SDL_atarievents.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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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
/*
* Atari keyboard events manager
*
* Patrice Mandin
*
* This routines choose what the final event manager will be
*/
#include <stdlib.h>
#include <string.h>
#include <sys/cookie.h>
#include "SDL.h"
#include "SDL_sysevents.h"
#include "SDL_events_c.h"
#include "SDL_atarievents_c.h"
#include "SDL_biosevents_c.h"
#include "SDL_gemdosevents_c.h"
#include "SDL_ikbdevents_c.h"
enum {
MCH_ST=0,
MCH_STE,
MCH_TT,
MCH_F30
};
void (*Atari_ShutdownEvents)(void);
static void Atari_InitializeEvents(_THIS)
{
const char *envr;
unsigned long cookie_mch;
/* Test if we are on an Atari machine or not */
if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
cookie_mch = 0;
}
cookie_mch >>= 16;
/* Default is Ikbd, the faster except for clones */
switch(cookie_mch) {
case MCH_ST:
case MCH_STE:
case MCH_TT:
case MCH_F30:
this->InitOSKeymap=AtariIkbd_InitOSKeymap;
this->PumpEvents=AtariIkbd_PumpEvents;
Atari_ShutdownEvents=AtariIkbd_ShutdownEvents;
break;
default:
this->InitOSKeymap=AtariGemdos_InitOSKeymap;
this->PumpEvents=AtariGemdos_PumpEvents;
Atari_ShutdownEvents=AtariGemdos_ShutdownEvents;
break;
}
envr = getenv("SDL_ATARI_EVENTSDRIVER");
if (!envr) {
return;
}
if (strcmp(envr, "ikbd") == 0) {
this->InitOSKeymap=AtariIkbd_InitOSKeymap;
this->PumpEvents=AtariIkbd_PumpEvents;
Atari_ShutdownEvents=AtariIkbd_ShutdownEvents;
}
if (strcmp(envr, "gemdos") == 0) {
this->InitOSKeymap=AtariGemdos_InitOSKeymap;
this->PumpEvents=AtariGemdos_PumpEvents;
Atari_ShutdownEvents=AtariGemdos_ShutdownEvents;
}
if (strcmp(envr, "bios") == 0) {
this->InitOSKeymap=AtariBios_InitOSKeymap;
this->PumpEvents=AtariBios_PumpEvents;
Atari_ShutdownEvents=AtariBios_ShutdownEvents;
}
}
void Atari_InitOSKeymap(_THIS)
{
Atari_InitializeEvents(this);
/* Call choosen routine */
this->InitOSKeymap(this);
}
void Atari_PumpEvents(_THIS)
{
Atari_InitializeEvents(this);
/* Call choosen routine */
this->PumpEvents(this);
}