Beispiel #1
0
  /** Code completion. */
  private void complete() {
    if (selected()) return;

    // find first character
    final int caret = editor.pos(), startPos = editor.completionStart();
    final String prefix = string(substring(editor.text(), startPos, caret));
    if (prefix.isEmpty()) return;

    // find insertion candidates
    final TreeMap<String, String> tmp = new TreeMap<>();
    for (final Entry<String, String> entry : REPLACE.entrySet()) {
      final String key = entry.getKey();
      if (key.startsWith(prefix)) tmp.put(key, entry.getValue());
    }

    if (tmp.size() == 1) {
      // insert single candidate
      complete(tmp.values().iterator().next(), startPos);
    } else if (!tmp.isEmpty()) {
      // show popup menu
      final JPopupMenu pm = new JPopupMenu();
      final ActionListener al =
          new ActionListener() {
            @Override
            public void actionPerformed(final ActionEvent ae) {
              complete(ae.getActionCommand().replaceAll("^.*?\\] ", ""), startPos);
            }
          };

      for (final Entry<String, String> entry : tmp.entrySet()) {
        final JMenuItem mi = new JMenuItem("[" + entry.getKey() + "] " + entry.getValue());
        pm.add(mi);
        mi.addActionListener(al);
      }
      pm.addSeparator();
      final JMenuItem mi = new JMenuItem(Text.INPUT + Text.COLS + prefix);
      mi.setEnabled(false);
      pm.add(mi);

      final int[] cursor = rend.cursor();
      pm.show(this, cursor[0], cursor[1]);

      // highlight first entry
      final MenuElement[] me = {pm, (JMenuItem) pm.getComponent(0)};
      MenuSelectionManager.defaultManager().setSelectedPath(me);
    }
  }
  /**
   * @return <code>true</code> if and only if the passed event is already dispatched by the <code>
   *     IdeKeyEventDispatcher</code> and there is no need for any other processing of the event.
   */
  public boolean dispatchKeyEvent(final KeyEvent e) {
    if (myDisposed) return false;

    if (e.isConsumed()) {
      return false;
    }

    // http://www.jetbrains.net/jira/browse/IDEADEV-12372
    if (e.getKeyCode() == KeyEvent.VK_CONTROL) {
      if (e.getID() == KeyEvent.KEY_PRESSED) {
        myLeftCtrlPressed = e.getKeyLocation() == KeyEvent.KEY_LOCATION_LEFT;
      } else if (e.getID() == KeyEvent.KEY_RELEASED) {
        myLeftCtrlPressed = false;
      }
    } else if (e.getKeyCode() == KeyEvent.VK_ALT) {
      if (e.getID() == KeyEvent.KEY_PRESSED) {
        myRightAltPressed = e.getKeyLocation() == KeyEvent.KEY_LOCATION_RIGHT;
      } else if (e.getID() == KeyEvent.KEY_RELEASED) {
        myRightAltPressed = false;
      }
    }

    KeyboardFocusManager focusManager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
    Component focusOwner = focusManager.getFocusOwner();

    // shortcuts should not work in shortcut setup fields
    if (focusOwner instanceof ShortcutTextField) {
      return false;
    }
    if (focusOwner instanceof JTextComponent && ((JTextComponent) focusOwner).isEditable()) {
      if (e.getKeyChar() != KeyEvent.CHAR_UNDEFINED && e.getKeyChar() != KeyEvent.VK_ESCAPE) {
        MacUIUtil.hideCursor();
      }
    }

    MenuSelectionManager menuSelectionManager = MenuSelectionManager.defaultManager();
    MenuElement[] selectedPath = menuSelectionManager.getSelectedPath();
    if (selectedPath.length > 0) {
      if (!(selectedPath[0] instanceof ComboPopup)) {
        // The following couple of lines of code is a PATCH!!!
        // It is needed to ignore ENTER KEY_TYPED events which sometimes can reach editor when an
        // action
        // is invoked from main menu via Enter key.
        setState(KeyState.STATE_PROCESSED);
        setPressedWasProcessed(true);
        return false;
      }
    }

    // Keymap shortcuts (i.e. not local shortcuts) should work only in:
    // - main frame
    // - floating focusedWindow
    // - when there's an editor in contexts
    Window focusedWindow = focusManager.getFocusedWindow();
    boolean isModalContext = focusedWindow != null && isModalContext(focusedWindow);

    final DataManager dataManager = DataManager.getInstance();
    if (dataManager == null) return false;

    DataContext dataContext = dataManager.getDataContext();

    myContext.setDataContext(dataContext);
    myContext.setFocusOwner(focusOwner);
    myContext.setModalContext(isModalContext);
    myContext.setInputEvent(e);

    try {
      if (getState() == KeyState.STATE_INIT) {
        return inInitState();
      } else if (getState() == KeyState.STATE_PROCESSED) {
        return inProcessedState();
      } else if (getState() == KeyState.STATE_WAIT_FOR_SECOND_KEYSTROKE) {
        return inWaitForSecondStrokeState();
      } else if (getState() == KeyState.STATE_SECOND_STROKE_IN_PROGRESS) {
        return inSecondStrokeInProgressState();
      } else if (getState() == KeyState.STATE_KEY_GESTURE_PROCESSOR) {
        return myKeyGestureProcessor.process();
      } else {
        throw new IllegalStateException("state = " + getState());
      }
    } finally {
      myContext.clear();
    }
  }