Tweaks to trees.

layout/xul/base/src/Makefile.in

@@ -48,6 +48,7 @@ CPPSRCS =				\
 	nsToolbarFrame.cpp        \
 	nsToolbarDragListener.cpp \
 	nsToolboxFrame.cpp        \
+	nsTreeOuterFrame.cpp \
 	nsTreeFrame.cpp \
 	nsTreeRowGroupFrame.cpp \
 	nsTreeIndentationFrame.cpp \

layout/xul/base/src/makefile.win

@@ -36,6 +36,7 @@ CPPSRCS=					\
         nsTitledButtonFrame.cpp        \
 	nsToolboxFrame.cpp		\
 	nsToolbarFrame.cpp		\
+	nsTreeOuterFrame.cpp \
 	nsTreeFrame.cpp			\
 	nsTreeRowGroupFrame.cpp \
 	nsTreeIndentationFrame.cpp \
@@ -67,6 +68,7 @@ CPP_OBJS=					\
         .\$(OBJDIR)\nsTitledButtonFrame.obj    \
 	.\$(OBJDIR)\nsToolboxFrame.obj		\
 	.\$(OBJDIR)\nsToolbarFrame.obj		\
+	.\$(OBJDIR)\nsTreeOuterFrame.obj \
 	.\$(OBJDIR)\nsTreeFrame.obj	\
 	.\$(OBJDIR)\nsTreeRowGroupFrame.obj \
 	.\$(OBJDIR)\nsTreeIndentationFrame.obj \

layout/xul/base/src/nsTreeFrame.cpp

@@ -107,6 +107,18 @@ void nsTreeFrame::RangedSelection(nsIPresContext& aPresContext, nsTreeCellFrame*
  // XXX Re-implement!
 }
 
+NS_IMETHODIMP 
+nsTreeFrame::HandleEvent(nsIPresContext& aPresContext, 
+                             nsGUIEvent*     aEvent,
+                             nsEventStatus&  aEventStatus)
+{
+  aEventStatus = nsEventStatus_eConsumeDoDefault;
+  if (aEvent->message == NS_KEY_DOWN) {
+    printf("YES!\n");
+  }
+  return NS_OK;
+}
+  
 void nsTreeFrame::MoveUp(nsIPresContext& aPresContext, nsTreeCellFrame* pFrame)
 {
 	PRInt32 rowIndex;

layout/xul/base/src/nsTreeFrame.h

@@ -44,11 +44,13 @@ public:
   NS_IMETHOD Destroy(nsIPresContext& aPresContext);
   PRBool RowGroupsShouldBeConstrained() { return PR_TRUE; }
   
-  NS_IMETHODIMP Reflow(nsIPresContext&          aPresContext,
+  NS_IMETHOD Reflow(nsIPresContext&          aPresContext,
 							         nsHTMLReflowMetrics&     aMetrics,
 							         const nsHTMLReflowState& aReflowState,
 							         nsReflowStatus&          aStatus);
-
+  NS_IMETHOD HandleEvent(nsIPresContext& aPresContext, 
+                             nsGUIEvent*     aEvent,
+                             nsEventStatus&  aEventStatus);
 
 protected:
   nsTreeFrame();