[134] | 1 | /* gdm-session-settings.c - Loads session and language from ~/.dmrc |
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| 2 | * |
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| 3 | * Copyright (C) 2008 Red Hat, Inc. |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2, or (at your option) |
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| 8 | * any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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| 18 | * 02111-1307, USA. |
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| 19 | * |
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| 20 | * Written by: Ray Strode <rstrode@redhat.com> |
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| 21 | */ |
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| 22 | #include "config.h" |
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| 23 | #include "gdm-session-settings.h" |
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| 24 | |
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| 25 | #include <errno.h> |
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| 26 | #include <pwd.h> |
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| 27 | #include <string.h> |
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| 28 | #include <sys/types.h> |
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| 29 | #include <unistd.h> |
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| 30 | |
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| 31 | #include <glib.h> |
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| 32 | #include <glib-object.h> |
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| 33 | #include <glib/gi18n.h> |
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| 34 | |
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| 35 | struct _GdmSessionSettingsPrivate |
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| 36 | { |
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| 37 | char *session_name; |
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| 38 | char *language_name; |
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| 39 | char *layout_name; |
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| 40 | }; |
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| 41 | |
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| 42 | static void gdm_session_settings_finalize (GObject *object); |
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| 43 | static void gdm_session_settings_class_install_properties (GdmSessionSettingsClass * |
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| 44 | settings_class); |
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| 45 | |
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| 46 | static void gdm_session_settings_set_property (GObject *object, |
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| 47 | guint prop_id, |
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| 48 | const GValue *value, |
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| 49 | GParamSpec *pspec); |
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| 50 | static void gdm_session_settings_get_property (GObject *object, |
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| 51 | guint prop_id, |
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| 52 | GValue *value, |
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| 53 | GParamSpec *pspec); |
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| 54 | |
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| 55 | enum { |
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| 56 | PROP_0 = 0, |
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| 57 | PROP_SESSION_NAME, |
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| 58 | PROP_LANGUAGE_NAME, |
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| 59 | PROP_LAYOUT_NAME, |
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| 60 | }; |
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| 61 | |
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| 62 | G_DEFINE_TYPE (GdmSessionSettings, gdm_session_settings, G_TYPE_OBJECT) |
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| 63 | |
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| 64 | static void |
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| 65 | gdm_session_settings_class_init (GdmSessionSettingsClass *settings_class) |
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| 66 | { |
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| 67 | GObjectClass *object_class; |
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| 68 | |
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| 69 | object_class = G_OBJECT_CLASS (settings_class); |
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| 70 | |
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| 71 | object_class->finalize = gdm_session_settings_finalize; |
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| 72 | |
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| 73 | gdm_session_settings_class_install_properties (settings_class); |
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| 74 | |
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| 75 | g_type_class_add_private (settings_class, sizeof (GdmSessionSettingsPrivate)); |
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| 76 | } |
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| 77 | |
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| 78 | static void |
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| 79 | gdm_session_settings_class_install_properties (GdmSessionSettingsClass *settings_class) |
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| 80 | { |
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| 81 | GObjectClass *object_class; |
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| 82 | GParamSpec *param_spec; |
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| 83 | |
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| 84 | object_class = G_OBJECT_CLASS (settings_class); |
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| 85 | object_class->set_property = gdm_session_settings_set_property; |
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| 86 | object_class->get_property = gdm_session_settings_get_property; |
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| 87 | |
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| 88 | param_spec = g_param_spec_string ("session-name", "Session Name", |
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| 89 | "The name of the session", |
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| 90 | NULL, G_PARAM_READWRITE); |
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| 91 | g_object_class_install_property (object_class, PROP_SESSION_NAME, param_spec); |
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| 92 | |
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| 93 | param_spec = g_param_spec_string ("language-name", "Language Name", |
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| 94 | "The name of the language", |
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| 95 | NULL, |
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| 96 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY); |
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| 97 | g_object_class_install_property (object_class, PROP_LANGUAGE_NAME, param_spec); |
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| 98 | param_spec = g_param_spec_string ("layout-name", "Keyboard Layout Name", |
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| 99 | "The name of the keyboard layout", |
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| 100 | NULL, |
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| 101 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY); |
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| 102 | g_object_class_install_property (object_class, PROP_LAYOUT_NAME, param_spec); |
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| 103 | } |
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| 104 | |
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| 105 | static void |
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| 106 | gdm_session_settings_init (GdmSessionSettings *settings) |
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| 107 | { |
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| 108 | settings->priv = G_TYPE_INSTANCE_GET_PRIVATE (settings, |
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| 109 | GDM_TYPE_SESSION_SETTINGS, |
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| 110 | GdmSessionSettingsPrivate); |
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| 111 | |
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| 112 | } |
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| 113 | |
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| 114 | static void |
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| 115 | gdm_session_settings_finalize (GObject *object) |
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| 116 | { |
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| 117 | GdmSessionSettings *settings; |
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| 118 | GObjectClass *parent_class; |
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| 119 | |
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| 120 | settings = GDM_SESSION_SETTINGS (object); |
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| 121 | |
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| 122 | g_free (settings->priv->session_name); |
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| 123 | g_free (settings->priv->language_name); |
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| 124 | g_free (settings->priv->layout_name); |
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| 125 | |
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| 126 | parent_class = G_OBJECT_CLASS (gdm_session_settings_parent_class); |
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| 127 | |
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| 128 | if (parent_class->finalize != NULL) { |
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| 129 | parent_class->finalize (object); |
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| 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | void |
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| 134 | gdm_session_settings_set_language_name (GdmSessionSettings *settings, |
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| 135 | const char *language_name) |
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| 136 | { |
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| 137 | g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings)); |
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| 138 | |
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| 139 | if (settings->priv->language_name == NULL || |
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| 140 | strcmp (settings->priv->language_name, language_name) != 0) { |
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| 141 | settings->priv->language_name = g_strdup (language_name); |
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| 142 | g_object_notify (G_OBJECT (settings), "language-name"); |
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| 143 | } |
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| 144 | } |
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| 145 | |
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| 146 | void |
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| 147 | gdm_session_settings_set_layout_name (GdmSessionSettings *settings, |
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| 148 | const char *layout_name) |
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| 149 | { |
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| 150 | g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings)); |
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| 151 | |
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| 152 | if (settings->priv->layout_name == NULL || |
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| 153 | strcmp (settings->priv->layout_name, layout_name) != 0) { |
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| 154 | settings->priv->layout_name = g_strdup (layout_name); |
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| 155 | g_object_notify (G_OBJECT (settings), "layout-name"); |
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| 156 | } |
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| 157 | } |
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| 158 | |
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| 159 | void |
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| 160 | gdm_session_settings_set_session_name (GdmSessionSettings *settings, |
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| 161 | const char *session_name) |
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| 162 | { |
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| 163 | g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings)); |
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| 164 | |
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| 165 | if (settings->priv->session_name == NULL || |
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| 166 | strcmp (settings->priv->session_name, session_name) != 0) { |
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| 167 | settings->priv->session_name = g_strdup (session_name); |
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| 168 | g_object_notify (G_OBJECT (settings), "session-name"); |
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| 169 | } |
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| 170 | } |
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| 171 | |
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| 172 | char * |
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| 173 | gdm_session_settings_get_language_name (GdmSessionSettings *settings) |
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| 174 | { |
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| 175 | g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL); |
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| 176 | return g_strdup (settings->priv->language_name); |
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| 177 | } |
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| 178 | |
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| 179 | char * |
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| 180 | gdm_session_settings_get_layout_name (GdmSessionSettings *settings) |
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| 181 | { |
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| 182 | g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL); |
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| 183 | return g_strdup (settings->priv->layout_name); |
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| 184 | } |
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| 185 | |
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| 186 | char * |
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| 187 | gdm_session_settings_get_session_name (GdmSessionSettings *settings) |
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| 188 | { |
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| 189 | g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL); |
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| 190 | return g_strdup (settings->priv->session_name); |
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| 191 | } |
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| 192 | |
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| 193 | static void |
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| 194 | gdm_session_settings_set_property (GObject *object, |
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| 195 | guint prop_id, |
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| 196 | const GValue *value, |
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| 197 | GParamSpec *pspec) |
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| 198 | { |
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| 199 | GdmSessionSettings *settings; |
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| 200 | |
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| 201 | settings = GDM_SESSION_SETTINGS (object); |
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| 202 | |
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| 203 | switch (prop_id) { |
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| 204 | case PROP_LANGUAGE_NAME: |
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| 205 | gdm_session_settings_set_language_name (settings, g_value_get_string (value)); |
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| 206 | break; |
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| 207 | |
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| 208 | case PROP_LAYOUT_NAME: |
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| 209 | gdm_session_settings_set_layout_name (settings, g_value_get_string (value)); |
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| 210 | break; |
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| 211 | |
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| 212 | case PROP_SESSION_NAME: |
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| 213 | gdm_session_settings_set_session_name (settings, g_value_get_string (value)); |
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| 214 | break; |
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| 215 | |
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| 216 | default: |
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| 217 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 218 | } |
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| 219 | } |
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| 220 | |
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| 221 | static void |
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| 222 | gdm_session_settings_get_property (GObject *object, |
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| 223 | guint prop_id, |
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| 224 | GValue *value, |
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| 225 | GParamSpec *pspec) |
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| 226 | { |
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| 227 | GdmSessionSettings *settings; |
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| 228 | |
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| 229 | settings = GDM_SESSION_SETTINGS (object); |
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| 230 | |
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| 231 | switch (prop_id) { |
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| 232 | case PROP_SESSION_NAME: |
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| 233 | g_value_set_string (value, settings->priv->session_name); |
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| 234 | break; |
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| 235 | |
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| 236 | case PROP_LANGUAGE_NAME: |
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| 237 | g_value_set_string (value, settings->priv->language_name); |
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| 238 | break; |
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| 239 | |
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| 240 | case PROP_LAYOUT_NAME: |
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| 241 | g_value_set_string (value, settings->priv->layout_name); |
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| 242 | break; |
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| 243 | |
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| 244 | default: |
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| 245 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 246 | } |
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| 247 | } |
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| 248 | |
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| 249 | GdmSessionSettings * |
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| 250 | gdm_session_settings_new (void) |
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| 251 | { |
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| 252 | GdmSessionSettings *settings; |
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| 253 | |
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| 254 | settings = g_object_new (GDM_TYPE_SESSION_SETTINGS, |
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| 255 | NULL); |
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| 256 | |
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| 257 | return settings; |
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| 258 | } |
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| 259 | |
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| 260 | gboolean |
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| 261 | gdm_session_settings_is_loaded (GdmSessionSettings *settings) |
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| 262 | { |
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| 263 | return settings->priv->session_name != NULL || |
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| 264 | settings->priv->language_name != NULL || |
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| 265 | settings->priv->layout_name != NULL; |
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| 266 | } |
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| 267 | |
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| 268 | gboolean |
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| 269 | gdm_session_settings_load (GdmSessionSettings *settings, |
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| 270 | const char *username, |
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| 271 | GError **error) |
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| 272 | { |
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| 273 | GKeyFile *key_file; |
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| 274 | GError *load_error; |
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| 275 | gboolean is_loaded; |
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| 276 | char *session_name; |
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| 277 | char *language_name; |
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| 278 | char *layout_name; |
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| 279 | char *filename; |
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| 280 | |
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| 281 | g_return_val_if_fail (settings != NULL, FALSE); |
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| 282 | g_return_val_if_fail (username != NULL, FALSE); |
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| 283 | g_return_val_if_fail (!gdm_session_settings_is_loaded (settings), FALSE); |
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| 284 | |
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| 285 | filename = g_build_filename (GDM_CACHE_DIR, username, "dmrc", NULL); |
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| 286 | |
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| 287 | is_loaded = FALSE; |
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| 288 | key_file = g_key_file_new (); |
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| 289 | |
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| 290 | load_error = NULL; |
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| 291 | if (!g_key_file_load_from_file (key_file, filename, |
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| 292 | G_KEY_FILE_NONE, &load_error)) { |
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| 293 | g_propagate_error (error, load_error); |
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| 294 | goto out; |
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| 295 | } |
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| 296 | |
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| 297 | session_name = g_key_file_get_string (key_file, "Desktop", "Session", |
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| 298 | &load_error); |
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| 299 | |
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| 300 | if (session_name != NULL) { |
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| 301 | gdm_session_settings_set_session_name (settings, session_name); |
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| 302 | g_free (session_name); |
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| 303 | } else if (g_error_matches (load_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND)) { |
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| 304 | g_error_free (load_error); |
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| 305 | load_error = NULL; |
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| 306 | } else { |
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| 307 | g_propagate_error (error, load_error); |
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| 308 | goto out; |
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| 309 | } |
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| 310 | |
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| 311 | language_name = g_key_file_get_string (key_file, "Desktop", "Language", |
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| 312 | &load_error); |
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| 313 | |
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| 314 | if (language_name != NULL) { |
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| 315 | gdm_session_settings_set_language_name (settings, language_name); |
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| 316 | g_free (language_name); |
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| 317 | } else if (g_error_matches (load_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND)) { |
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| 318 | g_error_free (load_error); |
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| 319 | load_error = NULL; |
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| 320 | } else { |
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| 321 | g_propagate_error (error, load_error); |
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| 322 | goto out; |
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| 323 | } |
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| 324 | |
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| 325 | layout_name = g_key_file_get_string (key_file, "Desktop", "Layout", |
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| 326 | &load_error); |
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| 327 | |
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| 328 | if (layout_name != NULL) { |
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| 329 | gdm_session_settings_set_layout_name (settings, layout_name); |
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| 330 | g_free (layout_name); |
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| 331 | } else if (g_error_matches (load_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND)) { |
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| 332 | g_error_free (load_error); |
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| 333 | load_error = NULL; |
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| 334 | } else { |
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| 335 | g_propagate_error (error, load_error); |
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| 336 | goto out; |
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| 337 | } |
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| 338 | |
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| 339 | is_loaded = TRUE; |
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| 340 | out: |
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| 341 | g_key_file_free (key_file); |
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| 342 | g_free (filename); |
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| 343 | |
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| 344 | return is_loaded; |
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| 345 | } |
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| 346 | |
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| 347 | gboolean |
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| 348 | gdm_session_settings_save (GdmSessionSettings *settings, |
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| 349 | const char *home_directory, |
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| 350 | GError **error) |
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| 351 | { |
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| 352 | GKeyFile *key_file; |
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| 353 | GError *file_error; |
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| 354 | gboolean is_saved; |
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| 355 | char *filename; |
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| 356 | gsize length; |
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| 357 | gchar *contents; |
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| 358 | |
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| 359 | g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), FALSE); |
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| 360 | g_return_val_if_fail (home_directory != NULL, FALSE); |
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| 361 | g_return_val_if_fail (gdm_session_settings_is_loaded (settings), FALSE); |
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| 362 | filename = g_build_filename (home_directory, ".dmrc", NULL); |
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| 363 | |
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| 364 | is_saved = FALSE; |
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| 365 | key_file = g_key_file_new (); |
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| 366 | |
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| 367 | file_error = NULL; |
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| 368 | g_key_file_load_from_file (key_file, filename, |
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| 369 | G_KEY_FILE_KEEP_COMMENTS | |
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| 370 | G_KEY_FILE_KEEP_TRANSLATIONS, |
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| 371 | NULL); |
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| 372 | |
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| 373 | if (settings->priv->session_name != NULL) { |
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| 374 | g_key_file_set_string (key_file, "Desktop", "Session", |
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| 375 | settings->priv->session_name); |
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| 376 | } |
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| 377 | |
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| 378 | if (settings->priv->language_name != NULL) { |
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| 379 | g_key_file_set_string (key_file, "Desktop", "Language", |
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| 380 | settings->priv->language_name); |
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| 381 | } |
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| 382 | |
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| 383 | if (settings->priv->layout_name != NULL) { |
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| 384 | g_key_file_set_string (key_file, "Desktop", "Layout", |
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| 385 | settings->priv->layout_name); |
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| 386 | } |
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| 387 | |
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| 388 | contents = g_key_file_to_data (key_file, &length, &file_error); |
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| 389 | |
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| 390 | if (contents == NULL) { |
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| 391 | g_propagate_error (error, file_error); |
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| 392 | goto out; |
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| 393 | } |
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| 394 | |
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| 395 | if (!g_file_set_contents (filename, contents, length, &file_error)) { |
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| 396 | g_free (contents); |
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| 397 | g_propagate_error (error, file_error); |
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| 398 | goto out; |
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| 399 | } |
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| 400 | g_free (contents); |
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| 401 | |
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| 402 | is_saved = TRUE; |
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| 403 | out: |
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| 404 | g_key_file_free (key_file); |
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| 405 | g_free (filename); |
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| 406 | |
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| 407 | return is_saved; |
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| 408 | } |
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