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Insuring the Cursor Is Always Visible Disclosure Number: IPCOM000036404D
Original Publication Date: 1989-Sep-01
Included in the Prior Art Database: 2005-Jan-29

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DuBois, LL Malcolm, JW Weeks, RC Metzger, JS [+details]


The 3270 emulator that is contained in the OS/2* Extended Edition program supports host presentation space sizes which contain more data than can fit on the supported PC displays. This results in only part of the host presentation spaces being visible at any one time. The problem that arises in such an environment is that the user or a host application can position the cursor so that it is in that part of the presentation space that is not viewable. When the cursor is not visible, the user must manually scroll the presentation space within the viewport provided by the display in order to find the cursor. This problem is solved in the OS/2 Extended Edition program by automatically scrolling the presentation space within the viewport whenever the cursor is positioned in the part of the presentation space which cannot be viewed.