| /* |
| * Copyright (c) 2011, 2013, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package sun.lwawt.macosx; |
| |
| import sun.lwawt.LWCursorManager; |
| |
| import java.awt.Cursor; |
| import java.awt.Point; |
| import java.awt.geom.Point2D; |
| |
| final class CCursorManager extends LWCursorManager { |
| |
| private static native Point2D nativeGetCursorPosition(); |
| private static native void nativeSetBuiltInCursor(final int type, final String name); |
| private static native void nativeSetCustomCursor(final long imgPtr, final double x, final double y); |
| public static native void nativeSetAllowsCursorSetInBackground(final boolean allows); |
| |
| private static final int NAMED_CURSOR = -1; |
| |
| private static final CCursorManager theInstance = new CCursorManager(); |
| public static CCursorManager getInstance() { |
| return theInstance; |
| } |
| |
| private volatile Cursor currentCursor; |
| |
| private CCursorManager() { } |
| |
| @Override |
| protected Point getCursorPosition() { |
| final Point2D nativePosition = nativeGetCursorPosition(); |
| return new Point((int)nativePosition.getX(), (int)nativePosition.getY()); |
| } |
| |
| @Override |
| protected void setCursor(final Cursor cursor) { |
| if (cursor == currentCursor) { |
| return; |
| } |
| currentCursor = cursor; |
| |
| if (cursor == null) { |
| nativeSetBuiltInCursor(Cursor.DEFAULT_CURSOR, null); |
| return; |
| } |
| |
| if (cursor instanceof CCustomCursor) { |
| final CCustomCursor customCursor = (CCustomCursor) cursor; |
| final long imagePtr = customCursor.getImageData(); |
| if (imagePtr != 0L) { |
| final Point hotSpot = customCursor.getHotSpot(); |
| nativeSetCustomCursor(imagePtr, hotSpot.x, hotSpot.y); |
| } |
| return; |
| } |
| |
| final int type = cursor.getType(); |
| if (type != Cursor.CUSTOM_CURSOR) { |
| nativeSetBuiltInCursor(type, null); |
| return; |
| } |
| |
| final String name = cursor.getName(); |
| if (name != null) { |
| nativeSetBuiltInCursor(NAMED_CURSOR, name); |
| return; |
| } |
| |
| // do something special |
| throw new RuntimeException("Unimplemented"); |
| } |
| } |