www.pudn.com > calculator.rar > instruction.cpp
/****************************************************************************
**
** 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.
**
****************************************************************************/
#include "instruction.h"
#include "engine.h"
Instruction::Instruction() {
precedence = 0;
name = type = retType = "NULL";
argCount = 0;
cache = 0;
}
Instruction::~Instruction() {
delete cache;
};
void Instruction::eval(){qWarning("empty instruction called");}
QPixmap* Instruction::draw() {
if (!cache) {
QFont myFont = QFont( "helvetica", 24, QFont::Bold );
QRect bRect = QFontMetrics(myFont).boundingRect(0,0,240,20,Qt::AlignLeft,displayString);
cache = new QBitmap(bRect.size());
cache->clear();
QPainter p(cache);
p.setPen(Qt::color1);
p.setFont(myFont);
p.drawText(0,0,bRect.width(),bRect.height(),Qt::AlignRight,displayString);
}
return cache;
}