include/wx/msw/wrapshl.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/wrapshl.h
   3 // Purpose:     wrapper class for stuff from shell32.dll
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2004-10-19
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MSW_WRAPSHL_H_
  13 #define _WX_MSW_WRAPSHL_H_
  14
  15 #include "wx/msw/wrapwin.h"
  16
  17 #ifdef __WXWINCE__
  18     #include <winreg.h>
  19     #include <objbase.h>
  20     #include <shlguid.h>
  21     #include <shellapi.h>
  22 #endif
  23
  24 #include <shlobj.h>
  25
  26 #include "wx/msw/winundef.h"
  27
  28 #include "wx/log.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // wxItemIdList implements RAII on top of ITEMIDLIST
  32 // ----------------------------------------------------------------------------
  33
  34 class wxItemIdList
  35 {
  36 public:
  37     // ctor takes ownership of the item and will free it
  38     wxItemIdList(LPITEMIDLIST pidl)
  39     {
  40         m_pidl = pidl;
  41     }
  42
  43     static void Free(LPITEMIDLIST pidl)
  44     {
  45         if ( pidl )
  46         {
  47             LPMALLOC pMalloc;
  48             SHGetMalloc(&pMalloc);
  49             if ( pMalloc )
  50             {
  51                 pMalloc->Free(pidl);
  52                 pMalloc->Release();
  53             }
  54             else
  55             {
  56                 wxLogLastError(wxT("SHGetMalloc"));
  57             }
  58         }
  59     }
  60
  61     ~wxItemIdList()
  62     {
  63         Free(m_pidl);
  64     }
  65
  66     // implicit conversion to LPITEMIDLIST
  67     operator LPITEMIDLIST() const { return m_pidl; }
  68
  69     // get the corresponding path, returns empty string on error
  70     wxString GetPath() const
  71     {
  72         wxString path;
  73         if ( !SHGetPathFromIDList(m_pidl, wxStringBuffer(path, MAX_PATH)) )
  74         {
  75             wxLogLastError(_T("SHGetPathFromIDList"));
  76         }
  77
  78         return path;
  79     }
  80
  81 private:
  82     LPITEMIDLIST m_pidl;
  83
  84     wxDECLARE_NO_COPY_CLASS(wxItemIdList);
  85 };
  86
  87 // enable autocompleting filenames in the text control with given HWND
  88 //
  89 // this only works on systems with shlwapi.dll 5.0 or later
  90 //
  91 // implemented in src/msw/utilsgui.cpp
  92 extern bool wxEnableFileNameAutoComplete(HWND hwnd);
  93
  94 #endif // _WX_MSW_WRAPSHL_H_
  95