Rectangle getClientBounds() {
XToolkit.awtLock();
try {
XWindowAttributes wattr = new XWindowAttributes();
try {
XToolkit.WITH_XERROR_HANDLER(XErrorHandler.IgnoreBadWindowHandler.getInstance());
int status =
XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(), xembed.handle, wattr.pData);
XToolkit.RESTORE_XERROR_HANDLER();
if (status == 0
|| (XToolkit.saved_error != null
&& XToolkit.saved_error.get_error_code() != XConstants.Success)) {
return null;
}
return new Rectangle(wattr.get_x(), wattr.get_y(), wattr.get_width(), wattr.get_height());
} finally {
wattr.dispose();
}
} finally {
XToolkit.awtUnlock();
}
}
void endDispatching() {
xembedLog.fine("End dispatching for " + Long.toHexString(xembed.handle));
XToolkit.awtLock();
try {
XDropTargetRegistry.getRegistry().unregisterXEmbedClient(getWindow(), xembed.handle);
// We can't deselect input since someone else might be interested in it
XToolkit.removeEventDispatcher(xembed.handle, xembed);
} finally {
XToolkit.awtUnlock();
}
}
void childResized() {
if (xembedLog.isLoggable(PlatformLogger.FINER)) {
Rectangle bounds = getClientBounds();
xembedLog.finer("Child resized: " + bounds);
// It is not required to update embedder's size when client size changes
// However, since there is no any means to get client size it seems to be the
// only way to provide it. However, it contradicts with Java layout concept -
// so it is disabled for now.
// Rectangle my_bounds = getBounds();
// setBounds(my_bounds.x, my_bounds.y, bounds.width, bounds.height, SET_BOUNDS);
}
XToolkit.postEvent(
XToolkit.targetToAppContext(target),
new ComponentEvent(target, ComponentEvent.COMPONENT_RESIZED));
}
public Dimension getMinimumSize() {
if (isXEmbedActive()) {
XToolkit.awtLock();
try {
long p_hints = XlibWrapper.XAllocSizeHints();
XSizeHints hints = new XSizeHints(p_hints);
XlibWrapper.XGetWMNormalHints(
XToolkit.getDisplay(), xembed.handle, p_hints, XlibWrapper.larg1);
Dimension res = new Dimension(hints.get_min_width(), hints.get_min_height());
XlibWrapper.XFree(p_hints);
return res;
} finally {
XToolkit.awtUnlock();
}
} else {
return super.getMinimumSize();
}
}
void initDispatching() {
if (xembedLog.isLoggable(PlatformLogger.FINE))
xembedLog.fine("Init embedding for " + Long.toHexString(xembed.handle));
XToolkit.awtLock();
try {
XToolkit.addEventDispatcher(xembed.handle, xembed);
XlibWrapper.XSelectInput(
XToolkit.getDisplay(),
xembed.handle,
XConstants.StructureNotifyMask | XConstants.PropertyChangeMask);
XDropTargetRegistry.getRegistry().registerXEmbedClient(getWindow(), xembed.handle);
} finally {
XToolkit.awtUnlock();
}
xembed.processXEmbedInfo();
notifyChildEmbedded();
}
public boolean processXEmbedDnDEvent(long ctxt, int eventID) {
if (xembedLog.isLoggable(PlatformLogger.FINEST)) {
xembedLog.finest(" Drop target=" + target.getDropTarget());
}
if (target.getDropTarget() instanceof XEmbedDropTarget) {
AppContext appContext = XToolkit.targetToAppContext(getTarget());
XDropTargetContextPeer peer = XDropTargetContextPeer.getPeer(appContext);
peer.forwardEventToEmbedded(xembed.handle, ctxt, eventID);
return true;
} else {
return false;
}
}
void detachChild() {
if (xembedLog.isLoggable(PlatformLogger.FINE))
xembedLog.fine("Detaching child " + Long.toHexString(xembed.handle));
/**
* XEmbed specification: "The embedder can unmap the client and reparent the client window to
* the root window. If the client receives an ReparentNotify event, it should check the parent
* field of the XReparentEvent structure. If this is the root window of the window's screen,
* then the protocol is finished and there is no further interaction. If it is a window other
* than the root window, then the protocol continues with the new parent acting as the embedder
* window."
*/
XToolkit.awtLock();
try {
XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), xembed.handle);
XlibWrapper.XReparentWindow(
XToolkit.getDisplay(), xembed.handle, XToolkit.getDefaultRootWindow(), 0, 0);
} finally {
XToolkit.awtUnlock();
}
endDispatching();
xembed.handle = 0;
}
void forwardKeyEvent(KeyEvent e) {
xembedLog.fine("Try to forward key event");
byte[] bdata = getBData(e);
long data = Native.toData(bdata);
if (data == 0) {
return;
}
try {
XKeyEvent ke = new XKeyEvent(data);
ke.set_window(xembed.handle);
if (xembedLog.isLoggable(PlatformLogger.FINE))
xembedLog.fine("Forwarding native key event: " + ke);
XToolkit.awtLock();
try {
XlibWrapper.XSendEvent(
XToolkit.getDisplay(), xembed.handle, false, XConstants.NoEventMask, data);
} finally {
XToolkit.awtUnlock();
}
} finally {
XlibWrapper.unsafe.freeMemory(data);
}
}
private void init(KeyEvent e) {
byte[] bdata = getBData(e);
long data = Native.toData(bdata);
if (data == 0) {
return;
}
try {
XToolkit.awtLock();
try {
keysym = XWindow.getKeySymForAWTKeyCode(e.getKeyCode());
} finally {
XToolkit.awtUnlock();
}
XKeyEvent ke = new XKeyEvent(data);
// We recognize only these masks
modifiers =
ke.get_state() & (XConstants.ShiftMask | XConstants.ControlMask | XConstants.LockMask);
if (xembedLog.isLoggable(PlatformLogger.FINEST))
xembedLog.finest("Mapped " + e + " to " + this);
} finally {
XlibWrapper.unsafe.freeMemory(data);
}
}
boolean processXEmbedInfo() {
long xembed_info_data = Native.allocateLongArray(2);
try {
if (!XEmbedInfo.getAtomData(handle, xembed_info_data, 2)) {
// No more XEMBED_INFO? This is not XEmbed client!
// Unfortunately this is the initial state of the most clients
// FIXME: add 5-state processing
// childDestroyed();
xembedLog.finer("Unable to get XEMBED_INFO atom data");
return false;
}
version = Native.getCard32(xembed_info_data, 0);
flags = Native.getCard32(xembed_info_data, 1);
boolean new_mapped = (flags & XEMBED_MAPPED) != 0;
boolean currently_mapped = XlibUtil.getWindowMapState(handle) != XConstants.IsUnmapped;
if (new_mapped != currently_mapped) {
if (xembedLog.isLoggable(PlatformLogger.FINER))
xembedLog.fine(
"Mapping state of the client has changed, old state: "
+ currently_mapped
+ ", new state: "
+ new_mapped);
if (new_mapped) {
XToolkit.awtLock();
try {
XlibWrapper.XMapWindow(XToolkit.getDisplay(), handle);
} finally {
XToolkit.awtUnlock();
}
} else {
XToolkit.awtLock();
try {
XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), handle);
} finally {
XToolkit.awtUnlock();
}
}
} else {
xembedLog.finer("Mapping state didn't change, mapped: " + currently_mapped);
}
return true;
} finally {
XlibWrapper.unsafe.freeMemory(xembed_info_data);
}
}