containers don't always accept focus (patch 718913)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20134 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/containr.h

@@ -69,6 +69,9 @@ public:
     // the focus and the default processing should take place
     bool DoSetFocus();
 
+    // can our child get the focus?
+    bool AcceptsFocus() const;
+
     // called from OnChildFocus() handler, i.e. when one of our (grand)
     // children gets the focus
     void SetLastFocus(wxWindow *win);
@@ -111,6 +114,7 @@ public: \
     virtual wxWindow *GetDefaultItem() const; \
     virtual wxWindow *SetDefaultItem(wxWindow *child); \
     virtual void SetTmpDefaultItem(wxWindow *win); \
+    virtual bool AcceptsFocus() const; \
 \
 protected: \
     wxControlContainer m_container
@@ -164,6 +168,10 @@ void classname::OnChildFocus(wxChildFocusEvent& event) \
 void classname::OnFocus(wxFocusEvent& event) \
 { \
     m_container.HandleOnFocus(event); \
+} \
+bool classname::AcceptsFocus() const \
+{ \
+    return m_container.AcceptsFocus(); \
 }