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/*
* Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "limitedcharlineedit.h"
#include <qvalidator.h>
/**
@internal
A Validator for the @ref LimitedCharLineEdit
*/
class Validator :public QValidator
{
public:
Validator( LimitedCharLineEdit::Mode mode, QWidget* parent )
:QValidator( parent, "Validator" ), _mode(mode)
{
}
virtual QValidator::State validate( QString& txt, int & /*pos*/ ) const
{
if ( _mode == LimitedCharLineEdit::NORMAL ||
(_mode == LimitedCharLineEdit::HEX &&
QRegExp(QString::fromLocal8Bit("^[0-9A-Fa-f]*$")).search( txt ) != -1) ||
(_mode == LimitedCharLineEdit::OCT &&
QRegExp(QString::fromLocal8Bit("^[0-7]*$")).search( txt ) != -1 ) ) {
return QValidator::Acceptable;
}
else {
return QValidator::Invalid;
}
}
private:
LimitedCharLineEdit::Mode _mode;
};
void LimitedCharLineEdit::keyPressEvent ( QKeyEvent *event )
{
QLineEdit::keyPressEvent( event );
if ( text().length() == _count && !event->text().isNull() )
focusNextPrevChild(true);
}
LimitedCharLineEdit::LimitedCharLineEdit( Mode mode, QWidget* parent, const char* name )
:QLineEdit( parent, name ), _mode(mode)
{
if ( mode == NORMAL )
_count = 1;
else if ( mode == HEX )
_count = 4;
else
_count = 4;
setMaxLength( _count );
setFixedSize( fontMetrics().width('A')*5+5, sizeHint().height());
setValidator( new Validator( mode, this ) );
}
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