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RetroArch/menu/menu_explore.c
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2021-11-11 22:28:16 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2020 - Daniel De Matteis
* Copyright (C) 2020 - Psyraven
*
* 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 <stddef.h>
#include "menu_driver.h"
#include "menu_cbs.h"
#include "../retroarch.h"
#include "../configuration.h"
#include "../playlist.h"
#include "../libretro-db/libretrodb.h"
#include "../tasks/tasks_internal.h"
#include <compat/strcasestr.h>
#include <compat/strl.h>
#include <array/rbuf.h>
#include <array/rhmap.h>
#define EX_ARENA_ALIGNMENT 8
#define EX_ARENA_BLOCK_SIZE (64 * 1024)
#define EX_ARENA_ALIGN_UP(n, a) (((n) + (a) - 1) & ~((a) - 1))
/* Explore */
enum
{
EXPLORE_BY_DEVELOPER = 0,
EXPLORE_BY_PUBLISHER,
EXPLORE_BY_RELEASEYEAR,
EXPLORE_BY_PLAYERCOUNT,
EXPLORE_BY_GENRE,
EXPLORE_BY_ORIGIN,
EXPLORE_BY_REGION,
EXPLORE_BY_FRANCHISE,
EXPLORE_BY_TAGS,
EXPLORE_BY_SYSTEM,
EXPLORE_CAT_COUNT,
EXPLORE_ICONS_OFF = 0,
EXPLORE_ICONS_CONTENT = 1,
EXPLORE_ICONS_SYSTEM_CATEGORY = 2,
EXPLORE_TYPE_ADDITIONALFILTER = FILE_TYPE_RDB, /* database icon */
EXPLORE_TYPE_FILTERNULL = MENU_SETTINGS_LAST,
EXPLORE_TYPE_SEARCH,
EXPLORE_TYPE_SHOWALL,
EXPLORE_TYPE_FIRSTCATEGORY,
EXPLORE_TYPE_FIRSTITEM = EXPLORE_TYPE_FIRSTCATEGORY + EXPLORE_CAT_COUNT
};
/* Arena allocator */
typedef struct ex_arena
{
char *ptr;
char *end;
char **blocks;
} ex_arena;
typedef struct
{
uint32_t idx;
char str[1];
} explore_string_t;
typedef struct
{
const struct playlist_entry* playlist_entry;
explore_string_t *by[EXPLORE_CAT_COUNT];
explore_string_t **split;
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
char* original_title;
#endif
} explore_entry_t;
struct explore_state
{
ex_arena arena; /* ptr alignment */
explore_string_t **by[EXPLORE_CAT_COUNT];
explore_entry_t *entries;
playlist_t **playlists;
uintptr_t *icons;
const char *label_explore_item_str;
unsigned top_depth;
unsigned show_icons;
char title[1024];
char find_string[1024];
bool has_unknown[EXPLORE_CAT_COUNT];
bool menu_initialised;
};
static const struct
{
const char* rdbkey;
enum msg_hash_enums name_enum, by_enum;
bool use_split, is_company, is_numeric;
}
explore_by_info[EXPLORE_CAT_COUNT] =
{
{ "developer", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_DEVELOPER, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_DEVELOPER, true, true, false },
{ "publisher", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_PUBLISHER, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_PUBLISHER, true, true, false },
{ "releaseyear", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_RELEASE_YEAR, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_RELEASE_YEAR, false, false, true },
{ "users", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_PLAYER_COUNT, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_PLAYER_COUNT, false, false, true },
{ "genre", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_GENRE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_GENRE, true, false, false },
{ "origin", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_ORIGIN, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_ORIGIN, false, false, false },
{ "region", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_REGION, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_REGION, false, false, false },
{ "franchise", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_FRANCHISE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_FRANCHISE, false, false, false },
{ "tags", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_TAG, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_TAG, true, false, false },
{ "system", MENU_ENUM_LABEL_VALUE_CORE_INFO_SYSTEM_NAME, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_SYSTEM_NAME, false, false, false },
};
/* TODO/FIXME - static global */
static explore_state_t* explore_state;
static void ex_arena_grow(ex_arena *arena, size_t min_size)
{
size_t size = EX_ARENA_ALIGN_UP(
MAX(min_size, EX_ARENA_BLOCK_SIZE), EX_ARENA_ALIGNMENT);
arena->ptr = (char *)malloc(size);
arena->end = arena->ptr + size;
RBUF_PUSH(arena->blocks, arena->ptr);
}
static void *ex_arena_alloc(ex_arena *arena, size_t size)
{
void *ptr = NULL;
if (size > (size_t)(arena->end - arena->ptr))
ex_arena_grow(arena, size);
ptr = arena->ptr;
arena->ptr = (char *)
EX_ARENA_ALIGN_UP((uintptr_t)(arena->ptr + size), EX_ARENA_ALIGNMENT);
return ptr;
}
static void ex_arena_free(ex_arena *arena)
{
char **it;
for (it = arena->blocks; it != RBUF_END(arena->blocks); it++)
free(*it);
RBUF_FREE(arena->blocks);
arena->ptr = NULL;
arena->end = NULL;
arena->blocks = NULL;
}
/* Hash function */
static uint32_t ex_hash32_nocase_filtered(
const unsigned char* str, size_t len,
unsigned char f_first, unsigned char f_last)
{
const unsigned char *end = NULL;
uint32_t hash = (uint32_t)0x811c9dc5;
for (end = str + len; str != end;)
{
unsigned char c = *(str++);
if (c >= f_first && c <= f_last)
hash = ((hash * (uint32_t)0x01000193)
^ (uint32_t)((c >= 'A' && c <= 'Z')
? (c | 0x20) : c));
}
if (hash)
return hash;
return 1;
}
static int explore_qsort_func_strings(const void *a_, const void *b_)
{
const explore_string_t **a = (const explore_string_t**)a_;
const explore_string_t **b = (const explore_string_t**)b_;
if ((*a)->str[0] != (*b)->str[0])
return (unsigned char)(*a)->str[0] - (unsigned char)(*b)->str[0];
return strcasecmp((*a)->str, (*b)->str);
}
static int explore_qsort_func_entries(const void *a_, const void *b_)
{
const explore_entry_t *a = (const explore_entry_t*)a_;
const explore_entry_t *b = (const explore_entry_t*)b_;
if (a->playlist_entry->label[0] != b->playlist_entry->label[0])
return (unsigned char)a->playlist_entry->label[0] - (unsigned char)b->playlist_entry->label[0];
return strcasecmp(a->playlist_entry->label, b->playlist_entry->label);
}
static int explore_qsort_func_menulist(const void *a_, const void *b_)
{
const struct item_file *a = (const struct item_file*)a_;
const struct item_file *b = (const struct item_file*)b_;
if (a->path[0] != b->path[0])
return (unsigned char)a->path[0] - (unsigned char)b->path[0];
return strcasecmp(a->path, b->path);
}
static int explore_check_company_suffix(const char* p, bool search_reverse)
{
int p0, p0_lc, p1, p1_lc, p2, p2_lc;
if (search_reverse)
{
p -= (p[-1] == '.' ? 4 : 3);
if (p[-1] != ' ')
return 0;
}
if (p[0] == '\0' || p[1] == '\0' || p[2] == '\0')
return 0;
p0 = p[0];
p1 = p[1];
p2 = p[2];
p0_lc = TOLOWER(p0);
p1_lc = TOLOWER(p1);
p2_lc = TOLOWER(p2);
if ( (p0_lc == 'i' && p1_lc == 'n' && p2_lc == 'c') /*, Inc */
|| (p0_lc == 'l' && p1_lc == 't' && p2_lc == 'd') /*, Ltd */
|| (p0_lc == 't' && p1_lc == 'h' && p2_lc == 'e') /*, The */
)
return (p[3] == '.' ? 4 : 3);
return 0;
}
static void explore_add_unique_string(
explore_state_t *explore,
explore_string_t** maps[EXPLORE_CAT_COUNT], explore_entry_t *e,
unsigned cat, const char *str,
explore_string_t ***split_buf)
{
bool is_company;
const char *p;
const char *p_next;
if (!str || !*str)
{
explore->has_unknown[cat] = true;
return;
}
if (!explore_by_info[cat].use_split)
split_buf = NULL;
is_company = explore_by_info[cat].is_company;
for (p = str + 1;; p++)
{
size_t len = 0;
uint32_t hash = 0;
explore_string_t* entry = NULL;
if (*p != '/' && *p != ',' && *p != '|' && *p != '\0')
continue;
if (!split_buf && *p != '\0')
continue;
p_next = p;
while (*str == ' ')
str++;
while (p[-1] == ' ')
p--;
if (p == str)
{
if (*p == '\0')
return;
continue;
}
if (is_company && p - str > 5)
{
p -= explore_check_company_suffix(p, true);
while (p[-1] == ' ')
p--;
}
len = p - str;
hash = ex_hash32_nocase_filtered(
(unsigned char*)str, len, '0', 255);
entry = RHMAP_GET(maps[cat], hash);
if (!entry)
{
entry = (explore_string_t*)
ex_arena_alloc(&explore->arena,
sizeof(explore_string_t) + len);
memcpy(entry->str, str, len);
entry->str[len] = '\0';
RBUF_PUSH(explore->by[cat], entry);
RHMAP_SET(maps[cat], hash, entry);
}
if (!e->by[cat])
e->by[cat] = entry;
else
RBUF_PUSH(*split_buf, entry);
if (*p_next == '\0')
return;
if (is_company && *p_next == ',')
{
p = p_next + 1;
while (*p == ' ')
p++;
p += explore_check_company_suffix(p, false);
while (*p == ' ')
p++;
if (*p == '\0')
return;
if (*p == '/' || *p == ',' || *p == '|')
p_next = p;
}
p = p_next;
str = p + 1;
}
}
static void explore_unload_icons(explore_state_t *state)
{
unsigned i;
if (!state)
return;
for (i = 0; i != RBUF_LEN(state->icons); i++)
if (state->icons[i])
video_driver_texture_unload(&state->icons[i]);
}
static void explore_load_icons(explore_state_t *state)
{
char path[PATH_MAX_LENGTH];
size_t i, pathlen, system_count;
if (!state)
return;
system_count = RBUF_LEN(state->by[EXPLORE_BY_SYSTEM]);
/* unload any icons that could exist from a previous call to this */
explore_unload_icons(state);
/* RBUF_RESIZE leaves memory uninitialised, have to zero it 'manually' */
RBUF_RESIZE(state->icons, system_count);
memset(state->icons, 0, RBUF_SIZEOF(state->icons));
fill_pathname_application_special(path, sizeof(path),
APPLICATION_SPECIAL_DIRECTORY_ASSETS_SYSICONS);
if (string_is_empty(path))
return;
fill_pathname_slash(path, sizeof(path));
pathlen = strlen(path);
for (i = 0; i != system_count; i++)
{
struct texture_image ti;
strlcpy(path + pathlen,
state->by[EXPLORE_BY_SYSTEM][i]->str, sizeof(path) - pathlen);
strlcat(path, ".png", sizeof(path));
if (!path_is_valid(path))
continue;
ti.width = 0;
ti.height = 0;
ti.pixels = NULL;
ti.supports_rgba = video_driver_supports_rgba();
if (!image_texture_load(&ti, path))
continue;
if (ti.pixels)
video_driver_texture_load(&ti,
TEXTURE_FILTER_MIPMAP_LINEAR, &state->icons[i]);
image_texture_free(&ti);
}
}
explore_state_t *menu_explore_build_list(const char *directory_playlist,
const char *directory_database)
{
unsigned i;
char tmp[PATH_MAX_LENGTH];
struct explore_rdb
{
libretrodb_t *handle;
const struct playlist_entry **playlist_crcs;
const struct playlist_entry **playlist_names;
size_t count;
char systemname[256];
}
*rdbs = NULL;
int *rdb_indices = NULL;
explore_string_t **cat_maps[EXPLORE_CAT_COUNT] = {NULL};
explore_string_t **split_buf = NULL;
libretro_vfs_implementation_dir *dir = NULL;
explore_state_t *explore = (explore_state_t*)calloc(
1, sizeof(*explore));
if (!explore)
return NULL;
explore->label_explore_item_str =
msg_hash_to_str(MENU_ENUM_LABEL_EXPLORE_ITEM);
/* Index all playlists */
for (dir = retro_vfs_opendir_impl(directory_playlist, false); dir;)
{
playlist_config_t playlist_config;
size_t j, used_entries = 0;
playlist_t *playlist = NULL;
const char *fext = NULL;
const char *fname = NULL;
uint32_t fhash = 0;
playlist_config.path[0] = '\0';
playlist_config.base_content_directory[0] = '\0';
playlist_config.capacity = 0;
playlist_config.old_format = false;
playlist_config.compress = false;
playlist_config.fuzzy_archive_match = false;
playlist_config.autofix_paths = false;
if (!retro_vfs_readdir_impl(dir))
{
retro_vfs_closedir_impl(dir);
break;
}
fname = retro_vfs_dirent_get_name_impl(dir);
if (fname)
fext = strrchr(fname, '.');
if (!fext || strcasecmp(fext, ".lpl"))
continue;
fill_pathname_join(playlist_config.path,
directory_playlist, fname, sizeof(playlist_config.path));
playlist_config.capacity = COLLECTION_SIZE;
playlist = playlist_init(&playlist_config);
fhash = ex_hash32_nocase_filtered(
(unsigned char*)fname, fext - fname, '0', 255);
for (j = 0; j < playlist_size(playlist); j++)
{
int rdb_num;
uint32_t entry_crc32;
struct explore_rdb* rdb = NULL;
const struct playlist_entry *entry = NULL;
const char *db_name = fname;
const char *db_ext = fext;
uint32_t rdb_hash = fhash;
playlist_get_index(playlist, j, &entry);
/* We also could build label from file name, for now it's required */
if (!entry->label || !*entry->label)
continue;
/* For auto scanned playlists the entry db_name matches the
* lpl file name and we can just use that */
if (entry->db_name && *entry->db_name
&& strcasecmp(entry->db_name, fname))
{
db_name = entry->db_name;
db_ext = strrchr(db_name, '.');
if (!db_ext)
db_ext = db_name + strlen(db_name);
rdb_hash = ex_hash32_nocase_filtered(
(unsigned char*)db_name, db_ext - db_name, '0', 255);
}
rdb_num = RHMAP_GET(rdb_indices, rdb_hash);
if (!rdb_num)
{
struct explore_rdb newrdb;
size_t systemname_len;
newrdb.handle = libretrodb_new();
newrdb.count = 0;
newrdb.playlist_crcs = NULL;
newrdb.playlist_names = NULL;
systemname_len = db_ext - db_name;
if (systemname_len >= sizeof(newrdb.systemname))
systemname_len = sizeof(newrdb.systemname)-1;
memcpy(newrdb.systemname, db_name, systemname_len);
newrdb.systemname[systemname_len] = '\0';
fill_pathname_join_noext(
tmp, directory_database, db_name, sizeof(tmp));
strlcat(tmp, ".rdb", sizeof(tmp));
if (libretrodb_open(tmp, newrdb.handle) != 0)
{
/* Invalid RDB file */
libretrodb_free(newrdb.handle);
RHMAP_SET(rdb_indices, rdb_hash, -1);
continue;
}
RBUF_PUSH(rdbs, newrdb);
rdb_num = (uintptr_t)RBUF_LEN(rdbs);
RHMAP_SET(rdb_indices, rdb_hash, rdb_num);
}
if (rdb_num == (uintptr_t)-1)
continue;
rdb = &rdbs[rdb_num - 1];
rdb->count++;
entry_crc32 = (uint32_t)strtoul(
(entry->crc32 ? entry->crc32 : ""), NULL, 16);
if (entry_crc32)
{
RHMAP_SET(rdb->playlist_crcs, entry_crc32, entry);
}
else
{
RHMAP_SET_STR(rdb->playlist_names, entry->label, entry);
}
used_entries++;
}
if (used_entries)
RBUF_PUSH(explore->playlists, playlist);
else
playlist_free(playlist);
}
/* Loop through all RDBs referenced in the playlists
* and load meta data strings */
for (i = 0; i != RBUF_LEN(rdbs); i++)
{
struct rmsgpack_dom_value item;
struct explore_rdb* rdb = &rdbs[i];
libretrodb_cursor_t *cur = libretrodb_cursor_new();
bool more =
(
libretrodb_cursor_open(rdb->handle, cur, NULL) == 0
&& libretrodb_cursor_read_item(cur, &item) == 0);
for (; more; more = (rmsgpack_dom_value_free(&item),
libretrodb_cursor_read_item(cur, &item) == 0))
{
unsigned k, l, cat;
explore_entry_t e;
char *fields[EXPLORE_CAT_COUNT];
char numeric_buf[EXPLORE_CAT_COUNT][16];
const struct playlist_entry *entry = NULL;
uint32_t crc32 = 0;
char *name = NULL;
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
char *original_title = NULL;
#endif
if (item.type != RDT_MAP)
continue;
for (k = 0; k < EXPLORE_CAT_COUNT; k++)
fields[k] = NULL;
for (k = 0; k < item.val.map.len; k++)
{
const char *key_str = NULL;
struct rmsgpack_dom_value *key = &item.val.map.items[k].key;
struct rmsgpack_dom_value *val = &item.val.map.items[k].value;
if (!key || !val || key->type != RDT_STRING)
continue;
key_str = key->val.string.buff;
if (string_is_equal(key_str, "crc"))
{
switch (val->val.binary.len)
{
case 1:
crc32 = *(uint8_t*)val->val.binary.buff;
break;
case 2:
crc32 = swap_if_little16(*(uint16_t*)val->val.binary.buff);
break;
case 4:
crc32 = swap_if_little32(*(uint32_t*)val->val.binary.buff);
break;
default:
crc32 = 0;
break;
}
continue;
}
else if (string_is_equal(key_str, "name"))
{
name = val->val.string.buff;
continue;
}
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
else if (string_is_equal(key_str, "original_title"))
{
original_title = val->val.string.buff;
continue;
}
#endif
for (cat = 0; cat != EXPLORE_CAT_COUNT; cat++)
{
if (!string_is_equal(key_str, explore_by_info[cat].rdbkey))
continue;
if (explore_by_info[cat].is_numeric)
{
if (!val->val.int_)
break;
snprintf(numeric_buf[cat],
sizeof(numeric_buf[cat]),
"%d", (int)val->val.int_);
fields[cat] = numeric_buf[cat];
break;
}
if (val->type != RDT_STRING)
break;
fields[cat] = val->val.string.buff;
break;
}
}
if (crc32)
{
entry = RHMAP_GET(rdb->playlist_crcs, crc32);
}
if (!entry && name)
{
entry = RHMAP_GET_STR(rdb->playlist_names, name);
}
if (!entry)
continue;
e.playlist_entry = entry;
for (l = 0; l < EXPLORE_CAT_COUNT; l++)
e.by[l] = NULL;
e.split = NULL;
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
e.original_title = NULL;
#endif
fields[EXPLORE_BY_SYSTEM] = rdb->systemname;
for (cat = 0; cat != EXPLORE_CAT_COUNT; cat++)
{
explore_add_unique_string(explore,
cat_maps, &e, cat,
fields[cat], &split_buf);
}
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
if (original_title && *original_title)
{
size_t len = strlen(original_title) + 1;
e.original_title = (char*)
ex_arena_alloc(&explore->arena, len);
memcpy(e.original_title, original_title, len);
}
#endif
if (RBUF_LEN(split_buf))
{
size_t len;
RBUF_PUSH(split_buf, NULL); /* terminator */
len = RBUF_SIZEOF(split_buf);
e.split = (explore_string_t **)
ex_arena_alloc(&explore->arena, len);
memcpy(e.split, split_buf, len);
RBUF_CLEAR(split_buf);
}
RBUF_PUSH(explore->entries, e);
/* if all entries have found connections, we can leave early */
if (--rdb->count == 0)
{
rmsgpack_dom_value_free(&item);
break;
}
}
libretrodb_cursor_close(cur);
libretrodb_cursor_free(cur);
libretrodb_close(rdb->handle);
libretrodb_free(rdb->handle);
RHMAP_FREE(rdb->playlist_crcs);
RHMAP_FREE(rdb->playlist_names);
}
RBUF_FREE(split_buf);
RHMAP_FREE(rdb_indices);
RBUF_FREE(rdbs);
for (i = 0; i != EXPLORE_CAT_COUNT; i++)
{
uint32_t idx;
size_t len = RBUF_LEN(explore->by[i]);
if (explore->by[i])
qsort(explore->by[i], len, sizeof(*explore->by[i]),
explore_qsort_func_strings);
for (idx = 0; idx != len; idx++)
explore->by[i][idx]->idx = idx;
RHMAP_FREE(cat_maps[i]);
}
qsort(explore->entries,
RBUF_LEN(explore->entries),
sizeof(*explore->entries), explore_qsort_func_entries);
return explore;
}
static int explore_action_get_title_default(
const char *path, const char *label,
unsigned menu_type, char *s, size_t len)
{
strlcpy(s, msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_TAB), len);
return 0;
}
static int explore_action_get_title(
const char *path, const char *label,
unsigned menu_type, char *s, size_t len)
{
strlcpy(s, explore_state->title, len);
return 0;
}
static void explore_append_title(explore_state_t *state,
const char* fmt, ...)
{
va_list ap;
size_t len = strlen(state->title);
va_start(ap, fmt);
vsnprintf(state->title + len,
sizeof(state->title) - len, fmt, ap);
va_end(ap);
}
static int explore_action_sublabel_spacer(
file_list_t *list, unsigned type, unsigned i,
const char *label, const char *path, char *s, size_t len)
{
const char *menu_driver = menu_driver_ident();
/* Only add a blank 'spacer' sublabel when
* using Ozone
* > In XMB/GLUI it upsets the vertical layout
* > In RGUI it does nothing other than
* unnecessarily blank out the fallback
* core title text in the sublabel area */
if (string_is_equal(menu_driver, "ozone"))
strlcpy(s, " ", len);
return 1; /* 1 means it'll never change and can be cached */
}
static int explore_action_ok(const char *path, const char *label,
unsigned type, size_t idx, size_t entry_idx)
{
const char* explore_tab = msg_hash_to_str(MENU_ENUM_LABEL_EXPLORE_TAB);
filebrowser_clear_type();
return generic_action_ok_displaylist_push(explore_tab,
NULL, explore_tab, type, idx, entry_idx, ACTION_OK_DL_PUSH_DEFAULT);
}
static menu_file_list_cbs_t *explore_menu_entry(
file_list_t *list,
explore_state_t *state,
const char *path, unsigned type)
{
menu_file_list_cbs_t *cbs = NULL;
if (!state)
return NULL;
menu_entries_append_enum(list, path,
state->label_explore_item_str,
MENU_ENUM_LABEL_EXPLORE_ITEM, type, 0, 0);
cbs = ((menu_file_list_cbs_t*)list->list[list->size-1].actiondata);
if (!cbs)
return NULL;
cbs->action_ok = explore_action_ok;
return cbs;
}
static void explore_menu_add_spacer(file_list_t *list)
{
if (list->size)
((menu_file_list_cbs_t*)list->list[list->size-1].actiondata)->action_sublabel = explore_action_sublabel_spacer;
}
static void explore_action_find_complete(void *userdata, const char *line)
{
menu_input_dialog_end();
if (line && *line)
{
strlcpy(explore_state->find_string, line,
sizeof(explore_state->find_string));
explore_action_ok(NULL, NULL, EXPLORE_TYPE_SEARCH, 0, 0);
}
}
static int explore_action_ok_find(const char *path, const char *label, unsigned type, size_t idx, size_t entry_idx)
{
menu_input_ctx_line_t line;
line.label = msg_hash_to_str(MENU_ENUM_LABEL_VALUE_SEARCH);
line.label_setting = NULL;
line.type = 0;
line.idx = 0;
line.cb = explore_action_find_complete;
menu_input_dialog_start(&line);
return 0;
}
unsigned menu_displaylist_explore(file_list_t *list,
settings_t *settings)
{
unsigned i, cat;
char tmp[512];
unsigned depth, current_type, current_cat, previous_cat;
struct item_file *stack_top = NULL;
file_list_t *menu_stack = menu_entries_get_menu_stack_ptr(0);
if (!explore_state)
{
if (!menu_explore_init_in_progress(NULL))
task_push_menu_explore_init(
settings->paths.directory_playlist,
settings->paths.path_content_database);
menu_entries_append_enum(list,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_INITIALISING_LIST),
msg_hash_to_str(MENU_ENUM_LABEL_EXPLORE_INITIALISING_LIST),
MENU_ENUM_LABEL_EXPLORE_INITIALISING_LIST,
FILE_TYPE_NONE, 0, 0);
if (menu_stack->size > 1)
{
struct item_file *stack = &menu_stack->list[menu_stack->size - 1];
menu_file_list_cbs_t* cbs = ((menu_file_list_cbs_t*)stack->actiondata);
cbs->action_get_title = explore_action_get_title_default;
}
return (unsigned)list->size;
}
if (!explore_state->menu_initialised)
{
explore_state->top_depth = (unsigned)menu_stack->size - 1;
explore_load_icons(explore_state);
explore_state->menu_initialised = true;
}
if (menu_stack->size > 1)
{
struct item_file *stack = &menu_stack->list[menu_stack->size - 1];
menu_file_list_cbs_t* cbs = ((menu_file_list_cbs_t*)stack->actiondata);
cbs->action_get_title = explore_action_get_title;
}
stack_top = menu_stack->list + explore_state->top_depth;
depth = (unsigned)menu_stack->size - 1 - explore_state->top_depth;
current_type = stack_top[depth].type;
current_cat = current_type - EXPLORE_TYPE_FIRSTCATEGORY;
previous_cat = stack_top[depth ? depth - 1 : 0].type - EXPLORE_TYPE_FIRSTCATEGORY;
explore_state->show_icons = EXPLORE_ICONS_OFF;
if (depth)
{
unsigned levels = 0;
bool clear_find_text = false;
((menu_file_list_cbs_t*)stack_top[depth].actiondata)->action_get_title =
explore_action_get_title;
clear_find_text = (current_type != EXPLORE_TYPE_SEARCH);
explore_state->title[0] = '\0';
for (i = 1; i < depth; i++)
{
unsigned by_selected_type;
unsigned by_category = (stack_top[i].type -
EXPLORE_TYPE_FIRSTCATEGORY);
if (stack_top[i].type == EXPLORE_TYPE_SEARCH)
clear_find_text = false;
if (by_category >= EXPLORE_CAT_COUNT)
continue;
by_selected_type = stack_top[i + 1].type;
explore_append_title(explore_state, "%s%s: %s",
(levels++ ? " / " : ""),
msg_hash_to_str(explore_by_info[by_category].name_enum),
(by_selected_type != EXPLORE_TYPE_FILTERNULL ?
explore_state->by[by_category][by_selected_type - EXPLORE_TYPE_FIRSTITEM]->str
: msg_hash_to_str(MENU_ENUM_LABEL_VALUE_UNKNOWN)));
}
if (clear_find_text)
explore_state->find_string[0] = '\0';
if (*explore_state->find_string)
explore_append_title(explore_state, "%s%s: '%s'",
(levels++ ? " / " : ""),
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_RDB_ENTRY_NAME),
explore_state->find_string);
}
if ( current_type == MENU_EXPLORE_TAB
|| current_type == EXPLORE_TYPE_ADDITIONALFILTER)
{
/* Explore top or selecting an additional filter */
bool is_top = (current_type == MENU_EXPLORE_TAB);
if (is_top)
strlcpy(explore_state->title,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_TAB),
sizeof(explore_state->title));
else
explore_append_title(explore_state, " - %s",
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_ADDITIONAL_FILTER));
if (is_top || !*explore_state->find_string)
{
menu_file_list_cbs_t *new_cbs = explore_menu_entry(
list, explore_state,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_SEARCH_NAME),
EXPLORE_TYPE_SEARCH);
if (new_cbs)
new_cbs->action_ok = explore_action_ok_find;
explore_menu_add_spacer(list);
}
for (cat = 0; cat < EXPLORE_CAT_COUNT; cat++)
{
explore_string_t **entries = explore_state->by[cat];
size_t tmplen;
if (!RBUF_LEN(entries))
continue;
for (i = 1; i < depth; i++)
if (stack_top[i].type == cat + EXPLORE_TYPE_FIRSTCATEGORY)
goto SKIP_EXPLORE_BY_CATEGORY;
tmplen = strlcpy(tmp,
msg_hash_to_str(explore_by_info[cat].by_enum), sizeof(tmp));
if (is_top && tmplen < sizeof(tmp) - 5)
{
if (explore_by_info[cat].is_numeric)
{
snprintf(tmp + tmplen, sizeof(tmp) - tmplen, " (%s - %s)",
entries[0]->str, entries[RBUF_LEN(entries) - 1]->str);
}
else
{
strlcat(tmp, " (", sizeof(tmp));
snprintf(tmp + tmplen + 2, sizeof(tmp) - tmplen - 2,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_ITEMS_COUNT),
(unsigned)RBUF_LEN(entries));
strlcat(tmp, ")", sizeof(tmp));
}
}
explore_menu_entry(list, explore_state,
tmp, cat + EXPLORE_TYPE_FIRSTCATEGORY);
SKIP_EXPLORE_BY_CATEGORY:;
}
if (is_top)
{
explore_menu_add_spacer(list);
explore_menu_entry(list, explore_state,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_SHOW_ALL),
EXPLORE_TYPE_SHOWALL);
}
}
else if (
depth == 1
&& current_type != EXPLORE_TYPE_SEARCH
&& current_type != EXPLORE_TYPE_SHOWALL)
{
/* List all items in a selected explore by category */
explore_string_t **entries = explore_state->by[current_cat];
unsigned i_last = RBUF_LEN(entries) - 1;
for (i = 0; i <= i_last; i++)
explore_menu_entry(list, explore_state,
entries[i]->str, EXPLORE_TYPE_FIRSTITEM + i);
if (explore_state->has_unknown[current_cat])
{
explore_menu_add_spacer(list);
explore_menu_entry(list, explore_state,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_UNKNOWN), EXPLORE_TYPE_FILTERNULL);
}
explore_append_title(explore_state,
msg_hash_to_str(explore_by_info[current_cat].by_enum));
if (current_cat == EXPLORE_BY_SYSTEM)
explore_state->show_icons = EXPLORE_ICONS_SYSTEM_CATEGORY;
}
else if (
previous_cat < EXPLORE_CAT_COUNT
|| current_type < EXPLORE_TYPE_FIRSTITEM)
{
bool use_split[10];
unsigned cats[10];
explore_string_t* filter[10];
explore_entry_t *e = NULL;
explore_entry_t *e_end = NULL;
bool* map_filtered_category = NULL;
unsigned levels = 0;
bool use_find = (
*explore_state->find_string != '\0');
bool is_show_all = (depth == 1 && !use_find);
bool is_filtered_category = (current_cat < EXPLORE_CAT_COUNT);
bool filtered_category_have_unknown = false;
/* List filtered items in a selected explore by category */
if (is_filtered_category)
{
explore_append_title(explore_state, " - %s",
msg_hash_to_str(explore_by_info[current_cat].by_enum));
if (current_cat == EXPLORE_BY_SYSTEM)
explore_state->show_icons = EXPLORE_ICONS_SYSTEM_CATEGORY;
}
else
{
/* Game list */
if (is_show_all)
{
menu_file_list_cbs_t *new_cbs = NULL;
explore_append_title(explore_state,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_ALL));
new_cbs = explore_menu_entry(
list, explore_state,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_SEARCH_NAME),
EXPLORE_TYPE_SEARCH);
if (new_cbs)
new_cbs->action_ok = explore_action_ok_find;
}
else
explore_menu_entry(list, explore_state,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_ADD_ADDITIONAL_FILTER),
EXPLORE_TYPE_ADDITIONALFILTER);
explore_menu_add_spacer(list);
explore_state->show_icons = EXPLORE_ICONS_CONTENT;
}
for (i = 1; i < depth; i++)
{
explore_string_t **entries = NULL;
unsigned by_selected_type = 0;
unsigned by_category = (stack_top[i].type
- EXPLORE_TYPE_FIRSTCATEGORY);
if (by_category >= EXPLORE_CAT_COUNT)
continue;
by_selected_type = stack_top[i + 1].type;
entries = explore_state->by[by_category];
cats [levels] = by_category;
use_split[levels] = explore_by_info[by_category].use_split;
filter [levels] =
(by_selected_type == EXPLORE_TYPE_FILTERNULL
? NULL
: entries[by_selected_type - EXPLORE_TYPE_FIRSTITEM]);
levels++;
}
e = explore_state->entries;
e_end = RBUF_END(explore_state->entries);
for (; e != e_end; e++)
{
unsigned lvl;
for (lvl = 0; lvl != levels; lvl++)
{
if (filter[lvl] == e->by[cats[lvl]])
continue;
if (use_split[lvl] && e->split)
{
explore_string_t** split = e->split;
do
{
if (*split == filter[lvl])
break;
} while (*(++split));
if (*split)
continue;
}
goto SKIP_ENTRY;
}
if (use_find &&
!strcasestr(e->playlist_entry->label,
explore_state->find_string))
goto SKIP_ENTRY;
if (is_filtered_category)
{
explore_string_t* str = e->by[current_cat];
if (!str)
{
filtered_category_have_unknown = true;
continue;
}
if (RHMAP_HAS(map_filtered_category, str->idx + 1))
continue;
RHMAP_SET(map_filtered_category, str->idx + 1, true);
explore_menu_entry(list, explore_state,
str->str,
EXPLORE_TYPE_FIRSTITEM + str->idx);
}
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
else if (e->original_title)
explore_menu_entry(list,
explore_state, e->original_title,
EXPLORE_TYPE_FIRSTITEM + (e - explore_state->entries));
#endif
else
explore_menu_entry(list,
explore_state, e->playlist_entry->label,
EXPLORE_TYPE_FIRSTITEM + (e - explore_state->entries));
SKIP_ENTRY:;
}
if (is_filtered_category)
qsort(list->list, list->size, sizeof(*list->list), explore_qsort_func_menulist);
if (is_filtered_category && filtered_category_have_unknown)
{
explore_menu_add_spacer(list);
explore_menu_entry(list, explore_state,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_UNKNOWN),
EXPLORE_TYPE_FILTERNULL);
}
explore_append_title(explore_state,
" (%u)", (unsigned) (list->size - (is_filtered_category ? 0 : 1)));
RHMAP_FREE(map_filtered_category);
}
else
{
/* Content page of selected game */
int pl_idx;
const struct playlist_entry *pl_entry =
explore_state->entries[current_type - EXPLORE_TYPE_FIRSTITEM].playlist_entry;
menu_handle_t *menu = menu_state_get_ptr()->driver_data;
strlcpy(explore_state->title,
pl_entry->label, sizeof(explore_state->title));
for (pl_idx = 0; pl_idx != RBUF_LEN(explore_state->playlists); pl_idx++)
{
menu_displaylist_info_t info;
const struct playlist_entry* pl_first = NULL;
playlist_t *pl =
explore_state->playlists[pl_idx];
menu_displaylist_info_init(&info);
playlist_get_index(pl, 0, &pl_first);
if ( pl_entry < pl_first ||
pl_entry >= pl_first + playlist_size(pl))
continue;
/* Fake all the state so the content screen
* and information screen think we're viewing via playlist */
playlist_set_cached_external(pl);
menu->rpl_entry_selection_ptr = (pl_entry - pl_first);
strlcpy(menu->deferred_path,
pl_entry->path, sizeof(menu->deferred_path));
info.list = list;
menu_displaylist_ctl(DISPLAYLIST_HORIZONTAL_CONTENT_ACTIONS, &info,
settings);
break;
}
}
return (unsigned)list->size;
}
uintptr_t menu_explore_get_entry_icon(unsigned type)
{
unsigned i;
if (!explore_state || !explore_state->show_icons
|| type < EXPLORE_TYPE_FIRSTITEM)
return 0;
i = (type - EXPLORE_TYPE_FIRSTITEM);
if (explore_state->show_icons == EXPLORE_ICONS_CONTENT)
{
explore_entry_t* e = &explore_state->entries[i];
if (e < RBUF_END(explore_state->entries))
return explore_state->icons[e->by[EXPLORE_BY_SYSTEM]->idx];
}
else if (explore_state->show_icons == EXPLORE_ICONS_SYSTEM_CATEGORY)
{
if (i < RBUF_LEN(explore_state->icons))
return explore_state->icons[i];
}
return 0;
}
void menu_explore_context_init(void)
{
if (!explore_state)
return;
explore_load_icons(explore_state);
}
void menu_explore_context_deinit(void)
{
if (!explore_state)
return;
explore_unload_icons(explore_state);
}
void menu_explore_free_state(explore_state_t *state)
{
unsigned i;
if (!state)
return;
for (i = 0; i != EXPLORE_CAT_COUNT; i++)
RBUF_FREE(state->by[i]);
RBUF_FREE(state->entries);
for (i = 0; i != RBUF_LEN(state->playlists); i++)
playlist_free(state->playlists[i]);
RBUF_FREE(state->playlists);
explore_unload_icons(state);
RBUF_FREE(state->icons);
ex_arena_free(&state->arena);
}
void menu_explore_free(void)
{
if (!explore_state)
return;
menu_explore_free_state(explore_state);
free(explore_state);
explore_state = NULL;
}
void menu_explore_set_state(explore_state_t *state)
{
if (!state)
return;
if (explore_state)
menu_explore_free();
explore_state = state;
}
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