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/***************************************************************************
displaynumber.cpp - description
-------------------
begin : Sun Feb 23 2003
copyright : (C) 2003 by Michael v.Ostheim
email : ostheimm@users.berlios.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <qstring.h>
#include <qfontmetrics.h>
#include "displaynumber.h"
DisplayNumber::DisplayNumber(QWidget *parent, int digits, \
int prec, const char *name) : QLabel(parent,name) {
setPrecision(prec);
setWidth(digits);
setFrameStyle(QFrame::Panel | QFrame::Sunken);
setBackgroundMode(Qt::PaletteBase);
setAlignment(Qt::AlignCenter);
setFocusPolicy(NoFocus);
}
DisplayNumber::~DisplayNumber(){
}
void DisplayNumber::setFont( const QFont & f ) {
QLabel::setFont(f);
setWidth(dg);
}
void DisplayNumber::setWidth(int digits) {
QFontMetrics fm(font());
QString s("0123456789.+-");
int width = 0, charWidth=0;
for (int i = 0; i < 11; i++, width = fm.width(s[i]))
charWidth = (width > charWidth) ? width : charWidth;
dg = digits;
setMinimumWidth( dg * charWidth + charWidth/2 );
}
void DisplayNumber::setNum(double num) {
QString text;
setText(text.setNum(num, 'f', precision));
}
#include "displaynumber.moc"
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