rg_input: Renamed rg_input_get_key_mapping to rg_input_key_is_present

It seems more descriptive. It returns true if the key is present/exists on the current device.

Author: ducalex

components/retro-go/rg_gui.c

@@ -2039,7 +2039,7 @@ void rg_gui_options_menu(void)
 void rg_gui_about_menu(void)
 {
     const rg_app_t *app = rg_system_get_app();
-    bool have_option_btn = rg_input_get_key_mapping(RG_KEY_OPTION);
+    bool have_option_btn = rg_input_key_is_present(RG_KEY_OPTION);
 
     // TODO: Add indicator whether or not the build is a release, and if it's official (built by me)
     rg_gui_option_t options[20] = {
@@ -2245,7 +2245,7 @@ int rg_gui_savestate_menu(const char *title, const char *rom_path)
 void rg_gui_game_menu(void)
 {
     const char *rom_path = rg_system_get_app()->romPath;
-    bool have_option_btn = rg_input_get_key_mapping(RG_KEY_OPTION);
+    bool have_option_btn = rg_input_key_is_present(RG_KEY_OPTION);
     const rg_gui_option_t choices[] = {
         {1000, _("Save & Continue"), NULL, RG_DIALOG_FLAG_NORMAL, NULL},
         {2000, _("Save & Quit"),     NULL, RG_DIALOG_FLAG_NORMAL, NULL},

components/retro-go/rg_input.c

@@ -372,6 +372,11 @@ void rg_input_deinit(void)
     RG_LOGI("Input terminated.\n");
 }
 
+bool rg_input_key_is_present(rg_key_t mask)
+{
+    return (gamepad_mapped & mask) == mask;
+}
+
 uint32_t rg_input_read_gamepad(void)
 {
 #ifdef RG_TARGET_SDL2
@@ -424,10 +429,3 @@ const char *rg_input_get_key_name(rg_key_t key)
     default: return "Unknown";
     }
 }
-
-const char *rg_input_get_key_mapping(rg_key_t key)
-{
-    if ((gamepad_mapped & key) == key)
-        return "PHYSICAL";
-    return NULL;
-}

components/retro-go/rg_input.h

@@ -90,13 +90,11 @@ typedef struct
 
 void rg_input_init(void);
 void rg_input_deinit(void);
+bool rg_input_key_is_present(rg_key_t mask);
 bool rg_input_key_is_pressed(rg_key_t mask);
 bool rg_input_wait_for_key(rg_key_t mask, bool pressed, int timeout_ms);
-const char *rg_input_get_key_name(rg_key_t key);
-const char *rg_input_get_key_mapping(rg_key_t key);
 uint32_t rg_input_read_gamepad(void);
-int rg_input_read_keyboard(void);
 rg_battery_t rg_input_read_battery(void);
 bool rg_input_read_gamepad_raw(uint32_t *out);
-bool rg_input_read_keyboard_raw(int *out);
 bool rg_input_read_battery_raw(rg_battery_t *out);
+const char *rg_input_get_key_name(rg_key_t key);