Implement input descriptor labels

config.def.h

@@ -636,6 +636,10 @@ static const unsigned turbo_duty_cycle = 3;
  * gamepads, plug-and-play style. */
 static const bool input_autodetect_enable = true;
 
+/* Show the input descriptors set by the core instead 
+ * of the default ones. */
+static const bool input_descriptor_label_show = true;
+
 #ifndef IS_SALAMANDER
 #include "intl/intl.h"
 

general.h

@@ -378,6 +378,7 @@ struct settings
       float overlay_scale;
 
       char autoconfig_dir[PATH_MAX];
+      bool input_descriptor_label_show;
    } input;
 
    struct

retroarch.cfg

@@ -316,6 +316,10 @@
 # joypads, Plug-and-Play style.
 # input_autodetect_enable = true
 
+# Show the input descriptors set by the core instead of the
+# default ones.
+# input_descriptor_label_show = true
+
 # Directory for joypad autoconfigs.
 # If a joypad is plugged in, that joypad will be autoconfigured if a config file
 # corresponding to that joypad is present in joypad_autoconfig_dir.

settings.c

@@ -437,9 +437,11 @@ static void config_set_defaults(void)
    g_settings.menu.navigation.wraparound.vertical_enable = true;
 #endif
 
+
    g_settings.location.allow = false;
    g_settings.camera.allow = false;
 
+   g_settings.input.input_descriptor_label_show = input_descriptor_label_show;
    rarch_assert(sizeof(g_settings.input.binds[0]) >= sizeof(retro_keybinds_1));
    rarch_assert(sizeof(g_settings.input.binds[1]) >= sizeof(retro_keybinds_rest));
    memcpy(g_settings.input.binds[0], retro_keybinds_1, sizeof(retro_keybinds_1));
@@ -996,6 +998,8 @@ static bool config_load_file(const char *path, bool set_defaults)
    CONFIG_GET_FLOAT(input.axis_threshold, "input_axis_threshold");
    CONFIG_GET_BOOL(input.netplay_client_swap_input,
          "netplay_client_swap_input");
+   CONFIG_GET_BOOL(input.input_descriptor_label_show,
+         "input_descriptor_label_show");
 
    for (i = 0; i < MAX_PLAYERS; i++)
    {
@@ -1553,6 +1557,10 @@ bool config_save_file(const char *path)
 
    config_set_float(conf, "input_axis_threshold",
          g_settings.input.axis_threshold);
+   config_set_bool(conf, "netplay_client_swap_input",
+         g_settings.input.netplay_client_swap_input);
+   config_set_bool(conf, "input_descriptor_label_show",
+         g_settings.input.input_descriptor_label_show);
    config_set_bool(conf,  "load_dummy_on_core_shutdown",
          g_settings.load_dummy_on_core_shutdown);
    config_set_bool(conf,  "fps_show", g_settings.fps_show);

settings_data.c

@@ -1292,8 +1292,7 @@ int setting_data_get_description(const char *label, char *msg,
                " \n"
                "This driver requires an active TTY. Keyboard \n"
                "events are read directly from the TTY which \n"
-               "makes it simpler, but not as flexible as udev. \n"
-               "Mice, etc, are not supported at all. \n"
+               "makes it simpler, but not as flexible as udev. \n" "Mice, etc, are not supported at all. \n"
                " \n"
                "This driver uses the older joystick API \n"
                "(/dev/input/js*).");
@@ -4309,6 +4308,19 @@ static bool setting_data_append_list_input_options(
          subgroup_info.name,
          general_write_handler,
          general_read_handler);
+
+   CONFIG_BOOL(
+         g_settings.input.input_descriptor_label_show,
+         "input_descriptor_label_show",
+         "Show Core Input Descriptor Labels",
+         input_descriptor_label_show,
+         "OFF",
+         "ON",
+         group_info.name,
+         subgroup_info.name,
+         general_write_handler,
+         general_read_handler);
+
    END_SUB_GROUP(list, list_info);
 
    START_SUB_GROUP(
@@ -4525,7 +4537,13 @@ static bool setting_data_append_list_input_options(
          if (!keybind || keybind->meta)
             continue;
 
-         snprintf(label, sizeof(label), "%s %s", buffer[player], keybind->desc);
+         if (g_settings.input.input_descriptor_label_show)
+            snprintf(label, sizeof(label), "%s %s", buffer[player],
+                  g_extern.system.input_desc_btn[player][i] 
+                  ? g_extern.system.input_desc_btn[player][i] : keybind->desc);
+         else
+            snprintf(label, sizeof(label), "%s %s", buffer[player], keybind->desc);
+
          snprintf(name, sizeof(name), "p%u_%s", player + 1, keybind->base);
 
          CONFIG_BIND(