How to use

getState

method

in

com.ardor3d.input.KeyEvent

private void readKeyboardState() {
  final PeekingIterator<KeyEvent> eventIterator = _keyboardWrapper.getEvents();
  // if no new events, just leave the current state as is
  if (!eventIterator.hasNext()) {
    return;
  }
  final KeyEvent keyEvent = eventIterator.next();
  // EnumSet.copyOf fails if the collection is empty, since it needs at least one object to
  // figure out which type of enum to deal with. Hence the check below.
  final EnumSet<Key> keysDown = _currentKeyboardState.getKeysDown().isEmpty() ? EnumSet.noneOf(Key.class)
      : EnumSet.copyOf(_currentKeyboardState.getKeysDown());
  if (keyEvent.getState() == KeyState.DOWN) {
    keysDown.add(keyEvent.getKey());
  } else {
    // ignore the fact that this removal might fail - for instance, at startup, the
    // set of keys tracked as down will be empty even if somebody presses a key when the
    // app starts.
    keysDown.remove(keyEvent.getKey());
  }
  _currentKeyboardState = new KeyboardState(keysDown, keyEvent);
}

private void readKeyboardState() {
  final PeekingIterator<KeyEvent> eventIterator = _keyboardWrapper.getEvents();
  // if no new events, just leave the current state as is
  if (!eventIterator.hasNext()) {
    return;
  }
  final KeyEvent keyEvent = eventIterator.next();
  // EnumSet.copyOf fails if the collection is empty, since it needs at least one object to
  // figure out which type of enum to deal with. Hence the check below.
  final EnumSet<Key> keysDown = _currentKeyboardState.getKeysDown().isEmpty() ? EnumSet.noneOf(Key.class)
      : EnumSet.copyOf(_currentKeyboardState.getKeysDown());
  if (keyEvent.getState() == KeyState.DOWN) {
    keysDown.add(keyEvent.getKey());
  } else {
    // ignore the fact that this removal might fail - for instance, at startup, the
    // set of keys tracked as down will be empty even if somebody presses a key when the
    // app starts.
    keysDown.remove(keyEvent.getKey());
  }
  _currentKeyboardState = new KeyboardState(keysDown, keyEvent);
}

@Test
public void testKeys2() throws Exception {
  e1.keyCode = 'a';
  e2.keyCode = 'b';
  kw.keyPressed(e1);
  kw.keyPressed(e2);
  final Iterator<KeyEvent> events = kw.getEvents();
  final KeyEvent event1 = events.next();
  final KeyEvent event2 = events.next();
  final KeyEvent event3 = events.next();
  assertFalse("no more", events.hasNext());
  assertFalse("no more", kw.getEvents().hasNext());
  assertEquals("key a", Key.A, event1.getKey());
  assertEquals("down", KeyState.DOWN, event1.getState());
  assertEquals("key a", Key.A, event2.getKey());
  assertEquals("up", KeyState.UP, event2.getState());
  assertEquals("key b", Key.B, event3.getKey());
  assertEquals("down", KeyState.DOWN, event3.getState());
}

@Test
public void testKeys1() throws Exception {
  e1.keyCode = 'a';
  kw.keyPressed(e1);
  kw.keyReleased(e1);
  final Iterator<KeyEvent> events = kw.getEvents();
  final KeyEvent event1 = events.next();
  final KeyEvent event2 = events.next();
  assertFalse("no more", events.hasNext());
  assertFalse("no more", kw.getEvents().hasNext());
  assertEquals("key a", Key.A, event1.getKey());
  assertEquals("down", KeyState.DOWN, event1.getState());
  assertEquals("key a", Key.A, event2.getKey());
  assertEquals("up", KeyState.UP, event2.getState());
}

@Test
public void testKeys1() throws Exception {
  e1 = new java.awt.event.KeyEvent(control, 0, 0, 0, AwtKey.A.getAwtCode(), 'a');
  kw.keyPressed(e1);
  kw.keyReleased(e1);
  final Iterator<KeyEvent> events = kw.getEvents();
  final KeyEvent event1 = events.next();
  final KeyEvent event2 = events.next();
  assertFalse("no more", events.hasNext());
  assertFalse("no more", kw.getEvents().hasNext());
  assertEquals("key a", Key.A, event1.getKey());
  assertEquals("down", KeyState.DOWN, event1.getState());
  assertEquals("key a", Key.A, event2.getKey());
  assertEquals("up", KeyState.UP, event2.getState());
}

@Test
public void testKeysRepeat() throws Exception {
  e1.keyCode = 'a';
  kw.keyPressed(e1);
  kw.keyPressed(e1);
  final Iterator<KeyEvent> events = kw.getEvents();
  final KeyEvent event1 = events.next();
  assertFalse("no more", events.hasNext());
  assertFalse("no more", kw.getEvents().hasNext());
  assertEquals("key a", Key.A, event1.getKey());
  assertEquals("down", KeyState.DOWN, event1.getState());
}

@Test
public void testKeys2() throws Exception {
  e1 = new java.awt.event.KeyEvent(control, 0, 0, 0, AwtKey.A.getAwtCode(), 'a');
  e2 = new java.awt.event.KeyEvent(control, 0, 0, 0, AwtKey.B.getAwtCode(), 'b');
  kw.keyPressed(e1);
  kw.keyPressed(e2);
  final Iterator<KeyEvent> events = kw.getEvents();
  final KeyEvent event1 = events.next();
  final KeyEvent event2 = events.next();
  assertFalse("no more", events.hasNext());
  assertFalse("no more", kw.getEvents().hasNext());
  assertEquals("key a", Key.A, event1.getKey());
  assertEquals("down", KeyState.DOWN, event1.getState());
  assertEquals("key b", Key.B, event2.getKey());
  assertEquals("down", KeyState.DOWN, event2.getState());
}