493 lines
15 KiB
C
493 lines
15 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkfilechooserutils.h"
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#include "deprecated/gtkfilechooser.h"
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#include "gtktypebuiltins.h"
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#include "gtkprivate.h"
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#include <glib/gi18n-lib.h>
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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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 char *name);
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static char * delegate_get_current_name (GtkFileChooser *chooser);
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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 GListModel * delegate_get_files (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 GListModel * delegate_get_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 GListModel * delegate_get_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_add_choice (GtkFileChooser *chooser,
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const char *id,
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const char *label,
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const char **options,
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const char **option_labels);
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static void delegate_remove_choice (GtkFileChooser *chooser,
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const char *id);
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static void delegate_set_choice (GtkFileChooser *chooser,
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const char *id,
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const char *option);
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static const char * delegate_get_choice (GtkFileChooser *chooser,
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const char *id);
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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`.
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*
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* A `GtkParamSpecOverride` property is installed for each property,
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* using the values from the `GtkFileChooserProp` enumeration. The
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* caller must make sure itself that the enumeration values don’t
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* collide with some other property values they 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_FILTER,
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"filter");
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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_CREATE_FOLDERS,
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"create-folders");
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g_object_class_override_property (klass,
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GTK_FILE_CHOOSER_PROP_FILTERS,
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"filters");
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g_object_class_override_property (klass,
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GTK_FILE_CHOOSER_PROP_SHORTCUT_FOLDERS,
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"shortcut-folders");
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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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*
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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->get_current_name = delegate_get_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->add_filter = delegate_add_filter;
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iface->remove_filter = delegate_remove_filter;
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iface->get_filters = delegate_get_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->get_shortcut_folders = delegate_get_shortcut_folders;
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iface->add_choice = delegate_add_choice;
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iface->remove_choice = delegate_remove_choice;
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iface->set_choice = delegate_set_choice;
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iface->get_choice = delegate_get_choice;
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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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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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}
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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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if (G_UNLIKELY (quark == 0))
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quark = g_quark_from_static_string ("gtk-file-chooser-delegate");
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return quark;
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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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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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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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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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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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static GListModel *
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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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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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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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static GListModel *
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delegate_get_filters (GtkFileChooser *chooser)
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{
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return gtk_file_chooser_get_filters (get_delegate (chooser));
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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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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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static GListModel *
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delegate_get_shortcut_folders (GtkFileChooser *chooser)
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{
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return gtk_file_chooser_get_shortcut_folders (get_delegate (chooser));
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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 (get_delegate (chooser), file, error);
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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 (get_delegate (chooser));
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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 char *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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static char *
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delegate_get_current_name (GtkFileChooser *chooser)
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{
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return gtk_file_chooser_get_current_name (get_delegate (chooser));
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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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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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GSettings *
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_gtk_file_chooser_get_settings_for_widget (GtkWidget *widget)
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{
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static GQuark file_chooser_settings_quark = 0;
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GtkSettings *gtksettings;
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GSettings *settings;
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if (G_UNLIKELY (file_chooser_settings_quark == 0))
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file_chooser_settings_quark = g_quark_from_static_string ("-gtk-file-chooser-settings");
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gtksettings = gtk_widget_get_settings (widget);
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settings = g_object_get_qdata (G_OBJECT (gtksettings), file_chooser_settings_quark);
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if (G_UNLIKELY (settings == NULL))
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{
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settings = g_settings_new ("org.gtk.gtk4.Settings.FileChooser");
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g_settings_delay (settings);
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g_object_set_qdata_full (G_OBJECT (gtksettings),
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file_chooser_settings_quark,
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settings,
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g_object_unref);
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}
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return settings;
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}
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char *
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_gtk_file_chooser_label_for_file (GFile *file)
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{
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const char *path, *start, *end, *p;
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char *uri, *host, *label;
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uri = g_file_get_uri (file);
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start = strstr (uri, "://");
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if (start)
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{
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start += 3;
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path = strchr (start, '/');
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if (path)
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end = path;
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else
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{
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end = uri + strlen (uri);
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path = "/";
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}
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/* strip username */
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p = strchr (start, '@');
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if (p && p < end)
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start = p + 1;
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p = strchr (start, ':');
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if (p && p < end)
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end = p;
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host = g_strndup (start, end - start);
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/* Translators: the first string is a path and the second string
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* is a hostname. Nautilus and the panel contain the same string
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* to translate.
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*/
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label = g_strdup_printf (_("%1$s on %2$s"), path, host);
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g_free (host);
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}
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else
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{
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label = g_strdup (uri);
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}
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g_free (uri);
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return label;
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}
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static void
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delegate_add_choice (GtkFileChooser *chooser,
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const char *id,
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const char *label,
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const char **options,
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const char **option_labels)
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{
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gtk_file_chooser_add_choice (get_delegate (chooser),
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id, label, options, option_labels);
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}
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static void
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delegate_remove_choice (GtkFileChooser *chooser,
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const char *id)
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{
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gtk_file_chooser_remove_choice (get_delegate (chooser), id);
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}
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static void
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delegate_set_choice (GtkFileChooser *chooser,
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const char *id,
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const char *option)
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{
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gtk_file_chooser_set_choice (get_delegate (chooser), id, option);
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}
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static const char *
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delegate_get_choice (GtkFileChooser *chooser,
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const char *id)
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{
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return gtk_file_chooser_get_choice (get_delegate (chooser), id);
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}
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gboolean
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_gtk_file_info_consider_as_directory (GFileInfo *info)
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{
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GFileType type = g_file_info_get_file_type (info);
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return (type == G_FILE_TYPE_DIRECTORY ||
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type == G_FILE_TYPE_MOUNTABLE ||
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type == G_FILE_TYPE_SHORTCUT);
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}
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gboolean
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_gtk_file_has_native_path (GFile *file)
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{
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char *local_file_path;
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gboolean has_native_path;
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/* Don't use g_file_is_native(), as we want to support FUSE paths if available */
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local_file_path = g_file_get_path (file);
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has_native_path = (local_file_path != NULL);
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g_free (local_file_path);
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return has_native_path;
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}
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gboolean
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_gtk_file_consider_as_remote (GFile *file)
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{
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GFileInfo *info;
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gboolean is_remote;
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info = g_file_query_filesystem_info (file, G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE, NULL, NULL);
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if (info)
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{
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is_remote = g_file_info_get_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE);
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g_object_unref (info);
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}
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else
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is_remote = FALSE;
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return is_remote;
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}
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GIcon *
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_gtk_file_info_get_icon (GFileInfo *info,
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int icon_size,
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int scale,
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GtkIconTheme *icon_theme)
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{
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GIcon *icon;
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GdkPixbuf *pixbuf;
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const char *thumbnail_path;
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thumbnail_path = g_file_info_get_attribute_byte_string (info, G_FILE_ATTRIBUTE_THUMBNAIL_PATH);
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if (thumbnail_path)
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{
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pixbuf = gdk_pixbuf_new_from_file_at_size (thumbnail_path,
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icon_size*scale, icon_size*scale,
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NULL);
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if (pixbuf != NULL)
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return G_ICON (pixbuf);
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}
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icon = g_file_info_get_icon (info);
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if (icon && gtk_icon_theme_has_gicon (icon_theme, icon))
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return g_object_ref (icon);
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/* Use general fallback for all files without icon */
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icon = g_themed_icon_new ("text-x-generic");
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return icon;
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}
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GFile *
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_gtk_file_info_get_file (GFileInfo *info)
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{
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g_assert (G_IS_FILE_INFO (info));
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g_assert (g_file_info_has_attribute (info, "standard::file"));
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return G_FILE (g_file_info_get_attribute_object (info, "standard::file"));
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}
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