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SDL_atarievents.c
232 lines (191 loc) · 7.15 KB
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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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
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Sam Lantinga
slouken@libsdl.org
*/
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#include "SDL_config.h"
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/*
* Atari keyboard events manager
*
* Patrice Mandin
*
* This routines choose what the final event manager will be
*/
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#include <mint/cookie.h>
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#include <mint/ostruct.h>
#include <mint/osbind.h>
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#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
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#include "SDL_atarikeys.h"
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#include "SDL_atarievents_c.h"
#include "SDL_biosevents_c.h"
#include "SDL_gemdosevents_c.h"
#include "SDL_ikbdevents_c.h"
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enum
{
MCH_ST = 0,
MCH_STE,
MCH_TT,
MCH_F30,
MCH_CLONE,
MCH_ARANYM
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};
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#ifndef KT_NOCHANGE
# define KT_NOCHANGE -1
#endif
/* The translation tables from a console scancode to a SDL keysym */
static SDLKey keymap[ATARIBIOS_MAXKEYS];
static unsigned char *keytab_normal;
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void (*SDL_Atari_ShutdownEvents) (void);
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static void
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SDL_Atari_InitializeEvents(_THIS)
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{
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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:
case MCH_ARANYM:
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_this->PumpEvents = AtariIkbd_PumpEvents;
SDL_Atari_ShutdownEvents = AtariIkbd_ShutdownEvents;
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break;
default:
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_this->PumpEvents = AtariGemdos_PumpEvents;
SDL_Atari_ShutdownEvents = AtariGemdos_ShutdownEvents;
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break;
}
envr = SDL_getenv("SDL_ATARI_EVENTSDRIVER");
if (!envr) {
return;
}
if (SDL_strcmp(envr, "ikbd") == 0) {
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_this->PumpEvents = AtariIkbd_PumpEvents;
SDL_Atari_ShutdownEvents = AtariIkbd_ShutdownEvents;
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}
if (SDL_strcmp(envr, "gemdos") == 0) {
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_this->PumpEvents = AtariGemdos_PumpEvents;
SDL_Atari_ShutdownEvents = AtariGemdos_ShutdownEvents;
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}
if (SDL_strcmp(envr, "bios") == 0) {
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_this->PumpEvents = AtariBios_PumpEvents;
SDL_Atari_ShutdownEvents = AtariBios_ShutdownEvents;
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}
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SDL_Atari_InitInternalKeymap(_this);
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}
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void
Atari_PumpEvents(_THIS)
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{
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Atari_InitializeEvents(_this);
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/* Call choosen routine */
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_this->PumpEvents(_this);
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}
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void
SDL_Atari_InitInternalKeymap(_THIS)
{
int i;
_KEYTAB *key_tables;
/* Read system tables for scancode -> ascii translation */
key_tables = (_KEYTAB *) Keytbl(KT_NOCHANGE, KT_NOCHANGE, KT_NOCHANGE);
keytab_normal = key_tables->unshift;
/* Initialize keymap */
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for (i = 0; i < ATARIBIOS_MAXKEYS; i++)
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keymap[i] = SDLK_UNKNOWN;
/* Functions keys */
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for (i = 0; i < 10; i++)
keymap[SCANCODE_F1 + i] = SDLK_F1 + i;
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/* Cursor keypad */
keymap[SCANCODE_HELP] = SDLK_HELP;
keymap[SCANCODE_UNDO] = SDLK_UNDO;
keymap[SCANCODE_INSERT] = SDLK_INSERT;
keymap[SCANCODE_CLRHOME] = SDLK_HOME;
keymap[SCANCODE_UP] = SDLK_UP;
keymap[SCANCODE_DOWN] = SDLK_DOWN;
keymap[SCANCODE_RIGHT] = SDLK_RIGHT;
keymap[SCANCODE_LEFT] = SDLK_LEFT;
/* Special keys */
keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
keymap[SCANCODE_TAB] = SDLK_TAB;
keymap[SCANCODE_ENTER] = SDLK_RETURN;
keymap[SCANCODE_DELETE] = SDLK_DELETE;
keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
keymap[SCANCODE_LEFTALT] = SDLK_LALT;
keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
}
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/* Atari to Unicode charset translation table */
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Uint16 SDL_AtariToUnicodeTable[256] = {
/* Standard ASCII characters from 0x00 to 0x7e */
/* Unicode stuff from 0x7f to 0xff */
0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F,
0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F,
0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F,
0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F,
0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F,
0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
0x0058, 0x0059, 0x005A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F,
0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F,
0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x0394,
0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x00DF, 0x0192,
0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
0x00C3, 0x00F5, 0x00D8, 0x00F8, 0x0153, 0x0152, 0x00C0, 0x00C3,
0x00D5, 0x00A8, 0x00B4, 0x2020, 0x00B6, 0x00A9, 0x00AE, 0x2122,
0x0133, 0x0132, 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5,
0x05D6, 0x05D7, 0x05D8, 0x05D9, 0x05DB, 0x05DC, 0x05DE, 0x05E0,
0x05E1, 0x05E2, 0x05E4, 0x05E6, 0x05E7, 0x05E8, 0x05E9, 0x05EA,
0x05DF, 0x05DA, 0x05DD, 0x05E3, 0x05E5, 0x00A7, 0x2038, 0x221E,
0x03B1, 0x03B2, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
0x03A6, 0x0398, 0x03A9, 0x03B4, 0x222E, 0x03C6, 0x2208, 0x2229,
0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
0x00B0, 0x2022, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x00B3, 0x00AF
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};
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SDL_keysym *
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SDL_Atari_TranslateKey(int scancode, SDL_keysym * keysym, SDL_bool pressed)
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{
int asciicode = 0;
/* Set the keysym information */
keysym->scancode = scancode;
keysym->mod = KMOD_NONE;
keysym->sym = keymap[scancode];
keysym->unicode = 0;
if (keysym->sym == SDLK_UNKNOWN) {
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keysym->sym = asciicode = keytab_normal[scancode];
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}
if (SDL_TranslateUNICODE && pressed) {
keysym->unicode = SDL_AtariToUnicodeTable[asciicode];
}
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return (keysym);
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}
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/* vi: set ts=4 sw=4 expandtab: */