view src/video/directfb/SDL_DirectFB_events.c @ 2120:2c835d58faad

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author Sam Lantinga <slouken@libsdl.org>
date Thu, 14 Jun 2007 13:21:29 +0000
parents c121d94672cb
children 0e70b4b8cf84
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/*
    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 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);
            }
            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;
    }
}

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