1 /*
2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
368 /**
369 * Returns a control object from this input method, or null. A
370 * control object provides methods that control the behavior of the
371 * input method or obtain information from the input method. The type
372 * of the object is an input method specific class. Clients have to
373 * compare the result against known input method control object
374 * classes and cast to the appropriate class to invoke the methods
375 * provided.
376 * <p>
377 * This method is called by
378 * {@link java.awt.im.InputContext#getInputMethodControlObject InputContext.getInputMethodControlObject}.
379 *
380 * @return a control object from this input method, or null
381 */
382 public Object getControlObject() {
383 return null;
384 }
385
386 // java.awt.Toolkit#getNativeContainer() is not available
387 // from this package
388 private LWComponentPeer<?, ?> getNearestNativePeer(Component comp) {
389 if (comp==null)
390 return null;
391
392 ComponentPeer peer = comp.getPeer();
393 if (peer==null)
394 return null;
395
396 while (peer instanceof java.awt.peer.LightweightPeer) {
397 comp = comp.getParent();
398 if (comp==null)
399 return null;
400 peer = comp.getPeer();
401 if (peer==null)
402 return null;
403 }
404
405 if (peer instanceof LWComponentPeer)
406 return (LWComponentPeer)peer;
407
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1 /*
2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
368 /**
369 * Returns a control object from this input method, or null. A
370 * control object provides methods that control the behavior of the
371 * input method or obtain information from the input method. The type
372 * of the object is an input method specific class. Clients have to
373 * compare the result against known input method control object
374 * classes and cast to the appropriate class to invoke the methods
375 * provided.
376 * <p>
377 * This method is called by
378 * {@link java.awt.im.InputContext#getInputMethodControlObject InputContext.getInputMethodControlObject}.
379 *
380 * @return a control object from this input method, or null
381 */
382 public Object getControlObject() {
383 return null;
384 }
385
386 // java.awt.Toolkit#getNativeContainer() is not available
387 // from this package
388 @SuppressWarnings("deprecation")
389 private LWComponentPeer<?, ?> getNearestNativePeer(Component comp) {
390 if (comp==null)
391 return null;
392
393 ComponentPeer peer = comp.getPeer();
394 if (peer==null)
395 return null;
396
397 while (peer instanceof java.awt.peer.LightweightPeer) {
398 comp = comp.getParent();
399 if (comp==null)
400 return null;
401 peer = comp.getPeer();
402 if (peer==null)
403 return null;
404 }
405
406 if (peer instanceof LWComponentPeer)
407 return (LWComponentPeer)peer;
408
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