RetroArch/input/drivers_keyboard/keyboard_event_udev.c
2017-01-22 13:40:32 +01:00

95 lines
2.5 KiB
C

/* RetroArch - A frontend for libretro.
* 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 <retro_miscellaneous.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include "../input_keymaps.h"
#include "../input_keyboard.h"
#include "../../driver.h"
#include "keyboard_event_udev.h"
#define UDEV_MAX_KEYS (KEY_MAX + 7) / 8
static uint8_t udev_key_state[UDEV_MAX_KEYS];
#ifdef HAVE_XKBCOMMON
void free_xkb(void);
int handle_xkb(int code, int value);
#endif
void udev_handle_keyboard(void *data,
const struct input_event *event, udev_input_device_t *dev)
{
bool key_handled = false;
switch (event->type)
{
case EV_KEY:
if (event->value)
BIT_SET(udev_key_state, event->code);
else
BIT_CLEAR(udev_key_state, event->code);
#ifdef HAVE_XKBCOMMON
if (handle_xkb(event->code, event->value) == 0)
return;
#endif
input_keyboard_event(event->value,
input_keymaps_translate_keysym_to_rk(event->code),
0, 0, RETRO_DEVICE_KEYBOARD);
break;
default:
break;
}
}
bool udev_input_is_pressed(const struct retro_keybind *binds, unsigned id)
{
if (id < RARCH_BIND_LIST_END)
{
const struct retro_keybind *bind = &binds[id];
unsigned bit = input_keymaps_translate_rk_to_keysym(binds[id].key);
return BIT_GET(udev_key_state, bit);
}
return false;
}
bool udev_input_state_kb(void *data, const struct retro_keybind **binds,
unsigned port, unsigned device, unsigned idx, unsigned id)
{
unsigned bit = input_keymaps_translate_rk_to_keysym((enum retro_key)id);
return id < RETROK_LAST && BIT_GET(udev_key_state, bit);
}
void udev_input_kb_free(void)
{
unsigned i;
#ifdef HAVE_XKBCOMMON
free_xkb();
#endif
for (i = 0; i < UDEV_MAX_KEYS; i++)
udev_key_state[i] = 0;
}