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 #include &lt;QtDesigner&gt;
 #include &lt;QtGui&gt;
 #include &lt;QtPlugin&gt;

 #include &quot;tictactoe.h&quot;
 #include &quot;tictactoeplugin.h&quot;
 #include &quot;tictactoetaskmenu.h&quot;

 TicTacToePlugin::TicTacToePlugin(QObject *parent)
     : QObject(parent)
 {
     initialized = false;
 }

 QString TicTacToePlugin::name() const
 {
     return &quot;TicTacToe&quot;;
 }

 QString TicTacToePlugin::group() const
 {
     return &quot;Display Widgets [Examples]&quot;;
 }

 QString TicTacToePlugin::toolTip() const
 {
     return &quot;&quot;;
 }

 QString TicTacToePlugin::whatsThis() const
 {
     return &quot;&quot;;
 }

 QString TicTacToePlugin::includeFile() const
 {
     return &quot;tictactoe.h&quot;;
 }

 QIcon TicTacToePlugin::icon() const
 {
     return QIcon();
 }

 bool TicTacToePlugin::isContainer() const
 {
     return false;
 }

 QWidget *TicTacToePlugin::createWidget(QWidget *parent)
 {
     TicTacToe *ticTacToe = new TicTacToe(parent);
     ticTacToe-&gt;setState(&quot;-X-XO----&quot;);
     return ticTacToe;
 }

 bool TicTacToePlugin::isInitialized() const
 {
     return initialized;
 }

 void TicTacToePlugin::initialize(QDesignerFormEditorInterface *formEditor)
 {
     if (initialized)
         return;

     QExtensionManager *manager = formEditor-&gt;extensionManager();
     Q_ASSERT(manager != 0);

     manager-&gt;registerExtensions(new TicTacToeTaskMenuFactory(manager),
                                 Q_TYPEID(QDesignerTaskMenuExtension));

     initialized = true;
 }

 QString TicTacToePlugin::domXml() const
 {
     return QLatin1String(&quot;\
 &lt;ui language=\&quot;c++\&quot;&gt;\
     &lt;widget class=\&quot;TicTacToe\&quot; name=\&quot;ticTacToe\&quot;/&gt;\
     &lt;customwidgets&gt;\
         &lt;customwidget&gt;\
             &lt;class&gt;TicTacToe&lt;/class&gt;\
             &lt;propertyspecifications&gt;\
             &lt;stringpropertyspecification name=\&quot;state\&quot; notr=\&quot;true\&quot; type=\&quot;singleline\&quot;/&gt;\
             &lt;/propertyspecifications&gt;\
         &lt;/customwidget&gt;\
     &lt;/customwidgets&gt;\
 &lt;/ui&gt;&quot;);
 }


 Q_EXPORT_PLUGIN2(taskmenuextension, TicTacToePlugin)</pre>
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