vcl/source/control/scrbar.cxx | 5 +++++
1 file changed, 5 insertions(+)
New commits:
commit 9f0e3802e621fb02efde1778c151b93630cdd2fa
Author: Tomaž Vajngerl <tomaz.vajng...@collabora.co.uk>
Date: Thu Apr 28 15:09:16 2016 +0900
tdf#99574 fix sluggish scrollbar for an immediate paint
Change-Id: I34e87ac580aa1ddb6bc3851bbe99689189c787f6
diff --git a/vcl/source/control/scrbar.cxx b/vcl/source/control/scrbar.cxx
index de89a6c..fa68c42 100644
--- a/vcl/source/control/scrbar.cxx
+++ b/vcl/source/control/scrbar.cxx
@@ -843,6 +843,11 @@ void ScrollBar::ImplDragThumb( const Point& rMousePos )
ImplUpdateRects();
if ( mbFullDrag && (nOldPos != mnThumbPos) )
{
+ // When dragging in windows the repaint request gets starved so
dragging
+ // the scrollbar feels slower than it actually is. Let's force an
immediate
+ // repaint of the scrollbar.
+ ImplDraw(*this, SCRBAR_DRAW_ALL);
+
mnDelta = mnThumbPos-nOldPos;
Scroll();
mnDelta = 0;
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