| /* |
| * 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 java.awt.*; |
| import java.util.HashMap; |
| import java.awt.event.KeyEvent; |
| import java.lang.reflect.*; |
| import sun.awt.SunToolkit; |
| |
| public class XEmbeddingContainer extends XEmbedHelper implements XEventDispatcher { |
| HashMap children = new HashMap(); |
| |
| XEmbeddingContainer() { |
| } |
| |
| XWindow embedder; |
| void install(XWindow embedder) { |
| this.embedder = embedder; |
| XToolkit.addEventDispatcher(embedder.getWindow(), this); |
| } |
| void deinstall() { |
| XToolkit.removeEventDispatcher(embedder.getWindow(), this); |
| } |
| |
| void add(long child) { |
| if (checkXEmbed(child)) { |
| Component proxy = createChildProxy(child); |
| ((Container)embedder.getTarget()).add("Center", proxy); |
| if (proxy.getPeer() != null) { |
| children.put(Long.valueOf(child), proxy.getPeer()); |
| } |
| } |
| } |
| |
| Component createChildProxy(long child) { |
| return new XEmbedChildProxy(this, child); |
| } |
| void notifyChildEmbedded(long child) { |
| sendMessage(child, XEMBED_EMBEDDED_NOTIFY, embedder.getWindow(), XEMBED_VERSION, 0); |
| } |
| |
| void childResized(Component child) { |
| } |
| |
| boolean checkXEmbed(long child) { |
| long data = unsafe.allocateMemory(8); |
| try { |
| if (XEmbedInfo.getAtomData(child, data, 2)) { |
| int protocol = unsafe.getInt(data); |
| int flags = unsafe.getInt(data); |
| return true; |
| } |
| } finally { |
| unsafe.freeMemory(data); |
| } |
| return false; |
| } |
| |
| void detachChild(long child) { |
| // The embedder can unmap the client and reparent the client window |
| // to the root window. If the client receives an ReparentNotify |
| // event, it should check the parent field of the XReparentEvent |
| // structure. If this is the root window of the window's screen, then |
| // the protocol is finished and there is no further interaction. If |
| // it is a window other than the root window, then the protocol |
| // continues with the new parent acting as the embedder window. |
| XToolkit.awtLock(); |
| try { |
| XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), child); |
| XlibWrapper.XReparentWindow(XToolkit.getDisplay(), child, XToolkit.getDefaultRootWindow(), 0, 0); |
| } |
| finally { |
| XToolkit.awtUnlock(); |
| } |
| } |
| |
| void focusGained(long child) { |
| sendMessage(child, XEMBED_FOCUS_IN, XEMBED_FOCUS_CURRENT, 0, 0); |
| } |
| void focusLost(long child) { |
| sendMessage(child, XEMBED_FOCUS_OUT); |
| } |
| |
| XEmbedChildProxyPeer getChild(long child) { |
| return (XEmbedChildProxyPeer)children.get(Long.valueOf(child)); |
| } |
| public void handleClientMessage(XEvent xev) { |
| XClientMessageEvent msg = xev.get_xclient(); |
| if (msg.get_message_type() == XEmbed.getAtom()) { |
| switch ((int)msg.get_data(1)) { |
| case XEMBED_REQUEST_FOCUS: |
| long child = msg.get_data(2); // Unspecified |
| getChild(child).requestXEmbedFocus(); |
| break; |
| } |
| } |
| } |
| public void dispatchEvent(XEvent xev) { |
| switch(xev.get_type()) { |
| case XlibWrapper.ClientMessage: |
| handleClientMessage(xev); |
| break; |
| } |
| } |
| |
| static Field bdata; |
| byte[] getBData(KeyEvent e) { |
| try { |
| if (bdata == null) { |
| bdata = SunToolkit.getField(java.awt.AWTEvent.class, "bdata"); |
| } |
| return (byte[])bdata.get(e); |
| } catch (IllegalAccessException ex) { |
| return null; |
| } |
| } |
| |
| void forwardKeyEvent(long child, KeyEvent e) { |
| byte[] bdata = getBData(e); |
| long data = Native.toData(bdata); |
| if (data == 0) { |
| return; |
| } |
| XKeyEvent ke = new XKeyEvent(data); |
| ke.set_window(child); |
| XToolkit.awtLock(); |
| try { |
| XlibWrapper.XSendEvent(XToolkit.getDisplay(), child, false, XlibWrapper.NoEventMask, data); |
| } |
| finally { |
| XToolkit.awtUnlock(); |
| } |
| XlibWrapper.unsafe.freeMemory(data); |
| } |
| } |