1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/inc/gui.h b/src/gui/inc/gui.h
index ec87f45..6678b1b 100644
--- a/src/gui/inc/gui.h
+++ b/src/gui/inc/gui.h
@@ -15,8 +15,9 @@ struct gui_common
     int (*update)(struct gui_common *, const union peripheral *,
         const struct camera *);
     int (*render)(const struct gui_common *);
+    void (*get_dim)(const struct gui_common *, short *w, short *h);
     short x, y;
-    bool centered;
+    bool hcentered, vcentered;
     struct gui_common *parent, *child, *sibling;
 };