| /* |
| * Copyright (c) 2012, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 4697612 6244705 |
| * @author Peter Zhelezniakov |
| * @library ../../regtesthelpers |
| * @build Util |
| * @run main bug4697612 |
| */ |
| import java.io.*; |
| import java.awt.*; |
| import java.awt.event.*; |
| import javax.swing.*; |
| |
| import javax.swing.text.BadLocationException; |
| import sun.awt.SunToolkit; |
| |
| public class bug4697612 { |
| |
| static final int FRAME_WIDTH = 300; |
| static final int FRAME_HEIGHT = 300; |
| static final int FONT_HEIGHT = 16; |
| private static volatile int frameHeight; |
| private static volatile int fontHeight; |
| private static JFrame frame; |
| private static JTextArea text; |
| private static JScrollPane scroller; |
| |
| public static void main(String[] args) throws Throwable { |
| SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); |
| Robot robot = new Robot(); |
| robot.setAutoDelay(100); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| createAndShowGUI(); |
| } |
| }); |
| |
| toolkit.realSync(); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| text.requestFocus(); |
| } |
| }); |
| |
| toolkit.realSync(); |
| |
| // 4697612: pressing PgDn + PgUp should not alter caret position |
| Util.hitKeys(robot, KeyEvent.VK_HOME); |
| Util.hitKeys(robot, KeyEvent.VK_PAGE_DOWN); |
| |
| |
| int pos0 = getTextCaretPosition(); |
| int caretHeight = getTextCaretHeight(); |
| fontHeight = FONT_HEIGHT; |
| |
| // iterate two times, for different (even and odd) font height |
| for (int i = 0; i < 2; i++) { |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| public void run() { |
| text.setFont(text.getFont().deriveFont(fontHeight)); |
| } |
| }); |
| |
| frameHeight = FRAME_HEIGHT; |
| |
| for (int j = 0; j < caretHeight; j++) { |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| public void run() { |
| frame.setSize(FRAME_WIDTH, frameHeight); |
| } |
| }); |
| |
| toolkit.realSync(); |
| |
| Util.hitKeys(robot, KeyEvent.VK_PAGE_DOWN); |
| Util.hitKeys(robot, KeyEvent.VK_PAGE_UP); |
| toolkit.realSync(); |
| |
| int pos = getTextCaretPosition(); |
| if (pos0 != pos) { |
| throw new RuntimeException("Failed 4697612: PgDn & PgUp keys scroll by different amounts"); |
| } |
| frameHeight++; |
| } |
| fontHeight++; |
| } |
| |
| |
| // 6244705: pressing PgDn at the very bottom should not scroll |
| LookAndFeel laf = UIManager.getLookAndFeel(); |
| if (laf.getID().equals("Aqua")) { |
| Util.hitKeys(robot, KeyEvent.VK_END); |
| } else { |
| Util.hitKeys(robot, KeyEvent.VK_CONTROL, KeyEvent.VK_END); |
| } |
| |
| toolkit.realSync(); |
| |
| pos0 = getScrollerViewPosition(); |
| Util.hitKeys(robot, KeyEvent.VK_PAGE_DOWN); |
| toolkit.realSync(); |
| |
| int pos = getScrollerViewPosition(); |
| |
| if (pos0 != pos) { |
| throw new RuntimeException("Failed 6244705: PgDn at the bottom causes scrolling"); |
| } |
| } |
| |
| private static int getTextCaretPosition() throws Exception { |
| final int[] result = new int[1]; |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| result[0] = text.getCaretPosition(); |
| } |
| }); |
| |
| return result[0]; |
| } |
| |
| private static int getTextCaretHeight() throws Exception { |
| final int[] result = new int[1]; |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| try { |
| int pos0 = text.getCaretPosition(); |
| Rectangle dotBounds = text.modelToView(pos0); |
| result[0] = dotBounds.height; |
| } catch (BadLocationException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| }); |
| |
| return result[0]; |
| } |
| |
| private static int getScrollerViewPosition() throws Exception { |
| final int[] result = new int[1]; |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| result[0] = scroller.getViewport().getViewPosition().y; |
| } |
| }); |
| |
| return result[0]; |
| } |
| |
| private static void createAndShowGUI() { |
| frame = new JFrame(); |
| frame.setSize(FRAME_WIDTH, FRAME_HEIGHT); |
| frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| |
| text = new JTextArea(); |
| try { |
| InputStream is = |
| bug4697612.class.getResourceAsStream("bug4697612.txt"); |
| text.read(new InputStreamReader(is), null); |
| } catch (IOException e) { |
| throw new Error(e); |
| } |
| |
| scroller = new JScrollPane(text); |
| |
| frame.getContentPane().add(scroller); |
| |
| frame.pack(); |
| frame.setVisible(true); |
| } |
| } |