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-rw-r--r--libk3b/tools/k3bintvalidator.cpp137
1 files changed, 137 insertions, 0 deletions
diff --git a/libk3b/tools/k3bintvalidator.cpp b/libk3b/tools/k3bintvalidator.cpp
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+++ b/libk3b/tools/k3bintvalidator.cpp
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+/*
+ *
+ * $Id: k3bintvalidator.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * 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.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+
+#include <qwidget.h>
+#include <qstring.h>
+
+#include "k3bintvalidator.h"
+
+#include <klocale.h>
+#include <kglobal.h>
+#include <kdebug.h>
+
+
+K3bIntValidator::K3bIntValidator ( QWidget * parent, const char * name )
+ : QValidator(parent, name)
+{
+ m_min = m_max = 0;
+}
+
+
+K3bIntValidator::K3bIntValidator ( int bottom, int top, QWidget * parent, const char * name )
+ : QValidator(parent, name)
+{
+ m_min = bottom;
+ m_max = top;
+}
+
+
+K3bIntValidator::~K3bIntValidator ()
+{
+}
+
+
+QValidator::State K3bIntValidator::validate ( QString &str, int & ) const
+{
+ bool ok;
+ int val = 0;
+ QString newStr;
+
+ newStr = str.stripWhiteSpace();
+ newStr = newStr.upper();
+
+ if( newStr.length() ) {
+ // check for < 0
+ bool minus = newStr.startsWith( "-" );
+ if( minus )
+ newStr.remove( 0, 1 );
+
+ // check for hex
+ bool hex = newStr.startsWith( "0X" );
+
+ if( hex )
+ newStr.remove( 0, 2 );
+
+ // a special case
+ if( newStr.isEmpty() ) {
+ if( minus && m_min && m_min >= 0)
+ ok = false;
+ else
+ return QValidator::Acceptable;
+ }
+
+ val = newStr.toInt( &ok, hex ? 16 : 10 );
+ if( minus )
+ val *= -1;
+ }
+ else {
+ val = 0;
+ ok = true;
+ }
+
+ if( !ok )
+ return QValidator::Invalid;
+
+ if( m_min && val > 0 && val < m_min )
+ return QValidator::Acceptable;
+
+ if( m_max && val < 0 && val > m_max )
+ return QValidator::Acceptable;
+
+ if( (m_max && val > m_max) || (m_min && val < m_min) )
+ return QValidator::Invalid;
+
+ return QValidator::Valid;
+}
+
+
+void K3bIntValidator::fixup ( QString& ) const
+{
+ // TODO: remove preceding zeros
+}
+
+
+void K3bIntValidator::setRange ( int bottom, int top )
+{
+ m_min = bottom;
+ m_max = top;
+
+ if( m_max < m_min )
+ m_max = m_min;
+}
+
+
+int K3bIntValidator::bottom () const
+{
+ return m_min;
+}
+
+
+int K3bIntValidator::top () const
+{
+ return m_max;
+}
+
+
+int K3bIntValidator::toInt( const QString& s, bool* ok )
+{
+ if( s.lower().startsWith( "0x" ) )
+ return s.right( s.length()-2 ).toInt( ok, 16 );
+ else if( s.lower().startsWith( "-0x" ) )
+ return -1 * s.right( s.length()-3 ).toInt( ok, 16 );
+ else
+ return s.toInt( ok, 10 );
+}