| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a GUI technology that improves operability to a display screen to which a touch input can be performed.SOLUTION: A reserved area 408 of a touch operation is set at a location where a finger (thumb) 407 of a user holding a portable terminal device in a single hand reaches out a display screen 402 having a touch sensor mounted. Then, the finger 407 is detached, the display screen 402 is tilted, and display information as whole is moved in a direction 412 corresponding to a direction 411 where a gravity acts. When a button 404 having a touch operation desired is included in the display information during a movement and the button 404 is overlapped with the reserved area 408, the touch operation to the button 404 is executed on behalf of an operator.</p> |
