| author | mchung |
| Tue, 29 Sep 2009 16:03:03 -0700 | |
| changeset 3938 | ef327bd847c0 |
| parent 2802 | d05a9dcc8296 |
| child 5506 | 202f599c92aa |
| permissions | -rw-r--r-- |
| 2 | 1 |
/* |
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* Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package sun.awt.X11; |
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import java.awt.Point; |
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import java.awt.dnd.DnDConstants; |
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import java.awt.event.MouseEvent; |
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import java.io.IOException; |
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6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
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import sun.util.logging.PlatformLogger; |
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import sun.misc.Unsafe; |
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/** |
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* XDropTargetProtocol implementation for XDnD protocol. |
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* |
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* @since 1.5 |
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*/ |
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class XDnDDropTargetProtocol extends XDropTargetProtocol {
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3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
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private static final PlatformLogger logger = |
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ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
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PlatformLogger.getLogger("sun.awt.X11.xembed.xdnd.XDnDDropTargetProtocol");
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private static final Unsafe unsafe = XlibWrapper.unsafe; |
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private long sourceWindow = 0; |
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private long sourceWindowMask = 0; |
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private int sourceProtocolVersion = 0; |
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private int sourceActions = DnDConstants.ACTION_NONE; |
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private long[] sourceFormats = null; |
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private boolean trackSourceActions = false; |
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private int userAction = DnDConstants.ACTION_NONE; |
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private int sourceX = 0; |
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private int sourceY = 0; |
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private XWindow targetXWindow = null; |
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// XEmbed stuff. |
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private long prevCtxt = 0; |
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private boolean overXEmbedClient = false; |
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protected XDnDDropTargetProtocol(XDropTargetProtocolListener listener) {
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super(listener); |
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} |
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/** |
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* Creates an instance associated with the specified listener. |
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* |
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* @throws NullPointerException if listener is <code>null</code>. |
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*/ |
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static XDropTargetProtocol createInstance(XDropTargetProtocolListener listener) {
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return new XDnDDropTargetProtocol(listener); |
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} |
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public String getProtocolName() {
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return XDragAndDropProtocols.XDnD; |
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} |
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public void registerDropTarget(long window) {
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assert XToolkit.isAWTLockHeldByCurrentThread(); |
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long data = Native.allocateLongArray(1); |
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try {
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Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION); |
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XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
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XDnDConstants.XA_XdndAware.setAtomData(window, XAtom.XA_ATOM, data, 1); |
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XToolkit.RESTORE_XERROR_HANDLER(); |
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if (XToolkit.saved_error != null && |
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439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
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XToolkit.saved_error.get_error_code() != XConstants.Success) {
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throw new XException("Cannot write XdndAware property");
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} |
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} finally {
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unsafe.freeMemory(data); |
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data = 0; |
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} |
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} |
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public void unregisterDropTarget(long window) {
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assert XToolkit.isAWTLockHeldByCurrentThread(); |
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XDnDConstants.XA_XdndAware.DeleteProperty(window); |
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} |
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public void registerEmbedderDropSite(long embedder) {
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assert XToolkit.isAWTLockHeldByCurrentThread(); |
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boolean overriden = false; |
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int version = 0; |
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long proxy = 0; |
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long newProxy = XDropTargetRegistry.getDnDProxyWindow(); |
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int status = 0; |
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WindowPropertyGetter wpg1 = |
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new WindowPropertyGetter(embedder, XDnDConstants.XA_XdndAware, 0, 1, |
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3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
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false, XConstants.AnyPropertyType); |
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try {
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2802
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art
parents:
439
diff
changeset
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125 |
status = wpg1.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 126 |
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439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
127 |
if (status == XConstants.Success && |
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wpg1.getData() != 0 && wpg1.getActualType() == XAtom.XA_ATOM) {
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overriden = true; |
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version = (int)Native.getLong(wpg1.getData()); |
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} |
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} finally {
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wpg1.dispose(); |
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} |
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/* XdndProxy is not supported for prior to XDnD version 4 */ |
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if (overriden && version >= 4) {
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WindowPropertyGetter wpg2 = |
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new WindowPropertyGetter(embedder, XDnDConstants.XA_XdndProxy, |
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0, 1, false, XAtom.XA_WINDOW); |
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142 |
||
143 |
try {
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2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
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144 |
status = wpg2.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 145 |
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439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
146 |
if (status == XConstants.Success && |
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wpg2.getData() != 0 && |
148 |
wpg2.getActualType() == XAtom.XA_WINDOW) {
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149 |
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150 |
proxy = Native.getLong(wpg2.getData()); |
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} |
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152 |
} finally {
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wpg2.dispose(); |
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154 |
} |
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155 |
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156 |
if (proxy != 0) {
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WindowPropertyGetter wpg3 = |
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new WindowPropertyGetter(proxy, XDnDConstants.XA_XdndProxy, |
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159 |
0, 1, false, XAtom.XA_WINDOW); |
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160 |
||
161 |
try {
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2802
d05a9dcc8296
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art
parents:
439
diff
changeset
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162 |
status = wpg3.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 163 |
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439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
164 |
if (status != XConstants.Success || |
| 2 | 165 |
wpg3.getData() == 0 || |
166 |
wpg3.getActualType() != XAtom.XA_WINDOW || |
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Native.getLong(wpg3.getData()) != proxy) {
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168 |
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169 |
proxy = 0; |
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170 |
} else {
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WindowPropertyGetter wpg4 = |
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172 |
new WindowPropertyGetter(proxy, |
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173 |
XDnDConstants.XA_XdndAware, |
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0, 1, false, |
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439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
175 |
XConstants.AnyPropertyType); |
| 2 | 176 |
|
177 |
try {
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2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
178 |
status = wpg4.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 179 |
|
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439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
180 |
if (status != XConstants.Success || |
| 2 | 181 |
wpg4.getData() == 0 || |
182 |
wpg4.getActualType() != XAtom.XA_ATOM) {
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183 |
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184 |
proxy = 0; |
|
185 |
} |
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186 |
} finally {
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187 |
wpg4.dispose(); |
|
188 |
} |
|
189 |
} |
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190 |
} finally {
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191 |
wpg3.dispose(); |
|
192 |
} |
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193 |
} |
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194 |
} |
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195 |
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196 |
if (proxy == newProxy) {
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// Embedder already registered. |
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198 |
return; |
|
199 |
} |
|
200 |
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201 |
long data = Native.allocateLongArray(1); |
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202 |
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203 |
try {
|
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204 |
Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION); |
|
205 |
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206 |
/* The proxy window must have the XdndAware set, as XDnD protocol |
|
207 |
prescribes to check the proxy window for XdndAware. */ |
|
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2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
208 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 209 |
XDnDConstants.XA_XdndAware.setAtomData(newProxy, XAtom.XA_ATOM, |
210 |
data, 1); |
|
211 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
212 |
||
213 |
if (XToolkit.saved_error != null && |
|
214 |
XToolkit.saved_error.get_error_code() != |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
215 |
XConstants.Success) {
|
| 2 | 216 |
throw new XException("Cannot write XdndAware property");
|
217 |
} |
|
218 |
||
219 |
Native.putLong(data, 0, newProxy); |
|
220 |
||
221 |
/* The proxy window must have the XdndProxy set to point to itself.*/ |
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
222 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 223 |
XDnDConstants.XA_XdndProxy.setAtomData(newProxy, XAtom.XA_WINDOW, |
224 |
data, 1); |
|
225 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
226 |
||
227 |
if (XToolkit.saved_error != null && |
|
228 |
XToolkit.saved_error.get_error_code() != |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
229 |
XConstants.Success) {
|
| 2 | 230 |
throw new XException("Cannot write XdndProxy property");
|
231 |
} |
|
232 |
||
233 |
Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION); |
|
234 |
||
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
235 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 236 |
XDnDConstants.XA_XdndAware.setAtomData(embedder, XAtom.XA_ATOM, |
237 |
data, 1); |
|
238 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
239 |
||
240 |
if (XToolkit.saved_error != null && |
|
241 |
XToolkit.saved_error.get_error_code() != |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
242 |
XConstants.Success) {
|
| 2 | 243 |
throw new XException("Cannot write XdndAware property");
|
244 |
} |
|
245 |
||
246 |
Native.putLong(data, 0, newProxy); |
|
247 |
||
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
248 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 249 |
XDnDConstants.XA_XdndProxy.setAtomData(embedder, XAtom.XA_WINDOW, |
250 |
data, 1); |
|
251 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
252 |
||
253 |
if (XToolkit.saved_error != null && |
|
254 |
XToolkit.saved_error.get_error_code() != |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
255 |
XConstants.Success) {
|
| 2 | 256 |
throw new XException("Cannot write XdndProxy property");
|
257 |
} |
|
258 |
} finally {
|
|
259 |
unsafe.freeMemory(data); |
|
260 |
data = 0; |
|
261 |
} |
|
262 |
||
263 |
putEmbedderRegistryEntry(embedder, overriden, version, proxy); |
|
264 |
} |
|
265 |
||
266 |
public void unregisterEmbedderDropSite(long embedder) {
|
|
267 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
268 |
||
269 |
EmbedderRegistryEntry entry = getEmbedderRegistryEntry(embedder); |
|
270 |
||
271 |
if (entry == null) {
|
|
272 |
return; |
|
273 |
} |
|
274 |
||
275 |
if (entry.isOverriden()) {
|
|
276 |
long data = Native.allocateLongArray(1); |
|
277 |
||
278 |
try {
|
|
279 |
Native.putLong(data, 0, entry.getVersion()); |
|
280 |
||
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
281 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 282 |
XDnDConstants.XA_XdndAware.setAtomData(embedder, XAtom.XA_ATOM, |
283 |
data, 1); |
|
284 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
285 |
||
286 |
if (XToolkit.saved_error != null && |
|
287 |
XToolkit.saved_error.get_error_code() != |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
288 |
XConstants.Success) {
|
| 2 | 289 |
throw new XException("Cannot write XdndAware property");
|
290 |
} |
|
291 |
||
292 |
Native.putLong(data, 0, (int)entry.getProxy()); |
|
293 |
||
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
294 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 295 |
XDnDConstants.XA_XdndProxy.setAtomData(embedder, XAtom.XA_WINDOW, |
296 |
data, 1); |
|
297 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
298 |
||
299 |
if (XToolkit.saved_error != null && |
|
300 |
XToolkit.saved_error.get_error_code() != |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
301 |
XConstants.Success) {
|
| 2 | 302 |
throw new XException("Cannot write XdndProxy property");
|
303 |
} |
|
304 |
} finally {
|
|
305 |
unsafe.freeMemory(data); |
|
306 |
data = 0; |
|
307 |
} |
|
308 |
} else {
|
|
309 |
XDnDConstants.XA_XdndAware.DeleteProperty(embedder); |
|
310 |
XDnDConstants.XA_XdndProxy.DeleteProperty(embedder); |
|
311 |
} |
|
312 |
} |
|
313 |
||
314 |
/* |
|
315 |
* Gets and stores in the registry the embedder's XDnD drop site info |
|
316 |
* from the embedded. |
|
317 |
*/ |
|
318 |
public void registerEmbeddedDropSite(long embedded) {
|
|
319 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
320 |
||
321 |
boolean overriden = false; |
|
322 |
int version = 0; |
|
323 |
long proxy = 0; |
|
324 |
long newProxy = XDropTargetRegistry.getDnDProxyWindow(); |
|
325 |
int status = 0; |
|
326 |
||
327 |
WindowPropertyGetter wpg1 = |
|
328 |
new WindowPropertyGetter(embedded, XDnDConstants.XA_XdndAware, 0, 1, |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
329 |
false, XConstants.AnyPropertyType); |
| 2 | 330 |
|
331 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
332 |
status = wpg1.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 333 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
334 |
if (status == XConstants.Success && |
| 2 | 335 |
wpg1.getData() != 0 && wpg1.getActualType() == XAtom.XA_ATOM) {
|
336 |
||
337 |
overriden = true; |
|
338 |
version = (int)Native.getLong(wpg1.getData()); |
|
339 |
} |
|
340 |
} finally {
|
|
341 |
wpg1.dispose(); |
|
342 |
} |
|
343 |
||
344 |
/* XdndProxy is not supported for prior to XDnD version 4 */ |
|
345 |
if (overriden && version >= 4) {
|
|
346 |
WindowPropertyGetter wpg2 = |
|
347 |
new WindowPropertyGetter(embedded, XDnDConstants.XA_XdndProxy, |
|
348 |
0, 1, false, XAtom.XA_WINDOW); |
|
349 |
||
350 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
351 |
status = wpg2.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 352 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
353 |
if (status == XConstants.Success && |
| 2 | 354 |
wpg2.getData() != 0 && |
355 |
wpg2.getActualType() == XAtom.XA_WINDOW) {
|
|
356 |
||
357 |
proxy = Native.getLong(wpg2.getData()); |
|
358 |
} |
|
359 |
} finally {
|
|
360 |
wpg2.dispose(); |
|
361 |
} |
|
362 |
||
363 |
if (proxy != 0) {
|
|
364 |
WindowPropertyGetter wpg3 = |
|
365 |
new WindowPropertyGetter(proxy, XDnDConstants.XA_XdndProxy, |
|
366 |
0, 1, false, XAtom.XA_WINDOW); |
|
367 |
||
368 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
369 |
status = wpg3.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 370 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
371 |
if (status != XConstants.Success || |
| 2 | 372 |
wpg3.getData() == 0 || |
373 |
wpg3.getActualType() != XAtom.XA_WINDOW || |
|
374 |
Native.getLong(wpg3.getData()) != proxy) {
|
|
375 |
||
376 |
proxy = 0; |
|
377 |
} else {
|
|
378 |
WindowPropertyGetter wpg4 = |
|
379 |
new WindowPropertyGetter(proxy, |
|
380 |
XDnDConstants.XA_XdndAware, |
|
381 |
0, 1, false, |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
382 |
XConstants.AnyPropertyType); |
| 2 | 383 |
|
384 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
385 |
status = wpg4.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 386 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
387 |
if (status != XConstants.Success || |
| 2 | 388 |
wpg4.getData() == 0 || |
389 |
wpg4.getActualType() != XAtom.XA_ATOM) {
|
|
390 |
||
391 |
proxy = 0; |
|
392 |
} |
|
393 |
} finally {
|
|
394 |
wpg4.dispose(); |
|
395 |
} |
|
396 |
} |
|
397 |
} finally {
|
|
398 |
wpg3.dispose(); |
|
399 |
} |
|
400 |
} |
|
401 |
} |
|
402 |
||
403 |
putEmbedderRegistryEntry(embedded, overriden, version, proxy); |
|
404 |
} |
|
405 |
||
406 |
public boolean isProtocolSupported(long window) {
|
|
407 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
408 |
||
409 |
WindowPropertyGetter wpg1 = |
|
410 |
new WindowPropertyGetter(window, XDnDConstants.XA_XdndAware, 0, 1, |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
411 |
false, XConstants.AnyPropertyType); |
| 2 | 412 |
|
413 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
414 |
int status = wpg1.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 415 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
416 |
if (status == XConstants.Success && |
| 2 | 417 |
wpg1.getData() != 0 && wpg1.getActualType() == XAtom.XA_ATOM) {
|
418 |
||
419 |
return true; |
|
420 |
} else {
|
|
421 |
return false; |
|
422 |
} |
|
423 |
} finally {
|
|
424 |
wpg1.dispose(); |
|
425 |
} |
|
426 |
} |
|
427 |
||
428 |
private boolean processXdndEnter(XClientMessageEvent xclient) {
|
|
429 |
long source_win = 0; |
|
430 |
long source_win_mask = 0; |
|
431 |
int protocol_version = 0; |
|
432 |
int actions = DnDConstants.ACTION_NONE; |
|
433 |
boolean track = true; |
|
434 |
long[] formats = null; |
|
435 |
||
436 |
if (getSourceWindow() != 0) {
|
|
437 |
return false; |
|
438 |
} |
|
439 |
||
440 |
if (!(XToolkit.windowToXWindow(xclient.get_window()) instanceof XWindow) |
|
441 |
&& getEmbedderRegistryEntry(xclient.get_window()) == null) {
|
|
442 |
return false; |
|
443 |
} |
|
444 |
||
445 |
if (xclient.get_message_type() != XDnDConstants.XA_XdndEnter.getAtom()){
|
|
446 |
return false; |
|
447 |
} |
|
448 |
||
449 |
protocol_version = |
|
450 |
(int)((xclient.get_data(1) & XDnDConstants.XDND_PROTOCOL_MASK) >> |
|
451 |
XDnDConstants.XDND_PROTOCOL_SHIFT); |
|
452 |
||
453 |
/* XDnD compliance only requires supporting version 3 and up. */ |
|
454 |
if (protocol_version < XDnDConstants.XDND_MIN_PROTOCOL_VERSION) {
|
|
455 |
return false; |
|
456 |
} |
|
457 |
||
458 |
/* Ignore the source if the protocol version is higher than we support. */ |
|
459 |
if (protocol_version > XDnDConstants.XDND_PROTOCOL_VERSION) {
|
|
460 |
return false; |
|
461 |
} |
|
462 |
||
463 |
source_win = xclient.get_data(0); |
|
464 |
||
465 |
/* Extract the list of supported actions. */ |
|
466 |
if (protocol_version < 2) {
|
|
467 |
/* Prior to XDnD version 2 only COPY action was supported. */ |
|
468 |
actions = DnDConstants.ACTION_COPY; |
|
469 |
} else {
|
|
470 |
WindowPropertyGetter wpg = |
|
471 |
new WindowPropertyGetter(source_win, |
|
472 |
XDnDConstants.XA_XdndActionList, |
|
473 |
0, 0xFFFF, false, |
|
474 |
XAtom.XA_ATOM); |
|
475 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
476 |
wpg.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 477 |
|
478 |
if (wpg.getActualType() == XAtom.XA_ATOM && |
|
479 |
wpg.getActualFormat() == 32) {
|
|
480 |
long data = wpg.getData(); |
|
481 |
||
482 |
for (int i = 0; i < wpg.getNumberOfItems(); i++) {
|
|
483 |
actions |= |
|
484 |
XDnDConstants.getJavaActionForXDnDAction(Native.getLong(data, i)); |
|
485 |
} |
|
486 |
} else {
|
|
487 |
/* |
|
488 |
* According to XDnD protocol, XdndActionList is optional. |
|
489 |
* If XdndActionList is not set we try to guess which actions are |
|
490 |
* supported. |
|
491 |
*/ |
|
492 |
actions = DnDConstants.ACTION_COPY; |
|
493 |
track = true; |
|
494 |
} |
|
495 |
} finally {
|
|
496 |
wpg.dispose(); |
|
497 |
} |
|
498 |
} |
|
499 |
||
500 |
/* Extract the available data types. */ |
|
501 |
if ((xclient.get_data(1) & XDnDConstants.XDND_DATA_TYPES_BIT) != 0) {
|
|
502 |
WindowPropertyGetter wpg = |
|
503 |
new WindowPropertyGetter(source_win, |
|
504 |
XDnDConstants.XA_XdndTypeList, |
|
505 |
0, 0xFFFF, false, |
|
506 |
XAtom.XA_ATOM); |
|
507 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
508 |
wpg.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 509 |
|
510 |
if (wpg.getActualType() == XAtom.XA_ATOM && |
|
511 |
wpg.getActualFormat() == 32) {
|
|
512 |
formats = Native.toLongs(wpg.getData(), |
|
513 |
wpg.getNumberOfItems()); |
|
514 |
} else {
|
|
515 |
formats = new long[0]; |
|
516 |
} |
|
517 |
} finally {
|
|
518 |
wpg.dispose(); |
|
519 |
} |
|
520 |
} else {
|
|
521 |
int countFormats = 0; |
|
522 |
long[] formats3 = new long[3]; |
|
523 |
||
524 |
for (int i = 0; i < 3; i++) {
|
|
525 |
long j; |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
526 |
if ((j = xclient.get_data(2 + i)) != XConstants.None) {
|
| 2 | 527 |
formats3[countFormats++] = j; |
528 |
} |
|
529 |
} |
|
530 |
||
531 |
formats = new long[countFormats]; |
|
532 |
||
533 |
System.arraycopy(formats3, 0, formats, 0, countFormats); |
|
534 |
} |
|
535 |
||
536 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
537 |
||
538 |
/* |
|
539 |
* Select for StructureNotifyMask to receive DestroyNotify in case of source |
|
540 |
* crash. |
|
541 |
*/ |
|
542 |
XWindowAttributes wattr = new XWindowAttributes(); |
|
543 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
544 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 545 |
int status = XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(), |
546 |
source_win, wattr.pData); |
|
547 |
||
548 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
549 |
||
550 |
if (status == 0 || |
|
551 |
(XToolkit.saved_error != null && |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
552 |
XToolkit.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 553 |
throw new XException("XGetWindowAttributes failed");
|
554 |
} |
|
555 |
||
556 |
source_win_mask = wattr.get_your_event_mask(); |
|
557 |
} finally {
|
|
558 |
wattr.dispose(); |
|
559 |
} |
|
560 |
||
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
561 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 562 |
XlibWrapper.XSelectInput(XToolkit.getDisplay(), source_win, |
563 |
source_win_mask | |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
564 |
XConstants.StructureNotifyMask); |
| 2 | 565 |
|
566 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
567 |
||
568 |
if (XToolkit.saved_error != null && |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
569 |
XToolkit.saved_error.get_error_code() != XConstants.Success) {
|
| 2 | 570 |
throw new XException("XSelectInput failed");
|
571 |
} |
|
572 |
||
573 |
sourceWindow = source_win; |
|
574 |
sourceWindowMask = source_win_mask; |
|
575 |
sourceProtocolVersion = protocol_version; |
|
576 |
sourceActions = actions; |
|
577 |
sourceFormats = formats; |
|
578 |
trackSourceActions = track; |
|
579 |
||
580 |
return true; |
|
581 |
} |
|
582 |
||
583 |
private boolean processXdndPosition(XClientMessageEvent xclient) {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
584 |
long time_stamp = (int)XConstants.CurrentTime; |
| 2 | 585 |
long xdnd_action = 0; |
586 |
int java_action = DnDConstants.ACTION_NONE; |
|
587 |
int x = 0; |
|
588 |
int y = 0; |
|
589 |
||
590 |
/* Ignore XDnD messages from all other windows. */ |
|
591 |
if (sourceWindow != xclient.get_data(0)) {
|
|
592 |
return false; |
|
593 |
} |
|
594 |
||
595 |
XWindow xwindow = null; |
|
596 |
{
|
|
597 |
XBaseWindow xbasewindow = XToolkit.windowToXWindow(xclient.get_window()); |
|
598 |
if (xbasewindow instanceof XWindow) {
|
|
599 |
xwindow = (XWindow)xbasewindow; |
|
600 |
} |
|
601 |
} |
|
602 |
||
603 |
x = (int)(xclient.get_data(2) >> 16); |
|
604 |
y = (int)(xclient.get_data(2) & 0xFFFF); |
|
605 |
||
606 |
if (xwindow == null) {
|
|
607 |
long receiver = |
|
608 |
XDropTargetRegistry.getRegistry().getEmbeddedDropSite( |
|
609 |
xclient.get_window(), x, y); |
|
610 |
||
611 |
if (receiver != 0) {
|
|
612 |
XBaseWindow xbasewindow = XToolkit.windowToXWindow(receiver); |
|
613 |
if (xbasewindow instanceof XWindow) {
|
|
614 |
xwindow = (XWindow)xbasewindow; |
|
615 |
} |
|
616 |
} |
|
617 |
} |
|
618 |
||
619 |
if (xwindow != null) {
|
|
620 |
/* Translate mouse position from root coordinates |
|
621 |
to the target window coordinates. */ |
|
622 |
Point p = xwindow.toLocal(x, y); |
|
623 |
x = p.x; |
|
624 |
y = p.y; |
|
625 |
} |
|
626 |
||
627 |
/* Time stamp - new in XDnD version 1. */ |
|
628 |
if (sourceProtocolVersion > 0) {
|
|
629 |
time_stamp = xclient.get_data(3); |
|
630 |
} |
|
631 |
||
632 |
/* User action - new in XDnD version 2. */ |
|
633 |
if (sourceProtocolVersion > 1) {
|
|
634 |
xdnd_action = xclient.get_data(4); |
|
635 |
} else {
|
|
636 |
/* The default action is XdndActionCopy */ |
|
637 |
xdnd_action = XDnDConstants.XA_XdndActionCopy.getAtom(); |
|
638 |
} |
|
639 |
||
640 |
java_action = XDnDConstants.getJavaActionForXDnDAction(xdnd_action); |
|
641 |
||
642 |
if (trackSourceActions) {
|
|
643 |
sourceActions |= java_action; |
|
644 |
} |
|
645 |
||
646 |
if (xwindow == null) {
|
|
647 |
if (targetXWindow != null) {
|
|
648 |
notifyProtocolListener(targetXWindow, x, y, |
|
649 |
DnDConstants.ACTION_NONE, xclient, |
|
650 |
MouseEvent.MOUSE_EXITED); |
|
651 |
} |
|
652 |
} else {
|
|
653 |
int java_event_id = 0; |
|
654 |
||
655 |
if (targetXWindow == null) {
|
|
656 |
java_event_id = MouseEvent.MOUSE_ENTERED; |
|
657 |
} else {
|
|
658 |
java_event_id = MouseEvent.MOUSE_DRAGGED; |
|
659 |
} |
|
660 |
||
661 |
notifyProtocolListener(xwindow, x, y, java_action, xclient, |
|
662 |
java_event_id); |
|
663 |
} |
|
664 |
||
665 |
userAction = java_action; |
|
666 |
sourceX = x; |
|
667 |
sourceY = y; |
|
668 |
targetXWindow = xwindow; |
|
669 |
||
670 |
return true; |
|
671 |
} |
|
672 |
||
673 |
private boolean processXdndLeave(XClientMessageEvent xclient) {
|
|
674 |
/* Ignore XDnD messages from all other windows. */ |
|
675 |
if (sourceWindow != xclient.get_data(0)) {
|
|
676 |
return false; |
|
677 |
} |
|
678 |
||
679 |
cleanup(); |
|
680 |
||
681 |
return true; |
|
682 |
} |
|
683 |
||
684 |
private boolean processXdndDrop(XClientMessageEvent xclient) {
|
|
685 |
/* Ignore XDnD messages from all other windows. */ |
|
686 |
if (sourceWindow != xclient.get_data(0)) {
|
|
687 |
return false; |
|
688 |
} |
|
689 |
||
690 |
if (targetXWindow != null) {
|
|
691 |
notifyProtocolListener(targetXWindow, sourceX, sourceY, userAction, |
|
692 |
xclient, MouseEvent.MOUSE_RELEASED); |
|
693 |
} |
|
694 |
||
695 |
return true; |
|
696 |
} |
|
697 |
||
698 |
public int getMessageType(XClientMessageEvent xclient) {
|
|
699 |
long messageType = xclient.get_message_type(); |
|
700 |
||
701 |
if (messageType == XDnDConstants.XA_XdndEnter.getAtom()) {
|
|
702 |
return ENTER_MESSAGE; |
|
703 |
} else if (messageType == XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
704 |
return MOTION_MESSAGE; |
|
705 |
} else if (messageType == XDnDConstants.XA_XdndLeave.getAtom()) {
|
|
706 |
return LEAVE_MESSAGE; |
|
707 |
} else if (messageType == XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
708 |
return DROP_MESSAGE; |
|
709 |
} else {
|
|
710 |
return UNKNOWN_MESSAGE; |
|
711 |
} |
|
712 |
} |
|
713 |
||
714 |
protected boolean processClientMessageImpl(XClientMessageEvent xclient) {
|
|
715 |
long messageType = xclient.get_message_type(); |
|
716 |
||
717 |
if (messageType == XDnDConstants.XA_XdndEnter.getAtom()) {
|
|
718 |
return processXdndEnter(xclient); |
|
719 |
} else if (messageType == XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
720 |
return processXdndPosition(xclient); |
|
721 |
} else if (messageType == XDnDConstants.XA_XdndLeave.getAtom()) {
|
|
722 |
return processXdndLeave(xclient); |
|
723 |
} else if (messageType == XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
724 |
return processXdndDrop(xclient); |
|
725 |
} else {
|
|
726 |
return false; |
|
727 |
} |
|
728 |
} |
|
729 |
||
730 |
protected void sendEnterMessageToToplevel(long toplevel, |
|
731 |
XClientMessageEvent xclient) {
|
|
732 |
/* flags */ |
|
733 |
long data1 = sourceProtocolVersion << XDnDConstants.XDND_PROTOCOL_SHIFT; |
|
734 |
if (sourceFormats != null && sourceFormats.length > 3) {
|
|
735 |
data1 |= XDnDConstants.XDND_DATA_TYPES_BIT; |
|
736 |
} |
|
737 |
long data2 = sourceFormats.length > 0 ? sourceFormats[0] : 0; |
|
738 |
long data3 = sourceFormats.length > 1 ? sourceFormats[1] : 0; |
|
739 |
long data4 = sourceFormats.length > 2 ? sourceFormats[2] : 0; |
|
740 |
sendEnterMessageToToplevelImpl(toplevel, xclient.get_data(0), |
|
741 |
data1, data2, data3, data4); |
|
742 |
||
743 |
} |
|
744 |
||
745 |
private void sendEnterMessageToToplevelImpl(long toplevel, |
|
746 |
long sourceWindow, |
|
747 |
long data1, long data2, |
|
748 |
long data3, long data4) {
|
|
749 |
XClientMessageEvent enter = new XClientMessageEvent(); |
|
750 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
751 |
enter.set_type((int)XConstants.ClientMessage); |
| 2 | 752 |
enter.set_window(toplevel); |
753 |
enter.set_format(32); |
|
754 |
enter.set_message_type(XDnDConstants.XA_XdndEnter.getAtom()); |
|
755 |
/* XID of the source window */ |
|
756 |
enter.set_data(0, sourceWindow); |
|
757 |
enter.set_data(1, data1); |
|
758 |
enter.set_data(2, data2); |
|
759 |
enter.set_data(3, data3); |
|
760 |
enter.set_data(4, data4); |
|
761 |
||
762 |
forwardClientMessageToToplevel(toplevel, enter); |
|
763 |
} finally {
|
|
764 |
enter.dispose(); |
|
765 |
} |
|
766 |
} |
|
767 |
||
768 |
protected void sendLeaveMessageToToplevel(long toplevel, |
|
769 |
XClientMessageEvent xclient) {
|
|
770 |
sendLeaveMessageToToplevelImpl(toplevel, xclient.get_data(0)); |
|
771 |
} |
|
772 |
||
773 |
protected void sendLeaveMessageToToplevelImpl(long toplevel, |
|
774 |
long sourceWindow) {
|
|
775 |
XClientMessageEvent leave = new XClientMessageEvent(); |
|
776 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
777 |
leave.set_type((int)XConstants.ClientMessage); |
| 2 | 778 |
leave.set_window(toplevel); |
779 |
leave.set_format(32); |
|
780 |
leave.set_message_type(XDnDConstants.XA_XdndLeave.getAtom()); |
|
781 |
/* XID of the source window */ |
|
782 |
leave.set_data(0, sourceWindow); |
|
783 |
/* flags */ |
|
784 |
leave.set_data(1, 0); |
|
785 |
||
786 |
forwardClientMessageToToplevel(toplevel, leave); |
|
787 |
} finally {
|
|
788 |
leave.dispose(); |
|
789 |
} |
|
790 |
} |
|
791 |
||
792 |
public boolean sendResponse(long ctxt, int eventID, int action) {
|
|
793 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
794 |
||
795 |
if (xclient.get_message_type() != |
|
796 |
XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
797 |
||
798 |
return false; |
|
799 |
} |
|
800 |
||
801 |
if (eventID == MouseEvent.MOUSE_EXITED) {
|
|
802 |
action = DnDConstants.ACTION_NONE; |
|
803 |
} |
|
804 |
||
805 |
XClientMessageEvent msg = new XClientMessageEvent(); |
|
806 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
807 |
msg.set_type((int)XConstants.ClientMessage); |
| 2 | 808 |
msg.set_window(xclient.get_data(0)); |
809 |
msg.set_format(32); |
|
810 |
msg.set_message_type(XDnDConstants.XA_XdndStatus.getAtom()); |
|
811 |
/* target window */ |
|
812 |
msg.set_data(0, xclient.get_window()); |
|
813 |
/* flags */ |
|
814 |
long flags = 0; |
|
815 |
if (action != DnDConstants.ACTION_NONE) {
|
|
816 |
flags |= XDnDConstants.XDND_ACCEPT_DROP_FLAG; |
|
817 |
} |
|
818 |
msg.set_data(1, flags); |
|
819 |
/* specify an empty rectangle */ |
|
820 |
msg.set_data(2, 0); /* x, y */ |
|
821 |
msg.set_data(3, 0); /* w, h */ |
|
822 |
/* action accepted by the target */ |
|
823 |
msg.set_data(4, XDnDConstants.getXDnDActionForJavaAction(action)); |
|
824 |
||
825 |
XToolkit.awtLock(); |
|
826 |
try {
|
|
827 |
XlibWrapper.XSendEvent(XToolkit.getDisplay(), |
|
828 |
xclient.get_data(0), |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
829 |
false, XConstants.NoEventMask, |
| 2 | 830 |
msg.pData); |
831 |
} finally {
|
|
832 |
XToolkit.awtUnlock(); |
|
833 |
} |
|
834 |
} finally {
|
|
835 |
msg.dispose(); |
|
836 |
} |
|
837 |
||
838 |
return true; |
|
839 |
} |
|
840 |
||
841 |
public Object getData(long ctxt, long format) |
|
842 |
throws IllegalArgumentException, IOException {
|
|
843 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
844 |
long message_type = xclient.get_message_type(); |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
845 |
long time_stamp = XConstants.CurrentTime; |
| 2 | 846 |
|
847 |
// NOTE: we assume that the source supports at least version 1, so we |
|
848 |
// can use the time stamp |
|
849 |
if (message_type == XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
850 |
// X server time is an unsigned 32-bit number! |
|
851 |
time_stamp = xclient.get_data(3) & 0xFFFFFFFFL; |
|
852 |
} else if (message_type == XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
853 |
// X server time is an unsigned 32-bit number! |
|
854 |
time_stamp = xclient.get_data(2) & 0xFFFFFFFFL; |
|
855 |
} else {
|
|
856 |
throw new IllegalArgumentException(); |
|
857 |
} |
|
858 |
||
859 |
return XDnDConstants.XDnDSelection.getData(format, time_stamp); |
|
860 |
} |
|
861 |
||
862 |
public boolean sendDropDone(long ctxt, boolean success, int dropAction) {
|
|
863 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
864 |
||
865 |
if (xclient.get_message_type() != |
|
866 |
XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
867 |
return false; |
|
868 |
} |
|
869 |
||
870 |
/* |
|
871 |
* The XDnD protocol recommends that the target requests the special |
|
872 |
* target DELETE in case if the drop action is XdndActionMove. |
|
873 |
*/ |
|
874 |
if (dropAction == DnDConstants.ACTION_MOVE && success) {
|
|
875 |
||
876 |
long time_stamp = xclient.get_data(2); |
|
877 |
long xdndSelectionAtom = |
|
878 |
XDnDConstants.XDnDSelection.getSelectionAtom().getAtom(); |
|
879 |
||
880 |
XToolkit.awtLock(); |
|
881 |
try {
|
|
882 |
XlibWrapper.XConvertSelection(XToolkit.getDisplay(), |
|
883 |
xdndSelectionAtom, |
|
884 |
XAtom.get("DELETE").getAtom(),
|
|
885 |
XAtom.get("XAWT_SELECTION").getAtom(),
|
|
886 |
XWindow.getXAWTRootWindow().getWindow(), |
|
887 |
time_stamp); |
|
888 |
} finally {
|
|
889 |
XToolkit.awtUnlock(); |
|
890 |
} |
|
891 |
} |
|
892 |
||
893 |
XClientMessageEvent msg = new XClientMessageEvent(); |
|
894 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
895 |
msg.set_type((int)XConstants.ClientMessage); |
| 2 | 896 |
msg.set_window(xclient.get_data(0)); |
897 |
msg.set_format(32); |
|
898 |
msg.set_message_type(XDnDConstants.XA_XdndFinished.getAtom()); |
|
899 |
msg.set_data(0, xclient.get_window()); /* target window */ |
|
900 |
msg.set_data(1, 0); /* flags */ |
|
901 |
/* specify an empty rectangle */ |
|
902 |
msg.set_data(2, 0); |
|
903 |
if (sourceProtocolVersion >= 5) {
|
|
904 |
if (success) {
|
|
905 |
msg.set_data(1, XDnDConstants.XDND_ACCEPT_DROP_FLAG); |
|
906 |
} |
|
907 |
/* action performed by the target */ |
|
908 |
msg.set_data(2, XDnDConstants.getXDnDActionForJavaAction(dropAction)); |
|
909 |
} |
|
910 |
msg.set_data(3, 0); |
|
911 |
msg.set_data(4, 0); |
|
912 |
||
913 |
XToolkit.awtLock(); |
|
914 |
try {
|
|
915 |
XlibWrapper.XSendEvent(XToolkit.getDisplay(), |
|
916 |
xclient.get_data(0), |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
917 |
false, XConstants.NoEventMask, |
| 2 | 918 |
msg.pData); |
919 |
} finally {
|
|
920 |
XToolkit.awtUnlock(); |
|
921 |
} |
|
922 |
} finally {
|
|
923 |
msg.dispose(); |
|
924 |
} |
|
925 |
||
926 |
/* |
|
927 |
* Flush the buffer to guarantee that the drop completion event is sent |
|
928 |
* to the source before the method returns. |
|
929 |
*/ |
|
930 |
XToolkit.awtLock(); |
|
931 |
try {
|
|
932 |
XlibWrapper.XFlush(XToolkit.getDisplay()); |
|
933 |
} finally {
|
|
934 |
XToolkit.awtUnlock(); |
|
935 |
} |
|
936 |
||
937 |
/* Trick to prevent cleanup() from posting dragExit */ |
|
938 |
targetXWindow = null; |
|
939 |
||
940 |
/* Cannot do cleanup before the drop finishes as we may need |
|
941 |
source protocol version to send drop finished message. */ |
|
942 |
cleanup(); |
|
943 |
return true; |
|
944 |
} |
|
945 |
||
946 |
public final long getSourceWindow() {
|
|
947 |
return sourceWindow; |
|
948 |
} |
|
949 |
||
950 |
/** |
|
951 |
* Reset the state of the object. |
|
952 |
*/ |
|
953 |
public void cleanup() {
|
|
954 |
// Clear the reference to this protocol. |
|
955 |
XDropTargetEventProcessor.reset(); |
|
956 |
||
957 |
if (targetXWindow != null) {
|
|
958 |
notifyProtocolListener(targetXWindow, 0, 0, |
|
959 |
DnDConstants.ACTION_NONE, null, |
|
960 |
MouseEvent.MOUSE_EXITED); |
|
961 |
} |
|
962 |
||
963 |
if (sourceWindow != 0) {
|
|
964 |
XToolkit.awtLock(); |
|
965 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
966 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 967 |
XlibWrapper.XSelectInput(XToolkit.getDisplay(), sourceWindow, |
968 |
sourceWindowMask); |
|
969 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
970 |
} finally {
|
|
971 |
XToolkit.awtUnlock(); |
|
972 |
} |
|
973 |
} |
|
974 |
||
975 |
sourceWindow = 0; |
|
976 |
sourceWindowMask = 0; |
|
977 |
sourceProtocolVersion = 0; |
|
978 |
sourceActions = DnDConstants.ACTION_NONE; |
|
979 |
sourceFormats = null; |
|
980 |
trackSourceActions = false; |
|
981 |
userAction = DnDConstants.ACTION_NONE; |
|
982 |
sourceX = 0; |
|
983 |
sourceY = 0; |
|
984 |
targetXWindow = null; |
|
985 |
} |
|
986 |
||
987 |
public boolean isDragOverComponent() {
|
|
988 |
return targetXWindow != null; |
|
989 |
} |
|
990 |
||
991 |
public void adjustEventForForwarding(XClientMessageEvent xclient, |
|
992 |
EmbedderRegistryEntry entry) {
|
|
993 |
/* Adjust the event to match the XDnD protocol version. */ |
|
994 |
int version = entry.getVersion(); |
|
995 |
if (xclient.get_message_type() == XDnDConstants.XA_XdndEnter.getAtom()) {
|
|
996 |
int min_version = sourceProtocolVersion < version ? |
|
997 |
sourceProtocolVersion : version; |
|
998 |
long data1 = min_version << XDnDConstants.XDND_PROTOCOL_SHIFT; |
|
999 |
if (sourceFormats != null && sourceFormats.length > 3) {
|
|
1000 |
data1 |= XDnDConstants.XDND_DATA_TYPES_BIT; |
|
1001 |
} |
|
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1002 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 1003 |
logger.finest(" "
|
1004 |
+ " entryVersion=" + version |
|
1005 |
+ " sourceProtocolVersion=" + |
|
1006 |
sourceProtocolVersion |
|
1007 |
+ " sourceFormats.length=" + |
|
1008 |
(sourceFormats != null ? sourceFormats.length : 0)); |
|
1009 |
} |
|
1010 |
xclient.set_data(1, data1); |
|
1011 |
} |
|
1012 |
} |
|
1013 |
||
1014 |
private void notifyProtocolListener(XWindow xwindow, int x, int y, |
|
1015 |
int dropAction, |
|
1016 |
XClientMessageEvent xclient, |
|
1017 |
int eventID) {
|
|
1018 |
long nativeCtxt = 0; |
|
1019 |
||
1020 |
// Make a copy of the passed XClientMessageEvent structure, since |
|
1021 |
// the original structure can be freed before this |
|
1022 |
// SunDropTargetEvent is dispatched. |
|
1023 |
if (xclient != null) {
|
|
1024 |
int size = new XClientMessageEvent(nativeCtxt).getSize(); |
|
1025 |
||
1026 |
nativeCtxt = unsafe.allocateMemory(size + 4 * Native.getLongSize()); |
|
1027 |
||
1028 |
unsafe.copyMemory(xclient.pData, nativeCtxt, size); |
|
1029 |
||
1030 |
long data1 = sourceProtocolVersion << XDnDConstants.XDND_PROTOCOL_SHIFT; |
|
1031 |
if (sourceFormats != null && sourceFormats.length > 3) {
|
|
1032 |
data1 |= XDnDConstants.XDND_DATA_TYPES_BIT; |
|
1033 |
} |
|
1034 |
// Append information from the latest XdndEnter event. |
|
1035 |
Native.putLong(nativeCtxt + size, data1); |
|
1036 |
Native.putLong(nativeCtxt + size + Native.getLongSize(), |
|
1037 |
sourceFormats.length > 0 ? sourceFormats[0] : 0); |
|
1038 |
Native.putLong(nativeCtxt + size + 2 * Native.getLongSize(), |
|
1039 |
sourceFormats.length > 1 ? sourceFormats[1] : 0); |
|
1040 |
Native.putLong(nativeCtxt + size + 3 * Native.getLongSize(), |
|
1041 |
sourceFormats.length > 2 ? sourceFormats[2] : 0); |
|
1042 |
} |
|
1043 |
||
1044 |
getProtocolListener().handleDropTargetNotification(xwindow, x, y, |
|
1045 |
dropAction, |
|
1046 |
sourceActions, |
|
1047 |
sourceFormats, |
|
1048 |
nativeCtxt, |
|
1049 |
eventID); |
|
1050 |
} |
|
1051 |
||
1052 |
/* |
|
1053 |
* The methods/fields defined below are executed/accessed only on |
|
1054 |
* the toolkit thread. |
|
1055 |
* The methods/fields defined below are executed/accessed only on the event |
|
1056 |
* dispatch thread. |
|
1057 |
*/ |
|
1058 |
||
1059 |
public boolean forwardEventToEmbedded(long embedded, long ctxt, |
|
1060 |
int eventID) {
|
|
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1061 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 1062 |
logger.finest(" ctxt=" + ctxt +
|
1063 |
" type=" + (ctxt != 0 ? |
|
1064 |
getMessageType(new |
|
1065 |
XClientMessageEvent(ctxt)) : 0) + |
|
1066 |
" prevCtxt=" + prevCtxt + |
|
1067 |
" prevType=" + (prevCtxt != 0 ? |
|
1068 |
getMessageType(new |
|
1069 |
XClientMessageEvent(prevCtxt)) : 0)); |
|
1070 |
} |
|
1071 |
if ((ctxt == 0 || |
|
1072 |
getMessageType(new XClientMessageEvent(ctxt)) == UNKNOWN_MESSAGE) && |
|
1073 |
(prevCtxt == 0 || |
|
1074 |
getMessageType(new XClientMessageEvent(prevCtxt)) == UNKNOWN_MESSAGE)) {
|
|
1075 |
return false; |
|
1076 |
} |
|
1077 |
||
1078 |
// The size of XClientMessageEvent structure. |
|
1079 |
int size = XClientMessageEvent.getSize(); |
|
1080 |
||
1081 |
if (ctxt != 0) {
|
|
1082 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
1083 |
if (!overXEmbedClient) {
|
|
1084 |
long data1 = Native.getLong(ctxt + size); |
|
1085 |
long data2 = Native.getLong(ctxt + size + Native.getLongSize()); |
|
1086 |
long data3 = Native.getLong(ctxt + size + 2 * Native.getLongSize()); |
|
1087 |
long data4 = Native.getLong(ctxt + size + 3 * Native.getLongSize()); |
|
1088 |
||
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1089 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 1090 |
logger.finest(" 1 "
|
1091 |
+ " embedded=" + embedded |
|
1092 |
+ " source=" + xclient.get_data(0) |
|
1093 |
+ " data1=" + data1 |
|
1094 |
+ " data2=" + data2 |
|
1095 |
+ " data3=" + data3 |
|
1096 |
+ " data4=" + data4); |
|
1097 |
} |
|
1098 |
||
1099 |
// Copy XdndTypeList from source to proxy. |
|
1100 |
if ((data1 & XDnDConstants.XDND_DATA_TYPES_BIT) != 0) {
|
|
1101 |
WindowPropertyGetter wpg = |
|
1102 |
new WindowPropertyGetter(xclient.get_data(0), |
|
1103 |
XDnDConstants.XA_XdndTypeList, |
|
1104 |
0, 0xFFFF, false, |
|
1105 |
XAtom.XA_ATOM); |
|
1106 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
1107 |
wpg.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 1108 |
|
1109 |
if (wpg.getActualType() == XAtom.XA_ATOM && |
|
1110 |
wpg.getActualFormat() == 32) {
|
|
1111 |
||
1112 |
XToolkit.awtLock(); |
|
1113 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
1114 |
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 1115 |
XDnDConstants.XA_XdndTypeList.setAtomData(xclient.get_window(), |
1116 |
XAtom.XA_ATOM, |
|
1117 |
wpg.getData(), |
|
1118 |
wpg.getNumberOfItems()); |
|
1119 |
XToolkit.RESTORE_XERROR_HANDLER(); |
|
1120 |
||
1121 |
if (XToolkit.saved_error != null && |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
1122 |
XToolkit.saved_error.get_error_code() != XConstants.Success) {
|
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1123 |
if (logger.isLoggable(PlatformLogger.WARNING)) {
|
| 2 | 1124 |
logger.warning("Cannot set XdndTypeList on the proxy window");
|
1125 |
} |
|
1126 |
} |
|
1127 |
} finally {
|
|
1128 |
XToolkit.awtUnlock(); |
|
1129 |
} |
|
1130 |
} else {
|
|
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1131 |
if (logger.isLoggable(PlatformLogger.WARNING)) {
|
| 2 | 1132 |
logger.warning("Cannot read XdndTypeList from the source window");
|
1133 |
} |
|
1134 |
} |
|
1135 |
} finally {
|
|
1136 |
wpg.dispose(); |
|
1137 |
} |
|
1138 |
} |
|
1139 |
XDragSourceContextPeer.setProxyModeSourceWindow(xclient.get_data(0)); |
|
1140 |
||
1141 |
sendEnterMessageToToplevelImpl(embedded, xclient.get_window(), |
|
1142 |
data1, data2, data3, data4); |
|
1143 |
overXEmbedClient = true; |
|
1144 |
} |
|
1145 |
||
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1146 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 1147 |
logger.finest(" 2 "
|
1148 |
+ " embedded=" + embedded |
|
1149 |
+ " xclient=" + xclient); |
|
1150 |
} |
|
1151 |
||
1152 |
/* Make a copy of the original event, since we are going to modify the |
|
1153 |
event while it still can be referenced from other Java events. */ |
|
1154 |
{
|
|
1155 |
XClientMessageEvent copy = new XClientMessageEvent(); |
|
1156 |
unsafe.copyMemory(xclient.pData, copy.pData, copy.getSize()); |
|
1157 |
||
1158 |
copy.set_data(0, xclient.get_window()); |
|
1159 |
||
1160 |
forwardClientMessageToToplevel(embedded, copy); |
|
1161 |
} |
|
1162 |
} |
|
1163 |
||
1164 |
if (eventID == MouseEvent.MOUSE_EXITED) {
|
|
1165 |
if (overXEmbedClient) {
|
|
1166 |
if (ctxt != 0 || prevCtxt != 0) {
|
|
1167 |
// Last chance to send XdndLeave to the XEmbed client. |
|
1168 |
XClientMessageEvent xclient = ctxt != 0 ? |
|
1169 |
new XClientMessageEvent(ctxt) : |
|
1170 |
new XClientMessageEvent(prevCtxt); |
|
1171 |
sendLeaveMessageToToplevelImpl(embedded, xclient.get_window()); |
|
1172 |
} |
|
1173 |
overXEmbedClient = false; |
|
1174 |
// We have to clear the proxy mode source window here, |
|
1175 |
// when the drag exits the XEmbedCanvasPeer. |
|
1176 |
// NOTE: at this point the XEmbed client still might have some |
|
1177 |
// drag notifications to process and it will send responses to |
|
1178 |
// us. With the proxy mode source window cleared we won't be |
|
1179 |
// able to forward these responses to the actual source. This is |
|
1180 |
// not a problem if the drag operation was initiated in this |
|
1181 |
// JVM. However, if it was initiated in another processes the |
|
1182 |
// responses will be lost. We bear with it for now, as it seems |
|
1183 |
// there is no other reliable point to clear. |
|
1184 |
XDragSourceContextPeer.setProxyModeSourceWindow(0); |
|
1185 |
} |
|
1186 |
} |
|
1187 |
||
1188 |
if (eventID == MouseEvent.MOUSE_RELEASED) {
|
|
1189 |
overXEmbedClient = false; |
|
1190 |
cleanup(); |
|
1191 |
} |
|
1192 |
||
1193 |
if (prevCtxt != 0) {
|
|
1194 |
unsafe.freeMemory(prevCtxt); |
|
1195 |
prevCtxt = 0; |
|
1196 |
} |
|
1197 |
||
1198 |
if (ctxt != 0 && overXEmbedClient) {
|
|
1199 |
prevCtxt = unsafe.allocateMemory(size + 4 * Native.getLongSize()); |
|
1200 |
||
1201 |
unsafe.copyMemory(ctxt, prevCtxt, size + 4 * Native.getLongSize()); |
|
1202 |
} |
|
1203 |
||
1204 |
return true; |
|
1205 |
} |
|
1206 |
||
1207 |
public boolean isXEmbedSupported() {
|
|
1208 |
return true; |
|
1209 |
} |
|
1210 |
} |