gimp/app/widgets/gimpimageeditor.c

180 lines
5.2 KiB
C

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.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_dispose (GObject *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)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gimp_image_editor_dispose;
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);
g_object_unref (editor->context);
}
editor->context = context;
if (context)
{
g_object_ref (editor->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_dispose (GObject *object)
{
GimpImageEditor *editor = GIMP_IMAGE_EDITOR (object);
if (editor->image)
gimp_image_editor_set_image (editor, NULL);
G_OBJECT_CLASS (parent_class)->dispose (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_get_ui_manager (GIMP_EDITOR (editor)))
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
}
}
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_get_ui_manager (GIMP_EDITOR (editor)))
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
}