jdk/src/solaris/classes/sun/awt/X11/XCustomCursor.java
changeset 2 90ce3da70b43
child 439 3488710b02f8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/awt/X11/XCustomCursor.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2003-2007 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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
+ */
+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) (XlibWrapper.DoRed | XlibWrapper.DoGreen | XlibWrapper.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) (XlibWrapper.DoRed | XlibWrapper.DoGreen | XlibWrapper.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();
+        }
+
+    }
+}