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/*
* Copyright (c) 2013, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.EventQueue;
import java.awt.GridLayout;
import java.awt.Robot;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Dimension;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JList;
/*
@test
@bug 4388802
@summary tests that a drag can be initiated with MOUSE_MOVED event
@key headful
@run main DragTriggerEventTest
*/
public class DragTriggerEventTest {
volatile JFrame frame;
volatile JList list;
volatile DropTargetPanel panel;
volatile Point srcPoint;
volatile Rectangle cellBounds;
volatile Point dstPoint;
volatile Dimension d;
static final int FRAME_ACTIVATION_TIMEOUT = 3000;
volatile boolean mouse1Pressed = false;
volatile boolean ctrlPressed = false;
public static void main(String[] args) throws Exception {
DragTriggerEventTest test = new DragTriggerEventTest();
EventQueue.invokeAndWait(test::init);
try {
test.start();
} finally {
EventQueue.invokeAndWait(() -> {
if (test.frame != null) {
test.frame.dispose();
}
});
}
}
public void init() {
list = new JList(new String[] {"one", "two", "three", "four"});
list.setDragEnabled(true);
panel = new DropTargetPanel();
frame = new JFrame();
frame.setTitle("DragTriggerEventTest");
frame.setLocation(200, 200);
frame.getContentPane().setLayout(new GridLayout(2, 1));
frame.getContentPane().add(list);
frame.getContentPane().add(panel);
frame.pack();
frame.setVisible(true);
}
public void start() throws Exception {
Robot robot;
robot = new Robot();
EventQueue.invokeAndWait(() -> {
srcPoint = list.getLocationOnScreen();
cellBounds = list.getCellBounds(0, 0);
});
srcPoint.translate(cellBounds.x + cellBounds.width / 2,
cellBounds.y + cellBounds.height / 2);
EventQueue.invokeAndWait(() -> {
dstPoint = panel.getLocationOnScreen();
d = panel.getSize();
});
dstPoint.translate(d.width / 2, d.height / 2);
for (int delay = 32; delay < 10000 && !panel.getResult(); delay *= 2) {
System.err.println("attempt to drag with delay " + delay);
robot.mouseMove(srcPoint.x, srcPoint.y);
robot.mousePress(InputEvent.BUTTON1_MASK);
mouse1Pressed = true;
robot.mouseRelease(InputEvent.BUTTON1_MASK);
mouse1Pressed = false;
robot.keyPress(KeyEvent.VK_CONTROL);
ctrlPressed = true;
robot.mousePress(InputEvent.BUTTON1_MASK);
mouse1Pressed = true;
Point p = new Point(srcPoint);
while (!p.equals(dstPoint)) {
p.translate(sign(dstPoint.x - p.x),
sign(dstPoint.y - p.y));
robot.mouseMove(p.x, p.y);
robot.delay(delay);
}
}
if (mouse1Pressed) {
robot.mouseRelease(InputEvent.BUTTON1_MASK);
}
if (ctrlPressed) {
robot.keyRelease(KeyEvent.VK_CONTROL);
}
EventQueue.invokeAndWait(() -> {
if (!panel.getResult()) {
throw new RuntimeException("The test failed.");
}
});
}
public static int sign(int n) {
return n < 0 ? -1 : n == 0 ? 0 : 1;
}
}
class DropTargetPanel extends JPanel implements DropTargetListener {
private boolean passed = false;
final Dimension preferredDimension = new Dimension(200, 100);
public DropTargetPanel() {
setDropTarget(new DropTarget(this, this));
}
public Dimension getPreferredSize() {
return preferredDimension;
}
public void dragEnter(DropTargetDragEvent dtde) {
passed = true;
}
public void dragExit(DropTargetEvent dte) {
passed = true;
}
public void dragOver(DropTargetDragEvent dtde) {
passed = true;
}
public void dropActionChanged(DropTargetDragEvent dtde) {
passed = true;
}
public void drop(DropTargetDropEvent dtde) {
passed = true;
dtde.rejectDrop();
}
public boolean getResult() {
return passed;
}
}
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