<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qmetaobject.cpp:844 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>TQMetaProperty Class</title> <style type="text/css"><!-- 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>TQMetaProperty Class Reference</h1> <p>The TQMetaProperty class stores meta data about a property. <a href="#details">More...</a> <p><tt>#include <<a href="qmetaobject-h.html">ntqmetaobject.h</a>></tt> <p><a href="qmetaproperty-members.html">List of all member functions.</a> <h2>Public Members</h2> <ul> <li class=fn>const char * <a href="#type"><b>type</b></a> () const</li> <li class=fn>const char * <a href="#name"><b>name</b></a> () const</li> <li class=fn>bool <a href="#writable"><b>writable</b></a> () const</li> <li class=fn>bool <a href="#isSetType"><b>isSetType</b></a> () const</li> <li class=fn>bool <a href="#isEnumType"><b>isEnumType</b></a> () const</li> <li class=fn>TQStrList <a href="#enumKeys"><b>enumKeys</b></a> () const</li> <li class=fn>int <a href="#keyToValue"><b>keyToValue</b></a> ( const char * key ) const</li> <li class=fn>const char * <a href="#valueToKey"><b>valueToKey</b></a> ( int value ) const</li> <li class=fn>int <a href="#keysToValue"><b>keysToValue</b></a> ( const TQStrList & keys ) const</li> <li class=fn>TQStrList <a href="#valueToKeys"><b>valueToKeys</b></a> ( int value ) const</li> <li class=fn>bool <a href="#designable"><b>designable</b></a> ( TQObject * o = 0 ) const</li> <li class=fn>bool <a href="#scriptable"><b>scriptable</b></a> ( TQObject * o = 0 ) const</li> <li class=fn>bool <a href="#stored"><b>stored</b></a> ( TQObject * o = 0 ) const</li> <li class=fn>bool <a href="#reset"><b>reset</b></a> ( TQObject * o ) const</li> </ul> <hr><a name="details"></a><h2>Detailed Description</h2> <p> The TQMetaProperty class stores meta data about a property. <p> <p> Property meta data includes <a href="#type">type</a>(), <a href="#name">name</a>(), and whether a property is <a href="#writable">writable</a>(), <a href="#designable">designable</a>() and <a href="#stored">stored</a>(). <p> The functions <a href="#isSetType">isSetType</a>(), <a href="#isEnumType">isEnumType</a>() and <a href="#enumKeys">enumKeys</a>() provide further information about a property's type. The conversion functions <a href="#keyToValue">keyToValue</a>(), <a href="#valueToKey">valueToKey</a>(), <a href="#keysToValue">keysToValue</a>() and <a href="#valueToKeys">valueToKeys</a>() allow conversion between the integer representation of an enumeration or set value and its literal representation. <p> Actual property values are set and received through <a href="ntqobject.html">TQObject</a>'s set and get functions. See <a href="ntqobject.html#setProperty">TQObject::setProperty</a>() and <a href="ntqobject.html#property">TQObject::property</a>() for details. <p> You receive meta property data through an object's <a href="metaobjects.html#meta-object">meta object</a>. See <a href="ntqmetaobject.html#property">TQMetaObject::property</a>() and <a href="ntqmetaobject.html#propertyNames">TQMetaObject::propertyNames</a>() for details. <p>See also <a href="objectmodel.html">Object Model</a>. <hr><h2>Member Function Documentation</h2> <h3 class=fn>bool <a name="designable"></a>TQMetaProperty::designable ( <a href="ntqobject.html">TQObject</a> * o = 0 ) const </h3> Returns TRUE if the property is designable for object <em>o</em>; otherwise returns FALSE. <p> If no object <em>o</em> is given, the function returns a static approximation. <h3 class=fn><a href="ntqstrlist.html">TQStrList</a> <a name="enumKeys"></a>TQMetaProperty::enumKeys () const </h3> Returns the possible enumeration keys if this property is an enumeration type (or a set type). <p> <p>See also <a href="#isEnumType">isEnumType</a>(). <h3 class=fn>bool <a name="isEnumType"></a>TQMetaProperty::isEnumType () const </h3> <p> Returns TRUE if the property's type is an enumeration value; otherwise returns FALSE. <p> <p>See also <a href="#isSetType">isSetType</a>() and <a href="#enumKeys">enumKeys</a>(). <h3 class=fn>bool <a name="isSetType"></a>TQMetaProperty::isSetType () const </h3> <p> Returns TRUE if the property's type is an enumeration value that is used as set, i.e. if the enumeration values can be OR-ed together; otherwise returns FALSE. A set type is implicitly also an enum type. <p> <p>See also <a href="#isEnumType">isEnumType</a>() and <a href="#enumKeys">enumKeys</a>(). <h3 class=fn>int <a name="keyToValue"></a>TQMetaProperty::keyToValue ( const char * key ) const </h3> Converts the enumeration key <em>key</em> to its integer value. <p> For set types, use <a href="#keysToValue">keysToValue</a>(). <p> <p>See also <a href="#valueToKey">valueToKey</a>(), <a href="#isSetType">isSetType</a>(), and <a href="#keysToValue">keysToValue</a>(). <h3 class=fn>int <a name="keysToValue"></a>TQMetaProperty::keysToValue ( const <a href="ntqstrlist.html">TQStrList</a> & keys ) const </h3> Converts the list of keys <em>keys</em> to their combined (OR-ed) integer value. <p> <p>See also <a href="#isSetType">isSetType</a>() and <a href="#valueToKey">valueToKey</a>(). <h3 class=fn>const char * <a name="name"></a>TQMetaProperty::name () const </h3> <p> Returns the name of the property. <h3 class=fn>bool <a name="reset"></a>TQMetaProperty::reset ( <a href="ntqobject.html">TQObject</a> * o ) const </h3> Tries to reset the property for object <em>o</em> with a reset method. On success, returns TRUE; otherwise returns FALSE. <p> Reset methods are optional, usually only a few properties support them. <h3 class=fn>bool <a name="scriptable"></a>TQMetaProperty::scriptable ( <a href="ntqobject.html">TQObject</a> * o = 0 ) const </h3> Returns TRUE if the property is scriptable for object <em>o</em>; otherwise returns FALSE. <p> If no object <em>o</em> is given, the function returns a static approximation. <h3 class=fn>bool <a name="stored"></a>TQMetaProperty::stored ( <a href="ntqobject.html">TQObject</a> * o = 0 ) const </h3> Returns TRUE if the property shall be stored for object <em>o</em>; otherwise returns FALSE. <p> If no object <em>o</em> is given, the function returns a static approximation. <h3 class=fn>const char * <a name="type"></a>TQMetaProperty::type () const </h3> <p> Returns the type of the property. <h3 class=fn>const char * <a name="valueToKey"></a>TQMetaProperty::valueToKey ( int value ) const </h3> Converts the enumeration value <em>value</em> to its literal key. <p> For set types, use <a href="#valueToKeys">valueToKeys</a>(). <p> <p>See also <a href="#isSetType">isSetType</a>() and <a href="#valueToKeys">valueToKeys</a>(). <h3 class=fn><a href="ntqstrlist.html">TQStrList</a> <a name="valueToKeys"></a>TQMetaProperty::valueToKeys ( int value ) const </h3> Converts the set value <em>value</em> to a list of keys. <p> <p>See also <a href="#isSetType">isSetType</a>() and <a href="#valueToKey">valueToKey</a>(). <h3 class=fn>bool <a name="writable"></a>TQMetaProperty::writable () const </h3> <p> Returns TRUE if the property is writable; otherwise returns FALSE. <p> <!-- eof --> <hr><p> This file is part of the <a href="index.html">TQt toolkit</a>. 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