diff --git a/demo/sdl_opengl2/nuklear_sdl_gl2.h b/demo/sdl_opengl2/nuklear_sdl_gl2.h
index fbc7ec7..16e11c0 100644
--- a/demo/sdl_opengl2/nuklear_sdl_gl2.h
+++ b/demo/sdl_opengl2/nuklear_sdl_gl2.h
@@ -20,6 +20,7 @@ NK_API void                 nk_sdl_font_stash_end(void);
 NK_API int                  nk_sdl_handle_event(SDL_Event *evt);
 NK_API void                 nk_sdl_render(enum nk_anti_aliasing);
 NK_API void                 nk_sdl_shutdown(void);
+NK_API void                 nk_sdl_handle_grab(void);
 
 #endif
 /*
diff --git a/demo/sdl_opengl3/nuklear_sdl_gl3.h b/demo/sdl_opengl3/nuklear_sdl_gl3.h
index 6c9d4b1..4165369 100644
--- a/demo/sdl_opengl3/nuklear_sdl_gl3.h
+++ b/demo/sdl_opengl3/nuklear_sdl_gl3.h
@@ -24,6 +24,7 @@ NK_API void                 nk_sdl_render(enum nk_anti_aliasing , int max_vertex
 NK_API void                 nk_sdl_shutdown(void);
 NK_API void                 nk_sdl_device_destroy(void);
 NK_API void                 nk_sdl_device_create(void);
+NK_API void                 nk_sdl_handle_grab(void);
 
 #endif
 
diff --git a/demo/sdl_opengles2/nuklear_sdl_gles2.h b/demo/sdl_opengles2/nuklear_sdl_gles2.h
index 6f46d52..404d48a 100644
--- a/demo/sdl_opengles2/nuklear_sdl_gles2.h
+++ b/demo/sdl_opengles2/nuklear_sdl_gles2.h
@@ -27,6 +27,7 @@ NK_API void                 nk_sdl_render(enum nk_anti_aliasing , int max_vertex
 NK_API void                 nk_sdl_shutdown(void);
 NK_API void                 nk_sdl_device_destroy(void);
 NK_API void                 nk_sdl_device_create(void);
+NK_API void                 nk_sdl_handle_grab(void);
 
 #endif
 
diff --git a/demo/sdl_renderer/nuklear_sdl_renderer.h b/demo/sdl_renderer/nuklear_sdl_renderer.h
index fb8596f..810991e 100644
--- a/demo/sdl_renderer/nuklear_sdl_renderer.h
+++ b/demo/sdl_renderer/nuklear_sdl_renderer.h
@@ -18,6 +18,7 @@ NK_API void                 nk_sdl_font_stash_end(void);
 NK_API int                  nk_sdl_handle_event(SDL_Event *evt);
 NK_API void                 nk_sdl_render(enum nk_anti_aliasing);
 NK_API void                 nk_sdl_shutdown(void);
+NK_API void                 nk_sdl_handle_grab(void);
 
 #if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 22)
 /* Metal API does not support cliprects with negative coordinates or large