/**
* Verifies that all required parameters are set. If not, sets them to default values. Verifies
* values of critical parameters, adjust their values when needed.
*
* @throws IllegalArgumentException if params is null
*/
protected void checkParams(XCreateWindowParams params) {
if (params == null) {
throw new IllegalArgumentException("Window creation parameters are null");
}
params.putIfNull(PARENT_WINDOW, Long.valueOf(XToolkit.getDefaultRootWindow()));
params.putIfNull(BOUNDS, new Rectangle(DEF_LOCATION, DEF_LOCATION, MIN_SIZE, MIN_SIZE));
params.putIfNull(DEPTH, Integer.valueOf((int) XlibWrapper.CopyFromParent));
params.putIfNull(VISUAL, Long.valueOf(XlibWrapper.CopyFromParent));
params.putIfNull(VISUAL_CLASS, Integer.valueOf((int) XlibWrapper.InputOnly));
params.putIfNull(VALUE_MASK, Long.valueOf(XlibWrapper.CWEventMask));
Rectangle bounds = (Rectangle) params.get(BOUNDS);
bounds.width = Math.max(MIN_SIZE, bounds.width);
bounds.height = Math.max(MIN_SIZE, bounds.height);
Long eventMaskObj = (Long) params.get(EVENT_MASK);
long eventMask = eventMaskObj != null ? eventMaskObj.longValue() : 0;
// We use our own synthetic grab see XAwtState.getGrabWindow()
// (see X vol. 1, 8.3.3.2)
eventMask |= PropertyChangeMask | OwnerGrabButtonMask;
params.put(EVENT_MASK, Long.valueOf(eventMask));
}
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;
}
public int getAbsoluteY() {
Point absoluteLoc =
XlibUtil.translateCoordinates(
getWindow(), XToolkit.getDefaultRootWindow(), new Point(0, 0));
return absoluteLoc != null ? absoluteLoc.y : 0;
}