Generate EVT_TOOL_ENTER when the user moves the mouse out of the toolbar

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15338 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/tbar95.cpp

@@ -1148,6 +1148,13 @@ void wxToolBar::OnSysColourChanged(wxSysColourChangedEvent& event)
 
 void wxToolBar::OnMouseEvent(wxMouseEvent& event)
 {
+    if (event.Leaving() && m_pInTool)
+    {
+        OnMouseEnter( -1 );
+        event.Skip();
+        return;
+    }
+
     if (event.RightDown())
     {
         // For now, we don't have an id. Later we could