153 lines
4.6 KiB
Java
153 lines
4.6 KiB
Java
/*
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* Copyright (c) 2000, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.Label;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.Transferable;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DropTarget;
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import java.awt.dnd.DropTargetContext;
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import java.awt.dnd.DropTargetDragEvent;
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import java.awt.dnd.DropTargetDropEvent;
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import java.awt.dnd.DropTargetEvent;
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import java.awt.dnd.DropTargetListener;
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import java.awt.event.InputEvent;
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/*
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@test
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@bug 4399700
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@summary tests that Motif drag support for label widget doesn't cause
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crash when used for drag and drop from label to Java drop target
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@key headful
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@run main NativeDragJavaDropTest
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*/
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public class NativeDragJavaDropTest {
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volatile Frame frame;
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volatile DropTargetLabel label;
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volatile Point p;
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volatile Dimension d;
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public static final int FRAME_ACTIVATION_TIMEOUT = 1000;
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public static final int DRAG_START_TIMEOUT = 500;
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public static final int DROP_COMPLETION_TIMEOUT = 2000;
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public static void main(String[] args) throws Exception {
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NativeDragJavaDropTest test = new NativeDragJavaDropTest();
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EventQueue.invokeAndWait(test::init);
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try {
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test.start();
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} finally {
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EventQueue.invokeAndWait(() -> {
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if (test.frame != null) {
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test.frame.dispose();
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}
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});
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}
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}
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public void init() {
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frame = new Frame();
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label = new DropTargetLabel();
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frame.setTitle("NativeDragJavaDropTest");
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frame.setLocation(200, 200);
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frame.add(label);
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frame.pack();
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frame.setVisible(true);
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}
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public void start() throws Exception {
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Robot robot = new Robot();
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robot.waitForIdle();
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Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
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EventQueue.invokeAndWait(() -> {
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p = label.getLocationOnScreen();
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d = label.getSize();
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});
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p.translate(d.width / 2, d.height / 2);
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robot.mouseMove(p.x, p.y);
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robot.mousePress(InputEvent.BUTTON2_MASK);
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Thread.sleep(DRAG_START_TIMEOUT);
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robot.mouseRelease(InputEvent.BUTTON2_MASK);
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Thread.sleep(DROP_COMPLETION_TIMEOUT);
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}
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}
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class DropTargetLabel extends Label implements DropTargetListener {
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final Dimension preferredDimension = new Dimension(200, 100);
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public DropTargetLabel() {
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super("Label");
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setDropTarget(new DropTarget(this, this));
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}
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public Dimension getPreferredSize() {
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return preferredDimension;
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}
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public void dragEnter(DropTargetDragEvent dtde) {}
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public void dragExit(DropTargetEvent dte) {}
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public void dragOver(DropTargetDragEvent dtde) {}
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public void dropActionChanged(DropTargetDragEvent dtde) {}
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public void drop(DropTargetDropEvent dtde) {
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DropTargetContext dtc = dtde.getDropTargetContext();
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if ((dtde.getSourceActions() & DnDConstants.ACTION_COPY) != 0) {
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dtde.acceptDrop(DnDConstants.ACTION_COPY);
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} else {
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dtde.rejectDrop();
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}
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DataFlavor[] dfs = dtde.getCurrentDataFlavors();
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if (dfs != null && dfs.length >= 1) {
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Transferable transfer = dtde.getTransferable();
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try {
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Object obj = (Object)transfer.getTransferData(dfs[0]);
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} catch (Throwable e) {
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e.printStackTrace();
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dtc.dropComplete(false);
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}
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}
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dtc.dropComplete(true);
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}
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}
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