/**
* menu_init:
* @data : Menu context handle.
*
* Create and initialize menu handle.
*
* Returns: menu handle on success, otherwise NULL.
**/
void *menu_init(const void *data)
{
menu_handle_t *menu = NULL;
menu_display_t *disp = NULL;
menu_ctx_driver_t *menu_ctx = (menu_ctx_driver_t*)data;
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
if (!menu_ctx)
return NULL;
if (!(menu = (menu_handle_t*)menu_ctx->init()))
return NULL;
strlcpy(settings->menu.driver, menu_ctx->ident,
sizeof(settings->menu.driver));
if (menu_init_entries(&menu->entries) != 0)
goto error;
global->core_info_current = (core_info_t*)calloc(1, sizeof(core_info_t));
if (!global->core_info_current)
goto error;
#ifdef HAVE_SHADER_MANAGER
menu->shader = (struct video_shader*)calloc(1, sizeof(struct video_shader));
if (!menu->shader)
goto error;
#endif
menu->push_start_screen = settings->menu_show_start_screen;
settings->menu_show_start_screen = false;
menu_shader_manager_init(menu);
if (!menu_display_init(menu))
goto error;
disp = &menu->display;
rarch_assert(disp->msg_queue = msg_queue_new(8));
menu_display_fb_set_dirty();
menu_driver_set_alive();
return menu;
error:
if (menu->entries.menu_list)
menu_list_free(menu->entries.menu_list);
menu->entries.menu_list = NULL;
if (global->core_info_current)
free(global->core_info_current);
global->core_info_current = NULL;
if (menu->shader)
free(menu->shader);
menu->shader = NULL;
if (menu)
free(menu);
return NULL;
}
static menu_list_t *menu_list_new(void)
{
unsigned i;
menu_list_t *list = (menu_list_t*)calloc(1, sizeof(*list));
if (!list)
return NULL;
list->menu_stack = (file_list_t**)calloc(1, sizeof(*list->menu_stack));
if (!list->menu_stack)
goto error;
list->selection_buf = (file_list_t**)calloc(1, sizeof(*list->selection_buf));
if (!list->selection_buf)
goto error;
list->menu_stack_size = 1;
list->selection_buf_size = 1;
for (i = 0; i < list->menu_stack_size; i++)
list->menu_stack[i] = (file_list_t*)calloc(1, sizeof(*list->menu_stack[i]));
for (i = 0; i < list->selection_buf_size; i++)
list->selection_buf[i] = (file_list_t*)calloc(1, sizeof(*list->selection_buf[i]));
return list;
error:
menu_list_free(list);
return NULL;
}
/**
* menu_free_list:
* @menu : Menu handle.
*
* Frees menu lists.
**/
static void menu_free_list(menu_entries_t *entries)
{
if (!entries)
return;
menu_setting_free(entries->list_settings);
entries->list_settings = NULL;
menu_list_free(entries->menu_list);
entries->menu_list = NULL;
}
void menu_entries_free(void)
{
menu_entries_t *entries = menu_entries_get_ptr();
if (!entries)
return;
if (entries->list_settings)
menu_setting_free(entries->list_settings);
entries->list_settings = NULL;
menu_list_free(entries->menu_list);
entries->menu_list = NULL;
}
/**
* menu_free:
* @menu : Menu handle.
*
* Frees a menu handle
**/
void menu_free(menu_handle_t *menu)
{
global_t *global = global_get_ptr();
if (!menu)
return;
menu_free_list(menu);
#ifdef HAVE_SHADER_MANAGER
if (menu->shader)
free(menu->shader);
menu->shader = NULL;
#endif
menu_driver_free(menu);
#ifdef HAVE_LIBRETRODB
menu_database_free(menu);
#endif
#ifdef HAVE_DYNAMIC
libretro_free_system_info(&global->menu.info);
#endif
if (menu->msg_queue)
msg_queue_free(menu->msg_queue);
menu->msg_queue = NULL;
menu_display_free(menu);
if (menu->frame_buf.data)
free(menu->frame_buf.data);
menu->frame_buf.data = NULL;
menu_list_free(menu->menu_list);
menu->menu_list = NULL;
event_command(EVENT_CMD_HISTORY_DEINIT);
if (global->core_info)
core_info_list_free(global->core_info);
if (global->core_info_current)
free(global->core_info_current);
free(menu);
}
void menu_entries_free(void)
{
menu_entries_t *entries = menu_entries_data;
if (!entries)
return;
if (entries->list_settings)
menu_setting_free(entries->list_settings);
entries->list_settings = NULL;
menu_list_free(entries->menu_list);
entries->menu_list = NULL;
free(menu_entries_data);
menu_entries_data = NULL;
}
static menu_list_t *menu_list_new(void)
{
menu_list_t *list = (menu_list_t*)calloc(1, sizeof(*list));
if (!list)
return NULL;
list->menu_stack = (file_list_t*)calloc(1, sizeof(file_list_t));
list->selection_buf = (file_list_t*)calloc(1, sizeof(file_list_t));
if (!list->menu_stack || !list->selection_buf)
goto error;
return list;
error:
menu_list_free(list);
return NULL;
}
bool menu_entries_ctl(enum menu_entries_ctl_state state, void *data)
{
/* Flagged when menu entries need to be refreshed */
static bool menu_entries_need_refresh = false;
static bool menu_entries_nonblocking_refresh = false;
static size_t menu_entries_begin = 0;
static rarch_setting_t *menu_entries_list_settings = NULL;
static menu_list_t *menu_entries_list = NULL;
switch (state)
{
case MENU_ENTRIES_CTL_DEINIT:
menu_entries_ctl(MENU_ENTRIES_CTL_SETTINGS_DEINIT, NULL);
menu_entries_ctl(MENU_ENTRIES_CTL_LIST_DEINIT, NULL);
menu_entries_need_refresh = false;
menu_entries_nonblocking_refresh = false;
menu_entries_begin = 0;
break;
case MENU_ENTRIES_CTL_NEEDS_REFRESH:
if (menu_entries_nonblocking_refresh)
return false;
if (!menu_entries_need_refresh)
return false;
break;
case MENU_ENTRIES_CTL_LIST_GET:
{
menu_list_t **list = (menu_list_t**)data;
if (!list)
return false;
*list = menu_entries_list;
}
return true;
case MENU_ENTRIES_CTL_LIST_DEINIT:
if (menu_entries_list)
menu_list_free(menu_entries_list);
menu_entries_list = NULL;
break;
case MENU_ENTRIES_CTL_LIST_INIT:
if (!(menu_entries_list = (menu_list_t*)menu_list_new()))
return false;
break;
case MENU_ENTRIES_CTL_SETTINGS_GET:
{
rarch_setting_t **settings = (rarch_setting_t**)data;
if (!settings)
return false;
*settings = menu_entries_list_settings;
}
break;
case MENU_ENTRIES_CTL_SETTINGS_DEINIT:
if (menu_entries_list_settings)
menu_setting_ctl(MENU_SETTING_CTL_FREE, menu_entries_list_settings);
menu_entries_list_settings = NULL;
break;
case MENU_ENTRIES_CTL_SETTINGS_INIT:
menu_setting_ctl(MENU_SETTING_CTL_NEW, &menu_entries_list_settings);
if (!menu_entries_list_settings)
return false;
break;
case MENU_ENTRIES_CTL_SET_REFRESH:
{
bool *nonblocking = (bool*)data;
if (*nonblocking)
menu_entries_nonblocking_refresh = true;
else
menu_entries_need_refresh = true;
}
break;
case MENU_ENTRIES_CTL_UNSET_REFRESH:
{
bool *nonblocking = (bool*)data;
if (*nonblocking)
menu_entries_nonblocking_refresh = false;
else
menu_entries_need_refresh = false;
}
break;
case MENU_ENTRIES_CTL_SET_START:
{
size_t *idx = (size_t*)data;
if (idx)
menu_entries_begin = *idx;
}
case MENU_ENTRIES_CTL_START_GET:
{
size_t *idx = (size_t*)data;
if (!idx)
return 0;
*idx = menu_entries_begin;
}
break;
case MENU_ENTRIES_CTL_REFRESH:
return menu_entries_refresh(data);
case MENU_ENTRIES_CTL_CLEAR:
return menu_entries_clear((file_list_t*)data);
case MENU_ENTRIES_CTL_INIT:
return menu_entries_init();
case MENU_ENTRIES_CTL_SHOW_BACK:
/* Returns true if a Back button should be shown
* (i.e. we are at least
* one level deep in the menu hierarchy). */
return (menu_entries_get_stack_size(0) > 1);
case MENU_ENTRIES_CTL_NONE:
default:
break;
}
return true;
}
bool menu_entries_ctl(enum menu_entries_ctl_state state, void *data)
{
switch (state)
{
case MENU_ENTRIES_CTL_DEINIT:
menu_entries_ctl(MENU_ENTRIES_CTL_SETTINGS_DEINIT, NULL);
menu_entries_ctl(MENU_ENTRIES_CTL_LIST_DEINIT, NULL);
menu_entries_need_refresh = false;
menu_entries_nonblocking_refresh = false;
menu_entries_begin = 0;
break;
case MENU_ENTRIES_CTL_NEEDS_REFRESH:
if (menu_entries_nonblocking_refresh)
return false;
if (!menu_entries_need_refresh)
return false;
break;
case MENU_ENTRIES_CTL_LIST_GET:
{
menu_list_t **list = (menu_list_t**)data;
if (!list)
return false;
*list = menu_entries_list;
}
return true;
case MENU_ENTRIES_CTL_LIST_DEINIT:
if (menu_entries_list)
menu_list_free(menu_entries_list);
menu_entries_list = NULL;
break;
case MENU_ENTRIES_CTL_LIST_INIT:
if (!(menu_entries_list = (menu_list_t*)menu_list_new()))
return false;
break;
case MENU_ENTRIES_CTL_SETTINGS_GET:
{
rarch_setting_t **settings = (rarch_setting_t**)data;
if (!settings)
return false;
*settings = menu_entries_list_settings;
}
break;
case MENU_ENTRIES_CTL_SETTINGS_DEINIT:
menu_setting_free(menu_entries_list_settings);
if (menu_entries_list_settings)
free(menu_entries_list_settings);
menu_entries_list_settings = NULL;
break;
case MENU_ENTRIES_CTL_SETTINGS_INIT:
menu_setting_ctl(MENU_SETTING_CTL_NEW, &menu_entries_list_settings);
if (!menu_entries_list_settings)
return false;
break;
case MENU_ENTRIES_CTL_SET_REFRESH:
{
bool *nonblocking = (bool*)data;
if (*nonblocking)
menu_entries_nonblocking_refresh = true;
else
menu_entries_need_refresh = true;
}
break;
case MENU_ENTRIES_CTL_UNSET_REFRESH:
{
bool *nonblocking = (bool*)data;
if (*nonblocking)
menu_entries_nonblocking_refresh = false;
else
menu_entries_need_refresh = false;
}
break;
case MENU_ENTRIES_CTL_SET_START:
{
size_t *idx = (size_t*)data;
if (idx)
menu_entries_begin = *idx;
}
case MENU_ENTRIES_CTL_START_GET:
{
size_t *idx = (size_t*)data;
if (!idx)
return 0;
*idx = menu_entries_begin;
}
break;
case MENU_ENTRIES_CTL_REFRESH:
if (!data)
return false;
return menu_entries_refresh((file_list_t*)data);
case MENU_ENTRIES_CTL_CLEAR:
{
unsigned i;
file_list_t *list = (file_list_t*)data;
if (!list)
return false;
menu_driver_list_clear(list);
for (i = 0; i < list->size; i++)
file_list_free_actiondata(list, i);
file_list_clear(list);
}
break;
case MENU_ENTRIES_CTL_INIT:
return menu_entries_init();
case MENU_ENTRIES_CTL_SHOW_BACK:
/* Returns true if a Back button should be shown
* (i.e. we are at least
* one level deep in the menu hierarchy). */
if (!menu_entries_list)
return false;
return (menu_list_get_stack_size(menu_entries_list, 0) > 1);
case MENU_ENTRIES_CTL_NONE:
default:
break;
}
return true;
}
