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RetroArch/menu/widgets/menu_input_bind_dialog.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* 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 <compat/strl.h>
#include <features/features_cpu.h>
#include "menu_input_bind_dialog.h"
#include "../menu_driver.h"
#include "../../input/input_driver.h"
#include "../../configuration.h"
#include "../../performance_counters.h"
#define MENU_MAX_BUTTONS 219
#define MENU_MAX_AXES 32
#define MENU_MAX_HATS 4
#define MENU_MAX_MBUTTONS 32 /*enough to cover largest libretro constant*/
struct menu_bind_state_port
{
bool mbuttons[MENU_MAX_MBUTTONS];
bool buttons[MENU_MAX_BUTTONS];
int16_t axes[MENU_MAX_AXES];
uint16_t hats[MENU_MAX_HATS];
};
struct menu_bind_axis_state
{
/* Default axis state. */
int16_t rested_axes[MENU_MAX_AXES];
/* Locked axis state. If we configured an axis,
* avoid having the same axis state trigger something again right away. */
int16_t locked_axes[MENU_MAX_AXES];
};
struct menu_bind_state
{
struct retro_keybind *target;
/* For keyboard binding. */
rarch_timer_t timer;
unsigned begin;
unsigned last;
unsigned user;
struct menu_bind_state_port state[MAX_USERS];
struct menu_bind_axis_state axis_state[MAX_USERS];
bool skip;
};
static unsigned menu_bind_port = 0;
static struct menu_bind_state menu_input_binds = {0};
static bool menu_input_key_bind_custom_bind_keyboard_cb(
void *data, unsigned code)
{
settings_t *settings = config_get_ptr();
menu_input_binds.target->key = (enum retro_key)code;
menu_input_binds.begin++;
menu_input_binds.target++;
rarch_timer_begin_new_time(&menu_input_binds.timer, settings->uints.input_bind_timeout);
return (menu_input_binds.begin <= menu_input_binds.last);
}
static int menu_input_key_bind_set_mode_common(
enum menu_input_binds_ctl_state state,
rarch_setting_t *setting)
{
menu_displaylist_info_t info;
unsigned bind_type = 0;
struct retro_keybind *keybind = NULL;
unsigned index_offset = setting->index_offset;
file_list_t *menu_stack = menu_entries_get_menu_stack_ptr(0);
size_t selection = menu_navigation_get_selection();
menu_displaylist_info_init(&info);
switch (state)
{
case MENU_INPUT_BINDS_CTL_BIND_SINGLE:
keybind = (struct retro_keybind*)setting_get_ptr(setting);
if (!keybind)
return -1;
bind_type = setting_get_bind_type(setting);
menu_input_binds.begin = bind_type;
menu_input_binds.last = bind_type;
menu_input_binds.target = keybind;
menu_input_binds.user = index_offset;
info.list = menu_stack;
info.type = MENU_SETTINGS_CUSTOM_BIND_KEYBOARD;
info.directory_ptr = selection;
info.enum_idx = MENU_ENUM_LABEL_CUSTOM_BIND;
info.label = strdup(
msg_hash_to_str(MENU_ENUM_LABEL_CUSTOM_BIND));
if (menu_displaylist_ctl(DISPLAYLIST_INFO, &info))
menu_displaylist_process(&info);
menu_displaylist_info_free(&info);
break;
case MENU_INPUT_BINDS_CTL_BIND_ALL:
menu_input_binds.target = &input_config_binds[index_offset][0];
menu_input_binds.begin = MENU_SETTINGS_BIND_BEGIN;
menu_input_binds.last = MENU_SETTINGS_BIND_LAST;
info.list = menu_stack;
info.type = MENU_SETTINGS_CUSTOM_BIND_KEYBOARD;
info.directory_ptr = selection;
info.enum_idx = MENU_ENUM_LABEL_CUSTOM_BIND_ALL;
info.label = strdup(
msg_hash_to_str(MENU_ENUM_LABEL_CUSTOM_BIND_ALL));
if (menu_displaylist_ctl(DISPLAYLIST_INFO, &info))
menu_displaylist_process(&info);
menu_displaylist_info_free(&info);
break;
default:
case MENU_INPUT_BINDS_CTL_BIND_NONE:
break;
}
return 0;
}
static void menu_input_key_bind_poll_bind_get_rested_axes(
struct menu_bind_state *state, unsigned port)
{
unsigned a;
const input_device_driver_t *joypad =
input_driver_get_joypad_driver();
const input_device_driver_t *sec_joypad =
input_driver_get_sec_joypad_driver();
if (!state || !joypad)
return;
/* poll only the relevant port */
for (a = 0; a < MENU_MAX_AXES; a++)
state->axis_state[port].rested_axes[a] =
input_joypad_axis_raw(joypad, port, a);
if (sec_joypad)
{
/* poll only the relevant port */
for (a = 0; a < MENU_MAX_AXES; a++)
state->axis_state[port].rested_axes[a] =
input_joypad_axis_raw(sec_joypad, port, a);
}
}
static void menu_input_key_bind_poll_bind_state_internal(
const input_device_driver_t *joypad,
struct menu_bind_state *state,
unsigned port,
bool timed_out)
{
unsigned b, a, h;
if (!joypad)
return;
if (joypad->poll)
joypad->poll();
/* poll only the relevant port */
for (b = 0; b < MENU_MAX_BUTTONS; b++)
state->state[port].buttons[b] =
input_joypad_button_raw(joypad, port, b);
for (a = 0; a < MENU_MAX_AXES; a++)
state->state[port].axes[a] =
input_joypad_axis_raw(joypad, port, a);
for (h = 0; h < MENU_MAX_HATS; h++)
{
if (input_joypad_hat_raw(joypad, port, HAT_UP_MASK, h))
state->state[port].hats[h] |= HAT_UP_MASK;
if (input_joypad_hat_raw(joypad, port, HAT_DOWN_MASK, h))
state->state[port].hats[h] |= HAT_DOWN_MASK;
if (input_joypad_hat_raw(joypad, port, HAT_LEFT_MASK, h))
state->state[port].hats[h] |= HAT_LEFT_MASK;
if (input_joypad_hat_raw(joypad, port, HAT_RIGHT_MASK, h))
state->state[port].hats[h] |= HAT_RIGHT_MASK;
}
}
static void menu_input_key_bind_poll_bind_state(
struct menu_bind_state *state,
unsigned port,
bool timed_out)
{
unsigned b;
rarch_joypad_info_t joypad_info;
const input_driver_t *input_ptr = input_get_ptr();
void *input_data = input_get_data();
const input_device_driver_t *joypad =
input_driver_get_joypad_driver();
const input_device_driver_t *sec_joypad =
input_driver_get_sec_joypad_driver();
if (!state)
return;
memset(state->state, 0, sizeof(state->state));
/* poll mouse (on the relevant port) */
for (b = 0; b < MENU_MAX_MBUTTONS; b++)
state->state[port].mbuttons[b] =
input_mouse_button_raw(port, b);
joypad_info.joy_idx = 0;
joypad_info.auto_binds = NULL;
joypad_info.axis_threshold = 0.0f;
state->skip = timed_out || input_ptr->input_state(input_data,
joypad_info,
NULL,
0, RETRO_DEVICE_KEYBOARD, 0, RETROK_RETURN);
menu_input_key_bind_poll_bind_state_internal(
joypad, state, port, timed_out);
if (sec_joypad)
menu_input_key_bind_poll_bind_state_internal(
sec_joypad, state, port, timed_out);
}
bool menu_input_key_bind_set_mode(
enum menu_input_binds_ctl_state state, void *data)
{
unsigned index_offset;
input_keyboard_ctx_wait_t keys;
menu_handle_t *menu = NULL;
rarch_setting_t *setting = (rarch_setting_t*)data;
settings_t *settings = config_get_ptr();
if (!setting)
return false;
if (!menu_driver_ctl(RARCH_MENU_CTL_DRIVER_DATA_GET, &menu))
return false;
if (menu_input_key_bind_set_mode_common(state, setting) == -1)
return false;
index_offset = setting->index_offset;
menu_bind_port = settings->uints.input_joypad_map[index_offset];
menu_input_key_bind_poll_bind_get_rested_axes(
&menu_input_binds, menu_bind_port);
menu_input_key_bind_poll_bind_state(
&menu_input_binds, menu_bind_port, false);
rarch_timer_begin_new_time(&menu_input_binds.timer, settings->uints.input_bind_timeout);
keys.userdata = menu;
keys.cb = menu_input_key_bind_custom_bind_keyboard_cb;
input_keyboard_ctl(RARCH_INPUT_KEYBOARD_CTL_START_WAIT_KEYS, &keys);
return true;
}
static bool menu_input_key_bind_poll_find_trigger_pad(
struct menu_bind_state *state,
struct menu_bind_state *new_state,
unsigned p)
{
unsigned a, b, h;
const struct menu_bind_state_port *n = (const struct menu_bind_state_port*)
&new_state->state[p];
const struct menu_bind_state_port *o = (const struct menu_bind_state_port*)
&state->state[p];
for (b = 0; b < MENU_MAX_MBUTTONS; b++)
{
bool iterate = n->mbuttons[b] && !o->mbuttons[b];
if (!iterate)
continue;
switch ( b )
{
case RETRO_DEVICE_ID_MOUSE_LEFT:
case RETRO_DEVICE_ID_MOUSE_RIGHT:
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
case RETRO_DEVICE_ID_MOUSE_BUTTON_4:
case RETRO_DEVICE_ID_MOUSE_BUTTON_5:
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
state->target->mbutton = b;
return true;
}
}
for (b = 0; b < MENU_MAX_BUTTONS; b++)
{
bool iterate = n->buttons[b] && !o->buttons[b];
if (!iterate)
continue;
state->target->joykey = b;
state->target->joyaxis = AXIS_NONE;
return true;
}
/* Axes are a bit tricky ... */
for (a = 0; a < MENU_MAX_AXES; a++)
{
int locked_distance = abs(n->axes[a] -
new_state->axis_state[p].locked_axes[a]);
int rested_distance = abs(n->axes[a] -
new_state->axis_state[p].rested_axes[a]);
if (abs(n->axes[a]) >= 20000 &&
locked_distance >= 20000 &&
rested_distance >= 20000)
{
/* Take care of case where axis rests on +/- 0x7fff
* (e.g. 360 controller on Linux) */
state->target->joyaxis = n->axes[a] > 0
? AXIS_POS(a) : AXIS_NEG(a);
state->target->joykey = NO_BTN;
/* Lock the current axis */
new_state->axis_state[p].locked_axes[a] =
n->axes[a] > 0 ?
0x7fff : -0x7fff;
return true;
}
if (locked_distance >= 20000) /* Unlock the axis. */
new_state->axis_state[p].locked_axes[a] = 0;
}
for (h = 0; h < MENU_MAX_HATS; h++)
{
uint16_t trigged = n->hats[h] & (~o->hats[h]);
uint16_t sane_trigger = 0;
if (trigged & HAT_UP_MASK)
sane_trigger = HAT_UP_MASK;
else if (trigged & HAT_DOWN_MASK)
sane_trigger = HAT_DOWN_MASK;
else if (trigged & HAT_LEFT_MASK)
sane_trigger = HAT_LEFT_MASK;
else if (trigged & HAT_RIGHT_MASK)
sane_trigger = HAT_RIGHT_MASK;
if (sane_trigger)
{
state->target->joykey = HAT_MAP(h, sane_trigger);
state->target->joyaxis = AXIS_NONE;
return true;
}
}
return false;
}
static bool menu_input_key_bind_poll_find_trigger(
struct menu_bind_state *state,
struct menu_bind_state *new_state)
{
unsigned i;
unsigned max_users = *(input_driver_get_uint(INPUT_ACTION_MAX_USERS));
if (!state || !new_state)
return false;
for (i = 0; i < max_users; i++)
{
if (!menu_input_key_bind_poll_find_trigger_pad(
state, new_state, i))
continue;
return true;
}
return false;
}
bool menu_input_key_bind_set_min_max(menu_input_ctx_bind_limits_t *lim)
{
if (!lim)
return false;
menu_input_binds.begin = lim->min;
menu_input_binds.last = lim->max;
return true;
}
bool menu_input_key_bind_iterate(menu_input_ctx_bind_t *bind)
{
struct menu_bind_state binds;
bool timed_out = false;
settings_t *settings = config_get_ptr();
rarch_timer_tick(&menu_input_binds.timer);
if (!bind)
return false;
if (rarch_timer_has_expired(&menu_input_binds.timer))
{
input_driver_keyboard_mapping_set_block(false);
menu_input_binds.begin++;
menu_input_binds.target++;
rarch_timer_begin_new_time(&menu_input_binds.timer, settings->uints.input_bind_timeout);
timed_out = true;
}
snprintf(bind->s, bind->len,
"[%s]\npress keyboard, mouse or joypad\n(timeout %d %s)",
input_config_bind_map_get_desc(
menu_input_binds.begin - MENU_SETTINGS_BIND_BEGIN),
rarch_timer_get_timeout(&menu_input_binds.timer),
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_SECONDS));
/* binds.begin is updated in keyboard_press callback. */
if (menu_input_binds.begin > menu_input_binds.last)
{
/* Avoid new binds triggering things right away. */
input_driver_set_flushing_input();
/* We won't be getting any key events, so just cancel early. */
if (timed_out)
input_keyboard_ctl(RARCH_INPUT_KEYBOARD_CTL_CANCEL_WAIT_KEYS, NULL);
return true;
}
binds = menu_input_binds;
input_driver_keyboard_mapping_set_block(true);
menu_input_key_bind_poll_bind_state(&binds, menu_bind_port, timed_out);
if ((binds.skip && !menu_input_binds.skip) ||
menu_input_key_bind_poll_find_trigger(&menu_input_binds, &binds))
{
input_driver_keyboard_mapping_set_block(false);
/* Avoid new binds triggering things right away. */
input_driver_set_flushing_input();
binds.begin++;
if (binds.begin > binds.last)
{
input_keyboard_ctl(RARCH_INPUT_KEYBOARD_CTL_CANCEL_WAIT_KEYS, NULL);
return true;
}
binds.target++;
rarch_timer_begin_new_time(&binds.timer, settings->uints.input_bind_timeout);
}
menu_input_binds = binds;
return false;
}
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