1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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4 | * Copyright (C) 2008 Red Hat, Inc. |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software |
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18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 | * |
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20 | * Written by: William Jon McCann <mccann@jhu.edu> |
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21 | * Ray Strode <rstrode@redhat.com> |
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22 | */ |
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23 | |
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24 | #include "config.h" |
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25 | |
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26 | #include <stdlib.h> |
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27 | #include <stdio.h> |
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28 | #include <unistd.h> |
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29 | #include <string.h> |
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30 | #include <errno.h> |
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31 | #include <dirent.h> |
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32 | #include <sys/stat.h> |
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33 | |
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34 | #include <glib.h> |
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35 | #include <glib/gi18n.h> |
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36 | #include <glib/gstdio.h> |
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37 | #include <gtk/gtk.h> |
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38 | |
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39 | #include "gdm-session-option-widget.h" |
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40 | #include "gdm-sessions.h" |
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41 | |
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42 | #define GDM_SESSION_OPTION_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_SESSION_OPTION_WIDGET, GdmSessionOptionWidgetPrivate)) |
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43 | |
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44 | #define GDM_SESSION_OPTION_WIDGET_LAST_SESSION "__previous" |
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45 | |
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46 | struct GdmSessionOptionWidgetPrivate |
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47 | { |
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48 | gpointer dummy; |
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49 | }; |
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50 | |
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51 | enum { |
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52 | PROP_0, |
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53 | }; |
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54 | |
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55 | enum { |
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56 | SESSION_ACTIVATED, |
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57 | NUMBER_OF_SIGNALS |
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58 | }; |
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59 | |
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60 | static guint signals [NUMBER_OF_SIGNALS] = { 0, }; |
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61 | |
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62 | static void gdm_session_option_widget_class_init (GdmSessionOptionWidgetClass *klass); |
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63 | static void gdm_session_option_widget_init (GdmSessionOptionWidget *session_option_widget); |
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64 | static void gdm_session_option_widget_finalize (GObject *object); |
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65 | |
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66 | G_DEFINE_TYPE (GdmSessionOptionWidget, gdm_session_option_widget, GDM_TYPE_OPTION_WIDGET) |
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67 | static void |
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68 | gdm_session_option_widget_activated (GdmOptionWidget *widget) |
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69 | { |
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70 | char *active_item_id; |
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71 | |
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72 | active_item_id = gdm_option_widget_get_active_item (GDM_OPTION_WIDGET (widget)); |
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73 | if (active_item_id == NULL) { |
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74 | return; |
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75 | } |
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76 | |
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77 | g_signal_emit (G_OBJECT (widget), signals[SESSION_ACTIVATED], 0); |
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78 | } |
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79 | |
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80 | |
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81 | static void |
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82 | gdm_session_option_widget_class_init (GdmSessionOptionWidgetClass *klass) |
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83 | { |
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84 | GObjectClass *object_class; |
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85 | GdmOptionWidgetClass *option_widget_class; |
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86 | |
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87 | object_class = G_OBJECT_CLASS (klass); |
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88 | option_widget_class = GDM_OPTION_WIDGET_CLASS (klass); |
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89 | |
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90 | object_class->finalize = gdm_session_option_widget_finalize; |
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91 | option_widget_class->activated = gdm_session_option_widget_activated; |
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92 | |
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93 | signals[SESSION_ACTIVATED] = g_signal_new ("session-activated", |
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94 | G_TYPE_FROM_CLASS (object_class), |
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95 | G_SIGNAL_RUN_FIRST, |
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96 | G_STRUCT_OFFSET (GdmSessionOptionWidgetClass, session_activated), |
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97 | NULL, |
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98 | NULL, |
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99 | g_cclosure_marshal_VOID__VOID, |
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100 | G_TYPE_NONE, |
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101 | 0); |
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102 | |
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103 | g_type_class_add_private (klass, sizeof (GdmSessionOptionWidgetPrivate)); |
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104 | } |
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105 | |
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106 | static void |
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107 | add_available_sessions (GdmSessionOptionWidget *widget) |
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108 | { |
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109 | char **session_ids; |
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110 | int i; |
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111 | |
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112 | session_ids = gdm_get_all_sessions (); |
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113 | |
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114 | for (i = 0; session_ids[i] != NULL; i++) { |
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115 | char *name; |
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116 | char *comment; |
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117 | |
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118 | if (!gdm_get_details_for_session (session_ids[i], |
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119 | &name, &comment)) { |
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120 | continue; |
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121 | } |
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122 | |
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123 | gdm_option_widget_add_item (GDM_OPTION_WIDGET (widget), |
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124 | session_ids[i], name, comment, |
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125 | GDM_OPTION_WIDGET_POSITION_MIDDLE); |
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126 | g_free (name); |
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127 | g_free (comment); |
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128 | } |
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129 | |
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130 | g_strfreev (session_ids); |
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131 | } |
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132 | |
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133 | static void |
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134 | gdm_session_option_widget_init (GdmSessionOptionWidget *widget) |
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135 | { |
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136 | widget->priv = GDM_SESSION_OPTION_WIDGET_GET_PRIVATE (widget); |
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137 | |
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138 | add_available_sessions (widget); |
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139 | } |
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140 | |
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141 | static void |
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142 | gdm_session_option_widget_finalize (GObject *object) |
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143 | { |
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144 | GdmSessionOptionWidget *session_option_widget; |
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145 | |
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146 | g_return_if_fail (object != NULL); |
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147 | g_return_if_fail (GDM_IS_SESSION_OPTION_WIDGET (object)); |
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148 | |
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149 | session_option_widget = GDM_SESSION_OPTION_WIDGET (object); |
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150 | |
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151 | g_return_if_fail (session_option_widget->priv != NULL); |
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152 | |
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153 | G_OBJECT_CLASS (gdm_session_option_widget_parent_class)->finalize (object); |
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154 | } |
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155 | |
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156 | GtkWidget * |
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157 | gdm_session_option_widget_new (void) |
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158 | { |
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159 | GObject *object; |
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160 | |
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161 | object = g_object_new (GDM_TYPE_SESSION_OPTION_WIDGET, |
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162 | "label-text", _("_Sessions:"), |
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163 | "icon-name", "session-properties", |
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164 | NULL); |
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165 | |
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166 | return GTK_WIDGET (object); |
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167 | } |
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168 | |
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169 | char * |
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170 | gdm_session_option_widget_get_current_session (GdmSessionOptionWidget *widget) |
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171 | { |
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172 | char *active_item_id; |
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173 | |
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174 | active_item_id = gdm_option_widget_get_active_item (GDM_OPTION_WIDGET (widget)); |
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175 | if (active_item_id == NULL) { |
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176 | return NULL; |
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177 | } |
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178 | |
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179 | return active_item_id; |
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180 | } |
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181 | |
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182 | void |
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183 | gdm_session_option_widget_set_current_session (GdmSessionOptionWidget *widget, |
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184 | const char *session) |
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185 | { |
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186 | if (session == NULL) { |
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187 | gdm_option_widget_set_active_item (GDM_OPTION_WIDGET (widget), |
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188 | GDM_SESSION_OPTION_WIDGET_LAST_SESSION); |
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189 | } else if (gdm_option_widget_lookup_item (GDM_OPTION_WIDGET (widget), session, |
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190 | NULL, NULL, NULL)) { |
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191 | gdm_option_widget_set_active_item (GDM_OPTION_WIDGET (widget), session); |
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192 | } |
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193 | } |
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