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characterwidget.h Example File
widgets/charactermap/characterwidget.h

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    **
    ** This file is part of the documentation of the Qt Toolkit.
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** accordance with the Qt Preview License Agreement provided with the
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    #ifndef CHARACTERWIDGET_H
    #define CHARACTERWIDGET_H

    #include <QFont>
    #include <QPoint>
    #include <QSize>
    #include <QString>
    #include <QWidget>

    class QMouseEvent;
    class QPaintEvent;

    class CharacterWidget : public QWidget
    {
        Q_OBJECT

    public:
        CharacterWidget(QWidget *parent = 0);
        QSize sizeHint() const;

    public slots:
        void updateFont(const QString &fontFamily);
        void updateStyle(const QString &fontStyle);

    signals:
        void characterSelected(const QString &character);

    protected:
        void mouseMoveEvent(QMouseEvent *event);
        void mousePressEvent(QMouseEvent *event);
        void paintEvent(QPaintEvent *event);

    private:
        QFont displayFont;
        int lastKey;
    };

    #endif


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Qt 4.0.1