respect wxBU_NOTEXT style in wxButton

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61132 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/button_osx.cpp

@@ -43,7 +43,8 @@ bool wxButton::Create(wxWindow *parent,
     if ( !wxButtonBase::Create(parent, id, pos, size, style, validator, name) )
         return false;
 
-    m_labelOrig = m_label = label ;
+    m_labelOrig =
+    m_label = label ;
 
     m_peer = wxWidgetImpl::CreateButton( this, parent, id, label, pos, size, style, GetExtraStyle() );
 
@@ -52,6 +53,20 @@ bool wxButton::Create(wxWindow *parent,
     return true;
 }
 
+void wxButton::SetLabel(const wxString& label)
+{
+    if ( GetId() == wxID_HELP || HasFlag(wxBU_NOTEXT) )
+    {
+        // just store the label internally but don't really use it for the
+        // button
+        m_labelOrig =
+        m_label = label;
+        return;
+    }
+
+    wxButtonBase::SetLabel(label);
+}
+
 wxWindow *wxButton::SetDefault()
 {
     wxWindow *btnOldDefault = wxButtonBase::SetDefault();