Bugfix: Send clients their absolute position/size in generated configure events, not relative

This fixes ticket #26.

src/xcb.c

@@ -212,6 +212,22 @@ void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window)
         LOG("Told the client it is at %dx%d with %dx%d\n", r.x, r.y, r.width, r.height);
 }
 
+/*
+ * Generates a configure_notify_event with absolute coordinates (relative to the X root
+ * window, not to the client’s frame) for the given client.
+ *
+ */
+void fake_absolute_configure_notify(xcb_connection_t *conn, Client *client) {
+        Rect absolute;
+
+        absolute.x = client->rect.x;
+        absolute.y = client->rect.y;
+        absolute.width = client->rect.width - client->child_rect.x;
+        absolute.height = client->rect.height - client->child_rect.y;
+
+        fake_configure_notify(conn, absolute, client->child);
+}
+
 /*
  * Finds out which modifier mask is the one for numlock, as the user may change this.
  *