mirror of https://github.com/GNOME/gimp.git
162 lines
4.8 KiB
C
162 lines
4.8 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "widgets-types.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "gimpdocked.h"
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#include "gimpimageeditor.h"
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#include "gimpuimanager.h"
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static void gimp_image_editor_docked_iface_init (GimpDockedInterface *iface);
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static void gimp_image_editor_set_context (GimpDocked *docked,
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GimpContext *context);
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static void gimp_image_editor_destroy (GtkObject *object);
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static void gimp_image_editor_real_set_image (GimpImageEditor *editor,
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GimpImage *image);
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static void gimp_image_editor_image_flush (GimpImage *image,
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GimpImageEditor *editor);
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G_DEFINE_TYPE_WITH_CODE (GimpImageEditor, gimp_image_editor, GIMP_TYPE_EDITOR,
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G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
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gimp_image_editor_docked_iface_init))
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#define parent_class gimp_image_editor_parent_class
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static void
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gimp_image_editor_class_init (GimpImageEditorClass *klass)
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{
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GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
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object_class->destroy = gimp_image_editor_destroy;
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klass->set_image = gimp_image_editor_real_set_image;
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}
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static void
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gimp_image_editor_init (GimpImageEditor *editor)
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{
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editor->image = NULL;
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gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
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}
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static void
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gimp_image_editor_docked_iface_init (GimpDockedInterface *iface)
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{
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iface->set_context = gimp_image_editor_set_context;
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}
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static void
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gimp_image_editor_set_context (GimpDocked *docked,
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GimpContext *context)
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{
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GimpImageEditor *editor = GIMP_IMAGE_EDITOR (docked);
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GimpImage *image = NULL;
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if (editor->context)
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g_signal_handlers_disconnect_by_func (editor->context,
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gimp_image_editor_set_image,
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editor);
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editor->context = context;
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if (context)
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{
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g_signal_connect_swapped (context, "image-changed",
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G_CALLBACK (gimp_image_editor_set_image),
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editor);
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image = gimp_context_get_image (context);
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}
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gimp_image_editor_set_image (editor, image);
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}
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static void
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gimp_image_editor_destroy (GtkObject *object)
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{
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GimpImageEditor *editor = GIMP_IMAGE_EDITOR (object);
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if (editor->image)
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gimp_image_editor_set_image (editor, NULL);
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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static void
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gimp_image_editor_real_set_image (GimpImageEditor *editor,
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GimpImage *image)
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{
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if (editor->image)
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g_signal_handlers_disconnect_by_func (editor->image,
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gimp_image_editor_image_flush,
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editor);
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editor->image = image;
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if (editor->image)
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g_signal_connect (editor->image, "flush",
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G_CALLBACK (gimp_image_editor_image_flush),
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editor);
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gtk_widget_set_sensitive (GTK_WIDGET (editor), image != NULL);
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}
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/* public functions */
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void
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gimp_image_editor_set_image (GimpImageEditor *editor,
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GimpImage *image)
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{
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g_return_if_fail (GIMP_IS_IMAGE_EDITOR (editor));
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g_return_if_fail (image == NULL || GIMP_IS_IMAGE (image));
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if (image != editor->image)
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{
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GIMP_IMAGE_EDITOR_GET_CLASS (editor)->set_image (editor, image);
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if (GIMP_EDITOR (editor)->ui_manager)
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gimp_ui_manager_update (GIMP_EDITOR (editor)->ui_manager,
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GIMP_EDITOR (editor)->popup_data);
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}
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}
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/* private functions */
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static void
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gimp_image_editor_image_flush (GimpImage *image,
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GimpImageEditor *editor)
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{
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if (GIMP_EDITOR (editor)->ui_manager)
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gimp_ui_manager_update (GIMP_EDITOR (editor)->ui_manager,
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GIMP_EDITOR (editor)->popup_data);
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}
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