From 54192de4db5924e477316e5154f5a68f3bf802ef Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Thu, 6 Apr 2017 17:53:11 +0300
Subject: [PATCH] IDEA-168238 lookup popup stays visible on focus change (via
 alt-tab), if auto popup documentation is turned on

---
 .../com/intellij/ui/popup/StackingPopupDispatcherImpl.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/platform/platform-impl/src/com/intellij/ui/popup/StackingPopupDispatcherImpl.java b/platform/platform-impl/src/com/intellij/ui/popup/StackingPopupDispatcherImpl.java
index ca88f58dfc85..093247f4b651 100644
--- a/platform/platform-impl/src/com/intellij/ui/popup/StackingPopupDispatcherImpl.java
+++ b/platform/platform-impl/src/com/intellij/ui/popup/StackingPopupDispatcherImpl.java
@@ -203,7 +203,12 @@ public class StackingPopupDispatcherImpl extends StackingPopupDispatcher impleme
 
   @Override
   public boolean close() {
-    return closeActivePopup();
+    if (!closeActivePopup()) return false;
+    // try to close other popups in the stack
+    while (closeActivePopup()) {
+      // close all popups one by one
+    }
+    return true; // at least one popup was closed
   }
 
   @Override