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openvpn-gui/localization.c

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/*
* OpenVPN-GUI -- A Windows GUI for OpenVPN.
*
* Copyright (C) 2009 Heiko Hund <heikoh@users.sf.net>
*
* 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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <windows.h>
#include <windowsx.h>
#include <commctrl.h>
#include <prsht.h>
#include <tchar.h>
#include <stdio.h>
#include <stdarg.h>
#include <malloc.h>
#include "main.h"
#include "localization.h"
#include "openvpn-gui-res.h"
#include "options.h"
#include "registry.h"
extern options_t o;
static const LANGID fallbackLangId = MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT);
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 sublanguage */
LANGID defLangId = MAKELANGID(PRIMARYLANGID(langId), SUBLANG_DEFAULT);
res = FindResourceEx(o.hInstance, resType, resId, defLangId);
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);
}
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, &regkey);
if (status == ERROR_SUCCESS)
GetRegistryValueNumeric(regkey, _T("ui_language"), &value);
gui_language = ( value != 0 ? value : GetUserDefaultUILanguage() );
InitMUILanguage(gui_language);
return gui_language;
}
static void
SetGUILanguage(LANGID langId)
{
HKEY regkey;
if (RegCreateKeyEx(HKEY_CURRENT_USER, GUI_REGKEY_HKCU, 0, NULL, 0,
KEY_WRITE, NULL, &regkey, NULL) != ERROR_SUCCESS )
ShowLocalizedMsg(IDS_ERR_CREATE_REG_HKCU_KEY, GUI_REGKEY_HKCU);
SetRegistryValueNumeric(regkey, _T("ui_language"), langId);
InitMUILanguage(langId);
gui_language = langId;
}
static int
LocalizedSystemTime(const SYSTEMTIME *st, wchar_t *buf, size_t size)
{
int date_size = 0, time_size = 0;
LCID locale = MAKELCID(GetGUILanguage(), SORT_DEFAULT);
if (size == 0 || buf == NULL)
{
date_size = GetDateFormat(locale, DATE_SHORTDATE, st, NULL, NULL, 0);
time_size = GetTimeFormat(locale, TIME_NOSECONDS, st, NULL, NULL, 0);
return date_size + time_size;
}
date_size = GetDateFormat(locale, DATE_SHORTDATE, st, NULL,
buf, size);
if (size > (size_t) date_size)
{
time_size = GetTimeFormat(locale, TIME_NOSECONDS, st, NULL,
buf + date_size, size - date_size);
}
if (date_size > 0 && time_size > 0)
{
buf[date_size - 1] = L' '; /* replaces the NUL char in the middle */
}
return date_size + time_size;
}
/*
* Convert filetime to a wide character string -- caller must free the
* result after use.
*/
wchar_t *
LocalizedFileTime(const FILETIME *ft)
{
FILETIME lft;
SYSTEMTIME st;
FileTimeToLocalFileTime(ft, &lft);
FileTimeToSystemTime(&lft, &st);
wchar_t *buf = NULL;
int size = LocalizedSystemTime(&st, NULL, 0);
if (size > 0)
{
buf = calloc(1, size*sizeof(wchar_t));
if (buf)
{
LocalizedSystemTime(&st, buf, size);
}
}
return buf;
}
int
LocalizedTime(const time_t t, LPTSTR buf, size_t size)
{
/* Convert Unix timestamp to Win32 SYSTEMTIME */
FILETIME lft;
SYSTEMTIME st;
LONGLONG tmp = Int32x32To64(t, 10000000) + 116444736000000000;
FILETIME ft = { .dwLowDateTime = (DWORD) tmp, .dwHighDateTime = tmp >> 32};
FileTimeToLocalFileTime(&ft, &lft);
FileTimeToSystemTime(&lft, &st);
return LocalizedSystemTime(&st, buf, size);
}
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)
goto err;
/* get pointer to first entry in resource block */
entry = (PWCH) LoadResource(o.hInstance, res);
if (entry == NULL)
goto err;
/* 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;
wcsncpy(formatStr, entry + 1, *entry);
_vsntprintf(buffer, bufferSize, formatStr, args);
buffer[bufferSize - 1] = 0;
free(formatStr);
return _tcslen(buffer);
}
err:
/* not found, try again with the default language */
if (langId != fallbackLangId)
return LoadStringLang(stringId, fallbackLangId, buffer, bufferSize, args);
return 0;
}
static PTSTR
__LoadLocalizedString(const UINT stringId, va_list args)
{
static TCHAR msg[512];
msg[0] = 0;
LoadStringLang(stringId, GetGUILanguage(), msg, _countof(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;
}
static int
__ShowLocalizedMsgEx(const UINT type, HANDLE parent, LPCTSTR caption, const UINT stringId, va_list args)
{
return MessageBoxEx(parent, __LoadLocalizedString(stringId, args), caption,
type | MB_SETFOREGROUND, GetGUILanguage());
}
int
ShowLocalizedMsgEx(const UINT type, HANDLE parent, LPCTSTR caption, const UINT stringId, ...)
{
va_list args;
va_start(args, stringId);
int result = __ShowLocalizedMsgEx(type, parent, caption, stringId, args);
va_end(args);
return result;
}
void
ShowLocalizedMsg(const UINT stringId, ...)
{
va_list args;
va_start(args, stringId);
__ShowLocalizedMsgEx(MB_OK, NULL, _T(PACKAGE_NAME), stringId, args);
va_end(args);
}
HICON
LoadLocalizedIconEx(const UINT iconId, int cxDesired, int cyDesired)
{
LANGID langId = GetGUILanguage();
HICON hIcon =
(HICON) LoadImage (o.hInstance, MAKEINTRESOURCE(iconId),
IMAGE_ICON, cxDesired, cyDesired, LR_DEFAULTSIZE|LR_SHARED);
if (hIcon)
return hIcon;
else
PrintDebug (L"Loading icon using LoadImage failed.");
/* Fallback to CreateIconFromResource which always scales
* from the first image in the resource
*/
/* 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;
/* Note: this uses the first icon in the resource and scales it */
hIcon = CreateIconFromResourceEx(resInfo, resSize, TRUE, 0x30000,
cxDesired, cyDesired, LR_DEFAULTSIZE|LR_SHARED);
return hIcon;
}
HICON
LoadLocalizedIcon(const UINT iconId)
{
/* get the required normal icon size (e.g., taskbar icon) */
int cx = GetSystemMetrics(SM_CXICON);
int cy = GetSystemMetrics(SM_CYICON);
return LoadLocalizedIconEx(iconId, cx, cy);
}
HICON
LoadLocalizedSmallIcon(const UINT iconId)
{
/* get the required small icon size (e.g., tray icon) */
int cx = GetSystemMetrics(SM_CXSMICON);
int cy = GetSystemMetrics(SM_CYSMICON);
return LoadLocalizedIconEx(iconId, cx, cy);
}
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, o.hWnd, dialogFunc, param);
}
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, o.hWnd, 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, _countof(str), args);
va_end(args);
return str;
}
typedef struct {
HWND languages;
LANGID language;
} langProcData;
static BOOL
FillLangListProc(UNUSED HANDLE module, UNUSED PTSTR type, UNUSED PTSTR stringId, WORD langId, LONG_PTR 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;
}
static BOOL
GetLaunchOnStartup()
{
WCHAR regPath[MAX_PATH], exePath[MAX_PATH];
BOOL result = FALSE;
HKEY regkey;
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Run", 0, KEY_READ, &regkey) == ERROR_SUCCESS) {
if (GetRegistryValue(regkey, L"OpenVPN-GUI", regPath, MAX_PATH) &&
GetModuleFileNameW(NULL, exePath, MAX_PATH)) {
if (_wcsicmp(regPath, exePath) == 0)
result = TRUE;
}
RegCloseKey(regkey);
}
return result;
}
static void
SetLaunchOnStartup(BOOL value)
{
WCHAR exePath[MAX_PATH];
HKEY regkey;
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Run", 0, KEY_WRITE, &regkey) == ERROR_SUCCESS) {
if (value) {
if (GetModuleFileNameW(NULL, exePath, MAX_PATH))
SetRegistryValue(regkey, L"OpenVPN-GUI", exePath);
}
else
RegDeleteValue(regkey, L"OpenVPN-GUI");
RegCloseKey(regkey);
}
}
INT_PTR CALLBACK
GeneralSettingsDlgProc(HWND hwndDlg, UINT msg, UNUSED 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_PTR) &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);
if (GetLaunchOnStartup())
Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_STARTUP), BST_CHECKED);
if (o.log_append)
Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_LOG_APPEND), BST_CHECKED);
if (o.silent_connection)
Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_SILENT), BST_CHECKED);
if (o.iservice_admin)
Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_ALWAYS_USE_ISERVICE), BST_CHECKED);
if (o.show_balloon == 0)
CheckRadioButton (hwndDlg, ID_RB_BALLOON0, ID_RB_BALLOON2, ID_RB_BALLOON0);
else if (o.show_balloon == 1)
CheckRadioButton (hwndDlg, ID_RB_BALLOON0, ID_RB_BALLOON2, ID_RB_BALLOON1);
else if (o.show_balloon == 2)
CheckRadioButton (hwndDlg, ID_RB_BALLOON0, ID_RB_BALLOON2, ID_RB_BALLOON2);
if (o.show_script_window)
Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_SHOW_SCRIPT_WIN), BST_CHECKED);
if (o.enable_persistent == 0) /* Never */
CheckRadioButton (hwndDlg, ID_RB_BALLOON3, ID_RB_BALLOON5, ID_RB_BALLOON5);
else if (o.enable_persistent == 1) /* Enabled, but no auto-attach */
CheckRadioButton (hwndDlg, ID_RB_BALLOON3, ID_RB_BALLOON5, ID_RB_BALLOON4);
else if (o.enable_persistent == 2) /* Enabled and auto-attach */
CheckRadioButton (hwndDlg, ID_RB_BALLOON3, ID_RB_BALLOON5, ID_RB_BALLOON3);
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);
SetLaunchOnStartup(Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_STARTUP)) == BST_CHECKED);
o.log_append =
(Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_LOG_APPEND)) == BST_CHECKED);
o.silent_connection =
(Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_SILENT)) == BST_CHECKED);
o.iservice_admin =
(Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_ALWAYS_USE_ISERVICE)) == BST_CHECKED);
if (IsDlgButtonChecked(hwndDlg, ID_RB_BALLOON0))
o.show_balloon = 0;
else if (IsDlgButtonChecked(hwndDlg, ID_RB_BALLOON2))
o.show_balloon = 2;
else
o.show_balloon = 1;
if (IsDlgButtonChecked(hwndDlg, ID_RB_BALLOON3))
o.enable_persistent = 2;
else if (IsDlgButtonChecked(hwndDlg, ID_RB_BALLOON4))
o.enable_persistent = 1;
else
o.enable_persistent = 0;
o.show_script_window =
(Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_SHOW_SCRIPT_WIN)) == BST_CHECKED);
SaveRegistryKeys();
SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
return TRUE;
}
break;
}
return FALSE;
}
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