| 摘要 |
Some embodiments of the present invention provide a system that receives input from a user of a computing device. During operation, the system displays an input region to the user and receives a specification for a subregion of the input region from the user. Next, the system determines an area of the subregion. Finally, the system provides the input to the computing device based on the area of the subregion relative to the area of the input region.
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