1. '\n's in tooltip messages are handled (replaced by spaces anyhow, tooltip

made multiline if comctl32 supports it)
2. added wxTAB_TRAVERSAL to default wxScrolledWindow style
3. improved arrows handling in radiobox (still problems for multirow ones)
4. [Alt]-<mnemonic> works in nested panels as well now because we use
   WS_EX_CONTROLPARENT for all windows with wxTAB_TRAVERSAL style
5. tooltips for radioboxes work again, even if I'm not really satisfied with
   solution :-( but I spent 2 hours trying to make TTM_WINDOWFROMPOINT handler
   work and I don't have more time to waste on this.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5620 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/tooltip.h

@@ -31,14 +31,19 @@ public:
         // set the delay after which the tooltip appears
     static void SetDelay(long milliseconds);
 
-    // implementation
+    // implementation only from now on
+    // -------------------------------
+
+    // should be called in responde to WM_MOUSEMOVE
     void RelayEvent(WXMSG *msg);
 
 private:
+    // the one and only one tooltip control we use - never access it directly
+    // but use GetToolTipCtrl() which will create it when needed
     static WXHWND ms_hwndTT;
 
     // create the tooltip ctrl if it doesn't exist yet and return its HWND
-    WXHWND GetToolTipCtrl();
+    static WXHWND GetToolTipCtrl();
 
     // remove this tooltip from the tooltip control
     void Remove();