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/***************************************************************************
* Copyright (C) 2006 Nicolas Hadacek <hadacek@kde.org> *
* *
* 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 "number_gui.h"
#include <qfontmetrics.h>
//-----------------------------------------------------------------------------
uint maxCharWidth(const QString &s, const QFont &font)
{
QFontMetrics fm(font);
uint w = 0;
for (uint i=0; i<uint(s.length()); i++)
w = QMAX(w, uint(fm.width(s[i])));
return w;
}
uint maxCharWidth(NumberBase base, const QFont &font)
{
QString s;
for (uint i=0; i<base.data().base; i++) s += toChar(base, i);
return maxCharWidth(s, font);
}
uint maxLabelWidth(NumberBase base, uint nbChars, const QFont &font)
{
uint w = maxStringWidth(base, nbChars, font);
QFontMetrics fm(font);
if ( base==NumberBase::String ) return w + 2 * fm.width("\"");
return w + fm.width(base.data().prefix);
}
//-----------------------------------------------------------------------------
NumberLineEdit::NumberLineEdit(QWidget *parent, const char *name)
: KLineEdit(parent, name)
{
connect(this, SIGNAL(textChanged(const QString &)), SLOT(textChangedSlot()));
}
NumberLineEdit::NumberLineEdit(const QString &text, QWidget *parent, const char *name)
: KLineEdit(text, parent, name)
{
connect(this, SIGNAL(textChanged(const QString &)), SLOT(textChangedSlot()));
}
QValidator::State validateNumber(const QString &input)
{
if ( input.isEmpty() ) return QValidator::Intermediate;
bool ok;
(void)fromAnyLabel(input, &ok);
if (ok) return QValidator::Acceptable;
FOR_EACH(NumberBase, base)
if ( input==base.data().prefix ) return QValidator::Intermediate;
if ( input[0]=='\"' ) return QValidator::Intermediate;
if ( input[0]=='\'' ) return QValidator::Intermediate;
return QValidator::Invalid;
}
void NumberLineEdit::textChangedSlot()
{
QValidator::State state = validateNumber(text());
switch (state) {
case QValidator::Acceptable: unsetColor(); break;
case QValidator::Intermediate: setColor(QColor("#FF9900")); break;
case QValidator::Invalid: setColor(red); break;
}
}
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