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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/awt/dnd/DragSourceListener.java | |
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Diffstat (limited to 'libjava/classpath/java/awt/dnd/DragSourceListener.java')
-rw-r--r-- | libjava/classpath/java/awt/dnd/DragSourceListener.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/libjava/classpath/java/awt/dnd/DragSourceListener.java b/libjava/classpath/java/awt/dnd/DragSourceListener.java new file mode 100644 index 000000000..aac6e94eb --- /dev/null +++ b/libjava/classpath/java/awt/dnd/DragSourceListener.java @@ -0,0 +1,97 @@ +/* DragSourceListener.java -- listen to events during the drag + Copyright (C) 2002, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.awt.dnd; + +import java.util.EventListener; + +/** + * This class allows an object to listen for drag and drop events. It can + * be used to provide appropriate feedback for "drag over" actions. You can + * also use a <code>DragSourceAdapter</code> to filter the events you are + * interested in. + * + * @author Eric Blake (ebb9@email.byu.edu) + * @since 1.2 + * @status updated to 1.4 + */ +public interface DragSourceListener extends EventListener +{ + /** + * Called when the cursor hotspot enters a drop site which will accept the + * drag. + * + * @param e the drag source drag event + */ + void dragEnter(DragSourceDragEvent e); + + /** + * Called when the cursor hotspot moves inside of a drop site which will + * accept the drag. + * + * @param e the drag source drag event + */ + void dragOver(DragSourceDragEvent e); + + /** + * Called when the user modifies the drop gesture. This is often the case + * when additional mouse or key events are received during the drag. + * + * @param e the drag source drag event + */ + void dropActionChanged(DragSourceDragEvent e); + + /** + * Called when the cursor hotspot moves outside of a drop site which will + * accept the drag. This could also happen if the drop site is no longer + * active, or no longer accepts the drag. + * + * @param e the drag source drag event + */ + void dragExit(DragSourceEvent e); + + /** + * Called when the drag and drop operation is complete. After this event, + * <code>getDropSuccess</code> of the event is valid, and + * <code>getDropAction</code> holds the action requested by the drop site. + * Furthermore, the <code>DragSourceContext</code> is invalidated. + * + * @param e the drag source drag event + */ + void dragDropEnd(DragSourceDropEvent e); +} // interface DragSourceListener |