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 #include "wx/modalhook.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     WX_HOOK_MODAL_DIALOG();
  77
  78     NavDialogRef dialog = NULL;
  79     NavDialogCreationOptions options;
  80     NavReplyRecord reply ;
  81     bool disposeReply = false ;
  82     OSStatus err = noErr;
  83
  84     err = NavGetDefaultDialogCreationOptions(&options);
  85     options.optionFlags &= ~kNavAllowMultipleFiles;
  86     if (err == noErr)
  87     {
  88         wxCFStringRef message(m_message, GetFont().GetEncoding());
  89         options.message = message;
  90         err = NavCreateChooseFolderDialog(&options, sStandardNavEventFilter , NULL,  this , &dialog);
  91         if (err == noErr)
  92         {
  93             wxDialog::OSXBeginModalDialog();
  94             err = NavDialogRun(dialog);
  95             wxDialog::OSXEndModalDialog();
  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