RetroArch/input/drivers/switch_input.c

#include <stdint.h>
#include <stdlib.h>

#include <boolean.h>
#include <libretro.h>
#include <retro_miscellaneous.h>

#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif

#include "../input_driver.h"

#define MAX_PADS 10

typedef struct switch_input {
	const input_device_driver_t *joypad;
	bool blocked;
} switch_input_t;

static void switch_input_poll(void *data) {
	switch_input_t *sw = (switch_input_t*) data;

	if(sw->joypad) {
		sw->joypad->poll();
	}
}

static int16_t switch_input_state(void *data,
                                  rarch_joypad_info_t joypad_info,
                                  const struct retro_keybind **binds,
                                  unsigned port, unsigned device,
                                  unsigned idx, unsigned id) {
	switch_input_t *sw = (switch_input_t*) data;

	if (port > MAX_PADS-1)
		return 0;

	switch (device) {
	case RETRO_DEVICE_JOYPAD:
		//return input_joypad_pressed(sw->joypad,
		//                            joypad_info, port, binds[port], id);
		if(sw->joypad) {
			return sw->joypad->button(port, id);
		}
	case RETRO_DEVICE_ANALOG:
		if(binds[port]) {
			return input_joypad_analog(sw->joypad,
			                           joypad_info, port, idx, id, binds[port]);
		}
		break;
	}
	
	return 0;
}

static void switch_input_free_input(void *data) {
	switch_input_t *sw = (switch_input_t*) data;

	if (sw && sw->joypad) {
		sw->joypad->destroy();
	}

	free(sw);
}

static void* switch_input_init(const char *joypad_driver) {
	switch_input_t *sw = (switch_input_t*) calloc(1, sizeof(*sw));
	if (!sw)
		return NULL;

	sw->joypad = input_joypad_init_driver(joypad_driver, sw);

	return sw;
}

static uint64_t switch_input_get_capabilities(void *data) {
	(void) data;

	return (1 << RETRO_DEVICE_JOYPAD) | (1 << RETRO_DEVICE_ANALOG);
}

static const input_device_driver_t *switch_input_get_joypad_driver(void *data) {
	switch_input_t *sw = (switch_input_t*) data;
	if(sw) {
		return sw->joypad;
	}
	return NULL;
}

static void switch_input_grab_mouse(void *data, bool state) {
	(void)data;
	(void)state;
}

static bool switch_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;
}

static bool switch_input_keyboard_mapping_is_blocked(void *data) {
	switch_input_t *sw = (switch_input_t*) data;
	if (!sw) {
		return false;
	}
	return sw->blocked;
}

static void switch_input_keyboard_mapping_set_block(void *data, bool value) {
	switch_input_t *sw = (switch_input_t*) data;
	if(!sw) {
		return;
	}
	sw->blocked = value;
}

input_driver_t input_switch = {
	switch_input_init,
	switch_input_poll,
	switch_input_state,
	switch_input_free_input,
	NULL,
	NULL,
	switch_input_get_capabilities,
	"switch",
	switch_input_grab_mouse,
	NULL,
	switch_input_set_rumble,
	switch_input_get_joypad_driver,
	NULL,
	switch_input_keyboard_mapping_is_blocked,
	switch_input_keyboard_mapping_set_block,
};