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added functions for localized dialog, string and icon resources

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Heiko Hund 16 years ago
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b25d0f268a
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1ea8d5b8f7
2 changed files with 265 additions and 161 deletions
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  1. 369
      localization.c
  2. 57
      localization.h

369
localization.c
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@ -1,137 +1,232 @@
/*
* 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
*/
#include <windows.h>
#include <tchar.h>
static const LANGID defaultLangId = MAKELANGID(LANG_ENGLISH, SUBLANG_NEUTRAL);
static HRSRC
FindResourceLang(HINSTANCE instance, PTSTR resType, PTSTR resId, LANGID langId)
{
HRSRC res;
/* try to find the resource in requested language */
res = FindResourceEx(instance, resType, resId, langId);
if (res)
return res;
/* try to find the resource in the default language */
res = FindResourceEx(instance, resType, resId, defaultLangId);
if (res)
return res;
/* try to find the resource in any language */
return FindResource(instance, resId, resType);
}
int
LoadStringLang(HINSTANCE instance, UINT stringId, LANGID langId, PTSTR buffer, int bufferSize)
{
PWCH entry;
PTSTR resBlockId = MAKEINTRESOURCE(stringId / 16 + 1);
int resIndex = stringId & 15;
/* find resource block for string */
HRSRC res = FindResourceLang(instance, RT_STRING, resBlockId, langId);
if (res == NULL)
return 0;
/* get pointer to first entry in resource block */
entry = (PWCH) LoadResource(instance, res);
if (entry == NULL)
return 0;
/* search for string in block */
for (int i = 0; i < 16; i++)
{
/* string found, copy it */
if (i == resIndex && *entry)
{
int maxLen = (*entry < bufferSize ? *entry : bufferSize);
#ifdef _UNICODE
wcsncpy(buffer, entry + 1, maxLen);
#else
WideCharToMultiByte(CP_ACP, 0, entry + 1, *entry, buffer, maxLen, "?", NULL);
#endif
buffer[bufferSize - 1] = 0;
return _tcslen(buffer);
}
/* string does not exist */
if (i == resIndex)
break;
/* skip over this entry */
entry += ((*entry) + 1);
}
return 0;
}
HICON
LoadIconLang(HINSTANCE instance, PTSTR iconId, LANGID langId)
{
/* find group icon resource */
HRSRC res = FindResourceLang(instance, RT_GROUP_ICON, iconId, langId);
if (res == NULL)
return NULL;
HGLOBAL resInfo = LoadResource(instance, res);
if (resInfo == NULL)
return NULL;
int id = LookupIconIdFromDirectory(resInfo, TRUE);
if (id == 0)
return NULL;
/* find the actual icon */
res = FindResourceLang(instance, RT_ICON, MAKEINTRESOURCE(id), langId);
if (res == NULL)
return NULL;
resInfo = LoadResource(instance, res);
if (resInfo == NULL)
return NULL;
DWORD resSize = SizeofResource(instance, res);
if (resSize == 0)
return NULL;
return CreateIconFromResource(resInfo, resSize, TRUE, 0x30000);
}
INT_PTR
DialogBoxLang(HINSTANCE instance, PTSTR dialogId, LANGID langId, HWND parentWnd, DLGPROC dialogFunc)
{
/* find dialog resource */
HRSRC res = FindResourceLang(instance, RT_DIALOG, dialogId, langId);
if (res == NULL)
return -1;
HGLOBAL resInfo = LoadResource(instance, res);
if (resInfo == NULL)
return -1;
return DialogBoxIndirect(instance, resInfo, parentWnd, dialogFunc);
}
/*
* 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
*/
/* for GetUserDefaultUILanguage() */
#include <w32api.h>
#define WINVER Windows2000
#include <windows.h>
#include <tchar.h>
#include <stdio.h>
#include <stdarg.h>
#include "registry.h"
static const LANGID defaultLangId = MAKELANGID(LANG_ENGLISH, SUBLANG_NEUTRAL);
static HRSRC
FindResourceLang(HINSTANCE instance, PTSTR resType, PTSTR resId, LANGID langId)
{
HRSRC res;
/* try to find the resource in requested language */
res = FindResourceEx(instance, resType, resId, langId);
if (res)
return res;
/* try to find the resource in the default language */
res = FindResourceEx(instance, resType, resId, defaultLangId);
if (res)
return res;
/* try to find the resource in any language */
return FindResource(instance, resId, resType);
}
static LANGID
GetGUILanguage(void)
{
return GetUserDefaultUILanguage();
}
static int
LoadStringLang(HINSTANCE instance, 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(instance, RT_STRING, resBlockId, langId);
if (res == NULL)
return 0;
/* get pointer to first entry in resource block */
entry = (PWCH) LoadResource(instance, 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(GetModuleHandle(NULL), stringId, GetGUILanguage(), msg, sizeof(msg)/sizeof(*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(GetModuleHandle(NULL), stringId, GetGUILanguage(), buffer, bufferSize, args);
va_end(args);
return len;
}
void
ShowLocalizedMsg(const PTSTR caption, const UINT stringId, ...)
{
va_list args;
va_start(args, stringId);
MessageBox(NULL, __LoadLocalizedString(stringId, args), caption, MB_OK | MB_SETFOREGROUND);
va_end(args);
}
HICON
LoadLocalizedIcon(const UINT iconId)
{
HINSTANCE instance = GetModuleHandle(NULL);
LANGID langId = GetGUILanguage();
/* find group icon resource */
HRSRC res = FindResourceLang(instance, RT_GROUP_ICON, MAKEINTRESOURCE(iconId), langId);
if (res == NULL)
return NULL;
HGLOBAL resInfo = LoadResource(instance, res);
if (resInfo == NULL)
return NULL;
int id = LookupIconIdFromDirectory(resInfo, TRUE);
if (id == 0)
return NULL;
/* find the actual icon */
res = FindResourceLang(instance, RT_ICON, MAKEINTRESOURCE(id), langId);
if (res == NULL)
return NULL;
resInfo = LoadResource(instance, res);
if (resInfo == NULL)
return NULL;
DWORD resSize = SizeofResource(instance, res);
if (resSize == 0)
return NULL;
return CreateIconFromResource(resInfo, resSize, TRUE, 0x30000);
}
INT_PTR
LocalizedDialogBoxParam(const UINT dialogId, DLGPROC dialogFunc, const LPARAM param)
{
HINSTANCE instance = GetModuleHandle(NULL);
/* find dialog resource */
HRSRC res = FindResourceLang(instance, RT_DIALOG, MAKEINTRESOURCE(dialogId), GetGUILanguage());
if (res == NULL)
return -1;
HGLOBAL resInfo = LoadResource(instance, res);
if (resInfo == NULL)
return -1;
return DialogBoxIndirectParam(instance, resInfo, NULL, dialogFunc, param);
}
INT_PTR
LocalizedDialogBox(const UINT dialogId, DLGPROC dialogFunc)
{
return LocalizedDialogBoxParam(dialogId, dialogFunc, 0);
}
HWND
CreateLocalizedDialog(const UINT dialogId, DLGPROC dialogFunc)
{
HINSTANCE instance = GetModuleHandle(NULL);
/* find dialog resource */
HRSRC res = FindResourceLang(instance, RT_DIALOG, MAKEINTRESOURCE(dialogId), GetGUILanguage());
if (res == NULL)
return NULL;
HGLOBAL resInfo = LoadResource(instance, res);
if (resInfo == NULL)
return NULL;
return CreateDialogIndirect(instance, resInfo, NULL, dialogFunc);
}

57
localization.h
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@ -1,24 +1,33 @@
/*
* 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
*/
int LoadStringLang(HINSTANCE, UINT, LANGID, PTSTR, int);
HICON LoadIconLang(HINSTANCE, PTSTR, LANGID);
INT_PTR DialogBoxLang(HINSTANCE, LPCTSTR, LANGID, HWND, DLGPROC);
/*
* 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
*/
#ifndef LOCALIZATION_H
#define LOCALIZATION_H
PTSTR LoadLocalizedString(const UINT, ...);
int LoadLocalizedStringBuf(PTSTR, const int, const UINT, ...);
void ShowLocalizedMsg(const PTSTR, const UINT, ...);
HICON LoadLocalizedIcon(const UINT);
INT_PTR LocalizedDialogBoxParam(const UINT, DLGPROC, const LPARAM);
INT_PTR LocalizedDialogBox(const UINT, DLGPROC);
HWND CreateLocalizedDialog(const UINT, DLGPROC);
#endif

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