private void addListeners() { myEditor .getDocument() .addDocumentListener( new DocumentAdapter() { @Override public void documentChanged(DocumentEvent e) { if (!myChangeGuard && !myFinishing) { hide(); } } }, this); final CaretListener caretListener = new CaretAdapter() { @Override public void caretPositionChanged(CaretEvent e) { if (!myChangeGuard && !myFinishing) { hide(); } } }; final SelectionListener selectionListener = new SelectionListener() { @Override public void selectionChanged(final SelectionEvent e) { if (!myChangeGuard && !myFinishing) { hide(); } } }; final EditorMouseListener mouseListener = new EditorMouseAdapter() { @Override public void mouseClicked(EditorMouseEvent e) { e.consume(); hide(); } }; myEditor.getCaretModel().addCaretListener(caretListener); myEditor.getSelectionModel().addSelectionListener(selectionListener); myEditor.addEditorMouseListener(mouseListener); Disposer.register( this, new Disposable() { @Override public void dispose() { myEditor.getCaretModel().removeCaretListener(caretListener); myEditor.getSelectionModel().removeSelectionListener(selectionListener); myEditor.removeEditorMouseListener(mouseListener); } }); JComponent editorComponent = myEditor.getContentComponent(); if (editorComponent.isShowing()) { Disposer.register( this, new UiNotifyConnector( editorComponent, new Activatable() { @Override public void showNotify() {} @Override public void hideNotify() { hideLookup(false); } })); } myList.addListSelectionListener( new ListSelectionListener() { private LookupElement oldItem = null; @Override public void valueChanged(@NotNull ListSelectionEvent e) { if (!myUpdating) { final LookupElement item = getCurrentItem(); fireCurrentItemChanged(oldItem, item); oldItem = item; } } }); new ClickListener() { @Override public boolean onClick(@NotNull MouseEvent e, int clickCount) { setFocusDegree(FocusDegree.FOCUSED); markSelectionTouched(); if (clickCount == 2) { CommandProcessor.getInstance() .executeCommand( myProject, new Runnable() { @Override public void run() { finishLookup(NORMAL_SELECT_CHAR); } }, "", null); } return true; } }.installOn(myList); }