text = item.GetText()
         font = item.Attr().GetFont()
         colour = item.Attr().GetTextColour()
-        if colour is None:
+        if not colour:
             colour = wx.BLACK
-        if font is None:
+        if not font:
             font = treeCtrl._normalFont
     
         backcolour = treeCtrl.GetBackgroundColour()
                 elif self._vistaselection:
                     self.DrawVistaRectangle(dc, itemrect, self._hasFocus)
                 else:
-                    dc.DrawRectangleRect(itemrect)
+                    if wx.Platform in ["__WXGTK2__", "__WXMAC__"]:
+                        flags = wx.CONTROL_SELECTED
+                        if self._hasFocus: flags = flags | wx.CONTROL_FOCUSED
+                        wx.RendererNative.Get().DrawItemSelectionRect(self, dc, itemrect, flags) 
+                    else:
+                        dc.DrawRectangleRect(itemrect)
 
         else:
 
                 elif self._vistaselection:
                     self.DrawVistaRectangle(dc, itemrect, self._hasFocus)
                 else:
-                    dc.DrawRectangleRect(itemrect)
+                    if wx.Platform in ["__WXGTK2__", "__WXMAC__"]:
+                        flags = wx.CONTROL_SELECTED
+                        if self._hasFocus: flags = flags | wx.CONTROL_FOCUSED
+                        wx.RendererNative.Get().DrawItemSelectionRect(self, dc, itemrect, flags) 
+                    else:
+                        dc.DrawRectangleRect(itemrect)
                             
             # On GTK+ 2, drawing a 'normal' background is wrong for themes that
             # don't allow backgrounds to be customized. Not drawing the background,
             dc.DrawLabel(item.GetText(), textrect)
             dc.SetTextForeground(foreground)
         else:
+            if wx.Platform == "__WXMAC__" and item.IsSelected() and self._hasFocus:
+                dc.SetTextForeground(wx.WHITE)
             dc.DrawLabel(item.GetText(), textrect)
 
         wnd = item.GetWindow()