diff options
Diffstat (limited to 'private/nw/svcdlls/nwwks/client/nwshmisc.cxx')
| -rw-r--r-- | private/nw/svcdlls/nwwks/client/nwshmisc.cxx | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/private/nw/svcdlls/nwwks/client/nwshmisc.cxx b/private/nw/svcdlls/nwwks/client/nwshmisc.cxx new file mode 100644 index 000000000..f375d8559 --- /dev/null +++ b/private/nw/svcdlls/nwwks/client/nwshmisc.cxx @@ -0,0 +1,261 @@ +/*++ + +Copyright (c) 1995 Microsoft Corporation + +Module Name: + + nwshmisc.cxx + +Abstract: + + This module implements misc methods used in the shell extension classes. + +Author: + + Yi-Hsin Sung (yihsins) 25-Oct-1995 + +--*/ + +extern "C" +{ +#include <windows.h> +#include <shellapi.h> +#include <shlobj.h> +#define DONT_WANT_SHELLDEBUG +#include <shsemip.h> +} + +#include "nwshcmn.h" + +#define MAX_RESOURCE_STRING_LENGTH 256 + +VOID HideControl( HWND hwndDlg, WORD wID ) +{ + HWND hwndTmp = ::GetDlgItem( hwndDlg, wID ); + ::EnableWindow( hwndTmp, FALSE ); + ::ShowWindow( hwndTmp, FALSE ); +} + +VOID UnHideControl( HWND hwndDlg, WORD wID ) +{ + HWND hwndTmp = ::GetDlgItem( hwndDlg, wID ); + ::EnableWindow( hwndTmp, TRUE ); + ::ShowWindow( hwndTmp, TRUE ); +} + +VOID EnableDlgItem( HWND hwndDlg, WORD wID, BOOL fEnable) +{ + HWND hwndTmp = ::GetDlgItem( hwndDlg, wID ); + + ::EnableWindow( hwndTmp, fEnable); +} + +/* + * LoadErrorPrintf + * ------------- + * + * Uses normal printf style format string + */ +DWORD +LoadMsgErrorPrintf( + LPWSTR *ppszMessage, + UINT uiMsg, + DWORD errNum +) +{ + DWORD nLen = 0; + DWORD err = NO_ERROR; + LPWSTR pszError = NULL; + WCHAR szError[20]; + + *ppszMessage = NULL; + + // + // Try to get the error string associated with the given number + // from the system. If we cannot find the string, then + // just show the number. + // + + nLen = ::FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM + | FORMAT_MESSAGE_IGNORE_INSERTS + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + NULL, // ignored + errNum, // Message resource id + 0, // Language id + (LPWSTR) &pszError, + // Return pointer to formatted text + 256, // Min.length + NULL ); + + if ( nLen == 0 || pszError == NULL ) + { + wsprintf( szError, L"%d", errNum ); + } + + err = LoadMsgPrintf( ppszMessage, uiMsg, pszError? pszError : szError ); + + if ( pszError ) + ::LocalFree( pszError ); + + return err; +} + +/* + * LoadMsgPrintf + * ------------- + * + * Uses normal printf style format string + */ +DWORD +LoadMsgPrintf( + LPWSTR *ppszMessage, + UINT uiMsg, + ... + ) +{ + WCHAR szMessage[512]; + DWORD err = NO_ERROR; + DWORD nLen = 0; + va_list start; + + va_start( start, uiMsg ); + + *ppszMessage = NULL; + + if ( ::LoadString( ::hmodNW, uiMsg, szMessage, + sizeof(szMessage)/sizeof(szMessage[0]))) + { + nLen = ::FormatMessage( FORMAT_MESSAGE_FROM_STRING + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + szMessage, + 0, // Message resource id, ignored + 0, // Language id + (LPWSTR) ppszMessage, + // Return pointer to formatted text + 256, // Min.length + &start ); + + if ( nLen == 0 || *ppszMessage == NULL ) + err = GetLastError(); + + } + + va_end(start); + + return err; +} + +/* + * MsgBoxErrorPrintf + * ------------ + * + * Message box routine + * + */ +DWORD +MsgBoxErrorPrintf( + HWND hwnd, + UINT uiMsg, + UINT uiTitle, + UINT uiFlags, + DWORD errNum, + LPWSTR pszInsertStr + ) +{ + DWORD nLen = 0; + DWORD err = NO_ERROR; + LPWSTR pszError = NULL; + WCHAR szError[20]; + + nLen = ::FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM + | FORMAT_MESSAGE_IGNORE_INSERTS + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + NULL, // ignored + errNum, // Message resource id + 0, // Language id + (LPWSTR) &pszError, + // Return pointer to formatted text + 256, // Min.length + NULL ); + + if ( nLen == 0 || pszError == NULL ) + wsprintf( szError, L"%d", errNum ); + + if ( pszInsertStr ) + { + err = MsgBoxPrintf( hwnd, uiMsg, uiTitle, uiFlags, + pszError? pszError : szError, pszInsertStr ); + } + else + { + err = MsgBoxPrintf( hwnd, uiMsg, uiTitle, uiFlags, + pszError? pszError : szError ); + } + + if ( pszError ) + ::LocalFree( pszError ); + + return err; + +} + + +/* + * MsgBoxPrintf + * ------------ + * + * Message box routine + * + */ +DWORD +MsgBoxPrintf( + HWND hwnd, + UINT uiMsg, + UINT uiTitle, + UINT uiFlags, + ... + ) +{ + WCHAR szTitle[MAX_RESOURCE_STRING_LENGTH]; + WCHAR szMessage[MAX_RESOURCE_STRING_LENGTH]; + LPWSTR lpFormattedMessage = NULL; + DWORD err = NO_ERROR; + va_list start; + + va_start(start,uiFlags); + + if ( ::LoadString( ::hmodNW, uiMsg, szMessage, sizeof(szMessage)/sizeof(szMessage[0])) + && ::LoadString( ::hmodNW, uiTitle, szTitle, sizeof(szTitle)/sizeof(szTitle[0])) + ) + { + DWORD nLen = ::FormatMessage( FORMAT_MESSAGE_FROM_STRING + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + szMessage, + 0, // Resource Id, ignored + NULL, // Language Id, ignored + (LPWSTR) &lpFormattedMessage, + // Return pointer to formatted text + 256, // Min.length + &start ); + + if ( nLen == 0 || lpFormattedMessage == NULL ) + { + err = GetLastError(); + goto CleanExit; + } + + err = ::MessageBox( hwnd, + lpFormattedMessage, + szTitle, + uiFlags ); + + ::LocalFree( lpFormattedMessage ); + } + +CleanExit: + + va_end(start); + + return err; + +} |