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launcher.h Example File
^{tools/qtdemo/launcher.h}

    /****************************************************************************
    **
    ** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
    **
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://www.trolltech.com/products/qt/licensing.html or contact the
    ** sales department at sales@trolltech.com.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    #ifndef LAUNCHER_H
    #define LAUNCHER_H

    #include <QDir>
    #include <QDomNode>
    #include <QImage>
    #include <QMap>
    #include <QMainWindow>
    #include <QString>
    #include <QStringList>

    class DisplayShape;
    class DisplayWidget;
    class QAssistantClient;
    class QProcess;

    class Launcher : public QMainWindow
    {
        Q_OBJECT

    public:
        Launcher(QWidget *parent = 0);
        bool setup();

    public slots:
        void enableLaunching();
        void executeAction(const QString &action);
        void launchExample(const QString &example);
        void showCategories();
        void showExampleDocumentation(const QString &example);
        void showExamples(const QString &category);
        void showExampleSummary(const QString &example);
        void showParentPage();
        void updateExampleSummary();

    protected:
        void closeEvent(QCloseEvent *event);
        void resizeEvent(QResizeEvent *event);

    signals:
        void showPage();
        void windowResized();

    private slots:
        void toggleFullScreen();
        void redisplayWindow();
        void resizeWindow();

    private:
        DisplayShape *addTitle(const QString &title, qreal verticalMargin);
        DisplayShape *addTitleBackground(DisplayShape *titleShape);

        QString readExampleDescription(const QDomNode &parentNode) const;
        QString findExecutable(const QDir &dir) const;

        int readInfo(const QString &resource, const QDir &dir);

        void addVersionAndCopyright(const QRectF &rect);
        void fadeShapes();
        void findDescriptionAndImages(const QString &exampleName,
                                      const QString &docName);
        void newPage();
        void readCategoryDescription(const QDir &categoryDir,
                                     const QString &categoryName);

        bool inFullScreenResize;
        int maximumLabels;
        int slideshowFrame;
        qreal fontRatio;
        DisplayShape *currentFrame;
        DisplayWidget *display;
        QAssistantClient *assistant;
        QDir documentationDir;
        QDir imagesDir;
        QDir demosDir;
        QDir examplesDir;
        QFont buttonFont;
        QFont documentFont;
        QFont textFont;
        QFont titleFont;
        QImage qtLogo;
        QImage trolltechLogo;
        QMap<QString,QColor> categoryColors;
        QMap<QString,QColor> exampleColors;
        QMap<QProcess*,QString> runningProcesses;
        QMap<QString,QString> categoryDescriptions;
        QMap<QString,QString> exampleDescriptions;
        QMap<QString,QString> documentPaths;
        QMap<QString,QPair<QString,QString> > examplePaths;
        QMap<QString,QStringList> examples;
        QMap<QString,QStringList> imagePaths;
        QString currentCategory;
        QString currentExample;
        QStringList runningExamples;
        QStringList categories;
        QTimer *resizeTimer;
        QTimer *slideshowTimer;
    };

    #endif