This is intended mainly for GNU/Linux distros who will remove GTK2 support in the near future.
491 lines
15 KiB
C
491 lines
15 KiB
C
/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
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/* GTK - The GIMP Toolkit
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* gtkfilechooserdialog.c: File selector dialog
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* Copyright (C) 2003, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gtkfilechooserprivate.h"
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#include "gtkfilechooserdialog.h"
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#include "gtkfilechooserwidget.h"
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#include "gtkfilechooserutils.h"
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#include "gtkfilechooserembed.h"
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#include "gtkfilechoosersettings.h"
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#include "gtkfilesystem.h"
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#include "gtktypebuiltins.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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#include <stdarg.h>
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#define GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE(o) (GTK_FILE_CHOOSER_DIALOG (o)->priv)
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static void gtk_file_chooser_dialog_finalize (GObject *object);
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static GObject* gtk_file_chooser_dialog_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params);
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static void gtk_file_chooser_dialog_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_file_chooser_dialog_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_file_chooser_dialog_map (GtkWidget *widget);
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static void response_cb (GtkDialog *dialog,
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gint response_id);
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G_DEFINE_TYPE_WITH_CODE (GtkFileChooserDialog, gtk_file_chooser_dialog, GTK_TYPE_DIALOG,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_FILE_CHOOSER,
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_gtk_file_chooser_delegate_iface_init))
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static void
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gtk_file_chooser_dialog_class_init (GtkFileChooserDialogClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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gobject_class->constructor = gtk_file_chooser_dialog_constructor;
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gobject_class->set_property = gtk_file_chooser_dialog_set_property;
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gobject_class->get_property = gtk_file_chooser_dialog_get_property;
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gobject_class->finalize = gtk_file_chooser_dialog_finalize;
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widget_class->map = gtk_file_chooser_dialog_map;
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_gtk_file_chooser_install_properties (gobject_class);
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g_type_class_add_private (class, sizeof (GtkFileChooserDialogPrivate));
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}
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static void
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gtk_file_chooser_dialog_init (GtkFileChooserDialog *dialog)
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{
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GtkFileChooserDialogPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (dialog,
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GTK_TYPE_FILE_CHOOSER_DIALOG,
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GtkFileChooserDialogPrivate);
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GtkDialog *fc_dialog = GTK_DIALOG (dialog);
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dialog->priv = priv;
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dialog->priv->response_requested = FALSE;
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gtk_dialog_set_has_separator (fc_dialog, FALSE);
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gtk_container_set_border_width (GTK_CONTAINER (fc_dialog), 5);
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gtk_box_set_spacing (GTK_BOX (fc_dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
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gtk_container_set_border_width (GTK_CONTAINER (fc_dialog->action_area), 5);
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gtk_window_set_role (GTK_WINDOW (dialog), "GtkFileChooserDialog");
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/* We do a signal connection here rather than overriding the method in
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* class_init because GtkDialog::response is a RUN_LAST signal. We want *our*
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* handler to be run *first*, regardless of whether the user installs response
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* handlers of his own.
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*/
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g_signal_connect (dialog, "response",
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G_CALLBACK (response_cb), NULL);
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}
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static void
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gtk_file_chooser_dialog_finalize (GObject *object)
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{
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GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (object);
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g_free (dialog->priv->file_system);
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G_OBJECT_CLASS (gtk_file_chooser_dialog_parent_class)->finalize (object);
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}
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static gboolean
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is_stock_accept_response_id (int response_id)
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{
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return (response_id == GTK_RESPONSE_ACCEPT
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|| response_id == GTK_RESPONSE_OK
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|| response_id == GTK_RESPONSE_YES
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|| response_id == GTK_RESPONSE_APPLY);
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}
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/* Callback used when the user activates a file in the file chooser widget */
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static void
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file_chooser_widget_file_activated (GtkFileChooser *chooser,
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GtkFileChooserDialog *dialog)
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{
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GList *children, *l;
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if (gtk_window_activate_default (GTK_WINDOW (dialog)))
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return;
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/* There probably isn't a default widget, so make things easier for the
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* programmer by looking for a reasonable button on our own.
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*/
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children = gtk_container_get_children (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area));
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for (l = children; l; l = l->next)
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{
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GtkWidget *widget;
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int response_id;
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widget = GTK_WIDGET (l->data);
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response_id = gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog), widget);
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if (is_stock_accept_response_id (response_id))
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{
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gtk_widget_activate (widget); /* Should we gtk_dialog_response (dialog, response_id) instead? */
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break;
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}
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}
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g_list_free (children);
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}
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#if 0
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/* FIXME: to see why this function is ifdef-ed out, see the comment below in
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* file_chooser_widget_default_size_changed().
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*/
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static void
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load_position (int *out_xpos, int *out_ypos)
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{
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GtkFileChooserSettings *settings;
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int x, y, width, height;
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settings = _gtk_file_chooser_settings_new ();
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_gtk_file_chooser_settings_get_geometry (settings, &x, &y, &width, &height);
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g_object_unref (settings);
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*out_xpos = x;
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*out_ypos = y;
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}
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#endif
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static void
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file_chooser_widget_default_size_changed (GtkWidget *widget,
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GtkFileChooserDialog *dialog)
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{
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GtkFileChooserDialogPrivate *priv;
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gint default_width, default_height;
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GtkRequisition req, widget_req;
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priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
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/* Unset any previously set size */
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gtk_widget_set_size_request (GTK_WIDGET (dialog), -1, -1);
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if (gtk_widget_is_drawable (widget))
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{
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/* Force a size request of everything before we start. This will make sure
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* that widget->requisition is meaningful. */
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gtk_widget_size_request (GTK_WIDGET (dialog), &req);
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gtk_widget_size_request (widget, &widget_req);
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}
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_gtk_file_chooser_embed_get_default_size (GTK_FILE_CHOOSER_EMBED (priv->widget),
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&default_width, &default_height);
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gtk_window_resize (GTK_WINDOW (dialog), default_width, default_height);
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if (!gtk_widget_get_mapped (GTK_WIDGET (dialog)))
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{
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#if 0
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/* FIXME: the code to restore the position does not work yet. It is not
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* clear whether it is actually desirable --- if enabled, applications
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* would not be able to say "center the file chooser on top of my toplevel
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* window". So, we don't use this code at all.
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*/
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load_position (&xpos, &ypos);
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if (xpos >= 0 && ypos >= 0)
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{
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gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_NONE);
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gtk_window_move (GTK_WINDOW (dialog), xpos, ypos);
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}
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#endif
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}
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}
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static void
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file_chooser_widget_response_requested (GtkWidget *widget,
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GtkFileChooserDialog *dialog)
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{
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GList *children, *l;
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dialog->priv->response_requested = TRUE;
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if (gtk_window_activate_default (GTK_WINDOW (dialog)))
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return;
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/* There probably isn't a default widget, so make things easier for the
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* programmer by looking for a reasonable button on our own.
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*/
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children = gtk_container_get_children (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area));
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for (l = children; l; l = l->next)
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{
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GtkWidget *widget;
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int response_id;
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widget = GTK_WIDGET (l->data);
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response_id = gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog), widget);
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if (is_stock_accept_response_id (response_id))
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{
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gtk_widget_activate (widget); /* Should we gtk_dialog_response (dialog, response_id) instead? */
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break;
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}
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}
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if (l == NULL)
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dialog->priv->response_requested = FALSE;
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g_list_free (children);
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}
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static GObject*
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gtk_file_chooser_dialog_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params)
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{
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GtkFileChooserDialogPrivate *priv;
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GObject *object;
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object = G_OBJECT_CLASS (gtk_file_chooser_dialog_parent_class)->constructor (type,
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n_construct_properties,
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construct_params);
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priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
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gtk_widget_push_composite_child ();
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if (priv->file_system)
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priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
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"file-system-backend", priv->file_system,
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NULL);
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else
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priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET, NULL);
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g_signal_connect (priv->widget, "file-activated",
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G_CALLBACK (file_chooser_widget_file_activated), object);
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g_signal_connect (priv->widget, "default-size-changed",
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G_CALLBACK (file_chooser_widget_default_size_changed), object);
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g_signal_connect (priv->widget, "response-requested",
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G_CALLBACK (file_chooser_widget_response_requested), object);
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gtk_container_set_border_width (GTK_CONTAINER (priv->widget), 5);
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG (object)->vbox), priv->widget, TRUE, TRUE, 0);
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gtk_widget_show (priv->widget);
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_gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
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GTK_FILE_CHOOSER (priv->widget));
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gtk_widget_pop_composite_child ();
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return object;
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}
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static void
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gtk_file_chooser_dialog_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
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switch (prop_id)
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{
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case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
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g_free (priv->file_system);
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priv->file_system = g_value_dup_string (value);
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break;
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default:
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g_object_set_property (G_OBJECT (priv->widget), pspec->name, value);
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break;
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}
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}
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static void
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gtk_file_chooser_dialog_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
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g_object_get_property (G_OBJECT (priv->widget), pspec->name, value);
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}
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static void
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foreach_ensure_default_response_cb (GtkWidget *widget,
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gpointer data)
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{
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GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (data);
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int response_id;
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response_id = gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog), widget);
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if (is_stock_accept_response_id (response_id))
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gtk_dialog_set_default_response (GTK_DIALOG (dialog), response_id);
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}
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static void
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ensure_default_response (GtkFileChooserDialog *dialog)
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{
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gtk_container_foreach (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area),
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foreach_ensure_default_response_cb,
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dialog);
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}
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/* GtkWidget::map handler */
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static void
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gtk_file_chooser_dialog_map (GtkWidget *widget)
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{
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GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (widget);
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GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
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ensure_default_response (dialog);
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_gtk_file_chooser_embed_initial_focus (GTK_FILE_CHOOSER_EMBED (priv->widget));
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GTK_WIDGET_CLASS (gtk_file_chooser_dialog_parent_class)->map (widget);
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}
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/* GtkDialog::response handler */
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static void
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response_cb (GtkDialog *dialog,
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gint response_id)
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{
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GtkFileChooserDialogPrivate *priv;
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priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
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/* Act only on response IDs we recognize */
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if (is_stock_accept_response_id (response_id)
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&& !priv->response_requested
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&& !_gtk_file_chooser_embed_should_respond (GTK_FILE_CHOOSER_EMBED (priv->widget)))
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{
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g_signal_stop_emission_by_name (dialog, "response");
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}
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priv->response_requested = FALSE;
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}
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static GtkWidget *
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gtk_file_chooser_dialog_new_valist (const gchar *title,
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GtkWindow *parent,
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GtkFileChooserAction action,
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const gchar *backend,
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const gchar *first_button_text,
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va_list varargs)
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{
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GtkWidget *result;
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const char *button_text = first_button_text;
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gint response_id;
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result = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
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"title", title,
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"action", action,
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NULL);
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if (parent)
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gtk_window_set_transient_for (GTK_WINDOW (result), parent);
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while (button_text)
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{
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response_id = va_arg (varargs, gint);
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gtk_dialog_add_button (GTK_DIALOG (result), button_text, response_id);
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button_text = va_arg (varargs, const gchar *);
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}
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return result;
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}
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/**
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* gtk_file_chooser_dialog_new:
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* @title: (allow-none): Title of the dialog, or %NULL
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* @parent: (allow-none): Transient parent of the dialog, or %NULL
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* @action: Open or save mode for the dialog
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* @first_button_text: (allow-none): stock ID or text to go in the first button, or %NULL
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* @Varargs: response ID for the first button, then additional (button, id) pairs, ending with %NULL
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*
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* Creates a new #GtkFileChooserDialog. This function is analogous to
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* gtk_dialog_new_with_buttons().
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*
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* Return value: a new #GtkFileChooserDialog
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*
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* Since: 2.4
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**/
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GtkWidget *
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gtk_file_chooser_dialog_new (const gchar *title,
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GtkWindow *parent,
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GtkFileChooserAction action,
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const gchar *first_button_text,
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...)
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{
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GtkWidget *result;
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va_list varargs;
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va_start (varargs, first_button_text);
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result = gtk_file_chooser_dialog_new_valist (title, parent, action,
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NULL, first_button_text,
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varargs);
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va_end (varargs);
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return result;
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}
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/**
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* gtk_file_chooser_dialog_new_with_backend:
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* @title: (allow-none): Title of the dialog, or %NULL
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* @parent: (allow-none): Transient parent of the dialog, or %NULL
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* @action: Open or save mode for the dialog
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* @backend: The name of the specific filesystem backend to use.
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* @first_button_text: (allow-none): stock ID or text to go in the first button, or %NULL
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* @Varargs: response ID for the first button, then additional (button, id) pairs, ending with %NULL
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*
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* Creates a new #GtkFileChooserDialog with a specified backend. This is
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* especially useful if you use gtk_file_chooser_set_local_only() to allow
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* non-local files and you use a more expressive vfs, such as gnome-vfs,
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* to load files.
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*
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* Return value: a new #GtkFileChooserDialog
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*
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* Since: 2.4
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* Deprecated: 2.14: Use gtk_file_chooser_dialog_new() instead.
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**/
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GtkWidget *
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gtk_file_chooser_dialog_new_with_backend (const gchar *title,
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GtkWindow *parent,
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GtkFileChooserAction action,
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const gchar *backend,
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const gchar *first_button_text,
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...)
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{
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GtkWidget *result;
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va_list varargs;
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va_start (varargs, first_button_text);
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result = gtk_file_chooser_dialog_new_valist (title, parent, action,
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backend, first_button_text,
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varargs);
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va_end (varargs);
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return result;
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}
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#define __GTK_FILE_CHOOSER_DIALOG_C__
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#include "gtkaliasdef.c"
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