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RetroArch/input/apple_input.c
twinaphex 75d2e13dcb Make drivers non-const
2014-09-11 07:06:20 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2014 - 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>
#include "input_common.h"
#include "apple_input.h"
#include "../general.h"
#include "../driver.h"
#include "apple_keycode.h"
const struct apple_key_name_map_entry apple_key_name_map[] =
{
{ "left", KEY_Left }, { "right", KEY_Right },
{ "up", KEY_Up }, { "down", KEY_Down },
{ "enter", KEY_Enter }, { "kp_enter", KP_Enter },
{ "space", KEY_Space }, { "tab", KEY_Tab },
{ "shift", KEY_LeftShift }, { "rshift", KEY_RightShift },
{ "ctrl", KEY_LeftControl }, { "alt", KEY_LeftAlt },
{ "escape", KEY_Escape }, { "backspace", KEY_DeleteForward },
{ "backquote", KEY_Grave }, { "pause", KEY_Pause },
{ "f1", KEY_F1 }, { "f2", KEY_F2 },
{ "f3", KEY_F3 }, { "f4", KEY_F4 },
{ "f5", KEY_F5 }, { "f6", KEY_F6 },
{ "f7", KEY_F7 }, { "f8", KEY_F8 },
{ "f9", KEY_F9 }, { "f10", KEY_F10 },
{ "f11", KEY_F11 }, { "f12", KEY_F12 },
{ "num0", KEY_0 }, { "num1", KEY_1 },
{ "num2", KEY_2 }, { "num3", KEY_3 },
{ "num4", KEY_4 }, { "num5", KEY_5 },
{ "num6", KEY_6 }, { "num7", KEY_7 },
{ "num8", KEY_8 }, { "num9", KEY_9 },
{ "insert", KEY_Insert }, { "del", KEY_DeleteForward },
{ "home", KEY_Home }, { "end", KEY_End },
{ "pageup", KEY_PageUp }, { "pagedown", KEY_PageDown },
{ "add", KP_Add }, { "subtract", KP_Subtract },
{ "multiply", KP_Multiply }, { "divide", KP_Divide },
{ "keypad0", KP_0 }, { "keypad1", KP_1 },
{ "keypad2", KP_2 }, { "keypad3", KP_3 },
{ "keypad4", KP_4 }, { "keypad5", KP_5 },
{ "keypad6", KP_6 }, { "keypad7", KP_7 },
{ "keypad8", KP_8 }, { "keypad9", KP_9 },
{ "period", KEY_Period }, { "capslock", KEY_CapsLock },
{ "numlock", KP_NumLock }, { "print_screen", KEY_PrintScreen },
{ "scroll_lock", KEY_ScrollLock },
{ "a", KEY_A }, { "b", KEY_B }, { "c", KEY_C }, { "d", KEY_D },
{ "e", KEY_E }, { "f", KEY_F }, { "g", KEY_G }, { "h", KEY_H },
{ "i", KEY_I }, { "j", KEY_J }, { "k", KEY_K }, { "l", KEY_L },
{ "m", KEY_M }, { "n", KEY_N }, { "o", KEY_O }, { "p", KEY_P },
{ "q", KEY_Q }, { "r", KEY_R }, { "s", KEY_S }, { "t", KEY_T },
{ "u", KEY_U }, { "v", KEY_V }, { "w", KEY_W }, { "x", KEY_X },
{ "y", KEY_Y }, { "z", KEY_Z },
{ "nul", 0x00},
};
const struct rarch_key_map apple_key_map_hidusage[] =
{
{ KEY_Delete, RETROK_BACKSPACE },
{ KEY_Tab, RETROK_TAB },
// RETROK_CLEAR },
{ KEY_Enter, RETROK_RETURN },
{ KEY_Pause, RETROK_PAUSE },
{ KEY_Escape, RETROK_ESCAPE },
{ KEY_Space, RETROK_SPACE },
// RETROK_EXCLAIM },
// RETROK_QUOTEDBL },
// RETROK_HASH },
// RETROK_DOLLAR },
// RETROK_AMPERSAND },
{ KEY_Quote, RETROK_QUOTE },
// RETROK_LEFTPAREN },
// RETROK_RIGHTPAREN },
// RETROK_ASTERISK },
// RETROK_PLUS },
{ KEY_Comma, RETROK_COMMA },
{ KEY_Minus, RETROK_MINUS },
{ KEY_Period, RETROK_PERIOD },
{ KEY_Slash, RETROK_SLASH },
{ KEY_0, RETROK_0 },
{ KEY_1, RETROK_1 },
{ KEY_2, RETROK_2 },
{ KEY_3, RETROK_3 },
{ KEY_4, RETROK_4 },
{ KEY_5, RETROK_5 },
{ KEY_6, RETROK_6 },
{ KEY_7, RETROK_7 },
{ KEY_8, RETROK_8 },
{ KEY_9, RETROK_9 },
// RETROK_COLON },
{ KEY_Semicolon, RETROK_SEMICOLON },
// RETROK_LESS },
{ KEY_Equals, RETROK_EQUALS },
// RETROK_GREATER },
// RETROK_QUESTION },
// RETROK_AT },
{ KEY_LeftBracket, RETROK_LEFTBRACKET },
{ KEY_Backslash, RETROK_BACKSLASH },
{ KEY_RightBracket, RETROK_RIGHTBRACKET },
// RETROK_CARET },
// RETROK_UNDERSCORE },
{ KEY_Grave, RETROK_BACKQUOTE },
{ KEY_A, RETROK_a },
{ KEY_B, RETROK_b },
{ KEY_C, RETROK_c },
{ KEY_D, RETROK_d },
{ KEY_E, RETROK_e },
{ KEY_F, RETROK_f },
{ KEY_G, RETROK_g },
{ KEY_H, RETROK_h },
{ KEY_I, RETROK_i },
{ KEY_J, RETROK_j },
{ KEY_K, RETROK_k },
{ KEY_L, RETROK_l },
{ KEY_M, RETROK_m },
{ KEY_N, RETROK_n },
{ KEY_O, RETROK_o },
{ KEY_P, RETROK_p },
{ KEY_Q, RETROK_q },
{ KEY_R, RETROK_r },
{ KEY_S, RETROK_s },
{ KEY_T, RETROK_t },
{ KEY_U, RETROK_u },
{ KEY_V, RETROK_v },
{ KEY_W, RETROK_w },
{ KEY_X, RETROK_x },
{ KEY_Y, RETROK_y },
{ KEY_Z, RETROK_z },
{ KEY_DeleteForward, RETROK_DELETE },
{ KP_0, RETROK_KP0 },
{ KP_1, RETROK_KP1 },
{ KP_2, RETROK_KP2 },
{ KP_3, RETROK_KP3 },
{ KP_4, RETROK_KP4 },
{ KP_5, RETROK_KP5 },
{ KP_6, RETROK_KP6 },
{ KP_7, RETROK_KP7 },
{ KP_8, RETROK_KP8 },
{ KP_9, RETROK_KP9 },
{ KP_Point, RETROK_KP_PERIOD },
{ KP_Divide, RETROK_KP_DIVIDE },
{ KP_Multiply, RETROK_KP_MULTIPLY },
{ KP_Subtract, RETROK_KP_MINUS },
{ KP_Add, RETROK_KP_PLUS },
{ KP_Enter, RETROK_KP_ENTER },
{ KP_Equals, RETROK_KP_EQUALS },
{ KEY_Up, RETROK_UP },
{ KEY_Down, RETROK_DOWN },
{ KEY_Right, RETROK_RIGHT },
{ KEY_Left, RETROK_LEFT },
{ KEY_Insert, RETROK_INSERT },
{ KEY_Home, RETROK_HOME },
{ KEY_End, RETROK_END },
{ KEY_PageUp, RETROK_PAGEUP },
{ KEY_PageDown, RETROK_PAGEDOWN },
{ KEY_F1, RETROK_F1 },
{ KEY_F2, RETROK_F2 },
{ KEY_F3, RETROK_F3 },
{ KEY_F4, RETROK_F4 },
{ KEY_F5, RETROK_F5 },
{ KEY_F6, RETROK_F6 },
{ KEY_F7, RETROK_F7 },
{ KEY_F8, RETROK_F8 },
{ KEY_F9, RETROK_F9 },
{ KEY_F10, RETROK_F10 },
{ KEY_F11, RETROK_F11 },
{ KEY_F12, RETROK_F12 },
{ KEY_F13, RETROK_F13 },
{ KEY_F14, RETROK_F14 },
{ KEY_F15, RETROK_F15 },
// RETROK_NUMLOCK },
{ KEY_CapsLock, RETROK_CAPSLOCK },
// RETROK_SCROLLOCK },
{ KEY_RightShift, RETROK_RSHIFT },
{ KEY_LeftShift, RETROK_LSHIFT },
{ KEY_RightControl, RETROK_RCTRL },
{ KEY_LeftControl, RETROK_LCTRL },
{ KEY_RightAlt, RETROK_RALT },
{ KEY_LeftAlt, RETROK_LALT },
{ KEY_RightGUI, RETROK_RMETA },
{ KEY_LeftGUI, RETROK_RMETA },
// RETROK_LSUPER },
// RETROK_RSUPER },
// RETROK_MODE },
// RETROK_COMPOSE },
// RETROK_HELP },
{ KEY_PrintScreen, RETROK_PRINT },
// RETROK_SYSREQ },
// RETROK_BREAK },
{ KEY_Menu, RETROK_MENU },
// RETROK_POWER },
// RETROK_EURO },
// RETROK_UNDO },
{ 0, RETROK_UNKNOWN }
};
const char* apple_keycode_hidusage_to_name(uint32_t hid_usage)
{
for (int i = 0; apple_key_name_map[i].hid_id; i ++)
if (apple_key_name_map[i].hid_id == hid_usage)
return apple_key_name_map[i].keyname;
return "nul";
}
#ifdef IOS
extern void apple_gamecontroller_poll_all(void);
enum input_devices
{
DEVICE_NONE = 0,
DEVICE_WIIMOTE,
DEVICE_SIXAXIS,
DEVICE_MFI,
DEVICE_LAST
};
#endif
static const rarch_joypad_driver_t *joypad;
apple_input_data_t g_current_input_data;
#ifdef OSX // 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
#else
#define HIDKEY(X) X
#endif
static bool icade_enabled;
static bool small_keyboard_enabled;
static bool small_keyboard_active;
static uint32_t icade_buttons;
static bool handle_small_keyboard(unsigned* code, bool down)
{
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 }
};
static uint8_t mapping[128];
static bool map_initialized;
if (!map_initialized)
{
for (int 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;
}
unsigned translated_code = (*code < 128) ? mapping[*code] : 0;
// Allow old keys to be released
if (!down && g_current_input_data.keys[*code])
return false;
if ((!down && g_current_input_data.keys[translated_code]) ||
small_keyboard_active)
{
*code = translated_code;
return true;
}
return false;
}
void apple_input_enable_small_keyboard(bool on)
{
small_keyboard_enabled = on;
}
static void handle_icade_event(unsigned keycode)
{
static const struct
{
bool up;
int button;
} icade_map[0x20] =
{
{ false, -1 }, { false, -1 }, { false, -1 }, { false, -1 }, // 0
{ false, 2 }, { false, -1 }, { true , 3 }, { false, 3 }, // 4
{ true , 0 }, { true, 5 }, { true , 7 }, { false, 8 }, // 8
{ false, 6 }, { false, 9 }, { false, 10 }, { false, 11 }, // C
{ true , 6 }, { true , 9 }, { false, 7 }, { true, 10 }, // 0
{ true , 2 }, { true , 8 }, { false, -1 }, { true , 4 }, // 4
{ false, 5 }, { true , 11 }, { false, 0 }, { false, 1 }, // 8
{ false, 4 }, { true , 1 }, { false, -1 }, { false, -1 } // C
};
if (icade_enabled && (keycode < 0x20) && (icade_map[keycode].button >= 0))
{
const int button = icade_map[keycode].button;
if (icade_map[keycode].up)
icade_buttons &= ~(1 << button);
else
icade_buttons |= (1 << button);
}
}
void apple_input_enable_icade(bool on)
{
icade_enabled = on;
icade_buttons = 0;
}
uint32_t apple_input_get_icade_buttons(void)
{
return icade_enabled ? icade_buttons : 0;
}
void apple_input_reset_icade_buttons(void)
{
icade_buttons = 0;
}
void apple_input_keyboard_event(bool down, unsigned code, uint32_t character, uint32_t mod)
{
code = HIDKEY(code);
if (icade_enabled)
{
handle_icade_event(code);
return;
}
if (small_keyboard_enabled && handle_small_keyboard(&code, down))
character = 0;
if (code == 0 || code >= MAX_KEYS)
return;
g_current_input_data.keys[code] = down;
/* This is copied here as it isn't defined in any standard iOS header */
enum
{
NSAlphaShiftKeyMask = 1 << 16,
NSShiftKeyMask = 1 << 17,
NSControlKeyMask = 1 << 18,
NSAlternateKeyMask = 1 << 19,
NSCommandKeyMask = 1 << 20,
NSNumericPadKeyMask = 1 << 21,
NSHelpKeyMask = 1 << 22,
NSFunctionKeyMask = 1 << 23,
NSDeviceIndependentModifierFlagsMask = 0xffff0000U
};
enum retro_mod mods = RETROKMOD_NONE;
mods |= (mod & NSAlphaShiftKeyMask) ? RETROKMOD_CAPSLOCK : 0;
mods |= (mod & NSShiftKeyMask) ? RETROKMOD_SHIFT : 0;
mods |= (mod & NSControlKeyMask) ? RETROKMOD_CTRL : 0;
mods |= (mod & NSAlternateKeyMask) ? RETROKMOD_ALT : 0;
mods |= (mod & NSCommandKeyMask) ? RETROKMOD_META : 0;
mods |= (mod & NSNumericPadKeyMask) ? RETROKMOD_NUMLOCK : 0;
input_keyboard_event(down, input_translate_keysym_to_rk(code), character, mods);
}
int32_t apple_input_find_any_key(void)
{
unsigned i;
#ifdef IOS
apple_gamecontroller_poll_all();
#endif
input_init_keyboard_lut(apple_key_map_hidusage);
for (i = 0; apple_key_name_map[i].hid_id; i++)
if (g_current_input_data.keys[apple_key_name_map[i].hid_id])
return apple_key_name_map[i].hid_id;
return 0;
}
int32_t apple_input_find_any_button(uint32_t port)
{
unsigned i, buttons;
#ifdef IOS
apple_gamecontroller_poll_all();
#endif
buttons = g_current_input_data.pad_buttons[port] |
((port == 0) ? apple_input_get_icade_buttons() : 0);
if (buttons)
for (i = 0; i != 32; i ++)
if (buttons & (1 << i))
return i;
return -1;
}
int32_t apple_input_find_any_axis(uint32_t port)
{
#ifdef IOS
apple_gamecontroller_poll_all();
#endif
for (int i = 0; i < 4; i++)
{
int16_t value = g_current_input_data.pad_axis[port][i];
if (abs(value) > 0x4000)
return (value < 0) ? -(i + 1) : i + 1;
}
return 0;
}
// Game thread interface
static bool apple_key_pressed(enum retro_key key)
{
if ((int)key >= 0 && key < RETROK_LAST)
return g_current_input_data.keys[input_translate_rk_to_keysym(key)];
return false;
}
static bool apple_is_pressed(unsigned port_num, const struct retro_keybind *binds, unsigned key)
{
return apple_key_pressed(binds[key].key) || input_joypad_pressed(joypad, port_num, binds, key);
}
// Exported input driver
static void *apple_input_init(void)
{
if (driver.input_data)
return driver.input_data;
input_init_keyboard_lut(apple_key_map_hidusage);
memset(&g_current_input_data, 0, sizeof(g_current_input_data));
joypad = input_joypad_init_driver(g_settings.input.joypad_driver);
driver.input_data_own = true;
return (void*)-1;
}
static void apple_input_poll(void *data)
{
uint32_t i;
(void)data;
#ifdef IOS
apple_gamecontroller_poll_all();
#endif
for (i = 0; i < g_current_input_data.touch_count; i++)
{
input_translate_coord_viewport(g_current_input_data.touches[i].screen_x, g_current_input_data.touches[i].screen_y,
&g_current_input_data.touches[i].fixed_x, &g_current_input_data.touches[i].fixed_y,
&g_current_input_data.touches[i].full_x, &g_current_input_data.touches[i].full_y);
}
if (joypad)
joypad->poll();
g_current_input_data.pad_buttons[0] |= apple_input_get_icade_buttons();
g_current_input_data.mouse_delta[0] = 0;
g_current_input_data.mouse_delta[1] = 0;
}
static int16_t apple_input_state(void *data, const struct retro_keybind **binds, unsigned port, unsigned device, unsigned index, unsigned id)
{
(void)data;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return (id < RARCH_BIND_LIST_END) ? apple_is_pressed(port, binds[port], id) : 0;
case RETRO_DEVICE_ANALOG:
return input_joypad_analog(joypad, port, index, id, binds[port]);
case RETRO_DEVICE_KEYBOARD:
return apple_key_pressed(id);
case RETRO_DEVICE_MOUSE:
{
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return g_current_input_data.mouse_delta[0];
case RETRO_DEVICE_ID_MOUSE_Y:
return g_current_input_data.mouse_delta[1];
case RETRO_DEVICE_ID_MOUSE_LEFT:
return g_current_input_data.mouse_buttons & 1;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return g_current_input_data.mouse_buttons & 2;
}
}
case RETRO_DEVICE_POINTER:
case RARCH_DEVICE_POINTER_SCREEN:
{
const bool want_full = device == RARCH_DEVICE_POINTER_SCREEN;
if (index < g_current_input_data.touch_count && index < MAX_TOUCHES)
{
const apple_touch_data_t *touch = (const apple_touch_data_t *)&g_current_input_data.touches[index];
int16_t x = want_full ? touch->full_x : touch->fixed_x;
int16_t y = want_full ? touch->full_y : touch->fixed_y;
switch (id)
{
case RETRO_DEVICE_ID_POINTER_PRESSED:
return (x != -0x8000) && (y != -0x8000);
case RETRO_DEVICE_ID_POINTER_X:
return x;
case RETRO_DEVICE_ID_POINTER_Y:
return y;
}
}
return 0;
}
default:
return 0;
}
}
static bool apple_bind_button_pressed(void *data, int key)
{
const struct retro_keybind *binds = g_settings.input.binds[0];
(void)data;
return (key >= 0 && key < RARCH_BIND_LIST_END) ? apple_is_pressed(0, binds, key) : false;
}
static void apple_input_free_input(void *data)
{
(void)data;
if (joypad)
joypad->destroy();
}
static bool apple_input_set_rumble(void *data, unsigned port, enum retro_rumble_effect effect, uint16_t strength)
{
(void)data;
return input_joypad_set_rumble(joypad, port, effect, strength);
}
static uint64_t apple_input_get_capabilities(void *data)
{
uint64_t caps = 0;
(void)data;
caps |= (1 << RETRO_DEVICE_JOYPAD);
caps |= (1 << RETRO_DEVICE_MOUSE);
caps |= (1 << RETRO_DEVICE_KEYBOARD);
caps |= (1 << RETRO_DEVICE_POINTER);
caps |= (1 << RETRO_DEVICE_ANALOG);
return caps;
}
static const rarch_joypad_driver_t *apple_get_joypad_driver(void *data)
{
return joypad;
}
input_driver_t input_apple = {
apple_input_init,
apple_input_poll,
apple_input_state,
apple_bind_button_pressed,
apple_input_free_input,
NULL,
NULL,
apple_input_get_capabilities,
"apple_input",
NULL,
apple_input_set_rumble,
apple_get_joypad_driver
};
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