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RetroArch/input/input_driver.c
twinaphex 117fd48f15 Get rid of some superfluous wrapper functions
2015-07-12 11:14:41 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - 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 <string.h>
#include <string/string_list.h>
#include "input_driver.h"
#include "../driver.h"
#include "../general.h"
#include "../libretro.h"
static const input_driver_t *input_drivers[] = {
#ifdef __CELLOS_LV2__
&input_ps3,
#endif
#if defined(SN_TARGET_PSP2) || defined(PSP)
&input_psp,
#endif
#if defined(_3DS)
&input_ctr,
#endif
#if defined(HAVE_SDL) || defined(HAVE_SDL2)
&input_sdl,
#endif
#ifdef HAVE_DINPUT
&input_dinput,
#endif
#ifdef HAVE_X11
&input_x,
#endif
#ifdef XENON
&input_xenon360,
#endif
#if defined(HAVE_XINPUT2) || defined(HAVE_XINPUT_XBOX1)
&input_xinput,
#endif
#ifdef GEKKO
&input_gx,
#endif
#ifdef ANDROID
&input_android,
#endif
#ifdef HAVE_UDEV
&input_udev,
#endif
#if defined(__linux__) && !defined(ANDROID)
&input_linuxraw,
#endif
#if defined(HAVE_COCOA) || defined(HAVE_COCOATOUCH)
&input_cocoa,
#endif
#ifdef __QNX__
&input_qnx,
#endif
#ifdef EMSCRIPTEN
&input_rwebinput,
#endif
&input_null,
NULL,
};
/**
* input_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to input driver at index. Can be NULL
* if nothing found.
**/
const void *input_driver_find_handle(int idx)
{
const void *drv = input_drivers[idx];
if (!drv)
return NULL;
return drv;
}
/**
* input_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of input driver at index. Can be NULL
* if nothing found.
**/
const char *input_driver_find_ident(int idx)
{
const input_driver_t *drv = input_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* 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 '|'.
**/
const char* config_get_input_driver_options(void)
{
union string_list_elem_attr attr;
unsigned i;
char *options = NULL;
int options_len = 0;
struct string_list *options_l = string_list_new();
attr.i = 0;
if (!options_l)
return NULL;
for (i = 0; input_driver_find_handle(i); i++)
{
const char *opt = input_driver_find_ident(i);
options_len += strlen(opt) + 1;
string_list_append(options_l, opt, attr);
}
options = (char*)calloc(options_len, sizeof(char));
if (!options)
{
string_list_free(options_l);
options_l = NULL;
return NULL;
}
string_list_join_concat(options, options_len, options_l, "|");
string_list_free(options_l);
options_l = NULL;
return options;
}
void find_input_driver(void)
{
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
int i = find_driver_index("input_driver", settings->input.driver);
if (i >= 0)
driver->input = (const input_driver_t*)input_driver_find_handle(i);
else
{
unsigned d;
RARCH_ERR("Couldn't find any input driver named \"%s\"\n",
settings->input.driver);
RARCH_LOG_OUTPUT("Available input drivers are:\n");
for (d = 0; input_driver_find_handle(d); d++)
RARCH_LOG_OUTPUT("\t%s\n", input_driver_find_ident(d));
RARCH_WARN("Going to default to first input driver...\n");
driver->input = (const input_driver_t*)input_driver_find_handle(0);
if (!driver->input)
rarch_fail(1, "find_input_driver()");
}
}
static const input_driver_t *input_get_ptr(driver_t *driver)
{
if (!driver)
return NULL;
return driver->input;
}
/**
* input_driver_set_rumble_state:
* @port : User number.
* @effect : Rumble effect.
* @strength : Strength of rumble effect.
*
* Sets the rumble state.
* Used by RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE.
**/
bool input_driver_set_rumble_state(unsigned port,
enum retro_rumble_effect effect, uint16_t strength)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (input->set_rumble)
return input->set_rumble(driver->input_data,
port, effect, strength);
return false;
}
bool input_driver_key_pressed(int key)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (!driver || !input)
return false;
return input->key_pressed(driver->input_data, key);
}
retro_input_t input_driver_keys_pressed(void)
{
int key;
retro_input_t ret = 0;
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
bool handle_key_pressed = !driver->block_libretro_input || !driver->block_hotkey;
for (key = 0; key < RARCH_BIND_LIST_END; key++)
{
bool state = false;
if (handle_key_pressed)
state = input->key_pressed(driver->input_data, key);
#ifdef HAVE_OVERLAY
state |= input_overlay_key_pressed(key);
#endif
#ifdef HAVE_COMMAND
if (driver->command)
state |= rarch_cmd_get(driver->command, key);
#endif
if (state)
ret |= (UINT64_C(1) << key);
}
return ret;
}
int16_t input_driver_state(const struct retro_keybind **retro_keybinds,
unsigned port, unsigned device, unsigned index, unsigned id)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
return input->input_state(driver->input_data, retro_keybinds,
port, device, index, id);
}
const input_device_driver_t *input_driver_get_joypad_driver(void)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (input->get_joypad_driver)
return input->get_joypad_driver(driver->input_data);
return NULL;
}
uint64_t input_driver_get_capabilities(void)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (input->get_capabilities)
return input->get_capabilities(driver->input_data);
return 0;
}
bool input_driver_grab_mouse(bool state)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (input->grab_mouse)
{
input->grab_mouse(driver->input_data, state);
return true;
}
return false;
}
bool input_driver_grab_stdin(void)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (input->grab_stdin)
return input->grab_stdin(driver->input_data);
return false;
}
void *input_driver_init(void)
{
driver_t *driver = driver_get_ptr();
if (driver && driver->input)
return driver->input->init();
return NULL;
}
void input_driver_free(void)
{
driver_t *driver = driver_get_ptr();
if (driver && driver->input)
driver->input->free(driver->input_data);
}
bool input_driver_keyboard_mapping_is_blocked(void)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (input->keyboard_mapping_is_blocked)
return driver->input->keyboard_mapping_is_blocked(
driver->input_data);
return false;
}
void input_driver_keyboard_mapping_set_block(bool value)
{
driver_t *driver = driver_get_ptr();
const input_driver_t *input = input_get_ptr(driver);
if (input->keyboard_mapping_set_block)
driver->input->keyboard_mapping_set_block(driver->input_data, value);
}
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