/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2012 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"

#if SDL_VIDEO_DRIVER_BWINDOW

#include <SupportDefs.h>
#include <support/UTF8.h>

#ifdef __cplusplus
extern "C" {
#endif

#include "SDL_events.h"
#include "SDL_keycode.h"

#include "SDL_bkeyboard.h"


#define KEYMAP_SIZE 128


static SDL_Scancode keymap[KEYMAP_SIZE];
static int8 keystate[KEYMAP_SIZE];

void BE_InitOSKeymap() {
		for( uint i = 0; i < SDL_TABLESIZE(keymap); ++i ) {
			keymap[i] = SDL_SCANCODE_UNKNOWN;
		}

		for( uint i = 0; i < KEYMAP_SIZE; ++i ) {
			keystate[i] = SDL_RELEASED;
		}

		keymap[0x01]		= SDL_GetScancodeFromKey(SDLK_ESCAPE);
		keymap[B_F1_KEY]	= SDL_GetScancodeFromKey(SDLK_F1);
		keymap[B_F2_KEY]	= SDL_GetScancodeFromKey(SDLK_F2);
		keymap[B_F3_KEY]	= SDL_GetScancodeFromKey(SDLK_F3);
		keymap[B_F4_KEY]	= SDL_GetScancodeFromKey(SDLK_F4);
		keymap[B_F5_KEY]	= SDL_GetScancodeFromKey(SDLK_F5);
		keymap[B_F6_KEY]	= SDL_GetScancodeFromKey(SDLK_F6);
		keymap[B_F7_KEY]	= SDL_GetScancodeFromKey(SDLK_F7);
		keymap[B_F8_KEY]	= SDL_GetScancodeFromKey(SDLK_F8);
		keymap[B_F9_KEY]	= SDL_GetScancodeFromKey(SDLK_F9);
		keymap[B_F10_KEY]	= SDL_GetScancodeFromKey(SDLK_F10);
		keymap[B_F11_KEY]	= SDL_GetScancodeFromKey(SDLK_F11);
		keymap[B_F12_KEY]	= SDL_GetScancodeFromKey(SDLK_F12);
		keymap[B_PRINT_KEY]	= SDL_GetScancodeFromKey(SDLK_PRINTSCREEN);
		keymap[B_SCROLL_KEY]	= SDL_GetScancodeFromKey(SDLK_SCROLLLOCK);
		keymap[B_PAUSE_KEY]	= SDL_GetScancodeFromKey(SDLK_PAUSE);
		keymap[0x11]		= SDL_GetScancodeFromKey(SDLK_BACKQUOTE);
		keymap[0x12]		= SDL_GetScancodeFromKey(SDLK_1);
		keymap[0x13]		= SDL_GetScancodeFromKey(SDLK_2);
		keymap[0x14]		= SDL_GetScancodeFromKey(SDLK_3);
		keymap[0x15]		= SDL_GetScancodeFromKey(SDLK_4);
		keymap[0x16]		= SDL_GetScancodeFromKey(SDLK_5);
		keymap[0x17]		= SDL_GetScancodeFromKey(SDLK_6);
		keymap[0x18]		= SDL_GetScancodeFromKey(SDLK_7);
		keymap[0x19]		= SDL_GetScancodeFromKey(SDLK_8);
		keymap[0x1a]		= SDL_GetScancodeFromKey(SDLK_9);
		keymap[0x1b]		= SDL_GetScancodeFromKey(SDLK_0);
		keymap[0x1c]		= SDL_GetScancodeFromKey(SDLK_MINUS);
		keymap[0x1d]		= SDL_GetScancodeFromKey(SDLK_EQUALS);
		keymap[0x1e]		= SDL_GetScancodeFromKey(SDLK_BACKSPACE);
		keymap[0x1f]		= SDL_GetScancodeFromKey(SDLK_INSERT);
		keymap[0x20]		= SDL_GetScancodeFromKey(SDLK_HOME);
		keymap[0x21]		= SDL_GetScancodeFromKey(SDLK_PAGEUP);
		keymap[0x22]		= SDL_GetScancodeFromKey(SDLK_NUMLOCKCLEAR);
		keymap[0x23]		= SDL_GetScancodeFromKey(SDLK_KP_DIVIDE);
		keymap[0x24]		= SDL_GetScancodeFromKey(SDLK_KP_MULTIPLY);
		keymap[0x25]		= SDL_GetScancodeFromKey(SDLK_KP_MINUS);
		keymap[0x26]		= SDL_GetScancodeFromKey(SDLK_TAB);
		keymap[0x27]		= SDL_GetScancodeFromKey(SDLK_q);
		keymap[0x28]		= SDL_GetScancodeFromKey(SDLK_w);
		keymap[0x29]		= SDL_GetScancodeFromKey(SDLK_e);
		keymap[0x2a]		= SDL_GetScancodeFromKey(SDLK_r);
		keymap[0x2b]		= SDL_GetScancodeFromKey(SDLK_t);
		keymap[0x2c]		= SDL_GetScancodeFromKey(SDLK_y);
		keymap[0x2d]		= SDL_GetScancodeFromKey(SDLK_u);
		keymap[0x2e]		= SDL_GetScancodeFromKey(SDLK_i);
		keymap[0x2f]		= SDL_GetScancodeFromKey(SDLK_o);
		keymap[0x30]		= SDL_GetScancodeFromKey(SDLK_p);
		keymap[0x31]		= SDL_GetScancodeFromKey(SDLK_LEFTBRACKET);
		keymap[0x32]		= SDL_GetScancodeFromKey(SDLK_RIGHTBRACKET);
		keymap[0x33]		= SDL_GetScancodeFromKey(SDLK_BACKSLASH);
		keymap[0x34]		= SDL_GetScancodeFromKey(SDLK_DELETE);
		keymap[0x35]		= SDL_GetScancodeFromKey(SDLK_END);
		keymap[0x36]		= SDL_GetScancodeFromKey(SDLK_PAGEDOWN);
		keymap[0x37]		= SDL_GetScancodeFromKey(SDLK_KP_7);
		keymap[0x38]		= SDL_GetScancodeFromKey(SDLK_KP_8);
		keymap[0x39]		= SDL_GetScancodeFromKey(SDLK_KP_9);
		keymap[0x3a]		= SDL_GetScancodeFromKey(SDLK_KP_PLUS);
		keymap[0x3b]		= SDL_GetScancodeFromKey(SDLK_CAPSLOCK);
		keymap[0x3c]		= SDL_GetScancodeFromKey(SDLK_a);
		keymap[0x3d]		= SDL_GetScancodeFromKey(SDLK_s);
		keymap[0x3e]		= SDL_GetScancodeFromKey(SDLK_d);
		keymap[0x3f]		= SDL_GetScancodeFromKey(SDLK_f);
		keymap[0x40]		= SDL_GetScancodeFromKey(SDLK_g);
		keymap[0x41]		= SDL_GetScancodeFromKey(SDLK_h);
		keymap[0x42]		= SDL_GetScancodeFromKey(SDLK_j);
		keymap[0x43]		= SDL_GetScancodeFromKey(SDLK_k);
		keymap[0x44]		= SDL_GetScancodeFromKey(SDLK_l);
		keymap[0x45]		= SDL_GetScancodeFromKey(SDLK_SEMICOLON);
		keymap[0x46]		= SDL_GetScancodeFromKey(SDLK_QUOTE);
		keymap[0x47]		= SDL_GetScancodeFromKey(SDLK_RETURN);
		keymap[0x48]		= SDL_GetScancodeFromKey(SDLK_KP_4);
		keymap[0x49]		= SDL_GetScancodeFromKey(SDLK_KP_5);
		keymap[0x4a]		= SDL_GetScancodeFromKey(SDLK_KP_6);
		keymap[0x4b]		= SDL_GetScancodeFromKey(SDLK_LSHIFT);
		keymap[0x4c]		= SDL_GetScancodeFromKey(SDLK_z);
		keymap[0x4d]		= SDL_GetScancodeFromKey(SDLK_x);
		keymap[0x4e]		= SDL_GetScancodeFromKey(SDLK_c);
		keymap[0x4f]		= SDL_GetScancodeFromKey(SDLK_v);
		keymap[0x50]		= SDL_GetScancodeFromKey(SDLK_b);
		keymap[0x51]		= SDL_GetScancodeFromKey(SDLK_n);
		keymap[0x52]		= SDL_GetScancodeFromKey(SDLK_m);
		keymap[0x53]		= SDL_GetScancodeFromKey(SDLK_COMMA);
		keymap[0x54]		= SDL_GetScancodeFromKey(SDLK_PERIOD);
		keymap[0x55]		= SDL_GetScancodeFromKey(SDLK_SLASH);
		keymap[0x56]		= SDL_GetScancodeFromKey(SDLK_RSHIFT);
		keymap[0x57]		= SDL_GetScancodeFromKey(SDLK_UP);
		keymap[0x58]		= SDL_GetScancodeFromKey(SDLK_KP_1);
		keymap[0x59]		= SDL_GetScancodeFromKey(SDLK_KP_2);
		keymap[0x5a]		= SDL_GetScancodeFromKey(SDLK_KP_3);
		keymap[0x5b]		= SDL_GetScancodeFromKey(SDLK_KP_ENTER);
		keymap[0x5c]		= SDL_GetScancodeFromKey(SDLK_LCTRL);
		keymap[0x5d]		= SDL_GetScancodeFromKey(SDLK_LALT);
		keymap[0x5e]		= SDL_GetScancodeFromKey(SDLK_SPACE);
		keymap[0x5f]		= SDL_GetScancodeFromKey(SDLK_RALT);
		keymap[0x60]		= SDL_GetScancodeFromKey(SDLK_RCTRL);
		keymap[0x61]		= SDL_GetScancodeFromKey(SDLK_LEFT);
		keymap[0x62]		= SDL_GetScancodeFromKey(SDLK_DOWN);
		keymap[0x63]		= SDL_GetScancodeFromKey(SDLK_RIGHT);
		keymap[0x64]		= SDL_GetScancodeFromKey(SDLK_KP_0);
		keymap[0x65]		= SDL_GetScancodeFromKey(SDLK_KP_PERIOD);
		keymap[0x66]		= SDL_GetScancodeFromKey(SDLK_LGUI);
		keymap[0x67]		= SDL_GetScancodeFromKey(SDLK_RGUI);
		keymap[0x68]		= SDL_GetScancodeFromKey(SDLK_MENU);
		keymap[0x69]		= SDL_GetScancodeFromKey(SDLK_2); /* SDLK_EURO */
		keymap[0x6a]		= SDL_GetScancodeFromKey(SDLK_KP_EQUALS);
		keymap[0x6b]		= SDL_GetScancodeFromKey(SDLK_POWER);
}

SDL_Scancode BE_GetScancodeFromBeKey(int32 bkey) {
	if(bkey > 0 && bkey < (int32)SDL_TABLESIZE(keymap)) {
		return keymap[bkey];
	} else {
		return SDL_SCANCODE_UNKNOWN;
	}
}

int8 BE_GetKeyState(int32 bkey) {
	if(bkey > 0 && bkey < KEYMAP_SIZE) {
		return keystate[bkey];
	} else {
		return SDL_RELEASED;
	}
}

void BE_SetKeyState(int32 bkey, int8 state) {
	if(bkey > 0 && bkey < KEYMAP_SIZE) {
		keystate[bkey] = state;
	}
}

#ifdef __cplusplus
}
#endif

#endif /* SDL_VIDEO_DRIVER_BWINDOW */
