From d646b8d6c7b58a3d289a9e1c4fabba77d82bea55 Mon Sep 17 00:00:00 2001
From: Julian Smart <julian@anthemion.co.uk>
Date: Thu, 7 Feb 2008 14:15:45 +0000
Subject: [PATCH] Avoid scrolling parts of the screen that don't belong to us

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@51579 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/vscroll.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/generic/vscroll.cpp b/src/generic/vscroll.cpp
index a7d388a9bf..7ea4ff385a 100644
--- a/src/generic/vscroll.cpp
+++ b/src/generic/vscroll.cpp
@@ -382,6 +382,12 @@ bool wxVScrolledWindow::ScrollToLine(size_t line)
     }
     else // overlap between the lines we showed before and should show now
     {
+        // Avoid scrolling visible parts of the screen on Mac
+#ifdef __WXMAC__
+        if (!IsShownOnScreen())
+            Refresh();
+        else
+#endif
         ScrollWindow(0, GetLinesHeight(GetVisibleBegin(), lineFirstOld));
     }