From 49d3b50f8ee9e4ff7fe05fa25c1cb8813fe534c8 Mon Sep 17 00:00:00 2001
From: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
Date: Fri, 25 Oct 2002 21:58:42 +0000
Subject: [PATCH] Implementing editor features of Memory view.

---
 .../ui/views/memory/MemoryPresentation.java   | 36 +++++++++++++------
 .../internal/ui/views/memory/MemoryText.java  |  6 ++--
 2 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryPresentation.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryPresentation.java
index ae1f99e8e85..b7f209bfbb9 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryPresentation.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryPresentation.java
@@ -13,7 +13,9 @@ import java.util.List;
 import org.eclipse.cdt.debug.core.ICMemoryManager;
 import org.eclipse.cdt.debug.core.IFormattedMemoryBlock;
 import org.eclipse.cdt.debug.core.IFormattedMemoryBlockRow;
+import org.eclipse.cdt.debug.internal.core.CDebugUtils;
 import org.eclipse.cdt.debug.internal.ui.CDebugUIUtils;
+import org.eclipse.debug.core.DebugException;
 import org.eclipse.swt.graphics.Point;
 
 /**
@@ -35,7 +37,7 @@ public class MemoryPresentation
 	private List fAddressZones;
 	private List fChangedZones;
 	private List fDirtyZones;
-	
+
 	private boolean fDisplayAscii = true;
 		
 	/**
@@ -78,15 +80,6 @@ public class MemoryPresentation
 		return sb.toString();
 	}
 
-	public int getItemSize( int offset )
-	{
-		return -1;
-	}
-	
-	public void setItem( int offset, String item )
-	{
-	}
-	
 	public String[] getText( Point[] zones )
 	{
 		return new String[0];
@@ -453,4 +446,27 @@ public class MemoryPresentation
 			return getMemoryBlock().displayASCII();
 		return false;
 	}
+	
+	protected void textChanged( int offset, char newChar, char[] replacedText )
+	{
+		byte b = 0;
+		if ( isInDataArea( offset ) )
+		{
+		}
+		if ( isInAsciiArea( offset ) )
+		{
+			b = CDebugUtils.charToByte( newChar );
+		}
+		if ( getMemoryBlock() != null )
+		{
+			try
+			{
+				getMemoryBlock().setValue( offset, new byte[] { b } );
+			}
+			catch( DebugException e )
+			{
+				// ignore
+			}
+		}
+	}
 }
diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryText.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryText.java
index 51cb5c4ae62..84a2efd4bac 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryText.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryText.java
@@ -83,9 +83,9 @@ public class MemoryText
 	{
 		if ( event.length != 1 )
 			return;
-		int offset = fText.getCaretOffset() - 1;
-		int size = fPresentation.getItemSize( offset );
-		fPresentation.setItem( offset, fText.getText().substring( offset, offset + size ) );
+		fPresentation.textChanged( event.start, 
+								   fText.getText().charAt( event.start ),
+								   event.replacedText.toCharArray() );
 		Point[] zones = fPresentation.getDirtyZones();
 		refresh( zones, fPresentation.getText( zones ) );
 	}