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/*
* Copyright (c) 2016, 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.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
/**
* @test
* @key headful
* @bug 8149849
* @summary [hidpi] DnD issues (cannot DnD from JFileChooser to JEditorPane or
* other text component) when scale > 1
* @run main/othervm -Dsun.java2d.uiScale=2 DNDTextToScaledArea
*/
public class DNDTextToScaledArea {
private static final String TEXT = "ABCDEFGH";
private static JFrame frame;
private static JTextArea srcTextArea;
private static JTextArea dstTextArea;
private static volatile Point srcPoint;
private static volatile Point dstPoint;
private static volatile boolean passed = false;
public static void main(String[] args) throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(50);
SwingUtilities.invokeAndWait(DNDTextToScaledArea::createAndShowGUI);
robot.waitForIdle();
SwingUtilities.invokeAndWait(() -> {
srcPoint = getPoint(srcTextArea, 0.1);
dstPoint = getPoint(dstTextArea, 0.75);
});
robot.waitForIdle();
dragAndDrop(robot, srcPoint, dstPoint);
robot.waitForIdle();
SwingUtilities.invokeAndWait(() -> {
passed = TEXT.equals(dstTextArea.getText());
frame.dispose();
});
robot.waitForIdle();
if (!passed) {
throw new RuntimeException("Text Drag and Drop failed!");
}
}
private static void createAndShowGUI() {
frame = new JFrame();
frame.setSize(300, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel(new BorderLayout());
srcTextArea = new JTextArea(TEXT);
srcTextArea.setDragEnabled(true);
srcTextArea.selectAll();
dstTextArea = new JTextArea();
panel.add(dstTextArea, BorderLayout.CENTER);
panel.add(srcTextArea, BorderLayout.SOUTH);
frame.getContentPane().add(panel);
frame.setVisible(true);
}
private static Point getPoint(Component component, double scale) {
Point point = component.getLocationOnScreen();
Dimension bounds = component.getSize();
point.translate((int) (bounds.width * scale), (int) (bounds.height * scale));
return point;
}
public static void dragAndDrop(Robot robot, Point src, Point dst) throws Exception {
int x1 = src.x;
int y1 = src.y;
int x2 = dst.x;
int y2 = dst.y;
robot.mouseMove(x1, y1);
robot.mousePress(InputEvent.BUTTON1_MASK);
float dmax = (float) Math.max(Math.abs(x2 - x1), Math.abs(y2 - y1));
float dx = (x2 - x1) / dmax;
float dy = (y2 - y1) / dmax;
for (int i = 0; i <= dmax; i += 5) {
robot.mouseMove((int) (x1 + dx * i), (int) (y1 + dy * i));
}
robot.mouseRelease(InputEvent.BUTTON1_MASK);
}
}
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