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An event-driven model-view-controller framework for Smalltalk

Published: 01 September 1989 Publication History

Abstract

The Smalltalk Model-View-Controller (MVC) user interface paradigm uses polling for its input control. The polling loops consume CPU cycles even when the user is not interacting with the interface. Applications using Smalltalk as their front-end often suffer unnecessary performance loss. This paper presents a prototype event-driven MVC framework to solve these problems. A solution to the compatibility problem is also provided to allow interface objects built under both polling and event-driven mechanisms to be used by each other with no modification and no performance penalty.

References

[1]
Adams, S. S. MetaMethods: The MVC Paradigm. HOOPLA! Vol. 1, No. 4, July 1988.
[2]
Goldberg, A. & Robson, D. Smalltalk-80: the Language and Its implementation. Addison-Wesley, 1983.
[3]
Krasner, G. E. & Pops, S. T. A Cookbook for Using the Model-View- Controller User Interface Paradigm in Smalllalk-80. Journal of Object- Oriented Programming, Vol. 1, No. 3, August/September 1988. pp. 26-49.
[4]
Newman W. M., & Sproull, R. F. Principles of Interactive Computer Graphics. McGraw-Hill, Inc., 1979.
[5]
Allan M. Schiffman Time-Sharing Citizenry for Smalltalk-80 under UNIX. ParcPlace Newsletter, Vol. 1, No. 2, ParcPlace Systems, 1988. pp. 9-10.

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cover image ACM Conferences
OOPSLA '89: Conference proceedings on Object-oriented programming systems, languages and applications
September 1989
528 pages
ISBN:0897913337
DOI:10.1145/74877
  • cover image ACM SIGPLAN Notices
    ACM SIGPLAN Notices  Volume 24, Issue 10
    Special issue: Proceedings of the 1989 ACM OOPSLA conference on object-oriented programming
    Oct. 1989
    446 pages
    ISSN:0362-1340
    EISSN:1558-1160
    DOI:10.1145/74878
    Issue’s Table of Contents
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Published: 01 September 1989

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