/*

SDL - Simple DirectMedia Layer

This library is free software; you can redistribute it and/or

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

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

*/

/* Handle the event stream, converting AA events into SDL events */

#include <stdio.h>

#include <aalib.h>

#include "SDL.h"

#include "../../events/SDL_sysevents.h"

#include "../../events/SDL_events_c.h"

#include "SDL_aavideo.h"

#include "SDL_aaevents_c.h"

/* The translation tables from a console scancode to a SDL keysym */

static SDLKey keymap[401];

static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);

void AA_PumpEvents(_THIS)

{

int posted = 0;

int mouse_button, mouse_x, mouse_y;

int evt;

SDL_keysym keysym;

static int prev_button = -1, prev_x = -1, prev_y = -1;

if( ! this->screen ) /* Wait till we got the screen initialized */

return;

do {

posted = 0;

/* Gather events */

/* Get mouse status */

SDL_mutexP(AA_mutex);

aa_getmouse (AA_context, &mouse_x, &mouse_y, &mouse_button);

SDL_mutexV(AA_mutex);

mouse_x = mouse_x * this->screen->w / aa_scrwidth (AA_context);

mouse_y = mouse_y * this->screen->h / aa_scrheight (AA_context);

/* Compare against previous state and generate events */

if( prev_button != mouse_button ) {

if( mouse_button & AA_BUTTON1 ) {

if ( ! (prev_button & AA_BUTTON1) ) {

posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);

}

} else {

if ( prev_button & AA_BUTTON1 ) {

posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);

}

}

if( mouse_button & AA_BUTTON2 ) {

if ( ! (prev_button & AA_BUTTON2) ) {

posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);

}

} else {

if ( prev_button & AA_BUTTON2 ) {

posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);

}

}

if( mouse_button & AA_BUTTON3 ) {

if ( ! (prev_button & AA_BUTTON3) ) {

posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);

}

} else {

if ( prev_button & AA_BUTTON3 ) {

posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);

}

}

}

if ( prev_x != mouse_x || prev_y != mouse_y ) {

posted += SDL_PrivateMouseMotion(0, 0, mouse_x, mouse_y);

}

prev_button = mouse_button;

prev_x = mouse_x; prev_y = mouse_y;

/* Get keyboard event */

SDL_mutexP(AA_mutex);

evt = aa_getevent(AA_context, 0);

SDL_mutexV(AA_mutex);

if ( (evt > AA_NONE) && (evt < AA_RELEASE) && (evt != AA_MOUSE) && (evt != AA_RESIZE) ) {

/* Key pressed */

/* printf("Key pressed: %d (%c)\n", evt, evt); */

posted += SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(evt, &keysym));

} else if ( evt >= AA_RELEASE ) {

/* Key released */

evt &= ~AA_RELEASE;

/* printf("Key released: %d (%c)\n", evt, evt); */

posted += SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(evt, &keysym));

}

} while ( posted );

}

void AA_InitOSKeymap(_THIS)

{

int i;

static const char *std_keys = " 01234567890&#'()_-|$*+-=/\\:;.,!?<>{}[]@~%^\x9";

const char *std;

/* Initialize the AAlib key translation table */

for ( i=0; i<SDL_TABLESIZE(keymap); ++i )

keymap[i] = SDLK_UNKNOWN;

keymap[AA_ESC] = SDLK_ESCAPE;

keymap[AA_UP] = SDLK_UP;

keymap[AA_DOWN] = SDLK_DOWN;

keymap[AA_LEFT] = SDLK_LEFT;

keymap[AA_RIGHT] = SDLK_RIGHT;

/* Alphabet keys */

for ( i = 0; i<26; ++i ){

keymap['a' + i] = SDLK_a+i;

keymap['A' + i] = SDLK_a+i;

}

/* Function keys */

for ( i = 0; i<12; ++i ){

keymap[334 + i] = SDLK_F1+i;

}

/* Keys that have the same symbols and don't have to be translated */

for( std = std_keys; *std; std ++ ) {

keymap[*std] = *std;

}

keymap[13] = SDLK_RETURN;

keymap[AA_BACKSPACE] = SDLK_BACKSPACE;

keymap[369] = SDLK_LSHIFT;

keymap[370] = SDLK_RSHIFT;

keymap[371] = SDLK_LCTRL;

keymap[372] = SDLK_RCTRL;

keymap[377] = SDLK_LALT;

keymap[270] = SDLK_RALT;

keymap[271] = SDLK_NUMLOCK;

keymap[373] = SDLK_CAPSLOCK;

keymap[164] = SDLK_SCROLLOCK;

keymap[243] = SDLK_INSERT;

keymap[304] = SDLK_DELETE;

keymap[224] = SDLK_HOME;

keymap[231] = SDLK_END;

keymap[229] = SDLK_PAGEUP;

keymap[230] = SDLK_PAGEDOWN;

keymap[241] = SDLK_PRINT;

keymap[163] = SDLK_BREAK;

keymap[302] = SDLK_KP0;

keymap[300] = SDLK_KP1;

keymap[297] = SDLK_KP2;

keymap[299] = SDLK_KP3;

keymap[294] = SDLK_KP4;

keymap[301] = SDLK_KP5;

keymap[296] = SDLK_KP6;

keymap[293] = SDLK_KP7;

keymap[295] = SDLK_KP8;

keymap[298] = SDLK_KP9;

}

static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)

{

/* Set the keysym information */

keysym->scancode = scancode;

keysym->sym = keymap[scancode];

keysym->mod = KMOD_NONE;

/* If UNICODE is on, get the UNICODE value for the key */

keysym->unicode = 0;

if ( SDL_TranslateUNICODE ) {

/* Populate the unicode field with the ASCII value */

keysym->unicode = scancode;

}

return(keysym);

}