1. bug in wxSplitter corrected: mouse event coords may be negative when the

mouse is captured which made sash roll over the window
2. missing functions added to wxRadioBox
3. non existent functions removed from wxRadioBox and wxControl


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2516 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/splitter.cpp

@@ -263,11 +263,24 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
         // Erase old tracker
         DrawSashTracker(m_oldX, m_oldY);
 
-        // Draw new one
-        DrawSashTracker(x, y);
-
+#ifdef __WXMSW__
+        // As we captured the mouse, we may get the mouse events from outside
+        // our window - for example, negative values in x, y. This has a weird
+        // consequence under MSW where we use unsigned values sometimes and
+        // signed ones other times: the coordinates turn as big positive
+        // numbers and so the sash is drawn on the *right* side of the window
+        // instead of the left (or bottom instead of top). Correct this.
         m_oldX = x;
         m_oldY = y;
+
+        if ( (short)m_oldX < 0 )
+            m_oldX = 0;
+        if ( (short)m_oldY < 0 )
+            m_oldY = 0;
+#endif // __WXMSW__
+
+        // Draw new one
+        DrawSashTracker(m_oldX, m_oldY);
     }
     else if ( event.LeftDClick() )
     {