Playing with scrolling, als fixed redraw

bug in wxGrid (outer regions). You must
    not to maths with update regions within
    an scroll related OnPaint(). Everything
    else is allowed.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6224 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/grid.cpp

@@ -4955,6 +4955,7 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & reg )
 
     int top, bottom, left, right;
 
+#ifndef __WXGTK__
     if (reg.IsEmpty())
     {
       int cw, ch;
@@ -4972,6 +4973,12 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & reg )
       CalcUnscrolledPosition( x, y, &left, &top );
       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
     }
+#else
+      int cw, ch;
+      m_gridWin->GetClientSize(&cw, &ch);
+      CalcUnscrolledPosition( 0, 0, &left, &top );
+      CalcUnscrolledPosition( cw, ch, &right, &bottom );
+#endif
 
     // avoid drawing grid lines past the last row and col
     //