calculator.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.7平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef CALC_H
#define CALC_H

#include <qlayout.h>
#include <qlineedit.h>
#include <qcombobox.h>
#include <qwidgetstack.h>

#include "plugininterface.h"
#include "engine.h"

#ifndef QT_NO_COMPONENT
#if QT_VERSION >= 0x030000
#include <private/qcomlibrary_p.h>
#define QLibrary QComLibrary
#else
#include <qtopia/qlibrary.h>
#endif

struct CalculatorPlugin {
    CalculatorInterface *interface;
    QLibrary *library;
    QWidget *widget;
};
#endif

class QTOPIA_EXPORT Calculator:public QWidget {
Q_OBJECT
public:
  Calculator ( QWidget * p = 0, const char *n = 0, WFlags fl=0);
   ~Calculator ();

   void keyPressEvent(QKeyEvent *e);

private:
   QVBoxLayout *calculatorLayout;
#ifndef QT_NO_COMPONENT
   QWidgetStack *pluginWidgetStack;
   QComboBox *modeBox;
   QValueList<CalculatorPlugin> *pluginList;
#endif
#ifdef NEW_STYLE_DISPLAY
   QLabel *LCD;
#else
   QLineEdit *LCD;
#endif
};

#endif