protected void postInit(XCreateWindowParams params) {
super.postInit(params);
installActivateListener();
installAcceleratorListener();
installModalityListener();
// XEmbed canvas should be non-traversable.
// FIXME: Probably should be removed and enforced setting of it by the users
target.setFocusTraversalKeysEnabled(false);
}
public void dispose() {
if (isXEmbedActive()) {
detachChild();
}
deinstallActivateListener();
deinstallModalityListener();
deinstallAcceleratorListener();
// BUG: Focus traversal doesn't become enabled after the one round of embedding
// target.setFocusTraversalKeysEnabled(true);
super.dispose();
}
public void dispatchEvent(XEvent ev) {
super.dispatchEvent(ev);
switch (ev.get_type()) {
case XConstants.CreateNotify:
XCreateWindowEvent cr = ev.get_xcreatewindow();
if (xembedLog.isLoggable(PlatformLogger.FINEST)) {
xembedLog.finest("Message on embedder: " + cr);
}
if (xembedLog.isLoggable(PlatformLogger.FINER)) {
xembedLog.finer(
"Create notify for parent "
+ Long.toHexString(cr.get_parent())
+ ", window "
+ Long.toHexString(cr.get_window()));
}
embedChild(cr.get_window());
break;
case XConstants.DestroyNotify:
XDestroyWindowEvent dn = ev.get_xdestroywindow();
if (xembedLog.isLoggable(PlatformLogger.FINEST)) {
xembedLog.finest("Message on embedder: " + dn);
}
if (xembedLog.isLoggable(PlatformLogger.FINER)) {
xembedLog.finer("Destroy notify for parent: " + dn);
}
childDestroyed();
break;
case XConstants.ReparentNotify:
XReparentEvent rep = ev.get_xreparent();
if (xembedLog.isLoggable(PlatformLogger.FINEST)) {
xembedLog.finest("Message on embedder: " + rep);
}
if (xembedLog.isLoggable(PlatformLogger.FINER)) {
xembedLog.finer(
"Reparent notify for parent "
+ Long.toHexString(rep.get_parent())
+ ", window "
+ Long.toHexString(rep.get_window())
+ ", event "
+ Long.toHexString(rep.get_event()));
}
if (rep.get_parent() == getWindow()) {
// Reparented into us - embed it
embedChild(rep.get_window());
} else {
// Reparented out of us - detach it
childDestroyed();
}
break;
}
}
protected void preInit(XCreateWindowParams params) {
super.preInit(params);
params.put(
EVENT_MASK,
XConstants.KeyPressMask
| XConstants.KeyReleaseMask
| XConstants.FocusChangeMask
| XConstants.ButtonPressMask
| XConstants.ButtonReleaseMask
| XConstants.EnterWindowMask
| XConstants.LeaveWindowMask
| XConstants.PointerMotionMask
| XConstants.ButtonMotionMask
| XConstants.ExposureMask
| XConstants.StructureNotifyMask
| XConstants.SubstructureNotifyMask);
}
public void handleEvent(AWTEvent e) {
super.handleEvent(e);
if (isXEmbedActive()) {
switch (e.getID()) {
case FocusEvent.FOCUS_GAINED:
canvasFocusGained((FocusEvent) e);
break;
case FocusEvent.FOCUS_LOST:
canvasFocusLost((FocusEvent) e);
break;
case KeyEvent.KEY_PRESSED:
case KeyEvent.KEY_RELEASED:
if (!((InputEvent) e).isConsumed()) {
forwardKeyEvent((KeyEvent) e);
}
break;
}
}
}
public void handleClientMessage(XEvent xev) {
super.handleClientMessage(xev);
XClientMessageEvent msg = xev.get_xclient();
if (xembedLog.isLoggable(PlatformLogger.FINER))
xembedLog.finer("Client message to embedder: " + msg);
if (msg.get_message_type() == xembed.XEmbed.getAtom()) {
if (xembedLog.isLoggable(PlatformLogger.FINE))
xembedLog.fine(xembed.XEmbedMessageToString(msg));
}
if (isXEmbedActive()) {
switch ((int) msg.get_data(1)) {
case XEMBED_REQUEST_FOCUS:
requestXEmbedFocus();
break;
case XEMBED_FOCUS_NEXT:
focusNext();
break;
case XEMBED_FOCUS_PREV:
focusPrev();
break;
case XEMBED_REGISTER_ACCELERATOR:
registerAccelerator(msg.get_data(2), msg.get_data(3), msg.get_data(4));
break;
case XEMBED_UNREGISTER_ACCELERATOR:
unregisterAccelerator(msg.get_data(2));
break;
case NON_STANDARD_XEMBED_GTK_GRAB_KEY:
grabKey(msg.get_data(3), msg.get_data(4));
break;
case NON_STANDARD_XEMBED_GTK_UNGRAB_KEY:
ungrabKey(msg.get_data(3), msg.get_data(4));
break;
}
} else {
xembedLog.finer("But XEmbed is not Active!");
}
}