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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/edba/dist/qtopia/main-Sunday/qtopia/src/libraries/qtopia/categorymenu.cpp:28 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>CategoryMenu 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><td width="200" align="left" valign="top"><a href="index.html"><img height="27" width="472" src="dochead.png" border="0"></a><br><font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qtopia</font> <a href="index.html">Home</a> - <a href="qtopiaclasses.html">Classes</a> - <a href="qtopiaannotated.html">Annotated</a> - <a href="qtopiafunctions.html">Functions</a> - <a href="qtindex.html">Qt Embedded</a></td><td align="right" valign="top"> <table border="0" cellpadding="0" cellspacing="0" width="137"> <tr> <td><a href="http://www.trolltech.com/company/about/trolls.html"><img height="100" width="100" src="face.png" border="0"></a></td> <td><img height="100" width="100" src="qtlogo.png" align="top" border="0"></td> </tr> </table></td></tr></table><h1 align=center>CategoryMenu Class Reference</h1><p>The CategoryMenu widget aids in filtering records or files by Category.<a href="#details">More...</a><p><tt>#include <<a href="categorymenu-h.html">categorymenu.h</a>></tt><p><a href="categorymenu-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn><a href="#CategoryMenu"><b>CategoryMenu</b></a> ( const QString & application, bool globals, QWidget * parent = 0, const char * name = 0 )</div></li><li><div class=fn><a href="#~CategoryMenu"><b>~CategoryMenu</b></a> ()</div></li><li><div class=fn>bool <a href="#isSelected"><b>isSelected</b></a> ( const QArray<int> & cUids ) const</div></li><li><div class=fn>void <a href="#setCurrentCategory"><b>setCurrentCategory</b></a> ( int newCatUid )</div></li><li><div class=fn>void <a href="#setCurrentCategoryAll"><b>setCurrentCategoryAll</b></a> ()</div></li><li><div class=fn>void <a href="#setCurrentCategoryUnfiled"><b>setCurrentCategoryUnfiled</b></a> ()</div></li></ul><h2>Public Slots</h2><ul><li><div class=fn>void <a href="#reload"><b>reload</b></a> ()</div></li></ul><h2>Signals</h2><ul><li><div class=fn>void <a href="#categoryChange"><b>categoryChange</b></a> ()</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The CategoryMenu widget aids in filtering records or files by Category.<p> The CategoryMenu widget provides a popup menu that will make filtering recordsor files by category much easier. The widget will lookup the availablecategories for an application, populate the menu, and keep a track of whichcategories are being filtered against. A set of categories can be testedby the <a href="#isSelected">isSelected</a>() function to see if a record or file containing thosecategories would be allowed through by the filter.<p> <b>Warning:</b> Currently this class is not suitable for extending.<p> <p>See also <a href="qtopiaemb.html">Qtopia Classes</a>.<hr><h2>Member Function Documentation</h2><h3 class=fn><a name="CategoryMenu"></a>CategoryMenu::CategoryMenu ( const QString & application, bool globals, QWidget * parent = 0, const char * name = 0 )</h3>Creates a new CategoryMenu with <em>parent</em> and <em>name</em>. The menu will bepopulated with the available categories for <em>application</em>.<p> If <em>globals</em> is TRUE then it will also poplulate the menu with theglobal categories.<h3 class=fn><a name="~CategoryMenu"></a>CategoryMenu::~CategoryMenu ()</h3>Destroys a CategoryMenu.<h3 class=fn>void <a name="categoryChange"></a>CategoryMenu::categoryChange ()<tt> [signal]</tt></h3>This signal is emitted when the user selects a different category in themenu, hence changing what records or files should be selected.<h3 class=fn>bool <a name="isSelected"></a>CategoryMenu::isSelected ( const QArray<int> & cUids ) const</h3>Returns TRUE if a record or file with the set of category ids <em>cUids</em>is allowed by the current selection in the CategoryMenu.Otherwise returns FALSE.<h3 class=fn>void <a name="reload"></a>CategoryMenu::reload ()<tt> [slot]</tt></h3>Repopulates the widget's list of available categories.<h3 class=fn>void <a name="setCurrentCategory"></a>CategoryMenu::setCurrentCategory ( int newCatUid )</h3>Sets the menu to have <em>newCatUid</em> as the currently selected Category.<h3 class=fn>void <a name="setCurrentCategoryAll"></a>CategoryMenu::setCurrentCategoryAll ()</h3>Sets the menu to allow all category sets.<h3 class=fn>void <a name="setCurrentCategoryUnfiled"></a>CategoryMenu::setCurrentCategoryUnfiled ()</h3>Sets the menu to allow only empty category sets.<!-- eof --><hr><p>This file is part of the <a href="../index.html">Qtopia</a> platform,copyright © 1995-2004<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 © 2001-2004 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align="right"><div align="right">Qtopia version 2.0.0</div></table></div></address></body></html>⌨️ 快捷键说明
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