From 0cc36302575b2bc3b2f1dc56648f7c8365a70a82 Mon Sep 17 00:00:00 2001
From: twinaphex
Date: Mon, 16 Aug 2021 21:53:45 +0200
Subject: Update core options

---
 libretro.h              | 20 ++++++++++++++++++++
 libretro_core_options.h | 17 +++++++++++------
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/libretro.h b/libretro.h
index 076dd25..2c30120 100644
--- a/libretro.h
+++ b/libretro.h
@@ -3519,6 +3519,26 @@ struct retro_core_option_v2_definition
     * in the retro_core_option_value array, otherwise will be
     * ignored */
    const char *default_value;
+
+   /* Specify the type this option represents so the frontend
+    * can present the user an alternative input method besides
+    * a limited list of possible values.
+    * > If set to "int", all values need to be integers
+    *   and a frontend with support for numerical input will
+    *   allow input of any number betwen the lowest and
+    *   highest defined value.
+    * > If set to "float", all values need to be numbers
+    *   and a frontend with support for numerical input will
+    *   allow input of any number betwen the lowest and
+    *   highest defined value.
+    * > If set to "bool", there should be only two values
+    *   "true" and "false" (label can be anything)
+    *   The frontend can choose to show a checkbox for it.
+    * > If NULL or set to "enum", the frontend will show
+    *   the list of values and input will be limited to them.
+    * Future versions of the specs could allow this for more
+    * types or to be "TYPE:MORE:OPTIONS" */
+   const char *type_info;
 };
 
 struct retro_core_options_v2
diff --git a/libretro_core_options.h b/libretro_core_options.h
index 9b89154..7588801 100644
--- a/libretro_core_options.h
+++ b/libretro_core_options.h
@@ -77,7 +77,8 @@ struct retro_core_option_v2_definition option_defs_us[] = {
          { "PAL",  NULL },
          { NULL, NULL },
       },
-      "auto"
+      "auto",
+      NULL
    },
    {
       "snes9x_2005_frameskip",
@@ -92,7 +93,8 @@ struct retro_core_option_v2_definition option_defs_us[] = {
          { "manual",   "Manual" },
          { NULL, NULL },
       },
-      "disabled"
+      "disabled",
+      NULL
    },
    {
       "snes9x_2005_frameskip_threshold",
@@ -120,7 +122,8 @@ struct retro_core_option_v2_definition option_defs_us[] = {
          { "60", NULL },
          { NULL, NULL },
       },
-      "33"
+      "33",
+      "int"
    },
    {
       "snes9x_2005_overclock_cycles",
@@ -135,7 +138,8 @@ struct retro_core_option_v2_definition option_defs_us[] = {
          { "max",        "Max" },
          { NULL, NULL },
       },
-      "disabled"
+      "disabled",
+      NULL
    },
    {
       "snes9x_2005_reduce_sprite_flicker",
@@ -149,9 +153,10 @@ struct retro_core_option_v2_definition option_defs_us[] = {
          { "enabled",  NULL },
          { NULL, NULL },
       },
-      "disabled"
+      "disabled",
+      "bool"
    },
-   { NULL, NULL, NULL, NULL, NULL, NULL, {{0}}, NULL },
+   { NULL, NULL, NULL, NULL, NULL, NULL, {{0}}, NULL, NULL },
 };
 
 struct retro_core_options_v2 options_us = {
-- 
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