#
#
# patch "src/model/GetRevision.cpp"
#  from [cbb4647d0b6e8b29fd1943ea473af6a984ff03ce]
#    to [0a51566d134a31ef08decd4eebbeadb346a0fc0c]
# 
# patch "src/view/dialogs/ChangesetBrowser.cpp"
#  from [f88765a14b2eef403b8609587b95d7cf58a6a4ae]
#    to [22c6f00c601bc0004274b8ce7242d97c3fdd2be5]
# 
# patch "src/view/dialogs/ChangesetBrowser.h"
#  from [9b78450d35f13ae1a57e9475e69e66f975afbc0f]
#    to [edd5d69c14290a198cd81116f87c52737b5f8094]
#
============================================================
--- src/model/GetRevision.cpp	cbb4647d0b6e8b29fd1943ea473af6a984ff03ce
+++ src/model/GetRevision.cpp	0a51566d134a31ef08decd4eebbeadb346a0fc0c
@@ -228,10 +228,15 @@ Qt::ItemFlags GetRevision::flags(const Q
 }
 
 Qt::ItemFlags GetRevision::flags(const QModelIndex &index) const
-{    
-	return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+{
+    if (index.isValid())
+    {
+        return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+    }
+    return 0;
 }
 
+
 QVariant GetRevision::headerData(int section, Qt::Orientation orientation, int role) const
 {
 	if (role == Qt::DisplayRole)
============================================================
--- src/view/dialogs/ChangesetBrowser.cpp	f88765a14b2eef403b8609587b95d7cf58a6a4ae
+++ src/view/dialogs/ChangesetBrowser.cpp	22c6f00c601bc0004274b8ce7242d97c3fdd2be5
@@ -22,6 +22,7 @@
 #include "ChangesetBrowser.h"
 #include "Settings.h"
 #include "RevisionManifest.h"
+#include "RevisionDiff.h"
 
 ChangesetBrowser::ChangesetBrowser(QWidget *parent) : Dialog(parent)
 {
@@ -160,6 +161,13 @@ void ChangesetBrowser::openManifestDialo
     dlg.exec();
 }
 
+void ChangesetBrowser::showRevisionDiff(const QString & rev, const QString & revPrev)
+{
+    RevisionDiff dlg(this);
+	dlg.init(".", rev, revPrev);
+    dlg.exec();
+}
+
 void ChangesetBrowser::changesetsDoubleClicked(const QModelIndex & index)
 {
     if (!index.isValid()) return;
@@ -175,19 +183,34 @@ void ChangesetBrowser::contextMenuReques
         changesetModel->index(indexList.at(0).row(), 3, QModelIndex());
     
     QString rev(revIdx.data().toString());
+	
+	QModelIndex revPrevIdx = 
+        changesetModel->index(indexList.at(0).row() - 1, 3, QModelIndex());
+	QString revPrev(revPrevIdx.data().toString());
     
     QMenu menu(this);
     QFont activeFont;
     activeFont.setBold(true);
-    
+	
     QAction * actOpenManifest = menu.addAction(tr("View files in this revision"));
     actOpenManifest->setFont(activeFont);
-    
+	
+	QAction * actShowDiff;
+	if(revPrevIdx.isValid())
+		actShowDiff = menu.addAction(tr("Show differences to previous revision"));
+	
     QAction * act = menu.exec(pos);
-    if (act == actOpenManifest)
+    
+	if (act == actOpenManifest)
     {
         openManifestDialog(rev);
     }
+    
+
+	if (act == actShowDiff)
+	{
+		showRevisionDiff(rev, revPrev);
+	}
     // TODO: we might want to add more items here, like "Checkout", "Update",
     // etc.
 }
============================================================
--- src/view/dialogs/ChangesetBrowser.h	9b78450d35f13ae1a57e9475e69e66f975afbc0f
+++ src/view/dialogs/ChangesetBrowser.h	edd5d69c14290a198cd81116f87c52737b5f8094
@@ -49,6 +49,7 @@ private:
 private:
     void initTreeWidget();
     void openManifestDialog(const QString &);
+	void showRevisionDiff(const QString &, const QString &);
     
     bool tree;
 	Branches * branchModel;