114 lines
4.5 KiB
Java
114 lines
4.5 KiB
Java
/*
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* Copyright (c) 2017, 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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/**
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* @test
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* @bug 8187957
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* @summary Verifies Tab Size works correctly in JTextArea
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* @key headful
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* @run main TestTabSize
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*/
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import java.awt.geom.Rectangle2D;
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import javax.swing.GroupLayout;
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import javax.swing.JFrame;
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import javax.swing.JScrollPane;
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import javax.swing.JTextArea;
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import javax.swing.SwingUtilities;
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import javax.swing.text.BadLocationException;
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import javax.swing.text.Caret;
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public class TestTabSize {
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private static JScrollPane jScrollPane1;
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private static JTextArea jTextArea1;
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private static JFrame f;
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private static Rectangle2D rect;
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private static Rectangle2D rect1;
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private static boolean excpnthrown = false;
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public static void main(String args[]) throws Exception {
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SwingUtilities.invokeAndWait(() -> {
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try {
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jScrollPane1 = new javax.swing.JScrollPane();
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jTextArea1 = new javax.swing.JTextArea();
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jTextArea1.setTabSize(8);
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f = new JFrame();
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jTextArea1.setFont(new java.awt.Font("Monospaced", 0, 10));
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String str =
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"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#\n"
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+ "! Some Text\t\t\t\t\t#";
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jTextArea1.setText(str);
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jScrollPane1.setViewportView(jTextArea1);
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GroupLayout layout = new javax.swing.GroupLayout(f.getContentPane());
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f.getContentPane().setLayout(layout);
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layout.setHorizontalGroup(
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layout.createParallelGroup(
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javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addComponent(jScrollPane1,
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javax.swing.GroupLayout.DEFAULT_SIZE,
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446, Short.MAX_VALUE)
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.addContainerGap())
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);
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layout.setVerticalGroup(
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layout.createParallelGroup(
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javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addComponent(jScrollPane1)
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.addContainerGap())
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);
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f.pack();
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int first = str.indexOf("#");
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jTextArea1.setCaretPosition(first);
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Caret caret = jTextArea1.getCaret();
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rect = jTextArea1.modelToView2D(caret.getDot());
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System.out.println("caret x position " + rect.getX());
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jTextArea1.setCaretPosition(str.indexOf("#", first+1));
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caret = jTextArea1.getCaret();
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rect1 = jTextArea1.modelToView2D(caret.getDot());
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System.out.println("2nd caret x position " + rect1.getX());
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} catch (BadLocationException ex) {
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excpnthrown = true;
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} finally {
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if (f != null) {
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f.dispose();
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}
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}
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});
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if (excpnthrown) {
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throw new RuntimeException("BadLocationException thrown");
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}
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if ((int)rect.getX() != (int)rect1.getX()) {
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throw new RuntimeException("Tab width calculation wrong");
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}
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}
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}
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