Example usage for java.awt.event KeyEvent KEY

Introduction

In this page you can find the example usage for java.awt.event KeyEvent KEY_TYPED.

Prototype

int KEY_TYPED

To view the source code for java.awt.event KeyEvent KEY_TYPED.

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Document

The "key typed" event.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {

    KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(new KeyEventDispatcher() {
        public boolean dispatchKeyEvent(KeyEvent e) {
            if (e.getID() == KeyEvent.KEY_TYPED) {
                e.setKeyChar('a');
            }/*from   w ww  .  java  2s  . c  om*/
            boolean discardEvent = false;
            return discardEvent;
        }
    });
}

From source file:Main.java

public static void main(String[] args) {
    JFrame aWindow = new JFrame();

    aWindow.setBounds(50, 100, 300, 300);
    aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextField typingArea = new JTextField(20);
    typingArea.addKeyListener(new KeyListener() {
        /** Handle the key typed event from the text field. */
        public void keyTyped(KeyEvent e) {
            displayInfo(e, "KEY TYPED: ");
        }/*w w w  .  j  av  a  2s .  c om*/

        /** Handle the key pressed event from the text field. */
        public void keyPressed(KeyEvent e) {
            displayInfo(e, "KEY PRESSED: ");
        }

        /** Handle the key released event from the text field. */
        public void keyReleased(KeyEvent e) {
            displayInfo(e, "KEY RELEASED: ");
        }

        protected void displayInfo(KeyEvent e, String s) {
            String keyString, modString, tmpString, actionString, locationString;
            int id = e.getID();
            if (id == KeyEvent.KEY_TYPED) {
                char c = e.getKeyChar();
                keyString = "key character = '" + c + "'";
            } else {
                int keyCode = e.getKeyCode();
                keyString = "key code = " + keyCode + " (" + KeyEvent.getKeyText(keyCode) + ")";
            }

            int modifiers = e.getModifiersEx();
            modString = "modifiers = " + modifiers;
            tmpString = KeyEvent.getModifiersExText(modifiers);
            if (tmpString.length() > 0) {
                modString += " (" + tmpString + ")";
            } else {
                modString += " (no modifiers)";
            }

            actionString = "action key? ";
            if (e.isActionKey()) {
                actionString += "YES";
            } else {
                actionString += "NO";
            }

            locationString = "key location: ";
            int location = e.getKeyLocation();
            if (location == KeyEvent.KEY_LOCATION_STANDARD) {
                locationString += "standard";
            } else if (location == KeyEvent.KEY_LOCATION_LEFT) {
                locationString += "left";
            } else if (location == KeyEvent.KEY_LOCATION_RIGHT) {
                locationString += "right";
            } else if (location == KeyEvent.KEY_LOCATION_NUMPAD) {
                locationString += "numpad";
            } else { // (location == KeyEvent.KEY_LOCATION_UNKNOWN)
                locationString += "unknown";
            }

            System.out.println(keyString);
            System.out.println(modString);
            System.out.println(actionString);
            System.out.println(locationString);
        }

    });
    aWindow.add(typingArea);
    aWindow.setVisible(true);
}

From source file:Main.java

public static void checkKeyEventId(int id) {
    if (id != KeyEvent.KEY_TYPED && id != KeyEvent.KEY_PRESSED && id != KeyEvent.KEY_RELEASED) {
        throw new IllegalArgumentException("Invalid key event id");
    }/*from w  w w .j a v  a 2  s  . c o  m*/
}

From source file:Main.java

/**
 * Serializes a Keystrike to a String./*www.j  a  va 2s  . com*/
 * It can then be fed into KeyStroke.getKeyStroke(String).
 *
 * See: http://www.exampledepot.com/egs/javax.swing/Key2Str.html
 */
public static String keyStroke2String(KeyStroke key) {
    StringBuffer s = new StringBuffer(50);
    int m = key.getModifiers();

    if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
        s.append("shift ");
    }
    if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
        s.append("ctrl ");
    }
    if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
        s.append("meta ");
    }
    if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
        s.append("alt ");
    }
    if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
        s.append("button1 ");
    }
    if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
        s.append("button2 ");
    }
    if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
        s.append("button3 ");
    }

    switch (key.getKeyEventType()) {
    case KeyEvent.KEY_TYPED:
        if (key.getKeyChar() == Character.MAX_VALUE) {
            s.append("unknown-typed-key ");
            break;
        }
        s.append("typed ").append(key.getKeyChar()).append(" ");
        break;
    case KeyEvent.KEY_PRESSED:
        s.append("pressed ").append(getKeyText(key.getKeyCode())).append(" ");
        break;
    case KeyEvent.KEY_RELEASED:
        s.append("released ").append(getKeyText(key.getKeyCode())).append(" ");
        break;
    default:
        s.append("unknown-event-type ");
        break;
    }

    return s.toString();
}

From source file:Main.java

/**
 * install focus forward and backward// w  ww  . j  a  v  a 2  s.com
 */
public static void installDefaultFocusHandling(Container c) {
    // focus TAB
    HashSet<KeyStroke> set = new HashSet<KeyStroke>(1);
    set.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0));
    c.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);

    // focus shift-TAB
    set = new HashSet<KeyStroke>(1);
    set.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, InputEvent.SHIFT_MASK));
    c.setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, set);

    // make input map WHEN_FOCUSED non-empty for Focus Traversal policy to work
    // correctly
    if (c instanceof JComponent) {
        JComponent jc = (JComponent) c;
        InputMap inputMapWhenFocused = jc.getInputMap(JComponent.WHEN_FOCUSED);
        if (inputMapWhenFocused.size() == 0) {
            inputMapWhenFocused.put(KeyStroke.getKeyStroke(KeyEvent.VK_STOP, KeyEvent.KEY_TYPED),
                    "swingDummyFocusKey");
        }
    }
}

From source file:SimpleInputMethod.java

public void dispatchEvent(AWTEvent event) {
    if (event.getID() == KeyEvent.KEY_TYPED) {
        KeyEvent e = (KeyEvent) event;
        if (handleCharacter(e.getKeyChar())) {
            e.consume();/*from w  ww .j a  v a  2 s  .c om*/
        }
    }
}

From source file:KeystrokeUtil.java

public static String keyStroke2String(KeyStroke key) {
    if (key == null)
        return "";
    StringBuilder s = new StringBuilder(50);
    int m = key.getModifiers();

    if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
        s.append("Ctrl+");
    }/*from   w w w. ja v  a  2s .com*/
    if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
        s.append("Meta+");
    }
    if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
        s.append("Alt+");
    }
    if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
        s.append("Shift+");
    }
    if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
        s.append("Button1+");
    }
    if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
        s.append("Button2+");
    }
    if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
        s.append("Button3+");
    }

    switch (key.getKeyEventType()) {
    case KeyEvent.KEY_TYPED:
        s.append(key.getKeyChar() + " ");
        break;
    case KeyEvent.KEY_PRESSED:
    case KeyEvent.KEY_RELEASED:
        s.append(getKeyText(key.getKeyCode()) + " ");
        break;
    default:
        s.append("unknown-event-type ");
        break;
    }

    return s.toString();
}

From source file:PassiveTextField.java

public void processComponentKeyEvent(KeyEvent evt) {
    switch (evt.getID()) {
    case KeyEvent.KEY_PRESSED:
    case KeyEvent.KEY_RELEASED:
        if (evt.getKeyCode() == KeyEvent.VK_ENTER) {
            return;
        }//from   w ww.  ja v  a  2  s .c  o m
        break;

    case KeyEvent.KEY_TYPED:
        if (evt.getKeyChar() == '\r') {
            return;
        }
        break;
    }

    super.processComponentKeyEvent(evt);
}

From source file:Main.java

static void keyStroke2String(KeyStroke key) {
    int m = key.getModifiers();

    if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
        System.out.println("shift ");
    }//from  w  w  w.  j  a  v a2  s. c  o m
    if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
        System.out.println("ctrl ");
    }
    if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
        System.out.println("meta ");
    }
    if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
        System.out.println("alt ");
    }
    if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
        System.out.println("button1 ");
    }
    if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
        System.out.println("button2 ");
    }
    if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
        System.out.println("button3 ");
    }
    switch (key.getKeyEventType()) {
    case KeyEvent.KEY_TYPED:
        System.out.println("typed ");
        System.out.println(key.getKeyChar() + " ");
        break;
    case KeyEvent.KEY_PRESSED:
        System.out.println("pressed ");
        System.out.println(getKeyText(key.getKeyCode()) + " ");
        break;
    case KeyEvent.KEY_RELEASED:
        System.out.println("released ");
        System.out.println(getKeyText(key.getKeyCode()) + " ");
        break;
    default:
        System.out.println("unknown-event-type ");
        break;
    }
}

From source file:Main.java

static void keyStroke2String(KeyStroke key) {
    int m = key.getModifiers();

    if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
        System.out.println("shift ");
    }/*  w w w. j av  a 2 s.  co  m*/
    if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
        System.out.println("ctrl ");
    }
    if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
        System.out.println("meta ");
    }
    if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
        System.out.println("alt ");
    }
    if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
        System.out.println("button1 ");
    }
    if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
        System.out.println("button2 ");
    }
    if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
        System.out.println("button3 ");
    }

    switch (key.getKeyEventType()) {
    case KeyEvent.KEY_TYPED:
        System.out.println("typed ");
        System.out.println(key.getKeyChar() + " ");
        break;
    case KeyEvent.KEY_PRESSED:
        System.out.println("pressed ");
        System.out.println(getKeyText(key.getKeyCode()) + " ");
        break;
    case KeyEvent.KEY_RELEASED:
        System.out.println("released ");
        System.out.println(getKeyText(key.getKeyCode()) + " ");
        break;
    default:
        System.out.println("unknown-event-type ");
        break;
    }
}

Example usage for java.awt.event KeyEvent KEY_TYPED

Introduction

Prototype

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Usage