X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/906c935a80b10d53cecf57f71ab5f3f4f1d529ec..08670ea85abf4b4946a9ce64971b591d7b1ee30b:/src/common/containr.cpp?ds=inline

diff --git a/src/common/containr.cpp b/src/common/containr.cpp
index 29756da696..2fda844c96 100644
--- a/src/common/containr.cpp
+++ b/src/common/containr.cpp
@@ -472,18 +472,21 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
                 // looping inside this panel (normally, the focus will go to
                 // the next/previous item after this panel in the parent
                 // panel).
-                wxWindow *focussed_child_of_parent = m_winParent;
+                wxWindow *focusedParent = m_winParent;
                 while ( parent )
                 {
-                    // we don't want to tab into a different dialog or frame
-                    if ( focussed_child_of_parent->IsTopLevel() )
+                    // We don't want to tab into a different dialog or frame or
+                    // even an MDI child frame, so test for this explicitly
+                    // (and in particular don't just use IsTopLevel() which
+                    // would return false in the latter case).
+                    if ( focusedParent->IsTopNavigationDomain() )
                         break;
 
-                    event.SetCurrentFocus( focussed_child_of_parent );
+                    event.SetCurrentFocus( focusedParent );
                     if ( parent->GetEventHandler()->ProcessEvent( event ) )
                         return;
 
-                    focussed_child_of_parent = parent;
+                    focusedParent = parent;
 
                     parent = parent->GetParent();
                 }