mirror of https://github.com/OpenVPN/openvpn-gui
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123 lines
3.6 KiB
123 lines
3.6 KiB
/*
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* OpenVPN-GUI -- A Windows GUI for OpenVPN.
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*
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* Copyright (C) 2009 Heiko Hund <heikoh@users.sf.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <windows.h>
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#include <tchar.h>
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static const LANGID defaultLangId = MAKELANGID(LANG_ENGLISH, SUBLANG_NEUTRAL);
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static HRSRC
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FindLangResource(HINSTANCE instance, PTSTR resType, PTSTR resId, LANGID langId)
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{
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HRSRC res;
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/* try to find the resource in requested language */
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res = FindResourceEx(instance, resType, resId, langId);
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if (res)
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return res;
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/* try to find the resource in the default language */
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res = FindResourceEx(instance, resType, resId, defaultLangId);
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if (res)
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return res;
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/* try to find the resource in any language */
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return FindResource(instance, resId, resType);
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}
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int
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LoadLangString(HINSTANCE instance, UINT stringId, LANGID langId, PTSTR buffer, int bufferSize)
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{
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PWCH entry;
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PTSTR resBlockId = MAKEINTRESOURCE(stringId / 16 + 1);
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int resIndex = stringId & 15;
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/* find resource block for string */
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HRSRC res = FindLangResource(instance, RT_STRING, resBlockId, langId);
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if (res == NULL)
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return 0;
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/* get pointer to first entry in resource block */
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entry = (PWCH) LoadResource(instance, res);
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if (entry == NULL)
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return 0;
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/* search for string in block */
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for (int i = 0; i < 16; i++)
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{
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/* string found, copy it */
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if (i == resIndex && *entry)
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{
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int maxLen = (*entry < bufferSize ? *entry : bufferSize);
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#ifdef _UNICODE
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wcsncpy(buffer, entry + 1, maxLen);
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#else
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WideCharToMultiByte(CP_ACP, 0, entry + 1, *entry, buffer, maxLen, "?", NULL);
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#endif
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buffer[bufferSize - 1] = 0;
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return _tcslen(buffer);
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}
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/* string does not exist */
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if (i == resIndex)
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break;
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/* skip over this entry */
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entry += ((*entry) + 1);
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}
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return 0;
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}
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HICON
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LoadLangIcon(HINSTANCE instance, PTSTR iconId, LANGID langId)
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{
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/* find group icon resource */
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HRSRC res = FindLangResource(instance, RT_GROUP_ICON, iconId, langId);
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if (res == NULL)
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return NULL;
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HGLOBAL resInfo = LoadResource(instance, res);
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if (resInfo == NULL)
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return NULL;
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int id = LookupIconIdFromDirectory(resInfo, TRUE);
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if (id == 0)
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return NULL;
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/* find the actual icon */
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res = FindLangResource(instance, RT_ICON, MAKEINTRESOURCE(id), langId);
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if (res == NULL)
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return NULL;
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resInfo = LoadResource(instance, res);
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if (resInfo == NULL)
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return NULL;
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DWORD resSize = SizeofResource(instance, res);
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if (resSize == 0)
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return NULL;
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return CreateIconFromResource(resInfo, resSize, TRUE, 0x30000);
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}
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