X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4c51a665c649f7579fb39e62070cef4f66b3210d..cbef7338c1c7763042704c74d5ee6f62c7e10733:/include/wx/window.h?ds=sidebyside

diff --git a/include/wx/window.h b/include/wx/window.h
index 0891760ee3..31ffe5332b 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -480,7 +480,7 @@ public:
         // windows this is just the client area of the window, but for
         // some like scrolled windows it is more or less independent of
         // the screen window size.  You may override the DoXXXVirtual
-        // methods below for classes where that is is the case.
+        // methods below for classes where that is the case.
 
     void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
     void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
@@ -1422,6 +1422,15 @@ public:
     virtual wxWindow *GetMainWindowOfCompositeControl()
         { return (wxWindow*)this; }
 
+    // If this function returns true, keyboard navigation events shouldn't
+    // escape from it. A typical example of such "navigation domain" is a top
+    // level window because pressing TAB in one of them must not transfer focus
+    // to a different top level window. But it's not limited to them, e.g. MDI
+    // children frames are not top level windows (and their IsTopLevel()
+    // returns false) but still are self-contained navigation domains as well.
+    virtual bool IsTopNavigationDomain() const { return false; }
+
+
 protected:
     // helper for the derived class Create() methods: the first overload, with
     // validator parameter, should be used for child windows while the second