[134] | 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) 2007 Ray Strode <rstrode@redhat.com> |
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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 | */ |
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| 21 | |
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| 22 | #include "config.h" |
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| 23 | |
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| 24 | #include <stdlib.h> |
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| 25 | #include <stdio.h> |
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| 26 | #include <unistd.h> |
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| 27 | #include <string.h> |
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| 28 | #include <errno.h> |
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| 29 | #include <dirent.h> |
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| 30 | #include <sys/stat.h> |
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| 31 | |
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| 32 | #include <glib.h> |
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| 33 | #include <glib/gi18n.h> |
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| 34 | #include <glib/gstdio.h> |
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| 35 | #include <gtk/gtk.h> |
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| 36 | |
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| 37 | #include <gconf/gconf-client.h> |
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| 38 | |
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| 39 | #include "gdm-user-manager.h" |
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| 40 | #include "gdm-user-chooser-widget.h" |
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| 41 | |
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| 42 | |
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| 43 | #define KEY_DISABLE_USER_LIST "/apps/gdm/simple-greeter/disable_user_list" |
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| 44 | |
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| 45 | enum { |
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| 46 | USER_NO_DISPLAY = 1 << 0, |
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| 47 | USER_ACCOUNT_DISABLED = 1 << 1, |
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| 48 | }; |
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| 49 | |
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| 50 | #define DEFAULT_USER_ICON "stock_person" |
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| 51 | |
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| 52 | #define GDM_USER_CHOOSER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_USER_CHOOSER_WIDGET, GdmUserChooserWidgetPrivate)) |
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| 53 | |
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| 54 | #define MAX_ICON_SIZE 128 |
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| 55 | |
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| 56 | struct GdmUserChooserWidgetPrivate |
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| 57 | { |
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| 58 | GdmUserManager *manager; |
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| 59 | GtkIconTheme *icon_theme; |
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| 60 | |
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| 61 | GdkPixbuf *logged_in_pixbuf; |
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| 62 | GdkPixbuf *stock_person_pixbuf; |
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| 63 | |
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| 64 | guint loaded : 1; |
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| 65 | guint show_user_other : 1; |
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| 66 | guint show_user_guest : 1; |
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| 67 | guint show_user_auto : 1; |
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| 68 | guint show_normal_users : 1; |
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| 69 | |
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| 70 | guint has_user_other : 1; |
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| 71 | |
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| 72 | guint load_idle_id; |
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| 73 | }; |
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| 74 | |
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| 75 | enum { |
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| 76 | PROP_0, |
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| 77 | PROP_SHOW_USER_GUEST, |
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| 78 | PROP_SHOW_USER_AUTO, |
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| 79 | PROP_SHOW_USER_OTHER, |
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| 80 | }; |
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| 81 | |
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| 82 | static void gdm_user_chooser_widget_class_init (GdmUserChooserWidgetClass *klass); |
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| 83 | static void gdm_user_chooser_widget_init (GdmUserChooserWidget *user_chooser_widget); |
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| 84 | static void gdm_user_chooser_widget_finalize (GObject *object); |
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| 85 | |
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| 86 | G_DEFINE_TYPE (GdmUserChooserWidget, gdm_user_chooser_widget, GDM_TYPE_CHOOSER_WIDGET) |
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| 87 | |
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| 88 | static void add_user_other (GdmUserChooserWidget *widget); |
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| 89 | static void remove_user_other (GdmUserChooserWidget *widget); |
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| 90 | |
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| 91 | static int |
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| 92 | get_font_height_for_widget (GtkWidget *widget) |
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| 93 | { |
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| 94 | PangoFontMetrics *metrics; |
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| 95 | PangoContext *context; |
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| 96 | int ascent; |
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| 97 | int descent; |
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| 98 | int height; |
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| 99 | |
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| 100 | gtk_widget_ensure_style (widget); |
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| 101 | context = gtk_widget_get_pango_context (widget); |
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| 102 | metrics = pango_context_get_metrics (context, |
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| 103 | widget->style->font_desc, |
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| 104 | pango_context_get_language (context)); |
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| 105 | |
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| 106 | ascent = pango_font_metrics_get_ascent (metrics); |
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| 107 | descent = pango_font_metrics_get_descent (metrics); |
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| 108 | height = PANGO_PIXELS (ascent + descent); |
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| 109 | pango_font_metrics_unref (metrics); |
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| 110 | return height; |
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| 111 | } |
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| 112 | |
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| 113 | static int |
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| 114 | get_icon_height_for_widget (GtkWidget *widget) |
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| 115 | { |
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| 116 | int font_height; |
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| 117 | int height; |
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| 118 | |
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| 119 | font_height = get_font_height_for_widget (widget); |
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| 120 | height = 3 * font_height; |
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| 121 | if (height > MAX_ICON_SIZE) { |
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| 122 | height = MAX_ICON_SIZE; |
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| 123 | } |
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| 124 | |
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| 125 | g_debug ("GdmUserChooserWidget: font height %d; using icon size %d", font_height, height); |
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| 126 | |
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| 127 | return height; |
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| 128 | } |
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| 129 | |
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| 130 | static void |
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| 131 | update_other_user_visibility (GdmUserChooserWidget *widget) |
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| 132 | { |
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| 133 | int number_of_users; |
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| 134 | |
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| 135 | if (!widget->priv->show_user_other) { |
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| 136 | if (widget->priv->has_user_other) { |
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| 137 | remove_user_other (widget); |
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| 138 | } |
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| 139 | |
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| 140 | return; |
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| 141 | } |
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| 142 | |
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| 143 | number_of_users = gdm_chooser_widget_get_number_of_items (GDM_CHOOSER_WIDGET (widget)); |
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| 144 | |
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| 145 | /* we hide the Other user if it's the last one, and we show it |
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| 146 | * if there's another user */ |
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| 147 | if (number_of_users == 1 && widget->priv->has_user_other) { |
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| 148 | remove_user_other (widget); |
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| 149 | } if (number_of_users >= 1 && !widget->priv->has_user_other) { |
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| 150 | add_user_other (widget); |
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| 151 | } |
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| 152 | } |
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| 153 | |
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| 154 | static void |
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| 155 | add_user_other (GdmUserChooserWidget *widget) |
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| 156 | { |
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| 157 | widget->priv->has_user_other = TRUE; |
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| 158 | gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget), |
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| 159 | GDM_USER_CHOOSER_USER_OTHER, |
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| 160 | NULL, |
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| 161 | /* translators: This option prompts |
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| 162 | * the user to type in a username |
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| 163 | * manually instead of choosing from |
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| 164 | * a list. |
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| 165 | */ |
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| 166 | C_("user", "Other..."), |
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| 167 | _("Choose a different account"), |
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| 168 | 0, |
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| 169 | FALSE, |
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| 170 | TRUE); |
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| 171 | } |
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| 172 | |
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| 173 | static void |
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| 174 | add_user_guest (GdmUserChooserWidget *widget) |
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| 175 | { |
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| 176 | gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget), |
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| 177 | GDM_USER_CHOOSER_USER_GUEST, |
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| 178 | widget->priv->stock_person_pixbuf, |
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| 179 | _("Guest"), |
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| 180 | _("Login as a temporary guest"), |
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| 181 | 0, |
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| 182 | FALSE, |
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| 183 | TRUE); |
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| 184 | update_other_user_visibility (widget); |
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| 185 | } |
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| 186 | |
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| 187 | static void |
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| 188 | add_user_auto (GdmUserChooserWidget *widget) |
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| 189 | { |
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| 190 | gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget), |
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| 191 | GDM_USER_CHOOSER_USER_AUTO, |
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| 192 | NULL, |
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| 193 | _("Automatic Login"), |
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| 194 | _("Automatically login to the system after selecting options"), |
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| 195 | 0, |
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| 196 | FALSE, |
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| 197 | TRUE); |
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| 198 | update_other_user_visibility (widget); |
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| 199 | } |
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| 200 | |
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| 201 | static void |
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| 202 | remove_user_other (GdmUserChooserWidget *widget) |
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| 203 | { |
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| 204 | widget->priv->has_user_other = FALSE; |
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| 205 | gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget), |
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| 206 | GDM_USER_CHOOSER_USER_OTHER); |
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| 207 | } |
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| 208 | |
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| 209 | static void |
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| 210 | remove_user_guest (GdmUserChooserWidget *widget) |
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| 211 | { |
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| 212 | gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget), |
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| 213 | GDM_USER_CHOOSER_USER_GUEST); |
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| 214 | update_other_user_visibility (widget); |
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| 215 | } |
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| 216 | |
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| 217 | static void |
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| 218 | remove_user_auto (GdmUserChooserWidget *widget) |
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| 219 | { |
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| 220 | gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget), |
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| 221 | GDM_USER_CHOOSER_USER_AUTO); |
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| 222 | update_other_user_visibility (widget); |
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| 223 | } |
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| 224 | |
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| 225 | void |
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| 226 | gdm_user_chooser_widget_set_show_user_other (GdmUserChooserWidget *widget, |
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| 227 | gboolean show_user) |
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| 228 | { |
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| 229 | g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget)); |
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| 230 | |
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| 231 | if (widget->priv->show_user_other != show_user) { |
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| 232 | widget->priv->show_user_other = show_user; |
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| 233 | update_other_user_visibility (widget); |
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| 234 | } |
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| 235 | } |
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| 236 | |
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| 237 | void |
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| 238 | gdm_user_chooser_widget_set_show_user_guest (GdmUserChooserWidget *widget, |
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| 239 | gboolean show_user) |
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| 240 | { |
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| 241 | g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget)); |
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| 242 | |
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| 243 | if (widget->priv->show_user_guest != show_user) { |
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| 244 | widget->priv->show_user_guest = show_user; |
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| 245 | if (show_user) { |
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| 246 | add_user_guest (widget); |
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| 247 | } else { |
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| 248 | remove_user_guest (widget); |
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| 249 | } |
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| 250 | } |
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| 251 | } |
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| 252 | |
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| 253 | void |
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| 254 | gdm_user_chooser_widget_set_show_user_auto (GdmUserChooserWidget *widget, |
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| 255 | gboolean show_user) |
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| 256 | { |
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| 257 | g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget)); |
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| 258 | |
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| 259 | if (widget->priv->show_user_auto != show_user) { |
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| 260 | widget->priv->show_user_auto = show_user; |
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| 261 | if (show_user) { |
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| 262 | add_user_auto (widget); |
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| 263 | } else { |
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| 264 | remove_user_auto (widget); |
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| 265 | } |
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| 266 | } |
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| 267 | } |
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| 268 | |
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| 269 | char * |
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| 270 | gdm_user_chooser_widget_get_chosen_user_name (GdmUserChooserWidget *widget) |
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| 271 | { |
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| 272 | g_return_val_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget), NULL); |
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| 273 | |
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| 274 | return gdm_chooser_widget_get_active_item (GDM_CHOOSER_WIDGET (widget)); |
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| 275 | } |
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| 276 | |
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| 277 | void |
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| 278 | gdm_user_chooser_widget_set_chosen_user_name (GdmUserChooserWidget *widget, |
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| 279 | const char *name) |
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| 280 | { |
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| 281 | g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget)); |
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| 282 | |
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| 283 | gdm_chooser_widget_set_active_item (GDM_CHOOSER_WIDGET (widget), name); |
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| 284 | } |
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| 285 | |
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| 286 | void |
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| 287 | gdm_user_chooser_widget_set_show_only_chosen (GdmUserChooserWidget *widget, |
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| 288 | gboolean show_only) { |
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| 289 | g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget)); |
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| 290 | |
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| 291 | gdm_chooser_widget_set_hide_inactive_items (GDM_CHOOSER_WIDGET (widget), |
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| 292 | show_only); |
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| 293 | |
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| 294 | } |
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| 295 | static void |
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| 296 | gdm_user_chooser_widget_set_property (GObject *object, |
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| 297 | guint prop_id, |
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| 298 | const GValue *value, |
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| 299 | GParamSpec *pspec) |
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| 300 | { |
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| 301 | GdmUserChooserWidget *self; |
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| 302 | |
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| 303 | self = GDM_USER_CHOOSER_WIDGET (object); |
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| 304 | |
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| 305 | switch (prop_id) { |
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| 306 | case PROP_SHOW_USER_AUTO: |
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| 307 | gdm_user_chooser_widget_set_show_user_auto (self, g_value_get_boolean (value)); |
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| 308 | break; |
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| 309 | case PROP_SHOW_USER_GUEST: |
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| 310 | gdm_user_chooser_widget_set_show_user_guest (self, g_value_get_boolean (value)); |
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| 311 | break; |
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| 312 | case PROP_SHOW_USER_OTHER: |
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| 313 | gdm_user_chooser_widget_set_show_user_other (self, g_value_get_boolean (value)); |
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| 314 | break; |
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| 315 | default: |
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| 316 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 317 | break; |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | static void |
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| 322 | gdm_user_chooser_widget_get_property (GObject *object, |
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| 323 | guint prop_id, |
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| 324 | GValue *value, |
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| 325 | GParamSpec *pspec) |
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| 326 | { |
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| 327 | GdmUserChooserWidget *self; |
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| 328 | |
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| 329 | self = GDM_USER_CHOOSER_WIDGET (object); |
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| 330 | |
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| 331 | switch (prop_id) { |
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| 332 | case PROP_SHOW_USER_AUTO: |
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| 333 | g_value_set_boolean (value, self->priv->show_user_auto); |
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| 334 | break; |
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| 335 | case PROP_SHOW_USER_GUEST: |
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| 336 | g_value_set_boolean (value, self->priv->show_user_guest); |
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| 337 | break; |
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| 338 | case PROP_SHOW_USER_OTHER: |
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| 339 | g_value_set_boolean (value, self->priv->show_user_other); |
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| 340 | break; |
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| 341 | default: |
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| 342 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 343 | break; |
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| 344 | } |
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| 345 | } |
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| 346 | |
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| 347 | static gboolean |
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| 348 | is_user_list_disabled (GdmUserChooserWidget *widget) |
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| 349 | { |
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| 350 | GConfClient *client; |
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| 351 | GError *error; |
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| 352 | gboolean result; |
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| 353 | |
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| 354 | client = gconf_client_get_default (); |
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| 355 | error = NULL; |
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| 356 | result = gconf_client_get_bool (client, KEY_DISABLE_USER_LIST, &error); |
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| 357 | if (error != NULL) { |
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| 358 | g_debug ("GdmUserChooserWidget: unable to get disable-user-list configuration: %s", error->message); |
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| 359 | g_error_free (error); |
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| 360 | } |
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| 361 | g_object_unref (client); |
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| 362 | |
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| 363 | return result; |
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| 364 | } |
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| 365 | |
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| 366 | static void |
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| 367 | add_user (GdmUserChooserWidget *widget, |
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| 368 | GdmUser *user) |
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| 369 | { |
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| 370 | GdkPixbuf *pixbuf; |
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| 371 | char *tooltip; |
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| 372 | gboolean is_logged_in; |
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| 373 | int size; |
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| 374 | |
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| 375 | if (!widget->priv->show_normal_users) { |
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| 376 | return; |
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| 377 | } |
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| 378 | |
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| 379 | size = get_icon_height_for_widget (GTK_WIDGET (widget)); |
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| 380 | pixbuf = gdm_user_render_icon (user, size); |
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| 381 | if (pixbuf == NULL && widget->priv->stock_person_pixbuf != NULL) { |
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| 382 | pixbuf = g_object_ref (widget->priv->stock_person_pixbuf); |
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| 383 | } |
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| 384 | |
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| 385 | tooltip = g_strdup_printf (_("Log in as %s"), |
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| 386 | gdm_user_get_user_name (user)); |
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| 387 | |
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| 388 | is_logged_in = gdm_user_get_num_sessions (user) > 0; |
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| 389 | |
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| 390 | g_debug ("GdmUserChooserWidget: User added name:%s logged-in:%d pixbuf:%p", |
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| 391 | gdm_user_get_user_name (user), |
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| 392 | is_logged_in, |
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| 393 | pixbuf); |
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| 394 | |
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| 395 | gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget), |
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| 396 | gdm_user_get_user_name (user), |
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| 397 | pixbuf, |
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| 398 | gdm_user_get_display_name (user), |
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| 399 | tooltip, |
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| 400 | gdm_user_get_login_frequency (user), |
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| 401 | is_logged_in, |
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| 402 | FALSE); |
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| 403 | g_free (tooltip); |
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| 404 | |
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| 405 | if (pixbuf != NULL) { |
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| 406 | g_object_unref (pixbuf); |
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| 407 | } |
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| 408 | |
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| 409 | update_other_user_visibility (widget); |
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| 410 | } |
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| 411 | |
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| 412 | static void |
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| 413 | on_user_added (GdmUserManager *manager, |
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| 414 | GdmUser *user, |
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| 415 | GdmUserChooserWidget *widget) |
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| 416 | { |
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| 417 | /* wait for all users to be loaded */ |
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| 418 | if (! widget->priv->loaded) { |
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| 419 | return; |
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| 420 | } |
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| 421 | add_user (widget, user); |
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| 422 | } |
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| 423 | |
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| 424 | static void |
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| 425 | on_user_removed (GdmUserManager *manager, |
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| 426 | GdmUser *user, |
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| 427 | GdmUserChooserWidget *widget) |
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| 428 | { |
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| 429 | const char *user_name; |
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| 430 | |
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| 431 | g_debug ("GdmUserChooserWidget: User removed: %s", gdm_user_get_user_name (user)); |
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| 432 | /* wait for all users to be loaded */ |
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| 433 | if (! widget->priv->loaded) { |
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| 434 | return; |
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| 435 | } |
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| 436 | |
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| 437 | user_name = gdm_user_get_user_name (user); |
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| 438 | |
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| 439 | gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget), |
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| 440 | user_name); |
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| 441 | |
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| 442 | update_other_user_visibility (widget); |
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| 443 | } |
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| 444 | |
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| 445 | static void |
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| 446 | on_user_is_logged_in_changed (GdmUserManager *manager, |
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| 447 | GdmUser *user, |
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| 448 | GdmUserChooserWidget *widget) |
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| 449 | { |
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| 450 | const char *user_name; |
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| 451 | gboolean is_logged_in; |
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| 452 | |
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| 453 | g_debug ("GdmUserChooserWidget: User logged in changed: %s", gdm_user_get_user_name (user)); |
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| 454 | |
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| 455 | user_name = gdm_user_get_user_name (user); |
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| 456 | is_logged_in = gdm_user_get_num_sessions (user) > 0; |
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| 457 | |
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| 458 | gdm_chooser_widget_set_item_in_use (GDM_CHOOSER_WIDGET (widget), |
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| 459 | user_name, |
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| 460 | is_logged_in); |
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| 461 | } |
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| 462 | |
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| 463 | static void |
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| 464 | on_user_login_frequency_changed (GdmUserManager *manager, |
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| 465 | GdmUser *user, |
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| 466 | GdmUserChooserWidget *widget) |
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| 467 | { |
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| 468 | const char *user_name; |
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| 469 | gulong freq; |
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| 470 | |
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| 471 | g_debug ("GdmUserChooserWidget: User login frequency changed: %s", gdm_user_get_user_name (user)); |
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| 472 | |
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| 473 | user_name = gdm_user_get_user_name (user); |
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| 474 | freq = gdm_user_get_login_frequency (user); |
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| 475 | |
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| 476 | gdm_chooser_widget_set_item_priority (GDM_CHOOSER_WIDGET (widget), |
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| 477 | user_name, |
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| 478 | freq); |
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| 479 | } |
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| 480 | |
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| 481 | static void |
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| 482 | on_users_loaded (GdmUserManager *manager, |
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| 483 | GdmUserChooserWidget *widget) |
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| 484 | { |
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| 485 | GSList *users; |
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| 486 | gboolean list_visible; |
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| 487 | |
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| 488 | g_debug ("GdmUserChooserWidget: Users loaded"); |
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| 489 | |
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| 490 | users = gdm_user_manager_list_users (manager); |
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| 491 | while (users != NULL) { |
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| 492 | add_user (widget, users->data); |
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| 493 | users = g_slist_delete_link (users, users); |
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| 494 | } |
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| 495 | |
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| 496 | g_object_get (G_OBJECT (widget), "list-visible", &list_visible, NULL); |
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| 497 | |
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| 498 | if (list_visible) { |
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| 499 | gtk_widget_grab_focus (GTK_WIDGET (widget)); |
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| 500 | } |
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| 501 | widget->priv->loaded = TRUE; |
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| 502 | |
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| 503 | gdm_chooser_widget_loaded (GDM_CHOOSER_WIDGET (widget)); |
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| 504 | } |
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| 505 | |
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| 506 | static gboolean |
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| 507 | load_users (GdmUserChooserWidget *widget) |
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| 508 | { |
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| 509 | |
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| 510 | if (widget->priv->show_normal_users) { |
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| 511 | widget->priv->manager = gdm_user_manager_ref_default (); |
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| 512 | g_signal_connect (widget->priv->manager, |
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| 513 | "user-added", |
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| 514 | G_CALLBACK (on_user_added), |
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| 515 | widget); |
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| 516 | g_signal_connect (widget->priv->manager, |
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| 517 | "user-removed", |
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| 518 | G_CALLBACK (on_user_removed), |
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| 519 | widget); |
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| 520 | g_signal_connect (widget->priv->manager, |
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| 521 | "users-loaded", |
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| 522 | G_CALLBACK (on_users_loaded), |
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| 523 | widget); |
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| 524 | g_signal_connect (widget->priv->manager, |
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| 525 | "user-is-logged-in-changed", |
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| 526 | G_CALLBACK (on_user_is_logged_in_changed), |
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| 527 | widget); |
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| 528 | g_signal_connect (widget->priv->manager, |
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| 529 | "user-login-frequency-changed", |
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| 530 | G_CALLBACK (on_user_login_frequency_changed), |
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| 531 | widget); |
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| 532 | } else { |
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| 533 | gdm_chooser_widget_loaded (GDM_CHOOSER_WIDGET (widget)); |
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| 534 | } |
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| 535 | |
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| 536 | widget->priv->load_idle_id = 0; |
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| 537 | |
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| 538 | return FALSE; |
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| 539 | } |
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| 540 | |
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| 541 | static GObject * |
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| 542 | gdm_user_chooser_widget_constructor (GType type, |
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| 543 | guint n_construct_properties, |
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| 544 | GObjectConstructParam *construct_properties) |
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| 545 | { |
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| 546 | GdmUserChooserWidget *widget; |
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| 547 | |
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| 548 | widget = GDM_USER_CHOOSER_WIDGET (G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->constructor (type, |
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| 549 | n_construct_properties, |
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| 550 | construct_properties)); |
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| 551 | |
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| 552 | widget->priv->has_user_other = FALSE; |
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| 553 | widget->priv->show_normal_users = !is_user_list_disabled (widget); |
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| 554 | |
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| 555 | widget->priv->load_idle_id = g_idle_add ((GSourceFunc)load_users, widget); |
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| 556 | |
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| 557 | return G_OBJECT (widget); |
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| 558 | } |
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| 559 | |
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| 560 | static void |
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| 561 | gdm_user_chooser_widget_dispose (GObject *object) |
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| 562 | { |
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| 563 | GdmUserChooserWidget *widget; |
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| 564 | |
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| 565 | widget = GDM_USER_CHOOSER_WIDGET (object); |
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| 566 | |
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| 567 | G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->dispose (object); |
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| 568 | |
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| 569 | if (widget->priv->load_idle_id > 0) { |
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| 570 | g_source_remove (widget->priv->load_idle_id); |
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| 571 | widget->priv->load_idle_id = 0; |
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| 572 | } |
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| 573 | |
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| 574 | if (widget->priv->logged_in_pixbuf != NULL) { |
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| 575 | g_object_unref (widget->priv->logged_in_pixbuf); |
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| 576 | widget->priv->logged_in_pixbuf = NULL; |
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| 577 | } |
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| 578 | |
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| 579 | if (widget->priv->stock_person_pixbuf != NULL) { |
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| 580 | g_object_unref (widget->priv->stock_person_pixbuf); |
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| 581 | widget->priv->stock_person_pixbuf = NULL; |
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| 582 | } |
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| 583 | } |
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| 584 | |
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| 585 | static void |
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| 586 | gdm_user_chooser_widget_class_init (GdmUserChooserWidgetClass *klass) |
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| 587 | { |
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| 588 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
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| 589 | |
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| 590 | object_class->get_property = gdm_user_chooser_widget_get_property; |
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| 591 | object_class->set_property = gdm_user_chooser_widget_set_property; |
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| 592 | object_class->constructor = gdm_user_chooser_widget_constructor; |
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| 593 | object_class->dispose = gdm_user_chooser_widget_dispose; |
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| 594 | object_class->finalize = gdm_user_chooser_widget_finalize; |
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| 595 | |
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| 596 | |
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| 597 | g_object_class_install_property (object_class, |
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| 598 | PROP_SHOW_USER_AUTO, |
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| 599 | g_param_spec_boolean ("show-user-auto", |
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| 600 | "show user auto", |
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| 601 | "show user auto", |
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| 602 | FALSE, |
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| 603 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); |
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| 604 | g_object_class_install_property (object_class, |
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| 605 | PROP_SHOW_USER_GUEST, |
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| 606 | g_param_spec_boolean ("show-user-guest", |
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| 607 | "show user guest", |
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| 608 | "show user guest", |
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| 609 | FALSE, |
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| 610 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); |
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| 611 | g_object_class_install_property (object_class, |
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| 612 | PROP_SHOW_USER_OTHER, |
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| 613 | g_param_spec_boolean ("show-user-other", |
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| 614 | "show user other", |
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| 615 | "show user other", |
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| 616 | TRUE, |
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| 617 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); |
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| 618 | |
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| 619 | g_type_class_add_private (klass, sizeof (GdmUserChooserWidgetPrivate)); |
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| 620 | } |
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| 621 | |
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| 622 | static GdkPixbuf * |
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| 623 | get_stock_person_pixbuf (GdmUserChooserWidget *widget) |
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| 624 | { |
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| 625 | GdkPixbuf *pixbuf; |
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| 626 | int size; |
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| 627 | |
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| 628 | size = get_icon_height_for_widget (GTK_WIDGET (widget)); |
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| 629 | |
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| 630 | pixbuf = gtk_icon_theme_load_icon (widget->priv->icon_theme, |
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| 631 | DEFAULT_USER_ICON, |
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| 632 | size, |
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| 633 | 0, |
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| 634 | NULL); |
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| 635 | |
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| 636 | return pixbuf; |
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| 637 | } |
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| 638 | |
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| 639 | static GdkPixbuf * |
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| 640 | get_logged_in_pixbuf (GdmUserChooserWidget *widget) |
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| 641 | { |
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| 642 | GdkPixbuf *pixbuf; |
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| 643 | int size; |
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| 644 | |
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| 645 | size = get_icon_height_for_widget (GTK_WIDGET (widget)); |
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| 646 | |
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| 647 | pixbuf = gtk_icon_theme_load_icon (widget->priv->icon_theme, |
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| 648 | "emblem-default", |
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| 649 | size / 3, |
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| 650 | 0, |
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| 651 | NULL); |
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| 652 | |
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| 653 | return pixbuf; |
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| 654 | } |
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| 655 | |
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| 656 | typedef struct { |
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| 657 | GdkPixbuf *old_icon; |
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| 658 | GdkPixbuf *new_icon; |
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| 659 | } IconUpdateData; |
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| 660 | |
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| 661 | static gboolean |
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| 662 | update_icons (GdmChooserWidget *widget, |
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| 663 | const char *id, |
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| 664 | GdkPixbuf **image, |
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| 665 | char **name, |
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| 666 | char **comment, |
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| 667 | gulong *priority, |
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| 668 | gboolean *is_in_use, |
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| 669 | gboolean *is_separate, |
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| 670 | IconUpdateData *data) |
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| 671 | { |
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| 672 | if (data->old_icon == *image) { |
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| 673 | *image = data->new_icon; |
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| 674 | return TRUE; |
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| 675 | } |
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| 676 | |
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| 677 | return FALSE; |
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| 678 | } |
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| 679 | |
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| 680 | static void |
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| 681 | load_icons (GdmUserChooserWidget *widget) |
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| 682 | { |
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| 683 | GdkPixbuf *old_pixbuf; |
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| 684 | IconUpdateData data; |
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| 685 | |
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| 686 | if (widget->priv->logged_in_pixbuf != NULL) { |
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| 687 | g_object_unref (widget->priv->logged_in_pixbuf); |
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| 688 | } |
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| 689 | widget->priv->logged_in_pixbuf = get_logged_in_pixbuf (widget); |
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| 690 | |
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| 691 | old_pixbuf = widget->priv->stock_person_pixbuf; |
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| 692 | widget->priv->stock_person_pixbuf = get_stock_person_pixbuf (widget); |
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| 693 | /* update the icons in the model */ |
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| 694 | data.old_icon = old_pixbuf; |
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| 695 | data.new_icon = widget->priv->stock_person_pixbuf; |
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| 696 | gdm_chooser_widget_update_foreach_item (GDM_CHOOSER_WIDGET (widget), |
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| 697 | (GdmChooserUpdateForeachFunc)update_icons, |
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| 698 | &data); |
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| 699 | if (old_pixbuf != NULL) { |
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| 700 | g_object_unref (old_pixbuf); |
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| 701 | } |
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| 702 | } |
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| 703 | |
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| 704 | static void |
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| 705 | on_icon_theme_changed (GtkIconTheme *icon_theme, |
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| 706 | GdmUserChooserWidget *widget) |
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| 707 | { |
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| 708 | g_debug ("GdmUserChooserWidget: icon theme changed"); |
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| 709 | load_icons (widget); |
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| 710 | } |
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| 711 | |
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| 712 | static void |
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| 713 | setup_icons (GdmUserChooserWidget *widget) |
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| 714 | { |
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| 715 | if (gtk_widget_has_screen (GTK_WIDGET (widget))) { |
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| 716 | widget->priv->icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (widget))); |
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| 717 | } else { |
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| 718 | widget->priv->icon_theme = gtk_icon_theme_get_default (); |
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| 719 | } |
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| 720 | |
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| 721 | if (widget->priv->icon_theme != NULL) { |
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| 722 | g_signal_connect (widget->priv->icon_theme, |
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| 723 | "changed", |
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| 724 | G_CALLBACK (on_icon_theme_changed), |
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| 725 | widget); |
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| 726 | } |
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| 727 | |
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| 728 | load_icons (widget); |
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| 729 | } |
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| 730 | |
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| 731 | static void |
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| 732 | gdm_user_chooser_widget_init (GdmUserChooserWidget *widget) |
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| 733 | { |
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| 734 | widget->priv = GDM_USER_CHOOSER_WIDGET_GET_PRIVATE (widget); |
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| 735 | |
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| 736 | gdm_chooser_widget_set_separator_position (GDM_CHOOSER_WIDGET (widget), |
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| 737 | GDM_CHOOSER_WIDGET_POSITION_BOTTOM); |
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| 738 | gdm_chooser_widget_set_in_use_message (GDM_CHOOSER_WIDGET (widget), |
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| 739 | _("Currently logged in")); |
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| 740 | |
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| 741 | setup_icons (widget); |
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| 742 | } |
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| 743 | |
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| 744 | static void |
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| 745 | gdm_user_chooser_widget_finalize (GObject *object) |
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| 746 | { |
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| 747 | GdmUserChooserWidget *widget; |
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| 748 | |
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| 749 | g_return_if_fail (object != NULL); |
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| 750 | g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (object)); |
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| 751 | |
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| 752 | widget = GDM_USER_CHOOSER_WIDGET (object); |
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| 753 | |
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| 754 | g_return_if_fail (widget->priv != NULL); |
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| 755 | |
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| 756 | G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->finalize (object); |
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| 757 | } |
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| 758 | |
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| 759 | GtkWidget * |
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| 760 | gdm_user_chooser_widget_new (void) |
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| 761 | { |
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| 762 | GObject *object; |
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| 763 | |
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| 764 | object = g_object_new (GDM_TYPE_USER_CHOOSER_WIDGET, |
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| 765 | NULL); |
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| 766 | |
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| 767 | return GTK_WIDGET (object); |
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| 768 | } |
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