Object-oriented viewing framework having view grouping
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United States of America Patent
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Mar 25, 1997
Grant Date -
N/A
app pub date -
Dec 30, 1993
filing date -
Dec 30, 1993
priority date (Note) -
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Abstract
A view system provides an extensible mechanism for associating a logical set of windows and manipulating them as a unit. For example, operations can be applied across address spaces to all the members of the group. A group is constructed by inserting a reference to each view in the group in a layer object. The layer object, in turn, can be inserted into a data hierarchy structure in a hierarchy object. The data hierarchy structure defines front to back display levels on a display and defines which windows overlap. Since all the members of the group are in the same layer object, they move to different levels as a group. Polymorphism and extensibility are provided via the object-oriented architecture of the operating system.
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