mainwindow.h

QT 开发环境里面一个很重要的文件

/****************************************************************************
**
** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#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