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8212904: JTextArea line wrapping incorrect when using UI scale
Reviewed-by: serb, prr
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test/jdk/javax/swing/JTextArea/JTextAreaWordWrapTest.java
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/* | ||
* Copyright (c) 2019, 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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/* @test | ||
* @key headful | ||
* @bug 8212904 | ||
* @summary Verifies JTextArea line wrapping using UI scale | ||
* @run main JTextAreaWordWrapTest | ||
*/ | ||
import java.awt.BorderLayout; | ||
import java.awt.event.WindowAdapter; | ||
import java.awt.event.WindowEvent; | ||
import java.io.IOException; | ||
import java.net.URISyntaxException; | ||
import javax.swing.JFrame; | ||
import javax.swing.JScrollPane; | ||
import javax.swing.JTextArea; | ||
import javax.swing.ScrollPaneConstants; | ||
import javax.swing.SwingUtilities; | ||
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public class JTextAreaWordWrapTest { | ||
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static JFrame frame; | ||
static JFrame frame1; | ||
static JTextArea textArea; | ||
static JTextArea textArea1; | ||
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public static void doWrapOnTest() { | ||
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frame = new JFrame(); | ||
frame.setSize( 720, 300 ); | ||
frame.setLayout( new BorderLayout() ); | ||
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textArea = new JTextArea(); | ||
textArea.setLineWrap( true ); | ||
textArea.setWrapStyleWord( true ); | ||
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StringBuffer sb = new StringBuffer(); | ||
for (int i = 0; i < 100; i++) { | ||
sb.append( "zz zzz zzzz zz zz zz zzz xzzzz zzzzzzzzzzzzzzzzx yyyyyyy tttttttttt sssss hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n" ); | ||
} | ||
textArea.setText( sb.toString() ); | ||
JScrollPane pane = new JScrollPane( textArea, | ||
ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, | ||
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED ); | ||
frame.add( pane, BorderLayout.CENTER ); | ||
frame.setVisible( true ); | ||
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} | ||
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public static void doWrapOffTest() { | ||
frame1 = new JFrame(); | ||
frame1.setSize( 720, 300 ); | ||
frame1.setLayout( new BorderLayout() ); | ||
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textArea1 = new JTextArea(); | ||
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StringBuffer sb1 = new StringBuffer(); | ||
for (int i = 0; i < 100; i++) { | ||
sb1.append( "zz zzz zzzz zz zz zz zzz xzzzz zzzzzzzzzzzzzzzzx yyyyyyy tttttttttt sssss hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n" ); | ||
} | ||
textArea1.setText( sb1.toString() ); | ||
JScrollPane pane1 = new JScrollPane( textArea1, | ||
ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, | ||
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED ); | ||
frame1.add( pane1, BorderLayout.CENTER ); | ||
frame1.setLocationRelativeTo(null); | ||
frame1.setVisible( true ); | ||
} | ||
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public static void main( String[] args ) throws Exception { | ||
System.setProperty( "sun.java2d.uiScale", "1.25" ); | ||
try { | ||
SwingUtilities.invokeAndWait(() -> doWrapOnTest()); | ||
Thread.sleep(500); | ||
SwingUtilities.invokeAndWait(() -> doWrapOffTest()); | ||
Thread.sleep(500); | ||
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SwingUtilities.invokeAndWait(() -> { | ||
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int wraponHeight = textArea.getHeight(); | ||
System.out.println("wraponheight " + wraponHeight); | ||
int wrapoffHeight = textArea1.getHeight(); | ||
System.out.println("wrapoffheight " + wrapoffHeight); | ||
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if (wraponHeight == wrapoffHeight) { | ||
throw new RuntimeException("JTextArea line wrapping incorrect when using UI scale"); | ||
} | ||
}); | ||
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} finally { | ||
SwingUtilities.invokeAndWait(() -> frame.dispose()); | ||
SwingUtilities.invokeAndWait(() -> frame1.dispose()); | ||
} | ||
} | ||
} |