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

//-----------------------------------------------------------------------------
// "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(filename, *wxConvFileName));

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

    if (style & wxFD_FILE_MUST_EXIST)
    {
        if ( !g_file_test(filename, G_FILE_TEST_EXISTS) )
        {
            wxMessageDialog dlg( dialog, _("Please choose an existing file."),
                                 _("Error"), wxOK| wxICON_ERROR);
            dlg.ShowModal();
            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)
{
    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;
    }

    parent = GetParentForModalDialog(parent);

    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
    fn.MakeAbsolute(); // GTK+ needs absolute path
    const wxString dir = fn.GetPath();
    if ( !dir.empty() )
    {
        gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
                                            dir.fn_str());
    }

    const wxString fname = fn.GetFullName();
    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 wxString(str, *wxConvFileName);
    }

    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((gchar*) gpathsi->data, *wxConvFileName);
                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), path.fn_str());
    }
    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), dir.fn_str());
        }
    }
    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 wxString(str, *wxConvFileName);
    }

    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	// "clicked" for OK-button
	33	//-----------------------------------------------------------------------------
	34
	35	extern "C" {
	36	static void gtk_filedialog_ok_callback(GtkWidget widget, wxFileDialog dialog)
	37	{
	38	int style = dialog->GetWindowStyle();
	39	wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)));
	40
	41	// gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
	42	#if GTK_CHECK_VERSION(2,7,3)
	43	if(gtk_check_version(2,7,3) != NULL)
	44	#endif
	45	if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT))
	46	{
	47	if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
	48	{
	49	wxString msg;
	50
	51	msg.Printf(
	52	_("File '%s' already exists, do you really want to overwrite it?"),
	53	wxString(filename, *wxConvFileName));
	54
	55	wxMessageDialog dlg(dialog, msg, _("Confirm"),
	56	wxYES_NO \| wxICON_QUESTION);
	57	if (dlg.ShowModal() != wxID_YES)
	58	return;
	59	}
	60	}
	61
	62	if (style & wxFD_FILE_MUST_EXIST)
	63	{
	64	if ( !g_file_test(filename, G_FILE_TEST_EXISTS) )
	65	{
	66	wxMessageDialog dlg( dialog, _("Please choose an existing file."),
	67	_("Error"), wxOK\| wxICON_ERROR);
	68	dlg.ShowModal();
	69	return;
	70	}
	71	}
	72
	73	// change to the directory where the user went if asked
	74	if (style & wxFD_CHANGE_DIR)
	75	{
	76	// Use chdir to not care about filename encodings
	77	wxGtkString folder(g_path_get_dirname(filename));
	78	chdir(folder);
	79	}
	80
	81	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
	82	event.SetEventObject(dialog);
	83	dialog->GetEventHandler()->ProcessEvent(event);
	84	}
	85	}
	86
	87	//-----------------------------------------------------------------------------
	88	// "clicked" for Cancel-button
	89	//-----------------------------------------------------------------------------
	90
	91	extern "C"
	92	{
	93
	94	static void gtk_filedialog_cancel_callback(GtkWidget w, wxFileDialog dialog)
	95	{
	96	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
	97	event.SetEventObject(dialog);
	98	dialog->GetEventHandler()->ProcessEvent(event);
	99	}
	100
	101	static void gtk_filedialog_response_callback(GtkWidget *w,
	102	gint response,
	103	wxFileDialog *dialog)
	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
	117	wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
	118
	119	if ( !filename )
	120	return;
	121
	122	GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL);
	123	gboolean have_preview = pixbuf != NULL;
	124
	125	gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf);
	126	if ( pixbuf )
	127	g_object_unref (pixbuf);
	128
	129	gtk_file_chooser_set_preview_widget_active(chooser, have_preview);
	130	#else
	131	wxUnusedVar(chooser);
	132	wxUnusedVar(user_data);
	133	#endif // GTK+ 2.4+
	134	}
	135
	136	} // extern "C"
	137
	138
	139	//-----------------------------------------------------------------------------
	140	// wxFileDialog
	141	//-----------------------------------------------------------------------------
	142
	143	IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
	144
	145	BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
	146	EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
	147	END_EVENT_TABLE()
	148
	149	wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
	150	const wxString& defaultDir,
	151	const wxString& defaultFileName,
	152	const wxString& wildCard,
	153	long style, const wxPoint& pos,
	154	const wxSize& sz,
	155	const wxString& name)
	156	: wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
	157	wildCard, style, pos, sz, name, true )
	158	{
	159	if (gtk_check_version(2,4,0))
	160	{
	161	wxGenericFileDialog::Create( parent, message, defaultDir,
	162	defaultFileName, wildCard, style, pos );
	163	return;
	164	}
	165
	166	parent = GetParentForModalDialog(parent);
	167
	168	if (!PreCreation(parent, pos, wxDefaultSize) \|\|
	169	!CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
	170	wxDefaultValidator, wxT("filedialog")))
	171	{
	172	wxFAIL_MSG( wxT("wxFileDialog creation failed") );
	173	return;
	174	}
	175
	176	GtkFileChooserAction gtk_action;
	177	GtkWindow* gtk_parent = NULL;
	178	if (parent)
	179	gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
	180
	181	const gchar* ok_btn_stock;
	182	if ( style & wxFD_SAVE )
	183	{
	184	gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
	185	ok_btn_stock = GTK_STOCK_SAVE;
	186	}
	187	else
	188	{
	189	gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
	190	ok_btn_stock = GTK_STOCK_OPEN;
	191	}
	192
	193	m_widget = gtk_file_chooser_dialog_new(
	194	wxGTK_CONV(m_message),
	195	gtk_parent,
	196	gtk_action,
	197	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	198	ok_btn_stock, GTK_RESPONSE_ACCEPT,
	199	NULL);
	200
	201	gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
	202
	203	if ( style & wxFD_MULTIPLE )
	204	gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
	205
	206	// gtk_widget_hide_on_delete is used here to avoid that Gtk automatically
	207	// destroys the dialog when the user press ESC on the dialog: in that case
	208	// a second call to ShowModal() would result in a bunch of Gtk-CRITICAL
	209	// errors...
	210	g_signal_connect (G_OBJECT(m_widget),
	211	"delete_event",
	212	G_CALLBACK (gtk_widget_hide_on_delete),
	213	(gpointer)this);
	214
	215	// local-only property could be set to false to allow non-local files to be
	216	// loaded. In that case get/set_uri(s) should be used instead of
	217	// get/set_filename(s) everywhere and the GtkFileChooserDialog should
	218	// probably also be created with a backend, e.g "gnome-vfs", "default", ...
	219	// (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept
	220	// as the default - true:
	221	// gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
	222
	223	g_signal_connect (m_widget, "response",
	224	G_CALLBACK (gtk_filedialog_response_callback), this);
	225
	226	SetWildcard(wildCard);
	227
	228	// if defaultDir is specified it should contain the directory and
	229	// defaultFileName should contain the default name of the file, however if
	230	// directory is not given, defaultFileName contains both
	231	wxFileName fn;
	232	if ( defaultDir.empty() )
	233	fn.Assign(defaultFileName);
	234	else if ( !defaultFileName.empty() )
	235	fn.Assign(defaultDir, defaultFileName);
	236	else
	237	fn.AssignDir(defaultDir);
	238
	239	// set the initial file name and/or directory
	240	fn.MakeAbsolute(); // GTK+ needs absolute path
	241	const wxString dir = fn.GetPath();
	242	if ( !dir.empty() )
	243	{
	244	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
	245	dir.fn_str());
	246	}
	247
	248	const wxString fname = fn.GetFullName();
	249	if ( style & wxFD_SAVE )
	250	{
	251	if ( !fname.empty() )
	252	{
	253	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
	254	fname.fn_str());
	255	}
	256
	257	#if GTK_CHECK_VERSION(2,7,3)
	258	if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3))
	259	gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), TRUE);
	260	#endif
	261	}
	262	else // wxFD_OPEN
	263	{
	264	if ( !fname.empty() )
	265	{
	266	gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget),
	267	fn.GetFullPath().fn_str());
	268	}
	269	}
	270
	271	#if GTK_CHECK_VERSION(2,4,0)
	272	if ( style & wxFD_PREVIEW )
	273	{
	274	GtkWidget *previewImage = gtk_image_new();
	275
	276	gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(m_widget),
	277	previewImage);
	278	g_signal_connect(m_widget, "update-preview",
	279	G_CALLBACK(gtk_filedialog_update_preview_callback),
	280	previewImage);
	281	}
	282	#endif // GTK+ 2.4+
	283	}
	284
	285	void wxFileDialog::OnFakeOk( wxCommandEvent &event )
	286	{
	287	if (!gtk_check_version(2,4,0))
	288	EndDialog(wxID_OK);
	289	else
	290	wxGenericFileDialog::OnListOk( event );
	291	}
	292
	293	int wxFileDialog::ShowModal()
	294	{
	295	if (!gtk_check_version(2,4,0))
	296	return wxDialog::ShowModal();
	297	else
	298	return wxGenericFileDialog::ShowModal();
	299	}
	300
	301	bool wxFileDialog::Show( bool show )
	302	{
	303	if (!gtk_check_version(2,4,0))
	304	return wxDialog::Show( show );
	305	else
	306	return wxGenericFileDialog::Show( show );
	307	}
	308
	309	void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
	310	{
	311	if (!m_wxwindow)
	312	return;
	313	else
	314	wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
	315	}
	316
	317	wxString wxFileDialog::GetPath() const
	318	{
	319	if (!gtk_check_version(2,4,0))
	320	{
	321	wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
	322	return wxString(str, *wxConvFileName);
	323	}
	324
	325	return wxGenericFileDialog::GetPath();
	326	}
	327
	328	void wxFileDialog::GetFilenames(wxArrayString& files) const
	329	{
	330	if (!gtk_check_version(2,4,0))
	331	{
	332	GetPaths(files);
	333	for (size_t n = 0; n < files.GetCount(); ++n )
	334	{
	335	wxFileName file(files[n]);
	336	files[n] = file.GetFullName();
	337	}
	338	}
	339	else
	340	wxGenericFileDialog::GetFilenames( files );
	341	}
	342
	343	void wxFileDialog::GetPaths(wxArrayString& paths) const
	344	{
	345	if (!gtk_check_version(2,4,0))
	346	{
	347	paths.Empty();
	348	if (gtk_file_chooser_get_select_multiple(GTK_FILE_CHOOSER(m_widget)))
	349	{
	350	GSList *gpathsi = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
	351	GSList *gpaths = gpathsi;
	352	while (gpathsi)
	353	{
	354	wxString file((gchar) gpathsi->data, wxConvFileName);
	355	paths.Add(file);
	356	g_free(gpathsi->data);
	357	gpathsi = gpathsi->next;
	358	}
	359
	360	g_slist_free(gpaths);
	361	}
	362	else
	363	paths.Add(GetPath());
	364	}
	365	else
	366	wxGenericFileDialog::GetPaths( paths );
	367	}
	368
	369	void wxFileDialog::SetMessage(const wxString& message)
	370	{
	371	if (!gtk_check_version(2,4,0))
	372	{
	373	m_message = message;
	374	SetTitle(message);
	375	}
	376	else
	377	wxGenericFileDialog::SetMessage( message );
	378	}
	379
	380	void wxFileDialog::SetPath(const wxString& path)
	381	{
	382	if (!gtk_check_version(2,4,0))
	383	{
	384	if (path.empty()) return;
	385
	386	gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), path.fn_str());
	387	}
	388	else
	389	wxGenericFileDialog::SetPath( path );
	390	}
	391
	392	void wxFileDialog::SetDirectory(const wxString& dir)
	393	{
	394	if (!gtk_check_version(2,4,0))
	395	{
	396	if (wxDirExists(dir))
	397	{
	398	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), dir.fn_str());
	399	}
	400	}
	401	else
	402	wxGenericFileDialog::SetDirectory( dir );
	403	}
	404
	405	wxString wxFileDialog::GetDirectory() const
	406	{
	407	if (!gtk_check_version(2,4,0))
	408	{
	409	wxGtkString str(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(m_widget)));
	410	return wxString(str, *wxConvFileName);
	411	}
	412
	413	return wxGenericFileDialog::GetDirectory();
	414	}
	415
	416	void wxFileDialog::SetFilename(const wxString& name)
	417	{
	418	if (!gtk_check_version(2,4,0))
	419	{
	420	if (HasFdFlag(wxFD_SAVE))
	421	gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
	422	else
	423	SetPath(wxFileName(GetDirectory(), name).GetFullPath());
	424	}
	425	else
	426	wxGenericFileDialog::SetFilename( name );
	427	}
	428
	429	wxString wxFileDialog::GetFilename() const
	430	{
	431	if (!gtk_check_version(2,4,0))
	432	return wxFileName(GetPath()).GetFullName();
	433	else
	434	return wxGenericFileDialog::GetFilename();
	435	}
	436
	437	void wxFileDialog::SetWildcard(const wxString& wildCard)
	438	{
	439	if (!gtk_check_version(2,4,0))
	440	{
	441	// parse filters
	442	wxArrayString wildDescriptions, wildFilters;
	443	if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
	444	{
	445	wxFAIL_MSG( wxT("wxFileDialog::SetWildCard - bad wildcard string") );
	446	}
	447	else
	448	{
	449	// Parsing went fine. Set m_wildCard to be returned by wxFileDialogBase::GetWildcard
	450	m_wildCard = wildCard;
	451
	452	GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
	453
	454	// empty current filter list:
	455	GSList* ifilters = gtk_file_chooser_list_filters(chooser);
	456	GSList* filters = ifilters;
	457
	458	while (ifilters)
	459	{
	460	gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
	461	ifilters = ifilters->next;
	462	}
	463	g_slist_free(filters);
	464
	465	// add parsed to GtkChooser
	466	for (size_t n = 0; n < wildFilters.GetCount(); ++n)
	467	{
	468	GtkFileFilter* filter = gtk_file_filter_new();
	469	gtk_file_filter_set_name(filter, wxGTK_CONV(wildDescriptions[n]));
	470
	471	wxStringTokenizer exttok(wildFilters[n], wxT(";"));
	472	while (exttok.HasMoreTokens())
	473	{
	474	wxString token = exttok.GetNextToken();
	475	gtk_file_filter_add_pattern(filter, wxGTK_CONV(token));
	476	}
	477
	478	gtk_file_chooser_add_filter(chooser, filter);
	479	}
	480
	481	// Reset the filter index
	482	SetFilterIndex(0);
	483	}
	484	}
	485	else
	486	wxGenericFileDialog::SetWildcard( wildCard );
	487	}
	488
	489	void wxFileDialog::SetFilterIndex(int filterIndex)
	490	{
	491
	492	if (!gtk_check_version(2,4,0))
	493	{
	494	gpointer filter;
	495	GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
	496	GSList *filters = gtk_file_chooser_list_filters(chooser);
	497
	498	filter = g_slist_nth_data(filters, filterIndex);
	499
	500	if (filter != NULL)
	501	{
	502	gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
	503	}
	504	else
	505	{
	506	wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
	507	}
	508
	509	g_slist_free(filters);
	510	}
	511	else
	512	wxGenericFileDialog::SetFilterIndex( filterIndex );
	513	}
	514
	515	int wxFileDialog::GetFilterIndex() const
	516	{
	517	if (!gtk_check_version(2,4,0))
	518	{
	519	GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
	520	GtkFileFilter *filter = gtk_file_chooser_get_filter(chooser);
	521	GSList *filters = gtk_file_chooser_list_filters(chooser);
	522	gint index = g_slist_index(filters, filter);
	523	g_slist_free(filters);
	524
	525	if (index == -1)
	526	{
	527	wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
	528	return 0;
	529	}
	530	else
	531	return index;
	532	}
	533	else
	534	return wxGenericFileDialog::GetFilterIndex();
	535	}
	536
	537	#endif // wxUSE_FILEDLG && __WXGTK24__