Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1997-04-04
1999-12-07
Sax, Steven P.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
345348, G06F 300
Patent
active
059991763
ABSTRACT:
A single scrolling control mechanism is provided for any active display window in a graphical user interface. As a different display window becomes active, a determination is made of whether the display data fits within the display window. A graphical device representing the scrolling mechanism is displayed with scrolling indicators denoting directions in which additional data may be revealed by scrolling. The scrolling indicators provide a user control for the scrolling mechanism, such that actuation of a scrolling indicator causes the display window to scroll in the indicated direction. The scrolling mechanism may be an object utilizing existing object classes and API calls for an existing operating system. The display of the scrolling indicators may be persistent (i.e. always shown) or may be contingent on whether the currently active window is scrollable. The display of scrolling indicators may be varied to visually indicate the states, including active, inactive, and in use. Other visual and auditory feedback and cues may be included in the operation of the scrolling mechanism.
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Dillon Andrew J.
International Business Machines - Corporation
LaBaw Jeffrey S.
Sax Steven P.
Venglarik Daniel E.
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