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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/edba/dist/qtopia/main-Sunday/qtopia/src/libraries/qtopia/menubutton.cpp:25 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>MenuButton 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>MenuButton Class Reference</h1><p>The MenuButton class is a pushbutton with a menu.<a href="#details">More...</a><p><tt>#include <<a href="menubutton-h.html">menubutton.h</a>></tt><p><a href="menubutton-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn><a href="#MenuButton"><b>MenuButton</b></a> ( QWidget * parent, const char * name = 0 )</div></li><li><div class=fn><a href="#MenuButton-2"><b>MenuButton</b></a> ( const QStringList & items, QWidget * parent, const char * name = 0 )</div></li><li><div class=fn>void <a href="#clear"><b>clear</b></a> ()</div></li><li><div class=fn>int <a href="#currentItem"><b>currentItem</b></a> () const</div></li><li><div class=fn>QString <a href="#currentText"><b>currentText</b></a> () const</div></li><li><div class=fn>void <a href="#insertItems"><b>insertItems</b></a> ( const QStringList & items )</div></li><li><div class=fn>void <a href="#insertItem"><b>insertItem</b></a> ( const QIconSet & icon, const QString & text = QString::null )</div></li><li><div class=fn>void <a href="#insertItem-2"><b>insertItem</b></a> ( const QString & text )</div></li><li><div class=fn>void <a href="#insertSeparator"><b>insertSeparator</b></a> ()</div></li><li><div class=fn>void <a href="#setLabel"><b>setLabel</b></a> ( const QString & label )</div></li></ul><h2>Public Slots</h2><ul><li><div class=fn>void <a href="#select-2"><b>select</b></a> ( int s )</div></li><li><div class=fn>void <a href="#select"><b>select</b></a> ( const QString & s )</div></li></ul><h2>Signals</h2><ul><li><div class=fn>void <a href="#selected-2"><b>selected</b></a> ( int index )</div></li><li><div class=fn>void <a href="#selected"><b>selected</b></a> ( const QString & text )</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The MenuButton class is a pushbutton with a menu.<p> When the user presses the menubutton's pushbutton, the menu pops up.A menu is composed of menu items each of which has a string label,and optionally an icon.<p> The index of the item that the user's input device (e.g. stylus) ispointing at is the <a href="#currentItem">currentItem</a>(), whose text is available using<a href="#currentText">currentText</a>().<p> Menu items are inserted with the <a href="#MenuButton">constructor</a>, <a href="#insertItem">insertItem</a>() or <a href="#insertItems">insertItems</a>(). Separators areinserted with <a href="#insertSeparator">insertSeparator</a>(). All the items in the menu can beremoved by calling <a href="#clear">clear</a>().<p> Items can be selected programmatically using <a href="#select">select</a>(). When a menuitem is selected (programmatically or by the user), the <a href="#selected">selected</a>()signal is emitted.<p> <p>See also <a href="qtopiaemb.html">Qtopia Classes</a>.<hr><h2>Member Function Documentation</h2><h3 class=fn><a name="MenuButton"></a>MenuButton::MenuButton ( QWidget * parent, const char * name = 0 )</h3>Constructs an empty MenuButton.The standard <em>parent</em> an <em>name</em> arguments are passed to the base class.<p> <p>See also <a href="#insertItem">insertItem</a>() and <a href="#insertItems">insertItems</a>().<h3 class=fn><a name="MenuButton-2"></a>MenuButton::MenuButton ( const QStringList & items, QWidget * parent, const char * name = 0 )</h3>Constructs a MenuButton. A menu item is created (see <a href="#insertItem">insertItem</a>()and <a href="#insertItems">insertItems</a>()) for each string in the <em>items</em> string list. Thestandard <em>parent</em> an <em>name</em> arguments are passed to the baseclass.<h3 class=fn>void <a name="clear"></a>MenuButton::clear ()</h3>Removes all the menu items from the button and menu.<h3 class=fn>int <a name="currentItem"></a>MenuButton::currentItem () const</h3>Returns the index position of the current item.<h3 class=fn>QString <a name="currentText"></a>MenuButton::currentText () const</h3>Returns the label text of the current item.<h3 class=fn>void <a name="insertItem"></a>MenuButton::insertItem ( const QIconSet & icon, const QString & text = QString::null )</h3>Inserts a menu item with the icon <em>icon</em> and label <em>text</em> intothe menu.<p> <p>See also <a href="#insertItems">insertItems</a>().<h3 class=fn>void <a name="insertItem-2"></a>MenuButton::insertItem ( const QString & text )</h3>This is an overloaded member function, provided for convenience. It behaves essentially like the above function.<p> Inserts a menu item with the label <em>text</em> into the menu.<p> <p>See also <a href="#insertItems">insertItems</a>().<h3 class=fn>void <a name="insertItems"></a>MenuButton::insertItems ( const QStringList & items )</h3>A menu item is created (see <a href="#insertItem">insertItem</a>()) for each string in the <em>items</em> string list. If any string is "--" a separator (see<a href="#insertSeparator">insertSeparator</a>()) is inserted in its place.<h3 class=fn>void <a name="insertSeparator"></a>MenuButton::insertSeparator ()</h3>Inserts a separator into the menu.<p> <p>See also <a href="#insertItems">insertItems</a>().<h3 class=fn>void <a name="select"></a>MenuButton::select ( const QString & s )<tt> [slot]</tt></h3>Selects the items with label text <em>s</em>.<h3 class=fn>void <a name="select-2"></a>MenuButton::select ( int s )<tt> [slot]</tt></h3>This is an overloaded member function, provided for convenience. It behaves essentially like the above function.<p> Selects the item at index position <em>s</em>.<h3 class=fn>void <a name="selected"></a>MenuButton::selected ( const QString & text )<tt> [signal]</tt></h3><p> This signal is emitted when the item with the label <em>text</em> is selected.<h3 class=fn>void <a name="selected-2"></a>MenuButton::selected ( int index )<tt> [signal]</tt></h3>This is an overloaded member function, provided for convenience. It behaves essentially like the above function.<p> This signal is emitted when the item at position <em>index</em> is selected.<h3 class=fn>void <a name="setLabel"></a>MenuButton::setLabel ( const QString & label )</h3>Sets the menubutton's label. If <em>label</em> is empty, thecurrent item text is displayed, otherwise <em>label</em> should contain"%1", which will be replaced by the current item text.<!-- 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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