724 lines
24 KiB
C
724 lines
24 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
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* Copyright (C) 2007 Ray Strode <rstrode@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <glib/gstdio.h>
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#include <gtk/gtk.h>
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#include <gconf/gconf-client.h>
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#include "gdm-user-manager.h"
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#include "gdm-user-chooser-widget.h"
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#define KEY_DISABLE_USER_LIST "/apps/gdm/simple-greeter/disable_user_list"
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enum {
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USER_NO_DISPLAY = 1 << 0,
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USER_ACCOUNT_DISABLED = 1 << 1,
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};
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#define DEFAULT_USER_ICON "stock_person"
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#define GDM_USER_CHOOSER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_USER_CHOOSER_WIDGET, GdmUserChooserWidgetPrivate))
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#define MAX_ICON_SIZE 128
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struct GdmUserChooserWidgetPrivate
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{
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GdmUserManager *manager;
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GtkIconTheme *icon_theme;
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GdkPixbuf *logged_in_pixbuf;
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GdkPixbuf *stock_person_pixbuf;
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guint loaded : 1;
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guint show_user_other : 1;
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guint show_user_guest : 1;
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guint show_user_auto : 1;
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guint show_normal_users : 1;
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guint load_idle_id;
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};
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enum {
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PROP_0,
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PROP_SHOW_USER_GUEST,
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PROP_SHOW_USER_AUTO,
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PROP_SHOW_USER_OTHER,
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};
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static void gdm_user_chooser_widget_class_init (GdmUserChooserWidgetClass *klass);
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static void gdm_user_chooser_widget_init (GdmUserChooserWidget *user_chooser_widget);
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static void gdm_user_chooser_widget_finalize (GObject *object);
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G_DEFINE_TYPE (GdmUserChooserWidget, gdm_user_chooser_widget, GDM_TYPE_CHOOSER_WIDGET)
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static int
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get_font_height_for_widget (GtkWidget *widget)
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{
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PangoFontMetrics *metrics;
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PangoContext *context;
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int ascent;
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int descent;
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int height;
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gtk_widget_ensure_style (widget);
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context = gtk_widget_get_pango_context (widget);
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metrics = pango_context_get_metrics (context,
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widget->style->font_desc,
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pango_context_get_language (context));
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ascent = pango_font_metrics_get_ascent (metrics);
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descent = pango_font_metrics_get_descent (metrics);
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height = PANGO_PIXELS (ascent + descent);
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pango_font_metrics_unref (metrics);
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return height;
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}
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static int
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get_icon_height_for_widget (GtkWidget *widget)
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{
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int font_height;
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int height;
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font_height = get_font_height_for_widget (widget);
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height = 3 * font_height;
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if (height > MAX_ICON_SIZE) {
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height = MAX_ICON_SIZE;
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}
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g_debug ("GdmUserChooserWidget: font height %d; using icon size %d", font_height, height);
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return height;
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}
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static void
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add_user_other (GdmUserChooserWidget *widget)
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{
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gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
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GDM_USER_CHOOSER_USER_OTHER,
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NULL,
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_("Other..."),
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_("Choose a different account"),
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0,
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FALSE,
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TRUE);
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}
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static void
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add_user_guest (GdmUserChooserWidget *widget)
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{
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gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
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GDM_USER_CHOOSER_USER_GUEST,
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widget->priv->stock_person_pixbuf,
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_("Guest"),
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_("Login as a temporary guest"),
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0,
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FALSE,
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TRUE);
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}
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static void
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add_user_auto (GdmUserChooserWidget *widget)
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{
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gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
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GDM_USER_CHOOSER_USER_AUTO,
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NULL,
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_("Automatic Login"),
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_("Automatically login to the system after selecting options"),
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0,
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FALSE,
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TRUE);
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}
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static void
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remove_user_other (GdmUserChooserWidget *widget)
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{
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gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
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GDM_USER_CHOOSER_USER_OTHER);
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}
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static void
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remove_user_guest (GdmUserChooserWidget *widget)
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{
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gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
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GDM_USER_CHOOSER_USER_GUEST);
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}
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static void
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remove_user_auto (GdmUserChooserWidget *widget)
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{
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gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
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GDM_USER_CHOOSER_USER_AUTO);
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}
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void
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gdm_user_chooser_widget_set_show_user_other (GdmUserChooserWidget *widget,
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gboolean show_user)
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{
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g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
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if (widget->priv->show_user_other != show_user) {
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widget->priv->show_user_other = show_user;
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if (show_user) {
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add_user_other (widget);
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} else {
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remove_user_other (widget);
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}
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}
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}
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void
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gdm_user_chooser_widget_set_show_user_guest (GdmUserChooserWidget *widget,
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gboolean show_user)
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{
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g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
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if (widget->priv->show_user_guest != show_user) {
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widget->priv->show_user_guest = show_user;
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if (show_user) {
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add_user_guest (widget);
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} else {
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remove_user_guest (widget);
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}
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}
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}
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void
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gdm_user_chooser_widget_set_show_user_auto (GdmUserChooserWidget *widget,
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gboolean show_user)
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{
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g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
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if (widget->priv->show_user_auto != show_user) {
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widget->priv->show_user_auto = show_user;
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if (show_user) {
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add_user_auto (widget);
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} else {
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remove_user_auto (widget);
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}
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}
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}
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char *
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gdm_user_chooser_widget_get_chosen_user_name (GdmUserChooserWidget *widget)
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{
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g_return_val_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget), NULL);
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return gdm_chooser_widget_get_active_item (GDM_CHOOSER_WIDGET (widget));
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}
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void
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gdm_user_chooser_widget_set_chosen_user_name (GdmUserChooserWidget *widget,
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const char *name)
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{
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g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
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gdm_chooser_widget_set_active_item (GDM_CHOOSER_WIDGET (widget), name);
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}
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void
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gdm_user_chooser_widget_set_show_only_chosen (GdmUserChooserWidget *widget,
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gboolean show_only) {
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g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
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gdm_chooser_widget_set_hide_inactive_items (GDM_CHOOSER_WIDGET (widget),
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show_only);
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}
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static void
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gdm_user_chooser_widget_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GdmUserChooserWidget *self;
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self = GDM_USER_CHOOSER_WIDGET (object);
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switch (prop_id) {
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case PROP_SHOW_USER_AUTO:
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gdm_user_chooser_widget_set_show_user_auto (self, g_value_get_boolean (value));
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break;
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case PROP_SHOW_USER_GUEST:
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gdm_user_chooser_widget_set_show_user_guest (self, g_value_get_boolean (value));
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break;
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case PROP_SHOW_USER_OTHER:
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gdm_user_chooser_widget_set_show_user_other (self, g_value_get_boolean (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gdm_user_chooser_widget_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GdmUserChooserWidget *self;
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self = GDM_USER_CHOOSER_WIDGET (object);
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switch (prop_id) {
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case PROP_SHOW_USER_AUTO:
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g_value_set_boolean (value, self->priv->show_user_auto);
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break;
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case PROP_SHOW_USER_GUEST:
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g_value_set_boolean (value, self->priv->show_user_guest);
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break;
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case PROP_SHOW_USER_OTHER:
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g_value_set_boolean (value, self->priv->show_user_other);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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is_user_list_disabled (GdmUserChooserWidget *widget)
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{
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GConfClient *client;
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GError *error;
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gboolean result;
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client = gconf_client_get_default ();
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error = NULL;
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result = gconf_client_get_bool (client, KEY_DISABLE_USER_LIST, &error);
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if (error != NULL) {
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g_debug ("GdmUserChooserWidget: unable to get disable-user-list configuration: %s", error->message);
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g_error_free (error);
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}
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g_object_unref (client);
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return result;
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}
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static void
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add_user (GdmUserChooserWidget *widget,
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GdmUser *user)
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{
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GdkPixbuf *pixbuf;
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char *tooltip;
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gboolean is_logged_in;
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int size;
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if (!widget->priv->show_normal_users) {
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return;
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}
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size = get_icon_height_for_widget (widget);
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pixbuf = gdm_user_render_icon (user, size);
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if (pixbuf == NULL && widget->priv->stock_person_pixbuf != NULL) {
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pixbuf = g_object_ref (widget->priv->stock_person_pixbuf);
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}
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tooltip = g_strdup_printf (_("Log in as %s"),
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gdm_user_get_user_name (user));
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is_logged_in = gdm_user_get_num_sessions (user) > 0;
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g_debug ("GdmUserChooserWidget: User added name:%s logged-in:%d pixbuf:%p",
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gdm_user_get_user_name (user),
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is_logged_in,
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pixbuf);
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gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
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gdm_user_get_user_name (user),
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pixbuf,
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gdm_user_get_real_name (user),
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tooltip,
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gdm_user_get_login_frequency (user),
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is_logged_in,
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FALSE);
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g_free (tooltip);
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if (pixbuf != NULL) {
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g_object_unref (pixbuf);
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}
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}
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static void
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on_user_added (GdmUserManager *manager,
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GdmUser *user,
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GdmUserChooserWidget *widget)
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{
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/* wait for all users to be loaded */
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if (! widget->priv->loaded) {
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return;
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}
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add_user (widget, user);
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}
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static void
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on_user_removed (GdmUserManager *manager,
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GdmUser *user,
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GdmUserChooserWidget *widget)
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{
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const char *user_name;
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g_debug ("GdmUserChooserWidget: User removed: %s", gdm_user_get_user_name (user));
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/* wait for all users to be loaded */
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if (! widget->priv->loaded) {
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return;
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}
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user_name = gdm_user_get_user_name (user);
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gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
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user_name);
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}
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static void
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on_user_is_logged_in_changed (GdmUserManager *manager,
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GdmUser *user,
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GdmUserChooserWidget *widget)
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{
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const char *user_name;
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gboolean is_logged_in;
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g_debug ("GdmUserChooserWidget: User logged in changed: %s", gdm_user_get_user_name (user));
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user_name = gdm_user_get_user_name (user);
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is_logged_in = gdm_user_get_num_sessions (user) > 0;
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gdm_chooser_widget_set_item_in_use (GDM_CHOOSER_WIDGET (widget),
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user_name,
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is_logged_in);
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}
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static void
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on_user_login_frequency_changed (GdmUserManager *manager,
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GdmUser *user,
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GdmUserChooserWidget *widget)
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{
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const char *user_name;
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gulong freq;
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g_debug ("GdmUserChooserWidget: User login frequency changed: %s", gdm_user_get_user_name (user));
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user_name = gdm_user_get_user_name (user);
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freq = gdm_user_get_login_frequency (user);
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gdm_chooser_widget_set_item_priority (GDM_CHOOSER_WIDGET (widget),
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user_name,
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freq);
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}
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static void
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on_users_loaded (GdmUserManager *manager,
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GdmUserChooserWidget *widget)
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{
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GSList *users;
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widget->priv->loaded = TRUE;
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g_debug ("GdmUserChooserWidget: Users loaded");
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users = gdm_user_manager_list_users (manager);
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while (users != NULL) {
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add_user (widget, users->data);
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users = g_slist_delete_link (users, users);
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}
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gtk_widget_grab_focus (GTK_WIDGET (widget));
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gdm_chooser_widget_loaded (GDM_CHOOSER_WIDGET (widget));
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}
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static gboolean
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load_users (GdmUserChooserWidget *widget)
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{
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if (widget->priv->show_normal_users) {
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widget->priv->manager = gdm_user_manager_ref_default ();
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g_signal_connect (widget->priv->manager,
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"user-added",
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G_CALLBACK (on_user_added),
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widget);
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g_signal_connect (widget->priv->manager,
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"user-removed",
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G_CALLBACK (on_user_removed),
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widget);
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g_signal_connect (widget->priv->manager,
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"users-loaded",
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G_CALLBACK (on_users_loaded),
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widget);
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g_signal_connect (widget->priv->manager,
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"user-is-logged-in-changed",
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G_CALLBACK (on_user_is_logged_in_changed),
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widget);
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g_signal_connect (widget->priv->manager,
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"user-login-frequency-changed",
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G_CALLBACK (on_user_login_frequency_changed),
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widget);
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} else {
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gdm_chooser_widget_loaded (GDM_CHOOSER_WIDGET (widget));
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}
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widget->priv->load_idle_id = 0;
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return FALSE;
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}
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static GObject *
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gdm_user_chooser_widget_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_properties)
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{
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GdmUserChooserWidget *widget;
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widget = GDM_USER_CHOOSER_WIDGET (G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->constructor (type,
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n_construct_properties,
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construct_properties));
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widget->priv->show_normal_users = !is_user_list_disabled (widget);
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widget->priv->load_idle_id = g_idle_add ((GSourceFunc)load_users, widget);
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return G_OBJECT (widget);
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}
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|
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static void
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gdm_user_chooser_widget_dispose (GObject *object)
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{
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GdmUserChooserWidget *widget;
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widget = GDM_USER_CHOOSER_WIDGET (object);
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|
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G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->dispose (object);
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if (widget->priv->load_idle_id > 0) {
|
|
g_source_remove (widget->priv->load_idle_id);
|
|
widget->priv->load_idle_id = 0;
|
|
}
|
|
|
|
if (widget->priv->logged_in_pixbuf != NULL) {
|
|
g_object_unref (widget->priv->logged_in_pixbuf);
|
|
widget->priv->logged_in_pixbuf = NULL;
|
|
}
|
|
|
|
if (widget->priv->stock_person_pixbuf != NULL) {
|
|
g_object_unref (widget->priv->stock_person_pixbuf);
|
|
widget->priv->stock_person_pixbuf = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdm_user_chooser_widget_class_init (GdmUserChooserWidgetClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
object_class->get_property = gdm_user_chooser_widget_get_property;
|
|
object_class->set_property = gdm_user_chooser_widget_set_property;
|
|
object_class->constructor = gdm_user_chooser_widget_constructor;
|
|
object_class->dispose = gdm_user_chooser_widget_dispose;
|
|
object_class->finalize = gdm_user_chooser_widget_finalize;
|
|
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_SHOW_USER_AUTO,
|
|
g_param_spec_boolean ("show-user-auto",
|
|
"show user auto",
|
|
"show user auto",
|
|
FALSE,
|
|
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
|
|
g_object_class_install_property (object_class,
|
|
PROP_SHOW_USER_GUEST,
|
|
g_param_spec_boolean ("show-user-guest",
|
|
"show user guest",
|
|
"show user guest",
|
|
FALSE,
|
|
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
|
|
g_object_class_install_property (object_class,
|
|
PROP_SHOW_USER_OTHER,
|
|
g_param_spec_boolean ("show-user-other",
|
|
"show user other",
|
|
"show user other",
|
|
TRUE,
|
|
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
|
|
|
|
g_type_class_add_private (klass, sizeof (GdmUserChooserWidgetPrivate));
|
|
}
|
|
|
|
static GdkPixbuf *
|
|
get_stock_person_pixbuf (GdmUserChooserWidget *widget)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
int size;
|
|
|
|
size = get_icon_height_for_widget (widget);
|
|
|
|
pixbuf = gtk_icon_theme_load_icon (widget->priv->icon_theme,
|
|
DEFAULT_USER_ICON,
|
|
size,
|
|
0,
|
|
NULL);
|
|
|
|
return pixbuf;
|
|
}
|
|
|
|
static GdkPixbuf *
|
|
get_logged_in_pixbuf (GdmUserChooserWidget *widget)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
int size;
|
|
|
|
size = get_icon_height_for_widget (widget);
|
|
|
|
pixbuf = gtk_icon_theme_load_icon (widget->priv->icon_theme,
|
|
"emblem-default",
|
|
size / 3,
|
|
0,
|
|
NULL);
|
|
|
|
return pixbuf;
|
|
}
|
|
|
|
typedef struct {
|
|
GdkPixbuf *old_icon;
|
|
GdkPixbuf *new_icon;
|
|
} IconUpdateData;
|
|
|
|
static gboolean
|
|
update_icons (GdmChooserWidget *widget,
|
|
const char *id,
|
|
GdkPixbuf **image,
|
|
char **name,
|
|
char **comment,
|
|
gulong *priority,
|
|
gboolean *is_in_use,
|
|
gboolean *is_separate,
|
|
IconUpdateData *data)
|
|
{
|
|
if (data->old_icon == *image) {
|
|
*image = data->new_icon;
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
load_icons (GdmUserChooserWidget *widget)
|
|
{
|
|
GdkPixbuf *old_pixbuf;
|
|
IconUpdateData data;
|
|
|
|
if (widget->priv->logged_in_pixbuf != NULL) {
|
|
g_object_unref (widget->priv->logged_in_pixbuf);
|
|
}
|
|
widget->priv->logged_in_pixbuf = get_logged_in_pixbuf (widget);
|
|
|
|
old_pixbuf = widget->priv->stock_person_pixbuf;
|
|
widget->priv->stock_person_pixbuf = get_stock_person_pixbuf (widget);
|
|
/* update the icons in the model */
|
|
data.old_icon = old_pixbuf;
|
|
data.new_icon = widget->priv->stock_person_pixbuf;
|
|
gdm_chooser_widget_update_foreach_item (GDM_CHOOSER_WIDGET (widget),
|
|
(GdmChooserUpdateForeachFunc)update_icons,
|
|
&data);
|
|
if (old_pixbuf != NULL) {
|
|
g_object_unref (old_pixbuf);
|
|
}
|
|
}
|
|
|
|
static void
|
|
on_icon_theme_changed (GtkIconTheme *icon_theme,
|
|
GdmUserChooserWidget *widget)
|
|
{
|
|
g_debug ("GdmUserChooserWidget: icon theme changed");
|
|
load_icons (widget);
|
|
}
|
|
|
|
static void
|
|
setup_icons (GdmUserChooserWidget *widget)
|
|
{
|
|
if (gtk_widget_has_screen (GTK_WIDGET (widget))) {
|
|
widget->priv->icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (widget)));
|
|
} else {
|
|
widget->priv->icon_theme = gtk_icon_theme_get_default ();
|
|
}
|
|
|
|
if (widget->priv->icon_theme != NULL) {
|
|
g_signal_connect (widget->priv->icon_theme,
|
|
"changed",
|
|
G_CALLBACK (on_icon_theme_changed),
|
|
widget);
|
|
}
|
|
|
|
load_icons (widget);
|
|
}
|
|
|
|
static void
|
|
gdm_user_chooser_widget_init (GdmUserChooserWidget *widget)
|
|
{
|
|
widget->priv = GDM_USER_CHOOSER_WIDGET_GET_PRIVATE (widget);
|
|
|
|
gdm_chooser_widget_set_separator_position (GDM_CHOOSER_WIDGET (widget),
|
|
GDM_CHOOSER_WIDGET_POSITION_BOTTOM);
|
|
gdm_chooser_widget_set_in_use_message (GDM_CHOOSER_WIDGET (widget),
|
|
_("Currently logged in"));
|
|
|
|
setup_icons (widget);
|
|
}
|
|
|
|
static void
|
|
gdm_user_chooser_widget_finalize (GObject *object)
|
|
{
|
|
GdmUserChooserWidget *widget;
|
|
|
|
g_return_if_fail (object != NULL);
|
|
g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (object));
|
|
|
|
widget = GDM_USER_CHOOSER_WIDGET (object);
|
|
|
|
g_return_if_fail (widget->priv != NULL);
|
|
|
|
G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->finalize (object);
|
|
}
|
|
|
|
GtkWidget *
|
|
gdm_user_chooser_widget_new (void)
|
|
{
|
|
GObject *object;
|
|
|
|
object = g_object_new (GDM_TYPE_USER_CHOOSER_WIDGET,
|
|
NULL);
|
|
|
|
return GTK_WIDGET (object);
|
|
}
|