/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shell-taskbar.c
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "e-shell-taskbar.h"
#include <e-shell-view.h>
#define E_SHELL_TASKBAR_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_SHELL_TASKBAR, EShellTaskbarPrivate))
struct _EShellTaskbarPrivate {
gpointer shell_view; /* weak pointer */
GtkWidget *label;
GtkWidget *hbox;
};
enum {
PROP_0,
PROP_SHELL_VIEW
};
static gpointer parent_class;
static void
shell_taskbar_set_shell_view (EShellTaskbar *shell_taskbar,
EShellView *shell_view)
{
g_return_if_fail (shell_taskbar->priv->shell_view == NULL);
shell_taskbar->priv->shell_view = shell_view;
g_object_add_weak_pointer (
G_OBJECT (shell_view),
&shell_taskbar->priv->shell_view);
}
static void
shell_taskbar_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_SHELL_VIEW:
shell_taskbar_set_shell_view (
E_SHELL_TASKBAR (object),
g_value_get_object (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
shell_taskbar_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_SHELL_VIEW:
g_value_set_object (
value, e_shell_taskbar_get_shell_view (
E_SHELL_TASKBAR (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
shell_taskbar_dispose (GObject *object)
{
EShellTaskbarPrivate *priv;
priv = E_SHELL_TASKBAR_GET_PRIVATE (object);
if (priv->shell_view != NULL) {
g_object_remove_weak_pointer (
G_OBJECT (priv->shell_view), &priv->shell_view);
priv->shell_view = NULL;
}
if (priv->label != NULL) {
g_object_unref (priv->label);
priv->label = NULL;
}
if (priv->hbox != NULL) {
g_object_unref (priv->hbox);
priv->hbox = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
shell_taskbar_class_init (EShellTaskbarClass *class)
{
GObjectClass *object_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (EShellTaskbarPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = shell_taskbar_set_property;
object_class->get_property = shell_taskbar_get_property;
object_class->dispose = shell_taskbar_dispose;
g_object_class_install_property (
object_class,
PROP_SHELL_VIEW,
g_param_spec_object (
"shell-view",
NULL,
NULL,
E_TYPE_SHELL_VIEW,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
shell_taskbar_init (EShellTaskbar *shell_taskbar)
{
GtkWidget *widget;
gint height;
shell_taskbar->priv = E_SHELL_TASKBAR_GET_PRIVATE (shell_taskbar);
gtk_box_set_spacing (GTK_BOX (shell_taskbar), 12);
widget = gtk_label_new (NULL);
gtk_label_set_ellipsize (GTK_LABEL (widget), PANGO_ELLIPSIZE_END);
gtk_box_pack_start (GTK_BOX (shell_taskbar), widget, TRUE, TRUE, 0);
gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
shell_taskbar->priv->label = g_object_ref (widget);
gtk_widget_hide (widget);
widget = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (shell_taskbar), widget, TRUE, TRUE, 0);
shell_taskbar->priv->hbox = g_object_ref (widget);
gtk_widget_hide (widget);
/* Make the taskbar large enough to accomodate a small icon.
* XXX The "* 2" is a fudge factor to allow for some padding
* The true value is probably buried in a style property. */
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, NULL, &height);
gtk_widget_set_size_request (
GTK_WIDGET (shell_taskbar), -1, height * 2);
}
GType
e_shell_taskbar_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static const GTypeInfo type_info = {
sizeof (EShellTaskbarClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) shell_taskbar_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EShellTaskbar),
0, /* n_preallocs */
(GInstanceInitFunc) shell_taskbar_init,
NULL /* value_table */
};
type = g_type_register_static (
GTK_TYPE_HBOX, "EShellTaskbar", &type_info, 0);
}
return type;
}
GtkWidget *
e_shell_taskbar_new (EShellView *shell_view)
{
g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
return g_object_new (
E_TYPE_SHELL_TASKBAR, "shell-view", shell_view, NULL);
}
EShellView *
e_shell_taskbar_get_shell_view (EShellTaskbar *shell_taskbar)
{
g_return_val_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar), NULL);
return shell_taskbar->priv->shell_view;
}
void
e_shell_taskbar_set_message (EShellTaskbar *shell_taskbar,
const gchar *message)
{
GtkWidget *label;
g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
label = shell_taskbar->priv->label;
message = (message == NULL) ? message : "";
gtk_label_set_text (GTK_LABEL (label), message);
if (*message != '\0')
gtk_widget_show (label);
else
gtk_widget_hide (label);
}
void
e_shell_taskbar_unset_message (EShellTaskbar *shell_taskbar)
{
g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
e_shell_taskbar_set_message (shell_taskbar, NULL);
}
void
e_shell_taskbar_prepend_task (EShellTaskbar *shell_taskbar,
ETaskWidget *task_widget)
{
GtkBox *box;
GtkWidget *child;
g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
child = GTK_WIDGET (task_widget);
box = GTK_BOX (shell_taskbar->priv->hbox);
gtk_box_pack_start (box, child, TRUE, TRUE, 0);
gtk_box_reorder_child (box, child, 0);
gtk_widget_show (GTK_WIDGET (box));
}
void
e_shell_taskbar_remove_task (EShellTaskbar *shell_taskbar,
gint position)
{
ETaskWidget *task_widget;
GtkBox *box;
g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
g_return_if_fail (position >= 0);
task_widget = e_shell_taskbar_get_task_widget (
shell_taskbar, position);
gtk_widget_destroy (GTK_WIDGET (task_widget));
box = GTK_BOX (shell_taskbar->priv->hbox);
if (box->children == NULL)
gtk_widget_hide (GTK_WIDGET (box));
}
ETaskWidget *
e_shell_taskbar_get_task_widget_from_id (EShellTaskbar *shell_taskbar,
guint task_id)
{
GtkBox *box;
GList *iter;
g_return_val_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar), NULL);
box = GTK_BOX (shell_taskbar->priv->hbox);
for (iter = box->children; iter != NULL; iter = iter->next) {
GtkBoxChild *child_info = iter->data;
ETaskWidget *task_widget;
task_widget = E_TASK_WIDGET (child_info->widget);
if (task_widget->id == task_id)
return task_widget;
}
return NULL;
}
void
e_shell_taskbar_remove_task_from_id (EShellTaskbar *shell_taskbar,
guint task_id)
{
ETaskWidget *task_widget;
GtkBox *box;
g_return_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar));
task_widget = e_shell_taskbar_get_task_widget_from_id (
shell_taskbar, task_id);
g_return_if_fail (task_widget != NULL);
gtk_widget_destroy (GTK_WIDGET (task_widget));
box = GTK_BOX (shell_taskbar->priv->hbox);
if (box->children == NULL)
gtk_widget_hide (GTK_WIDGET (box));
}
ETaskWidget *
e_shell_taskbar_get_task_widget (EShellTaskbar *shell_taskbar,
gint position)
{
GtkBoxChild *child_info;
GtkBox *box;
g_return_val_if_fail (E_IS_SHELL_TASKBAR (shell_taskbar), NULL);
box = GTK_BOX (shell_taskbar->priv->hbox);
child_info = g_list_nth (box->children, position)->data;
return E_TASK_WIDGET (child_info->widget);
}
