15 Example: Using The Interface Builder
15.6 Defining the callbacks
This section shows you how to create the callback functions you need to define in order to complete the working example.
- 1. Choose File > New in the editor to create a new file.
- 2. Choose File > Save to save the file. Save it in the same directory you saved
ib-example.lisp, and call this new fileib-callbacks.lisp.
- 3. In the editor, specify the package for the callback definitions by typing the following into the
ib-callbacks.lisp file:
(in-package "COMMON-LISP-USER")
- 4. Type the function definitions given in the rest of this section.
- 5. Choose File > Save to save the file when you have typed in all the function definitions.
The functions that you need to define in this file are divided into the following categories:- Callbacks to update the display pane.
- Callbacks to display data in a dialog.
- Callbacks for menu items.
- Other miscellaneous functions.
- 15.6.1 - Callbacks to update the display pane
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- 15.6.2 - Callbacks to display data in a dialog
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- 15.6.3 - Callbacks for menu items
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- 15.6.4 - Other miscellaneous functions
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Common LispWorks User Guide, Liquid Common Lisp Version 5.0 - 18 OCT 1996 Generated with Harlequin WebMaker