1 files changed, 10 insertions, 0 deletions
diff --git a/window.h b/window.h
index 8134e929c..ae99ddc93 100644
--- a/window.h
+++ b/window.h
@@ -304,6 +304,16 @@ typedef struct querystr_d {
 } querystr_d;
 assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(querystr_d));
 
+typedef struct query_d {
+	StringID caption;
+	StringID message;
+	WindowClass wnd_class;
+	WindowNumber wnd_num;
+	void (*ok_cancel_callback)(bool ok_clicked);
+	bool calledback;
+} query_d;
+assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(query_d));
+
 typedef struct {
 	byte item_count;      /* follow_vehicle */
 	byte sel_index;       /* scrollpos_x */