Fixed LowColor() of "background" view. Seems this was always wrong, but now we

are running without offscreen view, and this caused dark slider background,
since LowColor() was unintentionally B_TRANSPARENT_COLOR. Fixes #5323.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35284 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/interface/Slider.cpp

@@ -392,7 +392,7 @@ BSlider::AttachedToWindow()
 	BView* view = OffscreenView();
 	if (view && view->LockLooper()) {
 		view->SetViewColor(B_TRANSPARENT_COLOR);
-		view->SetLowColor(ViewColor());
+		view->SetLowColor(LowColor());
 		view->UnlockLooper();
 	}
 
@@ -827,7 +827,7 @@ BSlider::Draw(BRect updateRect)
 
 	if (fOffScreenBits->Lock()) {
 		fOffScreenView->SetViewColor(ViewColor());
-		fOffScreenView->SetLowColor(ViewColor());
+		fOffScreenView->SetLowColor(LowColor());
 #endif
 
 		if (drawBackground && background.Frame().IsValid())