/* * OpenVPN-GUI -- A Windows GUI for OpenVPN. * * Copyright (C) 2009 Heiko Hund * * 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 * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program (see the file COPYING included with this * distribution); if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include "config.h" #include "main.h" #include "localization.h" #include "openvpn-gui-res.h" #include "options.h" #include "registry.h" extern struct options o; static const LANGID fallbackLangId = MAKELANGID(LANG_ENGLISH, SUBLANG_NEUTRAL); static LANGID gui_language; static HRSRC FindResourceLang(PTSTR resType, PTSTR resId, LANGID langId) { HRSRC res; /* try to find the resource in requested language */ res = FindResourceEx(o.hInstance, resType, resId, langId); if (res) return res; /* try to find the resource in the default language */ res = FindResourceEx(o.hInstance, resType, resId, fallbackLangId); if (res) return res; /* try to find the resource in any language */ return FindResource(o.hInstance, resId, resType); } static LANGID GetGUILanguage(void) { if (gui_language != 0) return gui_language; HKEY regkey; DWORD value = 0; LONG status = RegOpenKeyEx(HKEY_CURRENT_USER, GUI_REGKEY_HKCU, 0, KEY_READ, ®key); if (status == ERROR_SUCCESS) GetRegistryValueNumeric(regkey, _T("ui_language"), &value); gui_language = ( value != 0 ? value : LANGIDFROMLCID(GetThreadLocale()) ); return gui_language; } static void SetGUILanguage(LANGID langId) { HKEY regkey; if (RegCreateKeyEx(HKEY_CURRENT_USER, GUI_REGKEY_HKCU, 0, NULL, 0, KEY_WRITE, NULL, ®key, NULL) != ERROR_SUCCESS ) ShowLocalizedMsg(IDS_ERR_CREATE_REG_HKCU_KEY, GUI_REGKEY_HKCU); SetRegistryValueNumeric(regkey, _T("ui_language"), langId); gui_language = langId; } static int LoadStringLang(UINT stringId, LANGID langId, PTSTR buffer, int bufferSize, va_list args) { PWCH entry; PTSTR resBlockId = MAKEINTRESOURCE(stringId / 16 + 1); int resIndex = stringId & 15; /* find resource block for string */ HRSRC res = FindResourceLang(RT_STRING, resBlockId, langId); if (res == NULL) return 0; /* get pointer to first entry in resource block */ entry = (PWCH) LoadResource(o.hInstance, res); if (entry == NULL) return 0; /* search for string in block */ for (int i = 0; i < 16; i++) { /* skip over this entry */ if (i != resIndex) { entry += ((*entry) + 1); continue; } /* string does not exist */ if (i == resIndex && *entry == 0) break; /* string found, copy it */ PTSTR formatStr = (PTSTR) malloc((*entry + 1) * sizeof(TCHAR)); if (formatStr == NULL) break; formatStr[*entry] = 0; #ifdef _UNICODE wcsncpy(formatStr, entry + 1, *entry); #else WideCharToMultiByte(CP_ACP, 0, entry + 1, *entry, formatStr, *entry, "?", NULL); #endif _vsntprintf(buffer, bufferSize, formatStr, args); buffer[bufferSize - 1] = 0; free(formatStr); return _tcslen(buffer); } return 0; } static PTSTR __LoadLocalizedString(const UINT stringId, va_list args) { static TCHAR msg[512]; msg[0] = 0; LoadStringLang(stringId, GetGUILanguage(), msg, _tsizeof(msg), args); return msg; } PTSTR LoadLocalizedString(const UINT stringId, ...) { va_list args; va_start(args, stringId); PTSTR str = __LoadLocalizedString(stringId, args); va_end(args); return str; } int LoadLocalizedStringBuf(PTSTR buffer, int bufferSize, const UINT stringId, ...) { va_list args; va_start(args, stringId); int len = LoadStringLang(stringId, GetGUILanguage(), buffer, bufferSize, args); va_end(args); return len; } void ShowLocalizedMsg(const UINT stringId, ...) { va_list args; va_start(args, stringId); MessageBox(NULL, __LoadLocalizedString(stringId, args), _T(PACKAGE_NAME), MB_OK | MB_SETFOREGROUND); va_end(args); } HICON LoadLocalizedIcon(const UINT iconId) { LANGID langId = GetGUILanguage(); /* find group icon resource */ HRSRC res = FindResourceLang(RT_GROUP_ICON, MAKEINTRESOURCE(iconId), langId); if (res == NULL) return NULL; HGLOBAL resInfo = LoadResource(o.hInstance, res); if (resInfo == NULL) return NULL; int id = LookupIconIdFromDirectory(resInfo, TRUE); if (id == 0) return NULL; /* find the actual icon */ res = FindResourceLang(RT_ICON, MAKEINTRESOURCE(id), langId); if (res == NULL) return NULL; resInfo = LoadResource(o.hInstance, res); if (resInfo == NULL) return NULL; DWORD resSize = SizeofResource(o.hInstance, res); if (resSize == 0) return NULL; return CreateIconFromResource(resInfo, resSize, TRUE, 0x30000); } LPCDLGTEMPLATE LocalizedDialogResource(const UINT dialogId) { /* find dialog resource */ HRSRC res = FindResourceLang(RT_DIALOG, MAKEINTRESOURCE(dialogId), GetGUILanguage()); if (res == NULL) return NULL; return LoadResource(o.hInstance, res); } INT_PTR LocalizedDialogBoxParam(const UINT dialogId, DLGPROC dialogFunc, const LPARAM param) { LPCDLGTEMPLATE resInfo = LocalizedDialogResource(dialogId); if (resInfo == NULL) return -1; return DialogBoxIndirectParam(o.hInstance, resInfo, NULL, dialogFunc, param); } INT_PTR LocalizedDialogBox(const UINT dialogId, DLGPROC dialogFunc) { return LocalizedDialogBoxParam(dialogId, dialogFunc, 0); } HWND CreateLocalizedDialogParam(const UINT dialogId, DLGPROC dialogFunc, const LPARAM param) { /* find dialog resource */ HRSRC res = FindResourceLang(RT_DIALOG, MAKEINTRESOURCE(dialogId), GetGUILanguage()); if (res == NULL) return NULL; HGLOBAL resInfo = LoadResource(o.hInstance, res); if (resInfo == NULL) return NULL; return CreateDialogIndirectParam(o.hInstance, resInfo, NULL, dialogFunc, param); } HWND CreateLocalizedDialog(const UINT dialogId, DLGPROC dialogFunc) { return CreateLocalizedDialogParam(dialogId, dialogFunc, 0); } static PTSTR LangListEntry(const UINT stringId, const LANGID langId, ...) { static TCHAR str[128]; va_list args; va_start(args, langId); LoadStringLang(stringId, langId, str, _tsizeof(str), args); va_end(args); return str; } typedef struct { HWND languages; LANGID language; } langProcData; static BOOL FillLangListProc(HANDLE module, PTSTR type, PTSTR stringId, WORD langId, LONG lParam) { langProcData *data = (langProcData*) lParam; int index = ComboBox_AddString(data->languages, LangListEntry(IDS_LANGUAGE_NAME, langId)); ComboBox_SetItemData(data->languages, index, langId); /* Select this item if it is the currently displayed language */ if (langId == data->language || (PRIMARYLANGID(langId) == PRIMARYLANGID(data->language) && ComboBox_GetCurSel(data->languages) == CB_ERR) ) ComboBox_SetCurSel(data->languages, index); return TRUE; } BOOL CALLBACK LanguageSettingsDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam) { LPPSHNOTIFY psn; langProcData langData = { .languages = GetDlgItem(hwndDlg, ID_CMB_LANGUAGE), .language = GetGUILanguage() }; switch(msg) { case WM_INITDIALOG: /* Populate UI language selection combo box */ EnumResourceLanguages( NULL, RT_STRING, MAKEINTRESOURCE(IDS_LANGUAGE_NAME / 16 + 1), (ENUMRESLANGPROC) FillLangListProc, (LONG) &langData ); /* If none of the available languages matched, select the fallback */ if (ComboBox_GetCurSel(langData.languages) == CB_ERR) ComboBox_SelectString(langData.languages, -1, LangListEntry(IDS_LANGUAGE_NAME, fallbackLangId)); /* Clear language id data for the selected item */ ComboBox_SetItemData(langData.languages, ComboBox_GetCurSel(langData.languages), 0); break; case WM_NOTIFY: psn = (LPPSHNOTIFY) lParam; if (psn->hdr.code == (UINT) PSN_APPLY) { LANGID langId = (LANGID) ComboBox_GetItemData(langData.languages, ComboBox_GetCurSel(langData.languages)); if (langId != 0) SetGUILanguage(langId); SetWindowLong(hwndDlg, DWL_MSGRESULT, PSNRET_NOERROR); return TRUE; } break; } return FALSE; }