From c27e5fd8a6377c4d51058b2e7cb38220ccc2c70f Mon Sep 17 00:00:00 2001
From: "peter.gromov" <peter@jetbrains.com>
Date: Wed, 6 Oct 2010 18:17:11 +0400
Subject: [PATCH] fix NPE on updating invisible lookup

---
 .../src/com/intellij/codeInsight/hint/HintManagerImpl.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/platform-impl/src/com/intellij/codeInsight/hint/HintManagerImpl.java b/platform/platform-impl/src/com/intellij/codeInsight/hint/HintManagerImpl.java
index 1b77f026b85c..97f7419bf7db 100644
--- a/platform/platform-impl/src/com/intellij/codeInsight/hint/HintManagerImpl.java
+++ b/platform/platform-impl/src/com/intellij/codeInsight/hint/HintManagerImpl.java
@@ -210,6 +210,10 @@ public class HintManagerImpl extends HintManager implements Disposable {
       ((ScrollAwareHint)hint.getComponent()).editorScrolled();
     }
 
+    if (!hint.isVisible()) {
+      return;
+    }
+
     Editor editor = e.getEditor();
     if (!editor.getComponent().isShowing() || editor.isOneLineMode()) return;
     Rectangle newRectangle = e.getOldRectangle();