gdm r5662 - in trunk: . gui/simple-greeter
- From: halfline svn gnome org
- To: svn-commits-list gnome org
- Subject: gdm r5662 - in trunk: . gui/simple-greeter
- Date: Thu, 31 Jan 2008 22:05:20 +0000 (GMT)
Author: halfline
Date: Thu Jan 31 22:05:20 2008
New Revision: 5662
URL: http://svn.gnome.org/viewvc/gdm?rev=5662&view=rev
Log:
2008-01-31 Ray Strode <rstrode redhat com>
* gui/simple-greeter/gdm-recent-option-widget.[ch]:
New subclass of gdm-option-widget that pulls from
gconf and restrains its size to a fixed number of
items
Added:
trunk/gui/simple-greeter/gdm-recent-option-widget.c
trunk/gui/simple-greeter/gdm-recent-option-widget.h
Modified:
trunk/ChangeLog
Added: trunk/gui/simple-greeter/gdm-recent-option-widget.c
==============================================================================
--- (empty file)
+++ trunk/gui/simple-greeter/gdm-recent-option-widget.c Thu Jan 31 22:05:20 2008
@@ -0,0 +1,369 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Written by: Ray Strode <rstrode redhat com>
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <dirent.h>
+#include <sys/stat.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+#include <gtk/gtk.h>
+
+#include <gconf/gconf-client.h>
+
+#include "gdm-recent-option-widget.h"
+
+#define GDM_RECENT_OPTION_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_RECENT_OPTION_WIDGET, GdmRecentOptionWidgetPrivate))
+
+struct GdmRecentOptionWidgetPrivate
+{
+ GConfClient *gconf_client;
+ char *gconf_key;
+ guint notification_id;
+ GdmRecentOptionLookupItemFunc lookup_item_func;
+
+ int max_item_count;
+};
+
+enum {
+ PROP_0,
+ PROP_MAX_ITEM_COUNT,
+};
+
+enum {
+ NUMBER_OF_SIGNALS
+};
+
+static void gdm_recent_option_widget_class_init (GdmRecentOptionWidgetClass *klass);
+static void gdm_recent_option_widget_init (GdmRecentOptionWidget *option_widget);
+static void gdm_recent_option_widget_finalize (GObject *object);
+
+G_DEFINE_TYPE (GdmRecentOptionWidget, gdm_recent_option_widget, GDM_TYPE_OPTION_WIDGET)
+
+static GSList *
+gdm_recent_option_widget_get_list_from_gconf (GdmRecentOptionWidget *widget)
+{
+ GConfValue *value;
+ GSList *value_list;
+ GSList *list;
+ GSList *tmp;
+ GError *lookup_error;
+
+ lookup_error = NULL;
+ value = gconf_client_get (widget->priv->gconf_client,
+ widget->priv->gconf_key,
+ &lookup_error);
+
+ if (lookup_error != NULL) {
+ g_warning ("could not get gconf key '%s': %s",
+ widget->priv->gconf_key,
+ lookup_error->message);
+ g_error_free (lookup_error);
+ return NULL;
+ }
+
+ if (value == NULL) {
+ g_warning ("gconf key '%s' is unset",
+ widget->priv->gconf_key);
+ return NULL;
+ }
+
+ if (value->type != GCONF_VALUE_LIST ||
+ gconf_value_get_list_type (value) != GCONF_VALUE_STRING) {
+ g_warning ("gconf key is not a list of strings");
+ return NULL;
+ }
+
+ value_list = gconf_value_get_list (value);
+
+ list = NULL;
+ for (tmp = value_list; tmp != NULL; tmp = tmp->next) {
+ const char *id;
+
+ id = gconf_value_get_string ((GConfValue *)tmp->data);
+
+ list = g_slist_prepend (list, g_strdup (id));
+ }
+ list = g_slist_reverse (list);
+
+ gconf_value_free (value);
+
+ return list;
+}
+
+static GSList *
+truncate_list (GSList *list,
+ int size)
+{
+ GSList *tmp;
+ GSList *next_node;
+
+ tmp = g_slist_nth (list, size);
+ do {
+ next_node = tmp->next;
+
+ g_free (tmp->data);
+ list = g_slist_delete_link (list, tmp);
+ tmp = next_node;
+ } while (tmp != NULL);
+
+ return list;
+}
+
+static void
+gdm_recent_option_widget_sync_items_from_gconf (GdmRecentOptionWidget *widget)
+{
+ GSList *list;
+ GSList *tmp;
+ gboolean default_is_set;
+
+ list = gdm_recent_option_widget_get_list_from_gconf (widget);
+
+ if (widget->priv->max_item_count > 0 && g_slist_length (list) > widget->priv->max_item_count) {
+ list = truncate_list (list, widget->priv->max_item_count);
+ gconf_client_set_list (widget->priv->gconf_client,
+ widget->priv->gconf_key,
+ GCONF_VALUE_STRING, list, NULL);
+ g_slist_foreach (list, (GFunc) g_free, NULL);
+ g_slist_free (list);
+
+ list = gdm_recent_option_widget_get_list_from_gconf (widget);
+ }
+
+ gdm_option_widget_remove_all_items (GDM_OPTION_WIDGET (widget));
+ default_is_set = FALSE;
+
+ for (tmp = list; tmp != NULL; tmp = tmp->next) {
+ const char *id;
+ char *name;
+ char *comment;
+
+ id = (char *) tmp->data;
+
+ if (widget->priv->lookup_item_func (widget, id, &name, &comment)) {
+ gdm_option_widget_add_item (GDM_OPTION_WIDGET (widget),
+ id, name, comment, FALSE);
+ if (!default_is_set) {
+ gdm_option_widget_set_active_item (GDM_OPTION_WIDGET (widget),
+ id);
+ default_is_set = TRUE;
+ }
+
+ g_free (name);
+ g_free (comment);
+ }
+ }
+
+ g_slist_foreach (list, (GFunc) g_free, NULL);
+ g_slist_free (list);
+}
+
+static void
+gdm_recent_option_widget_notify_func (GConfClient *client,
+ guint connection_id,
+ GConfEntry *entry,
+ gpointer user_data)
+{
+ gdm_recent_option_widget_sync_items_from_gconf (GDM_RECENT_OPTION_WIDGET (user_data));
+}
+
+gboolean
+gdm_recent_option_widget_set_gconf_key (GdmRecentOptionWidget *widget,
+ const char *gconf_key,
+ GdmRecentOptionLookupItemFunc lookup_item_func,
+ GError **error)
+{
+ GError *notify_error;
+
+ if (widget->priv->gconf_key != NULL &&
+ strcmp (widget->priv->gconf_key, gconf_key) == 0) {
+ return TRUE;
+ }
+
+ if (widget->priv->notification_id != 0) {
+ gconf_client_notify_remove (widget->priv->gconf_client,
+ widget->priv->notification_id);
+
+ widget->priv->notification_id = 0;
+ }
+
+ g_free (widget->priv->gconf_key);
+ widget->priv->gconf_key = g_strdup (gconf_key);
+
+ widget->priv->lookup_item_func = lookup_item_func;
+
+ gdm_recent_option_widget_sync_items_from_gconf (widget);
+
+ notify_error = NULL;
+ widget->priv->notification_id = gconf_client_notify_add (widget->priv->gconf_client,
+ gconf_key,
+ (GConfClientNotifyFunc)
+ gdm_recent_option_widget_notify_func,
+ widget, NULL, ¬ify_error);
+ if (notify_error != NULL) {
+ g_propagate_error (error, notify_error);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+gdm_recent_option_widget_dispose (GObject *object)
+{
+ GdmRecentOptionWidget *widget;
+
+ widget = GDM_RECENT_OPTION_WIDGET (object);
+
+ G_OBJECT_CLASS (gdm_recent_option_widget_parent_class)->dispose (object);
+}
+
+static void
+gdm_recent_option_widget_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GdmRecentOptionWidget *self;
+
+ self = GDM_RECENT_OPTION_WIDGET (object);
+
+ switch (prop_id) {
+ case PROP_MAX_ITEM_COUNT:
+ self->priv->max_item_count = g_value_get_int (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gdm_recent_option_widget_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GdmRecentOptionWidget *self;
+
+ self = GDM_RECENT_OPTION_WIDGET (object);
+
+ switch (prop_id) {
+ case PROP_MAX_ITEM_COUNT:
+ g_value_set_int (value,
+ self->priv->max_item_count);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gdm_recent_option_widget_class_init (GdmRecentOptionWidgetClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->get_property = gdm_recent_option_widget_get_property;
+ object_class->set_property = gdm_recent_option_widget_set_property;
+ object_class->dispose = gdm_recent_option_widget_dispose;
+ object_class->finalize = gdm_recent_option_widget_finalize;
+
+ g_object_class_install_property (object_class,
+ PROP_MAX_ITEM_COUNT,
+ g_param_spec_int ("max-item-count",
+ _("Max Item Count"),
+ _("The maximum number of items to keep around in the list"),
+ 0, G_MAXINT, 5,
+ (G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT)));
+
+
+ g_type_class_add_private (klass, sizeof (GdmRecentOptionWidgetPrivate));
+}
+
+static void
+gdm_recent_option_widget_init (GdmRecentOptionWidget *widget)
+{
+ widget->priv = GDM_RECENT_OPTION_WIDGET_GET_PRIVATE (widget);
+
+ widget->priv->gconf_client = gconf_client_get_default ();
+ widget->priv->max_item_count = 5;
+}
+
+static void
+gdm_recent_option_widget_finalize (GObject *object)
+{
+ GdmRecentOptionWidget *widget;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GDM_IS_OPTION_WIDGET (object));
+
+ widget = GDM_RECENT_OPTION_WIDGET (object);
+
+ g_return_if_fail (widget->priv != NULL);
+
+ g_object_unref (widget->priv->gconf_client);
+
+ G_OBJECT_CLASS (gdm_recent_option_widget_parent_class)->finalize (object);
+}
+
+GtkWidget *
+gdm_recent_option_widget_new (const char *label_text,
+ int max_item_count)
+{
+ GObject *object;
+
+ object = g_object_new (GDM_TYPE_RECENT_OPTION_WIDGET,
+ "label-text", label_text,
+ "max-item-count", max_item_count,
+ NULL);
+
+ return GTK_WIDGET (object);
+}
+
+void
+gdm_recent_option_widget_add_item (GdmRecentOptionWidget *widget,
+ const char *id)
+{
+ GSList *list;
+
+ list = gdm_recent_option_widget_get_list_from_gconf (widget);
+
+ list = g_slist_prepend (list, g_strdup (id));
+
+ gconf_client_set_list (widget->priv->gconf_client,
+ widget->priv->gconf_key,
+ GCONF_VALUE_STRING, list, NULL);
+
+ g_slist_foreach (list, (GFunc) g_free, NULL);
+ g_slist_free (list);
+
+ gdm_recent_option_widget_sync_items_from_gconf (widget);
+}
Added: trunk/gui/simple-greeter/gdm-recent-option-widget.h
==============================================================================
--- (empty file)
+++ trunk/gui/simple-greeter/gdm-recent-option-widget.h Thu Jan 31 22:05:20 2008
@@ -0,0 +1,69 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Written by: Ray Strode <rstrode redhat com>
+ */
+
+#ifndef __GDM_RECENT_OPTION_WIDGET_H
+#define __GDM_RECENT_OPTION_WIDGET_H
+
+#include <glib-object.h>
+
+#include "gdm-option-widget.h"
+
+G_BEGIN_DECLS
+
+#define GDM_TYPE_RECENT_OPTION_WIDGET (gdm_recent_option_widget_get_type ())
+#define GDM_RECENT_OPTION_WIDGET(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDM_TYPE_RECENT_OPTION_WIDGET, GdmRecentOptionWidget))
+#define GDM_RECENT_OPTION_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GDM_TYPE_RECENT_OPTION_WIDGET, GdmRecentOptionWidgetClass))
+#define GDM_IS_RECENT_OPTION_WIDGET(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDM_TYPE_RECENT_OPTION_WIDGET))
+#define GDM_IS_RECENT_OPTION_WIDGET_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GDM_TYPE_RECENT_OPTION_WIDGET))
+#define GDM_RECENT_OPTION_WIDGET_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDM_TYPE_RECENT_OPTION_WIDGET, GdmRecentOptionWidgetClass))
+
+typedef struct GdmRecentOptionWidgetPrivate GdmRecentOptionWidgetPrivate;
+
+typedef struct
+{
+ GdmOptionWidget parent;
+ GdmRecentOptionWidgetPrivate *priv;
+} GdmRecentOptionWidget;
+
+typedef struct
+{
+ GdmOptionWidgetClass parent_class;
+} GdmRecentOptionWidgetClass;
+
+typedef gboolean (* GdmRecentOptionLookupItemFunc) (GdmRecentOptionWidget *widget,
+ const char *id,
+ char **name,
+ char **comment);
+
+
+GType gdm_recent_option_widget_get_type (void);
+GtkWidget * gdm_recent_option_widget_new (const char *label_text,
+ int max_item_count);
+gboolean gdm_recent_option_widget_set_gconf_key (GdmRecentOptionWidget *widget,
+ const char *gconf_key,
+ GdmRecentOptionLookupItemFunc func,
+ GError **error);
+void gdm_recent_option_widget_add_item (GdmRecentOptionWidget *widget,
+ const char *id);
+
+G_END_DECLS
+
+#endif /* __GDM_RECENT_OPTION_WIDGET_H */
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