1 files changed, 134 insertions, 0 deletions
diff --git a/khexedit/lib/kvaluecolumn.cpp b/khexedit/lib/kvaluecolumn.cpp
new file mode 100644
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+++ b/khexedit/lib/kvaluecolumn.cpp
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+/***************************************************************************
+                          kvaluecolumn.cpp  -  description
+                             -------------------
+    begin                : Mit Sep 3 2003
+    copyright            : (C) 2003 by Friedrich W. H. Kossebau
+    email                : Friedrich.W.H@Kossebau.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.       *
+ *                                                                         *
+ ***************************************************************************/
+
+
+// qt specific
+#include <qpainter.h>
+// lib specific
+#include "kcolumnsview.h"
+#include "kbuffercursor.h"
+#include "kbufferlayout.h"
+#include "kbufferranges.h"
+#include "kvaluecolumn.h"
+#include "helper.h"
+#include "kcharcodec.h"
+
+using namespace KHE;
+
+static const KCoding DefaultCoding =         HexadecimalCoding;
+static const KCoding NotDefaultCoding =      DecimalCoding;
+static const int     DefaultBinaryGapWidth = 1;
+
+
+KValueColumn::KValueColumn( KColumnsView *CV, KDataBuffer *B, KBufferLayout *L, KBufferRanges *R )
+ : KBufferColumn( CV, B, L, R ),
+   Coding( NotDefaultCoding ),
+   ByteCodec( 0 ),
+   BinaryGapWidth( DefaultBinaryGapWidth )
+{
+  setCoding( DefaultCoding );
+}
+
+
+KValueColumn::~KValueColumn()
+{
+}
+
+
+
+bool KValueColumn::setCoding( KCoding C )
+{
+  // no changes?
+  if( Coding == C )
+    return false;
+
+  delete ByteCodec;
+
+  Coding = C;
+  ByteCodec = KByteCodec::createCodec( Coding );
+  CodedByte.setLength( ByteCodec->encodingWidth() );
+
+  // recalculate depend sizes
+  recalcByteWidth();
+
+  if( PosX )
+    recalcX();
+  return true;
+}
+
+
+bool KValueColumn::setBinaryGapWidth( KPixelX BGW )
+{
+  // no changes?
+  if( BinaryGapWidth == BGW )
+     return false;
+
+  BinaryGapWidth = BGW;
+
+  // recalculate depend sizes
+  recalcByteWidth();
+
+  if( PosX )
+    recalcX();
+  return true;
+}
+
+
+void KValueColumn::recalcByteWidth()
+{
+  ByteWidth = ByteCodec->encodingWidth() * DigitWidth;
+
+  if( Coding == BinaryCoding )
+  {
+    BinaryHalfOffset = 4 * DigitWidth + BinaryGapWidth;
+    ByteWidth += BinaryGapWidth;
+  }
+  recalcVerticalGridX();
+}
+
+
+// perhaps sometimes there will be a grammar
+void KValueColumn::paintEditedByte( QPainter *P, char Byte, const QString &EditBuffer )
+{
+  KHEChar B = Codec->decode( Byte );
+
+  const QColorGroup &CG = View->colorGroup();
+
+  P->fillRect( 0,0,ByteWidth,LineHeight, QBrush(colorForChar(B),Qt::SolidPattern) );
+
+  drawCode( P, EditBuffer, CG.base() );
+}
+
+
+void KValueColumn::drawByte( QPainter *P, char Byte, KHEChar /*B*/, const QColor &Color ) const
+{
+  ByteCodec->encode( CodedByte, 0, Byte );
+  drawCode( P, CodedByte, Color );
+}
+
+
+void KValueColumn::drawCode( QPainter *P, const QString &Code, const QColor &Color ) const
+{
+  P->setPen( Color );
+  if( Coding == BinaryCoding )
+  {
+    // leave a gap in the middle
+    P->drawText( 0, DigitBaseLine, Code.left(4) );
+    P->drawText( BinaryHalfOffset, DigitBaseLine, Code.right(4) );
+  }
+  else
+    P->drawText( 0, DigitBaseLine, Code );
+}