From a175c4094f9735f5524fc6f19b8bca6243ebcc3d Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Mon, 28 Jan 2019 17:13:17 +0300
Subject: [PATCH] IDEA-205976: update a focused file before rebuilding a
 structure view

---
 .../src/com/intellij/ide/impl/StructureViewWrapperImpl.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/ide/impl/StructureViewWrapperImpl.java b/platform/lang-impl/src/com/intellij/ide/impl/StructureViewWrapperImpl.java
index bb00c8f4e333..9b93c4773560 100644
--- a/platform/lang-impl/src/com/intellij/ide/impl/StructureViewWrapperImpl.java
+++ b/platform/lang-impl/src/com/intellij/ide/impl/StructureViewWrapperImpl.java
@@ -122,7 +122,10 @@ public class StructureViewWrapperImpl implements StructureViewWrapper, Disposabl
       @Override
       public void hierarchyChanged(HierarchyEvent e) {
         if (BitUtil.isSet(e.getChangeFlags(), HierarchyEvent.DISPLAYABILITY_CHANGED)) {
-          LOG.debug("displayability changed");
+          boolean visible = myToolWindow.isVisible();
+          LOG.debug("displayability changed: " + visible);
+          if (!visible) return; // do nothing on hide
+          loggedRun("update file", StructureViewWrapperImpl.this::checkUpdate);
           scheduleRebuild();
         }
       }