351 lines
10 KiB
Java
351 lines
10 KiB
Java
/*
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* Copyright (c) 2001, 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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/*
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@test
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@bug 4215643
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@summary Tests that the drag source receives mouseReleased event
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@key headful
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*/
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import java.awt.BorderLayout;
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import java.awt.Button;
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import java.awt.Color;
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import java.awt.Container;
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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.Panel;
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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.datatransfer.UnsupportedFlavorException;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DragGestureEvent;
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import java.awt.dnd.DragGestureListener;
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import java.awt.dnd.DragSource;
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import java.awt.dnd.DragSourceDragEvent;
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import java.awt.dnd.DragSourceDropEvent;
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import java.awt.dnd.DragSourceEvent;
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import java.awt.dnd.DragSourceListener;
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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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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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public class ButtonReleaseTest {
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static volatile ButtonPanelFrame buttonPanelFrame;
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static final int FRAME_ACTIVATION_TIMEOUT = 1000;
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static final int DROP_COMPLETION_TIMEOUT = 4000;
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public static void main(String[] args) throws Exception {
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Robot robot = new Robot();
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robot.setAutoWaitForIdle(true);
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robot.setAutoDelay(20);
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try {
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EventQueue.invokeAndWait(() -> {
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buttonPanelFrame = new ButtonPanelFrame();
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buttonPanelFrame.pack();
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buttonPanelFrame.setVisible(true);
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});
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robot.waitForIdle();
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robot.delay(FRAME_ACTIVATION_TIMEOUT);
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Point p = buttonPanelFrame.getButtonLocation();
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Dimension d = buttonPanelFrame.getButtonSize();
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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.BUTTON1_DOWN_MASK);
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for (int i = 0; i < d.width; i++) {
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p.translate(0, 1);
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robot.mouseMove(p.x, p.y);
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}
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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try {
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Thread.sleep(DROP_COMPLETION_TIMEOUT);
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} catch (InterruptedException e) {
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throw new RuntimeException("The test failed.");
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}
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if (!buttonPanelFrame.passed()) {
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throw new RuntimeException(
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"The test failed - mouse release was not received.");
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}
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} finally {
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EventQueue.invokeAndWait(buttonPanelFrame::dispose);
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}
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}
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}
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class ButtonPanelFrame extends Frame {
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DnDSource dragSource;
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DnDTarget dropTarget;
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ButtonPanelFrame() {
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Panel mainPanel;
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setTitle("ButtonReleaseTest - ButtonPanelFrame");
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setSize(200, 200);
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setLocationRelativeTo(null);
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setLayout(new BorderLayout());
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mainPanel = new Panel();
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mainPanel.setLayout(new BorderLayout());
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mainPanel.setBackground(Color.black);
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dropTarget = new DnDTarget(Color.red, Color.yellow);
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dragSource = new DnDSource("Drag ME!");
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mainPanel.add(dragSource, "North");
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mainPanel.add(dropTarget, "Center");
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add(mainPanel, BorderLayout.CENTER);
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}
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boolean passed() {
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return dragSource.passed();
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}
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Point getButtonLocation() {
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return dragSource.getLocationOnScreen();
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}
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Dimension getButtonSize() {
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return dragSource.getSize();
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}
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}
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class DnDSource extends Button implements Serializable, Transferable,
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DragGestureListener,
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DragSourceListener {
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private transient DataFlavor df;
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private transient int dropAction;
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volatile boolean released = false;
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DnDSource(String label) {
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super(label);
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DragSource ds = DragSource.getDefaultDragSource();
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ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY,
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this);
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addMouseListener(new MouseAdapter() {
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public void mouseReleased(MouseEvent e) {
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synchronized(this) {
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released = true;
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notifyAll();
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}
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}
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});
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setBackground(Color.yellow);
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setForeground(Color.blue);
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df = new DataFlavor(DnDSource.class, "DnDSource");
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}
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public void dragGestureRecognized(DragGestureEvent dge) {
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dge.startDrag(null, this, this);
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}
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public void dragEnter(DragSourceDragEvent dsde) {
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dsde.getDragSourceContext().setCursor(DragSource.DefaultCopyDrop);
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}
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public void dragOver(DragSourceDragEvent dsde) {
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}
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public void dragGestureChanged(DragSourceDragEvent dsde) {
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}
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public void dragExit(DragSourceEvent dsde) {
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dsde.getDragSourceContext().setCursor(null);
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}
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public void dragDropEnd(DragSourceDropEvent dsde) {
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}
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public void dropActionChanged(DragSourceDragEvent dsde) {
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}
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public DataFlavor[] getTransferDataFlavors() {
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return new DataFlavor[] { df };
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}
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public boolean isDataFlavorSupported(DataFlavor sdf) {
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return df.equals(sdf);
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}
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public Object getTransferData(DataFlavor tdf) throws UnsupportedFlavorException , IOException {
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Object copy = null;
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if (!df.equals(tdf)) {
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throw new UnsupportedFlavorException(tdf);
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}
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Container parent = getParent();
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switch (dropAction) {
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case DnDConstants.ACTION_COPY:
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try {
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copy = this.clone();
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} catch (CloneNotSupportedException e) {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ObjectOutputStream oos = new ObjectOutputStream(baos);
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oos.writeObject(this);
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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ObjectInputStream ois = new ObjectInputStream(bais);
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try {
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copy = ois.readObject();
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} catch (ClassNotFoundException cnfe) {
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// do nothing
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}
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}
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return copy;
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case DnDConstants.ACTION_MOVE:
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synchronized(this) {
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if (parent != null) parent.remove(this);
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}
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return this;
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case DnDConstants.ACTION_LINK:
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return this;
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default:
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return this;
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}
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}
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boolean passed() {
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return !released;
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}
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}
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class DnDTarget extends Panel implements DropTargetListener {
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Color bgColor;
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Color htColor;
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DnDTarget(Color bgColor, Color htColor) {
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super();
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this.bgColor = bgColor;
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this.htColor = htColor;
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setBackground(bgColor);
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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 new Dimension(200, 200);
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}
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public void dragEnter(DropTargetDragEvent e) {
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e.acceptDrag(DnDConstants.ACTION_COPY);
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setBackground(htColor);
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repaint();
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}
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public void dragOver(DropTargetDragEvent e) {
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e.acceptDrag(DnDConstants.ACTION_COPY);
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}
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public void dragExit(DropTargetEvent e) {
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setBackground(bgColor);
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repaint();
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}
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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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return;
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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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Object obj = null;
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try {
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obj = transfer.getTransferData(dfs[0]);
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} catch (IOException | UnsupportedFlavorException e) {
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System.err.println(e.getMessage());
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dtc.dropComplete(false);
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return;
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}
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if (obj != null) {
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Button button = null;
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try {
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button = (Button)obj;
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} catch (Exception e) {
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System.err.println(e.getMessage());
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dtc.dropComplete(false);
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return;
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}
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add(button);
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repaint();
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}
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}
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setBackground(bgColor);
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invalidate();
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validate();
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repaint();
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dtc.dropComplete(true);
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}
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public void dragScroll(DropTargetDragEvent e) {
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}
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public void dropActionChanged(DropTargetDragEvent e) {
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}
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}
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