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<title>GUI Development - GNU Octave</title>
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<h2 class="chapter">35 GUI Development</h2>
<p>Octave is principally a batch or command-line language. However, it does
offer some limited features for constructing graphical interfaces for
interacting with users.
<p>The GUI elements available are I/O dialogs and a progress bar. For example,
rather than hardcoding a filename for output results a script can open a dialog
box and allow the user to choose a file. Similarly, if a calculation is
expected to take a long time a script can display a progress bar.
<p>Several utility functions make it possible to store private data for use with
a GUI which will not pollute the user's variable space.
<p>Finally, a program written in Octave might want to have long term storage of
preferences or state variables. This can be done with user-defined
preferences.
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<li><a accesskey="1" href="I_002fO-Dialogs.html#I_002fO-Dialogs">I/O Dialogs</a>
<li><a accesskey="2" href="Progress-Bar.html#Progress-Bar">Progress Bar</a>
<li><a accesskey="3" href="GUI-Utility-Functions.html#GUI-Utility-Functions">GUI Utility Functions</a>
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