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# tictactoeplugin.cpp Example File
designer/taskmenuextension/tictactoeplugin.cpp

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     #include <QtDesigner>
     #include <QtGui>
     #include <QtPlugin>

     #include "tictactoe.h"
     #include "tictactoeplugin.h"
     #include "tictactoetaskmenu.h"

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

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

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

     QString TicTacToePlugin::toolTip() const
     {
         return "";
     }

     QString TicTacToePlugin::whatsThis() const
     {
         return "";
     }

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

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

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

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

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

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

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

         manager->registerExtensions(new TicTacToeTaskMenuFactory(manager),
                                     Q_TYPEID(QDesignerTaskMenuExtension));

         initialized = true;
     }

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

     Q_EXPORT_PLUGIN2(taskmenuextension, TicTacToePlugin)