--- a/ui/gtk/toolkit.h Sun Apr 07 11:26:38 2024 +0200 +++ b/ui/gtk/toolkit.h Sun Apr 07 12:36:07 2024 +0200 @@ -44,6 +44,7 @@ ui_callback callback; void *userdata; int value; + void *customdata; } UiEventData; typedef struct UiVarEventData {