diff options
Diffstat (limited to 'c_src/sdl_mouse.c')
| -rw-r--r-- | c_src/sdl_mouse.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/c_src/sdl_mouse.c b/c_src/sdl_mouse.c index eb2af39..018b44c 100644 --- a/c_src/sdl_mouse.c +++ b/c_src/sdl_mouse.c @@ -20,7 +20,16 @@ NIF_ENUM_TO_ATOM_FUNCTION(mousewheel_direction_to_atom, Uint32, MOUSEWHEEL_DIRECTION_ENUM) -static ERL_NIF_TERM get_mouse_state_common(ErlNifEnv* env, int x, int y, Uint32 state) +#define BUTTON_ENUM(E) \ + E(left, SDL_BUTTON_LEFT) \ + E(middle, SDL_BUTTON_MIDDLE) \ + E(right, SDL_BUTTON_RIGHT) \ + E(x1, SDL_BUTTON_X1) \ + E(x2, SDL_BUTTON_X2) + +NIF_ENUM_TO_ATOM_FUNCTION(button_to_atom, Uint8, BUTTON_ENUM) + +ERL_NIF_TERM mouse_state_to_list(ErlNifEnv* env, Uint32 state) { ERL_NIF_TERM list; @@ -37,10 +46,15 @@ static ERL_NIF_TERM get_mouse_state_common(ErlNifEnv* env, int x, int y, Uint32 if (state & SDL_BUTTON_X2MASK) list = enif_make_list_cell(env, atom_x2, list); + return list; +} + +static ERL_NIF_TERM get_mouse_state_common(ErlNifEnv* env, int x, int y, Uint32 state) +{ return enif_make_tuple3(env, enif_make_int(env, x), enif_make_int(env, y), - list + mouse_state_to_list(env, state) ); } |