1 files changed, 75 insertions, 0 deletions
diff --git a/kregexpeditor/limitedcharlineedit.cpp b/kregexpeditor/limitedcharlineedit.cpp
new file mode 100644
index 0000000..9631603
--- /dev/null
+++ b/kregexpeditor/limitedcharlineedit.cpp
@@ -0,0 +1,75 @@
+/*
+ *  Copyright (c) 2002-2003 Jesper K. Pedersen <[email protected]>
+ *
+ *  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 ) );
+}
+
+