| 摘要 |
A technique for increasing the capabilities of pen-based or touch-screen interfaces. The capabilities are implemented by using movements at a position above or in a parallel proximity to the display surface, referred to as a tracking or hover state. A gesture or series of gestures in the hover or tracking state can be utilized to activate localized interface widgets, such as marking menus, virtual scroll rings, etc. The gesture(s) can be preceded or followed by an optional authorization that confirms a command, action, or state. Utilization of a tracking state allows the disclosed systems, methodologies and/or devices to create a new command layer distinct from the input layer of a pen or touch display interface. Thus, user commands can be localized around a mouser or pointer maintaining user concentration while eliminating the occurrence of undesired or unintended inking on the display surface.
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