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mainwindow.h Example File
^{tools/completer/mainwindow.h}

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 ** This file is part of the example classes of the Qt Toolkit.
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 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H

 #include <QMainWindow>

 class QAbstractItemModel;
 class QComboBox;
 class QCompleter;
 class QLabel;
 class QLineEdit;
 class QProgressBar;

 class MainWindow : public QMainWindow
 {
     Q_OBJECT

 public:
     MainWindow(QWidget *parent = 0);

 private slots:
     void about();
     void changeCase(int);
     void changeMode(int);
     void updateModel();
     void useComboBox(bool);

 private:
     void createMenu();
     QAbstractItemModel *modelFromFile(const QString& fileName);

     QComboBox *caseCombo;
     QComboBox *modeCombo;
     QComboBox *modelCombo;
     QCompleter *completer;
     QLabel *contentsLabel;
     QComboBox *comboBox;
     QLineEdit *lineEdit;
 };

 #endif // MAINWINDOW_H