1 files changed, 27 insertions, 0 deletions
diff --git a/src/Xcomposite.c b/src/Xcomposite.c
index d3bf92c..e82e1e3 100644
--- a/src/Xcomposite.c
+++ b/src/Xcomposite.c
@@ -485,3 +485,30 @@ XCompositeRedirectWindowInput (Display *dpy,
     UnlockDisplay (dpy);
     SyncHandle ();
 }
+
+Window
+XCompositeGetDestinationWindow (Display *dpy,
+				Window  window)
+{
+    XCompositeExtDisplayInfo	    *info = XCompositeFindDisplay (dpy);
+    xCompositeGetInputRedirectionInfoReq   *req;
+    xCompositeGetInputRedirectionInfoReply rep;
+
+    XCompositeCheckExtension (dpy, info, 0);
+    LockDisplay (dpy);
+    GetReq (CompositeGetInputRedirectionInfo, req);
+    req->reqType = info->codes->major_opcode;
+    req->compositeReqType = X_CompositeGetInputRedirectionInfo;
+    req->window = window;
+    if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
+    {
+	UnlockDisplay (dpy);
+	SyncHandle ();
+	return 0;
+    }
+   
+    UnlockDisplay (dpy);
+    SyncHandle ();
+
+    return rep.destination;
+}