src/mac/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 #endif // WX_PRECOMP
  22
  23 #include "wx/cmndata.h"
  24 #include "wx/filename.h"
  25
  26 #include "wx/mac/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             FSSpec theFSSpec;
  56             wxMacFilename2FSSpec(data->GetPath(), &theFSSpec);
  57             AEDesc theLocation = { typeNull, NULL };
  58             if (noErr == ::AECreateDesc(typeFSS, &theFSSpec, sizeof(FSSpec), &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 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;
  81     NavDialogCreationOptions options;
  82     NavReplyRecord reply ;
  83     bool disposeReply = false ;
  84     OSStatus err = noErr;
  85
  86     err = NavGetDefaultDialogCreationOptions(&options);
  87     if (err == noErr)
  88     {
  89         wxMacCFStringHolder message(m_message, m_font.GetEncoding());
  90         options.message = message;
  91         err = NavCreateChooseFolderDialog(&options, sStandardNavEventFilter , NULL,  this , &dialog);
  92         if (err == noErr)
  93         {
  94             err = NavDialogRun(dialog);
  95             if ( err == noErr )
  96             {
  97                 err = NavDialogGetReply(dialog, &reply);
  98                 disposeReply = true ;
  99             }
 100         }
 101     }
 102
 103     if ( err == noErr )
 104     {
 105         if ( reply.validRecord )
 106         {
 107             FSRef folderInfo;
 108             AEDesc specDesc ;
 109
 110             OSErr err = ::AECoerceDesc( &reply.selection , typeFSRef, &specDesc);
 111             if ( err != noErr )
 112             {
 113                 m_path = wxEmptyString ;
 114             }
 115             else
 116             {
 117                 folderInfo = **(FSRef**) specDesc.dataHandle;
 118                 m_path = wxMacFSRefToPath( &folderInfo ) ;
 119                 if (specDesc.dataHandle != nil)
 120                 {
 121                     ::AEDisposeDesc(&specDesc);
 122                 }
 123             }
 124         }
 125         else
 126         {
 127             err = paramErr ; // could be any error, only used for giving back wxID_CANCEL
 128         }
 129     }
 130
 131     if ( disposeReply )
 132         ::NavDisposeReply(&reply);
 133
 134     // apparently cancelling shouldn't change m_path
 135     if ( err != noErr && err != userCanceledErr )
 136         m_path = wxEmptyString ;
 137
 138     return (err == noErr) ? wxID_OK : wxID_CANCEL ;
 139 }
 140
 141 #endif