| 摘要 |
PROBLEM TO BE SOLVED: To accurately execute a plurality of types of screen operations including screen splitting without a malfunction in accordance with a user's touch operation onto a screen.SOLUTION: A size change instruction area and a screen splitting instruction area are defined near a boundary line of a screen. When a user starts to touch from the size change instruction area, an instruction for size change is determined, and size change processing of a screen is performed according to a moving direction of a fingertip after that. On the other hand, when the user starts to touch from the screen splitting instruction area, a screen splitting instruction is determined, and splitting processing of the screen is performed according to the moving direction of the fingertip after that. Moreover, when the user starts to touch from another area, a normal behavior is determined. |
