input_driver.h File Reference

#include <stdint.h>
#include <stdlib.h>
#include <stddef.h>
#include <sys/types.h>
#include "input_types.h"
#include <boolean.h>
#include <retro_common_api.h>
#include <retro_inline.h>
#include <libretro.h>
#include <retro_miscellaneous.h>
#include "input_defines.h"
#include "../msg_hash.h"
#include "include/hid_types.h"
#include "include/hid_driver.h"
#include "include/gamepad.h"

Include dependency graph for input_driver.h:

Go to the source code of this file.

Classes
struct	retro_keybind
struct	rarch_joypad_info
struct	input_driver
struct	rarch_joypad_driver
struct	input_keyboard_ctx_wait

Macros
#define	inherit_joyaxis(binds)   (((binds)[x_plus].joyaxis == (binds)[x_minus].joyaxis) || ( (binds)[y_plus].joyaxis == (binds)[y_minus].joyaxis))
#define	input_pop_analog_dpad(binds)
#define	input_push_analog_dpad(binds, mode)

Typedefs
typedef void(*	input_keyboard_line_complete_t) (void *userdata, const char *line)
typedef bool(*	input_keyboard_press_t) (void *userdata, unsigned code)

Enumerations
enum	input_device_type { INPUT_DEVICE_TYPE_NONE = 0, INPUT_DEVICE_TYPE_KEYBOARD, INPUT_DEVICE_TYPE_JOYPAD }
enum	input_toggle_type {   INPUT_TOGGLE_NONE = 0, INPUT_TOGGLE_DOWN_Y_L_R, INPUT_TOGGLE_L3_R3, INPUT_TOGGLE_L1_R1_START_SELECT,   INPUT_TOGGLE_START_SELECT, INPUT_TOGGLE_L3_R, INPUT_TOGGLE_L_R, INPUT_TOGGLE_HOLD_START,   INPUT_TOGGLE_LAST }
enum	input_action { INPUT_ACTION_NONE = 0, INPUT_ACTION_AXIS_THRESHOLD, INPUT_ACTION_MAX_USERS }
enum	rarch_input_keyboard_ctl_state {   RARCH_INPUT_KEYBOARD_CTL_NONE = 0, RARCH_INPUT_KEYBOARD_CTL_SET_LINEFEED_ENABLED, RARCH_INPUT_KEYBOARD_CTL_UNSET_LINEFEED_ENABLED, RARCH_INPUT_KEYBOARD_CTL_IS_LINEFEED_ENABLED,   RARCH_INPUT_KEYBOARD_CTL_LINE_FREE, RARCH_INPUT_KEYBOARD_CTL_START_WAIT_KEYS, RARCH_INPUT_KEYBOARD_CTL_CANCEL_WAIT_KEYS }

Functions
const void *	input_driver_find_handle (int index)
const char *	input_driver_find_ident (int index)
const char *	config_get_input_driver_options (void)
bool	input_driver_set_rumble_state (unsigned port, enum retro_rumble_effect effect, uint16_t strength)
uint64_t	input_driver_get_capabilities (void)
const input_device_driver_t *	input_driver_get_joypad_driver (void)
const input_device_driver_t *	input_driver_get_sec_joypad_driver (void)
void	input_driver_keyboard_mapping_set_block (bool value)
void	input_driver_set (const input_driver_t **input, void **input_data)
bool	input_sensor_set_state (unsigned port, enum retro_sensor_action action, unsigned rate)
float	input_sensor_get_input (unsigned port, unsigned id)
void	input_poll (void)
int16_t	input_state (unsigned port, unsigned device, unsigned idx, unsigned id)
void	input_keys_pressed (void *data, input_bits_t *new_state)
void *	input_driver_get_data (void)
void	input_get_state_for_port (void *data, unsigned port, input_bits_t *p_new_state)
const input_driver_t *	input_get_ptr (void)
void *	input_get_data (void)
const input_driver_t **	input_get_double_ptr (void)
void **	input_driver_get_data_ptr (void)
bool	input_driver_has_capabilities (void)
bool	input_driver_init (void)
void	input_driver_deinit (void)
void	input_driver_destroy_data (void)
void	input_driver_destroy (void)
bool	input_driver_grab_stdin (void)
bool	input_driver_keyboard_mapping_is_blocked (void)
bool	input_driver_find_driver (void)
void	input_driver_set_flushing_input (void)
void	input_driver_unset_hotkey_block (void)
void	input_driver_set_hotkey_block (void)
void	input_driver_set_libretro_input_blocked (void)
void	input_driver_unset_libretro_input_blocked (void)
bool	input_driver_is_libretro_input_blocked (void)
void	input_driver_set_nonblock_state (void)
void	input_driver_unset_nonblock_state (void)
bool	input_driver_is_nonblock_state (void)
void	input_driver_set_own_driver (void)
void	input_driver_unset_own_driver (void)
bool	input_driver_owns_driver (void)
void	input_driver_deinit_command (void)
bool	input_driver_init_command (void)
void	input_driver_deinit_remote (void)
bool	input_driver_init_remote (void)
void	input_driver_deinit_mapper (void)
bool	input_driver_init_mapper (void)
bool	input_driver_grab_mouse (void)
bool	input_driver_ungrab_mouse (void)
int16_t	input_driver_input_state (rarch_joypad_info_t joypad_info, const struct retro_keybind **retro_keybinds, unsigned port, unsigned device, unsigned index, unsigned id)
float *	input_driver_get_float (enum input_action action)
unsigned *	input_driver_get_uint (enum input_action action)
bool	input_driver_is_data_ptr_same (void *data)
const void *	joypad_driver_find_handle (int index)
const char *	joypad_driver_find_ident (int index)
const char *	config_get_joypad_driver_options (void)
const input_device_driver_t *	input_joypad_init_driver (const char *ident, void *data)
const input_device_driver_t *	input_joypad_init_first (void *data)
void	input_conv_analog_id_to_bind_id (unsigned idx, unsigned ident, unsigned *ident_minus, unsigned *ident_plus)
static INLINE bool	input_joypad_pressed (const input_device_driver_t *drv, rarch_joypad_info_t joypad_info, unsigned port, const struct retro_keybind *binds, unsigned key)
int16_t	input_joypad_analog (const input_device_driver_t *driver, rarch_joypad_info_t joypad_info, unsigned port, unsigned idx, unsigned ident, const struct retro_keybind *binds)
bool	input_joypad_set_rumble (const input_device_driver_t *driver, unsigned port, enum retro_rumble_effect effect, uint16_t strength)
int16_t	input_joypad_axis_raw (const input_device_driver_t *driver, unsigned port, unsigned axis)
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)
void	input_pad_connect (unsigned port, input_device_driver_t *driver)
bool	input_mouse_button_raw (unsigned port, unsigned button)
const char *	input_joypad_name (const input_device_driver_t *driver, unsigned port)
bool	input_config_get_bind_idx (unsigned port, unsigned *joy_idx_real)

Macro Definition Documentation

inherit_joyaxis

#define inherit_joyaxis

(

binds

)

(((binds)[x_plus].joyaxis == (binds)[x_minus].joyaxis) || ( (binds)[y_plus].joyaxis == (binds)[y_minus].joyaxis))

input_pop_analog_dpad

#define input_pop_analog_dpad

(

binds

)

Value:

{ \
   unsigned j; \
   for (j = RETRO_DEVICE_ID_JOYPAD_UP; j <= RETRO_DEVICE_ID_JOYPAD_RIGHT; j++) \
      (binds)[j].joyaxis = (binds)[j].orig_joyaxis; \
}

input_pop_analog_dpad: : Binds to modify.

Restores binds temporarily overridden by input_push_analog_dpad().

input_push_analog_dpad

#define input_push_analog_dpad	(		binds,
			mode
	)

Value:

{ \
   unsigned k; \
   unsigned x_plus      =  RARCH_ANALOG_RIGHT_X_PLUS; \
   unsigned y_plus      =  RARCH_ANALOG_RIGHT_Y_PLUS; \
   unsigned x_minus     =  RARCH_ANALOG_RIGHT_X_MINUS; \
   unsigned y_minus     =  RARCH_ANALOG_RIGHT_Y_MINUS; \
   if ((mode) == ANALOG_DPAD_LSTICK) \
   { \
      x_plus            =  RARCH_ANALOG_LEFT_X_PLUS; \
      y_plus            =  RARCH_ANALOG_LEFT_Y_PLUS; \
      x_minus           =  RARCH_ANALOG_LEFT_X_MINUS; \
      y_minus           =  RARCH_ANALOG_LEFT_Y_MINUS; \
   } \
   for (k = RETRO_DEVICE_ID_JOYPAD_UP; k <= RETRO_DEVICE_ID_JOYPAD_RIGHT; k++) \
      (binds)[k].orig_joyaxis = (binds)[k].joyaxis; \
   if (!inherit_joyaxis(binds)) \
   { \
      unsigned j = x_plus + 3; \
      /* Inherit joyaxis from analogs. */ \
      for (k = RETRO_DEVICE_ID_JOYPAD_UP; k <= RETRO_DEVICE_ID_JOYPAD_RIGHT; k++) \
         (binds)[k].joyaxis = (binds)[j--].joyaxis; \
   } \
}

input_push_analog_dpad: : Binds to modify. : Which analog stick to bind D-Pad to. E.g: ANALOG_DPAD_LSTICK ANALOG_DPAD_RSTICK

Push analog to D-Pad mappings to binds.

Typedef Documentation

input_keyboard_line_complete_t

typedef void(* input_keyboard_line_complete_t) (void *userdata, const char *line)

Line complete callback. Calls back after return is pressed with the completed line. Line can be NULL.

input_keyboard_press_t

typedef bool(* input_keyboard_press_t) (void *userdata, unsigned code)

Enumeration Type Documentation

input_action

enum input_action

Enumerator
INPUT_ACTION_NONE
INPUT_ACTION_AXIS_THRESHOLD
INPUT_ACTION_MAX_USERS

input_device_type

enum input_device_type

Enumerator
INPUT_DEVICE_TYPE_NONE
INPUT_DEVICE_TYPE_KEYBOARD
INPUT_DEVICE_TYPE_JOYPAD

input_toggle_type

enum input_toggle_type

Enumerator
INPUT_TOGGLE_NONE
INPUT_TOGGLE_DOWN_Y_L_R
INPUT_TOGGLE_L3_R3
INPUT_TOGGLE_L1_R1_START_SELECT
INPUT_TOGGLE_START_SELECT
INPUT_TOGGLE_L3_R
INPUT_TOGGLE_L_R
INPUT_TOGGLE_HOLD_START
INPUT_TOGGLE_LAST

rarch_input_keyboard_ctl_state

enum rarch_input_keyboard_ctl_state

Enumerator
RARCH_INPUT_KEYBOARD_CTL_NONE
RARCH_INPUT_KEYBOARD_CTL_SET_LINEFEED_ENABLED
RARCH_INPUT_KEYBOARD_CTL_UNSET_LINEFEED_ENABLED
RARCH_INPUT_KEYBOARD_CTL_IS_LINEFEED_ENABLED
RARCH_INPUT_KEYBOARD_CTL_LINE_FREE
RARCH_INPUT_KEYBOARD_CTL_START_WAIT_KEYS
RARCH_INPUT_KEYBOARD_CTL_CANCEL_WAIT_KEYS

Function Documentation

config_get_input_driver_options()

const char* config_get_input_driver_options

(

void

)

config_get_input_driver_options:

Get an enumerated list of all input driver names, separated by '|'.

Returns: string listing of all input driver names, separated by '|'.

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config_get_joypad_driver_options()

const char* config_get_joypad_driver_options

(

void

)

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 '|'.

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input_config_get_bind_idx()

bool input_config_get_bind_idx	(	unsigned	port,
		unsigned *	joy_idx_real
	)

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input_conv_analog_id_to_bind_id()

void input_conv_analog_id_to_bind_id	(	unsigned	idx,
		unsigned	ident,
		unsigned *	ident_minus,
		unsigned *	ident_plus
	)

input_conv_analog_id_to_bind_id: : Analog key index. E.g.:

• RETRO_DEVICE_INDEX_ANALOG_LEFT
• RETRO_DEVICE_INDEX_ANALOG_RIGHT : Analog key identifier. E.g.:
• RETRO_DEVICE_ID_ANALOG_X
• RETRO_DEVICE_ID_ANALOG_Y : Bind ID minus, will be set by function. : Bind ID plus, will be set by function.

Takes as input analog key identifiers and converts them to corresponding bind IDs and .

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input_driver_deinit()

void input_driver_deinit

(

void

)

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input_driver_deinit_command()

void input_driver_deinit_command

(

void

)

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input_driver_deinit_mapper()

void input_driver_deinit_mapper

(

void

)

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input_driver_deinit_remote()

void input_driver_deinit_remote

(

void

)

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input_driver_destroy()

void input_driver_destroy

(

void

)

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input_driver_destroy_data()

void input_driver_destroy_data

(

void

)

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input_driver_find_driver()

bool input_driver_find_driver

(

void

)

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input_driver_find_handle()

const void* input_driver_find_handle

(

int

idx

)

input_driver_find_handle: : index of driver to get handle to.

Returns: handle to input driver at index. Can be NULL if nothing found.

input_driver_find_handle: : index of driver to get handle to.

Returns: handle to input driver at index. Can be NULL if nothing found.

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input_driver_find_ident()

const char* input_driver_find_ident

(

int

idx

)

input_driver_find_ident: : index of driver to get handle to.

Returns: Human-readable identifier of input driver at index. Can be NULL if nothing found.

input_driver_find_ident: : index of driver to get handle to.

Returns: Human-readable identifier of input driver at index. Can be NULL if nothing found.

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input_driver_get_capabilities()

uint64_t input_driver_get_capabilities

(

void

)

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input_driver_get_data()

void* input_driver_get_data

(

void

)

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input_driver_get_data_ptr()

void** input_driver_get_data_ptr

(

void

)

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input_driver_get_float()

float* input_driver_get_float

(

enum input_action

action

)

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input_driver_get_joypad_driver()

const input_device_driver_t* input_driver_get_joypad_driver

(

void

)

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input_driver_get_sec_joypad_driver()

const input_device_driver_t* input_driver_get_sec_joypad_driver

(

void

)

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input_driver_get_uint()

unsigned* input_driver_get_uint

(

enum input_action

action

)

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input_driver_grab_mouse()

bool input_driver_grab_mouse

(

void

)

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input_driver_grab_stdin()

bool input_driver_grab_stdin

(

void

)

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input_driver_has_capabilities()

bool input_driver_has_capabilities

(

void

)

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input_driver_init()

bool input_driver_init

(

void

)

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input_driver_init_command()

bool input_driver_init_command

(

void

)

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input_driver_init_mapper()

bool input_driver_init_mapper

(

void

)

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input_driver_init_remote()

bool input_driver_init_remote

(

void

)

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input_driver_input_state()

int16_t input_driver_input_state	(	rarch_joypad_info_t	joypad_info,
		const struct retro_keybind **	retro_keybinds,
		unsigned	port,
		unsigned	device,
		unsigned	index,
		unsigned	id
	)

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input_driver_is_data_ptr_same()

bool input_driver_is_data_ptr_same

(

void *

data

)

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input_driver_is_libretro_input_blocked()

bool input_driver_is_libretro_input_blocked

(

void

)

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input_driver_is_nonblock_state()

bool input_driver_is_nonblock_state

(

void

)

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input_driver_keyboard_mapping_is_blocked()

bool input_driver_keyboard_mapping_is_blocked

(

void

)

input_driver_keyboard_mapping_set_block()

void input_driver_keyboard_mapping_set_block

(

bool

value

)

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input_driver_owns_driver()

bool input_driver_owns_driver

(

void

)

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input_driver_set()

void input_driver_set	(	const input_driver_t **	input,
		void **	input_data
	)

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input_driver_set_flushing_input()

void input_driver_set_flushing_input

(

void

)

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input_driver_set_hotkey_block()

void input_driver_set_hotkey_block

(

void

)

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input_driver_set_libretro_input_blocked()

void input_driver_set_libretro_input_blocked

(

void

)

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input_driver_set_nonblock_state()

void input_driver_set_nonblock_state

(

void

)

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input_driver_set_own_driver()

void input_driver_set_own_driver

(

void

)

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input_driver_set_rumble_state()

bool input_driver_set_rumble_state	(	unsigned	port,
		enum retro_rumble_effect	effect,
		uint16_t	strength
	)

input_driver_set_rumble_state: : User number. : Rumble effect. : Strength of rumble effect.

Sets the rumble state. Used by RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE.

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input_driver_ungrab_mouse()

bool input_driver_ungrab_mouse

(

void

)

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input_driver_unset_hotkey_block()

void input_driver_unset_hotkey_block

(

void

)

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input_driver_unset_libretro_input_blocked()

void input_driver_unset_libretro_input_blocked

(

void

)

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input_driver_unset_nonblock_state()

void input_driver_unset_nonblock_state

(

void

)

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input_driver_unset_own_driver()

void input_driver_unset_own_driver

(

void

)

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input_get_data()

void* input_get_data

(

void

)

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input_get_double_ptr()

const input_driver_t** input_get_double_ptr

(

void

)

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input_get_ptr()

const input_driver_t* input_get_ptr

(

void

)

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input_get_state_for_port()

void input_get_state_for_port	(	void *	data,
		unsigned	port,
		input_bits_t *	p_new_state
	)

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input_joypad_analog()

int16_t input_joypad_analog	(	const input_device_driver_t *	drv,
		rarch_joypad_info_t	joypad_info,
		unsigned	port,
		unsigned	idx,
		unsigned	ident,
		const struct retro_keybind *	binds
	)

input_joypad_analog: : Input device driver handle. : User number. : Analog key index. E.g.:

• RETRO_DEVICE_INDEX_ANALOG_LEFT
• RETRO_DEVICE_INDEX_ANALOG_RIGHT
• RETRO_DEVICE_INDEX_ANALOG_BUTTON : Analog key identifier. E.g.:
• RETRO_DEVICE_ID_ANALOG_X
• RETRO_DEVICE_ID_ANALOG_Y : Binds of user.

Gets analog value of analog key identifiers and from user with number with provided keybinds ().

Returns: analog value on success, otherwise 0.

input_joypad_analog: : Input device driver handle. : User number. : Analog key index. E.g.:

• RETRO_DEVICE_INDEX_ANALOG_LEFT
• RETRO_DEVICE_INDEX_ANALOG_RIGHT : Analog key identifier. E.g.:
• RETRO_DEVICE_ID_ANALOG_X
• RETRO_DEVICE_ID_ANALOG_Y : Binds of user.

Gets analog value of analog key identifiers and from user with number with provided keybinds ().

Returns: analog value on success, otherwise 0.

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input_joypad_axis_raw()

int16_t input_joypad_axis_raw	(	const input_device_driver_t *	drv,
		unsigned	port,
		unsigned	axis
	)

input_joypad_axis_raw: : Input device driver handle. : Joystick number. : Identifier of axis.

Checks if axis () was being pressed by user with joystick number .

Returns: true (1) if axis was pressed, otherwise false (0).

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input_joypad_button_raw()

bool input_joypad_button_raw	(	const input_device_driver_t *	drv,
		unsigned	port,
		unsigned	button
	)

input_joypad_button_raw: : Input device driver handle. : Joystick number. : Identifier of key.

Checks if key () was being pressed by user with joystick number .

Returns: true (1) if key was pressed, otherwise false (0).

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input_joypad_hat_raw()

bool input_joypad_hat_raw	(	const input_device_driver_t *	driver,
		unsigned	joypad,
		unsigned	hat_dir,
		unsigned	hat
	)

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input_joypad_init_driver()

const input_device_driver_t* input_joypad_init_driver	(	const char *	ident,
		void *	data
	)

input_joypad_init_driver: : identifier of driver to initialize.

Initialize a joypad driver of name .

If ident points to NULL or a zero-length string, equivalent to calling input_joypad_init_first().

Returns: joypad driver if found, otherwise NULL.

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input_joypad_init_first()

const input_device_driver_t* input_joypad_init_first

(

void *

data

)

input_joypad_init_first:

Finds first suitable joypad driver and initializes.

Returns: joypad driver if found, otherwise NULL.

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input_joypad_name()

const char* input_joypad_name	(	const input_device_driver_t *	drv,
		unsigned	port
	)

input_joypad_name: : Input device driver handle. : Joystick number.

Gets name of the joystick ().

Returns: name of joystick port.

input_joypad_pressed()

static INLINE bool input_joypad_pressed ( const input_device_driver_t *  drv, rarch_joypad_info_t  joypad_info, unsigned  port, const struct retro_keybind *  binds, unsigned  key  )

static

input_joypad_pressed: : Input device driver handle. : User number. : Binds of user. : Identifier of key.

Checks if key () was being pressed by user with number with provided keybinds ().

Returns: true (1) if key was pressed, otherwise false (0).

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input_joypad_set_rumble()

bool input_joypad_set_rumble	(	const input_device_driver_t *	drv,
		unsigned	port,
		enum retro_rumble_effect	effect,
		uint16_t	strength
	)

input_joypad_set_rumble: : Input device driver handle. : User number. : Rumble effect to set. : Strength of rumble effect.

Sets rumble effect with strength .

Returns: true (1) if successful, otherwise false (0).

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input_keys_pressed()

void input_keys_pressed	(	void *	data,
		input_bits_t *	p_new_state
	)

input_keys_pressed:

Grab an input sample for this frame.

Returns: Input sample containing a mask of all pressed keys.

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input_mouse_button_raw()

bool input_mouse_button_raw	(	unsigned	port,
		unsigned	id
	)

input_mouse_button_raw: : Mouse number. : Identifier of key (libretro mouse constant).

Checks if key () was being pressed by user with mouse number .

Returns: true (1) if key was pressed, otherwise false (0).

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input_pad_connect()

void input_pad_connect	(	unsigned	port,
		input_device_driver_t *	driver
	)

input_pad_connect: : Joystick number. : handle for joypad driver handling joystick's input

Registers a newly connected pad with RetroArch.

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input_poll()

void input_poll

(

void

)

input_poll:

Input polling callback function.

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input_sensor_get_input()

float input_sensor_get_input	(	unsigned	port,
		unsigned	id
	)

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input_sensor_set_state()

bool input_sensor_set_state	(	unsigned	port,
		enum retro_sensor_action	action,
		unsigned	rate
	)

input_sensor_set_state: : User number. : Sensor action. : Sensor rate update.

Sets the sensor state. Used by RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE.

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input_state()

int16_t input_state	(	unsigned	port,
		unsigned	device,
		unsigned	idx,
		unsigned	id
	)

input_state: : user number. : device identifier of user. : index value of user. : identifier of key pressed by user.

Input state callback function.

Returns: Non-zero if the given key (identified by ) was pressed by the user (assigned to ).

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joypad_driver_find_handle()

const void* joypad_driver_find_handle

(

int

idx

)

joypad_driver_find_handle: : index of driver to get handle to.

Returns: handle to joypad driver at index. Can be NULL if nothing found.

joypad_driver_find_handle: : index of driver to get handle to.

Returns: handle to joypad driver at index. Can be NULL if nothing found.

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joypad_driver_find_ident()

const char* joypad_driver_find_ident

(

int

idx

)

joypad_driver_find_ident: : index of driver to get handle to.

Returns: Human-readable identifier of joypad driver at index. Can be NULL if nothing found.

joypad_driver_find_ident: : index of driver to get handle to.

Returns: Human-readable identifier of joypad driver at index. Can be NULL if nothing found.

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