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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit2bda8f7717adf28da4af0d34fb82f63d2868c31d (patch)
tree8d927b7b47a90c4adb646482a52613f58acd6f8c /khexedit/lib/kvaluecolumn.cpp
downloadtdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.tar.gz
tdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/khexedit/lib/kvaluecolumn.cpp 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 );
+}