From 0951ab6a2827117f142f5230294188e809160a32 Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Fri, 18 Jan 2019 18:23:26 +0300
Subject: [PATCH] IDEA-203019/IDEA-148060: Completion doesn't work after
 switching window

---
 .../src/com/intellij/codeInsight/lookup/impl/LookupImpl.java | 5 +++++
 1 file changed, 5 insertions(+)

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 09df1547bffc..6d314dac7031 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
@@ -1096,6 +1096,11 @@ public class LookupImpl extends LightweightHint implements LookupEx, Disposable,
     return myAdComponent.getAdvertisements();
   }
 
+  @Override
+  protected void onPopupCancel() {
+    hide();
+  }
+
   @Override
   public void hide(){
     hideLookup(true);