mainwindow.h Example File

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 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H

 #include <QMainWindow>
 #include <QString>

 class QClipboard;
 class QComboBox;
 class QFontComboBox;
 class QLineEdit;
 class QScrollArea;
 class QCheckBox;

 class CharacterWidget;

 class MainWindow : public QMainWindow
 {
     Q_OBJECT

 public:
     MainWindow();

 public slots:
     void findStyles(const QFont &font);
     void findSizes(const QFont &font);
     void insertCharacter(const QString &character);
 #ifndef QT_NO_CLIPBOARD
     void updateClipboard();
 #endif

 private:
     CharacterWidget *characterWidget;
 #ifndef QT_NO_CLIPBOARD
     QClipboard *clipboard;
 #endif
     QComboBox *styleCombo;
     QComboBox *sizeCombo;
     QFontComboBox *fontCombo;
     QLineEdit *lineEdit;
     QScrollArea *scrollArea;
     QCheckBox *fontMerging;
 };

 #endif