tdf#126222 Headers/footers are at correct position after scrolling

After scrolling, the positions of headers and footers of the
previous pages have to be updated, else these headers and
footers could get visible at a wrong position.

Change-Id: I25508cc0fc0bb7a6e59aeb996e2e7e0a0e23511f
Reviewed-on: https://gerrit.libreoffice.org/75118
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>

1 files changed, 12 insertions, 0 deletions

diff --git a/sw/source/core/layout/paintfrm.cxx b/sw/source/core/layout/paintfrm.cxx
index 36f1cd69ff5d..e17d38550eec 100644
--- a/sw/source/core/layout/paintfrm.cxx
+++ b/sw/source/core/layout/paintfrm.cxx
@@ -2987,6 +2987,18 @@ void SwRootFrame::PaintSwFrame(vcl::RenderContext& rRenderContext, SwRect const&
 
     const SwPageFrame *pPage = pSh->Imp()->GetFirstVisPage(&rRenderContext);
 
+    // #126222. The positions of headers and footers of the previous
+    // pages have to be updated, else these headers and footers could
+    // get visible at a wrong position.
+    const SwPageFrame *pPageDeco = static_cast<const SwPageFrame*>(pPage->GetPrev());
+    while (pPageDeco)
+    {
+        pPageDeco->PaintDecorators();
+        OSL_ENSURE(!pPageDeco->GetPrev() || pPageDeco->GetPrev()->IsPageFrame(),
+            "Neighbour of page is not a page.");
+        pPageDeco = static_cast<const SwPageFrame*>(pPageDeco->GetPrev());
+    }
+
     const bool bBookMode = gProp.pSGlobalShell->GetViewOptions()->IsViewLayoutBookMode();
     if ( bBookMode && pPage->GetPrev() && static_cast<const SwPageFrame*>(pPage->GetPrev())->IsEmptyPage() )
         pPage = static_cast<const SwPageFrame*>(pPage->GetPrev());