/**
* 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;
}
/**
* Called before window creation, descendants should override to initialize the data, initialize
* params.
*/
void preInit(XCreateWindowParams params) {
state_lock = new StateLock();
initialising = InitialiseState.NOT_INITIALISED;
embedded = Boolean.TRUE.equals(params.get(EMBEDDED));
visible = Boolean.TRUE.equals(params.get(VISIBLE));
Object parent = params.get(PARENT);
if (parent instanceof XBaseWindow) {
parentWindow = (XBaseWindow) parent;
} else {
Long parentWindowID = (Long) params.get(PARENT_WINDOW);
if (parentWindowID != null) {
parentWindow = XToolkit.windowToXWindow(parentWindowID);
}
}
Long eventMask = (Long) params.get(EVENT_MASK);
if (eventMask != null) {
long mask = eventMask.longValue();
mask |= SubstructureNotifyMask;
params.put(EVENT_MASK, mask);
}
screen = -1;
}
/**
* Dispatches event to the grab Window or event source window depending on whether the grab is
* active and on the event type
*/
static void dispatchToWindow(XEvent ev) {
XBaseWindow target = XAwtState.getGrabWindow();
if (target == null || !isGrabbedEvent(ev, target)) {
target = XToolkit.windowToXWindow(ev.get_xany().get_window());
}
if (target != null && target.checkInitialised()) {
target.dispatchEvent(ev);
}
}
public XBaseWindow getContentXWindow() {
return XToolkit.windowToXWindow(getContentWindow());
}
