📄 qfilepreview.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/src/dialogs/qfiledialog.cpp:6115 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>QFilePreview Class</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><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><p>The QFilePreview class provides file previewing in QFileDialog.<a href="#details">More...</a><p><tt>#include <<a href="qfiledialog-h.html">qfiledialog.h</a>></tt><p><a href="qfilepreview-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn><a href="#QFilePreview"><b>QFilePreview</b></a> ()</div></li><li><div class=fn>virtual void <a href="#previewUrl"><b>previewUrl</b></a> ( const QUrl & url ) = 0</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The QFilePreview class provides file previewing in <a href="qfiledialog.html">QFileDialog</a>.<p> This class is an abstract base class which is used to implementwidgets that can display a preview of a file in a QFileDialog.<p> You must derive the preview widget from both <a href="qwidget.html">QWidget</a> and from thisclass. Then you must reimplement this class's <a href="#previewUrl">previewUrl</a>() function,which is called by the file dialog if the preview of a file(specified as a URL) should be shown.<p> See also <a href="qfiledialog.html#setPreviewMode">QFileDialog::setPreviewMode</a>(), <a href="qfiledialog.html#setContentsPreview">QFileDialog::setContentsPreview</a>(),<a href="qfiledialog.html#setInfoPreview">QFileDialog::setInfoPreview</a>(), <a href="qfiledialog.html#setInfoPreviewEnabled">QFileDialog::setInfoPreviewEnabled</a>(),<a href="qfiledialog.html#setContentsPreviewEnabled">QFileDialog::setContentsPreviewEnabled</a>().<p> For an example of a preview widget see qt/examples/qdir/qdir.cpp.<p>See also <a href="misc.html">Miscellaneous Classes</a>.<hr><h2>Member Function Documentation</h2><h3 class=fn><a name="QFilePreview"></a>QFilePreview::QFilePreview ()</h3>Constructs the QFilePreview.<h3 class=fn>void <a name="previewUrl"></a>QFilePreview::previewUrl ( const <a href="qurl.html">QUrl</a> & url )<tt> [pure virtual]</tt></h3><p> This function is called by <a href="qfiledialog.html">QFileDialog</a> if a previewfor the <em>url</em> should be shown. Reimplement thisfunction to provide file previewing.<!-- eof --><hr><p>This file is part of the <a href="index.html">Qt toolkit</a>.Copyright © 1995-2002<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -