Add CcHostnameEntry widget and use it in the info panel
https://bugzilla.gnome.org/show_bug.cgi?id=687772
This commit is contained in:
Thomas Wood
parent
b577e6a679
commit
f3a35fb573
12 changed files with 393 additions and 256 deletions
299
shell/cc-hostname-entry.c
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299
shell/cc-hostname-entry.c
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2013 Intel, Inc
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* Copyright (C) 2011,2012 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "cc-hostname-entry.h"
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#include "hostname-helper.h"
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#include <polkit/polkit.h>
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G_DEFINE_TYPE (CcHostnameEntry, cc_hostname_entry, GTK_TYPE_ENTRY)
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#define HOSTNAME_ENTRY_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((o), CC_TYPE_HOSTNAME_ENTRY, CcHostnameEntryPrivate))
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#define SET_HOSTNAME_TIMEOUT 1
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struct _CcHostnameEntryPrivate
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{
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GDBusProxy *hostnamed_proxy;
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guint set_hostname_timeout_source_id;
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};
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static void
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cc_hostname_entry_set_hostname (CcHostnameEntry *self)
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{
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char *hostname;
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GVariant *variant;
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GError *error = NULL;
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const gchar *text;
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text = gtk_entry_get_text (GTK_ENTRY (self));
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g_debug ("Setting PrettyHostname to '%s'", text);
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variant = g_dbus_proxy_call_sync (self->priv->hostnamed_proxy,
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"SetPrettyHostname",
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g_variant_new ("(sb)", text, FALSE),
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G_DBUS_CALL_FLAGS_NONE,
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-1, NULL, &error);
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if (variant == NULL)
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{
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g_warning ("Could not set PrettyHostname: %s", error->message);
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g_error_free (error);
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error = NULL;
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}
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else
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{
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g_variant_unref (variant);
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}
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/* Set the static hostname */
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hostname = pretty_hostname_to_static (text, FALSE);
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g_assert (hostname);
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g_debug ("Setting StaticHostname to '%s'", hostname);
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variant = g_dbus_proxy_call_sync (self->priv->hostnamed_proxy,
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"SetStaticHostname",
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g_variant_new ("(sb)", hostname, FALSE),
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G_DBUS_CALL_FLAGS_NONE,
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-1, NULL, &error);
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if (variant == NULL)
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{
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g_warning ("Could not set StaticHostname: %s", error->message);
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g_error_free (error);
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}
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else
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{
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g_variant_unref (variant);
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}
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g_free (hostname);
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}
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static char *
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get_hostname_property (CcHostnameEntry *self,
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const char *property)
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{
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CcHostnameEntryPrivate *priv = self->priv;
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GVariant *variant;
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char *str;
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if (!priv->hostnamed_proxy)
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return g_strdup ("");
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variant = g_dbus_proxy_get_cached_property (priv->hostnamed_proxy,
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property);
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if (!variant)
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{
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GError *error = NULL;
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GVariant *inner;
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/* Work around systemd-hostname not sending us back
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* the property value when changing values */
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variant = g_dbus_proxy_call_sync (priv->hostnamed_proxy,
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"org.freedesktop.DBus.Properties.Get",
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g_variant_new ("(ss)", "org.freedesktop.hostname1", property),
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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NULL,
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&error);
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if (variant == NULL)
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{
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g_warning ("Failed to get property '%s': %s", property, error->message);
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g_error_free (error);
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return NULL;
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}
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g_variant_get (variant, "(v)", &inner);
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str = g_variant_dup_string (inner, NULL);
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g_variant_unref (variant);
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}
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else
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{
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str = g_variant_dup_string (variant, NULL);
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g_variant_unref (variant);
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}
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return str;
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}
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static char *
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cc_hostname_entry_get_display_hostname (CcHostnameEntry *self)
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{
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char *str;
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str = get_hostname_property (self, "PrettyHostname");
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/* Empty strings means that we need to fallback */
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if (str != NULL &&
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*str == '\0')
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{
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g_free (str);
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str = get_hostname_property (self, "Hostname");
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}
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return str;
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}
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static gboolean
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set_hostname_timeout (CcHostnameEntry *self)
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{
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self->priv->set_hostname_timeout_source_id = 0;
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cc_hostname_entry_set_hostname (self);
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return FALSE;
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}
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static void
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remove_hostname_timeout (CcHostnameEntry *entry)
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{
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CcHostnameEntryPrivate *priv = entry->priv;
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if (priv->set_hostname_timeout_source_id)
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g_source_remove (priv->set_hostname_timeout_source_id);
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priv->set_hostname_timeout_source_id = 0;
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}
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static void
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reset_hostname_timeout (CcHostnameEntry *entry)
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{
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remove_hostname_timeout (entry);
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entry->priv->set_hostname_timeout_source_id = g_timeout_add_seconds (SET_HOSTNAME_TIMEOUT,
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(GSourceFunc) set_hostname_timeout,
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entry);
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}
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static void
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text_changed_cb (CcHostnameEntry *entry)
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{
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reset_hostname_timeout (entry);
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}
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static void
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cc_hostname_entry_dispose (GObject *object)
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{
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CcHostnameEntry *entry = CC_HOSTNAME_ENTRY (object);
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CcHostnameEntryPrivate *priv = entry->priv;
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if (priv->set_hostname_timeout_source_id)
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{
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remove_hostname_timeout (entry);
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set_hostname_timeout (entry);
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}
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g_clear_object (&priv->hostnamed_proxy);
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G_OBJECT_CLASS (cc_hostname_entry_parent_class)->dispose (object);
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}
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static void
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cc_hostname_entry_constructed (GObject *self)
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{
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CcHostnameEntryPrivate *priv = CC_HOSTNAME_ENTRY (self)->priv;
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GError *error = NULL;
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GPermission *permission;
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char *str;
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permission = polkit_permission_new_sync ("org.freedesktop.hostname1.set-static-hostname",
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NULL, NULL, NULL);
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/* Is hostnamed installed? */
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if (permission == NULL)
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{
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g_debug ("Will not show hostname, hostnamed not installed");
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gtk_widget_set_sensitive (GTK_WIDGET (self), FALSE);
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return;
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}
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if (g_permission_get_allowed (permission))
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gtk_widget_set_sensitive (GTK_WIDGET (self), TRUE);
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else
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{
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g_debug ("Not allowed to change the hostname");
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gtk_widget_set_sensitive (GTK_WIDGET (self), FALSE);
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}
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gtk_widget_set_sensitive (GTK_WIDGET (self),
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g_permission_get_allowed (permission));
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priv->hostnamed_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
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G_DBUS_PROXY_FLAGS_NONE,
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NULL,
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"org.freedesktop.hostname1",
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"/org/freedesktop/hostname1",
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"org.freedesktop.hostname1",
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NULL,
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&error);
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/* This could only happen if the policy file was installed
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* but not hostnamed, which points to a system bug */
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if (priv->hostnamed_proxy == NULL)
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{
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g_debug ("Couldn't get hostnamed to start, bailing: %s", error->message);
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g_error_free (error);
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return;
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}
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str = cc_hostname_entry_get_display_hostname (CC_HOSTNAME_ENTRY (self));
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if (str != NULL)
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gtk_entry_set_text (GTK_ENTRY (self), str);
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else
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gtk_entry_set_text (GTK_ENTRY (self), "");
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g_free (str);
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g_signal_connect (G_OBJECT (self), "changed", G_CALLBACK (text_changed_cb),
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self);
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}
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static void
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cc_hostname_entry_class_init (CcHostnameEntryClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (CcHostnameEntryPrivate));
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object_class->constructed = cc_hostname_entry_constructed;
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object_class->dispose = cc_hostname_entry_dispose;
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}
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static void
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cc_hostname_entry_init (CcHostnameEntry *self)
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{
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self->priv = HOSTNAME_ENTRY_PRIVATE (self);
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}
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CcHostnameEntry *
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cc_hostname_entry_new (void)
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{
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return g_object_new (CC_TYPE_HOSTNAME_ENTRY, NULL);
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}
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gchar*
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cc_hostname_entry_get_hostname (CcHostnameEntry *entry)
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{
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return get_hostname_property (entry, "Hostname");
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}
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