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425 lines
22 KiB
425 lines
22 KiB
14 years ago
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/extensions/activeqt/control/qaxfactory.cpp:75 -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>QAxFactory Class</title>
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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</td>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QAxFactory Class Reference<br><small>[<a href="qaxserver.html">QAxServer module</a>]</small></h1>
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<p>The QAxFactory class defines a factory for the creation of COM components.
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<a href="#details">More...</a>
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<p>This class is part of the <b>Qt ActiveQt Extension</b>.
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<p><tt>#include <<a href="qaxfactory-h.html">qaxfactory.h</a>></tt>
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<p><a href="qaxfactory-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#QAxFactory"><b>QAxFactory</b></a> ( const QUuid & libid, const QUuid & appid )</li>
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<li class=fn>virtual <a href="#~QAxFactory"><b>~QAxFactory</b></a> ()</li>
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<li class=fn>virtual QStringList <a href="#featureList"><b>featureList</b></a> () const = 0</li>
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<li class=fn>virtual QWidget * <a href="#create"><b>create</b></a> ( const QString & key, QWidget * parent = 0, const char * name = 0 )</li>
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<li class=fn>virtual QObject * <a href="#createObject"><b>createObject</b></a> ( const QString & key, QObject * parent = 0, const char * name = 0 )</li>
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<li class=fn>virtual QMetaObject * <a href="#metaObject"><b>metaObject</b></a> ( const QString & key ) const</li>
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<li class=fn>virtual bool <a href="#createObjectWrapper"><b>createObjectWrapper</b></a> ( QObject * object, IDispatch ** wrapper )</li>
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<li class=fn>virtual QUuid <a href="#classID"><b>classID</b></a> ( const QString & key ) const</li>
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<li class=fn>virtual QUuid <a href="#interfaceID"><b>interfaceID</b></a> ( const QString & key ) const</li>
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<li class=fn>virtual QUuid <a href="#eventsID"><b>eventsID</b></a> ( const QString & key ) const</li>
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<li class=fn>virtual QUuid <a href="#typeLibID"><b>typeLibID</b></a> () const</li>
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<li class=fn>virtual QUuid <a href="#appID"><b>appID</b></a> () const</li>
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<li class=fn>virtual void <a href="#registerClass"><b>registerClass</b></a> ( const QString & key, QSettings * settings ) const</li>
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<li class=fn>virtual void <a href="#unregisterClass"><b>unregisterClass</b></a> ( const QString & key, QSettings * settings ) const</li>
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<li class=fn>virtual bool <a href="#validateLicenseKey"><b>validateLicenseKey</b></a> ( const QString & key, const QString & licenseKey ) const</li>
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<li class=fn>virtual QString <a href="#exposeToSuperClass"><b>exposeToSuperClass</b></a> ( const QString & key ) const</li>
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<li class=fn>virtual bool <a href="#stayTopLevel"><b>stayTopLevel</b></a> ( const QString & key ) const</li>
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<li class=fn>virtual bool <a href="#hasStockEvents"><b>hasStockEvents</b></a> ( const QString & key ) const</li>
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<li class=fn>virtual bool <a href="#isService"><b>isService</b></a> () const</li>
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<li class=fn>enum <a href="#ServerType-enum"><b>ServerType</b></a> { SingleInstance, MultipleInstances }</li>
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</ul>
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<h2>Static Public Members</h2>
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<ul>
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<li class=fn>bool <a href="#isServer"><b>isServer</b></a> ()</li>
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<li class=fn>QString <a href="#serverDirPath"><b>serverDirPath</b></a> ()</li>
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<li class=fn>QString <a href="#serverFilePath"><b>serverFilePath</b></a> ()</li>
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<li class=fn>bool <a href="#startServer"><b>startServer</b></a> ( ServerType type = MultipleInstances )</li>
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<li class=fn>bool <a href="#stopServer"><b>stopServer</b></a> ()</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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<p> This class is defined in the <b>Qt <a href="activeqt.html#ActiveQt">ActiveQt</a> Extension</b>, which can be found in the <tt>qt/extensions</tt> directory. It is not included in the main Qt API.
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<p>
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The QAxFactory class defines a factory for the creation of COM components.
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<p>
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<!-- index QAXFACTORY_DEFAULT --><a name="QAXFACTORY_DEFAULT"></a><!-- index QAXFACTORY_EXPORT --><a name="QAXFACTORY_EXPORT"></a><!-- index QAXFACTORY_BEGIN --><a name="QAXFACTORY_BEGIN"></a><!-- index QAXFACTORY_END --><a name="QAXFACTORY_END"></a><!-- index QAXCLASS --><a name="QAXCLASS"></a>
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<p> Implement this factory once in your ActiveX server to provide
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information about the components the server can create. If your
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server supports just a single ActiveX control, you can use the
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default factory implementation instead of implementing the factory
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yourself. Use the <a href="qaxfactory.html#QAXFACTORY_DEFAULT">QAXFACTORY_DEFAULT</a> macro in any
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implementation file (e.g. main.cpp) to instantiate and export the
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default factory:
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<p> <pre>
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#include <<a href="qapplication-h.html">qapplication.h</a>>
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#include <<a href="qaxfactory-h.html">qaxfactory.h</a>>
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#include "theactivex.h"
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QAXFACTORY_DEFAULT(
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TheActiveX, // widget class
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"{01234567-89AB-CDEF-0123-456789ABCDEF}", // class ID
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"{01234567-89AB-CDEF-0123-456789ABCDEF}", // interface ID
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"{01234567-89AB-CDEF-0123-456789ABCDEF}", // event interface ID
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"{01234567-89AB-CDEF-0123-456789ABCDEF}", // type library ID
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"{01234567-89AB-CDEF-0123-456789ABCDEF}" // application ID
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)
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</pre>
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<p> If you implement your own factory reimplement the pure virtual
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functions, provide the unique identifiers for the ActiveX
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controls, and use the <a href="qaxfactory.html#QAXFACTORY_EXPORT">QAXFACTORY_EXPORT</a> macro to instantiate
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and export it:
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<p> <pre>
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QStringList ActiveQtFactory::featureList() const
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{
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<a href="qstringlist.html">QStringList</a> list;
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list << "ActiveX1";
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list << "ActiveX2";
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...
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return list;
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}
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QWidget *ActiveQtFactory::create( const <a href="qstring.html">QString</a> &key, QWidget *parent, const char *name )
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{
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if ( key == "ActiveX1" )
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return new ActiveX1( parent, name );
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if ( key == "ActiveX2" )
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return new ActiveX2( parent, name );
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...
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return 0;
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}
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QUuid ActiveQtFactory::classID( const <a href="qstring.html">QString</a> &key ) const
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{
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if ( key == "ActiveX1" )
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return "{01234567-89AB-CDEF-0123-456789ABCDEF}";
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...
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return QUuid();
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}
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QUuid ActiveQtFactory::interfaceID( const <a href="qstring.html">QString</a> &key ) const
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{
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if ( key == "ActiveX1" )
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return "{01234567-89AB-CDEF-0123-456789ABCDEF}";
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...
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return QUuid();
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}
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QUuid ActiveQtFactory::eventsID( const <a href="qstring.html">QString</a> &key ) const
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{
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if ( key == "ActiveX1" )
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return "{01234567-89AB-CDEF-0123-456789ABCDEF}";
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...
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return QUuid();
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}
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QAXFACTORY_EXPORT(
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MyFactory, // factory class
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"{01234567-89AB-CDEF-0123-456789ABCDEF}", // type library ID
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"{01234567-89AB-CDEF-0123-456789ABCDEF}" // application ID
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)
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</pre>
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<p> If you use the <tt>Q_CLASSINFO</tt> macro to provide the unique identifiers
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or other attributes for your class you can use the <a href="qaxfactory.html#QAXFACTORY_BEGIN">QAXFACTORY_BEGIN</a>,
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<a href="qaxfactory.html#QAXCLASS">QAXCLASS</a> and <a href="qaxfactory.html#QAXFACTORY_END">QAXFACTORY_END</a> macros to expose one or more classes
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as COM objects.
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<p> <pre>
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QAXFACTORY_BEGIN(
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"{01234567-89AB-CDEF-0123-456789ABCDEF}", // type library ID
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"{01234567-89AB-CDEF-0123-456789ABCDEF}" // application ID
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)
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QAXCLASS(Class1)
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QAXCLASS(Class2)
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QAXFACTORY_END()
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</pre>
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<p> Only one QAxFactory implementation may be instantiated and
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exported by an ActiveX server application. This instance is accessible
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through the global qAxFactory() function.
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<p> A factory can also reimplement the <a href="#registerClass">registerClass</a>() and
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<a href="#unregisterClass">unregisterClass</a>() functions to set additional flags for an ActiveX
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control in the registry. To limit the number of methods or
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properties a widget class exposes from its parent classes
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reimplement <a href="#exposeToSuperClass">exposeToSuperClass</a>().
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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="ServerType-enum"></a>QAxFactory::ServerType</h3>
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<p> This enum specifies the different types of servers that can be
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started with startServer.
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<ul>
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<li><tt>QAxFactory::SingleInstance</tt> - The server can create only one instance of each
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supplied class.
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<li><tt>QAxFactory::MultipleInstances</tt> - The server can create multiple instances of
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each supplied class.
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="QAxFactory"></a>QAxFactory::QAxFactory ( const <a href="quuid.html">QUuid</a> & libid, const <a href="quuid.html">QUuid</a> & appid )
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</h3>
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Constructs a QAxFactory object that returns <em>libid</em> and <em>appid</em>
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in the implementation of the respective interface functions.
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<h3 class=fn><a name="~QAxFactory"></a>QAxFactory::~QAxFactory ()<tt> [virtual]</tt>
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</h3>
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Destroys the QAxFactory object.
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<h3 class=fn><a href="quuid.html">QUuid</a> <a name="appID"></a>QAxFactory::appID () const<tt> [virtual]</tt>
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</h3>
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<p> Reimplement this function to return the ActiveX server's
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application identifier.
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<h3 class=fn><a href="quuid.html">QUuid</a> <a name="classID"></a>QAxFactory::classID ( const <a href="qstring.html">QString</a> & key ) const<tt> [virtual]</tt>
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</h3>
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Reimplement this function to return the class identifier for each
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<em>key</em> returned by the <a href="#featureList">featureList</a>() implementation, or an empty
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<a href="quuid.html">QUuid</a> if this factory doesn't support the value of <em>key</em>.
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<p> The default implementation interprets <em>key</em> as the class name,
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and returns the value of the Q_CLASSINFO entry "ClassID".
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<h3 class=fn><a href="qwidget.html">QWidget</a> * <a name="create"></a>QAxFactory::create ( const <a href="qstring.html">QString</a> & key, <a href="qwidget.html">QWidget</a> * parent = 0, const char * name = 0 )<tt> [virtual]</tt>
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</h3>
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Reimplement this function to return a new widget for <em>key</em>.
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Propagate <em>parent</em> and <em>name</em> to the <a href="qwidget.html">QWidget</a> constructor. Return
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0 if this factory doesn't support the value of <em>key</em>.
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<p> The returned widget will be exposed as an ActiveX control, e.g.
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a COM object that can be embedded as a control into applications.
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<p> The default implementation returns 0.
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<h3 class=fn><a href="qobject.html">QObject</a> * <a name="createObject"></a>QAxFactory::createObject ( const <a href="qstring.html">QString</a> & key, <a href="qobject.html">QObject</a> * parent = 0, const char * name = 0 )<tt> [virtual]</tt>
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</h3>
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Reimplement this function to return a new object for <em>key</em>.
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Propagate <em>parent</em> and <em>name</em> to the <a href="qwidget.html">QWidget</a> constructor. Return
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0 if this factory doesn't support the value of <em>key</em>.
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<p> If the object returned is a QWidget it will be exposed as an ActiveX
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control, otherwise the returned object will be exposed as a COM object.
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<p> The default implementation returns the result <a href="#create">QAxFactory::create</a>() if
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<em>parent</em> is 0 or a widget, otherwise returns 0.
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<h3 class=fn>bool <a name="createObjectWrapper"></a>QAxFactory::createObjectWrapper ( <a href="qobject.html">QObject</a> * object, IDispatch ** wrapper )<tt> [virtual]</tt>
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</h3>
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<p> Reimplement this function to provide the COM object for <em>object</em>
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in <em>wrapper</em>. Return TRUE if the function was successfull, otherwise
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return FALSE.
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<p> The default implementation creates a generic automation wrapper based
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on the <a href="metaobjects.html#meta-object">meta object</a> information of <em>object</em>.
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<h3 class=fn><a href="quuid.html">QUuid</a> <a name="eventsID"></a>QAxFactory::eventsID ( const <a href="qstring.html">QString</a> & key ) const<tt> [virtual]</tt>
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</h3>
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Reimplement this function to return the identifier of the event
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interface for each <em>key</em> returned by the <a href="#featureList">featureList</a>()
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implementation, or an empty <a href="quuid.html">QUuid</a> if this factory doesn't support
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the value of <em>key</em>.
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<p> The default implementation interprets <em>key</em> as the class name,
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and returns the value of the Q_CLASSINFO entry "EventsID".
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<h3 class=fn><a href="qstring.html">QString</a> <a name="exposeToSuperClass"></a>QAxFactory::exposeToSuperClass ( const <a href="qstring.html">QString</a> & key ) const<tt> [virtual]</tt>
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</h3>
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Reimplement this function to return the name of the super class of
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<em>key</em> up to which methods and properties should be exposed by the
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ActiveX control.
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<p> The default implementation interprets <em>key</em> as the class name,
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and returns the value of the Q_CLASSINFO entry "ToSuperClass". If
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no such value is set the null-string is returned, and the functions
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and properties of all the super classes including <a href="qwidget.html">QWidget</a> will be
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exposed.
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<p> To only expose the functions and properties of the class itself,
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reimplement this function to return <em>key</em>.
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<h3 class=fn><a href="qstringlist.html">QStringList</a> <a name="featureList"></a>QAxFactory::featureList () const<tt> [pure virtual]</tt>
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</h3>
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<p> Reimplement this function to return a list of the widgets (class
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names) supported by this factory.
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<h3 class=fn>bool <a name="hasStockEvents"></a>QAxFactory::hasStockEvents ( const <a href="qstring.html">QString</a> & key ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Reimplement this function to return TRUE if the ActiveX control
|
||
|
|
<em>key</em> should support the standard ActiveX events
|
||
|
|
<ul>
|
||
|
|
<li> Click
|
||
|
|
<li> DblClick
|
||
|
|
<li> KeyDown
|
||
|
|
<li> KeyPress
|
||
|
|
<li> KeyUp
|
||
|
|
<li> MouseDown
|
||
|
|
<li> MouseUp
|
||
|
|
<li> MouseMove
|
||
|
|
</ul>
|
||
|
|
<p> The default implementation interprets <em>key</em> as the class name,
|
||
|
|
and returns TRUE if the value of the Q_CLASSINFO entry "StockEvents"
|
||
|
|
is "yes". Otherwise this function returns FALSE.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="quuid.html">QUuid</a> <a name="interfaceID"></a>QAxFactory::interfaceID ( const <a href="qstring.html">QString</a> & key ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Reimplement this function to return the interface identifier for
|
||
|
|
each <em>key</em> returned by the <a href="#featureList">featureList</a>() implementation, or an
|
||
|
|
empty <a href="quuid.html">QUuid</a> if this factory doesn't support the value of <em>key</em>.
|
||
|
|
<p> The default implementation interprets <em>key</em> as the class name,
|
||
|
|
and returns the value of the Q_CLASSINFO entry "InterfaceID".
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="isServer"></a>QAxFactory::isServer ()<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the application has been started (by COM) as an ActiveX
|
||
|
|
server, otherwise returns FALSE.
|
||
|
|
<p> <pre>
|
||
|
|
int main( int argc, char**argv )
|
||
|
|
{
|
||
|
|
<a href="qapplication.html">QApplication</a> app( argc, argv );
|
||
|
|
|
||
|
|
if ( !QAxFactory::isServer() ) {
|
||
|
|
// initialize for stand-alone execution
|
||
|
|
}
|
||
|
|
|
||
|
|
return app.<a href="qapplication.html#exec">exec</a>() // standard event processing
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="isService"></a>QAxFactory::isService () const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Reimplement this function to return TRUE if the server is
|
||
|
|
running as a persistent service (e.g. an NT service) and should
|
||
|
|
not terminate even when all objects provided have been released.
|
||
|
|
<p> The default implementation returns FALSE.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qmetaobject.html">QMetaObject</a> * <a name="metaObject"></a>QAxFactory::metaObject ( const <a href="qstring.html">QString</a> & key ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Reimplement this function to return the <a href="qmetaobject.html">QMetaObject</a> corresponding to
|
||
|
|
<em>key</em>, or 0 if this factory doesn't support the value of <em>key</em>.
|
||
|
|
<p> The default implementation returns the QMetaObject for the class
|
||
|
|
<em>key</em>.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="registerClass"></a>QAxFactory::registerClass ( const <a href="qstring.html">QString</a> & key, <a href="qsettings.html">QSettings</a> * settings ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Registers additional values for the class <em>key</em> in the system
|
||
|
|
registry using the <em>settings</em> object. The standard values have
|
||
|
|
already been registed by the framework, but additional values,
|
||
|
|
e.g. implemented categories, can be added in an implementation of
|
||
|
|
this function.
|
||
|
|
<p> <pre>
|
||
|
|
settings->writeEntry( "/CLSID/" + classID(key) + "/Implemented Categories/{00000000-0000-0000-000000000000}/.", QString::null );
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
<p> If you reimplement this function you must also reimplement
|
||
|
|
<a href="#unregisterClass">unregisterClass</a>() to remove the additional registry values.
|
||
|
|
<p> <p>See also <a href="qsettings.html">QSettings</a>.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qstring.html">QString</a> <a name="serverDirPath"></a>QAxFactory::serverDirPath ()<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns the directory that contains the server binary.
|
||
|
|
<p> For out-of-process servers this is the same as
|
||
|
|
<a href="qapplication.html#applicationDirPath">QApplication::applicationDirPath</a>(). For in-process servers
|
||
|
|
that function returns the directory that contains the hosting
|
||
|
|
application.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qstring.html">QString</a> <a name="serverFilePath"></a>QAxFactory::serverFilePath ()<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns the file path of the server binary.
|
||
|
|
<p> For out-of-process servers this is the same as
|
||
|
|
<a href="qapplication.html#applicationFilePath">QApplication::applicationFilePath</a>(). For in-process servers
|
||
|
|
that function returns the file path of the hosting application.
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="startServer"></a>QAxFactory::startServer ( <a href="qaxfactory.html#ServerType-enum">ServerType</a> type = MultipleInstances )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
|
||
|
|
<p> Starts the COM server with <em>type</em> and returns TRUE if successful,
|
||
|
|
otherwise returns FALSE.
|
||
|
|
<p> Calling this function if the server is already running (or for an
|
||
|
|
in-process server) does nothing and returns TRUE.
|
||
|
|
<p> The server is started automatically with <em>type</em> set to MultipleUse
|
||
|
|
if the server executable has been started with the <tt>-activex</tt>
|
||
|
|
command line parameter.
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="stayTopLevel"></a>QAxFactory::stayTopLevel ( const <a href="qstring.html">QString</a> & key ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Reimplement this function to return TRUE if the ActiveX control <em>key</em>
|
||
|
|
should be a top level window, e.g. a dialog. The default implementation
|
||
|
|
returns FALSE.
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="stopServer"></a>QAxFactory::stopServer ()<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
|
||
|
|
<p> Stops the COM server and returns TRUE if successful, otherwise
|
||
|
|
returns FALSE.
|
||
|
|
<p> Calling this function if the server is not running (or for an
|
||
|
|
in-process server) does nothing and returns TRUE.
|
||
|
|
<p> Stopping the server will not invalidate existing objects, but no
|
||
|
|
new objects can be created from the existing server process. Usually
|
||
|
|
COM will start a new server process if additional objects are requested.
|
||
|
|
<p> The server is stopped automatically when the main() function returns.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="quuid.html">QUuid</a> <a name="typeLibID"></a>QAxFactory::typeLibID () const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
|
||
|
|
<p> Reimplement this function to return the ActiveX server's type
|
||
|
|
library identifier.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="unregisterClass"></a>QAxFactory::unregisterClass ( const <a href="qstring.html">QString</a> & key, <a href="qsettings.html">QSettings</a> * settings ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Unregisters any additional values for the class <em>key</em> from the
|
||
|
|
system registry using the <em>settings</em> object.
|
||
|
|
<p> <pre>
|
||
|
|
settings->removeEntry( "/CLSID/" + classID(key) + "/Implemented Categories/{00000000-0000-0000-000000000000}/." );
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
<p> <p>See also <a href="#registerClass">registerClass</a>() and <a href="qsettings.html">QSettings</a>.
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="validateLicenseKey"></a>QAxFactory::validateLicenseKey ( const <a href="qstring.html">QString</a> & key, const <a href="qstring.html">QString</a> & licenseKey ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Reimplement this function to return TRUE if <em>licenseKey</em> is a valid
|
||
|
|
license for the class <em>key</em>, or if the current machine is licensed.
|
||
|
|
<p> The default implementation returns TRUE if the class <em>key</em> is not
|
||
|
|
licensed (ie. no Q_CLASSINFO attribute "LicenseKey"), or if
|
||
|
|
<em>licenseKey</em> matches the value of the "LicenseKey" attribute, or
|
||
|
|
if the machine is licensed through a .LIC file with the same filename
|
||
|
|
as this COM server.
|
||
|
|
|
||
|
|
<!-- eof -->
|
||
|
|
<hr><p>
|
||
|
|
This file is part of the <a href="index.html">Qt toolkit</a>.
|
||
|
|
Copyright © 1995-2007
|
||
|
|
<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 © 2007
|
||
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
||
|
|
<td align=right><div align=right>Qt 3.3.8</div>
|
||
|
|
</table></div></address></body>
|
||
|
|
</html>
|