let lookup iself hide when the editor is hidden (EA-40772)

platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java

@@ -73,6 +73,8 @@ import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.ui.AbstractLayoutManager;
 import com.intellij.util.ui.AsyncProcessIcon;
 import com.intellij.util.ui.ButtonlessScrollBarUI;
+import com.intellij.util.ui.update.Activatable;
+import com.intellij.util.ui.update.UiNotifyConnector;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.TestOnly;
@@ -85,8 +87,10 @@ import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;
 import java.awt.*;
 import java.awt.event.*;
-import java.util.*;
+import java.util.Collection;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 public class LookupImpl extends LightweightHint implements LookupEx, Disposable {
   private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.lookup.impl.LookupImpl");
@@ -872,6 +876,17 @@ public class LookupImpl extends LightweightHint implements LookupEx, Disposable
       }
     });
 
+    Disposer.register(this, new UiNotifyConnector(myEditor.getContentComponent(), new Activatable() {
+      @Override
+      public void showNotify() {
+      }
+
+      @Override
+      public void hideNotify() {
+        hideLookup(false);
+      }
+    }));
+
     myList.addListSelectionListener(new ListSelectionListener() {
       private LookupElement oldItem = null;
 

platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupManagerImpl.java

@@ -41,8 +41,6 @@ import com.intellij.psi.PsiFile;
 import com.intellij.ui.LightweightHint;
 import com.intellij.util.Alarm;
 import com.intellij.util.messages.MessageBus;
-import com.intellij.util.ui.update.Activatable;
-import com.intellij.util.ui.update.UiNotifyConnector;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.TestOnly;
 
@@ -138,17 +136,6 @@ public class LookupManagerImpl extends LookupManager {
     final LookupImpl lookup = new LookupImpl(myProject, editor, arranger);
     DaemonCodeAnalyzer.getInstance(myProject).disableUpdateByTimer(lookup);
 
-   final UiNotifyConnector connector = new UiNotifyConnector(editor.getContentComponent(), new Activatable() {
-      @Override
-      public void showNotify() {
-      }
-
-      @Override
-      public void hideNotify() {
-        hideActiveLookup();
-      }
-    });
-
     final Alarm alarm = new Alarm();
     final Runnable request = new Runnable() {
       @Override
@@ -204,8 +191,6 @@ public class LookupManagerImpl extends LookupManager {
         myActiveLookupEditor = null;
         lookup.removeLookupListener(this);
         myPropertyChangeSupport.firePropertyChange(PROP_ACTIVE_LOOKUP, lookup, null);
-
-        Disposer.dispose(connector);
       }
     });