An introduction to X Window application development.

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Author
Rust, David Michael
Date
1992-03Advisor
Sengupta, Kishore
Second Reader
Bui, Tung
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Show full item recordAbstract
The challenge to developing applications for computer-based windowing systems is
generating code for the graphical interface elements. Each windowing system offers its
own set of protocols for building the graphical units, but these protocols are rarely portable
across different hardware platforms. The X Window System transcends many of these
incompatibilities and offers a standard for creating graphics. It is operating system and
network independent. However, the basic programming library for X Window offers little
sophistication for an application's graphical interface development. Higher level tools
make up for the shortcomings of the generic X Window System.
This thesis converts an Expert System Knowledge Acquisition and Policy Evaluation
program using Cognitive Feedback (ESKAPE/CF) from the SunView windowing system
to X Window. The new application, called XESKAPE/CF, contains the same functionality
as the original program even though the migration from SunView to X Window required
an extensive reworking of the program's interface code. The thesis also extends the basic
X Window library of functions with more advanced objects. These objects offer additional
functionality to the XESKAPE/CF application's interface.
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