Patent ID: 7694234

Claim:
A machine readable storage medium containing thereon instructions which, when executed by a data processing device having a display screen and user input device, serve to configure the device to provide a display screen magnifier which is controllable by a user to magnify selected portions of a desktop including windows open on said screen, said magnifier providing a moveable magnifier frame within which a magnified image is presented, said image corresponding to screen content located within a magnification region underlying said magnifier frame, magnified to a set level of magnification, said input device including an adjustment mode that is activated and deactivated by user selection, a graphic appearing on said display screen when said adjustment mode is activated, said graphic indicating that said adjustment mode is activated, said magnifier being controllable by a user through use of said input device, when said adjustment mode is activated, to independently adjust the magnification level of the magnifier and a size of the magnifier frame, without user interaction with on-screen objects and without taking focus away from said desktop or any windows open on said screen, said graphic including direction arrows associated with adjusting the size of the magnifier frame and the magnification level of the magnifier, said input device being switchable between a magnifier and an on-screen application that has focus, said input device directing input device actions to said on-screen application that has focus when said input device is switched to said on-screen application that has focus.