From 30d40769ea0a8edfd43afb448122cfe2cf396b2a Mon Sep 17 00:00:00 2001
From: James Procter <j.procter@dundee.ac.uk>
Date: Tue, 6 Jun 2023 17:59:35 +0100
Subject: [PATCH] JAL-4160 JAL-4195 wait around until alignFrame calculators
 are finished before trying to output an image

---
 src/jalview/workers/AlignCalcManager.java |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/jalview/workers/AlignCalcManager.java b/src/jalview/workers/AlignCalcManager.java
index 08ef3a2..d81db8c 100644
--- a/src/jalview/workers/AlignCalcManager.java
+++ b/src/jalview/workers/AlignCalcManager.java
@@ -200,11 +200,20 @@ public class AlignCalcManager implements AlignCalcManagerI
   @Override
   public boolean isWorking()
   {
+    boolean working=false;
     synchronized (inProgress)
     {
       // System.err.println("isWorking "+hashCode());
-      return inProgress.size() > 0;
+      working |= inProgress.size() > 0;
     }
+    synchronized (updating)
+    {
+      for (List<AlignCalcWorkerI> workers : updating.values())
+      {
+        working |= workers.size() > 0;
+      }
+    }
+    return working;
   }
 
   @Override
-- 
1.7.10.2