LispWorks CAPI User Guide

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6 Laying Out CAPI Panes

So far, you have seen how you can create a variety of different window elements using the CAPI. Up to now, though, you have only created interfaces which contain one of these elements. The CAPI provides a series of layout elements which allow you to combine several elements in a single window. This chapter provides an introduction to the different types of layout available and the ways in which each can be used.

Layouts are created just like any other CAPI element, by using make-instance . Each layout must contain a description of the CAPI elements it contains, given as a list to the :description keyword.

A layout is used to group any instances of simple-pane and its subclasses (for instance all the elements you met in the last chapter), and pinboard object and its subclasses (discussed in Creating Your Own Panes). Once again, you should make sure you have defined the test-callback function before attempting any of the examples in this chapter. Its definition is repeated here for convenience.

(defun test-callback (data interface)
  (display-message "Data ~S in interface ~S" 
                   data interface))

6.1 Organizing panes in columns and rows

6.2 Other types of layout

6.3 Combining different layouts

6.4 Constraining the size of layouts

6.5 Advanced pane layouts


LispWorks CAPI User Guide (Windows version) - 22 Dec 2009

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