1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20
21 #if !defined WIN32_LEAN_AND_MEAN
22 # define WIN32_LEAN_AND_MEAN
23 #endif
24 #include <windows.h>
25 #include <odbcinst.h>
26
27 // displays the error text for the last error (GetLastError), and returns this error value
displayLastError()28 static int displayLastError()
29 {
30 DWORD dwError = GetLastError();
31
32 LPVOID lpMsgBuf = nullptr;
33 FormatMessageW(
34 FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
35 nullptr,
36 dwError,
37 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
38 reinterpret_cast<LPWSTR>(&lpMsgBuf),
39 0,
40 nullptr
41 );
42
43 // Display the string.
44 MessageBoxW( nullptr, static_cast<LPCWSTR>(lpMsgBuf), nullptr, MB_OK | MB_ICONERROR );
45
46 // Free the buffer.
47 HeapFree( GetProcessHeap(), 0, lpMsgBuf );
48
49 return dwError;
50 }
51
52 /** registers the window class for our application's main window
53 */
registerWindowClass(HINSTANCE _hAppInstance)54 static bool registerWindowClass( HINSTANCE _hAppInstance )
55 {
56 WNDCLASSEXW wcx;
57
58 wcx.cbSize = sizeof(wcx); // size of structure
59 wcx.style = CS_HREDRAW | CS_VREDRAW; // redraw if size changes
60 wcx.lpfnWndProc = DefWindowProcW; // points to window procedure
61 wcx.cbClsExtra = 0; // no extra class memory
62 wcx.cbWndExtra = 0; // no extra window memory
63 wcx.hInstance = _hAppInstance; // handle to instance
64 wcx.hIcon = nullptr; // predefined app. icon
65 wcx.hCursor = nullptr; // predefined arrow
66 wcx.hbrBackground = nullptr; // no background brush
67 wcx.lpszMenuName = nullptr; // name of menu resource
68 wcx.lpszClassName = L"ODBCConfigMainClass"; // name of window class
69 wcx.hIconSm = nullptr; // small class icon
70
71 return ( !!RegisterClassExW( &wcx ) );
72 }
73
74 /// initializes the application instances
initInstance(HINSTANCE _hAppInstance)75 static HWND initInstance( HINSTANCE _hAppInstance )
76 {
77 HWND hWindow = CreateWindowW(
78 L"ODBCConfigMainClass", // name of window class
79 L"ODBC Config Wrapper", // title-bar string
80 WS_OVERLAPPEDWINDOW, // top-level window
81 CW_USEDEFAULT, // default horizontal position
82 CW_USEDEFAULT, // default vertical position
83 CW_USEDEFAULT, // default width
84 CW_USEDEFAULT, // default height
85 nullptr, // no owner window
86 nullptr, // use class menu
87 _hAppInstance, // handle to application instance
88 nullptr); // no window-creation data
89
90 // don't show the window, we only need it as parent handle for the
91 // SQLManageDataSources function
92 return hWindow;
93 }
94
95 // main window function
wWinMain(HINSTANCE _hAppInstance,HINSTANCE,LPWSTR,int)96 extern "C" int APIENTRY wWinMain( HINSTANCE _hAppInstance, HINSTANCE, LPWSTR, int )
97 {
98 if ( !registerWindowClass( _hAppInstance ) )
99 return FALSE;
100
101 HWND hAppWindow = initInstance( _hAppInstance );
102 if ( !IsWindow( hAppWindow ) )
103 return displayLastError();
104
105 if (!SQLManageDataSources(hAppWindow))
106 return displayLastError();
107
108 return 0;
109 }
110
111 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
112