RetroArch/input/drivers/dos_input.c
2017-01-24 00:55:58 -05:00

138 lines
3.0 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include "../input_driver.h"
#include "../input_joypad_driver.h"
typedef struct dos_input
{
const input_device_driver_t *joypad;
unsigned char normal_keys[256];
unsigned char extended_keys[256];
} dos_input_t;
static void dos_input_poll(void *data)
{
dos_input_t *dos = (dos_input_t*)data;
if (dos->joypad)
dos->joypad->poll();
}
static int16_t dos_input_state(void *data,
rarch_joypad_info_t joypad_info,
const struct retro_keybind **binds,
unsigned port, unsigned device,
unsigned idx, unsigned id)
{
dos_input_t *dos = (dos_input_t*)data;
if (port > 0)
return 0;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return input_joypad_pressed(dos->joypad, joypad_info, port, binds[port], id);
}
return 0;
}
static void dos_input_free_input(void *data)
{
dos_input_t *dos = (dos_input_t*)data;
if (dos && dos->joypad)
dos->joypad->destroy();
if (data)
free(data);
}
static void* dos_input_init(const char *joypad_driver)
{
dos_input_t *dos = (dos_input_t*)calloc(1, sizeof(*dos));
if (!dos)
return NULL;
dos->joypad = input_joypad_init_driver(joypad_driver, dos);
return dos;
}
static bool dos_input_meta_key_pressed(void *data, int key)
{
return false;
}
static uint64_t dos_input_get_capabilities(void *data)
{
uint64_t caps = 0;
caps |= UINT64_C(1) << RETRO_DEVICE_JOYPAD;
caps |= UINT64_C(1) << RETRO_DEVICE_KEYBOARD;
return caps;
}
static const input_device_driver_t *dos_input_get_joypad_driver(void *data)
{
dos_input_t *dos = (dos_input_t*)data;
if (dos)
return dos->joypad;
return NULL;
}
static void dos_input_grab_mouse(void *data, bool state)
{
(void)data;
(void)state;
}
static bool dos_input_set_rumble(void *data, unsigned port,
enum retro_rumble_effect effect, uint16_t strength)
{
(void)data;
(void)port;
(void)effect;
(void)strength;
return false;
}
input_driver_t input_dos = {
dos_input_init,
dos_input_poll,
dos_input_state,
dos_input_meta_key_pressed,
dos_input_free_input,
NULL,
NULL,
dos_input_get_capabilities,
"dos",
dos_input_grab_mouse,
NULL,
dos_input_set_rumble,
dos_input_get_joypad_driver,
NULL,
NULL,
NULL
};