#ifndef EDITOR_H#define EDITOR_H#include <QTextEdit>class Editor : public QTextEdit{    Q_OBJECTpublic:    Editor(QWidget *parent = 0);    void newFile();    bool save();    bool saveAs();    QSize sizeHint() const;    QAction *windowMenuAction() const { return action; }    static Editor *open(QWidget *parent = 0);    static Editor *openFile(const QString &fileName,                            QWidget *parent = 0);protected:    void closeEvent(QCloseEvent *event);private slots:    void documentWasModified();private:    bool okToContinue();    bool saveFile(const QString &fileName);    void setCurrentFile(const QString &fileName);    bool readFile(const QString &fileName);    bool writeFile(const QString &fileName);    QString strippedName(const QString &fullFileName);    QString curFile;    bool isUntitled;    QAction *action;};#endif