mainwindow.h Example File

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 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H

 #include <QMainWindow>
 #include <qmessageservice.h>

 class QComboBox;
 class QListView;
 class QTabWidget;
 class QMenuBar;
 class QStackedWidget;

 QTM_USE_NAMESPACE

 class MainWindow : public QMainWindow
 {
     Q_OBJECT

 public:
     MainWindow(QWidget* parent = 0, Qt::WindowFlags f = 0);

 #ifdef _WIN32_WCE
 protected:
     bool eventFilter(QObject* source, QEvent* e);
 #endif

 private slots:
     void serviceStateChanged(QMessageService::State state);
     void viewSelected();

 private:
     QTabWidget* m_tabWidget;
     QMessageService* m_service;
     QStackedWidget* m_widgetStack;
 };

 #endif