diff options
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/awt/dnd/peer/gtk/GtkDragSourceContextPeer.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/java/awt/dnd/peer/gtk/GtkDragSourceContextPeer.java | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/awt/dnd/peer/gtk/GtkDragSourceContextPeer.java b/gcc-4.4.3/libjava/classpath/gnu/java/awt/dnd/peer/gtk/GtkDragSourceContextPeer.java new file mode 100644 index 000000000..b68fa1058 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/awt/dnd/peer/gtk/GtkDragSourceContextPeer.java @@ -0,0 +1,184 @@ +/* GtkDragSourceContextPeer.java -- + Copyright (C) 2006 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 gnu.java.awt.dnd.peer.gtk; + +import gnu.java.awt.peer.gtk.GtkGenericPeer; + +import java.awt.Component; +import java.awt.Cursor; +import java.awt.Image; +import java.awt.Point; +import java.awt.dnd.DragGestureEvent; +import java.awt.dnd.DragSourceContext; +import java.awt.dnd.DragSourceDragEvent; +import java.awt.dnd.DragSourceDropEvent; +import java.awt.dnd.DragSourceEvent; +import java.awt.dnd.InvalidDnDOperationException; +import java.awt.dnd.peer.DragSourceContextPeer; +import java.awt.peer.ComponentPeer; +import java.awt.peer.LightweightPeer; + +public class GtkDragSourceContextPeer + extends GtkGenericPeer + implements DragSourceContextPeer +{ + private ComponentPeer peer; + private Cursor cursor; + private DragSourceContext context; + public static Component target; + + native void nativeStartDrag(Image i, int x, int y, int action, String target); + native void connectSignals(ComponentPeer comp); + native void create(ComponentPeer comp); + native void nativeSetCursor(int cursor); + native void setTarget(GtkDropTargetContextPeer target); + + public GtkDragSourceContextPeer(DragGestureEvent e) + { + super(e.getComponent()); + Component comp = e.getComponent(); + peer = getComponentPeer(comp); + + create(peer); + connectSignals(peer); + cursor = comp.getCursor(); + + // FIXME: Where do we set the target? + + if ((target != null)) + setTarget(new GtkDropTargetContextPeer(target)); + } + + ComponentPeer getComponentPeer(Component c) + { + if (c == null) + return null; + + Component curr = c; + while (curr.getPeer() instanceof LightweightPeer) + curr = curr.getParent(); + + if (curr != null) + return curr.getPeer(); + return null; + } + + public void startDrag(DragSourceContext context, Cursor c, Image i, Point p) + throws InvalidDnDOperationException + { + this.context = context; + + if (p == null) + p = new Point(); + + // FIXME: use proper DataFlavor, not "text/plain". + // Also, add check to determine if dragging. + + setCursor(c); + nativeStartDrag(i, p.x, p.y, context.getTrigger().getDragAction(), + "text/plain"); + } + + public Cursor getCursor() + { + return cursor; + } + + public void setCursor(Cursor c) throws InvalidDnDOperationException + { + if (c != null) + { + nativeSetCursor(c.getType()); + cursor = c; + } + } + + public void transferablesFlavorsChanged() + { + // Nothing to do here. + } + + /** + * Called from native code. + */ + + public void dragEnter(int action, int modifiers) + { + context.dragEnter(new DragSourceDragEvent(context, action, + action + & context.getSourceActions(), + modifiers)); + } + + public void dragExit(int action, int x, int y) + { + context.dragExit(new DragSourceEvent(context, x, y)); + } + + public void dragDropEnd(int action, boolean success, int x, int y) + { + context.dragDropEnd(new DragSourceDropEvent(context, action, success, x, y)); + } + + public void dragMouseMoved(int action, int modifiers) + { + context.dragMouseMoved(new DragSourceDragEvent(context, + action, + action + & context.getSourceActions(), + modifiers)); + } + + public void dragOver(int action, int modifiers) + { + context.dragOver(new DragSourceDragEvent(context, action, + action + & context.getSourceActions(), + modifiers)); + } + + public void dragActionChanged(int newAction, int modifiers) + { + context.dropActionChanged(new DragSourceDragEvent(context, + newAction, + newAction + & context.getSourceActions(), + modifiers)); + } +} |