8130655: OS X: keyboard input in textfield is not possible if the window...

8130655: OS X: keyboard input in textfield is not possible if the window contained textfield is owned by EmbeddedFrame
Reviewed-by: serb, aivanov

src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

@@ -1197,6 +1197,21 @@ public class CPlatformWindow extends CFRetainedResource implements PlatformWindo
         }
     }
 
+    private Window getOwnerFrameOrDialog(Window window) {
+        Window owner = window.getOwner();
+        while (owner != null && !(owner instanceof Frame || owner instanceof Dialog)) {
+            owner = owner.getOwner();
+        }
+        return owner;
+    }
+
+    private boolean isSimpleWindowOwnedByEmbeddedFrame() {
+        if (peer != null && peer.isSimpleWindow()) {
+            return (getOwnerFrameOrDialog(target) instanceof CEmbeddedFrame);
+        }
+        return false;
+    }
+
     // ----------------------------------------------------------------------
     //                          NATIVE CALLBACKS
     // ----------------------------------------------------------------------

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

@@ -477,6 +477,20 @@ AWT_ASSERT_APPKIT_THREAD;
     return isBlocked;
 }
 
+- (BOOL) isSimpleWindowOwnedByEmbeddedFrame {
+    BOOL isSimpleWindowOwnedByEmbeddedFrame = NO;
+
+    JNIEnv *env = [ThreadUtilities getJNIEnv];
+    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
+    if (platformWindow != NULL) {
+        static JNF_MEMBER_CACHE(jm_isBlocked, jc_CPlatformWindow, "isSimpleWindowOwnedByEmbeddedFrame", "()Z");
+        isSimpleWindowOwnedByEmbeddedFrame = JNFCallBooleanMethod(env, platformWindow, jm_isBlocked) == JNI_TRUE ? YES : NO;
+        (*env)->DeleteLocalRef(env, platformWindow);
+    }
+
+    return isSimpleWindowOwnedByEmbeddedFrame;
+}
+
 // Tests whether the corresponding Java platform window is visible or not
 + (BOOL) isJavaPlatformWindowVisible:(NSWindow *)window {
     BOOL isVisible = NO;
@@ -543,7 +557,7 @@ AWT_ASSERT_APPKIT_THREAD;
 // NSWindow overrides
 - (BOOL) canBecomeKeyWindow {
 AWT_ASSERT_APPKIT_THREAD;
-    return self.isEnabled && IS(self.styleBits, SHOULD_BECOME_KEY);
+    return self.isEnabled && (IS(self.styleBits, SHOULD_BECOME_KEY) || [self isSimpleWindowOwnedByEmbeddedFrame]);
 }
 
 - (BOOL) canBecomeMainWindow {

test/java/awt/Window/WindowOwnedByEmbeddedFrameTest/WindowOwnedByEmbeddedFrameTest.java

+/*
+ * Copyright (c) 2018, 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 8130655
+ * @summary Tests that window owned by EmbeddedFrame can receive keyboard input
+ * @requires (os.family == "mac")
+ * @library ../../regtesthelpers
+ * @build Util
+ * @run main WindowOwnedByEmbeddedFrameTest
+ */
+
+import sun.awt.EmbeddedFrame;
+
+import java.awt.Robot;
+import java.awt.TextField;
+import java.awt.Window;
+import java.awt.event.KeyEvent;
+
+import test.java.awt.regtesthelpers.Util;
+
+public class WindowOwnedByEmbeddedFrameTest {
+    private static TextField textField;
+    private static EmbeddedFrame embeddedFrame;
+    private static Window window;
+
+    public static void main(String[] args) {
+        try {
+            Robot robot = Util.createRobot();
+            robot.setAutoDelay(50);
+
+            embeddedFrame = createEmbeddedFrame();
+
+            textField = new TextField("");
+
+            window = new Window(embeddedFrame);
+            window.setSize(200, 200);
+            window.setLocationRelativeTo(null);
+            window.add(textField);
+            window.setVisible(true);
+
+            Util.waitForIdle(robot);
+
+            Util.clickOnComp(textField, robot);
+            Util.waitForIdle(robot);
+
+            robot.keyPress(KeyEvent.VK_T);
+            robot.keyRelease(KeyEvent.VK_T);
+            Util.waitForIdle(robot);
+
+            robot.keyPress(KeyEvent.VK_E);
+            robot.keyRelease(KeyEvent.VK_E);
+            Util.waitForIdle(robot);
+
+            robot.keyPress(KeyEvent.VK_S);
+            robot.keyRelease(KeyEvent.VK_S);
+            Util.waitForIdle(robot);
+
+            robot.keyPress(KeyEvent.VK_T);
+            robot.keyRelease(KeyEvent.VK_T);
+            Util.waitForIdle(robot);
+
+            if ("".equals(textField.getText())) {
+                throw new RuntimeException("Keyboard input in text field isn't possible");
+            }
+        } finally {
+            if (embeddedFrame != null) {
+                embeddedFrame.dispose();
+            }
+            if (window != null) {
+                window.dispose();
+            }
+        }
+    }
+
+    private static EmbeddedFrame createEmbeddedFrame() {
+        try {
+            return (EmbeddedFrame) Class.forName("sun.lwawt.macosx.CEmbeddedFrame").newInstance();
+        } catch (Exception e) {
+            throw new RuntimeException("Cannot create EmbeddedFrame", e);
+        }
+    }
+}
+