www.pudn.com > calculator.rar > advanced.h


/****************************************************************************
**
** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.
**
** This file is part of the Phone Edition of the Qtopia Toolkit.
**
** Licensees holding a valid license agreement from Trolltech or any of its
** authorized distributors may use this file in accordance with
** the License Agreement provided with the Licensed Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Trolltech's Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**
**
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifdef ENABLE_SCIENCE

#ifndef ADVANCEDIMPL_H
#define ADVANCEDIMPL_H

#include <QPushButton>
#include <QEvent>


#include "../engine.h"
#include "stdinputwidgets.h"


class QRadioButton;


class AdvancedButton : public QPushButton {
public:
AdvancedButton(QWidget *p = 0) : QPushButton(p), inv(false) {
fontChange( font() );
}
void fontChange( const QFont &amt;f ) {
QFontMetrics fm( f );
int fontHeight = fm.height();
setMinimumHeight( fontHeight * 2 );
fontSize10 = f.pixelSize();
if (fontSize10 == -1 )
fontSize10 = f.pointSize();
fontSize05 = fontSize10 / 2;
ascent = fm.ascent();
}

virtual void advancedDrawLabel( QPainter *p, int x, int y ) = 0;
void setInversed(bool i) { inv = i; update(); repaint();}

void paintEvent(QPaintEvent *pe)
{
QPushButton::paintEvent(pe);
QPainter p(this);

int x = (width() - fontSize10) / 2;
int y = ((height() - fontSize10) / 2) + ascent;
if ( isDown() )
x++, y++;
advancedDrawLabel(&amt;p, x, y);
}

protected:
bool inv;
int fontSize05, fontSize10, ascent;
};


class FormAdvanced:public DecimalInputWidget{
Q_OBJECT
public:
FormAdvanced(QWidget * parent = 0);
virtual ~FormAdvanced();

QString interfaceName() { return QString(tr("Scientific")); };


protected:
void init(int fromRow, int fromCol);
void showEvent ( QShowEvent * );

private:
QPushButton *PBDel,*PBC;
QPushButton *PBMR,*PBMC,*PBMPlus;
QPushButton *PBPi, *PBE;
QPushButton *PBSin,*PBCos,*PBTan,*PBOneOverX;
QPushButton *PBLog,*PBFactorial;
AdvancedButton *PBLn,*PBSquare,*PBPow;
QPushButton *PBInverse;

QRadioButton *degree, *radians, *gradians;
bool IsInverse;

private slots:
void DelClicked();
void CClicked();
void MRClicked();
void MPlusClicked();
void MCClicked();
void SinDegClicked();
void CosDegClicked();
void TanDegClicked();
void SinRadClicked();
void CosRadClicked();
void TanRadClicked();
void SinGraClicked();
void CosGraClicked();
void TanGraClicked();
void OneOverXClicked();
void LnClicked();
void FactorialClicked();
void SquareClicked();
void PowClicked();
void PiClicked();
void EClicked();
void LogClicked();
void InverseClicked();
void DegreeMode(bool);
void RadiansMode(bool);
void GradiansMode(bool);
};

#endif //ADVANCEDIMPL_H
#endif //ENABLE_SCIENCE