: G06F

Abstract:
1. A method for panning and zooming a displayed image on a display screen of a handheld electronic device using an auxiliary user input device on the handheld electronic device said method comprising: displaying an image on the display screen of the handheld electronic device that is both pannable and zoomable using the auxiliary user input device; toggling between panning and zooming modes that respectively pan and zoom the displayed image by successively actuating the auxiliary user input device on the device; said auxiliary user input device being a trackball at least rotatable up-and-down and right-and-left relative to the handheld electronic device and said trackball is press-actuable for toggling between the panning and zooming modes; requesting display of menu options of user-selectable actions associated with the displayed image responsive to actuation of the auxiliary user input device; displaying an abbreviated menu having a short list of menu options which is a subset of a full menu of options of user-selectable actions available relative to the displayed image and the user-selectable actions of said short list of menu options having been assessed a higher probability for being user-selected than at least a portion of the user-selectable actions of the full menu of options that are not included in said short list of menu options, and said short list of menu options includes an option for at least one of panning and zooming the displayed image; and said short list of menu options comprising a default-designated option for one of panning and zooming the displayed image in dependence upon past activity performed relative to the displayed image whereby panning is the default-designated option when the mode immediately before was a zoom mode and zooming is the default-designated option when the mode immediately before was a pan mode.