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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-online-button.h"
#include <glib/gi18n.h>
#define E_ONLINE_BUTTON_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_ONLINE_BUTTON, EOnlineButtonPrivate))
#define ONLINE_TOOLTIP \
_("Evolution is currently online. Click this button to work offline.")
#define OFFLINE_TOOLTIP \
_("Evolution is currently offline. Click this button to work online.")
#define NETWORK_UNAVAILABLE_TOOLTIP \
_("Evolution is currently offline because the network is unavailable.")
struct _EOnlineButtonPrivate {
GtkWidget *image;
gboolean online;
};
enum {
PROP_0,
PROP_ONLINE
};
G_DEFINE_TYPE (
EOnlineButton,
e_online_button,
GTK_TYPE_BUTTON)
static void
online_button_update_tooltip (EOnlineButton *button)
{
const gchar *tooltip;
if (e_online_button_get_online (button))
tooltip = ONLINE_TOOLTIP;
else if (gtk_widget_get_sensitive (GTK_WIDGET (button)))
tooltip = OFFLINE_TOOLTIP;
else
tooltip = NETWORK_UNAVAILABLE_TOOLTIP;
gtk_widget_set_tooltip_text (GTK_WIDGET (button), tooltip);
}
static void
online_button_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_ONLINE:
e_online_button_set_online (
E_ONLINE_BUTTON (object),
g_value_get_boolean (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
online_button_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_ONLINE:
g_value_set_boolean (
value, e_online_button_get_online (
E_ONLINE_BUTTON (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
online_button_dispose (GObject *object)
{
EOnlineButtonPrivate *priv;
priv = E_ONLINE_BUTTON_GET_PRIVATE (object);
if (priv->image != NULL) {
g_object_unref (priv->image);
priv->image = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_online_button_parent_class)->dispose (object);
}
static void
e_online_button_class_init (EOnlineButtonClass *class)
{
GObjectClass *object_class;
g_type_class_add_private (class, sizeof (EOnlineButtonPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = online_button_set_property;
object_class->get_property = online_button_get_property;
object_class->dispose = online_button_dispose;
g_object_class_install_property (
object_class,
PROP_ONLINE,
g_param_spec_boolean (
"online",
"Online",
"The button state is online",
TRUE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
}
static void
e_online_button_init (EOnlineButton *button)
{
GtkWidget *widget;
button->priv = E_ONLINE_BUTTON_GET_PRIVATE (button);
gtk_widget_set_can_focus (GTK_WIDGET (button), FALSE);
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
widget = gtk_image_new ();
gtk_container_add (GTK_CONTAINER (button), widget);
button->priv->image = g_object_ref (widget);
gtk_widget_show (widget);
g_signal_connect (
button, "notify::online",
G_CALLBACK (online_button_update_tooltip), NULL);
g_signal_connect (
button, "notify::sensitive",
G_CALLBACK (online_button_update_tooltip), NULL);
}
GtkWidget *
e_online_button_new (void)
{
return g_object_new (E_TYPE_ONLINE_BUTTON, NULL);
}
gboolean
e_online_button_get_online (EOnlineButton *button)
{
g_return_val_if_fail (E_IS_ONLINE_BUTTON (button), FALSE);
return button->priv->online;
}
void
e_online_button_set_online (EOnlineButton *button,
gboolean online)
{
GtkImage *image;
GtkIconInfo *icon_info;
GtkIconTheme *icon_theme;
const gchar *filename;
const gchar *icon_name;
g_return_if_fail (E_IS_ONLINE_BUTTON (button));
if (button->priv->online == online)
return;
button->priv->online = online;
image = GTK_IMAGE (button->priv->image);
icon_name = online ? "online" : "offline";
icon_theme = gtk_icon_theme_get_default ();
/* Prevent GTK+ from scaling these rectangular icons. */
icon_info = gtk_icon_theme_lookup_icon (
icon_theme, icon_name, GTK_ICON_SIZE_BUTTON, 0);
filename = gtk_icon_info_get_filename (icon_info);
gtk_image_set_from_file (image, filename);
gtk_icon_info_free (icon_info);
g_object_notify (G_OBJECT (button), "online");
}
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