| author | alitvinov |
| Tue, 21 May 2013 05:02:21 +0400 | |
| changeset 17679 | a81555868357 |
| parent 5506 | 202f599c92aa |
| child 18178 | ee71c923891d |
| permissions | -rw-r--r-- |
| 2 | 1 |
/* |
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
2 |
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. 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. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* 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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||
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ef327bd847c0
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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/** |
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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
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46 |
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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47 |
PlatformLogger.getLogger("sun.awt.X11.xembed.xdnd.XDnDDropTargetProtocol");
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private static final Unsafe unsafe = XlibWrapper.unsafe; |
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50 |
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51 |
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; |
|
55 |
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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||
66 |
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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||
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try {
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Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION); |
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||
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
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XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
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XDnDConstants.XA_XdndAware.setAtomData(window, XAtom.XA_ATOM, data, 1); |
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
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5506
diff
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XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 94 |
|
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
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if ((XErrorHandlerUtil.saved_error != null) && |
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a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
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(XErrorHandlerUtil.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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439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
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2
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false, XConstants.AnyPropertyType); |
| 2 | 123 |
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124 |
try {
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2802
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6678385: Random java.lang.StackOverflowError from various JDKs
art
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439
diff
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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
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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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||
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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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||
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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 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
146 |
if (status == XConstants.Success && |
| 2 | 147 |
wpg2.getData() != 0 && |
148 |
wpg2.getActualType() == XAtom.XA_WINDOW) {
|
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149 |
||
150 |
proxy = Native.getLong(wpg2.getData()); |
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} |
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} finally {
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wpg2.dispose(); |
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} |
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if (proxy != 0) {
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WindowPropertyGetter wpg3 = |
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new WindowPropertyGetter(proxy, XDnDConstants.XA_XdndProxy, |
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0, 1, false, XAtom.XA_WINDOW); |
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160 |
||
161 |
try {
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2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
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162 |
status = wpg3.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 163 |
|
|
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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proxy = 0; |
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} else {
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WindowPropertyGetter wpg4 = |
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new WindowPropertyGetter(proxy, |
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XDnDConstants.XA_XdndAware, |
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0, 1, false, |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
175 |
XConstants.AnyPropertyType); |
| 2 | 176 |
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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 |
|
|
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 || |
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wpg4.getActualType() != XAtom.XA_ATOM) {
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||
184 |
proxy = 0; |
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} |
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} finally {
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wpg4.dispose(); |
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} |
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} |
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} finally {
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wpg3.dispose(); |
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} |
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} |
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} |
|
195 |
||
196 |
if (proxy == newProxy) {
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// Embedder already registered. |
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return; |
|
199 |
} |
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200 |
||
201 |
long data = Native.allocateLongArray(1); |
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202 |
||
203 |
try {
|
|
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Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION); |
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205 |
||
206 |
/* The proxy window must have the XdndAware set, as XDnD protocol |
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prescribes to check the proxy window for XdndAware. */ |
|
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
208 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 209 |
XDnDConstants.XA_XdndAware.setAtomData(newProxy, XAtom.XA_ATOM, |
210 |
data, 1); |
|
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
211 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 212 |
|
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
213 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
214 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 215 |
throw new XException("Cannot write XdndAware property");
|
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} |
|
217 |
||
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Native.putLong(data, 0, newProxy); |
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219 |
||
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/* The proxy window must have the XdndProxy set to point to itself.*/ |
|
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17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
221 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 222 |
XDnDConstants.XA_XdndProxy.setAtomData(newProxy, XAtom.XA_WINDOW, |
223 |
data, 1); |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
224 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 225 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
226 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
227 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 228 |
throw new XException("Cannot write XdndProxy property");
|
229 |
} |
|
230 |
||
231 |
Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION); |
|
232 |
||
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
233 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 234 |
XDnDConstants.XA_XdndAware.setAtomData(embedder, XAtom.XA_ATOM, |
235 |
data, 1); |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
236 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 237 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
238 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
239 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 240 |
throw new XException("Cannot write XdndAware property");
|
241 |
} |
|
242 |
||
243 |
Native.putLong(data, 0, newProxy); |
|
244 |
||
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
245 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 246 |
XDnDConstants.XA_XdndProxy.setAtomData(embedder, XAtom.XA_WINDOW, |
247 |
data, 1); |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
248 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 249 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
250 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
251 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 252 |
throw new XException("Cannot write XdndProxy property");
|
253 |
} |
|
254 |
} finally {
|
|
255 |
unsafe.freeMemory(data); |
|
256 |
data = 0; |
|
257 |
} |
|
258 |
||
259 |
putEmbedderRegistryEntry(embedder, overriden, version, proxy); |
|
260 |
} |
|
261 |
||
262 |
public void unregisterEmbedderDropSite(long embedder) {
|
|
263 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
264 |
||
265 |
EmbedderRegistryEntry entry = getEmbedderRegistryEntry(embedder); |
|
266 |
||
267 |
if (entry == null) {
|
|
268 |
return; |
|
269 |
} |
|
270 |
||
271 |
if (entry.isOverriden()) {
|
|
272 |
long data = Native.allocateLongArray(1); |
|
273 |
||
274 |
try {
|
|
275 |
Native.putLong(data, 0, entry.getVersion()); |
|
276 |
||
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
277 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 278 |
XDnDConstants.XA_XdndAware.setAtomData(embedder, XAtom.XA_ATOM, |
279 |
data, 1); |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
280 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 281 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
282 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
283 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 284 |
throw new XException("Cannot write XdndAware property");
|
285 |
} |
|
286 |
||
287 |
Native.putLong(data, 0, (int)entry.getProxy()); |
|
288 |
||
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
289 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 290 |
XDnDConstants.XA_XdndProxy.setAtomData(embedder, XAtom.XA_WINDOW, |
291 |
data, 1); |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
292 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 293 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
294 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
295 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 296 |
throw new XException("Cannot write XdndProxy property");
|
297 |
} |
|
298 |
} finally {
|
|
299 |
unsafe.freeMemory(data); |
|
300 |
data = 0; |
|
301 |
} |
|
302 |
} else {
|
|
303 |
XDnDConstants.XA_XdndAware.DeleteProperty(embedder); |
|
304 |
XDnDConstants.XA_XdndProxy.DeleteProperty(embedder); |
|
305 |
} |
|
306 |
} |
|
307 |
||
308 |
/* |
|
309 |
* Gets and stores in the registry the embedder's XDnD drop site info |
|
310 |
* from the embedded. |
|
311 |
*/ |
|
312 |
public void registerEmbeddedDropSite(long embedded) {
|
|
313 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
314 |
||
315 |
boolean overriden = false; |
|
316 |
int version = 0; |
|
317 |
long proxy = 0; |
|
318 |
long newProxy = XDropTargetRegistry.getDnDProxyWindow(); |
|
319 |
int status = 0; |
|
320 |
||
321 |
WindowPropertyGetter wpg1 = |
|
322 |
new WindowPropertyGetter(embedded, XDnDConstants.XA_XdndAware, 0, 1, |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
323 |
false, XConstants.AnyPropertyType); |
| 2 | 324 |
|
325 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
326 |
status = wpg1.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 327 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
328 |
if (status == XConstants.Success && |
| 2 | 329 |
wpg1.getData() != 0 && wpg1.getActualType() == XAtom.XA_ATOM) {
|
330 |
||
331 |
overriden = true; |
|
332 |
version = (int)Native.getLong(wpg1.getData()); |
|
333 |
} |
|
334 |
} finally {
|
|
335 |
wpg1.dispose(); |
|
336 |
} |
|
337 |
||
338 |
/* XdndProxy is not supported for prior to XDnD version 4 */ |
|
339 |
if (overriden && version >= 4) {
|
|
340 |
WindowPropertyGetter wpg2 = |
|
341 |
new WindowPropertyGetter(embedded, XDnDConstants.XA_XdndProxy, |
|
342 |
0, 1, false, XAtom.XA_WINDOW); |
|
343 |
||
344 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
345 |
status = wpg2.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 346 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
347 |
if (status == XConstants.Success && |
| 2 | 348 |
wpg2.getData() != 0 && |
349 |
wpg2.getActualType() == XAtom.XA_WINDOW) {
|
|
350 |
||
351 |
proxy = Native.getLong(wpg2.getData()); |
|
352 |
} |
|
353 |
} finally {
|
|
354 |
wpg2.dispose(); |
|
355 |
} |
|
356 |
||
357 |
if (proxy != 0) {
|
|
358 |
WindowPropertyGetter wpg3 = |
|
359 |
new WindowPropertyGetter(proxy, XDnDConstants.XA_XdndProxy, |
|
360 |
0, 1, false, XAtom.XA_WINDOW); |
|
361 |
||
362 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
363 |
status = wpg3.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 364 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
365 |
if (status != XConstants.Success || |
| 2 | 366 |
wpg3.getData() == 0 || |
367 |
wpg3.getActualType() != XAtom.XA_WINDOW || |
|
368 |
Native.getLong(wpg3.getData()) != proxy) {
|
|
369 |
||
370 |
proxy = 0; |
|
371 |
} else {
|
|
372 |
WindowPropertyGetter wpg4 = |
|
373 |
new WindowPropertyGetter(proxy, |
|
374 |
XDnDConstants.XA_XdndAware, |
|
375 |
0, 1, false, |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
376 |
XConstants.AnyPropertyType); |
| 2 | 377 |
|
378 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
379 |
status = wpg4.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 380 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
381 |
if (status != XConstants.Success || |
| 2 | 382 |
wpg4.getData() == 0 || |
383 |
wpg4.getActualType() != XAtom.XA_ATOM) {
|
|
384 |
||
385 |
proxy = 0; |
|
386 |
} |
|
387 |
} finally {
|
|
388 |
wpg4.dispose(); |
|
389 |
} |
|
390 |
} |
|
391 |
} finally {
|
|
392 |
wpg3.dispose(); |
|
393 |
} |
|
394 |
} |
|
395 |
} |
|
396 |
||
397 |
putEmbedderRegistryEntry(embedded, overriden, version, proxy); |
|
398 |
} |
|
399 |
||
400 |
public boolean isProtocolSupported(long window) {
|
|
401 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
402 |
||
403 |
WindowPropertyGetter wpg1 = |
|
404 |
new WindowPropertyGetter(window, XDnDConstants.XA_XdndAware, 0, 1, |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
405 |
false, XConstants.AnyPropertyType); |
| 2 | 406 |
|
407 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
408 |
int status = wpg1.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 409 |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
410 |
if (status == XConstants.Success && |
| 2 | 411 |
wpg1.getData() != 0 && wpg1.getActualType() == XAtom.XA_ATOM) {
|
412 |
||
413 |
return true; |
|
414 |
} else {
|
|
415 |
return false; |
|
416 |
} |
|
417 |
} finally {
|
|
418 |
wpg1.dispose(); |
|
419 |
} |
|
420 |
} |
|
421 |
||
422 |
private boolean processXdndEnter(XClientMessageEvent xclient) {
|
|
423 |
long source_win = 0; |
|
424 |
long source_win_mask = 0; |
|
425 |
int protocol_version = 0; |
|
426 |
int actions = DnDConstants.ACTION_NONE; |
|
427 |
boolean track = true; |
|
428 |
long[] formats = null; |
|
429 |
||
430 |
if (getSourceWindow() != 0) {
|
|
431 |
return false; |
|
432 |
} |
|
433 |
||
434 |
if (!(XToolkit.windowToXWindow(xclient.get_window()) instanceof XWindow) |
|
435 |
&& getEmbedderRegistryEntry(xclient.get_window()) == null) {
|
|
436 |
return false; |
|
437 |
} |
|
438 |
||
439 |
if (xclient.get_message_type() != XDnDConstants.XA_XdndEnter.getAtom()){
|
|
440 |
return false; |
|
441 |
} |
|
442 |
||
443 |
protocol_version = |
|
444 |
(int)((xclient.get_data(1) & XDnDConstants.XDND_PROTOCOL_MASK) >> |
|
445 |
XDnDConstants.XDND_PROTOCOL_SHIFT); |
|
446 |
||
447 |
/* XDnD compliance only requires supporting version 3 and up. */ |
|
448 |
if (protocol_version < XDnDConstants.XDND_MIN_PROTOCOL_VERSION) {
|
|
449 |
return false; |
|
450 |
} |
|
451 |
||
452 |
/* Ignore the source if the protocol version is higher than we support. */ |
|
453 |
if (protocol_version > XDnDConstants.XDND_PROTOCOL_VERSION) {
|
|
454 |
return false; |
|
455 |
} |
|
456 |
||
457 |
source_win = xclient.get_data(0); |
|
458 |
||
459 |
/* Extract the list of supported actions. */ |
|
460 |
if (protocol_version < 2) {
|
|
461 |
/* Prior to XDnD version 2 only COPY action was supported. */ |
|
462 |
actions = DnDConstants.ACTION_COPY; |
|
463 |
} else {
|
|
464 |
WindowPropertyGetter wpg = |
|
465 |
new WindowPropertyGetter(source_win, |
|
466 |
XDnDConstants.XA_XdndActionList, |
|
467 |
0, 0xFFFF, false, |
|
468 |
XAtom.XA_ATOM); |
|
469 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
470 |
wpg.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 471 |
|
472 |
if (wpg.getActualType() == XAtom.XA_ATOM && |
|
473 |
wpg.getActualFormat() == 32) {
|
|
474 |
long data = wpg.getData(); |
|
475 |
||
476 |
for (int i = 0; i < wpg.getNumberOfItems(); i++) {
|
|
477 |
actions |= |
|
478 |
XDnDConstants.getJavaActionForXDnDAction(Native.getLong(data, i)); |
|
479 |
} |
|
480 |
} else {
|
|
481 |
/* |
|
482 |
* According to XDnD protocol, XdndActionList is optional. |
|
483 |
* If XdndActionList is not set we try to guess which actions are |
|
484 |
* supported. |
|
485 |
*/ |
|
486 |
actions = DnDConstants.ACTION_COPY; |
|
487 |
track = true; |
|
488 |
} |
|
489 |
} finally {
|
|
490 |
wpg.dispose(); |
|
491 |
} |
|
492 |
} |
|
493 |
||
494 |
/* Extract the available data types. */ |
|
495 |
if ((xclient.get_data(1) & XDnDConstants.XDND_DATA_TYPES_BIT) != 0) {
|
|
496 |
WindowPropertyGetter wpg = |
|
497 |
new WindowPropertyGetter(source_win, |
|
498 |
XDnDConstants.XA_XdndTypeList, |
|
499 |
0, 0xFFFF, false, |
|
500 |
XAtom.XA_ATOM); |
|
501 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
502 |
wpg.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 503 |
|
504 |
if (wpg.getActualType() == XAtom.XA_ATOM && |
|
505 |
wpg.getActualFormat() == 32) {
|
|
506 |
formats = Native.toLongs(wpg.getData(), |
|
507 |
wpg.getNumberOfItems()); |
|
508 |
} else {
|
|
509 |
formats = new long[0]; |
|
510 |
} |
|
511 |
} finally {
|
|
512 |
wpg.dispose(); |
|
513 |
} |
|
514 |
} else {
|
|
515 |
int countFormats = 0; |
|
516 |
long[] formats3 = new long[3]; |
|
517 |
||
518 |
for (int i = 0; i < 3; i++) {
|
|
519 |
long j; |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
520 |
if ((j = xclient.get_data(2 + i)) != XConstants.None) {
|
| 2 | 521 |
formats3[countFormats++] = j; |
522 |
} |
|
523 |
} |
|
524 |
||
525 |
formats = new long[countFormats]; |
|
526 |
||
527 |
System.arraycopy(formats3, 0, formats, 0, countFormats); |
|
528 |
} |
|
529 |
||
530 |
assert XToolkit.isAWTLockHeldByCurrentThread(); |
|
531 |
||
532 |
/* |
|
533 |
* Select for StructureNotifyMask to receive DestroyNotify in case of source |
|
534 |
* crash. |
|
535 |
*/ |
|
536 |
XWindowAttributes wattr = new XWindowAttributes(); |
|
537 |
try {
|
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
538 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 539 |
int status = XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(), |
540 |
source_win, wattr.pData); |
|
541 |
||
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
542 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 543 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
544 |
if ((status == 0) || |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
545 |
((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
546 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success))) {
|
| 2 | 547 |
throw new XException("XGetWindowAttributes failed");
|
548 |
} |
|
549 |
||
550 |
source_win_mask = wattr.get_your_event_mask(); |
|
551 |
} finally {
|
|
552 |
wattr.dispose(); |
|
553 |
} |
|
554 |
||
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
555 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 556 |
XlibWrapper.XSelectInput(XToolkit.getDisplay(), source_win, |
557 |
source_win_mask | |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
558 |
XConstants.StructureNotifyMask); |
| 2 | 559 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
560 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 561 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
562 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
563 |
(XErrorHandlerUtil.saved_error.get_error_code() != XConstants.Success)) {
|
| 2 | 564 |
throw new XException("XSelectInput failed");
|
565 |
} |
|
566 |
||
567 |
sourceWindow = source_win; |
|
568 |
sourceWindowMask = source_win_mask; |
|
569 |
sourceProtocolVersion = protocol_version; |
|
570 |
sourceActions = actions; |
|
571 |
sourceFormats = formats; |
|
572 |
trackSourceActions = track; |
|
573 |
||
574 |
return true; |
|
575 |
} |
|
576 |
||
577 |
private boolean processXdndPosition(XClientMessageEvent xclient) {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
578 |
long time_stamp = (int)XConstants.CurrentTime; |
| 2 | 579 |
long xdnd_action = 0; |
580 |
int java_action = DnDConstants.ACTION_NONE; |
|
581 |
int x = 0; |
|
582 |
int y = 0; |
|
583 |
||
584 |
/* Ignore XDnD messages from all other windows. */ |
|
585 |
if (sourceWindow != xclient.get_data(0)) {
|
|
586 |
return false; |
|
587 |
} |
|
588 |
||
589 |
XWindow xwindow = null; |
|
590 |
{
|
|
591 |
XBaseWindow xbasewindow = XToolkit.windowToXWindow(xclient.get_window()); |
|
592 |
if (xbasewindow instanceof XWindow) {
|
|
593 |
xwindow = (XWindow)xbasewindow; |
|
594 |
} |
|
595 |
} |
|
596 |
||
597 |
x = (int)(xclient.get_data(2) >> 16); |
|
598 |
y = (int)(xclient.get_data(2) & 0xFFFF); |
|
599 |
||
600 |
if (xwindow == null) {
|
|
601 |
long receiver = |
|
602 |
XDropTargetRegistry.getRegistry().getEmbeddedDropSite( |
|
603 |
xclient.get_window(), x, y); |
|
604 |
||
605 |
if (receiver != 0) {
|
|
606 |
XBaseWindow xbasewindow = XToolkit.windowToXWindow(receiver); |
|
607 |
if (xbasewindow instanceof XWindow) {
|
|
608 |
xwindow = (XWindow)xbasewindow; |
|
609 |
} |
|
610 |
} |
|
611 |
} |
|
612 |
||
613 |
if (xwindow != null) {
|
|
614 |
/* Translate mouse position from root coordinates |
|
615 |
to the target window coordinates. */ |
|
616 |
Point p = xwindow.toLocal(x, y); |
|
617 |
x = p.x; |
|
618 |
y = p.y; |
|
619 |
} |
|
620 |
||
621 |
/* Time stamp - new in XDnD version 1. */ |
|
622 |
if (sourceProtocolVersion > 0) {
|
|
623 |
time_stamp = xclient.get_data(3); |
|
624 |
} |
|
625 |
||
626 |
/* User action - new in XDnD version 2. */ |
|
627 |
if (sourceProtocolVersion > 1) {
|
|
628 |
xdnd_action = xclient.get_data(4); |
|
629 |
} else {
|
|
630 |
/* The default action is XdndActionCopy */ |
|
631 |
xdnd_action = XDnDConstants.XA_XdndActionCopy.getAtom(); |
|
632 |
} |
|
633 |
||
634 |
java_action = XDnDConstants.getJavaActionForXDnDAction(xdnd_action); |
|
635 |
||
636 |
if (trackSourceActions) {
|
|
637 |
sourceActions |= java_action; |
|
638 |
} |
|
639 |
||
640 |
if (xwindow == null) {
|
|
641 |
if (targetXWindow != null) {
|
|
642 |
notifyProtocolListener(targetXWindow, x, y, |
|
643 |
DnDConstants.ACTION_NONE, xclient, |
|
644 |
MouseEvent.MOUSE_EXITED); |
|
645 |
} |
|
646 |
} else {
|
|
647 |
int java_event_id = 0; |
|
648 |
||
649 |
if (targetXWindow == null) {
|
|
650 |
java_event_id = MouseEvent.MOUSE_ENTERED; |
|
651 |
} else {
|
|
652 |
java_event_id = MouseEvent.MOUSE_DRAGGED; |
|
653 |
} |
|
654 |
||
655 |
notifyProtocolListener(xwindow, x, y, java_action, xclient, |
|
656 |
java_event_id); |
|
657 |
} |
|
658 |
||
659 |
userAction = java_action; |
|
660 |
sourceX = x; |
|
661 |
sourceY = y; |
|
662 |
targetXWindow = xwindow; |
|
663 |
||
664 |
return true; |
|
665 |
} |
|
666 |
||
667 |
private boolean processXdndLeave(XClientMessageEvent xclient) {
|
|
668 |
/* Ignore XDnD messages from all other windows. */ |
|
669 |
if (sourceWindow != xclient.get_data(0)) {
|
|
670 |
return false; |
|
671 |
} |
|
672 |
||
673 |
cleanup(); |
|
674 |
||
675 |
return true; |
|
676 |
} |
|
677 |
||
678 |
private boolean processXdndDrop(XClientMessageEvent xclient) {
|
|
679 |
/* Ignore XDnD messages from all other windows. */ |
|
680 |
if (sourceWindow != xclient.get_data(0)) {
|
|
681 |
return false; |
|
682 |
} |
|
683 |
||
684 |
if (targetXWindow != null) {
|
|
685 |
notifyProtocolListener(targetXWindow, sourceX, sourceY, userAction, |
|
686 |
xclient, MouseEvent.MOUSE_RELEASED); |
|
687 |
} |
|
688 |
||
689 |
return true; |
|
690 |
} |
|
691 |
||
692 |
public int getMessageType(XClientMessageEvent xclient) {
|
|
693 |
long messageType = xclient.get_message_type(); |
|
694 |
||
695 |
if (messageType == XDnDConstants.XA_XdndEnter.getAtom()) {
|
|
696 |
return ENTER_MESSAGE; |
|
697 |
} else if (messageType == XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
698 |
return MOTION_MESSAGE; |
|
699 |
} else if (messageType == XDnDConstants.XA_XdndLeave.getAtom()) {
|
|
700 |
return LEAVE_MESSAGE; |
|
701 |
} else if (messageType == XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
702 |
return DROP_MESSAGE; |
|
703 |
} else {
|
|
704 |
return UNKNOWN_MESSAGE; |
|
705 |
} |
|
706 |
} |
|
707 |
||
708 |
protected boolean processClientMessageImpl(XClientMessageEvent xclient) {
|
|
709 |
long messageType = xclient.get_message_type(); |
|
710 |
||
711 |
if (messageType == XDnDConstants.XA_XdndEnter.getAtom()) {
|
|
712 |
return processXdndEnter(xclient); |
|
713 |
} else if (messageType == XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
714 |
return processXdndPosition(xclient); |
|
715 |
} else if (messageType == XDnDConstants.XA_XdndLeave.getAtom()) {
|
|
716 |
return processXdndLeave(xclient); |
|
717 |
} else if (messageType == XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
718 |
return processXdndDrop(xclient); |
|
719 |
} else {
|
|
720 |
return false; |
|
721 |
} |
|
722 |
} |
|
723 |
||
724 |
protected void sendEnterMessageToToplevel(long toplevel, |
|
725 |
XClientMessageEvent xclient) {
|
|
726 |
/* flags */ |
|
727 |
long data1 = sourceProtocolVersion << XDnDConstants.XDND_PROTOCOL_SHIFT; |
|
728 |
if (sourceFormats != null && sourceFormats.length > 3) {
|
|
729 |
data1 |= XDnDConstants.XDND_DATA_TYPES_BIT; |
|
730 |
} |
|
731 |
long data2 = sourceFormats.length > 0 ? sourceFormats[0] : 0; |
|
732 |
long data3 = sourceFormats.length > 1 ? sourceFormats[1] : 0; |
|
733 |
long data4 = sourceFormats.length > 2 ? sourceFormats[2] : 0; |
|
734 |
sendEnterMessageToToplevelImpl(toplevel, xclient.get_data(0), |
|
735 |
data1, data2, data3, data4); |
|
736 |
||
737 |
} |
|
738 |
||
739 |
private void sendEnterMessageToToplevelImpl(long toplevel, |
|
740 |
long sourceWindow, |
|
741 |
long data1, long data2, |
|
742 |
long data3, long data4) {
|
|
743 |
XClientMessageEvent enter = new XClientMessageEvent(); |
|
744 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
745 |
enter.set_type((int)XConstants.ClientMessage); |
| 2 | 746 |
enter.set_window(toplevel); |
747 |
enter.set_format(32); |
|
748 |
enter.set_message_type(XDnDConstants.XA_XdndEnter.getAtom()); |
|
749 |
/* XID of the source window */ |
|
750 |
enter.set_data(0, sourceWindow); |
|
751 |
enter.set_data(1, data1); |
|
752 |
enter.set_data(2, data2); |
|
753 |
enter.set_data(3, data3); |
|
754 |
enter.set_data(4, data4); |
|
755 |
||
756 |
forwardClientMessageToToplevel(toplevel, enter); |
|
757 |
} finally {
|
|
758 |
enter.dispose(); |
|
759 |
} |
|
760 |
} |
|
761 |
||
762 |
protected void sendLeaveMessageToToplevel(long toplevel, |
|
763 |
XClientMessageEvent xclient) {
|
|
764 |
sendLeaveMessageToToplevelImpl(toplevel, xclient.get_data(0)); |
|
765 |
} |
|
766 |
||
767 |
protected void sendLeaveMessageToToplevelImpl(long toplevel, |
|
768 |
long sourceWindow) {
|
|
769 |
XClientMessageEvent leave = new XClientMessageEvent(); |
|
770 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
771 |
leave.set_type((int)XConstants.ClientMessage); |
| 2 | 772 |
leave.set_window(toplevel); |
773 |
leave.set_format(32); |
|
774 |
leave.set_message_type(XDnDConstants.XA_XdndLeave.getAtom()); |
|
775 |
/* XID of the source window */ |
|
776 |
leave.set_data(0, sourceWindow); |
|
777 |
/* flags */ |
|
778 |
leave.set_data(1, 0); |
|
779 |
||
780 |
forwardClientMessageToToplevel(toplevel, leave); |
|
781 |
} finally {
|
|
782 |
leave.dispose(); |
|
783 |
} |
|
784 |
} |
|
785 |
||
786 |
public boolean sendResponse(long ctxt, int eventID, int action) {
|
|
787 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
788 |
||
789 |
if (xclient.get_message_type() != |
|
790 |
XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
791 |
||
792 |
return false; |
|
793 |
} |
|
794 |
||
795 |
if (eventID == MouseEvent.MOUSE_EXITED) {
|
|
796 |
action = DnDConstants.ACTION_NONE; |
|
797 |
} |
|
798 |
||
799 |
XClientMessageEvent msg = new XClientMessageEvent(); |
|
800 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
801 |
msg.set_type((int)XConstants.ClientMessage); |
| 2 | 802 |
msg.set_window(xclient.get_data(0)); |
803 |
msg.set_format(32); |
|
804 |
msg.set_message_type(XDnDConstants.XA_XdndStatus.getAtom()); |
|
805 |
/* target window */ |
|
806 |
msg.set_data(0, xclient.get_window()); |
|
807 |
/* flags */ |
|
808 |
long flags = 0; |
|
809 |
if (action != DnDConstants.ACTION_NONE) {
|
|
810 |
flags |= XDnDConstants.XDND_ACCEPT_DROP_FLAG; |
|
811 |
} |
|
812 |
msg.set_data(1, flags); |
|
813 |
/* specify an empty rectangle */ |
|
814 |
msg.set_data(2, 0); /* x, y */ |
|
815 |
msg.set_data(3, 0); /* w, h */ |
|
816 |
/* action accepted by the target */ |
|
817 |
msg.set_data(4, XDnDConstants.getXDnDActionForJavaAction(action)); |
|
818 |
||
819 |
XToolkit.awtLock(); |
|
820 |
try {
|
|
821 |
XlibWrapper.XSendEvent(XToolkit.getDisplay(), |
|
822 |
xclient.get_data(0), |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
823 |
false, XConstants.NoEventMask, |
| 2 | 824 |
msg.pData); |
825 |
} finally {
|
|
826 |
XToolkit.awtUnlock(); |
|
827 |
} |
|
828 |
} finally {
|
|
829 |
msg.dispose(); |
|
830 |
} |
|
831 |
||
832 |
return true; |
|
833 |
} |
|
834 |
||
835 |
public Object getData(long ctxt, long format) |
|
836 |
throws IllegalArgumentException, IOException {
|
|
837 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
838 |
long message_type = xclient.get_message_type(); |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
839 |
long time_stamp = XConstants.CurrentTime; |
| 2 | 840 |
|
841 |
// NOTE: we assume that the source supports at least version 1, so we |
|
842 |
// can use the time stamp |
|
843 |
if (message_type == XDnDConstants.XA_XdndPosition.getAtom()) {
|
|
844 |
// X server time is an unsigned 32-bit number! |
|
845 |
time_stamp = xclient.get_data(3) & 0xFFFFFFFFL; |
|
846 |
} else if (message_type == XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
847 |
// X server time is an unsigned 32-bit number! |
|
848 |
time_stamp = xclient.get_data(2) & 0xFFFFFFFFL; |
|
849 |
} else {
|
|
850 |
throw new IllegalArgumentException(); |
|
851 |
} |
|
852 |
||
853 |
return XDnDConstants.XDnDSelection.getData(format, time_stamp); |
|
854 |
} |
|
855 |
||
856 |
public boolean sendDropDone(long ctxt, boolean success, int dropAction) {
|
|
857 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
858 |
||
859 |
if (xclient.get_message_type() != |
|
860 |
XDnDConstants.XA_XdndDrop.getAtom()) {
|
|
861 |
return false; |
|
862 |
} |
|
863 |
||
864 |
/* |
|
865 |
* The XDnD protocol recommends that the target requests the special |
|
866 |
* target DELETE in case if the drop action is XdndActionMove. |
|
867 |
*/ |
|
868 |
if (dropAction == DnDConstants.ACTION_MOVE && success) {
|
|
869 |
||
870 |
long time_stamp = xclient.get_data(2); |
|
871 |
long xdndSelectionAtom = |
|
872 |
XDnDConstants.XDnDSelection.getSelectionAtom().getAtom(); |
|
873 |
||
874 |
XToolkit.awtLock(); |
|
875 |
try {
|
|
876 |
XlibWrapper.XConvertSelection(XToolkit.getDisplay(), |
|
877 |
xdndSelectionAtom, |
|
878 |
XAtom.get("DELETE").getAtom(),
|
|
879 |
XAtom.get("XAWT_SELECTION").getAtom(),
|
|
880 |
XWindow.getXAWTRootWindow().getWindow(), |
|
881 |
time_stamp); |
|
882 |
} finally {
|
|
883 |
XToolkit.awtUnlock(); |
|
884 |
} |
|
885 |
} |
|
886 |
||
887 |
XClientMessageEvent msg = new XClientMessageEvent(); |
|
888 |
try {
|
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
889 |
msg.set_type((int)XConstants.ClientMessage); |
| 2 | 890 |
msg.set_window(xclient.get_data(0)); |
891 |
msg.set_format(32); |
|
892 |
msg.set_message_type(XDnDConstants.XA_XdndFinished.getAtom()); |
|
893 |
msg.set_data(0, xclient.get_window()); /* target window */ |
|
894 |
msg.set_data(1, 0); /* flags */ |
|
895 |
/* specify an empty rectangle */ |
|
896 |
msg.set_data(2, 0); |
|
897 |
if (sourceProtocolVersion >= 5) {
|
|
898 |
if (success) {
|
|
899 |
msg.set_data(1, XDnDConstants.XDND_ACCEPT_DROP_FLAG); |
|
900 |
} |
|
901 |
/* action performed by the target */ |
|
902 |
msg.set_data(2, XDnDConstants.getXDnDActionForJavaAction(dropAction)); |
|
903 |
} |
|
904 |
msg.set_data(3, 0); |
|
905 |
msg.set_data(4, 0); |
|
906 |
||
907 |
XToolkit.awtLock(); |
|
908 |
try {
|
|
909 |
XlibWrapper.XSendEvent(XToolkit.getDisplay(), |
|
910 |
xclient.get_data(0), |
|
|
439
3488710b02f8
6623459: Get rid of XConstant, XProtocolConstants and XUtilConstants antipattern
dav
parents:
2
diff
changeset
|
911 |
false, XConstants.NoEventMask, |
| 2 | 912 |
msg.pData); |
913 |
} finally {
|
|
914 |
XToolkit.awtUnlock(); |
|
915 |
} |
|
916 |
} finally {
|
|
917 |
msg.dispose(); |
|
918 |
} |
|
919 |
||
920 |
/* |
|
921 |
* Flush the buffer to guarantee that the drop completion event is sent |
|
922 |
* to the source before the method returns. |
|
923 |
*/ |
|
924 |
XToolkit.awtLock(); |
|
925 |
try {
|
|
926 |
XlibWrapper.XFlush(XToolkit.getDisplay()); |
|
927 |
} finally {
|
|
928 |
XToolkit.awtUnlock(); |
|
929 |
} |
|
930 |
||
931 |
/* Trick to prevent cleanup() from posting dragExit */ |
|
932 |
targetXWindow = null; |
|
933 |
||
934 |
/* Cannot do cleanup before the drop finishes as we may need |
|
935 |
source protocol version to send drop finished message. */ |
|
936 |
cleanup(); |
|
937 |
return true; |
|
938 |
} |
|
939 |
||
940 |
public final long getSourceWindow() {
|
|
941 |
return sourceWindow; |
|
942 |
} |
|
943 |
||
944 |
/** |
|
945 |
* Reset the state of the object. |
|
946 |
*/ |
|
947 |
public void cleanup() {
|
|
948 |
// Clear the reference to this protocol. |
|
949 |
XDropTargetEventProcessor.reset(); |
|
950 |
||
951 |
if (targetXWindow != null) {
|
|
952 |
notifyProtocolListener(targetXWindow, 0, 0, |
|
953 |
DnDConstants.ACTION_NONE, null, |
|
954 |
MouseEvent.MOUSE_EXITED); |
|
955 |
} |
|
956 |
||
957 |
if (sourceWindow != 0) {
|
|
958 |
XToolkit.awtLock(); |
|
959 |
try {
|
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
960 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 961 |
XlibWrapper.XSelectInput(XToolkit.getDisplay(), sourceWindow, |
962 |
sourceWindowMask); |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
963 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 964 |
} finally {
|
965 |
XToolkit.awtUnlock(); |
|
966 |
} |
|
967 |
} |
|
968 |
||
969 |
sourceWindow = 0; |
|
970 |
sourceWindowMask = 0; |
|
971 |
sourceProtocolVersion = 0; |
|
972 |
sourceActions = DnDConstants.ACTION_NONE; |
|
973 |
sourceFormats = null; |
|
974 |
trackSourceActions = false; |
|
975 |
userAction = DnDConstants.ACTION_NONE; |
|
976 |
sourceX = 0; |
|
977 |
sourceY = 0; |
|
978 |
targetXWindow = null; |
|
979 |
} |
|
980 |
||
981 |
public boolean isDragOverComponent() {
|
|
982 |
return targetXWindow != null; |
|
983 |
} |
|
984 |
||
985 |
public void adjustEventForForwarding(XClientMessageEvent xclient, |
|
986 |
EmbedderRegistryEntry entry) {
|
|
987 |
/* Adjust the event to match the XDnD protocol version. */ |
|
988 |
int version = entry.getVersion(); |
|
989 |
if (xclient.get_message_type() == XDnDConstants.XA_XdndEnter.getAtom()) {
|
|
990 |
int min_version = sourceProtocolVersion < version ? |
|
991 |
sourceProtocolVersion : version; |
|
992 |
long data1 = min_version << XDnDConstants.XDND_PROTOCOL_SHIFT; |
|
993 |
if (sourceFormats != null && sourceFormats.length > 3) {
|
|
994 |
data1 |= XDnDConstants.XDND_DATA_TYPES_BIT; |
|
995 |
} |
|
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
996 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 997 |
logger.finest(" "
|
998 |
+ " entryVersion=" + version |
|
999 |
+ " sourceProtocolVersion=" + |
|
1000 |
sourceProtocolVersion |
|
1001 |
+ " sourceFormats.length=" + |
|
1002 |
(sourceFormats != null ? sourceFormats.length : 0)); |
|
1003 |
} |
|
1004 |
xclient.set_data(1, data1); |
|
1005 |
} |
|
1006 |
} |
|
1007 |
||
1008 |
private void notifyProtocolListener(XWindow xwindow, int x, int y, |
|
1009 |
int dropAction, |
|
1010 |
XClientMessageEvent xclient, |
|
1011 |
int eventID) {
|
|
1012 |
long nativeCtxt = 0; |
|
1013 |
||
1014 |
// Make a copy of the passed XClientMessageEvent structure, since |
|
1015 |
// the original structure can be freed before this |
|
1016 |
// SunDropTargetEvent is dispatched. |
|
1017 |
if (xclient != null) {
|
|
1018 |
int size = new XClientMessageEvent(nativeCtxt).getSize(); |
|
1019 |
||
1020 |
nativeCtxt = unsafe.allocateMemory(size + 4 * Native.getLongSize()); |
|
1021 |
||
1022 |
unsafe.copyMemory(xclient.pData, nativeCtxt, size); |
|
1023 |
||
1024 |
long data1 = sourceProtocolVersion << XDnDConstants.XDND_PROTOCOL_SHIFT; |
|
1025 |
if (sourceFormats != null && sourceFormats.length > 3) {
|
|
1026 |
data1 |= XDnDConstants.XDND_DATA_TYPES_BIT; |
|
1027 |
} |
|
1028 |
// Append information from the latest XdndEnter event. |
|
1029 |
Native.putLong(nativeCtxt + size, data1); |
|
1030 |
Native.putLong(nativeCtxt + size + Native.getLongSize(), |
|
1031 |
sourceFormats.length > 0 ? sourceFormats[0] : 0); |
|
1032 |
Native.putLong(nativeCtxt + size + 2 * Native.getLongSize(), |
|
1033 |
sourceFormats.length > 1 ? sourceFormats[1] : 0); |
|
1034 |
Native.putLong(nativeCtxt + size + 3 * Native.getLongSize(), |
|
1035 |
sourceFormats.length > 2 ? sourceFormats[2] : 0); |
|
1036 |
} |
|
1037 |
||
1038 |
getProtocolListener().handleDropTargetNotification(xwindow, x, y, |
|
1039 |
dropAction, |
|
1040 |
sourceActions, |
|
1041 |
sourceFormats, |
|
1042 |
nativeCtxt, |
|
1043 |
eventID); |
|
1044 |
} |
|
1045 |
||
1046 |
/* |
|
1047 |
* The methods/fields defined below are executed/accessed only on |
|
1048 |
* the toolkit thread. |
|
1049 |
* The methods/fields defined below are executed/accessed only on the event |
|
1050 |
* dispatch thread. |
|
1051 |
*/ |
|
1052 |
||
1053 |
public boolean forwardEventToEmbedded(long embedded, long ctxt, |
|
1054 |
int eventID) {
|
|
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1055 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 1056 |
logger.finest(" ctxt=" + ctxt +
|
1057 |
" type=" + (ctxt != 0 ? |
|
1058 |
getMessageType(new |
|
1059 |
XClientMessageEvent(ctxt)) : 0) + |
|
1060 |
" prevCtxt=" + prevCtxt + |
|
1061 |
" prevType=" + (prevCtxt != 0 ? |
|
1062 |
getMessageType(new |
|
1063 |
XClientMessageEvent(prevCtxt)) : 0)); |
|
1064 |
} |
|
1065 |
if ((ctxt == 0 || |
|
1066 |
getMessageType(new XClientMessageEvent(ctxt)) == UNKNOWN_MESSAGE) && |
|
1067 |
(prevCtxt == 0 || |
|
1068 |
getMessageType(new XClientMessageEvent(prevCtxt)) == UNKNOWN_MESSAGE)) {
|
|
1069 |
return false; |
|
1070 |
} |
|
1071 |
||
1072 |
// The size of XClientMessageEvent structure. |
|
1073 |
int size = XClientMessageEvent.getSize(); |
|
1074 |
||
1075 |
if (ctxt != 0) {
|
|
1076 |
XClientMessageEvent xclient = new XClientMessageEvent(ctxt); |
|
1077 |
if (!overXEmbedClient) {
|
|
1078 |
long data1 = Native.getLong(ctxt + size); |
|
1079 |
long data2 = Native.getLong(ctxt + size + Native.getLongSize()); |
|
1080 |
long data3 = Native.getLong(ctxt + size + 2 * Native.getLongSize()); |
|
1081 |
long data4 = Native.getLong(ctxt + size + 3 * Native.getLongSize()); |
|
1082 |
||
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1083 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 1084 |
logger.finest(" 1 "
|
1085 |
+ " embedded=" + embedded |
|
1086 |
+ " source=" + xclient.get_data(0) |
|
1087 |
+ " data1=" + data1 |
|
1088 |
+ " data2=" + data2 |
|
1089 |
+ " data3=" + data3 |
|
1090 |
+ " data4=" + data4); |
|
1091 |
} |
|
1092 |
||
1093 |
// Copy XdndTypeList from source to proxy. |
|
1094 |
if ((data1 & XDnDConstants.XDND_DATA_TYPES_BIT) != 0) {
|
|
1095 |
WindowPropertyGetter wpg = |
|
1096 |
new WindowPropertyGetter(xclient.get_data(0), |
|
1097 |
XDnDConstants.XA_XdndTypeList, |
|
1098 |
0, 0xFFFF, false, |
|
1099 |
XAtom.XA_ATOM); |
|
1100 |
try {
|
|
|
2802
d05a9dcc8296
6678385: Random java.lang.StackOverflowError from various JDKs
art
parents:
439
diff
changeset
|
1101 |
wpg.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance()); |
| 2 | 1102 |
|
1103 |
if (wpg.getActualType() == XAtom.XA_ATOM && |
|
1104 |
wpg.getActualFormat() == 32) {
|
|
1105 |
||
1106 |
XToolkit.awtLock(); |
|
1107 |
try {
|
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
1108 |
XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance()); |
| 2 | 1109 |
XDnDConstants.XA_XdndTypeList.setAtomData(xclient.get_window(), |
1110 |
XAtom.XA_ATOM, |
|
1111 |
wpg.getData(), |
|
1112 |
wpg.getNumberOfItems()); |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
1113 |
XErrorHandlerUtil.RESTORE_XERROR_HANDLER(); |
| 2 | 1114 |
|
|
17679
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
1115 |
if ((XErrorHandlerUtil.saved_error != null) && |
|
a81555868357
8005607: Recursion in J2DXErrHandler() Causes a Stack Overflow on Linux
alitvinov
parents:
5506
diff
changeset
|
1116 |
(XErrorHandlerUtil.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
|
1117 |
if (logger.isLoggable(PlatformLogger.WARNING)) {
|
| 2 | 1118 |
logger.warning("Cannot set XdndTypeList on the proxy window");
|
1119 |
} |
|
1120 |
} |
|
1121 |
} finally {
|
|
1122 |
XToolkit.awtUnlock(); |
|
1123 |
} |
|
1124 |
} else {
|
|
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1125 |
if (logger.isLoggable(PlatformLogger.WARNING)) {
|
| 2 | 1126 |
logger.warning("Cannot read XdndTypeList from the source window");
|
1127 |
} |
|
1128 |
} |
|
1129 |
} finally {
|
|
1130 |
wpg.dispose(); |
|
1131 |
} |
|
1132 |
} |
|
1133 |
XDragSourceContextPeer.setProxyModeSourceWindow(xclient.get_data(0)); |
|
1134 |
||
1135 |
sendEnterMessageToToplevelImpl(embedded, xclient.get_window(), |
|
1136 |
data1, data2, data3, data4); |
|
1137 |
overXEmbedClient = true; |
|
1138 |
} |
|
1139 |
||
|
3938
ef327bd847c0
6879044: Eliminate the dependency on logging from the AWT/2D/Swing classes
mchung
parents:
2802
diff
changeset
|
1140 |
if (logger.isLoggable(PlatformLogger.FINEST)) {
|
| 2 | 1141 |
logger.finest(" 2 "
|
1142 |
+ " embedded=" + embedded |
|
1143 |
+ " xclient=" + xclient); |
|
1144 |
} |
|
1145 |
||
1146 |
/* Make a copy of the original event, since we are going to modify the |
|
1147 |
event while it still can be referenced from other Java events. */ |
|
1148 |
{
|
|
1149 |
XClientMessageEvent copy = new XClientMessageEvent(); |
|
1150 |
unsafe.copyMemory(xclient.pData, copy.pData, copy.getSize()); |
|
1151 |
||
1152 |
copy.set_data(0, xclient.get_window()); |
|
1153 |
||
1154 |
forwardClientMessageToToplevel(embedded, copy); |
|
1155 |
} |
|
1156 |
} |
|
1157 |
||
1158 |
if (eventID == MouseEvent.MOUSE_EXITED) {
|
|
1159 |
if (overXEmbedClient) {
|
|
1160 |
if (ctxt != 0 || prevCtxt != 0) {
|
|
1161 |
// Last chance to send XdndLeave to the XEmbed client. |
|
1162 |
XClientMessageEvent xclient = ctxt != 0 ? |
|
1163 |
new XClientMessageEvent(ctxt) : |
|
1164 |
new XClientMessageEvent(prevCtxt); |
|
1165 |
sendLeaveMessageToToplevelImpl(embedded, xclient.get_window()); |
|
1166 |
} |
|
1167 |
overXEmbedClient = false; |
|
1168 |
// We have to clear the proxy mode source window here, |
|
1169 |
// when the drag exits the XEmbedCanvasPeer. |
|
1170 |
// NOTE: at this point the XEmbed client still might have some |
|
1171 |
// drag notifications to process and it will send responses to |
|
1172 |
// us. With the proxy mode source window cleared we won't be |
|
1173 |
// able to forward these responses to the actual source. This is |
|
1174 |
// not a problem if the drag operation was initiated in this |
|
1175 |
// JVM. However, if it was initiated in another processes the |
|
1176 |
// responses will be lost. We bear with it for now, as it seems |
|
1177 |
// there is no other reliable point to clear. |
|
1178 |
XDragSourceContextPeer.setProxyModeSourceWindow(0); |
|
1179 |
} |
|
1180 |
} |
|
1181 |
||
1182 |
if (eventID == MouseEvent.MOUSE_RELEASED) {
|
|
1183 |
overXEmbedClient = false; |
|
1184 |
cleanup(); |
|
1185 |
} |
|
1186 |
||
1187 |
if (prevCtxt != 0) {
|
|
1188 |
unsafe.freeMemory(prevCtxt); |
|
1189 |
prevCtxt = 0; |
|
1190 |
} |
|
1191 |
||
1192 |
if (ctxt != 0 && overXEmbedClient) {
|
|
1193 |
prevCtxt = unsafe.allocateMemory(size + 4 * Native.getLongSize()); |
|
1194 |
||
1195 |
unsafe.copyMemory(ctxt, prevCtxt, size + 4 * Native.getLongSize()); |
|
1196 |
} |
|
1197 |
||
1198 |
return true; |
|
1199 |
} |
|
1200 |
||
1201 |
public boolean isXEmbedSupported() {
|
|
1202 |
return true; |
|
1203 |
} |
|
1204 |
} |