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
23 * questions.
24 */
25
26 package sun.awt;
27
28 import java.awt.Container;
29 import java.awt.Frame;
30 import java.awt.Graphics;
31 import java.awt.Image;
32 import java.awt.MenuBar;
33 import java.awt.MenuComponent;
34 import java.awt.Rectangle;
35 import java.awt.Toolkit;
36 import java.awt.peer.FramePeer;
37
38 /**
39 * The class provides basic functionality for a lightweight frame
40 * implementation. A subclass is expected to provide painting to an
41 * offscreen image and access to it. Thus it can be used for lightweight
42 * embedding.
43 *
44 * @author Artem Ananiev
45 * @author Anton Tarasov
46 */
47 @SuppressWarnings("serial")
48 public abstract class LightweightFrame extends Frame {
49
50 /**
51 * Constructs a new, initially invisible {@code LightweightFrame}
52 * instance.
53 */
54 public LightweightFrame() {
55 setUndecorated(true);
152 * @return the host window bounds
153 */
154 public Rectangle getHostBounds() {
155 if (hostX == 0 && hostY == 0 && hostW == 0 && hostH == 0) {
156 // The client app is probably unaware of the setHostBounds.
157 // A safe fall-back:
158 return getBounds();
159 }
160 return new Rectangle(hostX, hostY, hostW, hostH);
161 }
162
163 /**
164 * Sets the absolute bounds of the host (embedding) window.
165 */
166 public void setHostBounds(int x, int y, int w, int h) {
167 hostX = x;
168 hostY = y;
169 hostW = w;
170 hostH = h;
171 }
172 }
|
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
23 * questions.
24 */
25
26 package sun.awt;
27
28 import java.awt.Component;
29 import java.awt.Container;
30 import java.awt.Frame;
31 import java.awt.Graphics;
32 import java.awt.Image;
33 import java.awt.MenuBar;
34 import java.awt.MenuComponent;
35 import java.awt.Rectangle;
36 import java.awt.Toolkit;
37 import java.awt.dnd.DragGestureEvent;
38 import java.awt.dnd.DragGestureListener;
39 import java.awt.dnd.DragGestureRecognizer;
40 import java.awt.dnd.DragSource;
41 import java.awt.dnd.DropTarget;
42 import java.awt.dnd.InvalidDnDOperationException;
43 import java.awt.dnd.peer.DragSourceContextPeer;
44 import java.awt.peer.FramePeer;
45
46 /**
47 * The class provides basic functionality for a lightweight frame
48 * implementation. A subclass is expected to provide painting to an
49 * offscreen image and access to it. Thus it can be used for lightweight
50 * embedding.
51 *
52 * @author Artem Ananiev
53 * @author Anton Tarasov
54 */
55 @SuppressWarnings("serial")
56 public abstract class LightweightFrame extends Frame {
57
58 /**
59 * Constructs a new, initially invisible {@code LightweightFrame}
60 * instance.
61 */
62 public LightweightFrame() {
63 setUndecorated(true);
160 * @return the host window bounds
161 */
162 public Rectangle getHostBounds() {
163 if (hostX == 0 && hostY == 0 && hostW == 0 && hostH == 0) {
164 // The client app is probably unaware of the setHostBounds.
165 // A safe fall-back:
166 return getBounds();
167 }
168 return new Rectangle(hostX, hostY, hostW, hostH);
169 }
170
171 /**
172 * Sets the absolute bounds of the host (embedding) window.
173 */
174 public void setHostBounds(int x, int y, int w, int h) {
175 hostX = x;
176 hostY = y;
177 hostW = w;
178 hostH = h;
179 }
180
181 /**
182 * Create a drag gesture recognizer for the lightweight frame.
183 */
184 public abstract <T extends DragGestureRecognizer> T createDragGestureRecognizer(
185 Class<T> abstractRecognizerClass,
186 DragSource ds, Component c, int srcActions,
187 DragGestureListener dgl);
188
189 /**
190 * Create a drag source context peer for the lightweight frame.
191 */
192 public abstract DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException;
193
194 /**
195 * Adds a drop target to the lightweight frame.
196 */
197 public abstract void addDropTarget(DropTarget dt);
198
199 /**
200 * Removes a drop target from the lightweight frame.
201 */
202 public abstract void removeDropTarget(DropTarget dt);
203 }
|