From ebbde959426d36bf9e57f5268917daae66873f24 Mon Sep 17 00:00:00 2001
From: "Gregory.Shrago" <gregory.shrago@jetbrains.com>
Date: Fri, 6 Apr 2018 22:17:14 +0300
Subject: [PATCH] IDEA-189726 Tree expand unexpectedly when navigating using
 Up/Down keys

---
 .../lang-impl/src/com/intellij/ide/util/FileStructurePopup.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java b/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java
index 13069888264b..05e033ba1e64 100644
--- a/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java
+++ b/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java
@@ -343,6 +343,7 @@ public class FileStructurePopup implements Disposable, TreeActionsOwner {
           filter = prefix;
           rebuild(true).processed(ignore -> UIUtil.invokeLaterIfNeeded(() -> {
             if (isDisposed()) return;
+            TreeUtil.promiseExpandAll(myTree);
             if (isBackspace && handleBackspace(filter)) {
               return;
             }