/*

    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"

/* Handle the event stream, converting DirectFB input events into SDL events */

#include <sys/types.h>

#include <sys/time.h>

#include <unistd.h>

#include <fcntl.h>

#include <termios.h>

#include <directfb.h>

#include "SDL.h"

#include "../SDL_sysvideo.h"

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

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

#include "SDL_DirectFB_video.h"

#include "SDL_DirectFB_events.h"

/* The translation tables from a DirectFB keycode to a SDL keysym */

static SDLKey keymap[256];

static SDL_keysym *DirectFB_TranslateKey (DFBInputEvent *ev, SDL_keysym *keysym);

static int DirectFB_TranslateButton (DFBInputEvent *ev);

static int posted = 0;

void DirectFB_PumpEvents (_THIS)

{

  DFBInputEvent evt;

  while (HIDDEN->eventbuffer->GetEvent (HIDDEN->eventbuffer,

                                        DFB_EVENT (&evt)) == DFB_OK)

    {

      SDL_keysym keysym;

      switch (evt.type)

        {

        case DIET_BUTTONPRESS:

          posted += SDL_PrivateMouseButton(SDL_PRESSED,

                                           DirectFB_TranslateButton (&evt), 0, 0);

          break;

        case DIET_BUTTONRELEASE:

          posted += SDL_PrivateMouseButton(SDL_RELEASED,

                                           DirectFB_TranslateButton (&evt), 0, 0);

          break;

        case DIET_KEYPRESS:

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

          break;

        case DIET_KEYRELEASE:

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

          break;

        case DIET_AXISMOTION:

          if (evt.flags & DIEF_AXISREL)

            {

              if (evt.axis == DIAI_X)

                posted += SDL_PrivateMouseMotion(0, 1, evt.axisrel, 0);

              else if (evt.axis == DIAI_Y)

                posted += SDL_PrivateMouseMotion(0, 1, 0, evt.axisrel);

            }

          else if (evt.flags & DIEF_AXISABS)

            {

              static int last_x, last_y;

              if (evt.axis == DIAI_X)

                last_x = evt.axisabs;

              else if (evt.axis == DIAI_Y)

                last_y = evt.axisabs;

              posted += SDL_PrivateMouseMotion(0, 0, last_x, last_y);

            }

          break;

        default:

          ;

        }

    }

}

void DirectFB_InitOSKeymap (_THIS)

{

  int i;

  /* Initialize the DirectFB key translation table */

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

    keymap[i] = SDLK_UNKNOWN;

  keymap[DIKI_A - DIKI_UNKNOWN] = SDLK_a;

  keymap[DIKI_B - DIKI_UNKNOWN] = SDLK_b;

  keymap[DIKI_C - DIKI_UNKNOWN] = SDLK_c;

  keymap[DIKI_D - DIKI_UNKNOWN] = SDLK_d;

  keymap[DIKI_E - DIKI_UNKNOWN] = SDLK_e;

  keymap[DIKI_F - DIKI_UNKNOWN] = SDLK_f;

  keymap[DIKI_G - DIKI_UNKNOWN] = SDLK_g;

  keymap[DIKI_H - DIKI_UNKNOWN] = SDLK_h;

  keymap[DIKI_I - DIKI_UNKNOWN] = SDLK_i;

  keymap[DIKI_J - DIKI_UNKNOWN] = SDLK_j;

  keymap[DIKI_K - DIKI_UNKNOWN] = SDLK_k;

  keymap[DIKI_L - DIKI_UNKNOWN] = SDLK_l;

  keymap[DIKI_M - DIKI_UNKNOWN] = SDLK_m;

  keymap[DIKI_N - DIKI_UNKNOWN] = SDLK_n;

  keymap[DIKI_O - DIKI_UNKNOWN] = SDLK_o;

  keymap[DIKI_P - DIKI_UNKNOWN] = SDLK_p;

  keymap[DIKI_Q - DIKI_UNKNOWN] = SDLK_q;

  keymap[DIKI_R - DIKI_UNKNOWN] = SDLK_r;

  keymap[DIKI_S - DIKI_UNKNOWN] = SDLK_s;

  keymap[DIKI_T - DIKI_UNKNOWN] = SDLK_t;

  keymap[DIKI_U - DIKI_UNKNOWN] = SDLK_u;

  keymap[DIKI_V - DIKI_UNKNOWN] = SDLK_v;

  keymap[DIKI_W - DIKI_UNKNOWN] = SDLK_w;

  keymap[DIKI_X - DIKI_UNKNOWN] = SDLK_x;

  keymap[DIKI_Y - DIKI_UNKNOWN] = SDLK_y;

  keymap[DIKI_Z - DIKI_UNKNOWN] = SDLK_z;

  keymap[DIKI_0 - DIKI_UNKNOWN] = SDLK_0;

  keymap[DIKI_1 - DIKI_UNKNOWN] = SDLK_1;

  keymap[DIKI_2 - DIKI_UNKNOWN] = SDLK_2;

  keymap[DIKI_3 - DIKI_UNKNOWN] = SDLK_3;

  keymap[DIKI_4 - DIKI_UNKNOWN] = SDLK_4;

  keymap[DIKI_5 - DIKI_UNKNOWN] = SDLK_5;

  keymap[DIKI_6 - DIKI_UNKNOWN] = SDLK_6;

  keymap[DIKI_7 - DIKI_UNKNOWN] = SDLK_7;

  keymap[DIKI_8 - DIKI_UNKNOWN] = SDLK_8;

  keymap[DIKI_9 - DIKI_UNKNOWN] = SDLK_9;

  keymap[DIKI_F1 - DIKI_UNKNOWN] = SDLK_F1;

  keymap[DIKI_F2 - DIKI_UNKNOWN] = SDLK_F2;

  keymap[DIKI_F3 - DIKI_UNKNOWN] = SDLK_F3;

  keymap[DIKI_F4 - DIKI_UNKNOWN] = SDLK_F4;

  keymap[DIKI_F5 - DIKI_UNKNOWN] = SDLK_F5;

  keymap[DIKI_F6 - DIKI_UNKNOWN] = SDLK_F6;

  keymap[DIKI_F7 - DIKI_UNKNOWN] = SDLK_F7;

  keymap[DIKI_F8 - DIKI_UNKNOWN] = SDLK_F8;

  keymap[DIKI_F9 - DIKI_UNKNOWN] = SDLK_F9;

  keymap[DIKI_F10 - DIKI_UNKNOWN] = SDLK_F10;

  keymap[DIKI_F11 - DIKI_UNKNOWN] = SDLK_F11;

  keymap[DIKI_F12 - DIKI_UNKNOWN] = SDLK_F12;

  keymap[DIKI_ESCAPE - DIKI_UNKNOWN] = SDLK_ESCAPE;

  keymap[DIKI_LEFT - DIKI_UNKNOWN] = SDLK_LEFT;

  keymap[DIKI_RIGHT - DIKI_UNKNOWN] = SDLK_RIGHT;

  keymap[DIKI_UP - DIKI_UNKNOWN] = SDLK_UP;

  keymap[DIKI_DOWN - DIKI_UNKNOWN] = SDLK_DOWN;

  keymap[DIKI_CONTROL_L - DIKI_UNKNOWN] = SDLK_LCTRL;

  keymap[DIKI_CONTROL_R - DIKI_UNKNOWN] = SDLK_RCTRL;

  keymap[DIKI_SHIFT_L - DIKI_UNKNOWN] = SDLK_LSHIFT;

  keymap[DIKI_SHIFT_R - DIKI_UNKNOWN] = SDLK_RSHIFT;

  keymap[DIKI_ALT_L - DIKI_UNKNOWN] = SDLK_LALT;

  keymap[DIKI_ALT_R - DIKI_UNKNOWN] = SDLK_RALT;

  keymap[DIKI_TAB - DIKI_UNKNOWN] = SDLK_TAB;

  keymap[DIKI_ENTER - DIKI_UNKNOWN] = SDLK_RETURN;

  keymap[DIKI_SPACE - DIKI_UNKNOWN] = SDLK_SPACE;

  keymap[DIKI_BACKSPACE - DIKI_UNKNOWN] = SDLK_BACKSPACE;

  keymap[DIKI_INSERT - DIKI_UNKNOWN] = SDLK_INSERT;

  keymap[DIKI_DELETE - DIKI_UNKNOWN] = SDLK_DELETE;

  keymap[DIKI_HOME - DIKI_UNKNOWN] = SDLK_HOME;

  keymap[DIKI_END - DIKI_UNKNOWN] = SDLK_END;

  keymap[DIKI_PAGE_UP - DIKI_UNKNOWN] = SDLK_PAGEUP;

  keymap[DIKI_PAGE_DOWN - DIKI_UNKNOWN] = SDLK_PAGEDOWN;

  keymap[DIKI_CAPS_LOCK - DIKI_UNKNOWN] = SDLK_CAPSLOCK;

  keymap[DIKI_NUM_LOCK - DIKI_UNKNOWN] = SDLK_NUMLOCK;

  keymap[DIKI_SCROLL_LOCK - DIKI_UNKNOWN] = SDLK_SCROLLOCK;

  keymap[DIKI_PRINT - DIKI_UNKNOWN] = SDLK_PRINT;

  keymap[DIKI_PAUSE - DIKI_UNKNOWN] = SDLK_PAUSE;

  keymap[DIKI_KP_DIV - DIKI_UNKNOWN] = SDLK_KP_DIVIDE;

  keymap[DIKI_KP_MULT - DIKI_UNKNOWN] = SDLK_KP_MULTIPLY;

  keymap[DIKI_KP_MINUS - DIKI_UNKNOWN] = SDLK_KP_MINUS;

  keymap[DIKI_KP_PLUS - DIKI_UNKNOWN] = SDLK_KP_PLUS;

  keymap[DIKI_KP_ENTER - DIKI_UNKNOWN] = SDLK_KP_ENTER;

}

static SDL_keysym *DirectFB_TranslateKey (DFBInputEvent *ev, SDL_keysym *keysym)

{

  /* Set the keysym information */

  keysym->scancode = ev->key_id;

  keysym->mod = KMOD_NONE; /* FIXME */

  keysym->unicode = (DFB_KEY_TYPE (ev->key_symbol) == DIKT_UNICODE) ? ev->key_symbol : 0;

  if (ev->key_symbol > 0 && ev->key_symbol < 128)

    keysym->sym = ev->key_symbol;

  else

    keysym->sym = keymap[ev->key_id - DIKI_UNKNOWN];

  return keysym;

}

static int DirectFB_TranslateButton (DFBInputEvent *ev)

{

  switch (ev->button)

    {

    case DIBI_LEFT:

      return 1;

    case DIBI_MIDDLE:

      return 2;

    case DIBI_RIGHT:

      return 3;

    default:

      return 0;

    }

}