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/*
* gal-view.c
*
* 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/>
*
*/
#include "gal-view.h"
#define GAL_VIEW_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), GAL_TYPE_VIEW, GalViewPrivate))
struct _GalViewPrivate {
gchar *title;
};
enum {
PROP_0,
PROP_TITLE
};
enum {
CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
G_DEFINE_ABSTRACT_TYPE (GalView, gal_view, G_TYPE_OBJECT)
static void
view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_TITLE:
gal_view_set_title (
GAL_VIEW (object),
g_value_get_string (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_TITLE:
g_value_set_string (
value, gal_view_get_title (
GAL_VIEW (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
view_finalize (GObject *object)
{
GalViewPrivate *priv;
priv = GAL_VIEW_GET_PRIVATE (object);
g_free (priv->title);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (gal_view_parent_class)->finalize (object);
}
static void
view_load (GalView *view,
const gchar *filename)
{
}
static void
view_save (GalView *view,
const gchar *filename)
{
}
static GalView *
view_clone (GalView *view)
{
const gchar *title;
title = gal_view_get_title (view);
return g_object_new (
G_OBJECT_TYPE (view),
"title", title, NULL);
}
static void
gal_view_class_init (GalViewClass *class)
{
GObjectClass *object_class;
g_type_class_add_private (class, sizeof (GalViewPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = view_set_property;
object_class->get_property = view_get_property;
object_class->finalize = view_finalize;
class->load = view_load;
class->save = view_save;
class->clone = view_clone;
g_object_class_install_property (
object_class,
PROP_TITLE,
g_param_spec_string (
"title",
"Title",
"View Title",
NULL,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
signals[CHANGED] = g_signal_new (
"changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GalViewClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
gal_view_init (GalView *view)
{
view->priv = GAL_VIEW_GET_PRIVATE (view);
}
/**
* gal_view_load
* @view: The view to load to
* @filename: The file to load from
*/
void
gal_view_load (GalView *view,
const gchar *filename)
{
GalViewClass *class;
g_return_if_fail (GAL_IS_VIEW (view));
g_return_if_fail (filename != NULL);
class = GAL_VIEW_GET_CLASS (view);
g_return_if_fail (class->load != NULL);
class->load (view, filename);
}
/**
* gal_view_save
* @view: The view to save
* @filename: The file to save to
*/
void
gal_view_save (GalView *view,
const gchar *filename)
{
GalViewClass *class;
g_return_if_fail (GAL_IS_VIEW (view));
g_return_if_fail (filename != NULL);
class = GAL_VIEW_GET_CLASS (view);
g_return_if_fail (class->save != NULL);
class->save (view, filename);
}
/**
* gal_view_get_title
* @view: The view to query.
*
* Returns: The title of the view.
*/
const gchar *
gal_view_get_title (GalView *view)
{
g_return_val_if_fail (GAL_IS_VIEW (view), NULL);
return view->priv->title;
}
/**
* gal_view_set_title
* @view: The view to set.
* @title: The new title value.
*/
void
gal_view_set_title (GalView *view,
const gchar *title)
{
g_return_if_fail (GAL_IS_VIEW (view));
if (g_strcmp0 (title, view->priv->title) == 0)
return;
g_free (view->priv->title);
view->priv->title = g_strdup (title);
g_object_notify (G_OBJECT (view), "title");
}
/**
* gal_view_clone
* @view: The view to clone.
*
* Returns: The clone.
*/
GalView *
gal_view_clone (GalView *view)
{
GalViewClass *class;
g_return_val_if_fail (GAL_IS_VIEW (view), NULL);
class = GAL_VIEW_GET_CLASS (view);
g_return_val_if_fail (class->clone != NULL, NULL);
return class->clone (view);
}
/**
* gal_view_changed
* @view: The view that changed.
*/
void
gal_view_changed (GalView *view)
{
g_return_if_fail (GAL_IS_VIEW (view));
g_signal_emit (view, signals[CHANGED], 0);
}
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