/* * Copyright (c) 2003, 2008, 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 java.awt.*; import java.util.HashMap; import java.awt.event.KeyEvent; import java.lang.reflect.*; import sun.awt.AWTAccessor; 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 XConstants.ClientMessage: handleClientMessage(xev); break; } } void forwardKeyEvent(long child, KeyEvent e) { byte[] bdata = AWTAccessor.getAWTEventAccessor().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, XConstants.NoEventMask, data); } finally { XToolkit.awtUnlock(); } XlibWrapper.unsafe.freeMemory(data); } }