dlls/comdlg32/filetitle.c

   1 /*
   2  * COMMDLG - File Dialogs
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  * Copyright 1996 Albrecht Kleine
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23 #include <string.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winnls.h"
  28 #include "winreg.h"
  29 #include "winternl.h"
  30 #include "wingdi.h"
  31 #include "winuser.h"
  32 #include "commdlg.h"
  33 #include "cdlg.h"
  34 #include "cdlg16.h"
  35 #include "wine/unicode.h"
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
  39
  40 /***********************************************************************
  41  *      GetFileTitleA           (COMDLG32.@)
  42  *
  43  * See GetFileTitleW.
  44  */
  45 short WINAPI GetFileTitleA(LPCSTR lpFile, LPSTR lpTitle, WORD cbBuf)
  46 {
  47     int ret;
  48     UNICODE_STRING strWFile;
  49     LPWSTR lpWTitle;
  50
  51     RtlCreateUnicodeStringFromAsciiz(&strWFile, lpFile);
  52     lpWTitle = RtlAllocateHeap( GetProcessHeap(), 0, cbBuf*sizeof(WCHAR));
  53     ret = GetFileTitleW(strWFile.Buffer, lpWTitle, cbBuf);
  54     if (!ret) WideCharToMultiByte( CP_ACP, 0, lpWTitle, -1, lpTitle, cbBuf, NULL, NULL );
  55     RtlFreeUnicodeString( &strWFile );
  56     RtlFreeHeap( GetProcessHeap(), 0, lpWTitle );
  57     return ret;
  58 }
  59
  60
  61 /***********************************************************************
  62  *      GetFileTitleW           (COMDLG32.@)
  63  *
  64  * Get the name of a file.
  65  *
  66  * PARAMS
  67  *  lpFile  [I] name and location of file
  68  *  lpTitle [O] returned file name
  69  *  cbBuf   [I] buffer size of lpTitle
  70  *
  71  * RETURNS
  72  *  Success: zero
  73  *  Failure: negative number.
  74  */
  75 short WINAPI GetFileTitleW(LPCWSTR lpFile, LPWSTR lpTitle, WORD cbBuf)
  76 {
  77         int i, len;
  78         static const WCHAR brkpoint[] = {'*','[',']',0};
  79         TRACE("(%p %p %d);\n", lpFile, lpTitle, cbBuf);
  80
  81         if(lpFile == NULL || lpTitle == NULL)
  82                 return -1;
  83
  84         len = strlenW(lpFile);
  85
  86         if (len == 0)
  87                 return -1;
  88
  89         if(strpbrkW(lpFile, brkpoint))
  90                 return -1;
  91
  92         len--;
  93
  94         if(lpFile[len] == '/' || lpFile[len] == '\\' || lpFile[len] == ':')
  95                 return -1;
  96
  97         for(i = len; i >= 0; i--)
  98         {
  99                 if (lpFile[i] == '/' ||  lpFile[i] == '\\' ||  lpFile[i] == ':')
 100                 {
 101                         i++;
 102                         break;
 103                 }
 104         }
 105
 106         if(i == -1)
 107                 i++;
 108
 109         TRACE("---> '%s'\n", debugstr_w(&lpFile[i]));
 110
 111         len = strlenW(lpFile+i)+1;
 112         if(cbBuf < len)
 113                 return len;
 114
 115         strcpyW(lpTitle, &lpFile[i]);
 116         return 0;
 117 }
 118
 119
 120 /***********************************************************************
 121  *      GetFileTitle            (COMMDLG.27)
 122  */
 123 short WINAPI GetFileTitle16(LPCSTR lpFile, LPSTR lpTitle, UINT16 cbBuf)
 124 {
 125         return GetFileTitleA(lpFile, lpTitle, cbBuf);
 126 }