LWToolkit.java revision 6323
5990N/A * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. 4632N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4632N/A * This code is free software; you can redistribute it and/or modify it 4632N/A * under the terms of the GNU General Public License version 2 only, as 4632N/A * published by the Free Software Foundation. Oracle designates this 4632N/A * particular file as subject to the "Classpath" exception as provided 4632N/A * by Oracle in the LICENSE file that accompanied this code. 4632N/A * This code is distributed in the hope that it will be useful, but WITHOUT 4632N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 4632N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 4632N/A * version 2 for more details (a copy is included in the LICENSE file that 4632N/A * You should have received a copy of the GNU General Public License version 4632N/A * 2 along with this work; if not, write to the Free Software Foundation, 4632N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 4632N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 4632N/A * or visit www.oracle.com if you need additional information or have any 4632N/A * This method is called by subclasses to start this toolkit 4632N/A * by launching the message loop. 4632N/A * This method waits for the toolkit to be completely initialized 4632N/A * and returns before the message pump is started. 4632N/A * Implemented in subclasses to initialize platform-dependent 4632N/A * part of the toolkit (open X display connection, create 4632N/A * This method is called on the toolkit thread. 4632N/A * Sends a request to stop the message pump. 4632N/A * Implemented in subclasses to release all the platform- 4632N/A * dependent resources. Called after the message loop is 4632N/A * Could be called (always called?) on a non-toolkit thread. 4632N/A * Implemented in subclasses to release all the platform 4632N/A * resources before the application is terminated. 4632N/A * This method is called on the toolkit thread. 4632N/A //XXX: if there isn't native code on the stack, the VM just 4632N/A //kills the thread right away. Do we expect to catch it 4632N/A //XXX: if that's a secondary loop, jump back to the STATE_MESSAGELOOP 4632N/A * Process the next message(s) from the native event queue. 4632N/A * Initially, all the LWToolkit implementations were supposed 4632N/A * to have the similar message loop sequence: check if any events 4632N/A * available, peek events, wait. However, the later analysis shown 4632N/A * that X11 and Windows implementations are really different, so 4632N/A * let the subclasses do whatever they require. 4632N/A // ---- TOPLEVEL PEERS ---- // 4632N/A * Note that LWWindowPeer implements WindowPeer, FramePeer 4632N/A * and DialogPeer interfaces. 4632N/A // ---- LIGHTWEIGHT COMPONENT PEERS ---- // 4632N/A // ---- NON-COMPONENT PEERS ---- // 4632N/A * Creates a delegate for the given peer type (window, frame, dialog, etc.) 4632N/A // ---- UTILITY METHODS ---- // 4632N/A * Expose non-public targetToPeer() method. 4632N/A * Expose non-public targetDisposedPeer() method. 4632N/A * Returns the current cursor manager. 4639N/A // use peer's back buffer to implement non-opaque windows.