RetroArch/ios/RetroArch/ios_input.c

323 lines
8.1 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2013 - 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 <unistd.h>
#include "../../input/input_common.h"
#include "../../performance.h"
#include "../../general.h"
#include "../../driver.h"
/*
0x00 Reserved (no event indicated)
0x01 Keyboard ErrorRollOver
0x02 Keyboard POSTFail
0x03 Keyboard ErrorUndefined
0x2D Keyboard - and (underscore)
0x2E Keyboard = and +
0x2F Keyboard [ and {
0x30 Keyboard ] and }
0x31 Keyboard \ and |
0x32 Keyboard Non-US # and ~
0x33 Keyboard ; and :
0x34 Keyboard ' and "
0x36 Keyboard, and <
0x37 Keyboard . and >
0x38 Keyboard / and ?
0x39 Keyboard Caps Lock
0x46 Keyboard PrintScreen
0x47 Keyboard Scroll Lock
0x4C Keyboard Delete Forward
0x53 Keypad Num Lock and Clear
0x63 Keypad . and Delete
0x64 Keyboard Non-US \ and |
0x65 Keyboard Application
0x66 Keyboard Power
0x67 Keypad =
0x68 Keyboard F13
0x69 Keyboard F14
0x6A Keyboard F15
0x6B Keyboard F16
0x6C Keyboard F17
0x6D Keyboard F18
0x6E Keyboard F19
0x6F Keyboard F20
0x70 Keyboard F21
0x71 Keyboard F22
0x72 Keyboard F23
0x73 Keyboard F24
0x74 Keyboard Execute
0x75 Keyboard Help
0x76 Keyboard Menu
0x77 Keyboard Select
0x78 Keyboard Stop
0x79 Keyboard Again
0x7A Keyboard Undo
0x7B Keyboard Cut
0x7C Keyboard Copy
0x7D Keyboard Paste
0x7E Keyboard Find
0x7F Keyboard Mute
0x80 Keyboard Volume Up
0x81 Keyboard Volume Down
0x82 Keyboard Locking Caps Lock
0x83 Keyboard Locking Num Lock
0x84 Keyboard Locking Scroll Lock
0x85 Keypad Comma
0x86 Keypad Equal Sign
0x87 Keyboard International1
0x88 Keyboard International2
0x89 Keyboard International3
0x8A Keyboard International4
0x8B Keyboard International5
0x8C Keyboard International6
0x8D Keyboard International7
0x8E Keyboard International8
0x8F Keyboard International9
0x90 Keyboard LANG1
0x91 Keyboard LANG2
0x92 Keyboard LANG3
0x93 Keyboard LANG4
0x94 Keyboard LANG5
0x95 Keyboard LANG6
0x96 Keyboard LANG7
0x97 Keyboard LANG8
0x98 Keyboard LANG9
0x99 Keyboard Alternate Erase
0x9A Keyboard SysReq/Attention
0x9B Keyboard Cancel
0x9C Keyboard Clear
0x9D Keyboard Prior
0x9E Keyboard Return
0x9F Keyboard Separator
0xA0 Keyboard Out
0xA1 Keyboard Oper
0xA2 Keyboard Clear/Again
0xA3 Keyboard CrSel/Props
0xA4 Keyboard ExSel
0xE3 Keyboard Left GUI
0xE4 Keyboard RightControl
0xE6 Keyboard RightAlt
0xE7 Keyboard Right GUI
*/
// This may be useful for other platforms too
static const struct rarch_key_map rarch_key_map_hidusage[] = {
{ 0x50, RETROK_LEFT },
{ 0x4F, RETROK_RIGHT },
{ 0x52, RETROK_UP },
{ 0x51, RETROK_DOWN },
{ 0x28, RETROK_RETURN },
{ 0x2B, RETROK_TAB },
{ 0x49, RETROK_INSERT },
{ 0x4C, RETROK_DELETE },
{ 0xE5, RETROK_RSHIFT },
{ 0xE1, RETROK_LSHIFT },
{ 0xE0, RETROK_LCTRL },
{ 0x4D, RETROK_END },
{ 0x4A, RETROK_HOME },
{ 0x4E, RETROK_PAGEDOWN },
{ 0x4B, RETROK_PAGEUP },
{ 0xE2, RETROK_LALT },
{ 0x2C, RETROK_SPACE },
{ 0x29, RETROK_ESCAPE },
{ 0x2A, RETROK_BACKSPACE },
{ 0x58, RETROK_KP_ENTER },
{ 0x57, RETROK_KP_PLUS },
{ 0x56, RETROK_KP_MINUS },
{ 0x55, RETROK_KP_MULTIPLY },
{ 0x54, RETROK_KP_DIVIDE },
{ 0x35, RETROK_BACKQUOTE },
{ 0x48, RETROK_PAUSE },
{ 0x62, RETROK_KP0 },
{ 0x59, RETROK_KP1 },
{ 0x5A, RETROK_KP2 },
{ 0x5B, RETROK_KP3 },
{ 0x5C, RETROK_KP4 },
{ 0x5D, RETROK_KP5 },
{ 0x5E, RETROK_KP6 },
{ 0x5F, RETROK_KP7 },
{ 0x60, RETROK_KP8 },
{ 0x61, RETROK_KP9 },
{ 0x27, RETROK_0 },
{ 0x1E, RETROK_1 },
{ 0x1F, RETROK_2 },
{ 0x20, RETROK_3 },
{ 0x21, RETROK_4 },
{ 0x22, RETROK_5 },
{ 0x23, RETROK_6 },
{ 0x24, RETROK_7 },
{ 0x25, RETROK_8 },
{ 0x26, RETROK_9 },
{ 0x3A, RETROK_F1 },
{ 0x3B, RETROK_F2 },
{ 0x3C, RETROK_F3 },
{ 0x3D, RETROK_F4 },
{ 0x3E, RETROK_F5 },
{ 0x3F, RETROK_F6 },
{ 0x40, RETROK_F7 },
{ 0x41, RETROK_F8 },
{ 0x42, RETROK_F9 },
{ 0x43, RETROK_F10 },
{ 0x44, RETROK_F11 },
{ 0x45, RETROK_F12 },
{ 0x04, RETROK_a },
{ 0x05, RETROK_b },
{ 0x06, RETROK_c },
{ 0x07, RETROK_d },
{ 0x08, RETROK_e },
{ 0x09, RETROK_f },
{ 0x0A, RETROK_g },
{ 0x0B, RETROK_h },
{ 0x0C, RETROK_i },
{ 0x0D, RETROK_j },
{ 0x0E, RETROK_k },
{ 0x0F, RETROK_l },
{ 0x10, RETROK_m },
{ 0x11, RETROK_n },
{ 0x12, RETROK_o },
{ 0x13, RETROK_p },
{ 0x14, RETROK_q },
{ 0x15, RETROK_r },
{ 0x16, RETROK_s },
{ 0x17, RETROK_t },
{ 0x18, RETROK_u },
{ 0x19, RETROK_v },
{ 0x1A, RETROK_w },
{ 0x1B, RETROK_x },
{ 0x1C, RETROK_y },
{ 0x1D, RETROK_z },
{ 0, RETROK_UNKNOWN }
};
#define MAX_TOUCH 16
#define MAX_KEYS 256
struct
{
bool is_down;
int16_t screen_x, screen_y;
int16_t fixed_x, fixed_y;
int16_t full_x, full_y;
} ios_touches[MAX_TOUCH];
bool ios_keys[MAX_KEYS];
uint32_t ios_current_touch_count = 0;
static bool l_ios_is_key_pressed(enum retro_key key)
{
if ((int)key >= 0 && key < RETROK_LAST)
{
int hidkey = input_translate_rk_to_keysym(key);
return (hidkey < MAX_KEYS) ? ios_keys[hidkey] : false;
}
return false;
}
static int16_t l_ios_joypad_device_state(const struct retro_keybind **binds_,
unsigned port_num, unsigned id)
{
const struct retro_keybind *binds = binds_[port_num];
if (id < RARCH_BIND_LIST_END)
{
const struct retro_keybind *bind = &binds[id];
return bind->valid && l_ios_is_key_pressed(bind->key);
}
else
return 0;
}
static void *ios_input_init(void)
{
input_init_keyboard_lut(rarch_key_map_hidusage);
memset(ios_touches, 0, sizeof(ios_touches));
memset(ios_keys, 0, sizeof(ios_keys));
return (void*)-1;
}
static void ios_input_poll(void *data)
{
for (int i = 0; i != ios_current_touch_count; i ++)
{
input_translate_coord_viewport(ios_touches[i].screen_x, ios_touches[i].screen_y,
&ios_touches[i].fixed_x, &ios_touches[i].fixed_y,
&ios_touches[i].full_x, &ios_touches[i].full_y);
}
}
static int16_t ios_input_state(void *data, const struct retro_keybind **binds, unsigned port, unsigned device, unsigned index, unsigned id)
{
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return l_ios_joypad_device_state(binds, port, id);
case RETRO_DEVICE_ANALOG:
return 0;
case RETRO_DEVICE_MOUSE:
return 0;
case RETRO_DEVICE_POINTER:
return 0;
case RARCH_DEVICE_POINTER_SCREEN:
switch (id)
{
case RETRO_DEVICE_ID_POINTER_X:
return (index < ios_current_touch_count) ? ios_touches[index].full_x : 0;
case RETRO_DEVICE_ID_POINTER_Y:
return (index < ios_current_touch_count) ? ios_touches[index].full_y : 0;
case RETRO_DEVICE_ID_POINTER_PRESSED:
return (index < ios_current_touch_count) ? ios_touches[index].is_down : 0;
default:
return 0;
}
case RETRO_DEVICE_KEYBOARD:
return 0;
case RETRO_DEVICE_LIGHTGUN:
return 0;
default:
return 0;
}
}
static bool ios_input_key_pressed(void *data, int key)
{
const struct retro_keybind *binds = g_settings.input.binds[0];
if (key >= 0 && key < RARCH_BIND_LIST_END)
{
const struct retro_keybind *bind = &binds[key];
return l_ios_is_key_pressed(bind->key);
}
return false;
}
static void ios_input_free_input(void *data)
{
(void)data;
}
const input_driver_t input_ios = {
ios_input_init,
ios_input_poll,
ios_input_state,
ios_input_key_pressed,
ios_input_free_input,
"ios_input",
};