Object-oriented system for servicing windows
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United States of America Patent
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-
Sep 16, 1997
Grant Date -
N/A
app pub date -
Dec 18, 1995
filing date -
Oct 25, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A window server communicates with clients and creates, destroys and modifies window objects. Objects are created in response to parameters provided by clients. Clients can obtain a variety of information regarding windows managed by the window server. Hardware windows are supported by subclassing objects, which provides polymorphic screen objects. Therefore, it does not matter whether the window is created by a hardware or software entity. Clients may be notified by the window server in response to certain events occurring with respect to particular windows, such as a configuration change. The window server also dynamically manages a default window layering scheme which takes into account the parameters specified, or not specified, by clients as well as the characteristics of the windows currently being managed by the window server. The window server also supports window clustering, which allows a window to span monitors. The window server also allows extensive changes to the characteristics of the desktop in response to configuration programs.
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