RetroArch/input/input_common.c
2013-03-29 18:55:54 +01:00

569 lines
17 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
*
* 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 "input_common.h"
#include <string.h>
#include <stdlib.h>
#include "../general.h"
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#ifdef HAVE_DINPUT
#undef DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#endif
#ifdef HAVE_SDL
#include "SDL.h"
#endif
#ifdef HAVE_X11
#include <X11/keysym.h>
#endif
static const rarch_joypad_driver_t *joypad_drivers[] = {
#ifdef HAVE_DINPUT
&dinput_joypad,
#endif
#ifdef HAVE_SDL
&sdl_joypad,
#endif
#if defined(__linux) && !defined(ANDROID)
&linuxraw_joypad,
#endif
};
const rarch_joypad_driver_t *input_joypad_find_driver(const char *ident)
{
for (unsigned i = 0; i < ARRAY_SIZE(joypad_drivers); i++)
{
if (strcmp(ident, joypad_drivers[i]->ident) == 0)
{
RARCH_LOG("Found joypad driver: \"%s\".\n", joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
return NULL;
}
const rarch_joypad_driver_t *input_joypad_init_first(void)
{
for (unsigned i = 0; i < ARRAY_SIZE(joypad_drivers); i++)
{
if (joypad_drivers[i]->init())
{
RARCH_LOG("Found joypad driver: \"%s\".\n", joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
return NULL;
}
void input_joypad_poll(const rarch_joypad_driver_t *driver)
{
if (driver)
driver->poll();
}
bool input_joypad_pressed(const rarch_joypad_driver_t *driver,
unsigned port, const struct retro_keybind *key)
{
if (!driver)
return false;
int joy_index = g_settings.input.joypad_map[port];
if (joy_index < 0 || joy_index >= MAX_PLAYERS)
return false;
if (!key->valid)
return false;
if (driver->button(joy_index, (uint16_t)key->joykey))
return true;
int16_t axis = driver->axis(joy_index, key->joyaxis);
float scaled_axis = (float)abs(axis) / 0x8000;
return scaled_axis > g_settings.input.axis_threshold;
}
int16_t input_joypad_analog(const rarch_joypad_driver_t *driver,
unsigned port, unsigned index, unsigned id, const struct retro_keybind *binds)
{
if (!driver)
return 0;
int joy_index = g_settings.input.joypad_map[port];
if (joy_index < 0)
return 0;
unsigned id_minus = 0;
unsigned id_plus = 0;
input_conv_analog_id_to_bind_id(index, id, &id_minus, &id_plus);
const struct retro_keybind *bind_minus = &binds[id_minus];
const struct retro_keybind *bind_plus = &binds[id_plus];
if (!bind_minus->valid || !bind_plus->valid)
return 0;
int16_t pressed_minus = abs(driver->axis(joy_index, bind_minus->joyaxis));
int16_t pressed_plus = abs(driver->axis(joy_index, bind_plus->joyaxis));
int16_t res = pressed_plus - pressed_minus;
if (res != 0)
return res;
int16_t digital_left = driver->button(joy_index, (uint16_t)bind_minus->joykey) ? -0x7fff : 0;
int16_t digital_right = driver->button(joy_index, (uint16_t)bind_plus->joykey) ? 0x7fff : 0;
return digital_right + digital_left;
}
int16_t input_joypad_axis_raw(const rarch_joypad_driver_t *driver,
unsigned joypad, unsigned axis)
{
if (!driver)
return 0;
return driver->axis(joypad, AXIS_POS(axis)) + driver->axis(joypad, AXIS_NEG(axis));
}
bool input_joypad_button_raw(const rarch_joypad_driver_t *driver,
unsigned joypad, unsigned button)
{
if (!driver)
return false;
return driver->button(joypad, button);
}
bool input_joypad_hat_raw(const rarch_joypad_driver_t *driver,
unsigned joypad, unsigned hat_dir, unsigned hat)
{
if (!driver)
return false;
return driver->button(joypad, HAT_MAP(hat, hat_dir));
}
bool input_translate_coord_viewport(int mouse_x, int mouse_y,
int16_t *res_x, int16_t *res_y, int16_t *res_screen_x, int16_t *res_screen_y)
{
struct rarch_viewport vp = {0};
if (driver.video->viewport_info)
video_viewport_info_func(&vp);
else
return false;
int scaled_screen_x = (2 * mouse_x * 0x7fff) / (int)vp.full_width - 0x7fff;
int scaled_screen_y = (2 * mouse_y * 0x7fff) / (int)vp.full_height - 0x7fff;
if (scaled_screen_x < -0x7fff || scaled_screen_x > 0x7fff)
scaled_screen_x = -0x8000; // OOB
if (scaled_screen_y < -0x7fff || scaled_screen_y > 0x7fff)
scaled_screen_y = -0x8000; // OOB
mouse_x -= vp.x;
mouse_y -= vp.y;
int scaled_x = (2 * mouse_x * 0x7fff) / (int)vp.width - 0x7fff;
int scaled_y = (2 * mouse_y * 0x7fff) / (int)vp.height - 0x7fff;
if (scaled_x < -0x7fff || scaled_x > 0x7fff)
scaled_x = -0x8000; // OOB
if (scaled_y < -0x7fff || scaled_y > 0x7fff)
scaled_y = -0x8000; // OOB
*res_x = scaled_x;
*res_y = scaled_y;
*res_screen_x = scaled_screen_x;
*res_screen_y = scaled_screen_y;
return true;
}
#ifdef HAVE_X11
const struct rarch_key_map rarch_key_map_x11[] = {
{ XK_Left, RETROK_LEFT },
{ XK_Right, RETROK_RIGHT },
{ XK_Up, RETROK_UP },
{ XK_Down, RETROK_DOWN },
{ XK_Return, RETROK_RETURN },
{ XK_Tab, RETROK_TAB },
{ XK_Insert, RETROK_INSERT },
{ XK_Home, RETROK_HOME },
{ XK_End, RETROK_END },
{ XK_Page_Up, RETROK_PAGEUP },
{ XK_Page_Down, RETROK_PAGEDOWN },
{ XK_Delete, RETROK_DELETE },
{ XK_Shift_R, RETROK_RSHIFT },
{ XK_Shift_L, RETROK_LSHIFT },
{ XK_Control_L, RETROK_LCTRL },
{ XK_Alt_L, RETROK_LALT },
{ XK_space, RETROK_SPACE },
{ XK_Escape, RETROK_ESCAPE },
{ XK_BackSpace, RETROK_BACKSPACE },
{ XK_KP_Enter, RETROK_KP_ENTER },
{ XK_KP_Add, RETROK_KP_PLUS },
{ XK_KP_Subtract, RETROK_KP_MINUS },
{ XK_KP_Multiply, RETROK_KP_MULTIPLY },
{ XK_KP_Divide, RETROK_KP_DIVIDE },
{ XK_grave, RETROK_BACKQUOTE },
{ XK_Pause, RETROK_PAUSE },
{ XK_KP_0, RETROK_KP0 },
{ XK_KP_1, RETROK_KP1 },
{ XK_KP_2, RETROK_KP2 },
{ XK_KP_3, RETROK_KP3 },
{ XK_KP_4, RETROK_KP4 },
{ XK_KP_5, RETROK_KP5 },
{ XK_KP_6, RETROK_KP6 },
{ XK_KP_7, RETROK_KP7 },
{ XK_KP_8, RETROK_KP8 },
{ XK_KP_9, RETROK_KP9 },
{ XK_0, RETROK_0 },
{ XK_1, RETROK_1 },
{ XK_2, RETROK_2 },
{ XK_3, RETROK_3 },
{ XK_4, RETROK_4 },
{ XK_5, RETROK_5 },
{ XK_6, RETROK_6 },
{ XK_7, RETROK_7 },
{ XK_8, RETROK_8 },
{ XK_9, RETROK_9 },
{ XK_F1, RETROK_F1 },
{ XK_F2, RETROK_F2 },
{ XK_F3, RETROK_F3 },
{ XK_F4, RETROK_F4 },
{ XK_F5, RETROK_F5 },
{ XK_F6, RETROK_F6 },
{ XK_F7, RETROK_F7 },
{ XK_F8, RETROK_F8 },
{ XK_F9, RETROK_F9 },
{ XK_F10, RETROK_F10 },
{ XK_F11, RETROK_F11 },
{ XK_F12, RETROK_F12 },
{ XK_a, RETROK_a },
{ XK_b, RETROK_b },
{ XK_c, RETROK_c },
{ XK_d, RETROK_d },
{ XK_e, RETROK_e },
{ XK_f, RETROK_f },
{ XK_g, RETROK_g },
{ XK_h, RETROK_h },
{ XK_i, RETROK_i },
{ XK_j, RETROK_j },
{ XK_k, RETROK_k },
{ XK_l, RETROK_l },
{ XK_m, RETROK_m },
{ XK_n, RETROK_n },
{ XK_o, RETROK_o },
{ XK_p, RETROK_p },
{ XK_q, RETROK_q },
{ XK_r, RETROK_r },
{ XK_s, RETROK_s },
{ XK_t, RETROK_t },
{ XK_u, RETROK_u },
{ XK_v, RETROK_v },
{ XK_w, RETROK_w },
{ XK_x, RETROK_x },
{ XK_y, RETROK_y },
{ XK_z, RETROK_z },
{ 0, RETROK_UNKNOWN },
};
#endif
#ifdef HAVE_SDL
const struct rarch_key_map rarch_key_map_sdl[] = {
{ SDLK_LEFT, RETROK_LEFT },
{ SDLK_RIGHT, RETROK_RIGHT },
{ SDLK_UP, RETROK_UP },
{ SDLK_DOWN, RETROK_DOWN },
{ SDLK_RETURN, RETROK_RETURN },
{ SDLK_TAB, RETROK_TAB },
{ SDLK_INSERT, RETROK_INSERT },
{ SDLK_DELETE, RETROK_DELETE },
{ SDLK_RSHIFT, RETROK_RSHIFT },
{ SDLK_LSHIFT, RETROK_LSHIFT },
{ SDLK_LCTRL, RETROK_LCTRL },
{ SDLK_END, RETROK_END },
{ SDLK_HOME, RETROK_HOME },
{ SDLK_PAGEDOWN, RETROK_PAGEDOWN },
{ SDLK_PAGEUP, RETROK_PAGEUP },
{ SDLK_LALT, RETROK_LALT },
{ SDLK_SPACE, RETROK_SPACE },
{ SDLK_ESCAPE, RETROK_ESCAPE },
{ SDLK_BACKSPACE, RETROK_BACKSPACE },
{ SDLK_KP_ENTER, RETROK_KP_ENTER },
{ SDLK_KP_PLUS, RETROK_KP_PLUS },
{ SDLK_KP_MINUS, RETROK_KP_MINUS },
{ SDLK_KP_MULTIPLY, RETROK_KP_MULTIPLY },
{ SDLK_KP_DIVIDE, RETROK_KP_DIVIDE },
{ SDLK_BACKQUOTE, RETROK_BACKQUOTE },
{ SDLK_PAUSE, RETROK_PAUSE },
{ SDLK_KP0, RETROK_KP0 },
{ SDLK_KP1, RETROK_KP1 },
{ SDLK_KP2, RETROK_KP2 },
{ SDLK_KP3, RETROK_KP3 },
{ SDLK_KP4, RETROK_KP4 },
{ SDLK_KP5, RETROK_KP5 },
{ SDLK_KP6, RETROK_KP6 },
{ SDLK_KP7, RETROK_KP7 },
{ SDLK_KP8, RETROK_KP8 },
{ SDLK_KP9, RETROK_KP9 },
{ SDLK_0, RETROK_0 },
{ SDLK_1, RETROK_1 },
{ SDLK_2, RETROK_2 },
{ SDLK_3, RETROK_3 },
{ SDLK_4, RETROK_4 },
{ SDLK_5, RETROK_5 },
{ SDLK_6, RETROK_6 },
{ SDLK_7, RETROK_7 },
{ SDLK_8, RETROK_8 },
{ SDLK_9, RETROK_9 },
{ SDLK_F1, RETROK_F1 },
{ SDLK_F2, RETROK_F2 },
{ SDLK_F3, RETROK_F3 },
{ SDLK_F4, RETROK_F4 },
{ SDLK_F5, RETROK_F5 },
{ SDLK_F6, RETROK_F6 },
{ SDLK_F7, RETROK_F7 },
{ SDLK_F8, RETROK_F8 },
{ SDLK_F9, RETROK_F9 },
{ SDLK_F10, RETROK_F10 },
{ SDLK_F11, RETROK_F11 },
{ SDLK_F12, RETROK_F12 },
{ SDLK_a, RETROK_a },
{ SDLK_b, RETROK_b },
{ SDLK_c, RETROK_c },
{ SDLK_d, RETROK_d },
{ SDLK_e, RETROK_e },
{ SDLK_f, RETROK_f },
{ SDLK_g, RETROK_g },
{ SDLK_h, RETROK_h },
{ SDLK_i, RETROK_i },
{ SDLK_j, RETROK_j },
{ SDLK_k, RETROK_k },
{ SDLK_l, RETROK_l },
{ SDLK_m, RETROK_m },
{ SDLK_n, RETROK_n },
{ SDLK_o, RETROK_o },
{ SDLK_p, RETROK_p },
{ SDLK_q, RETROK_q },
{ SDLK_r, RETROK_r },
{ SDLK_s, RETROK_s },
{ SDLK_t, RETROK_t },
{ SDLK_u, RETROK_u },
{ SDLK_v, RETROK_v },
{ SDLK_w, RETROK_w },
{ SDLK_x, RETROK_x },
{ SDLK_y, RETROK_y },
{ SDLK_z, RETROK_z },
{ 0, RETROK_UNKNOWN },
};
#endif
#ifdef HAVE_DINPUT
const struct rarch_key_map rarch_key_map_dinput[] = {
{ DIK_LEFT, RETROK_LEFT },
{ DIK_RIGHT, RETROK_RIGHT },
{ DIK_UP, RETROK_UP },
{ DIK_DOWN, RETROK_DOWN },
{ DIK_RETURN, RETROK_RETURN },
{ DIK_TAB, RETROK_TAB },
{ DIK_INSERT, RETROK_INSERT },
{ DIK_DELETE, RETROK_DELETE },
{ DIK_RSHIFT, RETROK_RSHIFT },
{ DIK_LSHIFT, RETROK_LSHIFT },
{ DIK_LCONTROL, RETROK_LCTRL },
{ DIK_END, RETROK_END },
{ DIK_HOME, RETROK_HOME },
{ DIK_NEXT, RETROK_PAGEDOWN },
{ DIK_PRIOR, RETROK_PAGEUP },
{ DIK_LALT, RETROK_LALT },
{ DIK_SPACE, RETROK_SPACE },
{ DIK_ESCAPE, RETROK_ESCAPE },
{ DIK_BACKSPACE, RETROK_BACKSPACE },
{ DIK_NUMPADENTER, RETROK_KP_ENTER },
{ DIK_NUMPADPLUS, RETROK_KP_PLUS },
{ DIK_NUMPADMINUS, RETROK_KP_MINUS },
{ DIK_NUMPADSTAR, RETROK_KP_MULTIPLY },
{ DIK_NUMPADSLASH, RETROK_KP_DIVIDE },
{ DIK_GRAVE, RETROK_BACKQUOTE },
{ DIK_PAUSE, RETROK_PAUSE },
{ DIK_NUMPAD0, RETROK_KP0 },
{ DIK_NUMPAD1, RETROK_KP1 },
{ DIK_NUMPAD2, RETROK_KP2 },
{ DIK_NUMPAD3, RETROK_KP3 },
{ DIK_NUMPAD4, RETROK_KP4 },
{ DIK_NUMPAD5, RETROK_KP5 },
{ DIK_NUMPAD6, RETROK_KP6 },
{ DIK_NUMPAD7, RETROK_KP7 },
{ DIK_NUMPAD8, RETROK_KP8 },
{ DIK_NUMPAD9, RETROK_KP9 },
{ DIK_0, RETROK_0 },
{ DIK_1, RETROK_1 },
{ DIK_2, RETROK_2 },
{ DIK_3, RETROK_3 },
{ DIK_4, RETROK_4 },
{ DIK_5, RETROK_5 },
{ DIK_6, RETROK_6 },
{ DIK_7, RETROK_7 },
{ DIK_8, RETROK_8 },
{ DIK_9, RETROK_9 },
{ DIK_F1, RETROK_F1 },
{ DIK_F2, RETROK_F2 },
{ DIK_F3, RETROK_F3 },
{ DIK_F4, RETROK_F4 },
{ DIK_F5, RETROK_F5 },
{ DIK_F6, RETROK_F6 },
{ DIK_F7, RETROK_F7 },
{ DIK_F8, RETROK_F8 },
{ DIK_F9, RETROK_F9 },
{ DIK_F10, RETROK_F10 },
{ DIK_F11, RETROK_F11 },
{ DIK_F12, RETROK_F12 },
{ DIK_A, RETROK_a },
{ DIK_B, RETROK_b },
{ DIK_C, RETROK_c },
{ DIK_D, RETROK_d },
{ DIK_E, RETROK_e },
{ DIK_F, RETROK_f },
{ DIK_G, RETROK_g },
{ DIK_H, RETROK_h },
{ DIK_I, RETROK_i },
{ DIK_J, RETROK_j },
{ DIK_K, RETROK_k },
{ DIK_L, RETROK_l },
{ DIK_M, RETROK_m },
{ DIK_N, RETROK_n },
{ DIK_O, RETROK_o },
{ DIK_P, RETROK_p },
{ DIK_Q, RETROK_q },
{ DIK_R, RETROK_r },
{ DIK_S, RETROK_s },
{ DIK_T, RETROK_t },
{ DIK_U, RETROK_u },
{ DIK_V, RETROK_v },
{ DIK_W, RETROK_w },
{ DIK_X, RETROK_x },
{ DIK_Y, RETROK_y },
{ DIK_Z, RETROK_z },
{ 0, RETROK_UNKNOWN },
};
#endif
static enum retro_key rarch_keysym_lut[RETROK_LAST];
void input_init_keyboard_lut(const struct rarch_key_map *map)
{
memset(rarch_keysym_lut, 0, sizeof(rarch_keysym_lut));
for (; map->rk != RETROK_UNKNOWN; map++)
rarch_keysym_lut[map->rk] = (enum retro_key)map->sym;
}
enum retro_key input_translate_keysym_to_rk(unsigned sym)
{
for (unsigned i = 0; i < ARRAY_SIZE(rarch_keysym_lut); i++)
{
if (rarch_keysym_lut[i] == sym)
return (enum retro_key)i;
}
return RETROK_UNKNOWN;
}
unsigned input_translate_rk_to_keysym(enum retro_key key)
{
return rarch_keysym_lut[key];
}
struct str_to_bind_map
{
const char *str;
unsigned bind;
};
static const struct str_to_bind_map str_to_bind[] = {
{ "b", RETRO_DEVICE_ID_JOYPAD_B },
{ "y", RETRO_DEVICE_ID_JOYPAD_Y },
{ "select", RETRO_DEVICE_ID_JOYPAD_SELECT },
{ "start", RETRO_DEVICE_ID_JOYPAD_START },
{ "up", RETRO_DEVICE_ID_JOYPAD_UP },
{ "down", RETRO_DEVICE_ID_JOYPAD_DOWN },
{ "left", RETRO_DEVICE_ID_JOYPAD_LEFT },
{ "right", RETRO_DEVICE_ID_JOYPAD_RIGHT },
{ "a", RETRO_DEVICE_ID_JOYPAD_A },
{ "x", RETRO_DEVICE_ID_JOYPAD_X },
{ "l", RETRO_DEVICE_ID_JOYPAD_L },
{ "r", RETRO_DEVICE_ID_JOYPAD_R },
{ "l2", RETRO_DEVICE_ID_JOYPAD_L2 },
{ "r2", RETRO_DEVICE_ID_JOYPAD_R2 },
{ "l3", RETRO_DEVICE_ID_JOYPAD_L3 },
{ "r3", RETRO_DEVICE_ID_JOYPAD_R3 },
{ "turbo", RARCH_TURBO_ENABLE },
{ "l_x_plus", RARCH_ANALOG_LEFT_X_PLUS },
{ "l_x_minus", RARCH_ANALOG_LEFT_X_MINUS },
{ "l_y_plus", RARCH_ANALOG_LEFT_Y_PLUS },
{ "l_y_minus", RARCH_ANALOG_LEFT_Y_MINUS },
{ "r_x_plus", RARCH_ANALOG_RIGHT_X_PLUS },
{ "r_x_minus", RARCH_ANALOG_RIGHT_X_MINUS },
{ "r_y_plus", RARCH_ANALOG_RIGHT_Y_PLUS },
{ "r_y_minus", RARCH_ANALOG_RIGHT_Y_MINUS },
{ "toggle_fast_forward", RARCH_FAST_FORWARD_KEY },
{ "hold_fast_forward", RARCH_FAST_FORWARD_HOLD_KEY },
{ "load_state", RARCH_LOAD_STATE_KEY },
{ "save_state", RARCH_SAVE_STATE_KEY },
{ "toggle_fullscreen", RARCH_FULLSCREEN_TOGGLE_KEY },
{ "exit_emulator", RARCH_QUIT_KEY },
{ "state_slot_increase", RARCH_STATE_SLOT_PLUS },
{ "state_slot_decrease", RARCH_STATE_SLOT_MINUS },
{ "rewind", RARCH_REWIND },
{ "movie_record_toggle", RARCH_MOVIE_RECORD_TOGGLE },
{ "pause_toggle", RARCH_PAUSE_TOGGLE },
{ "frame_advance", RARCH_FRAMEADVANCE },
{ "reset", RARCH_RESET },
{ "shader_next", RARCH_SHADER_NEXT },
{ "shader_prev", RARCH_SHADER_PREV },
{ "cheat_index_plus", RARCH_CHEAT_INDEX_PLUS },
{ "cheat_index_minus", RARCH_CHEAT_INDEX_MINUS },
{ "cheat_toggle", RARCH_CHEAT_TOGGLE },
{ "screenshot", RARCH_SCREENSHOT },
{ "dsp_config", RARCH_DSP_CONFIG },
{ "audio_mute", RARCH_MUTE },
{ "netplay_flip_players", RARCH_NETPLAY_FLIP },
{ "slowmotion", RARCH_SLOWMOTION },
{ "enable_hotkey", RARCH_ENABLE_HOTKEY },
{ "volume_up", RARCH_VOLUME_UP },
{ "volume_down", RARCH_VOLUME_DOWN },
{ "overlay_next", RARCH_OVERLAY_NEXT },
{ "disk_eject_toggle", RARCH_DISK_EJECT_TOGGLE },
{ "disk_next", RARCH_DISK_NEXT },
{ "grab_mouse_toggle", RARCH_GRAB_MOUSE_TOGGLE },
{ "menu_toggle", RARCH_MENU_TOGGLE },
};
unsigned input_str_to_bind(const char *str)
{
for (unsigned i = 0; i < ARRAY_SIZE(str_to_bind); i++)
{
if (!strcmp(str_to_bind[i].str, str))
return str_to_bind[i].bind;
}
return RARCH_BIND_LIST_END;
}