- Qt 5.5
- Qt Designer Manual
- Task Menu Extension Example
- tictactoeplugin.cpp Example File
- Qt 5.5.1 Reference Documentation

# tictactoeplugin.cpp Example File

taskmenuextension/tictactoeplugin.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
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    **
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    #include "tictactoe.h"
    #include "tictactoeplugin.h"
    #include "tictactoetaskmenu.h"

    #include <QtDesigner/QDesignerFormEditorInterface>
    #include <QtDesigner/QExtensionManager>
    #include <QtPlugin>

    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>");
    }