| 摘要 |
PROBLEM TO BE SOLVED: To display a selection menu even when swipe operation is not started from an end of a touch panel against user's intention.SOLUTION: A contact position detection unit 13 detects a contact position of a finger on a position input device, and a contact speed detection unit 14 detects an operation speed of the finger. When a menu display determination unit 15 determines that a detected contact start position of the finger and the operation speed of the finger at the contact start position coincide with an operation condition to display a selection menu on a touch panel 11 that "a contact start position of a finger is within a setting range from an end of a touch panel, and an operation speed of the finger at the contact start position is within a setting speed range," a menu display unit 16 performs display of a function selection menu to a display device of the touch panel 11. Accordingly, even when swipe operation is not started from the end of the touch panel 11 against user's intention, the function selection menu can be displayed regarding that the swipe operation is started from the end of the touch panel 11. |
