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83 lines
3.8 KiB
83 lines
3.8 KiB
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/dialogs/qfiledialog.cpp:6419 -->
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<html>
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<title>TQFilePreview Class</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQFilePreview Class Reference</h1>
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<p>The TQFilePreview class provides file previewing in TQFileDialog.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qfiledialog-h.html">ntqfiledialog.h</a>></tt>
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<p><a href="qfilepreview-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQFilePreview"><b>TQFilePreview</b></a> ()</li>
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<li class=fn>virtual void <a href="#previewUrl"><b>previewUrl</b></a> ( const TQUrl & url ) = 0</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQFilePreview class provides file previewing in <a href="ntqfiledialog.html">TQFileDialog</a>.
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<p> This class is an abstract base class which is used to implement
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widgets that can display a preview of a file in a TQFileDialog.
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<p> You must derive the preview widget from both <a href="ntqwidget.html">TQWidget</a> and from this
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class. Then you must reimplement this class's <a href="#previewUrl">previewUrl</a>() function,
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which is called by the file dialog if the preview of a file
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(specified as a URL) should be shown.
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<p> See also <a href="ntqfiledialog.html#setPreviewMode">TQFileDialog::setPreviewMode</a>(), <a href="ntqfiledialog.html#setContentsPreview">TQFileDialog::setContentsPreview</a>(),
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<a href="ntqfiledialog.html#setInfoPreview">TQFileDialog::setInfoPreview</a>(), <a href="ntqfiledialog.html#setInfoPreviewEnabled">TQFileDialog::setInfoPreviewEnabled</a>(),
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<a href="ntqfiledialog.html#setContentsPreviewEnabled">TQFileDialog::setContentsPreviewEnabled</a>().
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<p> For an example of a preview widget see qt/examples/qdir/qdir.cpp.
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<p>See also <a href="misc.html">Miscellaneous Classes</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQFilePreview"></a>TQFilePreview::TQFilePreview ()
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</h3>
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Constructs the TQFilePreview.
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<h3 class=fn>void <a name="previewUrl"></a>TQFilePreview::previewUrl ( const <a href="ntqurl.html">TQUrl</a> & url )<tt> [pure virtual]</tt>
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</h3>
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<p> This function is called by <a href="ntqfiledialog.html">TQFileDialog</a> if a preview
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for the <em>url</em> should be shown. Reimplement this
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function to provide file previewing.
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