Soft key with main function and logically related sub-functions for touch screen device

摘要

A portable electronic device that has a touch-sensitive display with one or more soft keys. Each soft key has associated thereto a main function with a default input parameter and one or more sub-functions. Each sub-function is an instance of the main function but with a modified input parameter. Each sub-function can be launched by performing two or more actions on the touch-sensitive display. One of the action is to be performed on the soft key itself. The function and the sub-function serve to process displayed content.