lib/sdl_nit.h

   1 #ifndef __SDL_NIT
   2 #define __SDL_NIT
   3
   4 /* This file is part of NIT ( http://www.nitlanguage.org ).
   5  *
   6  * Copyright 2006 Jean Privat <jean@pryen.org>
   7  *
   8  * This file is free software, which comes along with NIT.  This software is
   9  * distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  10  * without  even  the implied warranty of  MERCHANTABILITY or  FITNESS FOR A
  11  * PARTICULAR PURPOSE.  You can modify it is you want,  provided this header
  12  * is kept unaltered, and a notification of the changes is added.
  13  * You  are  allowed  to  redistribute it and sell it, alone or is a part of
  14  * another product.
  15  */
  16 #include "SDL.h"
  17 #include "SDL_image.h"
  18
  19 /* General*/
  20 #define sdl_init(x) \
  21         (atexit(SDL_Quit), SDL_Init(SDL_INIT_VIDEO))
  22
  23 /* Surface */
  24 #define sdl_surface_width(x)    (((SDL_Surface *)(x))->w)
  25 #define sdl_surface_height(x)   (((SDL_Surface *)(x))->h)
  26
  27 /* Video */
  28 #define sdl_set_video_mode(x, w, h, d) \
  29         (SDL_SetVideoMode(w, h, d, SDL_SWSURFACE | SDL_DOUBLEBUF))
  30 #define sdl_set_fullscreen_video_mode(x, w, h, d) \
  31         (SDL_SetVideoMode(w, h, d, SDL_SWSURFACE | SDL_DOUBLEBUF | SDL_FULLSCREEN))
  32
  33 #define sdl_load_bmp_native(x, c) \
  34         (IMG_Load(c))
  35
  36 #define sdl_blit_surface(s, d) \
  37         (SDL_BlitSurface((s), NULL, d, NULL))
  38 int sdl_blit_surface_xy(SDL_Surface * s, SDL_Surface * d, int x, int y);
  39
  40 #define sdl_clear_sruface(s) \
  41         (SDL_FillRect((s), NULL, 0))
  42
  43 #define sdl_show_cursor_0(x) \
  44         (SDL_ShowCursor(SDL_QUERY) == SDL_ENABLE)
  45 #define sdl_show_cursor_1(x, b) \
  46         (SDL_ShowCursor((b) ? SDL_ENABLE : SDL_DISABLE))
  47
  48 /* WM */
  49 #define sdl_grab_0(x) \
  50         (SDL_WM_GrabInput(SDL_QUERY) == SDL_GRAB_ON)
  51 #define sdl_grab_1(x, b) \
  52         (SDL_WM_GrabInput((b) ? SDL_GRAB_ON : SDL_GRAB_OFF))
  53
  54 /* Event */
  55 #define sdl_evt_is_keyboard(x) \
  56         ((((SDL_Event*)(x))->type == SDL_KEYDOWN) || ((((SDL_Event*)(x))->type == SDL_KEYUP)))
  57 #define sdl_evt_as_keyboard(x) \
  58         (sdl_evt_is_keyboard((x)) ? (x) : NULL)
  59 #define sdl_evt_is_mouse_button(x) \
  60         ((((SDL_Event*)(x))->type == SDL_MOUSEBUTTONDOWN) || ((((SDL_Event*)(x))->type == SDL_MOUSEBUTTONUP)))
  61 #define sdl_evt_as_mouse_button(x) \
  62         (sdl_evt_is_mouse_button((x)) ? (x) : NULL)
  63 #define sdl_evt_is_mouse_motion(x) \
  64         (((SDL_Event*)(x))->type == SDL_MOUSEMOTION)
  65 #define sdl_evt_as_mouse_motion(x) \
  66         (sdl_evt_is_mouse_motion((x)) ? (x) : NULL)
  67 #define sdl_evt_is_expose(x) \
  68         (((SDL_Event*)(x))->type == SDL_VIDEOEXPOSE)
  69 #define sdl_evt_is_quit(x) \
  70         (((SDL_Event*)(x))->type == SDL_QUIT)
  71
  72 #define sdl_keyboard_evt_state(x) \
  73         (((SDL_KeyboardEvent*)(x))->state == SDL_PRESSED)
  74 #define sdl_mouse_button_evt_state(x) \
  75         (((SDL_MouseButtonEvent*)(x))->state == SDL_PRESSED)
  76 #define sdl_mouse_button_evt_x(k) \
  77         (((SDL_MouseButtonEvent*)(k))->x)
  78 #define sdl_mouse_button_evt_y(k) \
  79         (((SDL_MouseButtonEvent*)(k))->y)
  80 #define sdl_mouse_button_evt_button(k) \
  81         (((SDL_MouseButtonEvent*)(k))->button)
  82 #define sdl_mouse_evt_x(k) \
  83         (((SDL_MouseMotionEvent*)(k))->x)
  84 #define sdl_mouse_evt_y(k) \
  85         (((SDL_MouseMotionEvent*)(k))->y)
  86 #define sdl_mouse_evt_xrel(k) \
  87         (((SDL_MouseMotionEvent*)(k))->xrel)
  88 #define sdl_mouse_evt_yrel(k) \
  89         (((SDL_MouseMotionEvent*)(k))->yrel)
  90
  91 extern SDL_Event G_sdl_current_event;
  92 #define sdl_current_event(x) \
  93         (&G_sdl_current_event)
  94 #define sdl_poll_next_event(x) \
  95         (SDL_PollEvent(&G_sdl_current_event))
  96
  97 /* Time */
  98
  99 #define sdl_get_ticks(x) \
 100         (SDL_GetTicks())
 101 #define sdl_delay(x, i) \
 102         (SDL_Delay((i)))
 103 #endif