qmetaobject.html
来自「QT 下载资料仅供参考」· HTML 代码 · 共 188 行
HTML
188 行
<!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/kernel/qmetaobject.cpp:75 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>QMetaObject 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>QMetaObject Class Reference</h1><p>The QMetaObject class contains meta information about Qt objects.<a href="#details">More...</a><p><tt>#include <<a href="qmetaobject-h.html">qmetaobject.h</a>></tt><p><a href="qmetaobject-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn>const char * <a href="#className"><b>className</b></a> () const</div></li><li><div class=fn>const char * <a href="#superClassName"><b>superClassName</b></a> () const</div></li><li><div class=fn>QMetaObject * <a href="#superClass"><b>superClass</b></a> () const</div></li><li><div class=fn>bool <a href="#inherits"><b>inherits</b></a> ( const char * clname ) const</div></li><li><div class=fn>int <a href="#numSlots"><b>numSlots</b></a> ( bool super = FALSE ) const</div></li><li><div class=fn>int <a href="#numSignals"><b>numSignals</b></a> ( bool super = FALSE ) const</div></li><li><div class=fn>QStrList <a href="#slotNames"><b>slotNames</b></a> ( bool super = FALSE ) const</div></li><li><div class=fn>QStrList <a href="#signalNames"><b>signalNames</b></a> ( bool super = FALSE ) const</div></li><li><div class=fn>int <a href="#numClassInfo"><b>numClassInfo</b></a> ( bool super = FALSE ) const</div></li><li><div class=fn>const QClassInfo * <a href="#classInfo"><b>classInfo</b></a> ( int index, bool super = FALSE ) const</div></li><li><div class=fn>const char * <a href="#classInfo-2"><b>classInfo</b></a> ( const char * name, bool super = FALSE ) const</div></li><li><div class=fn>const QMetaProperty * <a href="#property"><b>property</b></a> ( int index, bool super = FALSE ) const</div></li><li><div class=fn>int <a href="#findProperty"><b>findProperty</b></a> ( const char * name, bool super = FALSE ) const</div></li><li><div class=fn>QStrList <a href="#propertyNames"><b>propertyNames</b></a> ( bool super = FALSE ) const</div></li><li><div class=fn>int <a href="#numProperties"><b>numProperties</b></a> ( bool super = FALSE ) const</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The QMetaObject class contains meta information about Qt objects.<p> <p> The Meta Object System in Qt is responsible for the signals andslots inter-object communication mechanism, runtime typeinformation and the property system. All meta information in Qt iskept in a single instance of QMetaObject per class.<p> This class is not normally required for application programming.But if you write meta applications, such as scripting engines orGUI builders, you might find these functions useful:<ul><li> <a href="#className">className</a>() to get the name of a class.<li> <a href="#superClassName">superClassName</a>() to get the name of the superclass.<li> <a href="#inherits">inherits</a>(), the function called by <a href="qobject.html#inherits">QObject::inherits</a>().<li> <a href="#superClass">superClass</a>() to access the superclass's <a href="metaobjects.html#meta-object">meta object</a>.<li> <a href="#numSlots">numSlots</a>(), <a href="#numSignals">numSignals</a>(), <a href="#slotNames">slotNames</a>(), and <a href="#signalNames">signalNames</a>() to getinformation about a class's signals and slots.<li> <a href="#property">property</a>() and <a href="#propertyNames">propertyNames</a>() to obtain information about aclass's properties.</ul><p> Classes may have a list of name-value pairs of class information.The number of pairs is returned by <a href="#numClassInfo">numClassInfo</a>(), and values arereturned by <a href="#classInfo">classInfo</a>().<p> <p>See also <a href="moc.html">moc (Meta Object Compiler)</a> and <a href="objectmodel.html">Object Model</a>.<p> <hr><h2>Member Function Documentation</h2><h3 class=fn>const QClassInfo * <a name="classInfo"></a>QMetaObject::classInfo ( int index, bool super = FALSE ) const</h3>Returns the class information with index <em>index</em> or 0 if no suchinformation exists.<p> If <em>super</em> is TRUE, inherited class information is included.<h3 class=fn>const char * <a name="classInfo-2"></a>QMetaObject::classInfo ( const char * name, bool super = FALSE ) const</h3>This is an overloaded member function, provided for convenience. It behaves essentially like the above function.<p> Returns the class information with name <em>name</em> or 0 if no suchinformation exists.<p> If <em>super</em> is TRUE, inherited class information is included.<h3 class=fn>const char * <a name="className"></a>QMetaObject::className () const</h3><p> Returns the class name.<p> <p>See also <a href="qobject.html#className">QObject::className</a>() and <a href="#superClassName">superClassName</a>().<h3 class=fn>int <a name="findProperty"></a>QMetaObject::findProperty ( const char * name, bool super = FALSE ) const</h3>Returns the index for the property with name <em>name</em> or -1 if nosuch property exists.<p> If <em>super</em> is TRUE, inherited properties are included.<p> <p>See also <a href="#property">property</a>() and <a href="#propertyNames">propertyNames</a>().<h3 class=fn>bool <a name="inherits"></a>QMetaObject::inherits ( const char * clname ) const</h3>Returns TRUE if this class inherits <em>clname</em> within the <a href="metaobjects.html#meta-object">meta object</a> inheritance chain; otherwise returns FALSE.<p> (A class is considered to inherit itself.)<h3 class=fn>int <a name="numClassInfo"></a>QMetaObject::numClassInfo ( bool super = FALSE ) const</h3>Returns the number of items of class information available forthis class.<p> If <em>super</em> is TRUE, inherited class information is included.<h3 class=fn>int <a name="numProperties"></a>QMetaObject::numProperties ( bool super = FALSE ) const</h3>Returns the number of properties for this class.<p> If <em>super</em> is TRUE, inherited properties are included.<p> <p>See also <a href="#propertyNames">propertyNames</a>().<h3 class=fn>int <a name="numSignals"></a>QMetaObject::numSignals ( bool super = FALSE ) const</h3>Returns the number of signals for this class.<p> If <em>super</em> is TRUE, inherited signals are included.<p> <p>See also <a href="#signalNames">signalNames</a>().<h3 class=fn>int <a name="numSlots"></a>QMetaObject::numSlots ( bool super = FALSE ) const</h3>Returns the number of slots for this class.<p> If <em>super</em> is TRUE, inherited slots are included.<p> <p>See also <a href="#slotNames">slotNames</a>().<h3 class=fn>const <a href="qmetaproperty.html">QMetaProperty</a> * <a name="property"></a>QMetaObject::property ( int index, bool super = FALSE ) const</h3>Returns the property meta data for the property at index <em>index</em>or 0 if no such property exists.<p> If <em>super</em> is TRUE, inherited properties are included.<p> <p>See also <a href="#propertyNames">propertyNames</a>().<h3 class=fn><a href="qstrlist.html">QStrList</a> <a name="propertyNames"></a>QMetaObject::propertyNames ( bool super = FALSE ) const</h3>Returns a list with the names of all this class's properties.<p> If <em>super</em> is TRUE, inherited properties are included.<p> <p>See also <a href="#property">property</a>().<h3 class=fn><a href="qstrlist.html">QStrList</a> <a name="signalNames"></a>QMetaObject::signalNames ( bool super = FALSE ) const</h3>Returns a list with the names of all this class's signals.<p> If <em>super</em> is TRUE, inherited signals are included.<h3 class=fn><a href="qstrlist.html">QStrList</a> <a name="slotNames"></a>QMetaObject::slotNames ( bool super = FALSE ) const</h3>Returns a list with the names of all this class's slots.<p> If <em>super</em> is TRUE, inherited slots are included.<p> <p>See also <a href="#numSlots">numSlots</a>().<h3 class=fn><a href="qmetaobject.html">QMetaObject</a> * <a name="superClass"></a>QMetaObject::superClass () const</h3><p> Returns the <a href="metaobjects.html#meta-object">meta object</a> of the super class or 0 if there is nosuch object.<h3 class=fn>const char * <a name="superClassName"></a>QMetaObject::superClassName () const</h3><p> Returns the class name of the superclass or 0 if there is nosuperclass in the <a href="qobject.html">QObject</a> hierachy.<p> <p>See also <a href="#className">className</a>().<!-- 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
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?