/* * Copyright (c) 2002, 2022, 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. */ import java.awt.Point; import java.awt.Rectangle; import java.awt.Robot; import java.awt.event.InputEvent; import java.awt.event.KeyEvent; import java.util.Arrays; import java.util.List; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import java.util.concurrent.atomic.AtomicBoolean; import java.util.concurrent.atomic.AtomicReference; import java.util.stream.Collectors; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JTree; import javax.swing.SwingUtilities; import javax.swing.UIManager; import javax.swing.UIManager.LookAndFeelInfo; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.event.MenuEvent; import javax.swing.event.MenuListener; import static javax.swing.UIManager.getInstalledLookAndFeels; /* * @test * @key headful * @bug 4618767 8292062 * @summary This test confirms that typing a letter while a JTree has focus now makes the selection * not jump to the item whose text starts with that letter if that typed letter is accompanied * by modifier keys such as ALT or CTRL(eg: ALT+F). * @run main JTreeSelectedElementTest */ public class JTreeSelectedElementTest { private static final int FILE_MENU = KeyEvent.VK_F; private static JFrame frame; private static JTree tree; private static Robot robot; private static CountDownLatch menuSelectedEventLatch; public static void main(String[] args) throws Exception { robot = new Robot(); robot.setAutoWaitForIdle(true); robot.setAutoDelay(200); final boolean isMac = System.getProperty("os.name") .toLowerCase() .contains("os x"); List lafs = Arrays.stream(getInstalledLookAndFeels()) .map(LookAndFeelInfo::getClassName) .collect(Collectors.toList()); for (final String laf : lafs) { menuSelectedEventLatch = new CountDownLatch(1); try { AtomicBoolean lafSetSuccess = new AtomicBoolean(false); SwingUtilities.invokeAndWait(() -> { lafSetSuccess.set(setLookAndFeel(laf)); if (lafSetSuccess.get()) { createUI(); } }); if (!lafSetSuccess.get()) { continue; } robot.waitForIdle(); // Select the node named as 'colors' Point pt = getNodeLocation(1); robot.mouseMove(pt.x, pt.y); robot.mousePress(InputEvent.BUTTON1_DOWN_MASK); robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK); // Assertion check to verify that the selected node is 'colors' final String elementSelBefore = getCurrentNodeName(); if (!"colors".equals(elementSelBefore)) { throw new RuntimeException("Test failed for " + laf + " as the tree node selected: " + elementSelBefore + " is not the expected one 'colors'" ); } // Now operate Menu using Mnemonics, different key combinations for different OSes. // For most OSes it's ALT+F; on macOS it's ALT+CNTRL+F. if (isMac) { hitKeys(KeyEvent.VK_ALT, KeyEvent.VK_CONTROL, FILE_MENU); } else { hitKeys(KeyEvent.VK_ALT, FILE_MENU); } // Wait until the menu got selected. if (!menuSelectedEventLatch.await(3, TimeUnit.SECONDS)) { throw new RuntimeException("Waited too long, but can't select menu using mnemonics for " + laf); } hitKeys(KeyEvent.VK_ENTER); String elementSelAfter = getCurrentNodeName(); // As per the fix of BugID 4618767, the tree element selection should not change if (!elementSelBefore.equals(elementSelAfter)) { throw new RuntimeException("Test failed for " + laf + " as tree.getLastSelectedPathComponent() before: " + elementSelBefore + " not same as tree.getLastSelectedPathComponent() after pressing Enter: " + elementSelAfter ); } System.out.println("Test passed for laf: " + laf); } finally { SwingUtilities.invokeAndWait(JTreeSelectedElementTest::disposeFrame); } } } private static void hitKeys(int... keys) { for (int key : keys) { robot.keyPress(key); } for (int i = keys.length - 1; i >= 0; i--) { robot.keyRelease(keys[i]); } } private static String getCurrentNodeName() throws Exception { AtomicReference nodeName = new AtomicReference<>(); SwingUtilities.invokeAndWait(() -> { nodeName.set(tree.getLastSelectedPathComponent().toString().trim()); }); return nodeName.get(); } private static Point getNodeLocation(int rowCount) throws Exception { AtomicReference treeNodeLoc = new AtomicReference<>(); SwingUtilities.invokeAndWait(() -> { final Point locationOnScreen = tree.getLocationOnScreen(); Rectangle rt = tree.getPathBounds(tree.getPathForRow(rowCount)); locationOnScreen.translate(rt.x + rt.width / 2, rt.y + rt.height / 2); treeNodeLoc.set(locationOnScreen); }); return treeNodeLoc.get(); } private static void createUI() { frame = new JFrame(); tree = new JTree(); JMenu menu = new JMenu("File"); menu.setMnemonic(FILE_MENU); JMenuItem menuItem = new JMenuItem("Dummy"); menu.add(menuItem); menu.addMenuListener(new MenuListener() { @Override public void menuSelected(MenuEvent e) { menuSelectedEventLatch.countDown(); } @Override public void menuDeselected(MenuEvent e) { } @Override public void menuCanceled(MenuEvent e) { } }); JMenuBar menuBar = new JMenuBar(); menuBar.add(menu); frame.setJMenuBar(menuBar); frame.setContentPane(tree); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); frame.pack(); frame.setAlwaysOnTop(true); frame.setLocationRelativeTo(null); frame.setVisible(true); } private static boolean setLookAndFeel(String lafName) { try { UIManager.setLookAndFeel(lafName); } catch (UnsupportedLookAndFeelException ignored) { System.out.println("Ignoring Unsupported L&F: " + lafName); return false; } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) { throw new RuntimeException(e); } return true; } private static void disposeFrame() { if (frame != null) { frame.dispose(); frame = null; } } }