RetroArch/menu/menu_driver.c
2015-10-26 19:41:20 +01:00

396 lines
10 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - 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 <string.h>
#include "menu.h"
#include "menu_display.h"
#include "../general.h"
#include "../string_list_special.h"
static bool menu_alive = false;
static const menu_ctx_driver_t *menu_ctx_drivers[] = {
#if defined(HAVE_RMENU)
&menu_ctx_rmenu,
#endif
#if defined(HAVE_RMENU_XUI)
&menu_ctx_rmenu_xui,
#endif
#if defined(HAVE_GLUI)
&menu_ctx_glui,
#endif
#if defined(HAVE_XMB)
&menu_ctx_xmb,
#endif
#if defined(HAVE_RGUI)
&menu_ctx_rgui,
#endif
#if defined(HAVE_ZARCH)
&menu_ctx_zarch,
#endif
&menu_ctx_null,
NULL
};
/**
* menu_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to menu driver at index. Can be NULL
* if nothing found.
**/
const void *menu_driver_find_handle(int idx)
{
const void *drv = menu_ctx_drivers[idx];
if (!drv)
return NULL;
return drv;
}
/**
* menu_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of menu driver at index. Can be NULL
* if nothing found.
**/
const char *menu_driver_find_ident(int idx)
{
const menu_ctx_driver_t *drv = menu_ctx_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* config_get_menu_driver_options:
*
* Get an enumerated list of all menu driver names,
* separated by '|'.
*
* Returns: string listing of all menu driver names,
* separated by '|'.
**/
const char *config_get_menu_driver_options(void)
{
return char_list_new_special(STRING_LIST_MENU_DRIVERS, NULL);
}
void find_menu_driver(void)
{
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
int i = find_driver_index("menu_driver", settings->menu.driver);
if (i >= 0)
driver->menu_ctx = (const menu_ctx_driver_t*)menu_driver_find_handle(i);
else
{
unsigned d;
RARCH_WARN("Couldn't find any menu driver named \"%s\"\n",
settings->menu.driver);
RARCH_LOG_OUTPUT("Available menu drivers are:\n");
for (d = 0; menu_driver_find_handle(d); d++)
RARCH_LOG_OUTPUT("\t%s\n", menu_driver_find_ident(d));
RARCH_WARN("Going to default to first menu driver...\n");
driver->menu_ctx = (const menu_ctx_driver_t*)menu_driver_find_handle(0);
if (!driver->menu_ctx)
retro_fail(1, "find_menu_driver()");
}
}
static void init_menu_fallback(void)
{
#ifdef HAVE_RGUI
settings_t *settings = config_get_ptr();
driver_t *driver = driver_get_ptr();
int i = find_driver_index("menu_driver", "rgui");
if (i >= 0)
{
driver->menu_ctx = (const menu_ctx_driver_t*)menu_driver_find_handle(i);
if (settings)
strlcpy(settings->menu.driver, "rgui", sizeof(settings->menu.driver));
}
#endif
}
menu_handle_t *menu_driver_get_ptr(void)
{
driver_t *driver = driver_get_ptr();
if (!driver || !driver->menu)
return NULL;
return driver->menu;
}
const menu_ctx_driver_t *menu_ctx_driver_get_ptr(void)
{
driver_t *driver = driver_get_ptr();
if (!driver || !driver->menu_ctx)
return NULL;
return driver->menu_ctx;
}
void init_menu(void)
{
const char *video_driver;
driver_t *driver = driver_get_ptr();
if (driver->menu)
return;
find_menu_driver();
video_driver = menu_video_get_ident();
switch (driver->menu_ctx->type)
{
case MENU_VIDEO_DRIVER_GENERIC:
break;
case MENU_VIDEO_DRIVER_DIRECT3D:
if (video_driver && (strcmp(video_driver, "d3d") != 0))
init_menu_fallback();
break;
case MENU_VIDEO_DRIVER_OPENGL:
if (video_driver && (strcmp(video_driver, "gl") != 0))
init_menu_fallback();
break;
}
if (!(driver->menu = (menu_handle_t*)menu_init(driver->menu_ctx)))
retro_fail(1, "init_menu()");
if (driver->menu_ctx->lists_init)
if (!driver->menu_ctx->lists_init(driver->menu))
retro_fail(1, "init_menu()");
}
void menu_driver_list_free(file_list_t *list, size_t idx, size_t list_size)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->list_free)
driver->list_free(list, idx, list_size);
file_list_free_userdata (list, idx);
file_list_free_actiondata(list, idx);
}
void menu_driver_context_destroy(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver && driver->context_destroy)
driver->context_destroy();
}
void menu_driver_list_set_selection(file_list_t *list)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver && driver->list_set_selection)
driver->list_set_selection(list);
}
size_t menu_driver_list_get_selection(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
menu_handle_t *menu = menu_driver_get_ptr();
if (driver && driver->list_get_selection)
return driver->list_get_selection(menu);
return 0;
}
bool menu_driver_list_push(menu_displaylist_info_t *info, unsigned type)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->list_push)
if (driver->list_push(info, type) == 0)
return true;
return false;
}
void menu_driver_list_cache(menu_list_type_t type, unsigned action)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->list_cache)
driver->list_cache(type, action);
}
size_t menu_driver_list_get_size(menu_list_type_t type)
{
menu_handle_t *menu = menu_driver_get_ptr();
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver && driver->list_get_size)
return driver->list_get_size(menu, type);
return 0;
}
void *menu_driver_list_get_entry(menu_list_type_t type, unsigned i)
{
menu_handle_t *menu = menu_driver_get_ptr();
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver && driver->list_get_entry)
return driver->list_get_entry(menu, type, i);
return NULL;
}
void menu_driver_set_texture(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->set_texture)
driver->set_texture();
}
void menu_driver_context_reset(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->context_reset)
driver->context_reset();
}
void menu_driver_frame(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->frame)
driver->frame();
}
int menu_driver_bind_init(menu_file_list_cbs_t *cbs,
const char *path, const char *label, unsigned type, size_t idx,
const char *elem0, const char *elem1,
uint32_t label_hash, uint32_t menu_label_hash)
{
int ret = 0;
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver && driver->bind_init)
ret = driver->bind_init(cbs, path, label, type, idx, elem0, elem1,
label_hash, menu_label_hash);
return ret;
}
void menu_driver_free(menu_handle_t *menu)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->free)
driver->free(menu);
}
bool menu_driver_alive(void)
{
return menu_alive;
}
int menu_driver_iterate(enum menu_action action)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->iterate)
return driver->iterate(action);
return -1;
}
void menu_driver_toggle(bool latch)
{
driver_t *driver = driver_get_ptr();
const menu_ctx_driver_t *menu_driver = menu_ctx_driver_get_ptr();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
if (menu_driver->toggle)
menu_driver->toggle(latch);
menu_alive = latch;
if (menu_alive == true)
{
menu_entries_set_refresh(false);
/* Menu should always run with vsync on. */
event_command(EVENT_CMD_VIDEO_SET_BLOCKING_STATE);
/* Stop all rumbling before entering the menu. */
event_command(EVENT_CMD_RUMBLE_STOP);
if (settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_STOP);
/* Override keyboard callback to redirect to menu instead.
* We'll use this later for something ...
* FIXME: This should probably be moved to menu_common somehow. */
if (global)
{
global->frontend_key_event = system->key_event;
system->key_event = menu_input_key_event;
system->frame_time_last = 0;
}
}
else
{
driver_set_nonblock_state(driver->nonblock_state);
if (settings && settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_START);
/* Prevent stray input from going to libretro core */
driver->flushing_input = true;
/* Restore libretro keyboard callback. */
if (global)
system->key_event = global->frontend_key_event;
}
}
bool menu_driver_load_image(void *data, menu_image_type_t type)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->load_image)
return driver->load_image(data, type);
return false;
}
bool menu_environment_cb(menu_environ_cb_t type, void *data)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->environ_cb)
{
int ret = driver->environ_cb(type, data);
if (ret == 0)
return true;
}
return false;
}