src/gtk/filedlg.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/filedlg.cpp
// Purpose:     native implementation of wxFileDialog
// Author:      Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#if wxUSE_FILEDLG && defined(__WXGTK24__)

#include "wx/filedlg.h"

#ifndef WX_PRECOMP
    #include "wx/intl.h"
    #include "wx/msgdlg.h"
#endif

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

#include <unistd.h> // chdir

#include "wx/filename.h" // wxFilename
#include "wx/tokenzr.h" // wxStringTokenizer
#include "wx/filefn.h" // ::wxGetCwd

//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------

extern void wxapp_install_idle_handler();

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

extern "C" {
static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
{
    int style = dialog->GetWindowStyle();
    gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));

    // 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 ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT))
    {
        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(wxConvFileName->cMB2WX(filename)).c_str());

            wxMessageDialog dlg(dialog, msg, _("Confirm"),
                               wxYES_NO | wxICON_QUESTION);
            if (dlg.ShowModal() != wxID_YES)
                return;
        }
    }

    // change to the directory where the user went if asked
    if (style & wxFD_CHANGE_DIR)
    {
        // Use chdir to not care about filename encodings
        gchar* folder = g_path_get_dirname(filename);
        chdir(folder);
        g_free(folder);
    }

    g_free(filename);

    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
    event.SetEventObject(dialog);
    dialog->GetEventHandler()->ProcessEvent(event);
}
}

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

extern "C"
{

static void gtk_filedialog_cancel_callback(GtkWidget *w, wxFileDialog *dialog)
{
    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
    event.SetEventObject(dialog);
    dialog->GetEventHandler()->ProcessEvent(event);
}

static void gtk_filedialog_response_callback(GtkWidget *w,
                                             gint response,
                                             wxFileDialog *dialog)
{
    wxapp_install_idle_handler();

    if (response == GTK_RESPONSE_ACCEPT)
        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)
{
#if GTK_CHECK_VERSION(2,4,0)
    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);
#else
    wxUnusedVar(chooser);
    wxUnusedVar(user_data);
#endif // GTK+ 2.4+
}

} // extern "C"


//-----------------------------------------------------------------------------
// wxFileDialog
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)

BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
    EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
END_EVENT_TABLE()

wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                           const wxString& defaultDir,
                           const wxString& defaultFileName,
                           const wxString& wildCard,
                           long style, const wxPoint& pos,
                           const wxSize& sz,
                           const wxString& name)
    : wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
                          wildCard, style, pos, sz, name, true )
{
    if (gtk_check_version(2,4,0))
    {
        wxGenericFileDialog::Create( parent, message, defaultDir,
                                     defaultFileName, wildCard, style, pos );
        return;
    }

    m_needParent = false;

    if (!PreCreation(parent, pos, wxDefaultSize) ||
        !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
                wxDefaultValidator, wxT("filedialog")))
    {
        wxFAIL_MSG( wxT("wxFileDialog creation failed") );
        return;
    }

    GtkFileChooserAction gtk_action;
    GtkWindow* gtk_parent = NULL;
    if (parent)
        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;
    }
    else
    {
        gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
        ok_btn_stock = GTK_STOCK_OPEN;
    }

    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_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);

    if ( style & wxFD_MULTIPLE )
        gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), 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 (G_OBJECT(m_widget),
                    "delete_event",
                    G_CALLBACK (gtk_widget_hide_on_delete),
                    (gpointer)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);

    if ( style & wxFD_SAVE )
    {
        if ( !defaultDir.empty() )
            gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
            wxConvFileName->cWX2MB(defaultDir));

        gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
            wxGTK_CONV(defaultFileName));

#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(GTK_FILE_CHOOSER(m_widget), TRUE);
#endif
    }
    else // wxFD_OPEN
    {
        if ( !defaultFileName.empty() )
        {
            wxString dir;
            if ( defaultDir.empty() )
                dir = ::wxGetCwd();
            else
                dir = defaultDir;

            gtk_file_chooser_set_filename(
                GTK_FILE_CHOOSER(m_widget),
                wxConvFileName->cWX2MB( wxFileName(dir, defaultFileName).GetFullPath() ) );
        }
        else if ( !defaultDir.empty() )
        {
            gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
                wxConvFileName->cWX2MB(defaultDir) );
        }
    }

#if GTK_CHECK_VERSION(2,4,0)
    if ( style & wxFD_PREVIEW )
    {
        GtkWidget *previewImage = gtk_image_new();

        gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(m_widget),
                                            previewImage);
        g_signal_connect(m_widget, "update-preview",
                         G_CALLBACK(gtk_filedialog_update_preview_callback),
                         previewImage);
    }
#endif // GTK+ 2.4+
}

void wxFileDialog::OnFakeOk( wxCommandEvent &event )
{
    if (!gtk_check_version(2,4,0))
        EndDialog(wxID_OK);
    else
        wxGenericFileDialog::OnListOk( event );
}

int wxFileDialog::ShowModal()
{
    if (!gtk_check_version(2,4,0))
        return wxDialog::ShowModal();
    else
        return wxGenericFileDialog::ShowModal();
}

bool wxFileDialog::Show( bool show )
{
    if (!gtk_check_version(2,4,0))
        return wxDialog::Show( show );
    else
        return wxGenericFileDialog::Show( show );
}

void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
{
    if (!m_wxwindow)
        return;
    else
        wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
}

wxString wxFileDialog::GetPath() const
{
    if (!gtk_check_version(2,4,0))
        return wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
    else
        return wxGenericFileDialog::GetPath();
}

void wxFileDialog::GetFilenames(wxArrayString& files) const
{
    if (!gtk_check_version(2,4,0))
    {
        GetPaths(files);
        for (size_t n = 0; n < files.GetCount(); ++n )
        {
            wxFileName file(files[n]);
            files[n] = file.GetFullName();
        }
    }
    else
        wxGenericFileDialog::GetFilenames( files );
}

void wxFileDialog::GetPaths(wxArrayString& paths) const
{
    if (!gtk_check_version(2,4,0))
    {
        paths.Empty();
        if (gtk_file_chooser_get_select_multiple(GTK_FILE_CHOOSER(m_widget)))
        {
            GSList *gpathsi = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
            GSList *gpaths = gpathsi;
            while (gpathsi)
            {
                wxString file(wxConvFileName->cMB2WX((gchar*) gpathsi->data));
                paths.Add(file);
                g_free(gpathsi->data);
                gpathsi = gpathsi->next;
            }

            g_slist_free(gpaths);
        }
        else
            paths.Add(GetPath());
    }
    else
        wxGenericFileDialog::GetPaths( paths );
}

void wxFileDialog::SetMessage(const wxString& message)
{
    if (!gtk_check_version(2,4,0))
    {
        m_message = message;
        SetTitle(message);
    }
    else
        wxGenericFileDialog::SetMessage( message );
}

void wxFileDialog::SetPath(const wxString& path)
{
    if (!gtk_check_version(2,4,0))
    {
        if (path.empty()) return;

        gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(path));
    }
    else
        wxGenericFileDialog::SetPath( path );
}

void wxFileDialog::SetDirectory(const wxString& dir)
{
    if (!gtk_check_version(2,4,0))
    {
        if (wxDirExists(dir))
        {
            gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
        }
    }
    else
        wxGenericFileDialog::SetDirectory( dir );
}

wxString wxFileDialog::GetDirectory() const
{
    if (!gtk_check_version(2,4,0))
        return wxConvFileName->cMB2WX(
            gtk_file_chooser_get_current_folder( GTK_FILE_CHOOSER(m_widget) ) );
    else
        return wxGenericFileDialog::GetDirectory();
}

void wxFileDialog::SetFilename(const wxString& name)
{
    if (!gtk_check_version(2,4,0))
    {
        if (HasFlag(wxFD_SAVE))
            gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
        else
            SetPath(wxFileName(GetDirectory(), name).GetFullPath());
    }
    else
        wxGenericFileDialog::SetFilename( name );
}

wxString wxFileDialog::GetFilename() const
{
    if (!gtk_check_version(2,4,0))
        return wxFileName(
            wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget))) ).GetFullName();
    else
        return wxGenericFileDialog::GetFilename();
}

void wxFileDialog::SetWildcard(const wxString& wildCard)
{
    if (!gtk_check_version(2,4,0))
    {
        // parse filters
        wxArrayString wildDescriptions, wildFilters;
        if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
        {
            wxFAIL_MSG( wxT("wxFileDialog::SetWildCard - bad wildcard string") );
        }
        else
        {
            // Parsing went fine. Set m_wildCard to be returned by wxFileDialogBase::GetWildcard
            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)
            {
                gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
                ifilters = ifilters->next;
            }
            g_slist_free(filters);

            // add parsed to GtkChooser
            for (size_t n = 0; n < wildFilters.GetCount(); ++n)
            {
                GtkFileFilter* filter = gtk_file_filter_new();
                gtk_file_filter_set_name(filter, wxGTK_CONV(wildDescriptions[n]));

                wxStringTokenizer exttok(wildFilters[n], wxT(";"));
                while (exttok.HasMoreTokens())
                {
                    wxString token = exttok.GetNextToken();
                    gtk_file_filter_add_pattern(filter, wxGTK_CONV(token));
                }

                gtk_file_chooser_add_filter(chooser, filter);
            }

            // Reset the filter index
            SetFilterIndex(0);
        }
    }
    else
        wxGenericFileDialog::SetWildcard( wildCard );
}

void wxFileDialog::SetFilterIndex(int filterIndex)
{

    if (!gtk_check_version(2,4,0))
    {
        gpointer filter;
        GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
        GSList *filters = gtk_file_chooser_list_filters(chooser);

        filter = g_slist_nth_data(filters, filterIndex);

        if (filter != NULL)
        {
            gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
        }
        else
        {
            wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
        }

        g_slist_free(filters);
    }
    else
        wxGenericFileDialog::SetFilterIndex( filterIndex );
}

int wxFileDialog::GetFilterIndex() const
{
    if (!gtk_check_version(2,4,0))
    {
        GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
        GtkFileFilter *filter = gtk_file_chooser_get_filter(chooser);
        GSList *filters = gtk_file_chooser_list_filters(chooser);
        gint index = g_slist_index(filters, filter);
        g_slist_free(filters);

        if (index == -1)
        {
            wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
            return 0;
        }
        else
            return index;
    }
    else
                return wxGenericFileDialog::GetFilterIndex();
}

#endif // wxUSE_FILEDLG &&  __WXGTK24__
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/gtk/filedlg.cpp
	3	// Purpose: native implementation of wxFileDialog
	4	// Author: Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	// For compilers that support precompilation, includes "wx.h".
	11	#include "wx/wxprec.h"
	12
	13	#if wxUSE_FILEDLG && defined(__WXGTK24__)
	14
	15	#include "wx/filedlg.h"
	16
	17	#ifndef WX_PRECOMP
	18	#include "wx/intl.h"
	19	#include "wx/msgdlg.h"
	20	#endif
	21
	22	#include <gtk/gtk.h>
	23	#include "wx/gtk/private.h"
	24
	25	#include <unistd.h> // chdir
	26
	27	#include "wx/filename.h" // wxFilename
	28	#include "wx/tokenzr.h" // wxStringTokenizer
	29	#include "wx/filefn.h" // ::wxGetCwd
	30
	31	//-----------------------------------------------------------------------------
	32	// idle system
	33	//-----------------------------------------------------------------------------
	34
	35	extern void wxapp_install_idle_handler();
	36
	37	//-----------------------------------------------------------------------------
	38	// "clicked" for OK-button
	39	//-----------------------------------------------------------------------------
	40
	41	extern "C" {
	42	static void gtk_filedialog_ok_callback(GtkWidget widget, wxFileDialog dialog)
	43	{
	44	int style = dialog->GetWindowStyle();
	45	gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
	46
	47	// gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
	48	#if GTK_CHECK_VERSION(2,7,3)
	49	if(gtk_check_version(2,7,3) != NULL)
	50	#endif
	51	if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT))
	52	{
	53	if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
	54	{
	55	wxString msg;
	56
	57	msg.Printf(
	58	_("File '%s' already exists, do you really want to overwrite it?"),
	59	wxString(wxConvFileName->cMB2WX(filename)).c_str());
	60
	61	wxMessageDialog dlg(dialog, msg, _("Confirm"),
	62	wxYES_NO \| wxICON_QUESTION);
	63	if (dlg.ShowModal() != wxID_YES)
	64	return;
	65	}
	66	}
	67
	68	// change to the directory where the user went if asked
	69	if (style & wxFD_CHANGE_DIR)
	70	{
	71	// Use chdir to not care about filename encodings
	72	gchar* folder = g_path_get_dirname(filename);
	73	chdir(folder);
	74	g_free(folder);
	75	}
	76
	77	g_free(filename);
	78
	79	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
	80	event.SetEventObject(dialog);
	81	dialog->GetEventHandler()->ProcessEvent(event);
	82	}
	83	}
	84
	85	//-----------------------------------------------------------------------------
	86	// "clicked" for Cancel-button
	87	//-----------------------------------------------------------------------------
	88
	89	extern "C"
	90	{
	91
	92	static void gtk_filedialog_cancel_callback(GtkWidget w, wxFileDialog dialog)
	93	{
	94	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
	95	event.SetEventObject(dialog);
	96	dialog->GetEventHandler()->ProcessEvent(event);
	97	}
	98
	99	static void gtk_filedialog_response_callback(GtkWidget *w,
	100	gint response,
	101	wxFileDialog *dialog)
	102	{
	103	wxapp_install_idle_handler();
	104
	105	if (response == GTK_RESPONSE_ACCEPT)
	106	gtk_filedialog_ok_callback(w, dialog);
	107	else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
	108	gtk_filedialog_cancel_callback(w, dialog);
	109	}
	110
	111	static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
	112	gpointer user_data)
	113	{
	114	#if GTK_CHECK_VERSION(2,4,0)
	115	GtkWidget *preview = GTK_WIDGET(user_data);
	116	wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
	117	if ( !filename )
	118	return;
	119
	120	GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL);
	121	gboolean have_preview = pixbuf != NULL;
	122
	123	gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf);
	124	if ( pixbuf )
	125	g_object_unref (pixbuf);
	126
	127	gtk_file_chooser_set_preview_widget_active(chooser, have_preview);
	128	#else
	129	wxUnusedVar(chooser);
	130	wxUnusedVar(user_data);
	131	#endif // GTK+ 2.4+
	132	}
	133
	134	} // extern "C"
	135
	136
	137	//-----------------------------------------------------------------------------
	138	// wxFileDialog
	139	//-----------------------------------------------------------------------------
	140
	141	IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
	142
	143	BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
	144	EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
	145	END_EVENT_TABLE()
	146
	147	wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
	148	const wxString& defaultDir,
	149	const wxString& defaultFileName,
	150	const wxString& wildCard,
	151	long style, const wxPoint& pos,
	152	const wxSize& sz,
	153	const wxString& name)
	154	: wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
	155	wildCard, style, pos, sz, name, true )
	156	{
	157	if (gtk_check_version(2,4,0))
	158	{
	159	wxGenericFileDialog::Create( parent, message, defaultDir,
	160	defaultFileName, wildCard, style, pos );
	161	return;
	162	}
	163
	164	m_needParent = false;
	165
	166	if (!PreCreation(parent, pos, wxDefaultSize) \|\|
	167	!CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
	168	wxDefaultValidator, wxT("filedialog")))
	169	{
	170	wxFAIL_MSG( wxT("wxFileDialog creation failed") );
	171	return;
	172	}
	173
	174	GtkFileChooserAction gtk_action;
	175	GtkWindow* gtk_parent = NULL;
	176	if (parent)
	177	gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
	178
	179	const gchar* ok_btn_stock;
	180	if ( style & wxFD_SAVE )
	181	{
	182	gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
	183	ok_btn_stock = GTK_STOCK_SAVE;
	184	}
	185	else
	186	{
	187	gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
	188	ok_btn_stock = GTK_STOCK_OPEN;
	189	}
	190
	191	m_widget = gtk_file_chooser_dialog_new(
	192	wxGTK_CONV(m_message),
	193	gtk_parent,
	194	gtk_action,
	195	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	196	ok_btn_stock, GTK_RESPONSE_ACCEPT,
	197	NULL);
	198
	199	gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
	200
	201	if ( style & wxFD_MULTIPLE )
	202	gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
	203
	204	// gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
	205	// the dialog when the user press ESC on the dialog: in that case a second call to
	206	// ShowModal() would result in a bunch of Gtk-CRITICAL errors...
	207	g_signal_connect (G_OBJECT(m_widget),
	208	"delete_event",
	209	G_CALLBACK (gtk_widget_hide_on_delete),
	210	(gpointer)this);
	211
	212	// local-only property could be set to false to allow non-local files to be loaded.
	213	// In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
	214	// and the GtkFileChooserDialog should probably also be created with a backend,
	215	// e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
	216	// Currently local-only is kept as the default - true:
	217	// gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
	218
	219	g_signal_connect (m_widget, "response",
	220	G_CALLBACK (gtk_filedialog_response_callback), this);
	221
	222	SetWildcard(wildCard);
	223
	224	if ( style & wxFD_SAVE )
	225	{
	226	if ( !defaultDir.empty() )
	227	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
	228	wxConvFileName->cWX2MB(defaultDir));
	229
	230	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
	231	wxGTK_CONV(defaultFileName));
	232
	233	#if GTK_CHECK_VERSION(2,7,3)
	234	if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3))
	235	gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), TRUE);
	236	#endif
	237	}
	238	else // wxFD_OPEN
	239	{
	240	if ( !defaultFileName.empty() )
	241	{
	242	wxString dir;
	243	if ( defaultDir.empty() )
	244	dir = ::wxGetCwd();
	245	else
	246	dir = defaultDir;
	247
	248	gtk_file_chooser_set_filename(
	249	GTK_FILE_CHOOSER(m_widget),
	250	wxConvFileName->cWX2MB( wxFileName(dir, defaultFileName).GetFullPath() ) );
	251	}
	252	else if ( !defaultDir.empty() )
	253	{
	254	gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
	255	wxConvFileName->cWX2MB(defaultDir) );
	256	}
	257	}
	258
	259	#if GTK_CHECK_VERSION(2,4,0)
	260	if ( style & wxFD_PREVIEW )
	261	{
	262	GtkWidget *previewImage = gtk_image_new();
	263
	264	gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(m_widget),
	265	previewImage);
	266	g_signal_connect(m_widget, "update-preview",
	267	G_CALLBACK(gtk_filedialog_update_preview_callback),
	268	previewImage);
	269	}
	270	#endif // GTK+ 2.4+
	271	}
	272
	273	void wxFileDialog::OnFakeOk( wxCommandEvent &event )
	274	{
	275	if (!gtk_check_version(2,4,0))
	276	EndDialog(wxID_OK);
	277	else
	278	wxGenericFileDialog::OnListOk( event );
	279	}
	280
	281	int wxFileDialog::ShowModal()
	282	{
	283	if (!gtk_check_version(2,4,0))
	284	return wxDialog::ShowModal();
	285	else
	286	return wxGenericFileDialog::ShowModal();
	287	}
	288
	289	bool wxFileDialog::Show( bool show )
	290	{
	291	if (!gtk_check_version(2,4,0))
	292	return wxDialog::Show( show );
	293	else
	294	return wxGenericFileDialog::Show( show );
	295	}
	296
	297	void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
	298	{
	299	if (!m_wxwindow)
	300	return;
	301	else
	302	wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
	303	}
	304
	305	wxString wxFileDialog::GetPath() const
	306	{
	307	if (!gtk_check_version(2,4,0))
	308	return wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
	309	else
	310	return wxGenericFileDialog::GetPath();
	311	}
	312
	313	void wxFileDialog::GetFilenames(wxArrayString& files) const
	314	{
	315	if (!gtk_check_version(2,4,0))
	316	{
	317	GetPaths(files);
	318	for (size_t n = 0; n < files.GetCount(); ++n )
	319	{
	320	wxFileName file(files[n]);
	321	files[n] = file.GetFullName();
	322	}
	323	}
	324	else
	325	wxGenericFileDialog::GetFilenames( files );
	326	}
	327
	328	void wxFileDialog::GetPaths(wxArrayString& paths) const
	329	{
	330	if (!gtk_check_version(2,4,0))
	331	{
	332	paths.Empty();
	333	if (gtk_file_chooser_get_select_multiple(GTK_FILE_CHOOSER(m_widget)))
	334	{
	335	GSList *gpathsi = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
	336	GSList *gpaths = gpathsi;
	337	while (gpathsi)
	338	{
	339	wxString file(wxConvFileName->cMB2WX((gchar*) gpathsi->data));
	340	paths.Add(file);
	341	g_free(gpathsi->data);
	342	gpathsi = gpathsi->next;
	343	}
	344
	345	g_slist_free(gpaths);
	346	}
	347	else
	348	paths.Add(GetPath());
	349	}
	350	else
	351	wxGenericFileDialog::GetPaths( paths );
	352	}
	353
	354	void wxFileDialog::SetMessage(const wxString& message)
	355	{
	356	if (!gtk_check_version(2,4,0))
	357	{
	358	m_message = message;
	359	SetTitle(message);
	360	}
	361	else
	362	wxGenericFileDialog::SetMessage( message );
	363	}
	364
	365	void wxFileDialog::SetPath(const wxString& path)
	366	{
	367	if (!gtk_check_version(2,4,0))
	368	{
	369	if (path.empty()) return;
	370
	371	gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(path));
	372	}
	373	else
	374	wxGenericFileDialog::SetPath( path );
	375	}
	376
	377	void wxFileDialog::SetDirectory(const wxString& dir)
	378	{
	379	if (!gtk_check_version(2,4,0))
	380	{
	381	if (wxDirExists(dir))
	382	{
	383	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
	384	}
	385	}
	386	else
	387	wxGenericFileDialog::SetDirectory( dir );
	388	}
	389
	390	wxString wxFileDialog::GetDirectory() const
	391	{
	392	if (!gtk_check_version(2,4,0))
	393	return wxConvFileName->cMB2WX(
	394	gtk_file_chooser_get_current_folder( GTK_FILE_CHOOSER(m_widget) ) );
	395	else
	396	return wxGenericFileDialog::GetDirectory();
	397	}
	398
	399	void wxFileDialog::SetFilename(const wxString& name)
	400	{
	401	if (!gtk_check_version(2,4,0))
	402	{
	403	if (HasFlag(wxFD_SAVE))
	404	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
	405	else
	406	SetPath(wxFileName(GetDirectory(), name).GetFullPath());
	407	}
	408	else
	409	wxGenericFileDialog::SetFilename( name );
	410	}
	411
	412	wxString wxFileDialog::GetFilename() const
	413	{
	414	if (!gtk_check_version(2,4,0))
	415	return wxFileName(
	416	wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget))) ).GetFullName();
	417	else
	418	return wxGenericFileDialog::GetFilename();
	419	}
	420
	421	void wxFileDialog::SetWildcard(const wxString& wildCard)
	422	{
	423	if (!gtk_check_version(2,4,0))
	424	{
	425	// parse filters
	426	wxArrayString wildDescriptions, wildFilters;
	427	if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
	428	{
	429	wxFAIL_MSG( wxT("wxFileDialog::SetWildCard - bad wildcard string") );
	430	}
	431	else
	432	{
	433	// Parsing went fine. Set m_wildCard to be returned by wxFileDialogBase::GetWildcard
	434	m_wildCard = wildCard;
	435
	436	GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
	437
	438	// empty current filter list:
	439	GSList* ifilters = gtk_file_chooser_list_filters(chooser);
	440	GSList* filters = ifilters;
	441
	442	while (ifilters)
	443	{
	444	gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
	445	ifilters = ifilters->next;
	446	}
	447	g_slist_free(filters);
	448
	449	// add parsed to GtkChooser
	450	for (size_t n = 0; n < wildFilters.GetCount(); ++n)
	451	{
	452	GtkFileFilter* filter = gtk_file_filter_new();
	453	gtk_file_filter_set_name(filter, wxGTK_CONV(wildDescriptions[n]));
	454
	455	wxStringTokenizer exttok(wildFilters[n], wxT(";"));
	456	while (exttok.HasMoreTokens())
	457	{
	458	wxString token = exttok.GetNextToken();
	459	gtk_file_filter_add_pattern(filter, wxGTK_CONV(token));
	460	}
	461
	462	gtk_file_chooser_add_filter(chooser, filter);
	463	}
	464
	465	// Reset the filter index
	466	SetFilterIndex(0);
	467	}
	468	}
	469	else
	470	wxGenericFileDialog::SetWildcard( wildCard );
	471	}
	472
	473	void wxFileDialog::SetFilterIndex(int filterIndex)
	474	{
	475
	476	if (!gtk_check_version(2,4,0))
	477	{
	478	gpointer filter;
	479	GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
	480	GSList *filters = gtk_file_chooser_list_filters(chooser);
	481
	482	filter = g_slist_nth_data(filters, filterIndex);
	483
	484	if (filter != NULL)
	485	{
	486	gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
	487	}
	488	else
	489	{
	490	wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
	491	}
	492
	493	g_slist_free(filters);
	494	}
	495	else
	496	wxGenericFileDialog::SetFilterIndex( filterIndex );
	497	}
	498
	499	int wxFileDialog::GetFilterIndex() const
	500	{
	501	if (!gtk_check_version(2,4,0))
	502	{
	503	GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
	504	GtkFileFilter *filter = gtk_file_chooser_get_filter(chooser);
	505	GSList *filters = gtk_file_chooser_list_filters(chooser);
	506	gint index = g_slist_index(filters, filter);
	507	g_slist_free(filters);
	508
	509	if (index == -1)
	510	{
	511	wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
	512	return 0;
	513	}
	514	else
	515	return index;
	516	}
	517	else
	518	return wxGenericFileDialog::GetFilterIndex();
	519	}
	520
	521	#endif // wxUSE_FILEDLG && __WXGTK24__