Dodging window interference to freely share any off-the-shelf application among multiple users in co-located collaboration

Authors:
Shinichiro Sakamoto;Makoto Nakashima;Tetsuro Ito
Affiliations:
Department of Computer Science and Intelligent Systems, Oita University, Oita-shi, Oita-ken, Japan;Department of Computer Science and Intelligent Systems, Oita University, Oita-shi, Oita-ken, Japan;Department of Computer Science and Intelligent Systems, Oita University, Oita-shi, Oita-ken, Japan
Venue:
HCII'11 Proceedings of the 1st international conference on Human interface and the management of information: interacting with information - Volume Part II
Year:
2011

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Abstract

A method of dodging window interference is described for allowing multiple users to freely share any off-the-shelf single-user application in colocated collaboration utilizing a shared device. This method is indispensable for transparently realizing application sharing in light effort with a centralized architecture by using a surrogate window which is a mimic of the original application's window. Although the original application should process any event on the surrogate window, window interference could be caused by overlapping the location of an event with the surrogate window and then the event cannot be processed. To avoid window interference we formulate the method based on quadrant-based window positioning, in which the original application's window is dynamically repositioned for displaying only one quadrant of this window in one corner of the screen area. The availability of the proposed method was certified and the usability was clarified in co-located collaboration in a university laboratory.