--- a/XWorkstation.st	Tue Mar 06 18:41:10 2012 +0100
+++ b/XWorkstation.st	Tue Mar 06 19:52:23 2012 +0100
@@ -149,6 +149,10 @@
 # include <X11/extensions/XIE.h>
 #endif
 
+#ifdef XINERAMA
+# include <X11/extensions/Xinerama.h>
+#endif
+
 /*
  * when I have more time to check it out, I will support display-PS
  */
@@ -8501,6 +8505,29 @@
     "
 !
 
+queryXINERAMAExtension
+%{  /* NOCONTEXT */
+
+#ifdef XINERAMA
+    if (ISCONNECTED) {
+        Display *dpy;
+        int dummy;
+
+        dpy = myDpy;
+
+        if (XineramaQueryExtension (Display *dpy, &dummy, &dummy)) {
+            RETURN ( true );
+        }
+    }
+#endif
+%}.
+    ^ false
+
+    "
+     Display queryXINERAMAExtension
+    "
+!
+
 queryXVideoExtension
 %{  /* NOCONTEXT */
 
@@ -12059,7 +12086,7 @@
 !XWorkstation class methodsFor:'documentation'!
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libview/XWorkstation.st,v 1.524 2012-03-06 17:41:10 stefan Exp $'
+    ^ '$Header: /cvs/stx/stx/libview/XWorkstation.st,v 1.525 2012-03-06 18:52:23 stefan Exp $'
 !
 
 version_SVN