@SuppressWarnings("HardCodedStringLiteral")
  private void processListSelection(final KeyEvent e) {
    if (togglePopup(e)) return;

    if (!isPopupShowing()) return;

    final InputMap map = myPathTextField.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    if (map != null) {
      final Object object = map.get(KeyStroke.getKeyStrokeForEvent(e));
      if (object instanceof Action) {
        final Action action = (Action) object;
        if (action.isEnabled()) {
          action.actionPerformed(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "action"));
          e.consume();
          return;
        }
      }
    }

    final Object action = getAction(e, myList);

    if ("selectNextRow".equals(action)) {
      if (ensureSelectionExists()) {
        ListScrollingUtil.moveDown(myList, e.getModifiersEx());
      }
    } else if ("selectPreviousRow".equals(action)) {
      ListScrollingUtil.moveUp(myList, e.getModifiersEx());
    } else if ("scrollDown".equals(action)) {
      ListScrollingUtil.movePageDown(myList);
    } else if ("scrollUp".equals(action)) {
      ListScrollingUtil.movePageUp(myList);
    } else if (getSelectedFileFromCompletionPopup() != null
        && (e.getKeyCode() == KeyEvent.VK_ENTER || e.getKeyCode() == KeyEvent.VK_TAB)
        && e.getModifiers() == 0) {
      hideCurrentPopup();
      e.consume();
      processChosenFromCompletion(e.getKeyCode() == KeyEvent.VK_TAB);
    }
  }
  private boolean inSecondStrokeInProgressState() {
    KeyEvent e = myContext.getInputEvent();

    // when any key is released, we stop waiting for the second stroke
    if (KeyEvent.KEY_RELEASED == e.getID()) {
      myFirstKeyStroke = null;
      setState(KeyState.STATE_INIT);
      Project project = PlatformDataKeys.PROJECT.getData(myContext.getDataContext());
      StatusBar.Info.set(null, project);
      return false;
    }

    KeyStroke originalKeyStroke = KeyStroke.getKeyStrokeForEvent(e);
    KeyStroke keyStroke = getKeyStrokeWithoutMouseModifiers(originalKeyStroke);

    updateCurrentContext(
        myContext.getFoundComponent(),
        new KeyboardShortcut(myFirstKeyStroke, keyStroke),
        myContext.isModalContext());

    // consume the wrong second stroke and keep on waiting
    if (myContext.getActions().isEmpty()) {
      return true;
    }

    // finally user had managed to enter the second keystroke, so let it be processed
    Project project = PlatformDataKeys.PROJECT.getData(myContext.getDataContext());
    StatusBarEx statusBar = (StatusBarEx) WindowManager.getInstance().getStatusBar(project);
    if (processAction(e, myActionProcessor)) {
      if (statusBar != null) {
        statusBar.setInfo(null);
      }
      return true;
    } else {
      return false;
    }
  }
  private boolean inInitState() {
    Component focusOwner = myContext.getFocusOwner();
    boolean isModalContext = myContext.isModalContext();
    DataContext dataContext = myContext.getDataContext();
    KeyEvent e = myContext.getInputEvent();

    // http://www.jetbrains.net/jira/browse/IDEADEV-12372
    if (myLeftCtrlPressed
        && myRightAltPressed
        && focusOwner != null
        && e.getModifiers() == (InputEvent.CTRL_MASK | InputEvent.ALT_MASK)) {
      if (Registry.is("actionSystem.force.alt.gr")) {
        return false;
      }
      final InputContext inputContext = focusOwner.getInputContext();
      if (inputContext != null) {
        Locale locale = inputContext.getLocale();
        if (locale != null) {
          @NonNls final String language = locale.getLanguage();
          if (ALT_GR_LAYOUTS.contains(language)) {
            // don't search for shortcuts
            return false;
          }
        }
      }
    }

    KeyStroke originalKeyStroke = KeyStroke.getKeyStrokeForEvent(e);
    KeyStroke keyStroke = getKeyStrokeWithoutMouseModifiers(originalKeyStroke);

    if (myKeyGestureProcessor.processInitState()) {
      return true;
    }

    if (SystemInfo.isMac) {
      boolean keyTyped = e.getID() == KeyEvent.KEY_TYPED;
      boolean hasMnemonicsInWindow =
          e.getID() == KeyEvent.KEY_PRESSED && hasMnemonicInWindow(focusOwner, e.getKeyCode())
              || keyTyped && hasMnemonicInWindow(focusOwner, e.getKeyChar());
      boolean imEnabled = IdeEventQueue.getInstance().isInputMethodEnabled();

      if (e.getModifiersEx() == InputEvent.ALT_DOWN_MASK
          && (hasMnemonicsInWindow || (!imEnabled && keyTyped))) {
        setPressedWasProcessed(true);
        setState(KeyState.STATE_PROCESSED);
        return false;
      }
    }

    updateCurrentContext(focusOwner, new KeyboardShortcut(keyStroke, null), isModalContext);
    if (myContext.getActions().isEmpty()) {
      // there's nothing mapped for this stroke
      return false;
    }

    if (myContext.isHasSecondStroke()) {
      myFirstKeyStroke = keyStroke;
      final ArrayList<Pair<AnAction, KeyStroke>> secondKeyStrokes = getSecondKeystrokeActions();

      final Project project = PlatformDataKeys.PROJECT.getData(dataContext);
      StringBuilder message = new StringBuilder();
      message.append(KeyMapBundle.message("prefix.key.pressed.message"));
      message.append(' ');
      for (int i = 0; i < secondKeyStrokes.size(); i++) {
        Pair<AnAction, KeyStroke> pair = secondKeyStrokes.get(i);
        if (i > 0) message.append(", ");
        message.append(pair.getFirst().getTemplatePresentation().getText());
        message.append(" (");
        message.append(KeymapUtil.getKeystrokeText(pair.getSecond()));
        message.append(")");
      }

      StatusBar.Info.set(message.toString(), project);

      mySecondStrokeTimeout.cancelAllRequests();
      mySecondStrokeTimeout.addRequest(
          mySecondStrokeTimeoutRunnable, Registry.intValue("actionSystem.secondKeystrokeTimeout"));

      if (Registry.is("actionSystem.secondKeystrokeAutoPopupEnabled")) {
        mySecondKeystrokePopupTimeout.cancelAllRequests();
        if (secondKeyStrokes.size() > 1) {
          final DataContext oldContext = myContext.getDataContext();
          mySecondKeystrokePopupTimeout.addRequest(
              new Runnable() {
                @Override
                public void run() {
                  if (myState == KeyState.STATE_WAIT_FOR_SECOND_KEYSTROKE) {
                    StatusBar.Info.set(null, PlatformDataKeys.PROJECT.getData(oldContext));
                    new SecondaryKeystrokePopup(myFirstKeyStroke, secondKeyStrokes, oldContext)
                        .showInBestPositionFor(oldContext);
                  }
                }
              },
              Registry.intValue("actionSystem.secondKeystrokePopupTimeout"));
        }
      }

      setState(KeyState.STATE_WAIT_FOR_SECOND_KEYSTROKE);
      return true;
    } else {
      return processAction(e, myActionProcessor);
    }
  }