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/private.h

@@ -235,6 +235,15 @@ extern void PixelToHIMETRIC(LONG *x, LONG *y);
 // to invert the mask each time we pass one/get one to/from Windows
 extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
 
+// get (x, y) from DWORD - notice that HI/LOWORD can *not* be used because they
+// will fail on system with multiple monitors where the coords may be negative
+//
+// these macros are standard now (Win98) but some older headers don't have them
+#ifndef GET_X_LPARAM
+    #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
+    #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
+#endif // GET_X_LPARAM
+
 // ---------------------------------------------------------------------------
 // small helper classes
 // ---------------------------------------------------------------------------
@@ -337,6 +346,12 @@ inline bool wxStyleHasBorder(long style)
                    wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
 }
 
+// find the window for HWND which is part of some wxWindow, returns just the
+// corresponding wxWindow for HWND which just is one
+//
+// may return NULL
+extern wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
+
 #endif // wxUSE_GUI
 
 #endif