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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "widgets-types.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "gimpdocked.h"
#include "gimpimageeditor.h"
#include "gimpuimanager.h"
static void gimp_image_editor_docked_iface_init (GimpDockedInterface *iface);
static void gimp_image_editor_set_context (GimpDocked *docked,
GimpContext *context);
static void gimp_image_editor_destroy (GtkObject *object);
static void gimp_image_editor_real_set_image (GimpImageEditor *editor,
GimpImage *image);
static void gimp_image_editor_image_flush (GimpImage *image,
gboolean invalidate_preview,
GimpImageEditor *editor);
G_DEFINE_TYPE_WITH_CODE (GimpImageEditor, gimp_image_editor, GIMP_TYPE_EDITOR,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
gimp_image_editor_docked_iface_init))
#define parent_class gimp_image_editor_parent_class
static void
gimp_image_editor_class_init (GimpImageEditorClass *klass)
{
GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = gimp_image_editor_destroy;
klass->set_image = gimp_image_editor_real_set_image;
}
static void
gimp_image_editor_init (GimpImageEditor *editor)
{
editor->image = NULL;
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
}
static void
gimp_image_editor_docked_iface_init (GimpDockedInterface *iface)
{
iface->set_context = gimp_image_editor_set_context;
}
static void
gimp_image_editor_set_context (GimpDocked *docked,
GimpContext *context)
{
GimpImageEditor *editor = GIMP_IMAGE_EDITOR (docked);
GimpImage *image = NULL;
if (editor->context)
g_signal_handlers_disconnect_by_func (editor->context,
gimp_image_editor_set_image,
editor);
editor->context = context;
if (context)
{
g_signal_connect_swapped (context, "image-changed",
G_CALLBACK (gimp_image_editor_set_image),
editor);
image = gimp_context_get_image (context);
}
gimp_image_editor_set_image (editor, image);
}
static void
gimp_image_editor_destroy (GtkObject *object)
{
GimpImageEditor *editor = GIMP_IMAGE_EDITOR (object);
if (editor->image)
gimp_image_editor_set_image (editor, NULL);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_image_editor_real_set_image (GimpImageEditor *editor,
GimpImage *image)
{
if (editor->image)
g_signal_handlers_disconnect_by_func (editor->image,
gimp_image_editor_image_flush,
editor);
editor->image = image;
if (editor->image)
g_signal_connect (editor->image, "flush",
G_CALLBACK (gimp_image_editor_image_flush),
editor);
gtk_widget_set_sensitive (GTK_WIDGET (editor), image != NULL);
}
/* public functions */
void
gimp_image_editor_set_image (GimpImageEditor *editor,
GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE_EDITOR (editor));
g_return_if_fail (image == NULL || GIMP_IS_IMAGE (image));
if (image != editor->image)
{
GIMP_IMAGE_EDITOR_GET_CLASS (editor)->set_image (editor, image);
if (GIMP_EDITOR (editor)->ui_manager)
gimp_ui_manager_update (GIMP_EDITOR (editor)->ui_manager,
GIMP_EDITOR (editor)->popup_data);
}
}
GimpImage *
gimp_image_editor_get_image (GimpImageEditor *editor)
{
g_return_val_if_fail (GIMP_IS_IMAGE_EDITOR (editor), NULL);
return editor->image;
}
/* private functions */
static void
gimp_image_editor_image_flush (GimpImage *image,
gboolean invalidate_preview,
GimpImageEditor *editor)
{
if (GIMP_EDITOR (editor)->ui_manager)
gimp_ui_manager_update (GIMP_EDITOR (editor)->ui_manager,
GIMP_EDITOR (editor)->popup_data);
}
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