150 lines
4.9 KiB
C++
150 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef __cplusplus
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#error Need C++ to compile
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#endif
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#define UNICODE
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#define _UNICODE
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#include <tchar.h>
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#ifdef _MSC_VER
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#pragma warning(push, 1)
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#pragma warning(disable:4005)
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#endif
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#include <windows.h>
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#include <shellapi.h>
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#include <sqlext.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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// the name of the library which contains the SQLManageDataSources function
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#define ODBC_UI_LIB_NAME L"ODBCCP32.DLL"
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// the signature of the SQLManageDataSources function
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typedef SQLRETURN (SQL_API* TSQLManageDataSource) (SQLHWND hwndParent);
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// displays the error text for the last error (GetLastError), and returns this error value
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int displayLastError()
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{
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DWORD dwError = GetLastError();
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LPVOID lpMsgBuf;
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM,
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NULL,
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dwError,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR)&lpMsgBuf,
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0,
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NULL
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);
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// Display the string.
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MessageBox( NULL, (LPCTSTR)lpMsgBuf, NULL, MB_OK | MB_ICONERROR );
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// Free the buffer.
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LocalFree( lpMsgBuf );
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return dwError;
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}
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/** registers the window class for our application's main window
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*/
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BOOL registerWindowClass( HINSTANCE _hAppInstance )
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{
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WNDCLASSEX wcx;
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wcx.cbSize = sizeof(wcx); // size of structure
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wcx.style = CS_HREDRAW | CS_VREDRAW; // redraw if size changes
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wcx.lpfnWndProc = DefWindowProc; // points to window procedure
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wcx.cbClsExtra = 0; // no extra class memory
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wcx.cbWndExtra = 0; // no extra window memory
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wcx.hInstance = _hAppInstance; // handle to instance
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wcx.hIcon = NULL; // predefined app. icon
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wcx.hCursor = NULL; // predefined arrow
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wcx.hbrBackground = NULL; // no background brush
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wcx.lpszMenuName = NULL; // name of menu resource
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wcx.lpszClassName = L"ODBCConfigMainClass"; // name of window class
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wcx.hIconSm = NULL; // small class icon
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return ( !!RegisterClassEx( &wcx ) );
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}
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/// initializes the application instances
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HWND initInstance( HINSTANCE _hAppInstance )
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{
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HWND hWindow = CreateWindow(
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L"ODBCConfigMainClass", // name of window class
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L"ODBC Config Wrapper", // title-bar string
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WS_OVERLAPPEDWINDOW, // top-level window
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CW_USEDEFAULT, // default horizontal position
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CW_USEDEFAULT, // default vertical position
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CW_USEDEFAULT, // default width
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CW_USEDEFAULT, // default height
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(HWND) NULL, // no owner window
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(HMENU) NULL, // use class menu
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_hAppInstance, // handle to application instance
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(LPVOID) NULL); // no window-creation data
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// don't show the window, we only need it as parent handle for the
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// SQLManageDataSources function
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return hWindow;
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}
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// main window function
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#ifdef __MINGW32__
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extern "C" int APIENTRY WinMain( HINSTANCE _hAppInstance, HINSTANCE, LPSTR, int )
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#else
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extern "C" int APIENTRY _tWinMain( HINSTANCE _hAppInstance, HINSTANCE, LPTSTR, int )
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#endif
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{
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if ( !registerWindowClass( _hAppInstance ) )
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return FALSE;
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HWND hAppWindow = initInstance( _hAppInstance );
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if ( !IsWindow( hAppWindow ) )
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return displayLastError();
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HMODULE hModule = LoadLibraryW( ODBC_UI_LIB_NAME );
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if ( hModule == NULL )
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hModule = LoadLibraryExW( ODBC_UI_LIB_NAME, NULL, LOAD_WITH_ALTERED_SEARCH_PATH );
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if ( hModule == NULL )
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return displayLastError();
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FARPROC pManageDSProc = GetProcAddress( hModule, "SQLManageDataSources" );
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if ( pManageDSProc == NULL )
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return displayLastError();
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TSQLManageDataSource pManageDS = (TSQLManageDataSource)pManageDSProc;
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if ( !( (*pManageDS)( hAppWindow ) ) )
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return displayLastError();
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FreeLibrary( hModule );
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return 0;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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