Some wxCollapsiblePane tweaks:

- Use wxCP_DEFAULT_STYLE
 - Share a single wxCollapsiblePaneNameStr for the native and generic
   versions
 - Use a wxPanel for the pane so tab traversal works in the pane


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43300 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/collpaneg.cpp

@@ -38,7 +38,7 @@
 // implementation
 // ============================================================================
 
-const wxChar wxGenericCollapsiblePaneNameStr[] = wxT("genericCollapsiblePane");
+const wxChar wxCollapsiblePaneNameStr[] = wxT("collapsiblePane");
 
 //-----------------------------------------------------------------------------
 // wxGenericCollapsiblePane
@@ -90,8 +90,8 @@ bool wxGenericCollapsiblePane::Create(wxWindow *parent,
 #endif
 
     // do not set sz as our sizers since we handle the pane window without using sizers
-    m_pPane = new wxWindow(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
-                           wxNO_BORDER);
+    m_pPane = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+                          wxTAB_TRAVERSAL|wxNO_BORDER);
 
     // start as collapsed:
     m_pPane->Hide();