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Date: Tue, 27 Jul 2004 17:14:00 +0200 From: "Eckhard Stolberg" Subject: Controller names in SDL for Windows I'm working on an Atari 2600 emulator for different systems that uses the SDL. Some time ago someone created an adaptor that lets you use your old Atari controllers with your computer through the USB port. Some of the Atari controllers require special handling by the emulator, so it would be nice, if it would be possible to detect if any of the controllers connected to the computer is this adaptor. SDL would allow that with the SDL_JoystickName function, but unfortunately it doesn't work properly on Windows. On Linux and MacOSX this function returns the name of the controller, but on Windows you'll only get the name of the joystick driver. Most joysticks nowadays use the generic Microsoft driver, so they all return the same name. In an old MSDN article (http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/dnarinput/html/msdn_extdirect.asp) Microsoft describes how to read out the OEM controller names from the registry. I have implemented this for the SDL controller handler on Windows, and now reading the joystick name works properly there too.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Aug 2004 03:45:58 +0000
parents 31fa08b36380
children 86d0d01290ea
line wrap: on
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga
    slouken@libsdl.org
*/

#ifdef SAVE_RCSID
static char rcsid =
 "@(#) $Id$";
#endif

#ifndef _SDL_lowvideo_h
#define _SDL_lowvideo_h

#include <windows.h>

#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    ) || \
	 (strcmp(this->name, "windib") == 0))				\
)
#define DDRAW_FULLSCREEN() 						\
(									\
	SDL_VideoSurface &&						\
	((SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && \
	((SDL_VideoSurface->flags & SDL_OPENGL    ) != SDL_OPENGL    ) && \
	(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 const char *SDL_windowid;

/* Variables and functions exported to other parts of the native video
   subsystem (SDL_sysevents.c)
*/
/* 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_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 */
LONG CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

#endif /* SDL_lowvideo_h */