/*

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.h"

#include "SDL_sysevents.h"

#include "SDL_events_c.h"

#include "SDL_dcvideo.h"

#include "SDL_dcevents_c.h"

#include <dc/maple.h>

#include <dc/maple/mouse.h>

#include <dc/maple/keyboard.h>

const static unsigned short sdl_key[]= {

/*0*/ 0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',

'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',

'u', 'v', 'w', 'x', 'y', 'z',

/*1e*/ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',

/*28*/ SDLK_RETURN, SDLK_ESCAPE, SDLK_BACKSPACE, SDLK_TAB, SDLK_SPACE, SDLK_MINUS, SDLK_PLUS, SDLK_LEFTBRACKET,

SDLK_RIGHTBRACKET, SDLK_BACKSLASH , 0, SDLK_SEMICOLON, SDLK_QUOTE,

/*35*/ '~', SDLK_COMMA, SDLK_PERIOD, SDLK_SLASH, SDLK_CAPSLOCK,

SDLK_F1, SDLK_F2, SDLK_F3, SDLK_F4, SDLK_F5, SDLK_F6, SDLK_F7, SDLK_F8, SDLK_F9, SDLK_F10, SDLK_F11, SDLK_F12,

/*46*/ SDLK_PRINT, SDLK_SCROLLOCK, SDLK_PAUSE, SDLK_INSERT, SDLK_HOME, SDLK_PAGEUP, SDLK_DELETE, SDLK_END, SDLK_PAGEDOWN, SDLK_RIGHT, SDLK_LEFT, SDLK_DOWN, SDLK_UP,

/*53*/ SDLK_NUMLOCK, SDLK_KP_DIVIDE, SDLK_KP_MULTIPLY, SDLK_KP_MINUS, SDLK_KP_PLUS, SDLK_KP_ENTER,

SDLK_KP1, SDLK_KP2, SDLK_KP3, SDLK_KP4, SDLK_KP5, SDLK_KP6,

/*5f*/ SDLK_KP7, SDLK_KP8, SDLK_KP9, SDLK_KP0, SDLK_KP_PERIOD, 0 /* S3 */

};

const static unsigned short sdl_shift[] = {

SDLK_LCTRL,SDLK_LSHIFT,SDLK_LALT,0 /* S1 */,

SDLK_RCTRL,SDLK_RSHIFT,SDLK_RALT,0 /* S2 */,

};

#define MOUSE_WHEELUP (1<<4)

#define MOUSE_WHEELDOWN (1<<5)

static void mouse_update(void)

{

const static char sdl_mousebtn[] = {

MOUSE_LEFTBUTTON,

MOUSE_RIGHTBUTTON,

MOUSE_SIDEBUTTON,

MOUSE_WHEELUP,

MOUSE_WHEELDOWN

};

uint8 addr;

mouse_cond_t cond;

static int prev_buttons;

int buttons,changed;

int i;

if ((addr = maple_first_mouse())==0 || mouse_get_cond(addr, &cond)<0) return;

buttons = cond.buttons^0xff;

if (cond.dz<0) buttons|=MOUSE_WHEELUP;

if (cond.dz>0) buttons|=MOUSE_WHEELDOWN;

if (cond.dx||cond.dy) SDL_PrivateMouseMotion(0,1,cond.dx,cond.dy);

changed = buttons^prev_buttons;

for(i=0;i<sizeof(sdl_mousebtn);i++) {

if (changed & sdl_mousebtn[i]) {

SDL_PrivateMouseButton((buttons & sdl_mousebtn[i])?SDL_PRESSED:SDL_RELEASED,i,0,0);

}

}

prev_buttons = buttons;

}

static void keyboard_update(void)

{

static kbd_state_t old_state;

static uint8 old_addr;

kbd_state_t *state;

uint8 addr;

int port,unit;

int shiftkeys;

SDL_keysym keysym;

int i;

addr = maple_first_kb();

if (addr==0) return;

if (addr!=old_addr) {

old_addr = addr;

memset(&old_state,0,sizeof(old_state));

}

maple_raddr(addr,&port,&unit);

state = kbd_get_state(port,unit);

if (!state) return;

shiftkeys = state->shift_keys ^ old_state.shift_keys;

for(i=0;i<sizeof(sdl_shift);i++) {

if ((shiftkeys>>i)&1) {

keysym.sym = sdl_shift[i];

SDL_PrivateKeyboard(((state->shift_keys>>i)&1)?SDL_PRESSED:SDL_RELEASED,&keysym);

}

}

for(i=0;i<sizeof(sdl_key);i++) {

if (state->matrix[i]!=old_state.matrix[i]) {

int key = sdl_key[i];

if (key) {

keysym.sym = key;

SDL_PrivateKeyboard(state->matrix[i]?SDL_PRESSED:SDL_RELEASED,&keysym);

}

}

}

old_state = *state;

}

void DC_PumpEvents(_THIS)

{

keyboard_update();

mouse_update();

}

void DC_InitOSKeymap(_THIS)

{

/* do nothing. */

}

/* end of SDL_dcevents.c ... */