on demand creation of native CGContexts , so that pure text measuring contexts don...

[wxWidgets.git] / src / mac / carbon / dirdlg.cpp

diff --git a/src/mac/carbon/dirdlg.cpp b/src/mac/carbon/dirdlg.cpp
index 095621b978ebe12a862622298ae8d5f1f48db38d..49ae77655e9c4356930757b1925a31db8d61628c 100644 (file)
--- a/src/mac/carbon/dirdlg.cpp
+++ b/src/mac/carbon/dirdlg.cpp
@@ -1,42 +1,141 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dirdlg.cpp
+// Name:        src/mac/carbon/dirdlg.cpp
 // Purpose:     wxDirDialog
-// Author:      AUTHOR
+// Author:      Stefan Csomor
 // Modified by:
-// Created:     ??/??/98
+// Created:     1998-01-01
 // RCS-ID:      $Id$
-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) Stefan Csomor
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "dirdlg.h"
-#endif
+#include "wx/wxprec.h"
+
+#if wxUSE_DIRDLG
 
-#include "wx/defs.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
 #include "wx/dirdlg.h"
 
-#include "wx/cmndata.h"
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/cmndata.h"
+#endif // WX_PRECOMP
 
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_CLASS(wxDirDialog, wxDialog)
+#include "wx/filename.h"
+
+#include "wx/mac/private.h"
+
+#ifdef __DARWIN__
+    #include <Carbon/Carbon.h>
+#else
+    #include <Navigation.h>
 #endif
 
-wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message,
-        const wxString& defaultPath,
-        long style, const wxPoint& pos)
+IMPLEMENT_CLASS(wxDirDialog, wxDialog)
+
+static pascal void NavEventProc(
+                                NavEventCallbackMessage inSelector,
+                                NavCBRecPtr ioParams,
+                                NavCallBackUserData ioUserData );
+
+static NavEventUPP sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
+
+static pascal void NavEventProc(
+                                NavEventCallbackMessage inSelector,
+                                NavCBRecPtr ioParams,
+                                NavCallBackUserData ioUserData )
 {
+    wxDirDialog * data = ( wxDirDialog *) ioUserData ;
+    if ( inSelector == kNavCBStart )
+    {
+        if (data && !data->GetPath().empty() )
+        {
+            // Set default location for the modern Navigation APIs
+            // Apple Technical Q&A 1151
+            FSRef theFile;
+            wxMacPathToFSRef(data->GetPath(), &theFile);
+            AEDesc theLocation = { typeNull, NULL };
+            if (noErr == ::AECreateDesc(typeFSRef, &theFile, sizeof(FSRef), &theLocation))
+                 ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
+        }
+    }
+}
+
+wxDirDialog::wxDirDialog(wxWindow *parent,
+                         const wxString& message,
+                         const wxString& defaultPath,
+                         long style,
+                         const wxPoint& WXUNUSED(pos),
+                         const wxSize& WXUNUSED(size),
+                         const wxString& WXUNUSED(name))
+{
+    wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
     m_message = message;
-    m_dialogStyle = style;
     m_parent = parent;
-       m_path = defaultPath;
+    m_path = defaultPath;
 }
 
 int wxDirDialog::ShowModal()
 {
-    // TODO
-       return wxID_CANCEL;
+    NavDialogRef dialog;
+    NavDialogCreationOptions options;
+    NavReplyRecord reply ;
+    bool disposeReply = false ;
+    OSStatus err = noErr;
+
+    err = NavGetDefaultDialogCreationOptions(&options);
+    if (err == noErr)
+    {
+        wxMacCFStringHolder message(m_message, m_font.GetEncoding());
+        options.message = message;
+        err = NavCreateChooseFolderDialog(&options, sStandardNavEventFilter , NULL,  this , &dialog);
+        if (err == noErr)
+        {
+            err = NavDialogRun(dialog);
+            if ( err == noErr )
+            {
+                err = NavDialogGetReply(dialog, &reply);
+                disposeReply = true ;
+            }
+        }
+    }
+
+    if ( err == noErr )
+    {
+        if ( reply.validRecord )
+        {
+            FSRef folderInfo;
+            AEDesc specDesc ;
+
+            OSErr err = ::AECoerceDesc( &reply.selection , typeFSRef, &specDesc);
+            if ( err != noErr )
+            {
+                m_path = wxEmptyString ;
+            }
+            else
+            {
+                folderInfo = **(FSRef**) specDesc.dataHandle;
+                m_path = wxMacFSRefToPath( &folderInfo ) ;
+                if (specDesc.dataHandle != nil)
+                {
+                    ::AEDisposeDesc(&specDesc);
+                }
+            }
+        }
+        else
+        {
+            err = paramErr ; // could be any error, only used for giving back wxID_CANCEL
+        }
+    }
+
+    if ( disposeReply )
+        ::NavDisposeReply(&reply);
+
+    // apparently cancelling shouldn't change m_path
+    if ( err != noErr && err != userCanceledErr )
+        m_path = wxEmptyString ;
+
+    return (err == noErr) ? wxID_OK : wxID_CANCEL ;
 }
 
+#endif