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RetroArch/input/drivers/cocoa_input.c
twinaphex 5f08605680 Refactor joypad drivers
2020-08-30 05:29:32 +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>
#include <retro_miscellaneous.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include "../input_keymaps.h"
#include "cocoa_input.h"
#include "../../retroarch.h"
#include "../../driver.h"
#include "../drivers_keyboard/keyboard_event_apple.h"
/* TODO/FIXME -
* fix game focus toggle */
/* Forward declarations */
float get_backing_scale_factor(void);
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);
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);
}
}
static int16_t cocoa_mouse_state(cocoa_input_data_t *apple,
unsigned id)
{
int16_t val;
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
val = apple->window_pos_x - apple->mouse_x_last;
apple->mouse_x_last = apple->window_pos_x;
return val;
case RETRO_DEVICE_ID_MOUSE_Y:
val = apple->window_pos_y - apple->mouse_y_last;
apple->mouse_y_last = apple->window_pos_y;
return val;
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;
case RETRO_DEVICE_ID_POINTER_COUNT:
return apple->touch_count;
}
}
return 0;
}
static int16_t cocoa_input_state(
void *data,
const input_device_driver_t *joypad,
const input_device_driver_t *sec_joypad,
rarch_joypad_info_t *joypad_info,
const struct retro_keybind **binds, unsigned port,
unsigned device, unsigned idx, unsigned id)
{
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
if (id == RETRO_DEVICE_ID_JOYPAD_MASK)
{
unsigned i;
/* Do a bitwise OR to combine both input
* states together */
int16_t ret = joypad->state(
joypad_info, binds[port], port)
#ifdef HAVE_MFI
| sec_joypad->state(
joypad_info, binds[port], port)
#endif
;
if (!input_cocoa.keyboard_mapping_blocked)
{
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
{
if (
(binds[port][i].key < RETROK_LAST) &&
apple_key_state[rarch_keysym_lut[binds[port][i].key]] & 0x80)
ret |= (1 << i);
}
}
return ret;
}
else
{
if (binds[port][id].valid)
{
if (button_is_pressed(
joypad,
joypad_info, binds[port], port, id))
return 1;
#ifdef HAVE_MFI
else if (button_is_pressed(
sec_joypad,
joypad_info, binds[port], port, id))
return 1;
#endif
else if (id < RARCH_BIND_LIST_END)
if (apple_key_state[rarch_keysym_lut[binds[port][id].key]])
return 1;
}
}
break;
case RETRO_DEVICE_ANALOG:
break;
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 void cocoa_input_free(void *data)
{
unsigned i;
cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
if (!apple || !data)
return;
for (i = 0; i < MAX_KEYS; i++)
apple_key_state[i] = 0;
free(apple);
}
static bool cocoa_input_set_rumble(
const input_device_driver_t *joypad,
const input_device_driver_t *sec_joypad,
unsigned port, enum retro_rumble_effect effect, uint16_t strength)
{
if (joypad)
return input_joypad_set_rumble(joypad,
port, effect, strength);
#ifdef HAVE_MFI
if (sec_joypad)
return input_joypad_set_rumble(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);
}
input_driver_t input_cocoa = {
cocoa_input_init,
cocoa_input_poll,
cocoa_input_state,
cocoa_input_free,
NULL,
NULL,
cocoa_input_get_capabilities,
"cocoa",
NULL, /* grab_mouse */
NULL,
cocoa_input_set_rumble,
false
};
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