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//=========================================================
// MusE
// Linux Music Editor
// $Id: spinboxFP.cpp,v 1.1.1.1 2003/10/29 10:06:33 wschweer Exp $
// (C) Copyright 2001 Werner Schweer (ws@seh.de)
//=========================================================
#include <stdio.h>
#include <cmath>
#include <qvalidator.h>
#include "spinboxFP.h"
//---------------------------------------------------------
// SpinBoxFP
//---------------------------------------------------------
SpinBoxFP::SpinBoxFP(QWidget* parent, const char* name)
: QSpinBox(parent, name)
{
_precision = 0;
setValidator(new QDoubleValidator(this));
}
SpinBoxFP::SpinBoxFP(int minValue, int maxValue, int step, QWidget* parent, const char* name)
: QSpinBox(minValue, maxValue, step, parent, name)
{
_precision = 0;
setValidator(new QDoubleValidator(this));
}
//---------------------------------------------------------
// setPrecision
//---------------------------------------------------------
void SpinBoxFP::setPrecision(int val)
{
_precision = val;
updateDisplay();
}
//---------------------------------------------------------
// mapValueToText
//---------------------------------------------------------
QString SpinBoxFP::mapValueToText(int value)
{
if (_precision) {
QString s;
int div = int(exp10(_precision));
// printf("val %d, prec %d, div %d\n", value, _precision, div);
s.sprintf("%d.%0*d", value/div, _precision, value%div);
return s;
}
return QSpinBox::mapValueToText(value);
}
//---------------------------------------------------------
// mapTextToValue
//---------------------------------------------------------
int SpinBoxFP::mapTextToValue(bool* ok)
{
QString qs = cleanText();
if (_precision) {
const char* s = qs.latin1();
int a, b;
int n = sscanf(s, "%d.%d", &a, &b);
if (n != 2) {
*ok = false;
return 0;
}
int div = int(exp10(_precision));
return a * div + b;
}
return QSpinBox::mapTextToValue(ok);
}
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