Reuse Qt implementation of normal button for toggle buttons

include/wx/qt/anybutton.h

@@ -29,6 +29,7 @@ public:
 
     // implementation only
     void QtUpdateState();
+    virtual int GetEventType() const = 0;
 
 protected:
     virtual wxBitmap DoGetBitmap(State state) const wxOVERRIDE;

include/wx/qt/button.h

@@ -31,6 +31,9 @@ public:
 
    virtual wxWindow *SetDefault();
 
+    // implementation only
+    virtual int GetEventType() const wxOVERRIDE { return wxEVT_BUTTON; }
+
 private:
     wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxButton);
 };

include/wx/qt/tglbtn.h

@@ -35,6 +35,8 @@ public:
     virtual void SetValue(bool state);
     virtual bool GetValue() const;
 
+    // implementation only
+    virtual int GetEventType() const wxOVERRIDE { return wxEVT_TOGGLEBUTTON; }
 
 private:
     wxDECLARE_DYNAMIC_CLASS(wxToggleButton);