Method and apparatus for providing a two-dimensional position-se

Details Method and apparatus for providing a two-dimensional position-se Method and apparatus for providing a two-dimensional position-se

1993-06-29

1999-01-26

Lao, Lun-Yi

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345341, G09G 534

Patent

active

058643303

ABSTRACT:
A two-dimensional scroll icon is provided for scrolling data in a window or panel. The scroll icon has a home position. The scroll icon can be dragged in any direction away from the home position to provide scrolling. Scrolling is in the direction along an imaginary vector extending from the home position to the scroll icon. The rate of scrolling is proportional to the distance of the scroll icon from the home position. The scroll icon also has characters located thereon. Selecting the characters toggles the visibility on and off of the vertical and horizontal scroll bars along the sides of the windows.

REFERENCES:
patent: 5075673 (1991-12-01), Yanker
patent: 5169342 (1992-12-01), Steele et al.
patent: 5196838 (1993-03-01), Meier et al.
patent: 5263134 (1993-11-01), Paal et al.
DJ Schell, "Simultaneous Two Dimensional Direct Manipulation Window Scrolling", Jul. 1992, IBM Document No. AA92A062058 Microsoft Windows User's Guide, 1990-1992, pp. 386-388.

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