Remove tab key target cycling and snap escape; reimplement for Esc

src/UIHandle.cpp

@@ -10,6 +10,7 @@ Paul Licameli
 
 #include "Audacity.h"
 #include "UIHandle.h"
+#include "RefreshCode.h"
 
 UIHandle::~UIHandle()
 {
@@ -29,6 +30,16 @@ bool UIHandle::Rotate(bool)
    return false;
 }
 
+bool UIHandle::HasEscape() const
+{
+   return false;
+}
+
+bool UIHandle::Escape()
+{
+   return false;
+}
+
 void UIHandle::DrawExtras
    (DrawingPass, wxDC *, const wxRegion &, const wxRect &)
 {