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();
    wxGtkString 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
        wxGtkString folder(g_path_get_dirname(filename));
        chdir(folder);
    }

    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 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
    wxString fname = fn.GetFullName();
    if ( fname.empty() )
    {
        wxString dir = fn.GetPath();
        if ( !dir.empty() )
        {
            gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
                                                dir.fn_str());
        }
    }

    if ( style & wxFD_SAVE )
    {
        if ( !fname.empty() )
        {
            gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
                                              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(GTK_FILE_CHOOSER(m_widget), TRUE);
#endif
    }
    else // wxFD_OPEN
    {
        if ( !fname.empty() )
        {
            gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget),
                                          fn.GetFullPath().fn_str());
        }
    }

#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))
    {
        wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
        return wxConvFileName->cMB2WX(str);
    }

    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))
    {
        wxGtkString str(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(m_widget)));
        return wxConvFileName->cMB2WX(str);
    }

    return wxGenericFileDialog::GetDirectory();
}

void wxFileDialog::SetFilename(const wxString& name)
{
    if (!gtk_check_version(2,4,0))
    {
        if (HasFdFlag(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(GetPath()).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	wxGtkString 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	wxGtkString folder(g_path_get_dirname(filename));
	73	chdir(folder);
	74	}
	75
	76	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
	77	event.SetEventObject(dialog);
	78	dialog->GetEventHandler()->ProcessEvent(event);
	79	}
	80	}
	81
	82	//-----------------------------------------------------------------------------
	83	// "clicked" for Cancel-button
	84	//-----------------------------------------------------------------------------
	85
	86	extern "C"
	87	{
	88
	89	static void gtk_filedialog_cancel_callback(GtkWidget w, wxFileDialog dialog)
	90	{
	91	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
	92	event.SetEventObject(dialog);
	93	dialog->GetEventHandler()->ProcessEvent(event);
	94	}
	95
	96	static void gtk_filedialog_response_callback(GtkWidget *w,
	97	gint response,
	98	wxFileDialog *dialog)
	99	{
	100	wxapp_install_idle_handler();
	101
	102	if (response == GTK_RESPONSE_ACCEPT)
	103	gtk_filedialog_ok_callback(w, dialog);
	104	else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
	105	gtk_filedialog_cancel_callback(w, dialog);
	106	}
	107
	108	static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
	109	gpointer user_data)
	110	{
	111	#if GTK_CHECK_VERSION(2,4,0)
	112	GtkWidget *preview = GTK_WIDGET(user_data);
	113
	114	wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
	115
	116	if ( !filename )
	117	return;
	118
	119	GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL);
	120	gboolean have_preview = pixbuf != NULL;
	121
	122	gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf);
	123	if ( pixbuf )
	124	g_object_unref (pixbuf);
	125
	126	gtk_file_chooser_set_preview_widget_active(chooser, have_preview);
	127	#else
	128	wxUnusedVar(chooser);
	129	wxUnusedVar(user_data);
	130	#endif // GTK+ 2.4+
	131	}
	132
	133	} // extern "C"
	134
	135
	136	//-----------------------------------------------------------------------------
	137	// wxFileDialog
	138	//-----------------------------------------------------------------------------
	139
	140	IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
	141
	142	BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
	143	EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
	144	END_EVENT_TABLE()
	145
	146	wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
	147	const wxString& defaultDir,
	148	const wxString& defaultFileName,
	149	const wxString& wildCard,
	150	long style, const wxPoint& pos,
	151	const wxSize& sz,
	152	const wxString& name)
	153	: wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
	154	wildCard, style, pos, sz, name, true )
	155	{
	156	if (gtk_check_version(2,4,0))
	157	{
	158	wxGenericFileDialog::Create( parent, message, defaultDir,
	159	defaultFileName, wildCard, style, pos );
	160	return;
	161	}
	162
	163	m_needParent = false;
	164
	165	if (!PreCreation(parent, pos, wxDefaultSize) \|\|
	166	!CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
	167	wxDefaultValidator, wxT("filedialog")))
	168	{
	169	wxFAIL_MSG( wxT("wxFileDialog creation failed") );
	170	return;
	171	}
	172
	173	GtkFileChooserAction gtk_action;
	174	GtkWindow* gtk_parent = NULL;
	175	if (parent)
	176	gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
	177
	178	const gchar* ok_btn_stock;
	179	if ( style & wxFD_SAVE )
	180	{
	181	gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
	182	ok_btn_stock = GTK_STOCK_SAVE;
	183	}
	184	else
	185	{
	186	gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
	187	ok_btn_stock = GTK_STOCK_OPEN;
	188	}
	189
	190	m_widget = gtk_file_chooser_dialog_new(
	191	wxGTK_CONV(m_message),
	192	gtk_parent,
	193	gtk_action,
	194	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	195	ok_btn_stock, GTK_RESPONSE_ACCEPT,
	196	NULL);
	197
	198	gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
	199
	200	if ( style & wxFD_MULTIPLE )
	201	gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
	202
	203	// gtk_widget_hide_on_delete is used here to avoid that Gtk automatically
	204	// destroys the dialog when the user press ESC on the dialog: in that case
	205	// a second call to ShowModal() would result in a bunch of Gtk-CRITICAL
	206	// 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
	213	// loaded. In that case get/set_uri(s) should be used instead of
	214	// get/set_filename(s) everywhere and the GtkFileChooserDialog should
	215	// probably also be created with a backend, e.g "gnome-vfs", "default", ...
	216	// (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept
	217	// as the default - true:
	218	// gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
	219
	220	g_signal_connect (m_widget, "response",
	221	G_CALLBACK (gtk_filedialog_response_callback), this);
	222
	223	SetWildcard(wildCard);
	224
	225	// if defaultDir is specified it should contain the directory and
	226	// defaultFileName should contain the default name of the file, however if
	227	// directory is not given, defaultFileName contains both
	228	wxFileName fn;
	229	if ( defaultDir.empty() )
	230	fn.Assign(defaultFileName);
	231	else if ( !defaultFileName.empty() )
	232	fn.Assign(defaultDir, defaultFileName);
	233	else
	234	fn.AssignDir(defaultDir);
	235
	236	// set the initial file name and/or directory
	237	wxString fname = fn.GetFullName();
	238	if ( fname.empty() )
	239	{
	240	wxString dir = fn.GetPath();
	241	if ( !dir.empty() )
	242	{
	243	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
	244	dir.fn_str());
	245	}
	246	}
	247
	248	if ( style & wxFD_SAVE )
	249	{
	250	if ( !fname.empty() )
	251	{
	252	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
	253	fname.fn_str());
	254	}
	255
	256	#if GTK_CHECK_VERSION(2,7,3)
	257	if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3))
	258	gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), TRUE);
	259	#endif
	260	}
	261	else // wxFD_OPEN
	262	{
	263	if ( !fname.empty() )
	264	{
	265	gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget),
	266	fn.GetFullPath().fn_str());
	267	}
	268	}
	269
	270	#if GTK_CHECK_VERSION(2,4,0)
	271	if ( style & wxFD_PREVIEW )
	272	{
	273	GtkWidget *previewImage = gtk_image_new();
	274
	275	gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(m_widget),
	276	previewImage);
	277	g_signal_connect(m_widget, "update-preview",
	278	G_CALLBACK(gtk_filedialog_update_preview_callback),
	279	previewImage);
	280	}
	281	#endif // GTK+ 2.4+
	282	}
	283
	284	void wxFileDialog::OnFakeOk( wxCommandEvent &event )
	285	{
	286	if (!gtk_check_version(2,4,0))
	287	EndDialog(wxID_OK);
	288	else
	289	wxGenericFileDialog::OnListOk( event );
	290	}
	291
	292	int wxFileDialog::ShowModal()
	293	{
	294	if (!gtk_check_version(2,4,0))
	295	return wxDialog::ShowModal();
	296	else
	297	return wxGenericFileDialog::ShowModal();
	298	}
	299
	300	bool wxFileDialog::Show( bool show )
	301	{
	302	if (!gtk_check_version(2,4,0))
	303	return wxDialog::Show( show );
	304	else
	305	return wxGenericFileDialog::Show( show );
	306	}
	307
	308	void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
	309	{
	310	if (!m_wxwindow)
	311	return;
	312	else
	313	wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
	314	}
	315
	316	wxString wxFileDialog::GetPath() const
	317	{
	318	if (!gtk_check_version(2,4,0))
	319	{
	320	wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
	321	return wxConvFileName->cMB2WX(str);
	322	}
	323
	324	return wxGenericFileDialog::GetPath();
	325	}
	326
	327	void wxFileDialog::GetFilenames(wxArrayString& files) const
	328	{
	329	if (!gtk_check_version(2,4,0))
	330	{
	331	GetPaths(files);
	332	for (size_t n = 0; n < files.GetCount(); ++n )
	333	{
	334	wxFileName file(files[n]);
	335	files[n] = file.GetFullName();
	336	}
	337	}
	338	else
	339	wxGenericFileDialog::GetFilenames( files );
	340	}
	341
	342	void wxFileDialog::GetPaths(wxArrayString& paths) const
	343	{
	344	if (!gtk_check_version(2,4,0))
	345	{
	346	paths.Empty();
	347	if (gtk_file_chooser_get_select_multiple(GTK_FILE_CHOOSER(m_widget)))
	348	{
	349	GSList *gpathsi = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
	350	GSList *gpaths = gpathsi;
	351	while (gpathsi)
	352	{
	353	wxString file(wxConvFileName->cMB2WX((gchar*) gpathsi->data));
	354	paths.Add(file);
	355	g_free(gpathsi->data);
	356	gpathsi = gpathsi->next;
	357	}
	358
	359	g_slist_free(gpaths);
	360	}
	361	else
	362	paths.Add(GetPath());
	363	}
	364	else
	365	wxGenericFileDialog::GetPaths( paths );
	366	}
	367
	368	void wxFileDialog::SetMessage(const wxString& message)
	369	{
	370	if (!gtk_check_version(2,4,0))
	371	{
	372	m_message = message;
	373	SetTitle(message);
	374	}
	375	else
	376	wxGenericFileDialog::SetMessage( message );
	377	}
	378
	379	void wxFileDialog::SetPath(const wxString& path)
	380	{
	381	if (!gtk_check_version(2,4,0))
	382	{
	383	if (path.empty()) return;
	384
	385	gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(path));
	386	}
	387	else
	388	wxGenericFileDialog::SetPath( path );
	389	}
	390
	391	void wxFileDialog::SetDirectory(const wxString& dir)
	392	{
	393	if (!gtk_check_version(2,4,0))
	394	{
	395	if (wxDirExists(dir))
	396	{
	397	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
	398	}
	399	}
	400	else
	401	wxGenericFileDialog::SetDirectory( dir );
	402	}
	403
	404	wxString wxFileDialog::GetDirectory() const
	405	{
	406	if (!gtk_check_version(2,4,0))
	407	{
	408	wxGtkString str(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(m_widget)));
	409	return wxConvFileName->cMB2WX(str);
	410	}
	411
	412	return wxGenericFileDialog::GetDirectory();
	413	}
	414
	415	void wxFileDialog::SetFilename(const wxString& name)
	416	{
	417	if (!gtk_check_version(2,4,0))
	418	{
	419	if (HasFdFlag(wxFD_SAVE))
	420	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
	421	else
	422	SetPath(wxFileName(GetDirectory(), name).GetFullPath());
	423	}
	424	else
	425	wxGenericFileDialog::SetFilename( name );
	426	}
	427
	428	wxString wxFileDialog::GetFilename() const
	429	{
	430	if (!gtk_check_version(2,4,0))
	431	return wxFileName(GetPath()).GetFullName();
	432	else
	433	return wxGenericFileDialog::GetFilename();
	434	}
	435
	436	void wxFileDialog::SetWildcard(const wxString& wildCard)
	437	{
	438	if (!gtk_check_version(2,4,0))
	439	{
	440	// parse filters
	441	wxArrayString wildDescriptions, wildFilters;
	442	if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
	443	{
	444	wxFAIL_MSG( wxT("wxFileDialog::SetWildCard - bad wildcard string") );
	445	}
	446	else
	447	{
	448	// Parsing went fine. Set m_wildCard to be returned by wxFileDialogBase::GetWildcard
	449	m_wildCard = wildCard;
	450
	451	GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
	452
	453	// empty current filter list:
	454	GSList* ifilters = gtk_file_chooser_list_filters(chooser);
	455	GSList* filters = ifilters;
	456
	457	while (ifilters)
	458	{
	459	gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
	460	ifilters = ifilters->next;
	461	}
	462	g_slist_free(filters);
	463
	464	// add parsed to GtkChooser
	465	for (size_t n = 0; n < wildFilters.GetCount(); ++n)
	466	{
	467	GtkFileFilter* filter = gtk_file_filter_new();
	468	gtk_file_filter_set_name(filter, wxGTK_CONV(wildDescriptions[n]));
	469
	470	wxStringTokenizer exttok(wildFilters[n], wxT(";"));
	471	while (exttok.HasMoreTokens())
	472	{
	473	wxString token = exttok.GetNextToken();
	474	gtk_file_filter_add_pattern(filter, wxGTK_CONV(token));
	475	}
	476
	477	gtk_file_chooser_add_filter(chooser, filter);
	478	}
	479
	480	// Reset the filter index
	481	SetFilterIndex(0);
	482	}
	483	}
	484	else
	485	wxGenericFileDialog::SetWildcard( wildCard );
	486	}
	487
	488	void wxFileDialog::SetFilterIndex(int filterIndex)
	489	{
	490
	491	if (!gtk_check_version(2,4,0))
	492	{
	493	gpointer filter;
	494	GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
	495	GSList *filters = gtk_file_chooser_list_filters(chooser);
	496
	497	filter = g_slist_nth_data(filters, filterIndex);
	498
	499	if (filter != NULL)
	500	{
	501	gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
	502	}
	503	else
	504	{
	505	wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
	506	}
	507
	508	g_slist_free(filters);
	509	}
	510	else
	511	wxGenericFileDialog::SetFilterIndex( filterIndex );
	512	}
	513
	514	int wxFileDialog::GetFilterIndex() const
	515	{
	516	if (!gtk_check_version(2,4,0))
	517	{
	518	GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
	519	GtkFileFilter *filter = gtk_file_chooser_get_filter(chooser);
	520	GSList *filters = gtk_file_chooser_list_filters(chooser);
	521	gint index = g_slist_index(filters, filter);
	522	g_slist_free(filters);
	523
	524	if (index == -1)
	525	{
	526	wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
	527	return 0;
	528	}
	529	else
	530	return index;
	531	}
	532	else
	533	return wxGenericFileDialog::GetFilterIndex();
	534	}
	535
	536	#endif // wxUSE_FILEDLG && __WXGTK24__