add configuration option to toggle showing hidden files (default on), fixes issue #2769

audio/audio_dsp_filter.c

@@ -247,7 +247,7 @@ rarch_dsp_filter_t *rarch_dsp_filter_new(
    if (!frontend_driver_get_core_extension(ext_name, sizeof(ext_name)))
          goto error;
 
-   plugs = dir_list_new(basedir, ext_name, false, false, false);
+   plugs = dir_list_new(basedir, ext_name, false, true, false, false);
    if (!plugs)
       goto error;
 #endif

config.def.h

@@ -511,6 +511,8 @@ static unsigned aspect_ratio_idx = ASPECT_RATIO_CORE;
 /* Save configuration file on exit. */
 static bool config_save_on_exit = true;
 
+static bool show_hidden_files = true;
+
 static const bool overlay_hide_in_menu = true;
 
 #ifdef HAVE_MENU

configuration.c

@@ -965,6 +965,7 @@ static void config_set_defaults(void)
             g_defaults.path.config, sizeof(global->path.config));
 
    settings->config_save_on_exit = config_save_on_exit;
+   settings->show_hidden_files = show_hidden_files;
 
    /* Avoid reloading config on every content load */
    if (default_block_config_read)
@@ -1314,6 +1315,7 @@ static bool config_load_file(const char *path, bool set_defaults,
       { "sort_savefiles_enable",       &settings->sort_savefiles_enable},
       { "sort_savestates_enable",      &settings->sort_savestates_enable},
       { "config_save_on_exit",         &settings->config_save_on_exit},
+      { "show_hidden_files",           &settings->show_hidden_files},
 #ifdef HAVE_MENU
       { "dpi_override_enable",         &settings->menu.dpi.override_enable},
 #endif
@@ -2921,6 +2923,7 @@ int populate_settings_bool(settings_t *settings, struct config_bool_setting *out
       { "sort_savefiles_enable",        settings->sort_savefiles_enable},
       { "sort_savestates_enable",       settings->sort_savestates_enable},
       { "config_save_on_exit",          settings->config_save_on_exit},
+      { "show_hidden_files",            settings->show_hidden_files},
       { "input_autodetect_enable",      settings->input.autodetect_enable},
       { "audio_rate_control",           settings->audio.rate_control}
    };

configuration.h

@@ -495,6 +495,7 @@ typedef struct settings
 #endif
 
    bool config_save_on_exit;
+   bool show_hidden_files;
 
 #ifdef HAVE_LAKKA
    bool ssh_enable;

cores/libretro-imageviewer/image_core.c

@@ -240,7 +240,7 @@ bool IMAGE_CORE_PREFIX(retro_load_game)(const struct retro_game_info *info)
    path_basedir(dir);
 
    file_list = dir_list_new(dir, IMAGE_CORE_PREFIX(valid_extensions),
-         false,false,false);
+         false,true,false,false);
    dir_list_sort(file_list, false);
    free(dir);
 

gfx/drivers_context/drm_ctx.c

@@ -366,7 +366,7 @@ static void *gfx_ctx_drm_init(void *video_driver)
       return NULL;
 
    fd   = -1;
-   gpu_descriptors = dir_list_new("/dev/dri", NULL, false, false, false);
+   gpu_descriptors = dir_list_new("/dev/dri", NULL, false, true, false, false);
 
 nextgpu:
    free_drm_resources(drm);

gfx/video_filter.c

@@ -409,7 +409,7 @@ rarch_softfilter_t *rarch_softfilter_new(const char *filter_config,
    if (!frontend_driver_get_core_extension(ext_name, sizeof(ext_name)))
          goto error;
 
-   plugs = dir_list_new(basedir, ext_name, false, false, false);
+   plugs = dir_list_new(basedir, ext_name, false, false, false, false);
 
    if (!plugs)
    {

intl/msg_hash_us.c

@@ -991,6 +991,10 @@ int menu_hash_get_help_us_enum(enum msg_hash_enums msg, char *s, size_t len)
 #endif
                );
          break;
+      case MENU_ENUM_LABEL_SHOW_HIDDEN_FILES:
+         snprintf(s, len, "Show hidden files\n"
+               "and folders.");
+         break;
       case MENU_ENUM_LABEL_VIDEO_SHADER_FILTER_PASS:
          snprintf(s, len,
                "Hardware filter for this pass. \n"
@@ -2518,6 +2522,8 @@ static const char *menu_hash_to_str_us_label_enum(enum msg_hash_enums msg)
          return "auto_overrides_enable";
       case MENU_ENUM_LABEL_CONFIG_SAVE_ON_EXIT:
          return "config_save_on_exit";
+      case MENU_ENUM_LABEL_SHOW_HIDDEN_FILES:
+         return "show_hidden_files";
       case MENU_ENUM_LABEL_VIDEO_SMOOTH:
          return "video_smooth";
       case MENU_ENUM_LABEL_VIDEO_GAMMA:
@@ -3841,6 +3847,8 @@ const char *msg_hash_to_str_us(enum msg_hash_enums msg)
          return "Load Override Files Automatically";
       case MENU_ENUM_LABEL_VALUE_CONFIG_SAVE_ON_EXIT:
          return "Save Configuration On Exit";
+      case MENU_ENUM_LABEL_VALUE_SHOW_HIDDEN_FILES:
+         return "Show Hidden Files and Folders";
       case MENU_ENUM_LABEL_VALUE_VIDEO_SMOOTH:
          return "HW Bilinear Filtering";
       case MENU_ENUM_LABEL_VALUE_VIDEO_GAMMA:

libretro-common/include/lists/dir_list.h

@@ -34,7 +34,9 @@ RETRO_BEGIN_DECLS
  * @dir                : directory path.
  * @ext                : allowed extensions of file directory entries to include.
  * @include_dirs       : include directories as part of the finished directory listing?
+ * @include_hidden     : include hidden files and directories as part of the finished directory listing?
  * @include_compressed : include compressed files, even when not part of ext.
+ * @recursive          : list directory contents recursively
  *
  * Create a directory listing.
  *
@@ -42,7 +44,7 @@ RETRO_BEGIN_DECLS
  * NULL in case of error. Has to be freed manually.
  **/
 struct string_list *dir_list_new(const char *dir, const char *ext,
-      bool include_dirs, bool include_compressed, bool recursive);
+      bool include_dirs, bool include_hidden, bool include_compressed, bool recursive);
 
 /**
  * dir_list_sort:
@@ -69,13 +71,16 @@ void dir_list_free(struct string_list *list);
  * @list               : the string list to add files to
  * @ext_list           : the string list of extensions to include
  * @include_dirs       : include directories as part of the finished directory listing?
+ * @include_hidden     : include hidden files and directories as part of the finished directory listing?
  * @include_compressed : Only include files which match ext. Do not try to match compressed files, etc.
+ * @recursive          : list directory contents recursively
  *
  * Add files within a directory to an existing string list
  *
  * Returns: -1 on error, 0 on success.
  **/
-int dir_list_read(const char *dir, struct string_list *list, struct string_list *ext_list, bool include_dirs, bool include_compressed, bool recursive);
+int dir_list_read(const char *dir, struct string_list *list, struct string_list *ext_list,
+      bool include_dirs, bool include_hidden, bool include_compressed, bool recursive);
 
 RETRO_END_DECLS
 

libretro-common/lists/dir_list.c

@@ -151,7 +151,9 @@ static int parse_dir_entry(const char *name, char *file_path,
  * @dir                : directory path.
  * @ext                : allowed extensions of file directory entries to include.
  * @include_dirs       : include directories as part of the finished directory listing?
+ * @include_hidden     : include hidden files and directories as part of the finished directory listing?
  * @include_compressed : Only include files which match ext. Do not try to match compressed files, etc.
+ * @recursive          : list directory contents recursively
  *
  * Create a directory listing.
  *
@@ -159,7 +161,7 @@ static int parse_dir_entry(const char *name, char *file_path,
  * NULL in case of error. Has to be freed manually.
  **/
 struct string_list *dir_list_new(const char *dir,
-      const char *ext, bool include_dirs, bool include_compressed, bool recursive)
+      const char *ext, bool include_dirs, bool include_hidden, bool include_compressed, bool recursive)
 {
    struct string_list *ext_list   = NULL;
    struct string_list *list       = NULL;
@@ -170,7 +172,7 @@ struct string_list *dir_list_new(const char *dir,
    if (ext)
       ext_list = string_split(ext, "|");
 
-   if(dir_list_read(dir, list, ext_list, include_dirs, include_compressed, recursive) == -1) {
+   if(dir_list_read(dir, list, ext_list, include_dirs, include_hidden, include_compressed, recursive) == -1) {
       string_list_free(list);
       string_list_free(ext_list);
       return NULL;
@@ -186,13 +188,15 @@ struct string_list *dir_list_new(const char *dir,
  * @list               : the string list to add files to
  * @ext_list           : the string list of extensions to include
  * @include_dirs       : include directories as part of the finished directory listing?
+ * @include_hidden     : include hidden files and directories as part of the finished directory listing?
  * @include_compressed : Only include files which match ext. Do not try to match compressed files, etc.
+ * @recursive          : list directory contents recursively
  *
  * Add files within a directory to an existing string list
  *
  * Returns: -1 on error, 0 on success.
  **/
-int dir_list_read(const char *dir, struct string_list *list, struct string_list *ext_list, bool include_dirs, bool include_compressed, bool recursive)
+int dir_list_read(const char *dir, struct string_list *list, struct string_list *ext_list, bool include_dirs, bool include_hidden, bool include_compressed, bool recursive)
 {
    struct RDIR *entry = retro_opendir(dir);
 
@@ -205,6 +209,13 @@ int dir_list_read(const char *dir, struct string_list *list, struct string_list
       return -1;
    }
 
+#ifdef _WIN32
+   if (include_hidden)
+      entry.dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN;
+   else
+      entry.dwFileAttributes &= ~FILE_ATTRIBUTE_HIDDEN;
+#endif
+
    while (retro_readdir(entry))
    {
       bool is_dir                     = false;
@@ -216,11 +227,17 @@ int dir_list_read(const char *dir, struct string_list *list, struct string_list
       fill_pathname_join(file_path, dir, name, sizeof(file_path));
       is_dir = retro_dirent_is_dir(entry, file_path);
 
+      if (!include_hidden)
+      {
+         if (*name == '.')
+            continue;
+      }
+
       if(is_dir && recursive) {
-         if(strncmp(name, ".", 1) == 0 || strncmp(name, "..", 2) == 0)
+         if(strstr(name, ".") || strstr(name, ".."))
             continue;
 
-         dir_list_read(file_path, list, ext_list, include_dirs, include_compressed, recursive);
+         dir_list_read(file_path, list, ext_list, include_dirs, include_hidden, include_compressed, recursive);
       }
 
       ret    = parse_dir_entry(name, file_path, is_dir,

list_special.c

@@ -44,6 +44,7 @@
 #include "audio/audio_driver.h"
 #include "audio/audio_resampler_driver.h"
 #include "record/record_driver.h"
+#include "configuration.h"
 
 struct string_list *dir_list_new_special(const char *input_dir,
       enum dir_list_type type, const char *filter)
@@ -54,6 +55,7 @@ struct string_list *dir_list_new_special(const char *input_dir,
    const char *exts                  = NULL;
    bool include_dirs                 = false;
    bool recursive                    = false;
+   settings_t *settings              = config_get_ptr();
 
    (void)input_dir;
 
@@ -135,7 +137,7 @@ struct string_list *dir_list_new_special(const char *input_dir,
          return NULL;
    }
 
-   return dir_list_new(dir, exts, include_dirs, type == DIR_LIST_CORE_INFO, recursive);
+   return dir_list_new(dir, exts, include_dirs, settings->show_hidden_files, type == DIR_LIST_CORE_INFO, recursive);
 }
 
 struct string_list *string_list_new_special(enum string_list_type type,

menu/menu_displaylist.c

@@ -3165,6 +3165,7 @@ static int menu_displaylist_parse_playlists(
    size_t i, list_size;
    struct string_list *str_list = NULL;
    unsigned items_found         = 0;
+   settings_t *settings         = config_get_ptr();
 
    if (!*info->path)
    {
@@ -3174,7 +3175,7 @@ static int menu_displaylist_parse_playlists(
       return 0;
    }
 
-   str_list = dir_list_new(info->path, NULL, true, true, false);
+   str_list = dir_list_new(info->path, NULL, true, settings->show_hidden_files, true, false);
 
    if (!str_list)
    {
@@ -3272,6 +3273,7 @@ static int menu_displaylist_parse_cores(
    bool filter_ext              = true;
    struct string_list *str_list = NULL;
    unsigned items_found         = 0;
+   settings_t *settings         = config_get_ptr();
 
    if (!*info->path)
    {
@@ -3283,7 +3285,7 @@ static int menu_displaylist_parse_cores(
 
    str_list = dir_list_new(info->path,
          filter_ext ? info->exts : NULL,
-         true, true, false);
+         true, settings->show_hidden_files, true, false);
 
    {
       char out_dir[PATH_MAX_LENGTH] = {0};
@@ -3489,7 +3491,7 @@ static int menu_displaylist_parse_generic(
    else
       str_list = dir_list_new(info->path,
             filter_ext ? info->exts : NULL,
-            true, true, false);
+            true, settings->show_hidden_files, true, false);
 
 #ifdef HAVE_LIBRETRODB
    if (BIT32_GET(filebrowser_types, FILEBROWSER_SCAN_DIR))
@@ -4474,6 +4476,9 @@ bool menu_displaylist_ctl(enum menu_displaylist_ctl_state type, void *data)
          menu_displaylist_parse_settings_enum(menu, info,
                MENU_ENUM_LABEL_AUTO_REMAPS_ENABLE,
                PARSE_ONLY_BOOL, false);
+         menu_displaylist_parse_settings_enum(menu, info,
+               MENU_ENUM_LABEL_SHOW_HIDDEN_FILES,
+               PARSE_ONLY_BOOL, false);
 
          info->need_refresh = true;
          info->need_push    = true;

menu/menu_setting.c

@@ -4711,6 +4711,22 @@ static bool setting_append_list(
                SD_FLAG_NONE);
          menu_settings_list_current_add_enum_idx(list, list_info, MENU_ENUM_LABEL_CONFIG_SAVE_ON_EXIT);
 
+         CONFIG_BOOL(
+               list, list_info,
+               &settings->show_hidden_files,
+               msg_hash_to_str(MENU_ENUM_LABEL_SHOW_HIDDEN_FILES),
+               msg_hash_to_str(MENU_ENUM_LABEL_VALUE_SHOW_HIDDEN_FILES),
+               show_hidden_files,
+               msg_hash_to_str(MENU_ENUM_LABEL_VALUE_OFF),
+               msg_hash_to_str(MENU_ENUM_LABEL_VALUE_ON),
+               &group_info,
+               &subgroup_info,
+               parent_group,
+               general_write_handler,
+               general_read_handler,
+               SD_FLAG_NONE);
+         menu_settings_list_current_add_enum_idx(list, list_info, MENU_ENUM_LABEL_SHOW_HIDDEN_FILES);
+
          CONFIG_BOOL(
                list, list_info,
                &settings->game_specific_options,

msg_hash.h

@@ -1147,6 +1147,9 @@ enum msg_hash_enums
    MENU_ENUM_LABEL_CONFIG_SAVE_ON_EXIT,
    MENU_ENUM_LABEL_VALUE_CONFIG_SAVE_ON_EXIT,
 
+   MENU_ENUM_LABEL_SHOW_HIDDEN_FILES,
+   MENU_ENUM_LABEL_VALUE_SHOW_HIDDEN_FILES,
+
    /* Driver settings */
 
    MENU_ENUM_LABEL_AUDIO_DRIVER,

retroarch.cfg

@@ -122,6 +122,9 @@
 # Load up a specific config file based on the core being used.
 # core_specific_config = false
 
+# Shows hidden files and folders in directory listings.
+# show_hidden_files = true
+
 #### Video
 
 # Video driver to use. "gl", "xvideo", "sdl"