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Auto-scrolling with mouse speed computation during dragging

  • US 5,726,687 A
  • Filed: 11/13/1996
  • Issued: 03/10/1998
  • Est. Priority Date: 02/22/1995
  • Status: Expired due to Term
First Claim
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1. In a computer system having a video display, a computer program displaying on the video display a window with contents and a scroll region, and an input device with an input device indicator reflecting movement of the input device on the video display, a method for displaying the contents of the window comprising the steps of:

  • under the control of the computer program,determining a location of the input device indicator on the video display when the input device is performing a drag and drop operation;

    determining a speed of the input device indicator when the location of the input device indicator is within the scroll region;

    scrolling the contents of the window in response to the input device indicator being within the scroll region and the speed being below a predefined value; and

    inhibiting the contents of the window from being scrolled when the speed is above the predefined value.

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