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| 6 | <title>QFilePreview Class</title>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QFilePreview Class Reference</h1>
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| 33 |
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| 34 | <p>The QFilePreview class provides file previewing in QFileDialog.
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| 35 | <a href="#details">More...</a>
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| 36 | <p><tt>#include <<a href="qfiledialog-h.html">qfiledialog.h</a>></tt>
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| 37 | <p><a href="qfilepreview-members.html">List of all member functions.</a>
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| 38 | <h2>Public Members</h2>
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| 39 | <ul>
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| 40 | <li class=fn><a href="#QFilePreview"><b>QFilePreview</b></a> ()</li>
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| 41 | <li class=fn>virtual void <a href="#previewUrl"><b>previewUrl</b></a> ( const QUrl & url ) = 0</li>
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| 42 | </ul>
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| 43 | <hr><a name="details"></a><h2>Detailed Description</h2>
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| 44 |
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| 45 |
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| 46 |
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| 47 | The QFilePreview class provides file previewing in <a href="qfiledialog.html">QFileDialog</a>.
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| 48 | <p> This class is an abstract base class which is used to implement
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| 49 | widgets that can display a preview of a file in a QFileDialog.
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| 50 | <p> You must derive the preview widget from both <a href="qwidget.html">QWidget</a> and from this
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| 51 | class. Then you must reimplement this class's <a href="#previewUrl">previewUrl</a>() function,
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| 52 | which is called by the file dialog if the preview of a file
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| 53 | (specified as a URL) should be shown.
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| 54 | <p> See also <a href="qfiledialog.html#setPreviewMode">QFileDialog::setPreviewMode</a>(), <a href="qfiledialog.html#setContentsPreview">QFileDialog::setContentsPreview</a>(),
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| 55 | <a href="qfiledialog.html#setInfoPreview">QFileDialog::setInfoPreview</a>(), <a href="qfiledialog.html#setInfoPreviewEnabled">QFileDialog::setInfoPreviewEnabled</a>(),
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| 56 | <a href="qfiledialog.html#setContentsPreviewEnabled">QFileDialog::setContentsPreviewEnabled</a>().
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| 57 | <p> For an example of a preview widget see qt/examples/qdir/qdir.cpp.
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| 58 | <p>See also <a href="misc.html">Miscellaneous Classes</a>.
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| 59 |
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| 60 | <hr><h2>Member Function Documentation</h2>
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| 61 | <h3 class=fn><a name="QFilePreview"></a>QFilePreview::QFilePreview ()
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| 62 | </h3>
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| 63 | Constructs the QFilePreview.
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| 64 |
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| 65 | <h3 class=fn>void <a name="previewUrl"></a>QFilePreview::previewUrl ( const <a href="qurl.html">QUrl</a> & url )<tt> [pure virtual]</tt>
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| 66 | </h3>
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| 67 |
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| 68 | <p> This function is called by <a href="qfiledialog.html">QFileDialog</a> if a preview
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| 69 | for the <em>url</em> should be shown. Reimplement this
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| 70 | function to provide file previewing.
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| 71 |
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| 72 | <!-- eof -->
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| 73 | <hr><p>
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| 74 | This file is part of the <a href="index.html">Qt toolkit</a>.
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| 75 | Copyright © 1995-2007
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| 80 | <td align=right><div align=right>Qt 3.3.8</div>
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| 81 | </table></div></address></body>
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