2 files changed, 18 insertions, 0 deletions
diff --git a/c_src/esdl2.h b/c_src/esdl2.h
index 2a0a231..06d1203 100644
--- a/c_src/esdl2.h
+++ b/c_src/esdl2.h
@@ -186,6 +186,7 @@
 	F(set_window_position, 3) \
 	F(set_window_size, 3) \
 	F(set_window_title, 2) \
+	F(show_window, 1)
 
 // Generated declarations for the NIF.
 
diff --git a/c_src/sdl_window.c b/c_src/sdl_window.c
index 065e39a..c35fb0c 100644
--- a/c_src/sdl_window.c
+++ b/c_src/sdl_window.c
@@ -644,3 +644,20 @@ NIF_FUNCTION(set_window_title)
 	return nif_thread_cast(env, thread_set_window_title, 2,
 		NIF_RES_GET(Window, window_res), title);
 }
+
+// show_window
+
+NIF_CAST_HANDLER(thread_show_window)
+{
+	SDL_ShowWindow(args[0]);
+}
+
+NIF_FUNCTION(show_window)
+{
+	void* window_res;
+
+	BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
+
+	return nif_thread_cast(env, thread_show_window, 1,
+		NIF_RES_GET(Window, window_res));
+}