After scrolling, the scroll bar indicators disappear

Original Reporter info from Mantis: djenkins @dfjenkins

• Reporter name: David Jenkins

Description:

It seems the backgrounds are invalidating and redrawing but the actual bar is not. Adding a setNeedsDisplay to end of TCocoaScrollBar.actionScrolling fixes this.

Additional information:

Patch:

Index: cocoaprivate.pp
===================================================================
--- cocoaprivate.pp	(revision 21837)
+++ cocoaprivate.pp	(revision 21914)
@@ -1572,6 +1572,7 @@
   LMScroll.ScrollCode := SIF_POS;
 
   LCLMessageGlue.DeliverMessage(LCLScrollBar, LMScroll);
+  setNeedsDisplay_(True);
 end;
 
 function TCocoaScrollBar.IsHorizontal: Boolean;

Mantis conversion info:

• Mantis ID: 32827