previewform.h Example File

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 #ifndef PREVIEWFORM_H
 #define PREVIEWFORM_H

 #include <QDialog>
 #include <QList>

 class QComboBox;
 class QDialogButtonBox;
 class QLabel;
 class QTextCodec;
 class QTextEdit;

 class PreviewForm : public QDialog
 {
     Q_OBJECT

 public:
     PreviewForm(QWidget *parent = 0);

     void setCodecList(const QList<QTextCodec *> &list);
     void setEncodedData(const QByteArray &data);
     QString decodedString() const { return decodedStr; }

 private slots:
     void updateTextEdit();

 private:
     QByteArray encodedData;
     QString decodedStr;

     QComboBox *encodingComboBox;
     QLabel *encodingLabel;
     QTextEdit *textEdit;
     QDialogButtonBox *buttonBox;
 };

 #endif