Scrolling a target window during a drag and drop operation

Details Scrolling a target window during a drag and drop operation Scrolling a target window during a drag and drop operation

1996-05-14

1998-04-14

Black, Thomas G.

395326, 395333, G06F 314

Patent

active

057403899

ABSTRACT:
A technique for transferring a graphical object in a graphical user interface on a computer display from a source window to a target window. It is determined that a graphical object from the source window has entered the target window during a drag and drop operation. Next, it is determined that the graphical object has hit an interior boundary of the target window. The target window is scrolled so long as the graphical object continues to hit the interior boundary. Once the target location is visible in the target window, the graphical object is located at the target location at conclusion of the drag and drop operation. The invention contemplates a graphical user interface in which some target windows are scrollable during a drag and drop operation with a graphical object from a foreign window, while some windows are not. Thus, in a mixed graphical user interface, it must be determined whether the target window is scrollable during a drag and drop operation.

REFERENCES:
patent: 4774661 (1988-09-01), Kumpati
patent: 4813013 (1989-03-01), Dunn
patent: 4862390 (1989-08-01), Weiner
patent: 4866638 (1989-09-01), Cosentino et al.
patent: 5040131 (1991-08-01), Torres
patent: 5196838 (1993-03-01), Meier et al.
patent: 5212770 (1993-05-01), Smith et al.
patent: 5333247 (1994-07-01), Gest et al.
patent: 5548702 (1996-08-01), Li et al.

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