overriding to allocate an outer autorelease pool

[wxWidgets.git] / src / gtk / filedlg.cpp

diff --git a/src/gtk/filedlg.cpp b/src/gtk/filedlg.cpp
index 929c0ccd68a4e6505ee22d8f9b1e92f431295222..b1d189e5640f4f6ad8b8cab3532407efd5dd3074 100644 (file)
--- a/src/gtk/filedlg.cpp
+++ b/src/gtk/filedlg.cpp
@@ -1,117 +1,156 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        gtk/filedlg.cpp
+// Name:        src/gtk/filedlg.cpp

 // Purpose:     native implementation of wxFileDialog
 // Purpose:     native implementation of wxFileDialog

-// Author:      Robert Roebling, Zbigniew Zagorski
+// Author:      Robert Roebling, Zbigniew Zagorski, Mart Raudsepp

 // Id:          $Id$
 // Id:          $Id$

-// Copyright:   (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski
+// Copyright:   (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "filedlg.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 

-#if wxUSE_FILEDLG && defined(__WXGTK24__)
+#if wxUSE_FILEDLG

 
 #include "wx/filedlg.h"
 
 #include "wx/filedlg.h"

-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/filename.h"
-#include "wx/msgdlg.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/msgdlg.h"
+#endif

 
 #include <gtk/gtk.h>
 #include "wx/gtk/private.h"
 
 
 #include <gtk/gtk.h>
 #include "wx/gtk/private.h"
 

-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
+#include <unistd.h> // chdir

 
 

-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+#include "wx/filename.h" // wxFilename
+#include "wx/tokenzr.h" // wxStringTokenizer
+#include "wx/filefn.h" // ::wxGetCwd

 
 //-----------------------------------------------------------------------------
 // "clicked" for OK-button
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // "clicked" for OK-button
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
 {
 static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
 {

-    int style = dialog->GetStyle();
-    gchar* text = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
-    wxString filename(wxGTK_CONV_BACK(text));
+    int style = dialog->GetWindowStyle();
+    wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)));

 
 

-    if ((style & wxSAVE) && (style & wxOVERWRITE_PROMPT))
+    // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
+#if GTK_CHECK_VERSION(2,7,3)
+    if (gtk_check_version(2, 7, 3) != NULL)
+#endif

     {
     {

-        if (wxFileExists(filename))
+        if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT))

         {
         {

-            wxString msg;
-            msg.Printf(
-             _("File '%s' already exists, do you really want to overwrite it?"),
-             filename.c_str());
-
-            wxMessageDialog dlg(dialog, msg, _("Confirm"),
-                               wxYES_NO | wxICON_QUESTION);
-            if (dlg.ShowModal() != wxID_YES)
-                return;
+            if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
+            {
+                wxString msg;
+
+                msg.Printf(
+                    _("File '%s' already exists, do you really want to overwrite it?"),
+                    wxString(filename, *wxConvFileName));
+
+                wxMessageDialog dlg(dialog, msg, _("Confirm"),
+                                   wxYES_NO | wxICON_QUESTION);
+                if (dlg.ShowModal() != wxID_YES)
+                    return;
+            }

         }
     }
         }
     }

-    else if ((style & wxOPEN) && ( style & wxFILE_MUST_EXIST))
+
+    if (style & wxFD_FILE_MUST_EXIST)

     {
     {

-        if (!wxFileExists( filename ))
+        if ( !g_file_test(filename, G_FILE_TEST_EXISTS) )

         {
         {

-            wxMessageDialog dlg(dialog,
-                                _("Please choose an existing file."),
-                                _("Error"), wxOK | wxICON_ERROR);
+            wxMessageDialog dlg( dialog, _("Please choose an existing file."),
+                                 _("Error"), wxOK| wxICON_ERROR);

             dlg.ShowModal();
             dlg.ShowModal();

-

             return;
         }
     }
 
     // change to the directory where the user went if asked
             return;
         }
     }
 
     // change to the directory where the user went if asked

-    if (style & wxCHANGE_DIR)
+    if (style & wxFD_CHANGE_DIR)

     {
     {

-        wxString cwd;
-        wxSplitPath(filename, &cwd, NULL, NULL);
-
-        if (cwd != wxGetCwd())
-        {
-            wxSetWorkingDirectory(cwd);
-        }
+        // Use chdir to not care about filename encodings
+        wxGtkString folder(g_path_get_dirname(filename));
+        chdir(folder);

     }
 
     }
 

-    dialog->SetPath(filename);
-    dialog->UpdateFromDialog();
-    

     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
     event.SetEventObject(dialog);
     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
     event.SetEventObject(dialog);

-    dialog->GetEventHandler()->ProcessEvent(event);
+    dialog->HandleWindowEvent(event);
+}

 }
 
 //-----------------------------------------------------------------------------
 // "clicked" for Cancel-button
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // "clicked" for Cancel-button
 //-----------------------------------------------------------------------------
 

-static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
-                                           wxFileDialog *dialog)
+extern "C"
+{
+
+static void
+gtk_filedialog_cancel_callback(GtkWidget * WXUNUSED(w), wxFileDialog *dialog)

 {
     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
     event.SetEventObject(dialog);
 {
     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
     event.SetEventObject(dialog);

-    dialog->GetEventHandler()->ProcessEvent(event);
+    dialog->HandleWindowEvent(event);

 }
 
 static void gtk_filedialog_response_callback(GtkWidget *w,
 }
 
 static void gtk_filedialog_response_callback(GtkWidget *w,

-                                             int response,
+                                             gint response,

                                              wxFileDialog *dialog)
 {
                                              wxFileDialog *dialog)
 {

-    wxapp_install_idle_handler();
-    
-    if (response == GTK_RESPONSE_CANCEL)
-        gtk_filedialog_cancel_callback(w, dialog);
-    else
+    if (response == GTK_RESPONSE_ACCEPT)

         gtk_filedialog_ok_callback(w, dialog);
         gtk_filedialog_ok_callback(w, dialog);

+    else    // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
+        gtk_filedialog_cancel_callback(w, dialog);
+}
+
+static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
+                                                   gpointer user_data)
+{
+    GtkWidget *preview = GTK_WIDGET(user_data);
+
+    wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
+
+    if ( !filename )
+        return;
+
+    GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL);
+    gboolean have_preview = pixbuf != NULL;
+
+    gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf);
+    if ( pixbuf )
+        g_object_unref (pixbuf);
+
+    gtk_file_chooser_set_preview_widget_active(chooser, have_preview);
+}
+
+} // extern "C"
+
+//-----------------------------------------------------------------------------
+// "size_request" from m_extraControl
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void extra_widget_size_request(GtkWidget*, GtkRequisition* req, wxWindow* win)
+{
+    // allow dialog to be resized smaller horizontally
+    req->width = win->GetMinWidth();
+}
+}
+
+void wxFileDialog::AddChildGTK(wxWindowGTK* child)
+{
+    g_signal_connect_after(child->m_widget, "size_request",
+        G_CALLBACK(extra_widget_size_request), child);
+    gtk_file_chooser_set_extra_widget(
+        GTK_FILE_CHOOSER(m_widget), child->m_widget);

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -120,32 +159,43 @@ static void gtk_filedialog_response_callback(GtkWidget *w,
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase)
 

+BEGIN_EVENT_TABLE(wxFileDialog,wxFileDialogBase)
+    EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
+    EVT_SIZE(wxFileDialog::OnSize)
+END_EVENT_TABLE()
+

 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                            const wxString& defaultDir,
                            const wxString& defaultFileName,
                            const wxString& wildCard,
 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                            const wxString& defaultDir,
                            const wxString& defaultFileName,
                            const wxString& wildCard,

-                           long style, const wxPoint& pos)
-    : wxFileDialogBase(parent, message, defaultDir, defaultFileName,
-                       wildCard, style, pos)
+                           long style, const wxPoint& pos,
+                           const wxSize& sz,
+                           const wxString& name)
+    : wxFileDialogBase()

 {
 {

-    m_needParent = FALSE;
+    parent = GetParentForModalDialog(parent);
+
+    if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName,
+                                  wildCard, style, pos, sz, name))
+    {
+        return;
+    }

 
     if (!PreCreation(parent, pos, wxDefaultSize) ||
         !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 
     if (!PreCreation(parent, pos, wxDefaultSize) ||
         !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,

-                    wxDefaultValidator, wxT("filedialog")))
+                wxDefaultValidator, wxT("filedialog")))

     {
         wxFAIL_MSG( wxT("wxFileDialog creation failed") );
         return;
     }
 
     {
         wxFAIL_MSG( wxT("wxFileDialog creation failed") );
         return;
     }
 

-    bool multiple = (style & wxMULTIPLE) == wxMULTIPLE;

     GtkFileChooserAction gtk_action;
     GtkWindow* gtk_parent = NULL;
     if (parent)
     GtkFileChooserAction gtk_action;
     GtkWindow* gtk_parent = NULL;
     if (parent)

-        gtk_parent = GTK_WINDOW(parent->m_widget);
-    
-    gchar* ok_btn_stock;
-    if ((style & wxSAVE) == wxSAVE)
+        gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
+
+    const gchar* ok_btn_stock;
+    if ( style & wxFD_SAVE )

     {
         gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
         ok_btn_stock = GTK_STOCK_SAVE;
     {
         gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
         ok_btn_stock = GTK_STOCK_SAVE;


@@ -155,74 +205,160 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
         gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
         ok_btn_stock = GTK_STOCK_OPEN;
     }
         gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
         ok_btn_stock = GTK_STOCK_OPEN;
     }

+

     m_widget = gtk_file_chooser_dialog_new(
     m_widget = gtk_file_chooser_dialog_new(

-                       wxGTK_CONV(m_message),
-                       gtk_parent,
-                       gtk_action,
-                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
-                       ok_btn_stock, GTK_RESPONSE_ACCEPT,
-                       NULL);
-
-    gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), multiple);
-        
-    gtk_signal_connect(GTK_OBJECT(m_widget),
-                             "response", 
-                             GTK_SIGNAL_FUNC(gtk_filedialog_response_callback),
-                             (gpointer*)this);
-    
-    m_path = m_dir;
-    if (!m_path.empty() && m_path.Last() != wxT('/'))
-        m_path += wxT('/');
-    m_path += m_fileName;
-    SetPath(m_path);
-    
+                   wxGTK_CONV(m_message),
+                   gtk_parent,
+                   gtk_action,
+                   GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                   ok_btn_stock, GTK_RESPONSE_ACCEPT,
+                   NULL);
+    g_object_ref(m_widget);
+    GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget);
+
+    m_fc.SetWidget(file_chooser);
+
+    gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
+
+    if ( style & wxFD_MULTIPLE )
+        gtk_file_chooser_set_select_multiple(file_chooser, true);
+
+    // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically
+    // destroys the dialog when the user press ESC on the dialog: in that case
+    // a second call to ShowModal() would result in a bunch of Gtk-CRITICAL
+    // errors...
+    g_signal_connect(m_widget,
+                    "delete_event",
+                    G_CALLBACK (gtk_widget_hide_on_delete),
+                    this);
+
+    // local-only property could be set to false to allow non-local files to be
+    // loaded. In that case get/set_uri(s) should be used instead of
+    // get/set_filename(s) everywhere and the GtkFileChooserDialog should
+    // probably also be created with a backend, e.g "gnome-vfs", "default", ...
+    // (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept
+    // as the default - true:
+    // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
+
+    g_signal_connect (m_widget, "response",
+        G_CALLBACK (gtk_filedialog_response_callback), this);
+

     SetWildcard(wildCard);
     SetWildcard(wildCard);

-    SetFilterIndex(0);
+
+    // if defaultDir is specified it should contain the directory and
+    // defaultFileName should contain the default name of the file, however if
+    // directory is not given, defaultFileName contains both
+    wxFileName fn;
+    if ( defaultDir.empty() )
+        fn.Assign(defaultFileName);
+    else if ( !defaultFileName.empty() )
+        fn.Assign(defaultDir, defaultFileName);
+    else
+        fn.AssignDir(defaultDir);
+
+    // set the initial file name and/or directory
+    fn.MakeAbsolute(); // GTK+ needs absolute path
+    const wxString dir = fn.GetPath();
+    if ( !dir.empty() )
+    {
+        gtk_file_chooser_set_current_folder(file_chooser, dir.fn_str());
+    }
+
+    const wxString fname = fn.GetFullName();
+    if ( style & wxFD_SAVE )
+    {
+        if ( !fname.empty() )
+        {
+            gtk_file_chooser_set_current_name(file_chooser, fname.fn_str());
+        }
+
+#if GTK_CHECK_VERSION(2,7,3)
+        if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3))
+            gtk_file_chooser_set_do_overwrite_confirmation(file_chooser, true);
+#endif
+    }
+    else // wxFD_OPEN
+    {
+        if ( !fname.empty() )
+        {
+            gtk_file_chooser_set_filename(file_chooser,
+                                          fn.GetFullPath().fn_str());
+        }
+    }
+
+    if ( style & wxFD_PREVIEW )
+    {
+        GtkWidget *previewImage = gtk_image_new();
+
+        gtk_file_chooser_set_preview_widget(file_chooser, previewImage);
+        g_signal_connect(m_widget, "update-preview",
+                         G_CALLBACK(gtk_filedialog_update_preview_callback),
+                         previewImage);
+    }

 }
 
 wxFileDialog::~wxFileDialog()
 {
 }
 
 wxFileDialog::~wxFileDialog()
 {

-    m_widget = NULL;
+    if (m_extraControl)
+    {
+        // get chooser to drop its reference right now, allowing wxWindow dtor
+        // to verify that ref count drops to zero
+        gtk_file_chooser_set_extra_widget(
+            GTK_FILE_CHOOSER(m_widget), NULL);
+    }

 }
 
 }
 

-void wxFileDialog::GetFilenames(wxArrayString& files) const 
+void wxFileDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event))

 {
 {

-    GetPaths(files);
-    for (size_t n = 0; n < files.GetCount(); n++ )
-    {
-        wxString name,ext;
-        wxSplitPath(files[n], NULL, &name, &ext);
-        if (!ext.IsEmpty())
-        {
-            name += wxT(".");
-            name += ext;
-        }
-        files[n] = name;
-    }
+    EndDialog(wxID_OK);

 }
 
 }
 

-void wxFileDialog::GetPaths(wxArrayString& paths) const 
+int wxFileDialog::ShowModal()

 {
 {

-    paths.Empty(); 
-    if (GetWindowStyle() & wxMULTIPLE)
+    CreateExtraControl();
+
+    return wxDialog::ShowModal();
+}
+
+void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
+                             int WXUNUSED(width), int WXUNUSED(height),
+                             int WXUNUSED(sizeFlags))
+{
+}
+
+void wxFileDialog::OnSize(wxSizeEvent&)
+{
+    // avoid calling DoLayout(), which will set the (wrong) size of
+    // m_extraControl, its size is managed by GtkFileChooser
+}
+
+wxString wxFileDialog::GetPath() const
+{
+    wxFileName fn = m_fc.GetPath();
+
+    if (HasFdFlag(wxFD_SAVE))

     {
     {

-        GSList *gpathsi = 
-            gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
-        GSList *gpaths = gpathsi;
-        while (gpathsi)
+        // add extension
+        if (!fn.HasExt())

         {
         {

-            wxString file = wxGTK_CONV_BACK((gchar*) gpathsi->data);
-            paths.Add(file);
-            g_free(gpathsi->data);
-            gpathsi = gpathsi->next;
+           wxFileName wildcard( "/dummy", m_fc.GetCurrentWildCard() );
+           wxString ext = wildcard.GetExt();
+           if (!ext.empty() && (ext.Find('?') == wxNOT_FOUND) && (ext.Find('*') == wxNOT_FOUND))
+               fn.SetExt( ext );

         }
         }

-        if (gpaths) 
-            g_slist_free(gpaths);
-    }
-    else
-    {
-        paths.Add(m_fileName);

     }
     }

+
+    return fn.GetFullPath();
+}
+
+void wxFileDialog::GetFilenames(wxArrayString& files) const
+{
+    m_fc.GetFilenames( files );
+}
+
+void wxFileDialog::GetPaths(wxArrayString& paths) const
+{
+    m_fc.GetPaths( paths );

 }
 
 void wxFileDialog::SetMessage(const wxString& message)
 }
 
 void wxFileDialog::SetMessage(const wxString& message)


@@ -233,134 +369,79 @@ void wxFileDialog::SetMessage(const wxString& message)
 
 void wxFileDialog::SetPath(const wxString& path)
 {
 
 void wxFileDialog::SetPath(const wxString& path)
 {

-    if (path.empty()) return;
-
-    wxFileName fn(path);
-    m_path = fn.GetFullPath();
-    
-    SetDirectory(fn.GetPath());
-    SetFilename(fn.GetFullName());
+    wxCHECK_RET(wxIsAbsolutePath(path), " wxFileDialog::SetPath requires an absolute filepath");
+    m_fc.SetPath( path );

 }
 
 void wxFileDialog::SetDirectory(const wxString& dir)
 {
 }
 
 void wxFileDialog::SetDirectory(const wxString& dir)
 {

-    if (wxDirExists(dir))
+    if (m_fc.SetDirectory( dir ))

     {
     {

+        // Cache the dir, as gtk_file_chooser_get_current_folder()
+        // doesn't return anything until the dialog has been shown

         m_dir = dir;
         m_dir = dir;

-        gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
-                                            wxGTK_CONV(m_dir));
-        wxFileName fn(m_dir,m_fileName);
-        m_path = fn.GetFullPath();

     }
 }
 
     }
 }
 

-void wxFileDialog::SetFilename(const wxString& name)
+wxString wxFileDialog::GetDirectory() const

 {
 {

-    m_fileName = name;
-    wxFileName fn(m_dir,m_fileName);
-    m_path = fn.GetFullPath();
-    
-    gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget),
-                                      wxGTK_CONV(m_path));
-
-    // pre-fill the filename when saving, too (there's no text entry
-    // control when opening a file, so it doesn't make sense to
-    // do this in when opening files):
-    if (GetWindowStyle() & wxSAVE)
+    wxString currentDir( m_fc.GetDirectory() );
+    if (currentDir.empty())

     {
     {

-        gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
-                                              wxGTK_CONV(m_fileName));
+        // m_fc.GetDirectory() will return empty until the dialog has been shown
+        // in which case use any previously provided value
+        currentDir = m_dir;

     }
     }

+    return currentDir;

 }
 
 }
 

-void wxFileDialog::SetWildcard(const wxString& wildCard)
+void wxFileDialog::SetFilename(const wxString& name)

 {
 {

-    m_wildCard = wildCard;
-    
-    GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
-    
-    // empty current filter list:
-    GSList* ifilters = gtk_file_chooser_list_filters(chooser);
-    GSList* filters = ifilters;
-    while (ifilters)
+    if (HasFdFlag(wxFD_SAVE))

     {
     {

-        gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
-        ifilters = ifilters->next;
-    }
-    g_slist_free(filters);
-    
-    // parse filters
-    wxArrayString wildDescriptions, wildFilters;
-    if (!wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters))
-    {
-        wxFAIL_MSG( wxT("Wrong file type description") );
+        gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
+        m_fileName = name;

     }
     }

+

     else
     {
     else
     {

-        // add parsed to GtkChooser
-        for (size_t n = 0; n < wildFilters.GetCount(); n++)
+        wxString path( GetDirectory() );
+        if (path.empty())

         {
         {

-            GtkFileFilter* filter = gtk_file_filter_new();
-            gtk_file_filter_set_name(filter,wxGTK_CONV(wildDescriptions[n]));
-            wxString after = wildFilters[n];
-            do
-            {
-                wxString ext = after.BeforeFirst(wxT(';'));
-                gtk_file_filter_add_pattern(filter,wxGTK_CONV(ext));
-                if (after.Find(wxT(';')) == wxNOT_FOUND)
-                    break;
-                after = after.AfterLast(wxT(';'));
-            }
-            while (!after.empty());
-            
-            gtk_file_chooser_add_filter(chooser, filter);
+            // SetPath() fires an assert if fed other than filepaths
+            return;

         }
         }

+        SetPath(wxFileName(path, name).GetFullPath());
+        m_fileName = name;

     }
 }
 
     }
 }
 

-void wxFileDialog::SetFilterIndex(int filterIndex)
+wxString wxFileDialog::GetFilename() const

 {
 {

-    m_filterIndex = filterIndex;
-
-    GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
-    GSList *fnode = gtk_file_chooser_list_filters(chooser);
-    GSList *filters = fnode;
-    int i = 0;
-    while (fnode)
+    wxString currentFilename( m_fc.GetFilename() );
+    if (currentFilename.empty())

     {
     {

-        if (i == filterIndex)
-        {
-            gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(fnode->data));
-            m_filterIndex = i;
-            break;
-        }
-        i++;
-        fnode = fnode->next;
+        // m_fc.GetFilename() will return empty until the dialog has been shown
+        // in which case use any previously provided value
+        currentFilename = m_fileName;

     }
     }

-    g_slist_free(filters);
+    return currentFilename;

 }
 
 }
 

-void wxFileDialog::UpdateFromDialog()
+void wxFileDialog::SetWildcard(const wxString& wildCard)

 {
 {

-    // update filterIndex
-    GSList *fnode = gtk_file_chooser_list_filters(GTK_FILE_CHOOSER(m_widget));
-    GSList *filters = fnode;
-    GtkFileFilter *current =
-        gtk_file_chooser_get_filter(GTK_FILE_CHOOSER(m_widget));
-    
-    int i = 0;
-    m_filterIndex = 0;
-    while (fnode)
-    {
-        if (fnode->data == (gpointer)current)
-        {
-            m_filterIndex = i;
-            break;
-        }
-        i++;
-        fnode = fnode->next;
-    }
-    g_slist_free(filters);
+    m_fc.SetWildcard( wildCard );
+}
+
+void wxFileDialog::SetFilterIndex(int filterIndex)
+{
+
+    m_fc.SetFilterIndex( filterIndex);
+}
+
+int wxFileDialog::GetFilterIndex() const
+{
+    return m_fc.GetFilterIndex();

 }
 
 }
 

-#endif // wxUSE_FILEDLG && defined(__WXGTK24__)
+#endif // wxUSE_FILEDLG