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RetroArch/input/drivers/cocoa_input.c
twinaphex e16371b8a5 Merge input_config.c and input_driver.c
2017-08-31 02:25:04 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - 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_driver.h"
#include "../input_keymaps.h"
#include "cocoa_input.h"
#include "../../gfx/video_driver.h"
#include "../../driver.h"
#include "../drivers_keyboard/keyboard_event_apple.h"
/* Forward declarations */
float get_backing_scale_factor(void);
int32_t cocoa_input_find_any_key(void)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)input_driver_get_data();
if (!apple)
return 0;
if (apple->joypad)
apple->joypad->poll();
if (apple->sec_joypad)
apple->sec_joypad->poll();
return apple_keyboard_find_any_key();
}
static int cocoa_input_find_any_button_ret(cocoa_input_data_t *apple,
unsigned buttons, unsigned port)
{
unsigned i;
if (buttons)
for (i = 0; i < 32; i++)
if (buttons & (1 << i))
return i;
return -1;
}
int32_t cocoa_input_find_any_button(uint32_t port)
{
int ret = -1;
cocoa_input_data_t *apple = (cocoa_input_data_t*)input_driver_get_data();
if (!apple)
return -1;
if (apple->joypad)
{
apple->joypad->poll();
if (apple->joypad->get_buttons)
ret = cocoa_input_find_any_button_ret(apple, (unsigned)apple->joypad->get_buttons(port), port);
}
if (ret != -1)
return ret;
if (apple->sec_joypad)
{
apple->sec_joypad->poll();
if (apple->sec_joypad->get_buttons)
{
apple->sec_joypad->poll();
ret = cocoa_input_find_any_button_ret(apple, (unsigned)apple->sec_joypad->get_buttons(port), port);
}
}
if (ret != -1)
return ret;
return -1;
}
int32_t cocoa_input_find_any_axis(uint32_t port)
{
int i;
cocoa_input_data_t *apple = (cocoa_input_data_t*)input_driver_get_data();
if (apple && apple->joypad)
apple->joypad->poll();
if (apple && apple->sec_joypad)
apple->sec_joypad->poll();
for (i = 0; i < 6; i++)
{
int16_t value = apple->joypad ? apple->joypad->axis(port, i) : 0;
if (abs(value) > 0x4000)
return (value < 0) ? -(i + 1) : i + 1;
value = apple->sec_joypad ? apple->sec_joypad->axis(port, i) : value;
if (abs(value) > 0x4000)
return (value < 0) ? -(i + 1) : i + 1;
}
return 0;
}
static void *cocoa_input_init(const char *joypad_driver)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)calloc(1, sizeof(*apple));
if (!apple)
return NULL;
input_keymaps_init_keyboard_lut(rarch_key_map_apple_hid);
apple->joypad = input_joypad_init_driver(joypad_driver, apple);
#ifdef HAVE_MFI
apple->sec_joypad = input_joypad_init_driver("mfi", apple);
#endif
return apple;
}
static void cocoa_input_poll(void *data)
{
uint32_t i;
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
#ifndef IOS
float backing_scale_factor = get_backing_scale_factor();
#endif
if (!apple)
return;
for (i = 0; i < apple->touch_count; i++)
{
struct video_viewport vp;
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
#ifndef IOS
apple->touches[i].screen_x *= backing_scale_factor;
apple->touches[i].screen_y *= backing_scale_factor;
#endif
video_driver_translate_coord_viewport_wrap(
&vp,
apple->touches[i].screen_x,
apple->touches[i].screen_y,
&apple->touches[i].fixed_x,
&apple->touches[i].fixed_y,
&apple->touches[i].full_x,
&apple->touches[i].full_y);
}
if (apple->joypad)
apple->joypad->poll();
if (apple->sec_joypad)
apple->sec_joypad->poll();
apple->mouse_x_last = apple->mouse_rel_x;
apple->mouse_y_last = apple->mouse_rel_y;
}
static int16_t cocoa_mouse_state(cocoa_input_data_t *apple,
unsigned id)
{
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return apple->mouse_rel_x - apple->mouse_x_last;
case RETRO_DEVICE_ID_MOUSE_Y:
return apple->mouse_rel_y - apple->mouse_y_last;
case RETRO_DEVICE_ID_MOUSE_LEFT:
return apple->mouse_buttons & 1;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return apple->mouse_buttons & 2;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
return apple->mouse_wu;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
return apple->mouse_wd;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
return apple->mouse_wl;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
return apple->mouse_wr;
}
return 0;
}
static int16_t cocoa_mouse_state_screen(cocoa_input_data_t *apple,
unsigned id)
{
int16_t val;
#ifndef IOS
float backing_scale_factor = get_backing_scale_factor();
#endif
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
val = apple->window_pos_x;
break;
case RETRO_DEVICE_ID_MOUSE_Y:
val = apple->window_pos_y;
break;
default:
return cocoa_mouse_state(apple, id);
}
#ifndef IOS
val *= backing_scale_factor;
#endif
return val;
}
static int16_t cocoa_pointer_state(cocoa_input_data_t *apple,
unsigned device, unsigned idx, unsigned id)
{
const bool want_full = (device == RARCH_DEVICE_POINTER_SCREEN);
if (idx < apple->touch_count && (idx < MAX_TOUCHES))
{
int16_t x, y;
const cocoa_touch_data_t *touch = (const cocoa_touch_data_t *)
&apple->touches[idx];
if (!touch)
return 0;
x = touch->fixed_x;
y = touch->fixed_y;
if (want_full)
{
x = touch->full_x;
y = touch->full_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;
}
static int16_t cocoa_input_state(void *data,
rarch_joypad_info_t joypad_info,
const struct retro_keybind **binds, unsigned port,
unsigned device, unsigned idx, unsigned id)
{
int16_t ret = 0;
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
if (id < RARCH_BIND_LIST_END)
ret = apple_key_state[rarch_keysym_lut[binds[port][id].key]];
if (!ret)
ret = input_joypad_pressed(apple->joypad, joypad_info, port, binds[port], id);
#ifdef HAVE_MFI
if (!ret)
ret = input_joypad_pressed(apple->sec_joypad, joypad_info, port, binds[port], id);
#endif
return ret;
case RETRO_DEVICE_ANALOG:
#ifdef HAVE_MFI
ret = input_joypad_analog(apple->sec_joypad, joypad_info, port,
idx, id, binds[port]);
#endif
if (!ret && binds[port])
ret = input_joypad_analog(apple->joypad, joypad_info, port,
idx, id, binds[port]);
return ret;
case RETRO_DEVICE_KEYBOARD:
return (id < RETROK_LAST) && apple_key_state[rarch_keysym_lut[(enum retro_key)id]];
case RETRO_DEVICE_MOUSE:
return cocoa_mouse_state(apple, id);
case RARCH_DEVICE_MOUSE_SCREEN:
return cocoa_mouse_state_screen(apple, id);
case RETRO_DEVICE_POINTER:
case RARCH_DEVICE_POINTER_SCREEN:
return cocoa_pointer_state(apple, device, idx, id);
}
return 0;
}
static bool cocoa_input_meta_key_pressed(void *data, int key)
{
return false;
}
static void cocoa_input_free(void *data)
{
unsigned i;
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
if (!apple || !data)
return;
if (apple->joypad)
apple->joypad->destroy();
if (apple->sec_joypad)
apple->sec_joypad->destroy();
for (i = 0; i < MAX_KEYS; i++)
apple_key_state[i] = 0;
free(apple);
}
static bool cocoa_input_set_rumble(void *data,
unsigned port, enum retro_rumble_effect effect, uint16_t strength)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
if (apple && apple->joypad)
return input_joypad_set_rumble(apple->joypad,
port, effect, strength);
#ifdef HAVE_MFI
if (apple && apple->sec_joypad)
return input_joypad_set_rumble(apple->sec_joypad,
port, effect, strength);
#endif
return false;
}
static uint64_t cocoa_input_get_capabilities(void *data)
{
(void)data;
return
(1 << RETRO_DEVICE_JOYPAD) |
(1 << RETRO_DEVICE_MOUSE) |
(1 << RETRO_DEVICE_KEYBOARD) |
(1 << RETRO_DEVICE_POINTER) |
(1 << RETRO_DEVICE_ANALOG);
}
static void cocoa_input_grab_mouse(void *data, bool state)
{
/* Dummy for now. Might be useful in the future. */
(void)data;
(void)state;
}
static const input_device_driver_t *cocoa_input_get_sec_joypad_driver(void *data)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
if (apple && apple->sec_joypad)
return apple->sec_joypad;
return NULL;
}
static const input_device_driver_t *cocoa_input_get_joypad_driver(void *data)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
if (apple && apple->joypad)
return apple->joypad;
return NULL;
}
static bool cocoa_input_keyboard_mapping_is_blocked(void *data)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
if (!apple)
return false;
return apple->blocked;
}
static void cocoa_input_keyboard_mapping_set_block(void *data, bool value)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
if (!apple)
return;
apple->blocked = value;
}
input_driver_t input_cocoa = {
cocoa_input_init,
cocoa_input_poll,
cocoa_input_state,
cocoa_input_meta_key_pressed,
cocoa_input_free,
NULL,
NULL,
cocoa_input_get_capabilities,
"cocoa",
cocoa_input_grab_mouse,
NULL,
cocoa_input_set_rumble,
cocoa_input_get_joypad_driver,
cocoa_input_get_sec_joypad_driver,
cocoa_input_keyboard_mapping_is_blocked,
cocoa_input_keyboard_mapping_set_block,
};
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