src/osx/carbon/dirdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/dirdlg.cpp
   3 // Purpose:     wxDirDialog
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_DIRDLG && !defined(__WXUNIVERSAL__)
  15
  16 #include "wx/dirdlg.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/utils.h"
  20     #include "wx/dialog.h"
  21     #include "wx/cmndata.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/filename.h"
  25
  26 #include "wx/osx/private.h"
  27
  28 IMPLEMENT_CLASS(wxDirDialog, wxDialog)
  29
  30 static pascal void NavEventProc(
  31                                 NavEventCallbackMessage inSelector,
  32                                 NavCBRecPtr ioParams,
  33                                 NavCallBackUserData ioUserData );
  34
  35 static NavEventUPP sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  36
  37 static pascal void NavEventProc(
  38                                 NavEventCallbackMessage inSelector,
  39                                 NavCBRecPtr ioParams,
  40                                 NavCallBackUserData ioUserData )
  41 {
  42     wxDirDialog * data = ( wxDirDialog *) ioUserData ;
  43     if ( inSelector == kNavCBStart )
  44     {
  45         if (data && !data->GetPath().empty() )
  46         {
  47             // Set default location for the modern Navigation APIs
  48             // Apple Technical Q&A 1151
  49             FSRef theFile;
  50             wxMacPathToFSRef(data->GetPath(), &theFile);
  51             AEDesc theLocation = { typeNull, NULL };
  52             if (noErr == ::AECreateDesc(typeFSRef, &theFile, sizeof(FSRef), &theLocation))
  53                  ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
  54         }
  55     }
  56 }
  57
  58 wxDirDialog::wxDirDialog(wxWindow *parent,
  59                          const wxString& message,
  60                          const wxString& defaultPath,
  61                          long style,
  62                          const wxPoint& WXUNUSED(pos),
  63                          const wxSize& WXUNUSED(size),
  64                          const wxString& WXUNUSED(name))
  65 {
  66     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
  67     m_parent = parent;
  68
  69     SetMessage( message );
  70     SetWindowStyle(style);
  71     SetPath(defaultPath);
  72 }
  73
  74 int wxDirDialog::ShowModal()
  75 {
  76     NavDialogRef dialog = NULL;
  77     NavDialogCreationOptions options;
  78     NavReplyRecord reply ;
  79     bool disposeReply = false ;
  80     OSStatus err = noErr;
  81
  82     err = NavGetDefaultDialogCreationOptions(&options);
  83     options.optionFlags &= ~kNavAllowMultipleFiles;
  84     if (err == noErr)
  85     {
  86         wxCFStringRef message(m_message, GetFont().GetEncoding());
  87         options.message = message;
  88         err = NavCreateChooseFolderDialog(&options, sStandardNavEventFilter , NULL,  this , &dialog);
  89         if (err == noErr)
  90         {
  91             err = NavDialogRun(dialog);
  92             if ( err == noErr )
  93             {
  94                 err = NavDialogGetReply(dialog, &reply);
  95                 disposeReply = true ;
  96             }
  97         }
  98     }
  99
 100     if ( err == noErr )
 101     {
 102         if ( reply.validRecord )
 103         {
 104             FSRef folderInfo;
 105             AEDesc specDesc ;
 106
 107             OSErr err = ::AECoerceDesc( &reply.selection , typeFSRef, &specDesc);
 108             if ( err != noErr )
 109             {
 110                 m_path = wxEmptyString ;
 111             }
 112             else
 113             {
 114                 folderInfo = **(FSRef**) specDesc.dataHandle;
 115                 m_path = wxMacFSRefToPath( &folderInfo ) ;
 116                 if (specDesc.dataHandle != nil)
 117                 {
 118                     ::AEDisposeDesc(&specDesc);
 119                 }
 120             }
 121         }
 122         else
 123         {
 124             err = paramErr ; // could be any error, only used for giving back wxID_CANCEL
 125         }
 126     }
 127
 128     if ( disposeReply )
 129         ::NavDisposeReply(&reply);
 130
 131     // apparently cancelling shouldn't change m_path
 132     if ( err != noErr && err != userCanceledErr )
 133         m_path = wxEmptyString ;
 134
 135     if ( dialog )
 136         ::NavDialogDispose(dialog);
 137
 138     return (err == noErr) ? wxID_OK : wxID_CANCEL ;
 139 }
 140
 141 #endif