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