--- a/ui/gtk/headerbar.c Fri Apr 24 18:17:20 2026 +0200 +++ b/ui/gtk/headerbar.c Sat Apr 25 21:29:37 2026 +0200 @@ -181,7 +181,7 @@ ui_set_widget_states(obj->ctx, button, item->args.states); ui_set_widget_visibility_states(obj->ctx, button, item->args.visibility_states); WIDGET_ADD_CSS_CLASS(button, "flat"); - ui_setup_togglebutton(obj, button, item->args.label, item->args.icon, item->args.tooltip, item->args.varname, NULL, item->args.onchange, item->args.onchangedata, 0); + ui_setup_togglebutton(obj, button, item->args.label, item->args.icon, item->args.tooltip, item->args.varname, NULL, item->args.onchange, item->args.onchangedata, item->args.action, 0); headerbar_add(headerbar, box, button, pos); }