73 lines
2.8 KiB
Java
73 lines
2.8 KiB
Java
/*
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* Copyright (c) 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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/* @test
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* @key headful
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* @bug 4797982
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* @summary Verifies if negative size of JSplitPane divider can be set.
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* @run main JSplitPaneTestNegDivSize
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*/
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import javax.swing.JFrame;
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import javax.swing.JSplitPane;
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import javax.swing.JTextArea;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.plaf.basic.BasicSplitPaneUI;
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public class JSplitPaneTestNegDivSize {
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private static volatile int divSize;
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private static volatile int basicDivSize;
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private static JFrame frame;
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private static JSplitPane sp;
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public static void main(String[] args) throws Exception {
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SwingUtilities.invokeAndWait(() -> {
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frame = new JFrame();
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sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, true,
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new JTextArea("I am top text area!"),
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new JTextArea("I am bottom text area!"));
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frame.getContentPane().add(sp, BorderLayout.CENTER);
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sp.setDividerSize(-50);
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divSize = sp.getDividerSize();
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((BasicSplitPaneUI)sp.getUI()).getDivider().setDividerSize(-50);
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basicDivSize = ((BasicSplitPaneUI)sp.getUI()).getDivider().
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getDividerSize();
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frame.setSize(new Dimension(400,200));
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frame.setVisible(true);
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});
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try {
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Thread.sleep(1000);
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} catch(Exception e){}
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SwingUtilities.invokeAndWait(()->frame.dispose());
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System.out.println(divSize);
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System.out.println(basicDivSize);
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System.out.println((Integer)UIManager.get("SplitPane.dividerSize"));
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if (divSize < 0 || basicDivSize < 0) {
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throw new RuntimeException("Negative divider size");
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}
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}
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}
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