[Launcher] Add Launcher Language setting

source-code/source/plugins/Launcher/Resources.restext

@@ -148,6 +148,8 @@ USE_DIVAHOOK_BAT_NAME=Use divahook.bat
 USE_DIVAHOOK_BAT_HINT=Launches divahook.bat intead of diva.exe.
 DARK_LAUNCHER_NAME=Dark Launcher
 DARK_LAUNCHER_HINT=Sets the dark colour scheme in the launcher.
+LAUNCHER_LANGUAGE_NAME=Launcher Language:
+LAUNCHER_LANGUAGE_HINT=Sets the Language of the launcher.
 NO_GPU_DIALOG_NAME=Disable GPU Warning
 NO_GPU_DIALOG_HINT=Disables the warning dialog for unsupported GPUs.
 

source-code/source/plugins/Launcher/Resources.zh-Hans.restext

@@ -166,6 +166,8 @@ USE_DIVAHOOK_BAT_NAME=使用 divahook.bat
 USE_DIVAHOOK_BAT_HINT=启动 divahook.bat 而非 diva.exe
 DARK_LAUNCHER_NAME=暗黑模式
 DARK_LAUNCHER_HINT=启用启动器自带的暗黑主题
+LAUNCHER_LANGUAGE_NAME=启动器语言
+LAUNCHER_LANGUAGE_HINT=设置启动器语言。
 NO_GPU_DIALOG_NAME=停用 GPU 警告信息
 NO_GPU_DIALOG_HINT=停用对于不支持的 GPU 的警告信息
 

source-code/source/plugins/Launcher/framework.h

@@ -65,6 +65,9 @@ LPCWSTR KEYCONFIG_SECTION = L"keyconfig";
 
 int nSkipLauncher = GetPrivateProfileIntW(LAUNCHER_SECTION, L"skip", FALSE, CONFIG_FILE);
 int nNoGPUDialog = GetPrivateProfileIntW(LAUNCHER_SECTION, L"no_gpu_dialog", FALSE, CONFIG_FILE);
+int nLanguage = GetPrivateProfileIntW(LAUNCHER_SECTION, L"launcher_language", FALSE, CONFIG_FILE);
+
+std::vector<LPCWSTR> languages = std::vector<LPCWSTR>({ L"Automatic", L"en", L"zh-Hans" });
 
 void SetBackCol(Control^ elem, System::Drawing::Color color, System::Windows::Forms::FlatStyle cbxStyle)
 {
@@ -281,6 +284,7 @@ ConfigOptionBase* optionsArray[] = {
 	new OptionMetaSpacer(8),
 
 	new BooleanOption(L"dark_launcher", LAUNCHER_SECTION, CONFIG_FILE, L"DARK_LAUNCHER_NAME", L"DARK_LAUNCHER_HINT", false, false),
+	new DropdownOption(L"launcher_language",LAUNCHER_SECTION,CONFIG_FILE, L"LAUNCHER_LANGUAGE_NAME",L"LAUNCHER_LANGUAGE_HINT", 0, languages),
 	//new BooleanOption(L"acrylic_blur", LAUNCHER_SECTION, CONFIG_FILE, L"ACRYLIC_BLUR_NAME", L"ACRYLIC_BLUR_HINT", false, false),
 	new BooleanOption(L"no_gpu_dialog", LAUNCHER_SECTION, CONFIG_FILE, L"NO_GPU_DIALOG_NAME", L"NO_GPU_DIALOG_HINT", false, false),
 };

source-code/source/plugins/Launcher/ui.h

@@ -21,6 +21,8 @@ namespace Launcher {
 	using namespace System::Windows::Forms;
 	using namespace System::Data;
 	using namespace System::Drawing;
+	using namespace System::Threading;
+	using namespace System::Globalization;
 	using namespace msclr::interop;
 
 	HWND hWnd;
@@ -34,13 +36,12 @@ namespace Launcher {
 	public:
 		ui(void)
 		{
+			SetLanguage();
+
 			InitializeComponent();
 
 			hWnd = (HWND)Control::Handle.ToPointer();
 
-			this->ClientSize = Drawing::Size(444, 323);
-			TabPadding^ tabpad = gcnew TabPadding(tabControl);
-
 			// if components.ini has no section name, add one
 			if (!IsLineInFile("[components]", COMPONENTS_FILE))
 			{
@@ -59,7 +60,19 @@ namespace Launcher {
 				PrependFile("[keyconfig]\n", KEYCONFIG_FILE);
 			}
 
+			// trick Optimus into switching to the NVIDIA GPU
+			if (cuInit != NULL) cuInit(0);
 
+			int argc = 1;
+			char* argv[1] = { (char*)"" };
+
+			glutInit(&argc, argv);
+
+			addOptions();
+			updateStyle();
+		}
+
+		void addOptions() {
 			this->panel_ScreenRes->SuspendLayout();
 
 			// populate options (patches) from array in framework
@@ -202,21 +215,11 @@ namespace Launcher {
 			this->panel_Custom->PerformLayout();
 
 
-			// trick Optimus into switching to the NVIDIA GPU
-			if (cuInit != NULL) cuInit(0);
-
-			int argc = 1;
-			char* argv[1] = { (char*)"" };
-
-
 			updateLagCompMsec();
 
-			updateStyle();
-
 			scanModpacks();
 
 
-			glutInit(&argc, argv);
 			int window = glutCreateWindow("glut"); // a context must be created to use glGetString
 			glutHideWindow();
 
@@ -471,6 +474,26 @@ namespace Launcher {
 			tabPage_Modpacks->Enabled = false;
 		}
 
+		void updateLanguage() {
+			int language = GetPrivateProfileIntW(LAUNCHER_SECTION, L"launcher_language", FALSE, CONFIG_FILE);
+			if (nLanguage == language)
+				return;
+			nLanguage = language;
+
+			SetLanguage();
+
+			this->Controls->Clear();
+			this->InitializeComponent();
+			this->addOptions();
+		}
+
+		void SetLanguage() {
+			if (nLanguage == 0) {
+				Thread::CurrentThread->CurrentUICulture = gcnew CultureInfo(GetUserDefaultLCID());
+			} else if (nLanguage <= languages.size() - 1) {
+				Thread::CurrentThread->CurrentUICulture = CultureInfo::CreateSpecificCulture(gcnew String(languages[nLanguage]));
+			}
+		}
 	private:
 
 
@@ -1340,9 +1363,8 @@ private: System::Void button_github_Click(System::Object^ sender, System::EventA
 }
 private: System::Void button_Apply_Click(System::Object^ sender, System::EventArgs^ e) {
 	SaveSettings();
+	updateLanguage();
 	updateStyle();
-	//ShowWindow(hWnd, SW_HIDE);
-	//ShowWindow(hWnd, SW_SHOW);
 }
 private: System::Void Ui_KeyDown(System::Object^ sender, System::Windows::Forms::KeyEventArgs^ e) {
 	if (e->KeyCode == Keys::Escape) this->Close();