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