 02c65db5c0
			
		
	
	02c65db5c0
	
	
	
		
			
			2008-08-04 Carlos Garnacho <carlos@imendio.com> * gtk/gtk.symbols: * gtk/gtkfilechooser.[ch]: Make GFile-oriented API public. Fixes #545978. * gtk/gtkfilechooserbutton.c: * gtk/gtkfilechooserdefault.c: * gtk/gtkfilechooserutils.c: Update to use public GFile API. svn path=/trunk/; revision=20971
		
			
				
	
	
		
			363 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			363 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GTK - The GIMP Toolkit
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|  * gtkfilechooserutils.c: Private utility functions useful for
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|  *                        implementing a GtkFileChooser interface
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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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| 
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| #include "config.h"
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| #include "gtkfilechooserutils.h"
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| #include "gtkfilechooser.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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| 
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| static gboolean       delegate_set_current_folder     (GtkFileChooser    *chooser,
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| 						       GFile             *file,
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| 						       GError           **error);
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| static GFile *        delegate_get_current_folder     (GtkFileChooser    *chooser);
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| static void           delegate_set_current_name       (GtkFileChooser    *chooser,
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| 						       const gchar       *name);
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| static gboolean       delegate_select_file            (GtkFileChooser    *chooser,
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| 						       GFile             *file,
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| 						       GError           **error);
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| static void           delegate_unselect_file          (GtkFileChooser    *chooser,
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| 						       GFile             *file);
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| static void           delegate_select_all             (GtkFileChooser    *chooser);
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| static void           delegate_unselect_all           (GtkFileChooser    *chooser);
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| static GSList *       delegate_get_files              (GtkFileChooser    *chooser);
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| static GFile *        delegate_get_preview_file       (GtkFileChooser    *chooser);
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| static GtkFileSystem *delegate_get_file_system        (GtkFileChooser    *chooser);
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| static void           delegate_add_filter             (GtkFileChooser    *chooser,
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| 						       GtkFileFilter     *filter);
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| static void           delegate_remove_filter          (GtkFileChooser    *chooser,
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| 						       GtkFileFilter     *filter);
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| static GSList *       delegate_list_filters           (GtkFileChooser    *chooser);
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| static gboolean       delegate_add_shortcut_folder    (GtkFileChooser    *chooser,
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| 						       GFile             *file,
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| 						       GError           **error);
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| static gboolean       delegate_remove_shortcut_folder (GtkFileChooser    *chooser,
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| 						       GFile             *file,
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| 						       GError           **error);
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| static GSList *       delegate_list_shortcut_folders  (GtkFileChooser    *chooser);
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| static void           delegate_notify                 (GObject           *object,
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| 						       GParamSpec        *pspec,
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| 						       gpointer           data);
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| static void           delegate_current_folder_changed (GtkFileChooser    *chooser,
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| 						       gpointer           data);
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| static void           delegate_selection_changed      (GtkFileChooser    *chooser,
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| 						       gpointer           data);
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| static void           delegate_update_preview         (GtkFileChooser    *chooser,
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| 						       gpointer           data);
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| static void           delegate_file_activated         (GtkFileChooser    *chooser,
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| 						       gpointer           data);
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| 
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| static GtkFileChooserConfirmation delegate_confirm_overwrite (GtkFileChooser    *chooser,
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| 							      gpointer           data);
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| 
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| /**
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|  * _gtk_file_chooser_install_properties:
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|  * @klass: the class structure for a type deriving from #GObject
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|  *
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|  * Installs the necessary properties for a class implementing
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|  * #GtkFileChooser. A #GtkParamSpecOverride property is installed
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|  * for each property, using the values from the #GtkFileChooserProp
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|  * enumeration. The caller must make sure itself that the enumeration
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|  * values don't collide with some other property values they
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|  * are using.
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|  **/
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| void
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| _gtk_file_chooser_install_properties (GObjectClass *klass)
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| {
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_ACTION,
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| 				    "action");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_EXTRA_WIDGET,
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| 				    "extra-widget");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND,
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| 				    "file-system-backend");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_FILTER,
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| 				    "filter");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_LOCAL_ONLY,
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| 				    "local-only");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET,
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| 				    "preview-widget");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE,
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| 				    "preview-widget-active");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_USE_PREVIEW_LABEL,
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| 				    "use-preview-label");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE,
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| 				    "select-multiple");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN,
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| 				    "show-hidden");
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|   g_object_class_override_property (klass,
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| 				    GTK_FILE_CHOOSER_PROP_DO_OVERWRITE_CONFIRMATION,
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| 				    "do-overwrite-confirmation");
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| }
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| 
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| /**
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|  * _gtk_file_chooser_delegate_iface_init:
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|  * @iface: a #GtkFileChoserIface structure
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|  *
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|  * An interface-initialization function for use in cases where
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|  * an object is simply delegating the methods, signals of
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|  * the #GtkFileChooser interface to another object.
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|  * _gtk_file_chooser_set_delegate() must be called on each
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|  * instance of the object so that the delegate object can
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|  * be found.
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|  **/
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| void
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| _gtk_file_chooser_delegate_iface_init (GtkFileChooserIface *iface)
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| {
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|   iface->set_current_folder = delegate_set_current_folder;
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|   iface->get_current_folder = delegate_get_current_folder;
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|   iface->set_current_name = delegate_set_current_name;
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|   iface->select_file = delegate_select_file;
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|   iface->unselect_file = delegate_unselect_file;
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|   iface->select_all = delegate_select_all;
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|   iface->unselect_all = delegate_unselect_all;
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|   iface->get_files = delegate_get_files;
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|   iface->get_preview_file = delegate_get_preview_file;
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|   iface->get_file_system = delegate_get_file_system;
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|   iface->add_filter = delegate_add_filter;
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|   iface->remove_filter = delegate_remove_filter;
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|   iface->list_filters = delegate_list_filters;
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|   iface->add_shortcut_folder = delegate_add_shortcut_folder;
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|   iface->remove_shortcut_folder = delegate_remove_shortcut_folder;
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|   iface->list_shortcut_folders = delegate_list_shortcut_folders;
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| }
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| 
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| /**
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|  * _gtk_file_chooser_set_delegate:
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|  * @receiver: a #GObject implementing #GtkFileChooser
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|  * @delegate: another #GObject implementing #GtkFileChooser
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|  *
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|  * Establishes that calls on @receiver for #GtkFileChooser
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|  * methods should be delegated to @delegate, and that
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|  * #GtkFileChooser signals emitted on @delegate should be
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|  * forwarded to @receiver. Must be used in conjunction with
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|  * _gtk_file_chooser_delegate_iface_init().
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|  **/
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| void
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| _gtk_file_chooser_set_delegate (GtkFileChooser *receiver,
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| 				GtkFileChooser *delegate)
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| {
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|   g_return_if_fail (GTK_IS_FILE_CHOOSER (receiver));
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|   g_return_if_fail (GTK_IS_FILE_CHOOSER (delegate));
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| 
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|   g_object_set_data (G_OBJECT (receiver), I_("gtk-file-chooser-delegate"), delegate);
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|   g_signal_connect (delegate, "notify",
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| 		    G_CALLBACK (delegate_notify), receiver);
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|   g_signal_connect (delegate, "current-folder-changed",
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| 		    G_CALLBACK (delegate_current_folder_changed), receiver);
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|   g_signal_connect (delegate, "selection-changed",
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| 		    G_CALLBACK (delegate_selection_changed), receiver);
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|   g_signal_connect (delegate, "update-preview",
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| 		    G_CALLBACK (delegate_update_preview), receiver);
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|   g_signal_connect (delegate, "file-activated",
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| 		    G_CALLBACK (delegate_file_activated), receiver);
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|   g_signal_connect (delegate, "confirm-overwrite",
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| 		    G_CALLBACK (delegate_confirm_overwrite), receiver);
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| }
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| 
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| GQuark
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| _gtk_file_chooser_delegate_get_quark (void)
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| {
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|   static GQuark quark = 0;
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| 
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|   if (G_UNLIKELY (quark == 0))
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|     quark = g_quark_from_static_string ("gtk-file-chooser-delegate");
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|   
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|   return quark;
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| }
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| 
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| static GtkFileChooser *
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| get_delegate (GtkFileChooser *receiver)
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| {
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|   return g_object_get_qdata (G_OBJECT (receiver),
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| 			     GTK_FILE_CHOOSER_DELEGATE_QUARK);
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| }
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| 
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| static gboolean
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| delegate_select_file (GtkFileChooser    *chooser,
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| 		      GFile             *file,
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| 		      GError           **error)
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| {
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|   return gtk_file_chooser_select_file (get_delegate (chooser), file, error);
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| }
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| 
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| static void
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| delegate_unselect_file (GtkFileChooser *chooser,
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| 			GFile          *file)
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| {
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|   gtk_file_chooser_unselect_file (get_delegate (chooser), file);
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| }
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| 
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| static void
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| delegate_select_all (GtkFileChooser *chooser)
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| {
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|   gtk_file_chooser_select_all (get_delegate (chooser));
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| }
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| 
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| static void
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| delegate_unselect_all (GtkFileChooser *chooser)
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| {
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|   gtk_file_chooser_unselect_all (get_delegate (chooser));
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| }
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| 
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| static GSList *
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| delegate_get_files (GtkFileChooser *chooser)
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| {
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|   return gtk_file_chooser_get_files (get_delegate (chooser));
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| }
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| 
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| static GFile *
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| delegate_get_preview_file (GtkFileChooser *chooser)
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| {
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|   return gtk_file_chooser_get_preview_file (get_delegate (chooser));
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| }
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| 
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| static GtkFileSystem *
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| delegate_get_file_system (GtkFileChooser *chooser)
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| {
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|   return _gtk_file_chooser_get_file_system (get_delegate (chooser));
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| }
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| 
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| static void
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| delegate_add_filter (GtkFileChooser *chooser,
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| 		     GtkFileFilter  *filter)
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| {
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|   gtk_file_chooser_add_filter (get_delegate (chooser), filter);
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| }
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| 
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| static void
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| delegate_remove_filter (GtkFileChooser *chooser,
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| 			GtkFileFilter  *filter)
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| {
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|   gtk_file_chooser_remove_filter (get_delegate (chooser), filter);
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| }
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| 
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| static GSList *
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| delegate_list_filters (GtkFileChooser *chooser)
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| {
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|   return gtk_file_chooser_list_filters (get_delegate (chooser));
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| }
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| 
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| static gboolean
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| delegate_add_shortcut_folder (GtkFileChooser  *chooser,
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| 			      GFile           *file,
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| 			      GError         **error)
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| {
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|   return _gtk_file_chooser_add_shortcut_folder (get_delegate (chooser), file, error);
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| }
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| 
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| static gboolean
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| delegate_remove_shortcut_folder (GtkFileChooser  *chooser,
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| 				 GFile           *file,
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| 				 GError         **error)
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| {
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|   return _gtk_file_chooser_remove_shortcut_folder (get_delegate (chooser), file, error);
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| }
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| 
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| static GSList *
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| delegate_list_shortcut_folders (GtkFileChooser *chooser)
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| {
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|   return gtk_file_chooser_list_shortcut_folders (get_delegate (chooser));
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| }
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| 
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| static gboolean
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| delegate_set_current_folder (GtkFileChooser  *chooser,
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| 			     GFile           *file,
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| 			     GError         **error)
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| {
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|   return gtk_file_chooser_set_current_folder_file (get_delegate (chooser), file, error);
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| }
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| 
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| static GFile *
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| delegate_get_current_folder (GtkFileChooser *chooser)
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| {
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|   return gtk_file_chooser_get_current_folder_file (get_delegate (chooser));
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| }
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| 
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| static void
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| delegate_set_current_name (GtkFileChooser *chooser,
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| 			   const gchar    *name)
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| {
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|   gtk_file_chooser_set_current_name (get_delegate (chooser), name);
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| }
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| 
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| static void
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| delegate_notify (GObject    *object,
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| 		 GParamSpec *pspec,
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| 		 gpointer    data)
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| {
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|   gpointer iface;
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| 
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|   iface = g_type_interface_peek (g_type_class_peek (G_OBJECT_TYPE (object)),
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| 				 gtk_file_chooser_get_type ());
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|   if (g_object_interface_find_property (iface, pspec->name))
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|     g_object_notify (data, pspec->name);
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| }
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| 
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| static void
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| delegate_selection_changed (GtkFileChooser *chooser,
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| 			    gpointer        data)
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| {
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|   g_signal_emit_by_name (data, "selection-changed");
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| }
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| 
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| static void
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| delegate_current_folder_changed (GtkFileChooser *chooser,
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| 				 gpointer        data)
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| {
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|   g_signal_emit_by_name (data, "current-folder-changed");
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| }
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| 
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| static void
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| delegate_update_preview (GtkFileChooser    *chooser,
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| 			 gpointer           data)
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| {
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|   g_signal_emit_by_name (data, "update-preview");
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| }
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| 
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| static void
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| delegate_file_activated (GtkFileChooser    *chooser,
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| 			 gpointer           data)
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| {
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|   g_signal_emit_by_name (data, "file-activated");
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| }
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| 
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| static GtkFileChooserConfirmation
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| delegate_confirm_overwrite (GtkFileChooser    *chooser,
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| 			    gpointer           data)
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| {
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|   GtkFileChooserConfirmation conf;
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| 
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|   g_signal_emit_by_name (data, "confirm-overwrite", &conf);
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|   return conf;
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| }
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