diff -r 185d9fe96c6b -r b147745ba6be ui/qt/toolkit.cpp
--- a/ui/qt/toolkit.cpp	Wed Jul 22 21:21:24 2026 +0200
+++ b/ui/qt/toolkit.cpp	Thu Jul 23 21:46:06 2026 +0200
@@ -131,7 +131,7 @@
     e.window = obj->window;
     e.document = obj->ctx->document;
     e.eventdata = NULL;
-    e.eventdatatype = 0;
+    e.eventdatatype = UI_EVENT_DATA_NULL;
     e.intval = 0;
     e.set = ui_get_setop();
     if(prepare_event) {
@@ -169,7 +169,7 @@
     e.window = obj->window;
     e.document = obj->ctx->document;
     e.eventdata = NULL;
-    e.eventdatatype = 0;
+    e.eventdatatype = UI_EVENT_DATA_NULL;
     e.intval = 0;
     e.set = ui_get_setop();
     if(prepare_event) {
@@ -185,3 +185,6 @@
     action->setEnabled((bool)enable);
 }
 
+void ui_call_mainthread(ui_threadfunc tf, void* td) {
+    // TODO
+}