RetroArch/input/drivers/dos_input.c
2023-02-19 06:30:14 +01:00

136 lines
3.6 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
*
* 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 <stdint.h>
#include <stdlib.h>
#include <retro_miscellaneous.h>
#include "../input_driver.h"
#include "../input_keymaps.h"
#include "../drivers_keyboard/keyboard_event_dos.h"
#define MAX_KEYS LAST_KEYCODE + 1
/* TODO/FIXME -
* fix game focus toggle */
/* First ports are used to keeping track of gamepad states. Last port is used for keyboard state */
/* TODO/FIXME - static globals */
static uint16_t dos_key_state[DEFAULT_MAX_PADS+1][MAX_KEYS];
uint16_t *dos_keyboard_state_get(unsigned port)
{
return dos_key_state[port];
}
static void dos_keyboard_free(void)
{
unsigned i, j;
for (i = 0; i < DEFAULT_MAX_PADS; i++)
for (j = 0; j < MAX_KEYS; j++)
dos_key_state[i][j] = 0;
}
static int16_t dos_input_state(
void *data,
const input_device_driver_t *joypad,
const input_device_driver_t *sec_joypad,
rarch_joypad_info_t *joypad_info,
const retro_keybind_set *binds,
bool keyboard_mapping_blocked,
unsigned port,
unsigned device,
unsigned idx,
unsigned id)
{
if (port <= 0)
{
switch (device)
{
case RETRO_DEVICE_JOYPAD:
if (id == RETRO_DEVICE_ID_JOYPAD_MASK)
{
unsigned i;
int16_t ret = 0;
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
{
if (binds[port][i].valid)
{
if (id < RARCH_BIND_LIST_END)
if (dos_key_state[DOS_KEYBOARD_PORT]
[rarch_keysym_lut[binds[port][i].key]])
ret |= (1 << i);
}
}
return ret;
}
if (binds[port][id].valid)
{
if (
(id < RARCH_BIND_LIST_END
&& dos_key_state[DOS_KEYBOARD_PORT]
[rarch_keysym_lut[binds[port][id].key]])
)
return 1;
}
break;
case RETRO_DEVICE_KEYBOARD:
if (id < RARCH_BIND_LIST_END)
return (dos_key_state[DOS_KEYBOARD_PORT]
[rarch_keysym_lut[binds[port][id].key]]);
break;
}
}
return 0;
}
static void dos_input_free_input(void *data)
{
dos_keyboard_free();
}
static void* dos_input_init(const char *joypad_driver)
{
input_keymaps_init_keyboard_lut(rarch_key_map_dos);
return (void*)-1;
}
static uint64_t dos_input_get_capabilities(void *data)
{
return UINT64_C(1) << RETRO_DEVICE_JOYPAD;
}
input_driver_t input_dos = {
dos_input_init,
NULL, /* poll */
dos_input_state,
dos_input_free_input,
NULL,
NULL,
dos_input_get_capabilities,
"dos",
NULL, /* grab_mouse */
NULL,
NULL
};