- simplified a little the update code/process.

- moved part of the update code from Layer to WinBorder. Fits better
there.
- renamed a couple members.
- some cleanup.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13273 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/ServerWindow.cpp

@@ -1461,8 +1461,8 @@ ServerWindow::_DispatchGraphicsMessage(int32 code, BPrivate::LinkReceiver &link)
 	(fCurrentLayer->fVisible)
 #endif
 	;
-	if (fWinBorder->fInUpdate)
-		rreg.IntersectWith(&fWinBorder->yUpdateReg);
+	if (fWinBorder->InUpdate())
+		rreg.IntersectWith(&fWinBorder->RegionToBeUpdated());
 
 	gDesktop->GetDisplayDriver()->ConstrainClippingRegion(&rreg);
 //	rgb_color  rrr = fCurrentLayer->fLayerData->viewcolor.GetColor32();