path: root/e-util/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/>
 *
 *
 * Authors:
 *      Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "gal-view.h"

#define d(x)

enum {
    PROP_0,
    PROP_TITLE,
    PROP_TYPE_CODE
};

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;

        case PROP_TYPE_CODE:
            g_value_set_string (
                value, gal_view_get_type_code (
                GAL_VIEW (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
gal_view_class_init (GalViewClass *class)
{
    GObjectClass *object_class = G_OBJECT_CLASS (class);

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = view_set_property;
    object_class->get_property = view_get_property;

    g_object_class_install_property (
        object_class,
        PROP_TITLE,
        g_param_spec_string (
            "title",
            NULL,
            NULL,
            NULL,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_TYPE_CODE,
        g_param_spec_string (
            "type-code",
            NULL,
            NULL,
            NULL,
            G_PARAM_READABLE));

    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)
{
}

/**
 * gal_view_edit
 * @view: The view to edit
 * @parent: the parent window.
 */
void
gal_view_edit (GalView *view,
               GtkWindow *parent)
{
    GalViewClass *class;

    g_return_if_fail (GAL_IS_VIEW (view));
    g_return_if_fail (GTK_IS_WINDOW (parent));

    class = GAL_VIEW_GET_CLASS (view);
    g_return_if_fail (class->edit != NULL);

    class->edit (view, parent);
}

/**
 * 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)
{
    GalViewClass *class;

    g_return_val_if_fail (GAL_IS_VIEW (view), NULL);

    class = GAL_VIEW_GET_CLASS (view);
    g_return_val_if_fail (class->get_title != NULL, NULL);

    return class->get_title (view);
}

/**
 * gal_view_set_title
 * @view: The view to set.
 * @title: The new title value.
 */
void
gal_view_set_title (GalView *view,
                    const gchar *title)
{
    GalViewClass *class;

    g_return_if_fail (GAL_IS_VIEW (view));

    class = GAL_VIEW_GET_CLASS (view);
    g_return_if_fail (class->set_title != NULL);

    class->set_title (view, title);

    g_object_notify (G_OBJECT (view), "title");
}

/**
 * gal_view_get_type_code
 * @view: The view to get.
 *
 * Returns: The type of the view.
 */
const gchar *
gal_view_get_type_code (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->get_type_code != NULL, NULL);

    return class->get_type_code (view);
}

/**
 * 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);
}