7124404: [macosx] no awt.multiClickInterval desktop property

Reviewed-by: dmarkov

src/java.desktop/macosx/classes/sun/lwawt/macosx/LWCToolkit.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, 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
@@ -444,6 +444,7 @@ public final class LWCToolkit extends LWToolkit {
         fontHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
         desktopProperties.put(SunToolkit.DESKTOPFONTHINTS, fontHints);
         desktopProperties.put("awt.mouse.numButtons", BUTTONS);
+        desktopProperties.put("awt.multiClickInterval", getMultiClickTime());
 
         // These DnD properties must be set, otherwise Swing ends up spewing NPEs
         // all over the place. The values came straight off of MToolkit.
@@ -538,6 +539,11 @@ public final class LWCToolkit extends LWToolkit {
         return BUTTONS;
     }
 
+    /**
+     * Returns the double-click time interval in ms.
+     */
+    private static native int getMultiClickTime();
+
     @Override
     public boolean isTraySupported() {
         return true;

src/java.desktop/macosx/native/libawt_lwawt/awt/LWCToolkit.m

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, 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
@@ -831,3 +831,19 @@ Java_sun_awt_PlatformGraphicsInfo_isInAquaSession
     }
     return JNI_FALSE;
 }
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    getMultiClickTime
+ * Signature: ()I
+ */
+JNIEXPORT jint JNICALL
+Java_sun_lwawt_macosx_LWCToolkit_getMultiClickTime(JNIEnv *env, jclass klass) {
+    __block jint multiClickTime = 0;
+    JNF_COCOA_ENTER(env);
+    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
+        multiClickTime = (jint)([NSEvent doubleClickInterval] * 1000);
+    }];
+    JNF_COCOA_EXIT(env);
+    return multiClickTime;
+}

test/jdk/java/awt/Toolkit/GetMulticlickTime/GetMulticlickTime.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2002, 2019, 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.Toolkit;
+
+/**
+ * @test
+ * @key headful
+ * @bug 4559047 7124404
+ * @summary Solaris/Linux/macOS do not set awt.multiClickInterval desktop property
+ */
+public final class GetMulticlickTime {
+
+    public static void main(final String[] args) {
+        Integer time = (Integer) Toolkit.getDefaultToolkit()
+                                        .getDesktopProperty("awt.multiClickInterval");
+        if (time == null || time <= 0 || time > 30_000) {
+            throw new RuntimeException("awt.multiClickInterval:" + time);
+        }
+    }
+}