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RetroArch/menu/menu_driver.c

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/* 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 <string/string_list.h>
#include "menu_driver.h"
#include "menu.h"
#include "menu_entries_cbs.h"
#include "menu_displaylist.h"
#include "../driver.h"
#include "../general.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
&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)
{
union string_list_elem_attr attr;
unsigned i;
char *options = NULL;
int options_len = 0;
struct string_list *options_l = string_list_new();
attr.i = 0;
if (!options_l)
return NULL;
for (i = 0; menu_driver_find_handle(i); i++)
{
const char *opt = menu_driver_find_ident(i);
options_len += strlen(opt) + 1;
string_list_append(options_l, opt, attr);
}
options = (char*)calloc(options_len, sizeof(char));
if (!options)
{
string_list_free(options_l);
options_l = NULL;
return NULL;
}
string_list_join_concat(options, options_len, options_l, "|");
string_list_free(options_l);
options_l = NULL;
return options;
}
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)
rarch_fail(1, "find_menu_driver()");
}
}
void init_menu(void)
{
driver_t *driver = driver_get_ptr();
if (driver->menu)
return;
find_menu_driver();
if (!(driver->menu = (menu_handle_t*)menu_init(driver->menu_ctx)))
{
RARCH_ERR("Cannot initialize menu.\n");
rarch_fail(1, "init_menu()");
}
if (!(menu_displaylist_init(driver->menu)))
{
RARCH_ERR("Cannot initialize menu display list.\n");
rarch_fail(1, "init_menu()");
}
}
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 menu_driver_list_delete(file_list_t *list, size_t idx, size_t list_size)
{
menu_file_list_cbs_t *cbs = NULL;
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->list_delete)
driver->list_delete(list, idx, list_size);
if (!list)
return;
cbs = (menu_file_list_cbs_t*)list->list[idx].actiondata;
if (cbs)
{
memset(cbs, 0, sizeof(*cbs));
free(list->list[idx].actiondata);
}
list->list[idx].actiondata = NULL;
}
void menu_driver_list_clear(file_list_t *list)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->list_clear)
driver->list_clear(list);
}
void menu_driver_context_destroy(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (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->list_set_selection)
driver->list_set_selection(list);
}
void menu_driver_list_insert(file_list_t *list, const char *path,
const char *label, unsigned type, size_t idx)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (!list)
return;
if (driver->list_insert)
driver->list_insert(list, path, label, idx);
list->list[idx].actiondata = (menu_file_list_cbs_t*)
calloc(1, sizeof(menu_file_list_cbs_t));
if (!list->list[idx].actiondata)
{
RARCH_ERR("Action data could not be allocated.\n");
return;
}
menu_entries_cbs_init(list, path, label, type, idx);
}
void menu_driver_list_cache(bool state, unsigned action)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->list_cache)
driver->list_cache(state, action);
}
void menu_driver_navigation_increment(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->navigation_increment)
driver->navigation_increment();
}
void menu_driver_navigation_decrement(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->navigation_decrement)
driver->navigation_decrement();
}
void menu_driver_navigation_clear(bool pending_push)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->navigation_clear)
driver->navigation_clear(pending_push);
}
void menu_driver_navigation_set(bool scroll)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->navigation_set)
driver->navigation_set(scroll);
}
void menu_driver_navigation_set_last(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->navigation_set_last)
driver->navigation_set_last();
}
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();
}
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);
}
void menu_driver_render_messagebox(const char *msg)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (!msg)
return;
if (driver->render_messagebox && msg[0] != '\0')
driver->render_messagebox(msg);
}
void menu_driver_render(void)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->render)
driver->render();
}
void menu_driver_toggle(bool latch)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->toggle)
driver->toggle(latch);
}
void menu_driver_populate_entries(const char *path, const char *label,
unsigned k)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->populate_entries)
driver->populate_entries(path, label, k);
}
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;
}
void menu_driver_navigation_descend_alphabet(size_t *ptr_out)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->navigation_descend_alphabet)
driver->navigation_descend_alphabet(ptr_out);
}
void menu_driver_navigation_ascend_alphabet(size_t *ptr_out)
{
const menu_ctx_driver_t *driver = menu_ctx_driver_get_ptr();
if (driver->navigation_ascend_alphabet)
driver->navigation_ascend_alphabet(ptr_out);
}
bool menu_driver_alive(void)
{
return menu_alive;
}
void menu_driver_set_alive(void)
{
menu_alive = true;
}
void menu_driver_unset_alive(void)
{
menu_alive = false;
}
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