1 files changed, 9 insertions, 3 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableTree.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableTree.java
index 4c8f74cd0f..f118229914 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableTree.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableTree.java
@@ -91,7 +91,7 @@ public class TableTree extends Composite {
  * @see #getStyle
  */
 public TableTree(Composite parent, int style) {
-	super(parent, SWT.NONE);
+	super(parent, checkStyle (style));
 	table = new Table(this, style);
 	Listener tableListener = new Listener() {
 		public void handleEvent(Event e) {
@@ -196,7 +196,12 @@ public void addTreeListener(TreeListener listener) {
 	TypedListener typedListener = new TypedListener (listener);
 	addListener (SWT.Expand, typedListener);
 	addListener (SWT.Collapse, typedListener);
-}  
+}
+private static int checkStyle (int style) {
+	int mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT; 
+	style = style & mask;
+	return style;
+} 
 public Point computeSize (int wHint, int hHint, boolean changed) {
 	checkWidget();
 	return table.computeSize (wHint, hHint, changed);
@@ -502,7 +507,8 @@ void onKeyDown (Event e) {
 	TableTreeItem item = selection[0];
 	int type = 0;
 	if (e.keyCode == SWT.ARROW_RIGHT || e.keyCode == SWT.ARROW_LEFT) {
-		if (e.keyCode == SWT.ARROW_RIGHT) {
+		int trailKey = (getStyle() & SWT.MIRRORED) != 0 ? SWT.ARROW_LEFT : SWT.ARROW_RIGHT;
+		if (e.keyCode == trailKey) {
 			if (item.getItemCount() == 0) return;
 			if (item.getExpanded()) {
 				TableTreeItem newSelection = item.getItems()[0];