Fixed some drawing problems (only visible when fUseFillColor was used, or

when DrawBar() was overridden).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13336 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/interface/Slider.cpp

@@ -638,6 +638,10 @@ BSlider::SetValue(int32 value)
 				oldThumbFrame.left -= 2;
 		}
 
+		// While it would be enough to do this dependent on fUseFillColor,
+		// that doesn't work out if DrawBar() has been overridden by a sub class
+		oldThumbFrame.top = BarFrame().top;
+
 		_SetLocation(loc);
 
 		BControl::SetValue(value);