PSP: Add locale support

CMakeLists.txt

@@ -2695,6 +2695,9 @@ elseif(PSP)
   )
   set(HAVE_SDL_THREADS TRUE)
 
+  sdl_glob_sources("${SDL3_SOURCE_DIR}/src/locale/psp/*.c")
+  set(HAVE_SDL_LOCALE TRUE)
+
   set(SDL_TIME_PSP 1)
   sdl_glob_sources("${SDL3_SOURCE_DIR}/src/time/psp/*.c")
   set(HAVE_SDL_TIME TRUE)

src/locale/psp/SDL_syslocale.c

@@ -0,0 +1,78 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+#include "../SDL_syslocale.h"
+
+#include <psputility.h>
+
+bool SDL_SYS_GetPreferredLocales(char *buf, size_t buflen)
+{
+    int current_locale_int = PSP_SYSTEMPARAM_LANGUAGE_ENGLISH;
+
+    SDL_assert(buflen > 0);
+
+    sceUtilityGetSystemParamInt(PSP_SYSTEMPARAM_ID_INT_LANGUAGE, &current_locale_int);
+    switch(current_locale_int) {
+        case PSP_SYSTEMPARAM_LANGUAGE_JAPANESE:
+            SDL_strlcpy(buf, "ja_JP", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_ENGLISH:
+            SDL_strlcpy(buf, "en_US", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_FRENCH:
+            SDL_strlcpy(buf, "fr_FR", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_SPANISH:
+            SDL_strlcpy(buf, "es_ES", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_GERMAN:
+            SDL_strlcpy(buf, "de_DE", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_ITALIAN:
+            SDL_strlcpy(buf, "it_IT", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_DUTCH:
+            SDL_strlcpy(buf, "nl_NL", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_PORTUGUESE:
+            SDL_strlcpy(buf, "pt_PT", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_RUSSIAN:
+            SDL_strlcpy(buf, "ru_RU", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_KOREAN:
+            SDL_strlcpy(buf, "ko_KR", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_CHINESE_TRADITIONAL:
+            SDL_strlcpy(buf, "zh_CH", buflen);
+            break;
+        case PSP_SYSTEMPARAM_LANGUAGE_CHINESE_SIMPLIFIED:
+            SDL_strlcpy(buf, "zh_TW", buflen);
+            break;
+        default:
+            SDL_strlcpy(buf, "en_US", buflen);
+            break;
+    }
+    return true;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */