Force SetBackground() only if the appropriate settings changed.

Otherwise, when you use SetBackground() to set a color, it will be changed to
white the next time the UpdateSettings() is called whatever you do ;-)

Change-Id: I508a049a327fa9be5035bdb19050d6bcb53a2bfe

1 files changed, 8 insertions, 2 deletions

diff --git a/vcl/source/window/window.cxx b/vcl/source/window/window.cxx
index be193a8a940c..24edbd1e2e4b 100644
--- a/vcl/source/window/window.cxx
+++ b/vcl/source/window/window.cxx
@@ -5790,9 +5790,15 @@ void Window::UpdateSettings( const AllSettings& rSettings, sal_Bool bChild )
         if( !aWallpaper.IsBitmap() && !aWallpaper.IsGradient() )
         {
             if ( mpWindowImpl->mnStyle & WB_3DLOOK )
-                SetBackground( Wallpaper( rSettings.GetStyleSettings().GetFaceColor() ) );
+            {
+                if (aOldSettings.GetStyleSettings().GetFaceColor() != rSettings.GetStyleSettings().GetFaceColor())
+                    SetBackground( Wallpaper( rSettings.GetStyleSettings().GetFaceColor() ) );
+            }
             else
-                SetBackground( Wallpaper( rSettings.GetStyleSettings().GetWindowColor() ) );
+            {
+                if (aOldSettings.GetStyleSettings().GetWindowColor() != rSettings.GetStyleSettings().GetWindowColor())
+                    SetBackground( Wallpaper( rSettings.GetStyleSettings().GetWindowColor() ) );
+            }
         }
     }