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RetroArch/input/drivers_keyboard/keyboard_event_apple.c
twinaphex 57457c2d70 Optimize apple_input_is_pressed
2016-10-23 20:42:09 +02:00

344 lines
15 KiB
C
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2016 - Daniel De Matteis
* Copyright (C) 2013-2014 - Jason Fetters
*
* 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 <stdint.h>
#include <unistd.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include "../input_config.h"
#include "../input_keymaps.h"
#include "../input_keyboard.h"
#include "../../runloop.h"
#include "../../driver.h"
#include "keyboard_event_apple.h"
#if TARGET_OS_IPHONE
static bool small_keyboard_active;
#define HIDKEY(X) X
#else
/* Taken from https://github.com/depp/keycode,
* check keycode.h for license. */
static const unsigned char MAC_NATIVE_TO_HID[128] = {
4, 22, 7, 9, 11, 10, 29, 27, 6, 25,255, 5, 20, 26, 8, 21,
28, 23, 30, 31, 32, 33, 35, 34, 46, 38, 36, 45, 37, 39, 48, 18,
24, 47, 12, 19, 40, 15, 13, 52, 14, 51, 49, 54, 56, 17, 16, 55,
43, 44, 53, 42,255, 41,231,227,225, 57,226,224,229,230,228,255,
108, 99,255, 85,255, 87,255, 83,255,255,255, 84, 88,255, 86,109,
110,103, 98, 89, 90, 91, 92, 93, 94, 95,111, 96, 97,255,255,255,
62, 63, 64, 60, 65, 66,255, 68,255,104,107,105,255, 67,255, 69,
255,106,117, 74, 75, 76, 61, 77, 59, 78, 58, 80, 79, 81, 82,255
};
#define HIDKEY(X) (X < 128) ? MAC_NATIVE_TO_HID[X] : 0
#endif
static uint32_t apple_key_state[MAX_KEYS];
#if TARGET_OS_IPHONE
static bool handle_small_keyboard(unsigned* code, bool down)
{
static uint8_t mapping[128];
static bool map_initialized;
static const struct { uint8_t orig; uint8_t mod; } mapping_def[] =
{
{ KEY_Grave, KEY_Escape }, { KEY_1, KEY_F1 },
{ KEY_2, KEY_F2 }, { KEY_3, KEY_F3 },
{ KEY_4, KEY_F4 }, { KEY_5, KEY_F5 },
{ KEY_6, KEY_F6 }, { KEY_7, KEY_F7 },
{ KEY_8, KEY_F8 }, { KEY_9, KEY_F9 },
{ KEY_0, KEY_F10 }, { KEY_Minus, KEY_F11 },
{ KEY_Equals, KEY_F12 }, { KEY_Up, KEY_PageUp },
{ KEY_Down, KEY_PageDown }, { KEY_Left, KEY_Home },
{ KEY_Right, KEY_End }, { KEY_Q, KP_7 },
{ KEY_W, KP_8 }, { KEY_E, KP_9 },
{ KEY_A, KP_4 }, { KEY_S, KP_5 },
{ KEY_D, KP_6 }, { KEY_Z, KP_1 },
{ KEY_X, KP_2 }, { KEY_C, KP_3 },
{ 0 }
};
unsigned translated_code = 0;
if (!map_initialized)
{
int i;
for (i = 0; mapping_def[i].orig; i ++)
mapping[mapping_def[i].orig] = mapping_def[i].mod;
map_initialized = true;
}
if (*code == KEY_RightShift)
{
small_keyboard_active = down;
*code = 0;
return true;
}
translated_code = (*code < 128) ? mapping[*code] : 0;
/* Allow old keys to be released. */
if (!down && apple_key_state[*code])
return false;
if ((!down && apple_key_state[translated_code]) ||
small_keyboard_active)
{
*code = translated_code;
return true;
}
return false;
}
typedef struct icade_map
{
bool up;
enum retro_key key;
} icade_map_t;
#define MAX_ICADE_PROFILES 4
#define MAX_ICADE_KEYS 0x100
static icade_map_t icade_maps[MAX_ICADE_PROFILES][MAX_ICADE_KEYS];
static bool handle_icade_event(unsigned *code, bool *keydown)
{
settings_t *settings = config_get_ptr();
static bool initialized = false;
bool ret = false;
unsigned kb_type_idx = settings->input.keyboard_gamepad_mapping_type;
if (!initialized)
{
unsigned i;
unsigned j = 0;
for (j = 0; j < MAX_ICADE_PROFILES; j++)
{
for (i = 0; i < MAX_ICADE_KEYS; i++)
{
icade_maps[j][i].key = RETROK_UNKNOWN;
icade_maps[j][i].up = false;
}
}
/* iPega PG-9017 */
j = 1;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_a)].key = RETROK_LEFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_q)].key = RETROK_LEFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_c)].key = RETROK_RIGHT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_d)].key = RETROK_RIGHT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_e)].key = RETROK_UP;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_w)].key = RETROK_UP;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_x)].key = RETROK_DOWN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_z)].key = RETROK_DOWN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_f)].key = RETROK_z;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_u)].key = RETROK_z;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_i)].key = RETROK_q;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_m)].key = RETROK_q;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_j)].key = RETROK_a;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_n)].key = RETROK_a;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_k)].key = RETROK_w;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_p)].key = RETROK_w;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_h)].key = RETROK_x;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_r)].key = RETROK_x;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_y)].key = RETROK_s;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_t)].key = RETROK_s;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_e)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_z)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_q)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_c)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_f)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_m)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_t)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_n)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_p)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_r)].up = true;
/* 8-bitty */
j = 2;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_a)].key = RETROK_LEFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_q)].key = RETROK_LEFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_c)].key = RETROK_RIGHT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_d)].key = RETROK_RIGHT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_e)].key = RETROK_UP;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_w)].key = RETROK_UP;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_x)].key = RETROK_DOWN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_z)].key = RETROK_DOWN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_h)].key = RETROK_q;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_r)].key = RETROK_q;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_j)].key = RETROK_w;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_n)].key = RETROK_w;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_i)].key = RETROK_a;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_m)].key = RETROK_a;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_k)].key = RETROK_z;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_p)].key = RETROK_z;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_y)].key = RETROK_RSHIFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_t)].key = RETROK_RSHIFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_u)].key = RETROK_RETURN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_f)].key = RETROK_RETURN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_l)].key = RETROK_x;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_v)].key = RETROK_x;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_o)].key = RETROK_s;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_g)].key = RETROK_s;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_e)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_z)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_q)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_c)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_r)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_n)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_m)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_p)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_t)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_f)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_v)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_g)].up = true;
/* SNES30 8bitDo */
j = 3;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_e)].key = RETROK_UP;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_w)].key = RETROK_UP;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_x)].key = RETROK_DOWN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_z)].key = RETROK_DOWN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_a)].key = RETROK_LEFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_q)].key = RETROK_LEFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_c)].key = RETROK_RIGHT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_d)].key = RETROK_RIGHT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_u)].key = RETROK_x;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_f)].key = RETROK_x;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_h)].key = RETROK_z;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_r)].key = RETROK_z;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_y)].key = RETROK_a;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_t)].key = RETROK_a;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_j)].key = RETROK_s;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_n)].key = RETROK_s;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_k)].key = RETROK_q;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_p)].key = RETROK_q;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_i)].key = RETROK_w;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_m)].key = RETROK_w;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_l)].key = RETROK_RSHIFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_v)].key = RETROK_RSHIFT;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_o)].key = RETROK_RETURN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_g)].key = RETROK_RETURN;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_v)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_g)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_e)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_z)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_q)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_c)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_r)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_f)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_n)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_t)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_p)].up = true;
icade_maps[j][input_keymaps_translate_rk_to_keysym(RETROK_m)].up = true;
initialized = true;
}
if ((*code < 0x20) && (icade_maps[kb_type_idx][*code].key != RETROK_UNKNOWN))
{
*keydown = icade_maps[kb_type_idx][*code].up ? false : true;
ret = true;
*code = input_keymaps_translate_rk_to_keysym(icade_maps[kb_type_idx][*code].key);
}
return ret;
}
#endif
void apple_input_keyboard_event(bool down,
unsigned code, uint32_t character, uint32_t mod, unsigned device)
{
#if TARGET_OS_IPHONE
settings_t *settings = config_get_ptr();
#endif
code = HIDKEY(code);
#if TARGET_OS_IPHONE
if (settings->input.keyboard_gamepad_enable)
{
if (handle_icade_event(&code, &down))
character = 0;
else
code = 0;
}
else if (settings->input.small_keyboard_enable)
{
if (handle_small_keyboard(&code, down))
character = 0;
}
#endif
if (code == 0 || code >= MAX_KEYS)
return;
apple_key_state[code] = down;
input_keyboard_event(down,
input_keymaps_translate_keysym_to_rk(code),
character, (enum retro_mod)mod, device);
}
int16_t apple_input_is_pressed(unsigned port_num,
const struct retro_keybind *binds, unsigned id)
{
if (id < RARCH_BIND_LIST_END)
{
const struct retro_keybind *bind = &binds[id];
unsigned bit = input_keymaps_translate_rk_to_keysym(bind->key);
return apple_key_state[bit];
}
return 0;
}
int16_t apple_keyboard_state(unsigned id)
{
unsigned bit = input_keymaps_translate_rk_to_keysym((enum retro_key)id);
return (id < RETROK_LAST) && apple_key_state[bit];
}
int32_t apple_keyboard_find_any_key(void)
{
unsigned i;
for (i = 0; apple_key_name_map[i].hid_id; i++)
if (apple_key_state[apple_key_name_map[i].hid_id])
return apple_key_name_map[i].hid_id;
return 0;
}
void apple_keyboard_free(void)
{
unsigned i;
for (i = 0; i < MAX_KEYS; i++)
apple_key_state[i] = 0;
}
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