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2003-02-20 Michael Natterer <mitch@gimp.org> * app/widgets/Makefile.am * app/widgets/widgets-types.h * app/widgets/gimpimageeditor.[ch]: new GimpEditor subclass adding a GimpImage pointer and a virtual set_image() function. * app/widgets/gimpcolormapeditor.[ch] * app/widgets/gimpselectioneditor.[ch] * app/widgets/gimpundoeditor.[ch]: derive them from GimpImageEditor. Removed the public set_image() functions. * app/gui/colormap-editor-commands.c * app/gui/colormap-editor-menu.c: changed accordingly. * app/gui/dialogs-constructors.c: removed lots of code duplication and use the uniform GimpImageEditor API. Misc cleanups.
136 lines
3.5 KiB
C
136 lines
3.5 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/gimpimage.h"
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#include "gimpimageeditor.h"
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static void gimp_image_editor_class_init (GimpImageEditorClass *klass);
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static void gimp_image_editor_init (GimpImageEditor *editor);
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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 *gimage);
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static GimpEditorClass *parent_class = NULL;
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GType
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gimp_image_editor_get_type (void)
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{
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static GType editor_type = 0;
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if (! editor_type)
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{
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static const GTypeInfo editor_info =
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{
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sizeof (GimpImageEditorClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_image_editor_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpImageEditor),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_image_editor_init,
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};
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editor_type = g_type_register_static (GIMP_TYPE_EDITOR,
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"GimpImageEditor",
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&editor_info, 0);
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}
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return editor_type;
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}
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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;
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object_class = GTK_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (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->gimage = 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_destroy (GtkObject *object)
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{
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GimpImageEditor *editor;
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editor = GIMP_IMAGE_EDITOR (object);
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if (editor->gimage)
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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 *gimage)
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{
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if (! editor->gimage && gimage)
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{
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gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
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}
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else if (editor->gimage && ! gimage)
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{
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gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
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}
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editor->gimage = gimage;
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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 *gimage)
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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 (! gimage || GIMP_IS_IMAGE (gimage));
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if (gimage == editor->gimage)
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return;
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GIMP_IMAGE_EDITOR_GET_CLASS (editor)->set_image (editor, gimage);
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}
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