don't blit too much when copying static box border in OnPaint()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52851 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp
index 90c42f05e6aa63ecd04f9b495a2e568b048a909c..14cb7674eb4799f42186076763b31e3e3e65c4c9 100644 (file)
--- a/src/msw/statbox.cpp
+++ b/src/msw/statbox.cpp
@@ -538,14 +538,16 @@ void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
     dc.Blit(border, 0, rc.right - border, borderTop,
             &memdc, border, 0);
     // bottom
     dc.Blit(border, 0, rc.right - border, borderTop,
             &memdc, border, 0);
     // bottom

-    dc.Blit(border, rc.bottom - border, rc.right - border, rc.bottom,
+    dc.Blit(border, rc.bottom - border, rc.right - border, border,

             &memdc, border, rc.bottom - border);
     // left
     dc.Blit(0, 0, border, rc.bottom,
             &memdc, 0, 0);
             &memdc, border, rc.bottom - border);
     // left
     dc.Blit(0, 0, border, rc.bottom,
             &memdc, 0, 0);

-    // right
-    dc.Blit(rc.right - border, 0, rc.right, rc.bottom,
-            &memdc, rc.right - border, 0);
+    // right (note that upper and bottom right corners were already part of the
+    // first two blits so we shouldn't overwrite them here to avoi flicker)
+    dc.Blit(rc.right - border, borderTop,
+            border, rc.bottom - borderTop - border,
+            &memdc, rc.right - border, borderTop);

 
 
     // create the region excluding box children
 
 
     // create the region excluding box children