/*
    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_config.h"

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

#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <fcntl.h>
#include <termios.h>

#include <ggi/keyboard.h>

#include "SDL_ggikeys.h"

#include "SDL.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
#include "SDL_ggivideo.h"
#include "SDL_ggievents_c.h"

/* The translation tables from a GGI keycode to a SDL keysym */
static SDLKey keymap[128];
static SDL_keysym *GGI_TranslateKey(ggi_event * ev, SDL_keysym * keysym);

static int posted = 0;

void
GGI_PumpEvents(_THIS)
{
    struct timeval *tvp, tv = { 0, 0 };
    ggi_event ev;

    tvp = &tv;

/*	ggiFlush(VIS); */

    while (ggiEventPoll(VIS, emAll, tvp))
/*	while (ggiEventPoll(VIS, (emKeyboard | emPointer | emCommand), tvp)) */
    {
        int queueevent_mouse = 0, queueevent_kbd = 0;
        static int buttons = 0;
        static int mouse_x = 0, mouse_y = 0, mouse_z = 0;
        int x = 0, y = 0, z = 0, rx = 0, ry = 0, rz = 0;
        uint32 sym;
        int pressed_mouse, pressed_kbd;
        SDL_keysym keysym;

        posted = 0;

        /* FIXME: We do not actually want all events, only
         * mouse and keyboard events.  Having to handle all
         * events will slow things down.  */

        ggiEventRead(VIS, &ev, emAll);
/*		ggiEventRead(VIS, &ev, (emKeyboard | emPointer | emCommand)); */

        switch (ev.any.type) {
        case evPtrRelative:
            x = ev.pmove.x;
            y = ev.pmove.y;
            z = ev.pmove.wheel;
            posted += SDL_PrivateMouseMotion(0, 1, x, y);
            break;
        case evPtrAbsolute:
            if (mouse_x != ev.pmove.x || mouse_y != ev.pmove.y
                || mouse_z != ev.pmove.wheel) {
                x = ev.pmove.x - mouse_x;
                y = ev.pmove.y - mouse_y;
                z = ev.pmove.wheel - mouse_z;
                mouse_x = ev.pmove.x;
                mouse_y = ev.pmove.y;
                mouse_z = ev.pmove.wheel;
                posted += SDL_PrivateMouseMotion(0, 1, x, y);
            }
            break;
        case evPtrButtonPress:
            posted +=
                SDL_PrivateMouseButton(SDL_PRESSED, ev.pbutton.button, 0, 0);
            break;
        case evPtrButtonRelease:
            posted +=
                SDL_PrivateMouseButton(SDL_RELEASED, ev.pbutton.button, 0, 0);
            break;
        case evKeyPress:
        case evKeyRepeat:
            posted +=
                SDL_PrivateKeyboard(SDL_PRESSED,
                                    GGI_TranslateKey(&ev, &keysym));
            break;
        case evKeyRelease:
            posted +=
                SDL_PrivateKeyboard(SDL_RELEASED,
                                    GGI_TranslateKey(&ev, &keysym));
            break;
        case evCommand:
            fprintf(stderr, "Command event %x recieved\n", ev.cmd.code);
            break;
        default:
            fprintf(stderr, "Unhandled event type %d\n", ev.any.type);
            break;
        }
    }

}

void
GGI_InitOSKeymap(_THIS)
{
    int i;

    /* Initialize the GGI key translation table */
    for (i = 0; i < SDL_arraysize(keymap); ++i)
        keymap[i] = SDLK_UNKNOWN;

    keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
    keymap[SCANCODE_1] = SDLK_1;
    keymap[SCANCODE_2] = SDLK_2;
    keymap[SCANCODE_3] = SDLK_3;
    keymap[SCANCODE_4] = SDLK_4;
    keymap[SCANCODE_5] = SDLK_5;
    keymap[SCANCODE_6] = SDLK_6;
    keymap[SCANCODE_7] = SDLK_7;
    keymap[SCANCODE_8] = SDLK_8;
    keymap[SCANCODE_9] = SDLK_9;
    keymap[SCANCODE_0] = SDLK_0;
    keymap[SCANCODE_MINUS] = SDLK_MINUS;
    keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
    keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
    keymap[SCANCODE_TAB] = SDLK_TAB;
    keymap[SCANCODE_Q] = SDLK_q;
    keymap[SCANCODE_W] = SDLK_w;
    keymap[SCANCODE_E] = SDLK_e;
    keymap[SCANCODE_R] = SDLK_r;
    keymap[SCANCODE_T] = SDLK_t;
    keymap[SCANCODE_Y] = SDLK_y;
    keymap[SCANCODE_U] = SDLK_u;
    keymap[SCANCODE_I] = SDLK_i;
    keymap[SCANCODE_O] = SDLK_o;
    keymap[SCANCODE_P] = SDLK_p;
    keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
    keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
    keymap[SCANCODE_ENTER] = SDLK_RETURN;
    keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
    keymap[SCANCODE_A] = SDLK_a;
    keymap[SCANCODE_S] = SDLK_s;
    keymap[SCANCODE_D] = SDLK_d;
    keymap[SCANCODE_F] = SDLK_f;
    keymap[SCANCODE_G] = SDLK_g;
    keymap[SCANCODE_H] = SDLK_h;
    keymap[SCANCODE_J] = SDLK_j;
    keymap[SCANCODE_K] = SDLK_k;
    keymap[SCANCODE_L] = SDLK_l;
    keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
    keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
    keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
    keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
    keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
    keymap[SCANCODE_Z] = SDLK_z;
    keymap[SCANCODE_X] = SDLK_x;
    keymap[SCANCODE_C] = SDLK_c;
    keymap[SCANCODE_V] = SDLK_v;
    keymap[SCANCODE_B] = SDLK_b;
    keymap[SCANCODE_N] = SDLK_n;
    keymap[SCANCODE_M] = SDLK_m;
    keymap[SCANCODE_COMMA] = SDLK_COMMA;
    keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
    keymap[SCANCODE_SLASH] = SDLK_SLASH;
    keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
    keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
    keymap[SCANCODE_LEFTALT] = SDLK_LALT;
    keymap[SCANCODE_SPACE] = SDLK_SPACE;
    keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
    keymap[SCANCODE_F1] = SDLK_F1;
    keymap[SCANCODE_F2] = SDLK_F2;
    keymap[SCANCODE_F3] = SDLK_F3;
    keymap[SCANCODE_F4] = SDLK_F4;
    keymap[SCANCODE_F5] = SDLK_F5;
    keymap[SCANCODE_F6] = SDLK_F6;
    keymap[SCANCODE_F7] = SDLK_F7;
    keymap[SCANCODE_F8] = SDLK_F8;
    keymap[SCANCODE_F9] = SDLK_F9;
    keymap[SCANCODE_F10] = SDLK_F10;
    keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
    keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
    keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
    keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
    keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
    keymap[SCANCODE_CURSORUP] = SDLK_KP8;
    keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
    keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
    keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
    keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
    keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
    keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
    keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
    keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
    keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
    keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
    keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
    keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
    keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
    keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
    keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
    keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
    keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
    keymap[SCANCODE_LESS] = SDLK_LESS;
    keymap[SCANCODE_F11] = SDLK_F11;
    keymap[SCANCODE_F12] = SDLK_F12;
    keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
    keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
    keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
    keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
    keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
    keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
    keymap[SCANCODE_BREAK] = SDLK_BREAK;
    keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
    keymap[SCANCODE_HOME] = SDLK_HOME;
    keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
    keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
    keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
    keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
    keymap[SCANCODE_END] = SDLK_END;
    keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
    keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
    keymap[SCANCODE_INSERT] = SDLK_INSERT;
    keymap[SCANCODE_REMOVE] = SDLK_DELETE;
    keymap[119] = SDLK_PAUSE;
    keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
    keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
    keymap[127] = SDLK_MENU;
}



static SDL_keysym *
GGI_TranslateKey(gii_event * ev, SDL_keysym * keysym)
{
    /* Set the keysym information */
    keysym->scancode = ev->key.button;
    keysym->sym = keymap[ev->key.button];
    keysym->mod = KMOD_NONE;

    /* If UNICODE is on, get the UNICODE value for the key */
    keysym->unicode = 0;
    if (SDL_TranslateUNICODE) {
        keysym->unicode = GII_UNICODE(ev->key.sym);
    }

    return keysym;
}

/* vi: set ts=4 sw=4 expandtab: */