RetroArch/input/input_joypad_driver.h
2016-06-03 05:54:21 +02:00

231 lines
7.4 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - 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/>.
*/
#ifndef INPUT_JOYPAD_DRIVER_H__
#define INPUT_JOYPAD_DRIVER_H__
#include <stdint.h>
#include <boolean.h>
#include <retro_common_api.h>
#include <libretro.h>
RETRO_BEGIN_DECLS
typedef struct rarch_joypad_driver input_device_driver_t;
struct rarch_joypad_driver
{
bool (*init)(void *data);
bool (*query_pad)(unsigned);
void (*destroy)(void);
bool (*button)(unsigned, uint16_t);
uint64_t (*get_buttons)(unsigned);
int16_t (*axis)(unsigned, uint32_t);
void (*poll)(void);
bool (*set_rumble)(unsigned, enum retro_rumble_effect, uint16_t);
const char *(*name)(unsigned);
const char *ident;
};
/**
* joypad_driver_find_handle:
* @index : index of driver to get handle to.
*
* Returns: handle to joypad driver at index. Can be NULL
* if nothing found.
**/
const void *joypad_driver_find_handle(int index);
/**
* joypad_driver_find_ident:
* @index : index of driver to get handle to.
*
* Returns: Human-readable identifier of joypad driver at index. Can be NULL
* if nothing found.
**/
const char *joypad_driver_find_ident(int index);
/**
* config_get_joypad_driver_options:
*
* Get an enumerated list of all joypad driver names, separated by '|'.
*
* Returns: string listing of all joypad driver names, separated by '|'.
**/
const char* config_get_joypad_driver_options(void);
/**
* input_joypad_init_driver:
* @ident : identifier of driver to initialize.
*
* Initialize a joypad driver of name @ident.
*
* If ident points to NULL or a zero-length string,
* equivalent to calling input_joypad_init_first().
*
* Returns: joypad driver if found, otherwise NULL.
**/
const input_device_driver_t *input_joypad_init_driver(const char *ident, void *data);
/**
* input_joypad_init_first:
*
* Finds first suitable joypad driver and initializes.
*
* Returns: joypad driver if found, otherwise NULL.
**/
const input_device_driver_t *input_joypad_init_first(void *data);
/**
* input_conv_analog_id_to_bind_id:
* @idx : Analog key index.
* E.g.:
* - RETRO_DEVICE_INDEX_ANALOG_LEFT
* - RETRO_DEVICE_INDEX_ANALOG_RIGHT
* @ident : Analog key identifier.
* E.g.:
* - RETRO_DEVICE_ID_ANALOG_X
* - RETRO_DEVICE_ID_ANALOG_Y
* @ident_minus : Bind ID minus, will be set by function.
* @ident_plus : Bind ID plus, will be set by function.
*
* Takes as input analog key identifiers and converts
* them to corresponding bind IDs @ident_minus and @ident_plus.
**/
void input_conv_analog_id_to_bind_id(unsigned idx, unsigned ident,
unsigned *ident_minus, unsigned *ident_plus);
/**
* input_joypad_pressed:
* @drv : Input device driver handle.
* @port : User number.
* @binds : Binds of user.
* @key : Identifier of key.
*
* Checks if key (@key) was being pressed by user
* with number @port with provided keybinds (@binds).
*
* Returns: true (1) if key was pressed, otherwise
* false (0).
**/
bool input_joypad_pressed(const input_device_driver_t *driver,
unsigned port, const void *binds, unsigned key);
/**
* input_joypad_analog:
* @drv : Input device driver handle.
* @port : User number.
* @idx : Analog key index.
* E.g.:
* - RETRO_DEVICE_INDEX_ANALOG_LEFT
* - RETRO_DEVICE_INDEX_ANALOG_RIGHT
* @ident : Analog key identifier.
* E.g.:
* - RETRO_DEVICE_ID_ANALOG_X
* - RETRO_DEVICE_ID_ANALOG_Y
* @binds : Binds of user.
*
* Gets analog value of analog key identifiers @idx and @ident
* from user with number @port with provided keybinds (@binds).
*
* Returns: analog value on success, otherwise 0.
**/
int16_t input_joypad_analog(const input_device_driver_t *driver,
unsigned port, unsigned idx, unsigned ident,
const void *binds);
/**
* input_joypad_set_rumble:
* @drv : Input device driver handle.
* @port : User number.
* @effect : Rumble effect to set.
* @strength : Strength of rumble effect.
*
* Sets rumble effect @effect with strength @strength.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool input_joypad_set_rumble(const input_device_driver_t *driver,
unsigned port, enum retro_rumble_effect effect, uint16_t strength);
/**
* input_joypad_axis_raw:
* @drv : Input device driver handle.
* @port : Joystick number.
* @axis : Identifier of axis.
*
* Checks if axis (@axis) was being pressed by user
* with joystick number @port.
*
* Returns: true (1) if axis was pressed, otherwise
* false (0).
**/
int16_t input_joypad_axis_raw(const input_device_driver_t *driver,
unsigned port, unsigned axis);
/**
* input_joypad_button_raw:
* @drv : Input device driver handle.
* @port : Joystick number.
* @button : Identifier of key.
*
* Checks if key (@button) was being pressed by user
* with joystick number @port.
*
* Returns: true (1) if key was pressed, otherwise
* false (0).
**/
bool input_joypad_button_raw(const input_device_driver_t *driver,
unsigned port, unsigned button);
bool input_joypad_hat_raw(const input_device_driver_t *driver,
unsigned joypad, unsigned hat_dir, unsigned hat);
/**
* input_joypad_name:
* @drv : Input device driver handle.
* @port : Joystick number.
*
* Gets name of the joystick (@port).
*
* Returns: name of joystick #port.
**/
const char *input_joypad_name(const input_device_driver_t *driver,
unsigned port);
extern input_device_driver_t dinput_joypad;
extern input_device_driver_t linuxraw_joypad;
extern input_device_driver_t parport_joypad;
extern input_device_driver_t udev_joypad;
extern input_device_driver_t xinput_joypad;
extern input_device_driver_t sdl_joypad;
extern input_device_driver_t ps3_joypad;
extern input_device_driver_t psp_joypad;
extern input_device_driver_t ctr_joypad;
extern input_device_driver_t xdk_joypad;
extern input_device_driver_t gx_joypad;
extern input_device_driver_t hid_joypad;
extern input_device_driver_t android_joypad;
extern input_device_driver_t qnx_joypad;
extern input_device_driver_t null_joypad;
extern input_device_driver_t mfi_joypad;
RETRO_END_DECLS
#endif