/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2006 Sam Lantinga

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Lesser General Public

    License as published by the Free Software Foundation; either

    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public

    License along with this library; if not, write to the Free Software

    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

#ifndef _SDL_lowvideo_h

#define _SDL_lowvideo_h

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

#ifndef SetClassLongPtr

#define SetClassLongPtr	SetClassLong

#endif

#ifndef GetWindowLongPtr

#define GetWindowLongPtr	GetWindowLong

#endif

#ifndef SetWindowLongPtr

#define SetWindowLongPtr	SetWindowLong

#endif

#ifndef GWLP_WNDPROC

#define GWLP_WNDPROC	GWL_WNDPROC

#endif

#ifndef GWLP_HINSTANCE

#define GWLP_HINSTANCE GWL_HINSTANCE

#endif

#ifndef GCLP_HICON

#define GCLP_HICON GCL_HICON

#endif

#include "../SDL_sysvideo.h"

/* Hidden "this" pointer for the video functions */

#define _THIS	SDL_VideoDevice *this

#define WINDIB_FULLSCREEN()						\

(									\

	SDL_VideoSurface &&						\

	((SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && \

	(((SDL_VideoSurface->flags & SDL_OPENGL   ) == SDL_OPENGL    ) || \

	((SDL_strcmp(this->name, "windib") == 0) || \

	 (SDL_strcmp(this->name, "gapi") == 0))) \

)

#define DDRAW_FULLSCREEN() 						\

(									\

	SDL_VideoSurface &&						\

	((SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && \

	((SDL_VideoSurface->flags & SDL_OPENGL    ) != SDL_OPENGL    ) && \

	(SDL_strcmp(this->name, "directx") == 0)				\

)

#define DINPUT_FULLSCREEN()	DDRAW_FULLSCREEN()

/* The main window -- and a function to set it for the audio */

#ifdef _WIN32_WCE

extern LPWSTR SDL_Appname;

#else

extern LPSTR SDL_Appname;

#endif

extern HINSTANCE SDL_Instance;

extern HWND SDL_Window;

extern BOOL SDL_windowid;

/* Variables and functions exported to other parts of the native video

   subsystem (SDL_sysevents.c)

*/

extern void WIN_FlushMessageQueue();

/* Called by windows message loop when application is activated */

extern void (*WIN_Activate)(_THIS, BOOL active, BOOL minimized);

/* Called by windows message loop when system palette is available */

extern void (*WIN_RealizePalette)(_THIS);

/* Called by windows message loop when the system palette changes */

extern void (*WIN_PaletteChanged)(_THIS, HWND window);

/* Called by windows message loop when a portion of the screen needs update */

extern void (*WIN_WinPAINT)(_THIS, HDC hdc);

/* Called by windows message loop when the message isn't handled */

extern LONG (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

/* The window cursor (from SDL_sysmouse.c) */

extern HCURSOR SDL_hcursor;

/* The bounds of the window in screen coordinates */

extern RECT SDL_bounds;

/* The position of the window in windowed mode */

extern int SDL_windowX;

extern int SDL_windowY;

/* Flag -- SDL is performing a resize, rather than the user */

extern int SDL_resizing;

/* Flag -- the mouse is in relative motion mode */

extern int mouse_relative;

/* The GDI fullscreen mode currently active */

#ifndef NO_CHANGEDISPLAYSETTINGS

extern DEVMODE SDL_desktop_mode;

extern DEVMODE SDL_fullscreen_mode;

#endif

/* The system gamma ramp for GDI modes */

extern WORD *gamma_saved;

/* This is really from SDL_dx5audio.c */

extern void DX5_SoundFocus(HWND window);

/* DJM: This is really from SDL_sysevents.c, we need it in

   GDL_CreateWindow as well */

LRESULT CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

/* JFP: Implementation of ToUnicode() that works on 9x/ME/2K/XP */

typedef int (WINAPI *ToUnicodeFN)(UINT, UINT, PBYTE, LPWSTR, int, UINT);

extern ToUnicodeFN SDL_ToUnicode;

#endif /* SDL_lowvideo_h */