Fix for Bug 1267 - Accessibility: some panels used for graphics are included in tab traversal

Bug due to update and wxWidgets bug 1267.
Fix is to add the override of AcceptsFocusFromKeyboard().

src/effects/AutoDuck.h

@@ -108,6 +108,9 @@ private:
    };
 
    virtual bool AcceptsFocus() const {return false;}
+   // So that wxPanel is not included in Tab traversal - see wxWidgets bug 15581
+   virtual bool AcceptsFocusFromKeyboard() const {return false;}
+
 
    void OnPaint(wxPaintEvent & evt);
    void OnMouseCaptureChanged(wxMouseCaptureChangedEvent & evt);

src/effects/Effect.cpp

@@ -2742,6 +2742,12 @@ public:
       return mAcceptsFocus;
    }
 
+   // So that wxPanel is not included in Tab traversal, when required - see wxWidgets bug 15581
+   virtual bool AcceptsFocusFromKeyboard() const
+   {
+      return mAcceptsFocus;
+   }
+
    // ============================================================================
    // EffectPanel implementation
    // ============================================================================

src/effects/Equalization.h

@@ -277,6 +277,8 @@ public:
 
    // We don't need or want to accept focus.
    bool AcceptsFocus() const { return false; }
+   // So that wxPanel is not included in Tab traversal - see wxWidgets bug 15581
+   bool AcceptsFocusFromKeyboard() const { return false; }
 
    void ForceRecalc();
 

src/effects/ScienFilter.cpp

@@ -1055,6 +1055,11 @@ bool EffectScienFilterPanel::AcceptsFocus() const
    return false;
 }
 
+bool EffectScienFilterPanel::AcceptsFocusFromKeyboard() const
+{
+   return false;
+}
+
 void EffectScienFilterPanel::OnSize(wxSizeEvent & WXUNUSED(evt))
 {
    Refresh(false);

src/effects/ScienFilter.h

@@ -143,6 +143,8 @@ public:
 
    // We don't need or want to accept focus.
    bool AcceptsFocus() const;
+   // So that wxPanel is not included in Tab traversal - see wxWidgets bug 15581
+   bool AcceptsFocusFromKeyboard() const;
 
    void SetFreqRange(double lo, double hi);
    void SetDbRange(double min, double max);

src/widgets/Ruler.h

@@ -257,6 +257,8 @@ class AUDACITY_DLL_API RulerPanel : public wxPanel {
 
    // We don't need or want to accept focus.
    bool AcceptsFocus() const { return false; }
+   // So that wxPanel is not included in Tab traversal - see wxWidgets bug 15581
+   bool AcceptsFocusFromKeyboard() const { return false; }
 
  public: