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