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package org.apache.batik.gvt.event;

import org.apache.batik.gvt.GraphicsNode;

An event which indicates that a keystroke occurred in a graphics node.
Author:Thierry Kormann
Version:$Id: GraphicsNodeKeyEvent.java 1733416 2016-03-03 07:07:13Z gadams $
/** * An event which indicates that a keystroke occurred in a graphics node. * * @author <a href="mailto:Thierry.Kormann@sophia.inria.fr">Thierry Kormann</a> * @version $Id: GraphicsNodeKeyEvent.java 1733416 2016-03-03 07:07:13Z gadams $ */
public class GraphicsNodeKeyEvent extends GraphicsNodeInputEvent { static final int KEY_FIRST = 400;
The "key typed" event. This event is generated when a character is entered. In the simplest case, it is produced by a single key press. Often, however, characters are produced by series of key presses, and the mapping from key pressed events to key typed events may be many-to-one or many-to-many.
/** * The "key typed" event. This event is generated when a character is * entered. In the simplest case, it is produced by a single key press. * Often, however, characters are produced by series of key presses, and * the mapping from key pressed events to key typed events may be * many-to-one or many-to-many. */
public static final int KEY_TYPED = KEY_FIRST;
The "key pressed" event. This event is generated when a key is pushed down.
/** * The "key pressed" event. This event is generated when a key * is pushed down. */
public static final int KEY_PRESSED = 1 + KEY_FIRST;
The "key released" event. This event is generated when a key is let up.
/** * The "key released" event. This event is generated when a key * is let up. */
public static final int KEY_RELEASED = 2 + KEY_FIRST;
The unique value assigned to each of the keys on the keyboard. There is a common set of key codes that can be fired by most keyboards. The symbolic name for a key code should be used rather than the code value itself.
/** * The unique value assigned to each of the keys on the * keyboard. There is a common set of key codes that * can be fired by most keyboards. * The symbolic name for a key code should be used rather * than the code value itself. */
protected int keyCode;
keyChar is a valid unicode character that is fired by a key or a key combination on a keyboard.
/** * <code>keyChar</code> is a valid unicode character * that is fired by a key or a key combination on * a keyboard. */
protected char keyChar;
The key location.
/** * The key location. */
protected int keyLocation;
Constructs a new graphics node key event.
Params:
  • source – the graphics node where the event originated
  • id – the id of this event
  • when – the time the event occurred
  • modifiers – the modifier keys down while event occurred
  • lockState – bitmask indicating which key locks were activated
  • keyCode – the Java key code
  • keyChar – the generated character
  • keyLocation – the location of the key
/** * Constructs a new graphics node key event. * @param source the graphics node where the event originated * @param id the id of this event * @param when the time the event occurred * @param modifiers the modifier keys down while event occurred * @param lockState bitmask indicating which key locks were activated * @param keyCode the Java key code * @param keyChar the generated character * @param keyLocation the location of the key */
public GraphicsNodeKeyEvent(GraphicsNode source, int id, long when, int modifiers, int lockState, int keyCode, char keyChar, int keyLocation) { super(source, id, when, modifiers, lockState); this.keyCode = keyCode; this.keyChar = keyChar; this.keyLocation = keyLocation; }
Return the integer code for the physical key pressed. Not localized.
/** * Return the integer code for the physical key pressed. Not localized. */
public int getKeyCode() { return keyCode; }
Return a character corresponding to physical key pressed. May be localized.
/** * Return a character corresponding to physical key pressed. * May be localized. */
public char getKeyChar() { return keyChar; }
Returns the key location.
/** * Returns the key location. */
public int getKeyLocation() { return keyLocation; } }