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138 lines
2.6 KiB
138 lines
2.6 KiB
15 years ago
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/*
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*
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* $Id: k3bintvalidator.cpp 619556 2007-01-03 17:38:12Z trueg $
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* Copyright (C) 2004 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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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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* See the file "COPYING" for the exact licensing terms.
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*/
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#include <qwidget.h>
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#include <qstring.h>
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#include "k3bintvalidator.h"
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#include <klocale.h>
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#include <kglobal.h>
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#include <kdebug.h>
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K3bIntValidator::K3bIntValidator ( QWidget * parent, const char * name )
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: QValidator(parent, name)
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{
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m_min = m_max = 0;
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}
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K3bIntValidator::K3bIntValidator ( int bottom, int top, QWidget * parent, const char * name )
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: QValidator(parent, name)
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{
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m_min = bottom;
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m_max = top;
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}
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K3bIntValidator::~K3bIntValidator ()
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{
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}
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QValidator::State K3bIntValidator::validate ( QString &str, int & ) const
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{
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bool ok;
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int val = 0;
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QString newStr;
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newStr = str.stripWhiteSpace();
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newStr = newStr.upper();
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if( newStr.length() ) {
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// check for < 0
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bool minus = newStr.startsWith( "-" );
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if( minus )
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newStr.remove( 0, 1 );
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// check for hex
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bool hex = newStr.startsWith( "0X" );
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if( hex )
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newStr.remove( 0, 2 );
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// a special case
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if( newStr.isEmpty() ) {
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if( minus && m_min && m_min >= 0)
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ok = false;
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else
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return QValidator::Acceptable;
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}
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val = newStr.toInt( &ok, hex ? 16 : 10 );
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if( minus )
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val *= -1;
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}
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else {
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val = 0;
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ok = true;
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}
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if( !ok )
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return QValidator::Invalid;
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if( m_min && val > 0 && val < m_min )
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return QValidator::Acceptable;
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if( m_max && val < 0 && val > m_max )
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return QValidator::Acceptable;
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if( (m_max && val > m_max) || (m_min && val < m_min) )
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return QValidator::Invalid;
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return QValidator::Valid;
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}
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void K3bIntValidator::fixup ( QString& ) const
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{
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// TODO: remove preceding zeros
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}
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void K3bIntValidator::setRange ( int bottom, int top )
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{
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m_min = bottom;
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m_max = top;
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if( m_max < m_min )
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m_max = m_min;
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}
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int K3bIntValidator::bottom () const
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{
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return m_min;
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}
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int K3bIntValidator::top () const
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{
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return m_max;
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}
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int K3bIntValidator::toInt( const QString& s, bool* ok )
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{
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if( s.lower().startsWith( "0x" ) )
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return s.right( s.length()-2 ).toInt( ok, 16 );
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else if( s.lower().startsWith( "-0x" ) )
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return -1 * s.right( s.length()-3 ).toInt( ok, 16 );
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else
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return s.toInt( ok, 10 );
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}
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