// Copyright (c) 2014-2015, Loïc Hoguin <[email protected]>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "esdl2.h"
NIF_ATOM_TO_ENUM_FUNCTION_DECL(atom_to_bool, SDL_bool)
void dtor_Window(ErlNifEnv* env, void* obj)
{
SDL_DestroyWindow(NIF_RES_GET(Window, obj));
}
#define WINDOW_FLAGS(F) \
F(fullscreen, SDL_WINDOW_FULLSCREEN) \
F(fullscreen_desktop, SDL_WINDOW_FULLSCREEN_DESKTOP) \
F(opengl, SDL_WINDOW_OPENGL) \
F(shown, SDL_WINDOW_SHOWN) \
F(hidden, SDL_WINDOW_HIDDEN) \
F(borderless, SDL_WINDOW_BORDERLESS) \
F(resizable, SDL_WINDOW_RESIZABLE) \
F(minimized, SDL_WINDOW_MINIMIZED) \
F(maximized, SDL_WINDOW_MAXIMIZED) \
F(input_grabbed, SDL_WINDOW_INPUT_GRABBED) \
F(input_focus, SDL_WINDOW_INPUT_FOCUS) \
F(mouse_focus, SDL_WINDOW_MOUSE_FOCUS) \
F(foreign, SDL_WINDOW_FOREIGN) \
F(allow_high_dpi, SDL_WINDOW_ALLOW_HIGHDPI)
NIF_LIST_TO_FLAGS_FUNCTION(list_to_window_flags, Uint32, WINDOW_FLAGS)
NIF_FLAGS_TO_LIST_FUNCTION(window_flags_to_list, Uint32, WINDOW_FLAGS)
#define WINDOW_POS_ENUM(E) \
E(centered, SDL_WINDOWPOS_CENTERED) \
E(undefined, SDL_WINDOWPOS_UNDEFINED)
NIF_ATOM_TO_ENUM_FUNCTION(atom_to_window_pos, int, WINDOW_POS_ENUM)
#define WINDOW_FULLSCREEN_ENUM(E) \
E(fullscreen, SDL_WINDOW_FULLSCREEN) \
E(fullscreen_desktop, SDL_WINDOW_FULLSCREEN_DESKTOP) \
E(windowed, 0)
NIF_ATOM_TO_ENUM_FUNCTION(atom_to_window_fullscreen, Uint32, WINDOW_FULLSCREEN_ENUM)
// create_window
NIF_CALL_HANDLER(thread_create_window)
{
SDL_Window* window;
ERL_NIF_TERM term;
window = SDL_CreateWindow(args[0], (long)args[1], (long)args[2], (long)args[3], (long)args[4], (long)args[5]);
enif_free(args[0]);
if (!window)
return sdl_error_tuple(env);
NIF_RES_TO_TERM(Window, window, term);
return enif_make_tuple2(env,
atom_ok,
term
);
}
NIF_FUNCTION(create_window)
{
unsigned int len;
char* title;
int x, y, w, h;
Uint32 flags = 0;
if (enif_is_atom(env, argv[1])) {
BADARG_IF(!atom_to_window_pos(env, argv[1], &x));
} else {
BADARG_IF(!enif_get_int(env, argv[1], &x));
}
if (enif_is_atom(env, argv[2])) {
BADARG_IF(!atom_to_window_pos(env, argv[2], &y));
} else {
BADARG_IF(!enif_get_int(env, argv[2], &y));
}
BADARG_IF(!enif_get_int(env, argv[3], &w));
BADARG_IF(!enif_get_int(env, argv[4], &h));
BADARG_IF(!list_to_window_flags(env, argv[5], &flags));
// Getting the title last to simplify the code due to memory allocation.
BADARG_IF(!enif_get_list_length(env, argv[0], &len));
title = (char*)enif_alloc(len + 1);
if (!enif_get_string(env, argv[0], title, len + 1, ERL_NIF_LATIN1)) {
enif_free(title);
return enif_make_badarg(env);
}
return nif_thread_call(env, thread_create_window, 6,
title, x, y, w, h, flags);
}
// create_window_and_renderer
NIF_CALL_HANDLER(thread_create_window_and_renderer)
{
SDL_Window* window;
SDL_Renderer* renderer;
ERL_NIF_TERM wterm, rterm;
if (0 != SDL_CreateWindowAndRenderer((long)args[0], (long)args[1], (long)args[2], &window, &renderer))
return sdl_error_tuple(env);
NIF_RES_TO_TERM(Window, window, wterm);
NIF_RES_TO_TERM(Renderer, renderer, rterm);
return enif_make_tuple3(env,
atom_ok,
wterm,
rterm
);
}
NIF_FUNCTION(create_window_and_renderer)
{
int w, h;
Uint32 flags = 0;
BADARG_IF(!enif_get_int(env, argv[0], &w));
BADARG_IF(!enif_get_int(env, argv[1], &h));
BADARG_IF(!list_to_window_flags(env, argv[2], &flags));
return nif_thread_call(env, thread_create_window_and_renderer, 3,
w, h, flags);
}
// get_window_brightness
NIF_CALL_HANDLER(thread_get_window_brightness)
{
return enif_make_double(env, SDL_GetWindowBrightness(args[0]));
}
NIF_FUNCTION(get_window_brightness)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_brightness, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_display_index
NIF_CALL_HANDLER(thread_get_window_display_index)
{
int i = SDL_GetWindowDisplayIndex(args[0]);
if (i < 0)
return sdl_error_tuple(env);
return enif_make_tuple2(env,
atom_ok,
enif_make_int(env, i)
);
}
NIF_FUNCTION(get_window_display_index)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_display_index, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_flags
NIF_CALL_HANDLER(thread_get_window_flags)
{
return window_flags_to_list(env, SDL_GetWindowFlags(args[0]));
}
NIF_FUNCTION(get_window_flags)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_flags, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_grab
NIF_CALL_HANDLER(thread_get_window_grab)
{
if (SDL_GetWindowGrab(args[0]))
return atom_true;
return atom_false;
}
NIF_FUNCTION(get_window_grab)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_grab, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_id
NIF_CALL_HANDLER(thread_get_window_id)
{
return enif_make_uint(env, SDL_GetWindowID(args[0]));
}
NIF_FUNCTION(get_window_id)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_id, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_maximum_size
NIF_CALL_HANDLER(thread_get_window_maximum_size)
{
int w, h;
SDL_GetWindowMaximumSize(args[0], &w, &h);
return enif_make_tuple2(env,
enif_make_int(env, w),
enif_make_int(env, h)
);
}
NIF_FUNCTION(get_window_maximum_size)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_maximum_size, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_minimum_size
NIF_CALL_HANDLER(thread_get_window_minimum_size)
{
int w, h;
SDL_GetWindowMinimumSize(args[0], &w, &h);
return enif_make_tuple2(env,
enif_make_int(env, w),
enif_make_int(env, h)
);
}
NIF_FUNCTION(get_window_minimum_size)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_minimum_size, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_position
NIF_CALL_HANDLER(thread_get_window_position)
{
int x, y;
SDL_GetWindowPosition(args[0], &x, &y);
return enif_make_tuple2(env,
enif_make_int(env, x),
enif_make_int(env, y)
);
}
NIF_FUNCTION(get_window_position)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_position, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_size
NIF_CALL_HANDLER(thread_get_window_size)
{
int w, h;
SDL_GetWindowSize(args[0], &w, &h);
return enif_make_tuple2(env,
enif_make_int(env, w),
enif_make_int(env, h)
);
}
NIF_FUNCTION(get_window_size)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_size, 1,
NIF_RES_GET(Window, window_res));
}
// get_window_title
NIF_CALL_HANDLER(thread_get_window_title)
{
return enif_make_string(env, SDL_GetWindowTitle(args[0]), ERL_NIF_LATIN1);
}
NIF_FUNCTION(get_window_title)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_call(env, thread_get_window_title, 1,
NIF_RES_GET(Window, window_res));
}
// hide_window
NIF_CAST_HANDLER(thread_hide_window)
{
SDL_HideWindow(args[0]);
}
NIF_FUNCTION(hide_window)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_cast(env, thread_hide_window, 1,
NIF_RES_GET(Window, window_res));
}
// maximize_window
NIF_CAST_HANDLER(thread_maximize_window)
{
SDL_MaximizeWindow(args[0]);
}
NIF_FUNCTION(maximize_window)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_cast(env, thread_maximize_window, 1,
NIF_RES_GET(Window, window_res));
}
// minimize_window
NIF_CAST_HANDLER(thread_minimize_window)
{
SDL_MinimizeWindow(args[0]);
}
NIF_FUNCTION(minimize_window)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_cast(env, thread_minimize_window, 1,
NIF_RES_GET(Window, window_res));
}
// raise_window
NIF_CAST_HANDLER(thread_raise_window)
{
SDL_RaiseWindow(args[0]);
}
NIF_FUNCTION(raise_window)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_cast(env, thread_raise_window, 1,
NIF_RES_GET(Window, window_res));
}
// restore_window
NIF_CAST_HANDLER(thread_restore_window)
{
SDL_RestoreWindow(args[0]);
}
NIF_FUNCTION(restore_window)
{
void* window_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
return nif_thread_cast(env, thread_restore_window, 1,
NIF_RES_GET(Window, window_res));
}
// set_window_bordered
NIF_CAST_HANDLER(thread_set_window_bordered)
{
SDL_SetWindowBordered(args[0], (long)args[1]);
}
NIF_FUNCTION(set_window_bordered)
{
void* window_res;
SDL_bool b;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!atom_to_bool(env, argv[1], &b));
return nif_thread_cast(env, thread_set_window_bordered, 2,
NIF_RES_GET(Window, window_res), b);
}
// set_window_brightness
NIF_CALL_HANDLER(thread_set_window_brightness)
{
int ret = SDL_SetWindowBrightness(args[0], *((double*)args[1]));
enif_free(args[1]);
if (ret != 0)
return sdl_error_tuple(env);
return atom_ok;
}
NIF_FUNCTION(set_window_brightness)
{
void* window_res;
double *brightnessPtr;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
brightnessPtr = (double*)enif_alloc(sizeof(double));
if (!enif_get_double(env, argv[1], brightnessPtr)) {
enif_free(brightnessPtr);
return enif_make_badarg(env);
}
return nif_thread_call(env, thread_set_window_brightness, 2,
NIF_RES_GET(Window, window_res), brightnessPtr);
}
// set_window_fullscreen
NIF_CALL_HANDLER(thread_set_window_fullscreen)
{
if (SDL_SetWindowFullscreen(args[0], (long)args[1]))
return sdl_error_tuple(env);
return atom_ok;
}
NIF_FUNCTION(set_window_fullscreen)
{
void* window_res;
Uint32 flags;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!atom_to_window_fullscreen(env, argv[1], &flags));
return nif_thread_call(env, thread_set_window_fullscreen, 2,
NIF_RES_GET(Window, window_res), flags);
}
// set_window_grab
NIF_CAST_HANDLER(thread_set_window_grab)
{
SDL_SetWindowGrab(args[0], (long)args[1]);
}
NIF_FUNCTION(set_window_grab)
{
void* window_res;
SDL_bool b;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!atom_to_bool(env, argv[1], &b));
return nif_thread_cast(env, thread_set_window_grab, 2,
NIF_RES_GET(Window, window_res), b);
}
// set_window_icon
//
// We use a call here because we need the surface to exist until this call
// succeeds. If we didn't, a race condition might happen where the surface
// is GC before it is used in the main thread.
NIF_CALL_HANDLER(thread_set_window_icon)
{
SDL_SetWindowIcon(args[0], args[1]);
return atom_ok;
}
NIF_FUNCTION(set_window_icon)
{
void* window_res;
void* surface_res;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!enif_get_resource(env, argv[1], res_Surface, &surface_res));
return nif_thread_call(env, thread_set_window_icon, 2,
NIF_RES_GET(Window, window_res), NIF_RES_GET(Surface, surface_res));
}
// set_window_maximum_size
NIF_CAST_HANDLER(thread_set_window_maximum_size)
{
SDL_SetWindowMaximumSize(args[0], (long)args[1], (long)args[2]);
}
NIF_FUNCTION(set_window_maximum_size)
{
void* window_res;
int w, h;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!enif_get_int(env, argv[1], &w));
BADARG_IF(!enif_get_int(env, argv[2], &h));
return nif_thread_cast(env, thread_set_window_maximum_size, 3,
NIF_RES_GET(Window, window_res), w, h);
}
// set_window_minimum_size
NIF_CAST_HANDLER(thread_set_window_minimum_size)
{
SDL_SetWindowMinimumSize(args[0], (long)args[1], (long)args[2]);
}
NIF_FUNCTION(set_window_minimum_size)
{
void* window_res;
int w, h;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!enif_get_int(env, argv[1], &w));
BADARG_IF(!enif_get_int(env, argv[2], &h));
return nif_thread_cast(env, thread_set_window_minimum_size, 3,
NIF_RES_GET(Window, window_res), w, h);
}
// set_window_position
NIF_CAST_HANDLER(thread_set_window_position)
{
SDL_SetWindowPosition(args[0], (long)args[1], (long)args[2]);
}
NIF_FUNCTION(set_window_position)
{
void* window_res;
int x, y;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!enif_get_int(env, argv[1], &x));
BADARG_IF(!enif_get_int(env, argv[2], &y));
return nif_thread_cast(env, thread_set_window_position, 3,
NIF_RES_GET(Window, window_res), x, y);
}
// set_window_size
NIF_CAST_HANDLER(thread_set_window_size)
{
SDL_SetWindowSize(args[0], (long)args[1], (long)args[2]);
}
NIF_FUNCTION(set_window_size)
{
void* window_res;
int w, h;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!enif_get_int(env, argv[1], &w));
BADARG_IF(!enif_get_int(env, argv[2], &h));
return nif_thread_cast(env, thread_set_window_size, 3,
NIF_RES_GET(Window, window_res), w, h);
}
// set_window_title
NIF_CAST_HANDLER(thread_set_window_title)
{
SDL_SetWindowTitle(args[0], args[1]);
enif_free(args[1]);
}
NIF_FUNCTION(set_window_title)
{
void* window_res;
unsigned int len;
char* title;
BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res));
BADARG_IF(!enif_get_list_length(env, argv[1], &len));
title = (char*)enif_alloc(len + 1);
if (!enif_get_string(env, argv[1], title, len + 1, ERL_NIF_LATIN1)) {
enif_free(title);
return enif_make_badarg(env);
}
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));
}