Detect language on first boot on Windows (Vista+) and Android

Core/Config.cpp

@@ -21,6 +21,7 @@
 #include "Common/FileUtil.h"
 #include "Config.h"
 #include "file/ini_file.h"
+#include "i18n/i18n.h"
 #include "HLE/sceUtility.h"
 #include "Common/CPUDetect.h"
 
@@ -55,7 +56,16 @@ void Config::Load(const char *iniFileName, const char *controllerIniFilename)
 	general->Get("IgnoreBadMemAccess", &bIgnoreBadMemAccess, true);
 	general->Get("CurrentDirectory", &currentDirectory, "");
 	general->Get("ShowDebuggerOnLoad", &bShowDebuggerOnLoad, false);
-	general->Get("Language", &languageIni, "en_US");
+
+	std::string defaultLangRegion = "en_US";
+	if (bFirstRun) {
+		std::string langRegion = System_GetProperty(SYSPROP_LANGREGION);
+		if (i18nrepo.IniExists(langRegion))
+			defaultLangRegion = langRegion;
+		// TODO: Be smart about same language, different country
+	}
+
+	general->Get("Language", &languageIni, defaultLangRegion.c_str());
 	general->Get("NumWorkerThreads", &iNumWorkerThreads, cpu_info.num_cores);
 	general->Get("EnableCheats", &bEnableCheats, false);
 	general->Get("ScreenshotsAsPNG", &bScreenshotsAsPNG, false);

UI/MiscScreens.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2013- PPSSPP Project.
+// Copyright (c) 2013- PPSSPP Project.
 
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by

Windows/main.cpp

@@ -15,6 +15,7 @@
 // Official git repository and contact information can be found at
 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
 
+#include <WinNls.h>
 #include "Common/CommonWindows.h"
 
 #include "file/vfs.h"
@@ -51,6 +52,8 @@
 CDisasm *disasmWindow[MAX_CPUCOUNT] = {0};
 CMemoryDlg *memoryWindow[MAX_CPUCOUNT] = {0};
 
+static std::string langRegion;
+
 void LaunchBrowser(const char *url) {
 	ShellExecute(NULL, L"open", ConvertUTF8ToWString(url).c_str(), NULL, NULL, SW_SHOWNORMAL);
 }
@@ -60,7 +63,7 @@ std::string System_GetProperty(SystemProperty prop) {
 	case SYSPROP_NAME:
 		return "PC:Windows";
 	case SYSPROP_LANGREGION:
-		return "en_US";
+		return langRegion;
 	default:
 		return "";
 	}
@@ -87,7 +90,6 @@ int WINAPI WinMain(HINSTANCE _hInstance, HINSTANCE hPrevInstance, LPSTR szCmdLin
 	hideLog = false;
 #endif
 
-
 	// The rest is handled in NativeInit().
 	for (int i = 1; i < __argc; ++i)
 	{
@@ -109,14 +111,29 @@ int WINAPI WinMain(HINSTANCE _hInstance, HINSTANCE hPrevInstance, LPSTR szCmdLin
 		}
 	}
 
+	VFSRegister("", new DirectoryAssetReader("assets/"));
+	VFSRegister("", new DirectoryAssetReader(""));
+
+	wchar_t lcCountry[256];
+
+	// LOCALE_SNAME is only available in WinVista+
+	// Really should find a way to do this in XP too :/
+	if (0 != GetLocaleInfo(LOCALE_NAME_USER_DEFAULT, LOCALE_SNAME, lcCountry, 256)) {
+		langRegion = ConvertWStringToUTF8(lcCountry);
+		for (int i = 0; i < langRegion.size(); i++) {
+			if (langRegion[i] == '-')
+				langRegion[i] = '_';
+		}
+	} else {
+		langRegion = "en_US";
+	}
+
 	g_Config.Load();
 
 	LogManager::Init();
 	LogManager::GetInstance()->GetConsoleListener()->Open(hideLog, 150, 120, "PPSSPP Debug Console");
 	LogManager::GetInstance()->SetLogLevel(LogTypes::G3D, LogTypes::LERROR);
 
-	VFSRegister("", new DirectoryAssetReader("assets/"));
-	VFSRegister("", new DirectoryAssetReader(""));
 
 	//Windows, API init stuff
 	INITCOMMONCONTROLSEX comm;

headless/Headless.cpp

@@ -12,7 +12,8 @@
 #include "Core/Host.h"
 #include "Log.h"
 #include "LogManager.h"
-#include "native/input/input_state.h"
+#include "base/NativeApp.h"
+#include "input/input_state.h"
 
 #include "Compare.h"
 #include "StubHost.h"
@@ -57,6 +58,8 @@ void GL_SwapBuffers() { }
 void NativeUpdate(InputState &input_state) { }
 void NativeRender() { }
 
+std::string System_GetProperty(SystemProperty prop) { return ""; }
+
 #ifndef _WIN32
 InputState input_state;
 #endif

unittest/UnitTest.cpp

@@ -30,6 +30,7 @@
 #include <cmath>
 #include <string>
 
+#include "base/NativeApp.h"
 #include "Common/ArmEmitter.h"
 #include "ext/disarm.h"
 #include "math/math_util.h"
@@ -41,6 +42,7 @@
 
 #define RET(a) if (!(a)) { return false; }
 
+std::string System_GetProperty(SystemProperty prop) { return ""; }
 
 bool CheckLast(ArmGen::ARMXEmitter &emit, const char *comp) {
 	u32 instr;