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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/edba/dist/qtopia/main-Sunday/qtopia/src/libraries/qtopia/contextmenu.cpp:71 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>ContextMenu 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>ContextMenu Class Reference</h1><p>The ContextMenu class provides a QPopupMenu that is bound to acontext button.<a href="#details">More...</a><p><tt>#include <<a href="contextmenu-h.html">contextmenu.h</a>></tt><p><a href="contextmenu-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn>enum <b>EditingState</b> { Modal = 1, NonModal = 2 }</div></li><li><div class=fn><a href="#ContextMenu"><b>ContextMenu</b></a> ( QWidget * parent = 0, const char * name = 0, int state = 0 )</div></li><li><div class=fn><b>~ContextMenu</b> ()</div></li><li><div class=fn>void <a href="#setEnableHelp"><b>setEnableHelp</b></a> ( bool b )</div></li><li><div class=fn>void <a href="#addTo"><b>addTo</b></a> ( QWidget * w, int state = 0 )</div></li><li><div class=fn>void <a href="#removeFrom"><b>removeFrom</b></a> ( QWidget * w, int state = 0 )</div></li><li><div class=fn>void <a href="#insertAction"><b>insertAction</b></a> ( QAction * a, int idx = -1 )</div></li><li><div class=fn>void <a href="#addAction"><b>addAction</b></a> ( QAction * a )</div></li><li><div class=fn>void <a href="#popup"><b>popup</b></a> ()</div></li><li><div class=fn>void <a href="#popup-2"><b>popup</b></a> ( const QPoint & pos )</div></li><li><div class=fn>virtual bool <a href="#helpExists"><b>helpExists</b></a> () const</div></li></ul><h2>Public Slots</h2><ul><li><div class=fn>virtual void <a href="#help"><b>help</b></a> ()</div></li></ul><h2>Static Public Members</h2><ul><li><div class=fn>int <a href="#key"><b>key</b></a> ()</div></li><li><div class=fn>ContextMenu * <a href="#menuFor"><b>menuFor</b></a> ( QWidget * w, int state = 0 )</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The ContextMenu class provides a QPopupMenu that is bound to acontext button.<p> The Context Bar will be updated when the ContextMenu is available. Pressingthe context button will popup the ContextMenu.<p> Note that the rules for context button assignment are identical asthose for <a href="contextbar.html">ContextBar</a>, i.e. if the current focus widget does not claimthe context key or have a context menu, then the context menu or label ofan ancestor will be active.<p> ContextMenu is only available in the Qtopia Phone Edition.<p> <p>See also <a href="contextbar.html">ContextBar</a> and <a href="qtopiaphone.html">Qtopia Phone Classes</a>.<p> <hr><h2>Member Function Documentation</h2><h3 class=fn><a name="ContextMenu"></a>ContextMenu::ContextMenu ( QWidget * parent = 0, const char * name = 0, int state = 0 )</h3>Constructs a ContextMenu which will popup when Key_Menu is pressed andwidget <em>parent</em> has focus and is in modal editing state <em>state</em>.The <em>parent</em> and <em>name</em> parameters are the standard Qt parent parameters.<p> <p>See also <a href="contextbar.html">ContextBar</a>.<h3 class=fn>void <a name="addAction"></a>ContextMenu::addAction ( QAction * a )</h3>Adds action <em>a</em> to the end of the menu.<p> <p>See also insertAction.<h3 class=fn>void <a name="addTo"></a>ContextMenu::addTo ( QWidget * w, int state = 0 )</h3>Adds this ContextMenu to widget <em>w</em> for modal editing state <em>state</em>.<p> <p>See also removeFrom.<h3 class=fn>void <a name="help"></a>ContextMenu::help ()<tt> [virtual slot]</tt></h3>Invokes end-user help for the parent widget.<p> This slot is automatically connected to a 'Help' itemif <a href="#helpExists">helpExists</a>().<h3 class=fn>bool <a name="helpExists"></a>ContextMenu::helpExists () const<tt> [virtual]</tt></h3>Returns whether help exists for the parent widget.<h3 class=fn>void <a name="insertAction"></a>ContextMenu::insertAction ( QAction * a, int idx = -1 )</h3>Inserts action <em>a</em> at position <em>idx</em> in the menu.<p> <p>See also addAction.<h3 class=fn>int <a name="key"></a>ContextMenu::key ()<tt> [static]</tt></h3>Returns the context menu key.<h3 class=fn><a href="contextmenu.html">ContextMenu</a> * <a name="menuFor"></a>ContextMenu::menuFor ( QWidget * w, int state = 0 )<tt> [static]</tt></h3>Returns the ContextMenu assigned to widget <em>w</em> in modal editingstate <em>state</em>. If a ContextMenu does not yet exist for the widget,an empty menu will be created.<p> <h3 class=fn>void <a name="popup"></a>ContextMenu::popup ()</h3>Opens the popup menu in a standard position.<h3 class=fn>void <a name="popup-2"></a>ContextMenu::popup ( const QPoint & pos )</h3>Opens the popup menu at <em>pos</em>.<h3 class=fn>void <a name="removeFrom"></a>ContextMenu::removeFrom ( QWidget * w, int state = 0 )</h3>Removes this ContextMenu from widget <em>w</em> for modal editing state <em>state</em>.<p> <p>See also addTo.<h3 class=fn>void <a name="setEnableHelp"></a>ContextMenu::setEnableHelp ( bool b )</h3>Sets whether help is enabled in the context menu.<!-- 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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