Examples of javax.swing.KeyStroke

javax.swing.KeyStroke
A KeyStroke represents a key action on the keyboard, or equivalent input device. KeyStrokes can correspond to only a press or release of a particular key, just as KEY_PRESSED and KEY_RELEASED KeyEvents do; alternately, they can correspond to typing a specific Java character, just as KEY_TYPED KeyEvents do. In all cases, KeyStrokes can specify modifiers (alt, shift, control, meta, altGraph, or a combination thereof) which must be present during the action for an exact match.
KeyStrokes are used to define high-level (semantic) action events. Instead of trapping every keystroke and throwing away the ones you are not interested in, those keystrokes you care about automatically initiate actions on the Components with which they are registered.
KeyStrokes are immutable, and are intended to be unique. Client code cannot create a KeyStroke; a variant of getKeyStroke must be used instead. These factory methods allow the KeyStroke implementation to cache and share instances efficiently.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @see javax.swing.text.Keymap @see #getKeyStroke @author Arnaud Weber @author David Mendenhall

        getRootNode().putChild(IDENT, node);
    }


    public static void installAutoTabAction(JTextComponent tComp) {
        tComp.getActionMap().put("GroovyFilter-autoTab", AUTO_TAB_ACTION);
        KeyStroke keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false);
        tComp.getInputMap().put(keyStroke, "GroovyFilter-autoTab");
    }

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      public void actionPerformed(ActionEvent actionEvent)
         {
            closeDlg();
         }
      };
      KeyStroke escapeStroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
      _dlg.getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(escapeStroke, "CloseAction");
      _dlg.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(escapeStroke, "CloseAction");
      _dlg.getRootPane().getInputMap(JComponent.WHEN_FOCUSED).put(escapeStroke, "CloseAction");
      _dlg.getRootPane().getActionMap().put("CloseAction", closeAction);
   }

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    // Sets keystroke component of currently selected entry
    private void setShortcut(KeyEvent event)
    {
        if (this.chooser.isBindingSelected())
        {
            KeyStroke input = KeyStroke.getKeyStrokeForEvent(event);


            if (this.isDisablingEnabled
                && input.getKeyCode() == this.disablingKeyCode)
            {
                String action = this.chooser.getSelected().getAction();
                if (this.chooser.getBindings().contains(
                    new BindingEntry(BindingEntry.DISABLED, action)))
                {

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                    ex.printStackTrace();
                }
            }
        }
        if (key != -1) {
            KeyStroke ks = KeyStroke.getKeyStroke(key, mod);
            return ks;
        }
        return null;


    }

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    // As the applet has no menu, activate accelerators directly on home view
    for (HomeView.ActionType actionType : HomeView.ActionType.values()) {
      Action action = homeView.getActionMap().get(actionType);
      if (action != null) {
        ResourceAction.MenuItemAction menuAction = new ResourceAction.MenuItemAction(action);
        KeyStroke accelerator = (KeyStroke)menuAction.getValue(Action.ACCELERATOR_KEY);
        if (accelerator != null) {
          homeView.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(accelerator, actionType);
        }
      }
    }

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      actionMap.put(moveSelRightAction, new MoveSelectionAction(1));
      actionMap.put(SelectAllAction.SELECT_ALL, new SelectAllAction());


      final InputMap inputMap
        = panel.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
      final KeyStroke up = KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0);
      inputMap.put(up, moveSelUpAction);
      final KeyStroke kpUp = KeyStroke.getKeyStroke(KeyEvent.VK_KP_UP, 0);
      inputMap.put(kpUp, moveSelUpAction);
      final KeyStroke down = KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0);
      inputMap.put(down, moveSelDownAction);
      final KeyStroke kpDown = KeyStroke.getKeyStroke(KeyEvent.VK_KP_DOWN, 0);
      inputMap.put(kpDown, moveSelDownAction);
      final KeyStroke left = KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0);
      inputMap.put(left, moveSelLeftAction);
      final KeyStroke kpLeft = KeyStroke.getKeyStroke(KeyEvent.VK_KP_LEFT, 0);
      inputMap.put(kpLeft, moveSelLeftAction);
      final KeyStroke right = KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0);
      inputMap.put(right, moveSelRightAction);
      final KeyStroke kpRight = KeyStroke.getKeyStroke(KeyEvent.VK_KP_RIGHT, 0);
      inputMap.put(kpRight, moveSelRightAction);


      final int mask = getToolkit().getMenuShortcutKeyMask();
      final KeyStroke ctrlA = KeyStroke.getKeyStroke(KeyEvent.VK_A, mask);
      inputMap.put(ctrlA, SelectAllAction.SELECT_ALL);


      contextPopupMenu = new JPopupMenu();


      ButtonGroup       group         = new ButtonGroup();

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    if (componentID != null && vars.getProperty(componentID, "") != "") {
      Vector keys = vars.getPropertyAsVector(componentID, "");
      for (int i = 0; i < keys.size(); i++) {
  String keyID = componentID + "." + (String)keys.elementAt(i);
  String keyAction = vars.getProperty(keyID + ".Action" , "");
  KeyStroke keyStroke = getKeyStroke(keyID, vars);
  if (keyAction != "" && keyStroke != null) {
    putInKeyTable(keyAction, keyStroke);
  }
      }
    }

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    while (hashKeys.hasMoreElements()) {
      String actionCmd = (String)hashKeys.nextElement();
      Vector keyStrokeVector = getFromKeyTable(actionCmd);
      Action a = getAction(actionCmd);
      for (int i = 0; keyStrokeVector != null && i < keyStrokeVector.size(); i++) {
  KeyStroke keyStroke = (KeyStroke)keyStrokeVector.elementAt(i);
  inputMap.remove(keyStroke);
  actionMap.remove(actionCmd);
  if (a != null) {
    inputMap.put(keyStroke, actionCmd);
    actionMap.put(actionCmd, a);

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   * @param defaultModifier swing default modifier key for the action
   * @param nativeModifier native modifier key for the action
   */
  private void remapKey(InputMapUIResource map, int key, int defaultModifier, 
      int nativeModifier) {
    KeyStroke defaultKey = KeyStroke.getKeyStroke(key, defaultModifier);
    Object action = map.get(defaultKey);
    
    KeyStroke nativeKey = KeyStroke.getKeyStroke(key, nativeModifier);
    if (!nativeKey.equals(defaultKey)) {
      map.remove(defaultKey);
      map.put(nativeKey, action);
    }
  }

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   */
  private void addToMainTableKeyBindings(Action action) {
    if (action != null) {
      Object keyStroke = action.getValue(Action.ACCELERATOR_KEY);
      if (keyStroke != null) {
        KeyStroke stroke = (KeyStroke) keyStroke;
        mainTable.getInputMap(WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(stroke, action.getValue(Action.NAME));
        mainTable.getActionMap().put(action.getValue(Action.NAME), action);
      }
    }
  }

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