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test/jdk/javax/swing/JTabbedPane/TestBackgroundScrollPolicy.java
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/* | ||
* Copyright (c) 2020, 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. | ||
*/ | ||
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||
import java.awt.*; | ||
import java.util.ArrayList; | ||
import java.util.concurrent.CountDownLatch; | ||
import javax.swing.JFrame; | ||
import javax.swing.JLabel; | ||
import javax.swing.JTabbedPane; | ||
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import static javax.swing.UIManager.*; | ||
import static javax.swing.SwingUtilities.*; | ||
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/* | ||
* @test | ||
* @key headful | ||
* @bug 8172269 | ||
* @summary Tests JTabbedPane background for SCROLL_TAB_LAYOUT | ||
*/ | ||
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public class TestBackgroundScrollPolicy implements Runnable { | ||
private static final ArrayList<String> LIST = new ArrayList<>(); | ||
private static final LookAndFeelInfo[] INFO = getInstalledLookAndFeels(); | ||
private static final CountDownLatch LATCH = new CountDownLatch(INFO.length); | ||
private static Robot ROBOT; | ||
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public static void main(String[] args) throws Exception { | ||
ROBOT = new Robot(); | ||
invokeLater(new TestBackgroundScrollPolicy()); | ||
LATCH.await(); | ||
if (!LIST.isEmpty()) { | ||
throw new RuntimeException(LIST.toString()); | ||
} | ||
} | ||
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private static void addOpaqueError(boolean opaque) { | ||
LIST.add(getLookAndFeel().getName() + " background color wrong for opaque=" + opaque); | ||
} | ||
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private static boolean updateLookAndFeel() { | ||
int index = (int) LATCH.getCount() - 1; | ||
if (index >= 0) { | ||
try { | ||
LookAndFeelInfo info = INFO[index]; | ||
System.err.println("L&F: " + info.getName()); | ||
setLookAndFeel(info.getClassName()); | ||
return true; | ||
} catch (Exception exception) { | ||
exception.printStackTrace(); | ||
} | ||
} | ||
return false; | ||
} | ||
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private JFrame frame; | ||
private JTabbedPane pane; | ||
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public void run() { | ||
if (this.frame == null) { | ||
if (!updateLookAndFeel()) { | ||
return; | ||
} | ||
this.pane = new JTabbedPane(); | ||
this.pane.setOpaque(false); | ||
this.pane.setBackground(Color.RED); | ||
for (int i = 0; i < 3; i++) { | ||
this.pane.addTab("Tab " + i, new JLabel("Content area " + i)); | ||
} | ||
this.pane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT); | ||
this.frame = new JFrame(getClass().getSimpleName()); | ||
this.frame.getContentPane().setBackground(Color.BLUE); | ||
this.frame.add(this.pane); | ||
this.frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); | ||
this.frame.setSize(400, 200); | ||
this.frame.setLocationRelativeTo(null); | ||
this.frame.setVisible(true); | ||
} else { | ||
Point point = new Point(this.pane.getWidth() - 2, 2); | ||
convertPointToScreen(point, this.pane); | ||
Color actual = ROBOT.getPixelColor(point.x, point.y); | ||
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boolean opaque = this.pane.isOpaque(); | ||
Color expected = opaque | ||
? this.pane.getBackground() | ||
: this.frame.getContentPane().getBackground(); | ||
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System.out.println("expected " + expected + " actual " + actual); | ||
if (!expected.equals(actual)){ | ||
addOpaqueError(opaque); | ||
} | ||
if (!opaque) { | ||
this.pane.setOpaque(true); | ||
this.pane.repaint(); | ||
} else { | ||
this.frame.dispose(); | ||
this.frame = null; | ||
this.pane = null; | ||
LATCH.countDown(); | ||
} | ||
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} | ||
ROBOT.delay(2000); | ||
SecondaryLoop secondaryLoop = | ||
Toolkit.getDefaultToolkit().getSystemEventQueue() | ||
.createSecondaryLoop(); | ||
new Thread() { | ||
@Override | ||
public void run() { | ||
try { | ||
Thread.sleep(200); | ||
} catch (InterruptedException e) { | ||
} | ||
secondaryLoop.exit(); | ||
invokeLater(TestBackgroundScrollPolicy.this); | ||
} | ||
}.start(); | ||
secondaryLoop.enter(); | ||
} | ||
} |