1 /*
2 * Copyright (c) 2010, 2017, 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
277 }
278 }
279
280 protected abstract long _createChildWindow(long parent);
281 /**
282 * Constructs a child window of the specified native parent window.
283 */
284 protected Window(long parent) {
285 Application.checkEventThread();
286 this.owner = null;
287 this.parent = parent;
288 this.styleMask = Window.UNTITLED;
289 this.isDecorated = false;
290
291 // Note: we can't always catch screen changes when parent is moved...
292 this.screen = null; // should infer from the parent
293
294 this.ptr = _createChildWindow(parent);
295 if (this.ptr == 0L) {
296 throw new RuntimeException("could not create platform window");
297 }
298 }
299
300 public boolean isClosed() {
301 Application.checkEventThread();
302 return this.ptr == 0L;
303 }
304
305 private void checkNotClosed() {
306 if (this.ptr == 0L) {
307 throw new IllegalStateException("The window has already been closed");
308 }
309 }
310
311 protected abstract boolean _close(long ptr);
312 public void close() {
313 Application.checkEventThread();
314 if (this.view != null) {
315 if (this.ptr != 0L) {
316 _setView(this.ptr, null);
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1 /*
2 * Copyright (c) 2010, 2018, 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
277 }
278 }
279
280 protected abstract long _createChildWindow(long parent);
281 /**
282 * Constructs a child window of the specified native parent window.
283 */
284 protected Window(long parent) {
285 Application.checkEventThread();
286 this.owner = null;
287 this.parent = parent;
288 this.styleMask = Window.UNTITLED;
289 this.isDecorated = false;
290
291 // Note: we can't always catch screen changes when parent is moved...
292 this.screen = null; // should infer from the parent
293
294 this.ptr = _createChildWindow(parent);
295 if (this.ptr == 0L) {
296 throw new RuntimeException("could not create platform window");
297 }
298 if (screen == null) {
299 screen = Screen.getMainScreen(); // start with a default
300 }
301 }
302
303 public boolean isClosed() {
304 Application.checkEventThread();
305 return this.ptr == 0L;
306 }
307
308 private void checkNotClosed() {
309 if (this.ptr == 0L) {
310 throw new IllegalStateException("The window has already been closed");
311 }
312 }
313
314 protected abstract boolean _close(long ptr);
315 public void close() {
316 Application.checkEventThread();
317 if (this.view != null) {
318 if (this.ptr != 0L) {
319 _setView(this.ptr, null);
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