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languagechooser.h Example File
^{tools/i18n/languagechooser.h}

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    ** This file is part of the documentation of the Qt Toolkit.
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    #ifndef LANGUAGECHOOSER_H
    #define LANGUAGECHOOSER_H

    #include <QDialog>
    #include <QMap>
    #include <QStringList>

    class QCheckBox;
    class QGroupBox;
    class QPushButton;
    class MainWindow;

    class LanguageChooser : public QDialog
    {
        Q_OBJECT

    public:
        LanguageChooser(QWidget *parent = 0);

    protected:
        bool eventFilter(QObject *object, QEvent *event);
        void closeEvent(QCloseEvent *event);

    private slots:
        void checkBoxToggled();
        void showAll();
        void hideAll();

    private:
        QStringList findQmFiles();
        QString languageName(const QString &qmFile);
        QColor colorForLanguage(const QString &language);

        QGroupBox *groupBox;
        QPushButton *showAllButton;
        QPushButton *hideAllButton;
        QPushButton *closeButton;
        QMap<QCheckBox *, QString> qmFileForCheckBoxMap;
        QMap<QCheckBox *, MainWindow *> mainWindowForCheckBoxMap;
    };

    #endif