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.swing;
27
28 import javax.swing.JComponent;
29 import java.awt.Cursor;
30
31 /**
32 * The interface by means of which the {@link JLightweightFrame} class
33 * communicates to its client application.
34 * <p>
35 * The client application implements this interface so it can response
36 * to requests and process notifications from {@code JLightweightFrame}.
37 * An implementation of this interface is associated with a {@code
38 * JLightweightFrame} instance via the {@link JLightweightFrame#setContent}
39 * method.
40 *
41 * A hierarchy of components contained in the {@code JComponent} instance
42 * returned by the {@link #getComponent} method should not contain any
43 * heavyweight components, otherwise {@code JLightweightFrame} may fail
44 * to paint it.
45 *
46 * @author Artem Ananiev
47 * @author Anton Tarasov
48 * @author Jim Graham
49 */
192 public void preferredSizeChanged(int width, int height);
193
194 /**
195 * {@code JLightweightFrame} calls this method to notify the client
196 * application that the content maximum size has changed.
197 */
198 public void maximumSizeChanged(int width, int height);
199
200 /**
201 * {@code JLightweightFrame} calls this method to notify the client
202 * application that the content minimum size has changed.
203 */
204 public void minimumSizeChanged(int width, int height);
205
206 /**
207 * {@code JLightweightFrame} calls this method to notify the client
208 * application that in needs to set a cursor
209 * @param cursor a cursor to set
210 */
211 default public void setCursor(Cursor cursor) { }
212 }
|
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.swing;
27
28 import javax.swing.JComponent;
29 import java.awt.Component;
30 import java.awt.Cursor;
31 import java.awt.dnd.DragGestureEvent;
32 import java.awt.dnd.DragGestureListener;
33 import java.awt.dnd.DragGestureRecognizer;
34 import java.awt.dnd.DragSource;
35 import java.awt.dnd.DropTarget;
36 import java.awt.dnd.InvalidDnDOperationException;
37 import java.awt.dnd.peer.DragSourceContextPeer;
38
39 /**
40 * The interface by means of which the {@link JLightweightFrame} class
41 * communicates to its client application.
42 * <p>
43 * The client application implements this interface so it can response
44 * to requests and process notifications from {@code JLightweightFrame}.
45 * An implementation of this interface is associated with a {@code
46 * JLightweightFrame} instance via the {@link JLightweightFrame#setContent}
47 * method.
48 *
49 * A hierarchy of components contained in the {@code JComponent} instance
50 * returned by the {@link #getComponent} method should not contain any
51 * heavyweight components, otherwise {@code JLightweightFrame} may fail
52 * to paint it.
53 *
54 * @author Artem Ananiev
55 * @author Anton Tarasov
56 * @author Jim Graham
57 */
200 public void preferredSizeChanged(int width, int height);
201
202 /**
203 * {@code JLightweightFrame} calls this method to notify the client
204 * application that the content maximum size has changed.
205 */
206 public void maximumSizeChanged(int width, int height);
207
208 /**
209 * {@code JLightweightFrame} calls this method to notify the client
210 * application that the content minimum size has changed.
211 */
212 public void minimumSizeChanged(int width, int height);
213
214 /**
215 * {@code JLightweightFrame} calls this method to notify the client
216 * application that in needs to set a cursor
217 * @param cursor a cursor to set
218 */
219 default public void setCursor(Cursor cursor) { }
220
221 /**
222 * Create a drag gesture recognizer for the lightweight frame.
223 */
224 default public <T extends DragGestureRecognizer> T createDragGestureRecognizer(
225 Class<T> abstractRecognizerClass,
226 DragSource ds, Component c, int srcActions,
227 DragGestureListener dgl)
228 {
229 return null;
230 }
231
232 /**
233 * Create a drag source context peer for the lightweight frame.
234 */
235 default public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException
236 {
237 return null;
238 }
239
240 /**
241 * Adds a drop target to the lightweight frame.
242 */
243 default public void addDropTarget(DropTarget dt) {}
244
245 /**
246 * Removes a drop target from the lightweight frame.
247 */
248 default public void removeDropTarget(DropTarget dt) {}
249 }
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