[Libreoffice-commits] core.git: vcl/source

[Tomaž Vajngerl]

 vcl/source/control/scrbar.cxx |    5 +++++
 1 file changed, 5 insertions(+)

New commits:
commit 9f0e3802e621fb02efde1778c151b93630cdd2fa
Author: Tomaž Vajngerl <tomaz.vajngerl at 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;