diff -r c3f2f16fa4b8 -r dde28a806552 ui/win32/toolkit.h
--- a/ui/win32/toolkit.h	Sun Oct 19 21:20:08 2025 +0200
+++ b/ui/win32/toolkit.h	Mon Nov 10 21:52:51 2025 +0100
@@ -53,6 +53,8 @@
     int64_t intvalue;
 } UiWidget;
 
+LRESULT CALLBACK ui_default_eventproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
+
 HFONT ui_win32_get_font(void);
 void ui_win32_set_ui_font(HWND control);