src/solaris/classes/sun/awt/X11/XDragSourceProtocol.java

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   1 /*
   2  * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 164     /* The caller must hold AWT_LOCK. */
 165     public abstract void sendEnterMessage(long[] formats, int sourceAction,
 166                                           int sourceActions, long time);
 167     /* The caller must hold AWT_LOCK. */
 168     public abstract void sendMoveMessage(int xRoot, int yRoot,
 169                                          int sourceAction, int sourceActions,
 170                                          long time);
 171     /* The caller must hold AWT_LOCK. */
 172     public abstract void sendLeaveMessage(long time);
 173 
 174     /* The caller must hold AWT_LOCK. */
 175     protected abstract void sendDropMessage(int xRoot, int yRoot,
 176                                             int sourceAction, int sourceActions,
 177                                             long time);
 178 
 179     public final void initiateDrop(int xRoot, int yRoot,
 180                                    int sourceAction, int sourceActions,
 181                                    long time) {
 182         XWindowAttributes wattr = new XWindowAttributes();
 183         try {
 184             XToolkit.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance());
 185             int status = XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(),
 186                                                           targetWindow, wattr.pData);
 187 
 188             XToolkit.RESTORE_XERROR_HANDLER();
 189 
 190             if (status == 0 ||
 191                 (XToolkit.saved_error != null &&
 192                  XToolkit.saved_error.get_error_code() != XConstants.Success)) {
 193                 throw new XException("XGetWindowAttributes failed");
 194             }
 195 
 196             targetWindowMask = wattr.get_your_event_mask();
 197         } finally {
 198             wattr.dispose();
 199         }
 200 
 201         XToolkit.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance());
 202         XlibWrapper.XSelectInput(XToolkit.getDisplay(), targetWindow,
 203                                  targetWindowMask |
 204                                  XConstants.StructureNotifyMask);
 205 
 206         XToolkit.RESTORE_XERROR_HANDLER();
 207 
 208         if (XToolkit.saved_error != null &&
 209             XToolkit.saved_error.get_error_code() != XConstants.Success) {
 210             throw new XException("XSelectInput failed");
 211         }
 212 
 213         sendDropMessage(xRoot, yRoot, sourceAction, sourceActions, time);
 214     }
 215 
 216     protected final void finalizeDrop() {
 217         XToolkit.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance());
 218         XlibWrapper.XSelectInput(XToolkit.getDisplay(), targetWindow,
 219                                  targetWindowMask);
 220         XToolkit.RESTORE_XERROR_HANDLER();
 221     }
 222 
 223     public abstract boolean processProxyModeEvent(XClientMessageEvent xclient,
 224                                                   long sourceWindow);
 225 
 226     protected final long getTargetWindow() {
 227         return targetWindow;
 228     }
 229 
 230     protected final long getTargetProxyWindow() {
 231         if (targetProxyWindow != 0) {
 232             return targetProxyWindow;
 233         } else {
 234             return targetWindow;
 235         }
 236     }
 237 
 238     protected final int getTargetProtocolVersion() {
 239         return targetProtocolVersion;
 240     }
   1 /*
   2  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 164     /* The caller must hold AWT_LOCK. */
 165     public abstract void sendEnterMessage(long[] formats, int sourceAction,
 166                                           int sourceActions, long time);
 167     /* The caller must hold AWT_LOCK. */
 168     public abstract void sendMoveMessage(int xRoot, int yRoot,
 169                                          int sourceAction, int sourceActions,
 170                                          long time);
 171     /* The caller must hold AWT_LOCK. */
 172     public abstract void sendLeaveMessage(long time);
 173 
 174     /* The caller must hold AWT_LOCK. */
 175     protected abstract void sendDropMessage(int xRoot, int yRoot,
 176                                             int sourceAction, int sourceActions,
 177                                             long time);
 178 
 179     public final void initiateDrop(int xRoot, int yRoot,
 180                                    int sourceAction, int sourceActions,
 181                                    long time) {
 182         XWindowAttributes wattr = new XWindowAttributes();
 183         try {
 184             XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance());
 185             int status = XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(),
 186                                                           targetWindow, wattr.pData);
 187 
 188             XErrorHandlerUtil.RESTORE_XERROR_HANDLER();
 189 
 190             if ((status == 0) ||
 191                 ((XErrorHandlerUtil.saved_error != null) &&
 192                 (XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success))) {
 193                 throw new XException("XGetWindowAttributes failed");
 194             }
 195 
 196             targetWindowMask = wattr.get_your_event_mask();
 197         } finally {
 198             wattr.dispose();
 199         }
 200 
 201         XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance());
 202         XlibWrapper.XSelectInput(XToolkit.getDisplay(), targetWindow,
 203                                  targetWindowMask |
 204                                  XConstants.StructureNotifyMask);
 205 
 206         XErrorHandlerUtil.RESTORE_XERROR_HANDLER();
 207 
 208         if ((XErrorHandlerUtil.saved_error != null) &&
 209             (XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
 210             throw new XException("XSelectInput failed");
 211         }
 212 
 213         sendDropMessage(xRoot, yRoot, sourceAction, sourceActions, time);
 214     }
 215 
 216     protected final void finalizeDrop() {
 217         XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance());
 218         XlibWrapper.XSelectInput(XToolkit.getDisplay(), targetWindow,
 219                                  targetWindowMask);
 220         XErrorHandlerUtil.RESTORE_XERROR_HANDLER();
 221     }
 222 
 223     public abstract boolean processProxyModeEvent(XClientMessageEvent xclient,
 224                                                   long sourceWindow);
 225 
 226     protected final long getTargetWindow() {
 227         return targetWindow;
 228     }
 229 
 230     protected final long getTargetProxyWindow() {
 231         if (targetProxyWindow != 0) {
 232             return targetProxyWindow;
 233         } else {
 234             return targetWindow;
 235         }
 236     }
 237 
 238     protected final int getTargetProtocolVersion() {
 239         return targetProtocolVersion;
 240     }