/**
* Translate coordinates from one window into another. Optimized for XAWT - uses cached data when
* possible. Preferable over pure XTranslateCoordinates.
*
* @return coordinates relative to dst, or null if error happened
*/
static Point toOtherWindow(long src, long dst, int x, int y) {
Point rpt = new Point(0, 0);
// Check if both windows belong to XAWT - then no X calls are necessary
XBaseWindow srcPeer = XToolkit.windowToXWindow(src);
XBaseWindow dstPeer = XToolkit.windowToXWindow(dst);
if (srcPeer != null && dstPeer != null) {
// (x, y) is relative to src
rpt.x = x + srcPeer.getAbsoluteX() - dstPeer.getAbsoluteX();
rpt.y = y + srcPeer.getAbsoluteY() - dstPeer.getAbsoluteY();
} else if (dstPeer != null && XlibUtil.isRoot(src, dstPeer.getScreenNumber())) {
// from root into peer
rpt.x = x - dstPeer.getAbsoluteX();
rpt.y = y - dstPeer.getAbsoluteY();
} else if (srcPeer != null && XlibUtil.isRoot(dst, srcPeer.getScreenNumber())) {
// from peer into root
rpt.x = x + srcPeer.getAbsoluteX();
rpt.y = y + srcPeer.getAbsoluteY();
} else {
rpt = XlibUtil.translateCoordinates(src, dst, new Point(x, y));
}
return rpt;
}
/** Returns the client window under the specified root subwindow. */
private static long findClientWindow(long window) {
if (XlibUtil.isTrueToplevelWindow(window)) {
return window;
}
Set<Long> children = XlibUtil.getChildWindows(window);
for (Long child : children) {
long win = findClientWindow(child);
if (win != 0) {
return win;
}
}
return 0;
}
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);
}
}