Java KeyStroke類代碼示例

import javax.swing.KeyStroke; //導入依賴的package包/類
/**
 * This method initializes this
 *
 * @return void
 */
private void initialize() {
    setLayout(new BorderLayout());
    this.setSize(581, 39);
    this.add(getJPanel(), java.awt.BorderLayout.WEST);
    setFocusable(true);
    final AbstractAction aa = new AbstractAction() {

        /**
         *
         */
        private static final long serialVersionUID = 1L;

        public void actionPerformed(ActionEvent e) {
            findNext(jTextField.getText(), jCheckBox.isSelected());
        }

    };

    this.getInputMap().put(KeyStroke.getKeyStroke("F3"), "FindNext");
    this.getActionMap().put("FindNext", aa);
    getJTextField().getInputMap().put(KeyStroke.getKeyStroke("F3"),
            "FindNext");
    getJTextField().getActionMap().put("FindNext", aa);
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
public void makeMenuItem(JFrame frame, JMenu menu) {
    if ("-".equals(name)) {
        menu.addSeparator();
        return;
    }
    
    JMenuItem menuItem = new JMenuItem(com.myster.util.I18n.tr(name));
    if (shortcut != -1) {
        int shiftMask = useShift ? InputEvent.SHIFT_DOWN_MASK : 0;
        menuItem.setAccelerator(KeyStroke.getKeyStroke(shortcut, InputEvent.CTRL_DOWN_MASK|shiftMask));
    }

    if (action != null) {
        menuItem.addActionListener(action);
    }

    menuItem.setEnabled(!isDisabled);

    menu.add(menuItem);
    return;
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
/**
 * If the argument GamePiece contains a Layer whose "activate" command matches
 * the given keystroke, and whose active status matches the boolean argument,
 * return that Layer
 */
public static Embellishment getLayerWithMatchingActivateCommand(GamePiece piece, KeyStroke stroke, boolean active) {
  for (Embellishment layer = (Embellishment) Decorator.getDecorator(piece, Embellishment.class); layer != null; layer = (Embellishment) Decorator
      .getDecorator(layer.piece, Embellishment.class)) {
    for (int i = 0; i < layer.activateKey.length(); ++i) {
      if (stroke.equals(KeyStroke.getKeyStroke(layer.activateKey.charAt(i), layer.activateModifiers))) {
        if (active && layer.isActive()) {
          return layer;
        }
        else if (!active && !layer.isActive()) {
          return layer;
        }
        break;
      }
    }
  }
  return null;
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
@Override
public Obscurable getHiddenDecorator() throws IOException {
  Obscurable p;
  SequenceEncoder se = new SequenceEncoder(';');
  se.append(new NamedKeyStroke(KeyStroke.getKeyStroke('H', InputEvent.CTRL_MASK))); // key command
  se.append(getHiddenSymbol().getFileName()); // hide image
  se.append("Hide Piece"); // menu name
  BufferedImage image = getSymbol().getImage();
  se.append("G" + getFlagLayer(new Dimension(image.getWidth(), image.getHeight()), StateFlag.MARKER)); // display style
  se.append(getHiddenName()); // mask name
  if (getOwner() == Player.NO_PLAYERS || getOwner() == Player.ALL_PLAYERS) {
    se.append("side:");
  }
  else {
    se.append("sides:" + getOwner().getName()); // owning player
  }
  p = new Obscurable();
  p.mySetType(Obscurable.ID + se.getValue());
  return p;
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
private void configureMenuItem(JMenuItem item, String resource, ActionListener listener) {
    configureAbstractButton(item, resource);
    item.addActionListener(listener);
    try {
        String accel = resources.getString(resource + ".accel");
        String metaPrefix = "@";
        if (accel.startsWith(metaPrefix)) {
            int menuMask = getToolkit().getMenuShortcutKeyMask();
            KeyStroke key = KeyStroke.getKeyStroke(
                    KeyStroke.getKeyStroke(accel.substring(metaPrefix.length())).getKeyCode(), menuMask);
            item.setAccelerator(key);
        } else {
            item.setAccelerator(KeyStroke.getKeyStroke(accel));
        }
    } catch (MissingResourceException ex) {
        // no accelerator
    }
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
public GlazeToggleMenuItem(final FlagFrame frame) {
	setText("Glaze");
	if (!OSUtils.isMacOS()) setMnemonic(KeyEvent.VK_G);
	setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_BACK_SLASH, 0));
	if (frame == null) {
		setEnabled(false);
	} else {
		addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent event) {
				boolean g = !frame.isGlazed();
				frame.setGlaze(g);
				setSelected(g);
			}
		});
	}
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
@Override
public void afterLoad(Map<Collection<KeyStroke>, MultiKeyBinding> map, MimePath mimePath, String profile, boolean defaults) {
    Map<String, MacroDescription> macros = new HashMap<String, MacroDescription>();
    if (!collectMacroActions(mimePath, macros)) {
        return;
    }
    
    for(MacroDescription macro : macros.values()) {
        List<? extends MultiKeyBinding> shortcuts = macro.getShortcuts();
        for(MultiKeyBinding shortcut : shortcuts) {
            Collection<KeyStroke> keys = shortcut.getKeyStrokeList();

            // A macro shortcut never replaces shortcuts for ordinary editor actions
            if (!map.containsKey(keys)) {
                map.put(keys, shortcut);
                if (LOG.isLoggable(Level.FINE)) {
                    LOG.fine("afterLoad: injecting " + keys + " for macro '" //NOI18N
                        + macro.getName() + "'; mimePath='" + mimePath.getPath() + "'"); //NOI18N
                }
            } else {
                LOG.warning("Shortcut " + keys + " is bound to '" + map.get(keys).getActionName() //NOI18N
                    + "' for '" + mimePath.getPath() + "' and will not be assigned to '" + macro.getName() + "' macro!"); //NOI18N
            }
        }
    }
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
private void showPopup() {
    hidePopup();
    if (completionListModel.getSize() == 0) {
        return;
    }
    // figure out where the text field is,
    // and where its bottom left is
    java.awt.Point los = field.getLocationOnScreen();
    int popX = los.x;
    int popY = los.y + field.getHeight();
    popup = PopupFactory.getSharedInstance().getPopup(field, listScroller, popX, popY);
    field.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),ACTION_HIDEPOPUP);
    field.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0),ACTION_FILLIN);
    popup.show();
    if (completionList.getSelectedIndex() != -1) {
        completionList.ensureIndexIsVisible(completionList.getSelectedIndex());
    }
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
Object findActionKey(JTextComponent component) {
    KeyStroke keyStroke;
    switch (actionType) {
        case TAB:
            keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0);
            break;
        case SHIFT_TAB:
            keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_TAB, KeyEvent.SHIFT_MASK);
            break;
        case ENTER:
            keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
            break;
        default:
            throw new IllegalArgumentException();
    }
    // Assume the 'a' character will trigger defaultKeyTypedAction
    Object key = component.getInputMap().get(keyStroke);
    return key;
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
public static String appendKeyMnemonic(StringBuilder sb, KeyStroke key) {
    String sk = org.openide.util.Utilities.keyToString(key);
    int mods = key.getModifiers();
    if ((mods & KeyEvent.CTRL_MASK) != 0) {
        sb.append("Ctrl+"); // NOI18N
    }
    if ((mods & KeyEvent.ALT_MASK) != 0) {
        sb.append("Alt+"); // NOI18N
    }
    if ((mods & KeyEvent.SHIFT_MASK) != 0) {
        sb.append("Shift+"); // NOI18N
    }
    if ((mods & KeyEvent.META_MASK) != 0) {
        sb.append("Meta+"); // NOI18N
    }

    int i = sk.indexOf('-'); //NOI18N
    if (i != -1) {
        sk = sk.substring(i + 1);
    }
    sb.append(sk);

    return sb.toString();
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
public DynamicProperty getDynamicPropertyDecorator() {
  SequenceEncoder type = new SequenceEncoder(';');
  type.append("Layer");
  SequenceEncoder constraints = new SequenceEncoder(',');
  constraints.append(true).append(0).append(1).append(true);
  type.append(constraints.getValue());
  SequenceEncoder command = new SequenceEncoder(':');
  KeyStroke stroke = KeyStroke.getKeyStroke('=', InputEvent.SHIFT_DOWN_MASK);
  SequenceEncoder change = new SequenceEncoder(',');
  change.append('I').append(1);
  command.append("Draw on top").append(stroke.getKeyCode() + "," + stroke.getModifiers()).append(change.getValue());
  type.append(new SequenceEncoder(command.getValue(), ',').getValue());
  DynamicProperty dp = new DynamicProperty();
  dp.mySetType(DynamicProperty.ID + type.getValue());
  return dp;
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
/** Creates new model dialog ClassChooserDialog.
     * @param parent parent Frame
     @param subclassOf a Class that will be used to search the classpath for sublasses of this class; these class names are displayed on the left.
     @param classNames a list of class names that are already chosen, displayed on the right.
     @param defaultClassNames the defaults passed to ClassChooserPanel which replace the chosen list if the Defaults button is pressed.
     */
    public ClassChooserDialog(Frame parent, Class subclassOf, ArrayList<String> classNames, ArrayList<String> defaultClassNames) {
        super(parent, true);
        initComponents();
//        cancelButton.requestFocusInWindow();
        chooserPanel=new ClassChooserPanel(subclassOf,classNames,defaultClassNames);
        businessPanel.add(chooserPanel,BorderLayout.CENTER);
        pack();
        //  Handle escape key to close the dialog
        // from http://forum.java.sun.com/thread.jspa?threadID=462776&messageID=2123119
        
        KeyStroke escape = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0, false);
        Action escapeAction = new AbstractAction() {
            @Override public void actionPerformed(ActionEvent e) {
                dispose();
            }
        };
        getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(escape, "ESCAPE");
        getRootPane().getActionMap().put("ESCAPE", escapeAction);
    }
 

import javax.swing.KeyStroke; //導入依賴的package包/類
private void recreateStateMenu(JMenu menu, ArrayList<CircuitStateMenuItem> items, int code) {
	menu.removeAll();
	menu.setEnabled(items.size() > 0);
	boolean first = true;
	int mask = getToolkit().getMenuShortcutKeyMask();
	for (int i = items.size() - 1; i >= 0; i--) {
		JMenuItem item = items.get(i);
		menu.add(item);
		if (first) {
			item.setAccelerator(KeyStroke.getKeyStroke(code, mask));
			first = false;
		} else {
			item.setAccelerator(null);
		}
	}
}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
/**
 * Sets the properties of one of the actions this text area owns.
 *
 * @param action The action to modify; for example, {@link #CUT_ACTION}.
 * @param name The new name for the action.
 * @param mnemonic The new mnemonic for the action.
 * @param accelerator The new accelerator key for the action.
 */
public static void setActionProperties(int action, String name,
						Integer mnemonic, KeyStroke accelerator) {

	Action tempAction = null;

	switch (action) {
		case CUT_ACTION:
			tempAction = cutAction;
			break;
		case COPY_ACTION:
			tempAction = copyAction;
			break;
		case PASTE_ACTION:
			tempAction = pasteAction;
			break;
		case DELETE_ACTION:
			tempAction = deleteAction;
			break;
		case SELECT_ALL_ACTION:
			tempAction = selectAllAction;
			break;
		case UNDO_ACTION:
		case REDO_ACTION:
		default:
			return;
	}

	tempAction.putValue(Action.NAME, name);
	tempAction.putValue(Action.SHORT_DESCRIPTION, name);
	tempAction.putValue(Action.ACCELERATOR_KEY, accelerator);
	tempAction.putValue(Action.MNEMONIC_KEY, mnemonic);

}
 

import javax.swing.KeyStroke; //導入依賴的package包/類
public UndoAction() {
	super(Local.getString("Undo"));
	setEnabled(false);
	putValue(
		Action.SMALL_ICON,
		new ImageIcon(cl.getResource("resources/icons/undo16.png")));
	putValue(
		Action.ACCELERATOR_KEY,
		KeyStroke.getKeyStroke(KeyEvent.VK_Z, KeyEvent.CTRL_MASK));
}