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Design of VACL: a visual script language system which controls and extends applications on a graphical user interface environment

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3 Author(s)
Shigesada, Y. ; Graduate Sch. of Sci., Tokyo Univ., Japan ; Koshizuka, N. ; Sakamura, K.

We are constructing a new visual script language system called VACL (Visual Application Control Language). The purpose of this script language system is to perform batch operations efficiently in a graphical user interface (GUI) environment and to extend GUI applications. This system represents a script program as a `post-it' (or `fusen') on a display. A user can launch a script program by attaching a fusen on to the window of the appropriate application. We call this kind of execution mechanism a `fusen metaphor'. This script language system has four major benefits. First, the script program to control an application can be written transparently from the application and in a highly abstract manner. Second, a script program that extends an application can be written transparently from the application. Third, the fusen metaphor enhances the reusability of the script program and provides a hypertext programming environment. Fourth, by describing the script program visually, the programmer can describe a 2D GUI application object in a natural and easy form

Published in:

TRON Project International Symposium, 1996. TEPS '96

Date of Conference:

4-7 Dec 1996