RetroArch/frontend/menu/menu_input_line_cb.c
2014-09-06 01:34:05 +02:00

354 lines
10 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <ctype.h>
#include "menu_common.h"
#include "../../input/keyboard_line.h"
#include "menu_input_line_cb.h"
#include "../../settings_data.h"
/* forward decls */
void menu_common_setting_set_current_string(rarch_setting_t *setting,
const char *str);
void menu_common_set_current_string_based_on_label(
const char *label, const char *str);
void menu_key_start_line(void *data, const char *label,
const char *label_setting, input_keyboard_line_complete_t cb)
{
menu_handle_t *menu = (menu_handle_t*)data;
if (!menu)
return;
menu->keyboard.display = true;
menu->keyboard.label = label;
menu->keyboard.label_setting = label_setting;
menu->keyboard.buffer = input_keyboard_start_line(menu, cb);
}
static void menu_key_end_line(void *data)
{
menu_handle_t *menu = (menu_handle_t*)data;
if (!menu)
return;
menu->keyboard.display = false;
menu->keyboard.label = NULL;
menu->keyboard.label_setting = NULL;
/* Avoid triggering states on pressing return. */
menu->old_input_state = -1ULL;
}
static void menu_search_callback(void *userdata, const char *str)
{
menu_handle_t *menu = (menu_handle_t*)userdata;
if (str && *str)
file_list_search(menu->selection_buf, str, &menu->selection_ptr);
menu_key_end_line(menu);
}
void st_uint_callback(void *userdata, const char *str)
{
menu_handle_t *menu = (menu_handle_t*)userdata;
rarch_setting_t *current_setting = NULL;
rarch_setting_t *setting_data = (rarch_setting_t *)setting_data_get_list();
if (str && *str && setting_data)
{
if ((current_setting = (rarch_setting_t*)
setting_data_find_setting(
setting_data, menu->keyboard.label_setting)))
*current_setting->value.unsigned_integer = strtoul(str, NULL, 0);
}
menu_key_end_line(menu);
}
void st_string_callback(void *userdata, const char *str)
{
menu_handle_t *menu = (menu_handle_t*)userdata;
rarch_setting_t *current_setting = NULL;
rarch_setting_t *setting_data = (rarch_setting_t *)setting_data_get_list();
if (str && *str && setting_data)
{
if ((current_setting = (rarch_setting_t*)
setting_data_find_setting(
setting_data, menu->keyboard.label_setting)))
menu_common_setting_set_current_string(current_setting, str);
else
menu_common_set_current_string_based_on_label(menu->keyboard.label_setting, str);
}
menu_key_end_line(menu);
}
void menu_key_event(bool down, unsigned keycode, uint32_t character, uint16_t mod)
{
if (!driver.menu)
{
RARCH_ERR("Cannot invoke menu key event callback, menu handle is not initialized.\n");
return;
}
(void)down;
(void)keycode;
(void)mod;
if (character == '/')
{
driver.menu->keyboard.display = true;
driver.menu->keyboard.label = "Search: ";
driver.menu->keyboard.buffer =
input_keyboard_start_line(driver.menu, menu_search_callback);
}
}
void menu_poll_bind_state(struct menu_bind_state *state)
{
unsigned i, b, a, h;
const rarch_joypad_driver_t *joypad = NULL;
if (!state)
return;
memset(state->state, 0, sizeof(state->state));
state->skip = driver.input->input_state(driver.input_data, NULL, 0,
RETRO_DEVICE_KEYBOARD, 0, RETROK_RETURN);
if (driver.input && driver.input_data && driver.input->get_joypad_driver)
joypad = driver.input->get_joypad_driver(driver.input_data);
if (!joypad)
{
RARCH_ERR("Cannot poll raw joypad state.");
return;
}
if (joypad->poll)
joypad->poll();
for (i = 0; i < MAX_PLAYERS; i++)
{
for (b = 0; b < MENU_MAX_BUTTONS; b++)
state->state[i].buttons[b] = input_joypad_button_raw(joypad, i, b);
for (a = 0; a < MENU_MAX_AXES; a++)
state->state[i].axes[a] = input_joypad_axis_raw(joypad, i, a);
for (h = 0; h < MENU_MAX_HATS; h++)
{
state->state[i].hats[h] |=
input_joypad_hat_raw(joypad, i, HAT_UP_MASK, h) ? HAT_UP_MASK : 0;
state->state[i].hats[h] |=
input_joypad_hat_raw(joypad, i, HAT_DOWN_MASK, h) ? HAT_DOWN_MASK : 0;
state->state[i].hats[h] |=
input_joypad_hat_raw(joypad, i, HAT_LEFT_MASK, h) ? HAT_LEFT_MASK : 0;
state->state[i].hats[h] |=
input_joypad_hat_raw(joypad, i, HAT_RIGHT_MASK, h) ? HAT_RIGHT_MASK : 0;
}
}
}
void menu_poll_bind_get_rested_axes(struct menu_bind_state *state)
{
unsigned i, a;
const rarch_joypad_driver_t *joypad = NULL;
if (!state)
return;
if (driver.input && driver.input_data && driver.input->get_joypad_driver)
joypad = driver.input->get_joypad_driver(driver.input_data);
if (!joypad)
{
RARCH_ERR("Cannot poll raw joypad state.");
return;
}
for (i = 0; i < MAX_PLAYERS; i++)
for (a = 0; a < MENU_MAX_AXES; a++)
state->axis_state[i].rested_axes[a] =
input_joypad_axis_raw(joypad, i, a);
}
static bool menu_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_BUTTONS; b++)
{
if (n->buttons[b] && !o->buttons[b])
{
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;
}
bool menu_poll_find_trigger(struct menu_bind_state *state,
struct menu_bind_state *new_state)
{
unsigned i;
if (!state || !new_state)
return false;
for (i = 0; i < MAX_PLAYERS; i++)
{
if (menu_poll_find_trigger_pad(state, new_state, i))
{
/* Update the joypad mapping automatically.
* More friendly that way. */
g_settings.input.joypad_map[state->player] = i;
return true;
}
}
return false;
}
bool menu_custom_bind_keyboard_cb(void *data, unsigned code)
{
menu_handle_t *menu = (menu_handle_t*)data;
if (!menu)
return false;
menu->binds.target->key = (enum retro_key)code;
menu->binds.begin++;
menu->binds.target++;
menu->binds.timeout_end = rarch_get_time_usec() +
MENU_KEYBOARD_BIND_TIMEOUT_SECONDS * 1000000;
return menu->binds.begin <= menu->binds.last;
}
uint64_t menu_input(void)
{
unsigned i;
uint64_t input_state = 0;
static const struct retro_keybind *binds[] = { g_settings.input.binds[0] };
if (!driver.menu)
return 0;
input_push_analog_dpad((struct retro_keybind*)binds[0],
(g_settings.input.analog_dpad_mode[0] == ANALOG_DPAD_NONE) ?
ANALOG_DPAD_LSTICK : g_settings.input.analog_dpad_mode[0]);
for (i = 0; i < MAX_PLAYERS; i++)
input_push_analog_dpad(g_settings.input.autoconf_binds[i],
g_settings.input.analog_dpad_mode[i]);
if (!driver.block_libretro_input)
{
for (i = 0; i < RETRO_DEVICE_ID_JOYPAD_R2; i++)
{
input_state |= driver.input->input_state(driver.input_data, binds,
0, RETRO_DEVICE_JOYPAD, 0, i) ? (1ULL << i) : 0;
#ifdef HAVE_OVERLAY
input_state |= (driver.overlay_state.buttons & (UINT64_C(1) << i))
? (1ULL << i) : 0;
#endif
}
}
input_state |= input_key_pressed_func(RARCH_MENU_TOGGLE)
? (1ULL << RARCH_MENU_TOGGLE) : 0;
input_pop_analog_dpad((struct retro_keybind*)binds[0]);
for (i = 0; i < MAX_PLAYERS; i++)
input_pop_analog_dpad(g_settings.input.autoconf_binds[i]);
driver.menu->trigger_state = input_state & ~driver.menu->old_input_state;
driver.menu->do_held = (input_state & (
(1ULL << RETRO_DEVICE_ID_JOYPAD_UP)
| (1ULL << RETRO_DEVICE_ID_JOYPAD_DOWN)
| (1ULL << RETRO_DEVICE_ID_JOYPAD_LEFT)
| (1ULL << RETRO_DEVICE_ID_JOYPAD_RIGHT)
| (1ULL << RETRO_DEVICE_ID_JOYPAD_L)
| (1ULL << RETRO_DEVICE_ID_JOYPAD_R)
)) && !(input_state & (1ULL << RARCH_MENU_TOGGLE));
return input_state;
}