104 lines
3.5 KiB
Java
104 lines
3.5 KiB
Java
/*
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* Copyright (c) 2011, 2023, 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 6404832
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@summary Tests that scroll position is not changed by validate() for mode SCROLLBARS_NEVER
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@key headful
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@run main ScrollPositionIntact
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*/
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.Label;
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import java.awt.Panel;
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import java.awt.Robot;
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import java.awt.ScrollPane;
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public class ScrollPositionIntact {
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Frame frame;
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ScrollPane sp;
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Panel pa;
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public static final int X_POS = 100;
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public static void main(String[] args) throws Exception {
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ScrollPositionIntact test = new ScrollPositionIntact();
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test.init();
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test.start();
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}
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public void init() throws Exception {
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EventQueue.invokeAndWait(() -> {
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pa = new Panel();
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pa.setSize(600, 50);
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pa.setPreferredSize(new Dimension(600, 50));
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pa.setBackground(Color.red);
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sp = new ScrollPane(ScrollPane.SCROLLBARS_NEVER);
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sp.setSize(200, 50);
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pa.setLayout(new GridLayout(1, 3));
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pa.add("West", new Label("west", Label.LEFT));
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pa.add("West", new Label());
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pa.add("East", new Label("East", Label.RIGHT));
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sp.add(pa);
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frame = new Frame("ScrollPositionIntact");
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frame.setSize(200, 100);
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frame.add(sp);
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frame.setVisible(true);
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});
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}
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public void start() throws Exception {
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try {
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Robot robot = new Robot();
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robot.waitForIdle();
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robot.delay(1000);
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EventQueue.invokeAndWait(() -> {
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frame.toFront();
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frame.requestFocus();
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sp.setScrollPosition(X_POS, sp.getScrollPosition().y);
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pa.validate();
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// Now, before the fix, in Windows XP, Windows XP theme and on Vista,
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// scrollposition would be reset to zero..
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sp.validate();
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int i = (int) (sp.getScrollPosition().getX());
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if (i <= 0) {
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// actual position MAY be not equal to X_POS; still, it must be > 0.
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throw new RuntimeException("Test failure: zero scroll position.\n\n");
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}
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});
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} finally {
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EventQueue.invokeAndWait(() -> {
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if (frame != null) {
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frame.dispose();
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}
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});
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}
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}
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}
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