| /* |
| * Copyright (c) 2003, 2014, 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.awt.X11; |
| |
| import sun.awt.X11CustomCursor; |
| import java.awt.*; |
| |
| /** |
| * A class to encapsulate a custom image-based cursor. |
| * |
| * @see Component#setCursor |
| * @author Thomas Ball |
| * @author Bino George |
| */ |
| @SuppressWarnings("serial") // JDK-implementation class |
| public class XCustomCursor extends X11CustomCursor { |
| |
| public XCustomCursor(Image cursor, Point hotSpot, String name) |
| throws IndexOutOfBoundsException { |
| super(cursor, hotSpot, name); |
| } |
| |
| /** |
| * Returns the supported cursor size |
| */ |
| static Dimension getBestCursorSize(int preferredWidth, int preferredHeight) { |
| |
| // Fix for bug 4212593 The Toolkit.createCustomCursor does not |
| // check absence of the image of cursor |
| // We use XQueryBestCursor which accepts unsigned ints to obtain |
| // the largest cursor size that could be dislpayed |
| //Dimension d = new Dimension(Math.abs(preferredWidth), Math.abs(preferredHeight)); |
| Dimension d; |
| |
| XToolkit.awtLock(); |
| try { |
| long display = XToolkit.getDisplay(); |
| long root_window = XlibWrapper.RootWindow(display, |
| XlibWrapper.DefaultScreen(display)); |
| |
| XlibWrapper.XQueryBestCursor(display,root_window, Math.abs(preferredWidth),Math.abs(preferredHeight),XlibWrapper.larg1,XlibWrapper.larg2); |
| d = new Dimension(XlibWrapper.unsafe.getInt(XlibWrapper.larg1),XlibWrapper.unsafe.getInt(XlibWrapper.larg2)); |
| } |
| finally { |
| XToolkit.awtUnlock(); |
| } |
| return d; |
| } |
| |
| protected void createCursor(byte[] xorMask, byte[] andMask, |
| int width, int height, |
| int fcolor, int bcolor, |
| int xHotSpot, int yHotSpot) |
| { |
| XToolkit.awtLock(); |
| try { |
| long display = XToolkit.getDisplay(); |
| long root_window = XlibWrapper.RootWindow(display, |
| XlibWrapper.DefaultScreen(display)); |
| |
| long colormap = XToolkit.getDefaultXColormap(); |
| XColor fore_color = new XColor(); |
| |
| fore_color.set_flags((byte) (XConstants.DoRed | XConstants.DoGreen | XConstants.DoBlue)); |
| fore_color.set_red((short)(((fcolor >> 16) & 0x000000ff) << 8)); |
| fore_color.set_green((short) (((fcolor >> 8) & 0x000000ff) << 8)); |
| fore_color.set_blue((short)(((fcolor >> 0) & 0x000000ff) << 8)); |
| |
| XlibWrapper.XAllocColor(display,colormap,fore_color.pData); |
| |
| |
| XColor back_color = new XColor(); |
| back_color.set_flags((byte) (XConstants.DoRed | XConstants.DoGreen | XConstants.DoBlue)); |
| |
| back_color.set_red((short) (((bcolor >> 16) & 0x000000ff) << 8)); |
| back_color.set_green((short) (((bcolor >> 8) & 0x000000ff) << 8)); |
| back_color.set_blue((short) (((bcolor >> 0) & 0x000000ff) << 8)); |
| |
| XlibWrapper.XAllocColor(display,colormap,back_color.pData); |
| |
| |
| long nativeXorMask = Native.toData(xorMask); |
| long source = XlibWrapper.XCreateBitmapFromData(display,root_window,nativeXorMask,width,height); |
| |
| long nativeAndMask = Native.toData(andMask); |
| long mask = XlibWrapper.XCreateBitmapFromData(display,root_window,nativeAndMask,width,height); |
| |
| long cursor = XlibWrapper.XCreatePixmapCursor(display,source,mask,fore_color.pData,back_color.pData,xHotSpot,yHotSpot); |
| |
| XlibWrapper.unsafe.freeMemory(nativeXorMask); |
| XlibWrapper.unsafe.freeMemory(nativeAndMask); |
| XlibWrapper.XFreePixmap(display,source); |
| XlibWrapper.XFreePixmap(display,mask); |
| back_color.dispose(); |
| fore_color.dispose(); |
| |
| XGlobalCursorManager.setPData(this,cursor); |
| } |
| finally { |
| XToolkit.awtUnlock(); |
| } |
| |
| } |
| } |