diff -r 7d15cad351fc -r 28a5920bebe0 ui/motif/toolkit.h
--- a/ui/motif/toolkit.h	Sun Dec 15 22:53:51 2024 +0100
+++ b/ui/motif/toolkit.h	Sun Dec 22 11:49:59 2024 +0100
@@ -43,6 +43,7 @@
     ui_callback callback;
     void        *userdata;
     int         value;
+    void        *customdata;
 } UiEventData;
 
 typedef struct UiEventDataExt {