8068283: Mac OS Incompatibility between JDK 6 and 8 regarding input method handling

Reviewed-by: ant, kizune

src/macosx/native/sun/awt/AWTView.m

@@ -889,9 +889,9 @@ JNF_CLASS_CACHE(jc_CInputMethod, "sun/lwawt/macosx/CInputMethod");
     // text, or 'text in progress'.  We also need to send the event if we get an insert text out of the blue!
     // (i.e., when the user uses the Character palette or Inkwell), or when the string to insert is a complex
     // Unicode value.
-    NSUInteger utf8Length = [aString lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+    NSUInteger utf16Length = [aString lengthOfBytesUsingEncoding:NSUTF16StringEncoding];
 
-    if ([self hasMarkedText] || !fProcessingKeystroke || (utf8Length > 1)) {
+    if ([self hasMarkedText] || !fProcessingKeystroke || (utf16Length > 2)) {
         JNIEnv *env = [ThreadUtilities getJNIEnv];
 
         static JNF_MEMBER_CACHE(jm_selectPreviousGlyph, jc_CInputMethod, "selectPreviousGlyph", "()V");

test/java/awt/event/KeyEvent/AltCharAcceleratorTest/AltCharAcceleratorTest.java

+/*
+ * Copyright (c) 2015, 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 8068283
+@summary Checks that <Alt>+Char accelerators work when pressed in a text component
+@author Anton Nashatyrev
+@run main AltCharAcceleratorTest
+*/
+
+import sun.awt.SunToolkit;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+public class AltCharAcceleratorTest {
+
+    boolean action1 = false;
+    boolean action2 = false;
+
+    CountDownLatch focusLatch = new CountDownLatch(1);
+    CountDownLatch actionLatch = new CountDownLatch(2);
+
+    public AltCharAcceleratorTest() throws Exception {
+        SwingUtilities.invokeAndWait(new Runnable() {
+            @Override
+            public void run() {
+                JFrame f = new JFrame("frame");
+                final JTextField t = new JTextField();
+                JMenuBar mb = new JMenuBar();
+                JMenu m1 = new JMenu("File");
+                JMenuItem i1 = new JMenuItem("Save");
+                JMenuItem i2 = new JMenuItem("Load");
+
+                i1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, KeyEvent.ALT_MASK));
+                i2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, KeyEvent.ALT_MASK));
+
+                i1.addActionListener(new ActionListener() {
+                    @Override
+                    public void actionPerformed(ActionEvent e) {
+                        System.out.println("Action1!");
+                        action1 = true;
+                        actionLatch.countDown();
+                    }
+                });
+
+                i2.addActionListener(new ActionListener() {
+                    @Override
+                    public void actionPerformed(ActionEvent e) {
+                        System.out.println("Action2!");
+                        action2 = true;
+                        actionLatch.countDown();
+                    }
+                });
+
+                t.addFocusListener(new FocusAdapter() {
+                    @Override
+                    public void focusGained(FocusEvent e) {
+                        System.out.println("Focused!");
+                        focusLatch.countDown();
+                    }
+                });
+
+                t.setColumns(10);
+                t.requestFocusInWindow();
+
+                f.setJMenuBar(mb);
+                mb.add(m1);
+                m1.add(i1);
+                m1.add(i2);
+
+                f.setLayout(new FlowLayout());
+                f.add(t);
+                f.setSize(200, 200);
+
+                f.setVisible(true);
+            }
+        });
+    }
+
+    void test() throws Exception {
+        ((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
+
+        focusLatch.await(5, TimeUnit.SECONDS);
+
+        Robot robot = new Robot();
+        robot.setAutoDelay(100);
+
+        robot.keyPress(KeyEvent.VK_ALT);
+        robot.keyPress(KeyEvent.VK_T);
+        robot.keyRelease(KeyEvent.VK_T);
+        robot.keyRelease(KeyEvent.VK_ALT);
+
+        robot.keyPress(KeyEvent.VK_ALT);
+        robot.keyPress(KeyEvent.VK_F);
+        robot.keyRelease(KeyEvent.VK_F);
+        robot.keyRelease(KeyEvent.VK_ALT);
+
+        actionLatch.await(5, TimeUnit.SECONDS);
+
+        if (!action1 || !action2) {
+            throw new RuntimeException("Actions not performed");
+        }
+
+        System.out.println("Passed.");
+    }
+
+    public static void main(String[] args) throws Exception {
+        AltCharAcceleratorTest t = new AltCharAcceleratorTest();
+        t.test();
+    }
+}
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