From 4f1405caf7fb7f4c9068577a1ff971b69ef80080 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Wed, 12 Oct 2011 19:18:44 +0200
Subject: [PATCH] don't display progress icon when the completion takes little
 time

---
 .../codeInsight/lookup/impl/LookupImpl.java         | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java b/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
index f72cdc2b4061..896e5e1a863e 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
@@ -230,7 +230,18 @@ public class LookupImpl extends LightweightHint implements LookupEx, Disposable
 
   public void setCalculating(final boolean calculating) {
     myCalculating = calculating;
-    myIconPanel.setVisible(calculating);
+    Runnable setVisible = new Runnable() {
+      @Override
+      public void run() {
+        myIconPanel.setVisible(myCalculating);
+      }
+    };
+    if (myCalculating) {
+      new Alarm().addRequest(setVisible, 100);
+    } else {
+      setVisible.run();
+    }
+
     if (calculating) {
       myProcessIcon.resume();
     } else {