src/osx/carbon/dirdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/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
  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 #ifdef __DARWIN__
  29     #include <Carbon/Carbon.h>
  30 #else
  31     #include <Navigation.h>
  32 #endif
  33
  34 IMPLEMENT_CLASS(wxDirDialog, wxDialog)
  35
  36 static pascal void NavEventProc(
  37                                 NavEventCallbackMessage inSelector,
  38                                 NavCBRecPtr ioParams,
  39                                 NavCallBackUserData ioUserData );
  40
  41 static NavEventUPP sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  42
  43 static pascal void NavEventProc(
  44                                 NavEventCallbackMessage inSelector,
  45                                 NavCBRecPtr ioParams,
  46                                 NavCallBackUserData ioUserData )
  47 {
  48     wxDirDialog * data = ( wxDirDialog *) ioUserData ;
  49     if ( inSelector == kNavCBStart )
  50     {
  51         if (data && !data->GetPath().empty() )
  52         {
  53             // Set default location for the modern Navigation APIs
  54             // Apple Technical Q&A 1151
  55             FSRef theFile;
  56             wxMacPathToFSRef(data->GetPath(), &theFile);
  57             AEDesc theLocation = { typeNull, NULL };
  58             if (noErr == ::AECreateDesc(typeFSRef, &theFile, sizeof(FSRef), &theLocation))
  59                  ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
  60         }
  61     }
  62 }
  63
  64 wxDirDialog::wxDirDialog(wxWindow *parent,
  65                          const wxString& message,
  66                          const wxString& defaultPath,
  67                          long WXUNUSED(style),
  68                          const wxPoint& WXUNUSED(pos),
  69                          const wxSize& WXUNUSED(size),
  70                          const wxString& WXUNUSED(name))
  71 {
  72     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
  73     m_message = message;
  74     m_parent = parent;
  75     m_path = defaultPath;
  76 }
  77
  78 int wxDirDialog::ShowModal()
  79 {
  80     NavDialogRef dialog = NULL;
  81     NavDialogCreationOptions options;
  82     NavReplyRecord reply ;
  83     bool disposeReply = false ;
  84     OSStatus err = noErr;
  85
  86     err = NavGetDefaultDialogCreationOptions(&options);
  87     options.optionFlags &= ~kNavAllowMultipleFiles;
  88     if (err == noErr)
  89     {
  90         wxCFStringRef message(m_message, GetFont().GetEncoding());
  91         options.message = message;
  92         err = NavCreateChooseFolderDialog(&options, sStandardNavEventFilter , NULL,  this , &dialog);
  93         if (err == noErr)
  94         {
  95             err = NavDialogRun(dialog);
  96             if ( err == noErr )
  97             {
  98                 err = NavDialogGetReply(dialog, &reply);
  99                 disposeReply = true ;
 100             }
 101         }
 102     }
 103
 104     if ( err == noErr )
 105     {
 106         if ( reply.validRecord )
 107         {
 108             FSRef folderInfo;
 109             AEDesc specDesc ;
 110
 111             OSErr err = ::AECoerceDesc( &reply.selection , typeFSRef, &specDesc);
 112             if ( err != noErr )
 113             {
 114                 m_path = wxEmptyString ;
 115             }
 116             else
 117             {
 118                 folderInfo = **(FSRef**) specDesc.dataHandle;
 119                 m_path = wxMacFSRefToPath( &folderInfo ) ;
 120                 if (specDesc.dataHandle != nil)
 121                 {
 122                     ::AEDisposeDesc(&specDesc);
 123                 }
 124             }
 125         }
 126         else
 127         {
 128             err = paramErr ; // could be any error, only used for giving back wxID_CANCEL
 129         }
 130     }
 131
 132     if ( disposeReply )
 133         ::NavDisposeReply(&reply);
 134
 135     // apparently cancelling shouldn't change m_path
 136     if ( err != noErr && err != userCanceledErr )
 137         m_path = wxEmptyString ;
 138
 139         if ( dialog )
 140         ::NavDialogDispose(dialog);
 141
 142     return (err == noErr) ? wxID_OK : wxID_CANCEL ;
 143 }
 144
 145 #endif