8282937: Write a regression test for JDK-4820080
Reviewed-by: serb
This commit is contained in:
Manukumar V S
Sergey Bylokhov
parent
81d63734bc
commit
849b19523a
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/*
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* Copyright (c) 2003, 2022, 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.BorderLayout;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.Toolkit;
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import java.awt.event.InputEvent;
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import java.io.File;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.stream.Collectors;
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import javax.imageio.ImageIO;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JSplitPane;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.UIManager.LookAndFeelInfo;
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import javax.swing.UnsupportedLookAndFeelException;
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import static javax.swing.UIManager.getInstalledLookAndFeels;
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/*
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* @test
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* @key headful
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* @bug 4820080
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* @summary This test confirms that the Drag color of JSplitPane divider should
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* be the user specified one(Red here).
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* @run main JSplitPaneDragColorTest
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*/
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public class JSplitPaneDragColorTest {
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// Tolerance is set inorder to negate small differences in pixel color values,
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// especially in Mac machines.
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private final static int COLOR_TOLERANCE = 9;
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private static final Color EXPECTED_DRAG_COLOR = Color.RED;
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private static JFrame frame;
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private static JSplitPane pane;
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private static Robot robot;
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public static void main(String[] args) throws Exception {
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robot = new Robot();
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robot.setAutoWaitForIdle(true);
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robot.setAutoDelay(200);
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// Skipping NimbusLookAndFeel & GTKLookAndFeel,
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// as both are not supported for this feature - JDK-8075914, JDK-8075608
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List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
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.filter(laf -> !(laf.getName().contains("GTK")
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|| laf.getName().contains("Nimbus")))
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.map(LookAndFeelInfo::getClassName)
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.collect(Collectors.toList());
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for (final String laf : lafs) {
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try {
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AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
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SwingUtilities.invokeAndWait(() -> {
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lafSetSuccess.set(setLookAndFeel(laf));
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if (lafSetSuccess.get()) {
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createUI();
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}
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});
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if (!lafSetSuccess.get()) {
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continue;
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}
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robot.waitForIdle();
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Rectangle dividerRect = getDividerRect();
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// Mouse click and right drag split pane divider
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robot.mouseMove(dividerRect.x + 5, dividerRect.y + 36);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseMove(dividerRect.x + 15, dividerRect.y + 36);
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robot.mouseMove(dividerRect.x + 5, dividerRect.y + 36);
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// Get the color of one of the pixels of the splitpane divider
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// after the drag has started. Ideally it should be the
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// SplitPaneDivider.draggingColor set by user, otherwise the test fails
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final Color actualDragColor = robot.getPixelColor(dividerRect.x + 2,
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dividerRect.y + 2);
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if (checkDragColor(actualDragColor)) {
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System.out.println("Test passed in " + laf);
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} else {
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System.out.print("Expected pixel color = ");
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System.out.printf("%X", EXPECTED_DRAG_COLOR.getRGB());
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System.out.print(", but actual color = ");
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System.out.printf("%X", actualDragColor.getRGB());
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System.out.println();
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captureScreen();
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throw new RuntimeException("Test failed, drag color is wrong in "
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+ laf);
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}
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} finally {
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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SwingUtilities.invokeAndWait(JSplitPaneDragColorTest::disposeFrame);
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}
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}
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}
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private static boolean checkDragColor(Color actualDragColor) {
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int actualRed = actualDragColor.getRed();
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int actualGreen = actualDragColor.getGreen();
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int actualBlue = actualDragColor.getBlue();
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int expectedRed = EXPECTED_DRAG_COLOR.getRed();
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int expectedGreen = EXPECTED_DRAG_COLOR.getGreen();
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int expectedBlue = EXPECTED_DRAG_COLOR.getBlue();
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final double tolerance = Math.sqrt(
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(actualRed - expectedRed) * (actualRed - expectedRed) +
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(actualGreen - expectedGreen) * (actualGreen - expectedGreen) +
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(actualBlue - expectedBlue) * (actualBlue - expectedBlue));
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return (tolerance <= COLOR_TOLERANCE);
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}
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private static Rectangle getDividerRect() {
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final AtomicReference<Rectangle> rect = new AtomicReference<>();
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SwingUtilities.invokeLater(() -> {
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javax.swing.plaf.basic.BasicSplitPaneUI ui =
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(javax.swing.plaf.basic.BasicSplitPaneUI) pane.getUI();
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javax.swing.plaf.basic.BasicSplitPaneDivider divider = ui.getDivider();
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Point dividerLoc = divider.getLocationOnScreen();
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rect.set(new Rectangle(dividerLoc.x, dividerLoc.y, divider.getWidth(),
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divider.getHeight()));
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});
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robot.waitForIdle();
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return rect.get();
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}
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private static void captureScreen() {
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Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
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try {
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ImageIO.write(
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robot.createScreenCapture(new Rectangle(0, 0,
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screenSize.width,
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screenSize.height)),
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"png",
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new File("screen1.png")
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);
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} catch (IOException ignore) {
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}
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}
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private static void createUI() {
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frame = new JFrame();
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UIManager.put("SplitPaneDivider.draggingColor", EXPECTED_DRAG_COLOR);
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JLabel l1 = new JLabel("LEFT LABEL", JLabel.CENTER);
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JLabel l2 = new JLabel("RIGHT LABEL", JLabel.CENTER);
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pane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, l1, l2);
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frame.setSize(400, 400);
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pane.setDividerSize(15);
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pane.setDividerLocation(frame.getSize().width / 2);
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frame.getContentPane().add(pane, BorderLayout.CENTER);
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frame.setLocationRelativeTo(null);
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frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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frame.setVisible(true);
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}
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private static boolean setLookAndFeel(String lafName) {
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try {
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UIManager.setLookAndFeel(lafName);
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} catch (UnsupportedLookAndFeelException ignored) {
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System.out.println("Ignoring Unsupported L&F: " + lafName);
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return false;
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} catch (ClassNotFoundException | InstantiationException
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| IllegalAccessException e) {
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throw new RuntimeException(e);
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}
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return true;
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}
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private static void disposeFrame() {
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if (frame != null) {
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frame.dispose();
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frame = null;
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}
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}
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}
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