International Business Machines Corporation

Yuhgoh Tanabe

Shichiro Miyashita

Toru Tachibana

A GUI permits an object to be selected without using a click button, and can be easily operated with few erroneous operations. When a user wants to select an upper scroll button 20, the user brings a pointer 32 in contact with the button 20. When the pointer 32 is moved (step 120) and contacts the scroll button 20 (step 140), the scroll button 20 is reduced by four dots toward the frame side, and the movable range of the pointer 32 is increased by four dots (step 150). The user continues to move the pointer 32 to the scroll button 20 side (step 170). When the pointer 32 contacts the scroll button 20 again (step 190), the scroll button 20 is reduced by four dots, and the movable range of the pointer 32 is increased by four dots again (150). This operation is repeated. Finally, when a count has exceeded a specific value, 3 (step 210), a depression event for the scroll button 20 is transmitted to an application program (step 220), which in turn performs scrolling of the display area (step 230).

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Yuhgoh Tanabe