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SDL_ikbdevents.c
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SDL_ikbdevents.c
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 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"
/*
* Atari keyboard events manager, using hardware IKBD
*
* Patrice Mandin
*/
/* Mint includes */
#include <mint/osbind.h>
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
#include "SDL_atarikeys.h"
#include "SDL_atarievents_c.h"
#include "SDL_ikbdinterrupt_s.h"
#define KEY_PRESSED 0xff
#define KEY_UNDEFINED 0x80
#define KEY_RELEASED 0x00
static Uint16 atari_prevmouseb; /* save state of mouse buttons */
void
AtariIkbd_InitOSKeymap(_THIS)
{
SDL_memset(SDL_AtariIkbd_keyboard, KEY_UNDEFINED,
sizeof(SDL_AtariIkbd_keyboard));
/* Now install our handler */
SDL_AtariIkbd_mouseb = SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0;
atari_prevmouseb = 0;
Supexec(SDL_AtariIkbdInstall);
}
static int
atari_GetButton(int button)
{
switch (button) {
case 0:
return SDL_BUTTON_RIGHT;
break;
case 1:
default:
return SDL_BUTTON_LEFT;
break;
}
}
void
AtariIkbd_PumpEvents(_THIS)
{
int i;
SDL_keysym keysym;
int specialkeys;
/*--- Send keyboard events ---*/
/* Now generate events */
for (i = 0; i < ATARIBIOS_MAXKEYS; i++) {
/* Key pressed ? */
if (SDL_AtariIkbd_keyboard[i] == KEY_PRESSED) {
SDL_PrivateKeyboard(SDL_PRESSED,
SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
SDL_AtariIkbd_keyboard[i] = KEY_UNDEFINED;
}
/* Key released ? */
if (SDL_AtariIkbd_keyboard[i] == KEY_RELEASED) {
SDL_PrivateKeyboard(SDL_RELEASED,
SDL_Atari_TranslateKey(i, &keysym,
SDL_FALSE));
SDL_AtariIkbd_keyboard[i] = KEY_UNDEFINED;
}
}
/*--- Send mouse events ---*/
/* Mouse motion ? */
if (SDL_AtariIkbd_mousex || SDL_AtariIkbd_mousey) {
SDL_PrivateMouseMotion(0, 1, SDL_AtariIkbd_mousex,
SDL_AtariIkbd_mousey);
SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0;
}
/* Mouse button ? */
if (SDL_AtariIkbd_mouseb != atari_prevmouseb) {
for (i = 0; i < 2; i++) {
int curbutton, prevbutton;
curbutton = SDL_AtariIkbd_mouseb & (1 << i);
prevbutton = atari_prevmouseb & (1 << i);
if (curbutton && !prevbutton) {
SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0);
}
if (!curbutton && prevbutton) {
SDL_PrivateMouseButton(SDL_RELEASED,
atari_GetButton(i), 0, 0);
}
}
atari_prevmouseb = SDL_AtariIkbd_mouseb;
}
}
void
AtariIkbd_ShutdownEvents(void)
{
Supexec(SDL_AtariIkbdUninstall);
}
/* vi: set ts=4 sw=4 expandtab: */