| 摘要 |
<p>A wireless handheld device able to accept text input, including a display screen and a virtual keypad having a plurality of keys displayed on the display screen, wherein a first key of the virtual keypad is operable to display a first character associated with the first key in a text passage shown on the display screen in response to a first contact of a pointer with a first area on the display screen corresponding to the first key, the first contact including the pointer contacting and moving from the first area along a first direction while the pointer is in continual contact with the display screen, and wherein the first key of the virtual keypad is also operable to display a second character associated with the first key in the text passage shown on the display screen in response to a second contact of the pointer with the first area the display screen corresponding to the first key, the second contact including the pointer contacting and moving fro the first area along a second direction while the pointer is in continual contact with the display screen.</p> |
