1 /*
   2  * Copyright (c) 1999, 2000, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.awt.windows;
  27 
  28 import java.awt.*;
  29 import sun.awt.GlobalCursorManager;
  30 
  31 public final class WGlobalCursorManager extends GlobalCursorManager {
  32     private static WGlobalCursorManager manager;
  33 
  34     public static GlobalCursorManager getCursorManager() {
  35         if (manager == null) {
  36             manager = new WGlobalCursorManager();
  37         }
  38         return manager;
  39     }
  40 
  41     /**
  42      * Should be called in response to a native mouse enter or native mouse
  43      * button released message. Should not be called during a mouse drag.
  44      */
  45     public static void nativeUpdateCursor(Component heavy) {
  46         WGlobalCursorManager.getCursorManager().updateCursorLater(heavy);
  47     }
  48 
  49     protected native void setCursor(Component comp, Cursor cursor, boolean u);
  50     protected native void getCursorPos(Point p);
  51     protected native Component findComponentAt(Container con, int x, int y);
  52     /*
  53      * two native methods to call corresponding methods in Container and
  54      * Component
  55      */
  56     protected native Component findHeavyweightUnderCursor(boolean useCache);
  57     protected native Point getLocationOnScreen(Component com);
  58 }