243 lines
8.7 KiB
C
243 lines
8.7 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpdocumentview.c
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* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
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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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "widgets-types.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "gimpcontainerview.h"
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#include "gimpeditor.h"
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#include "gimpimageview.h"
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#include "gimpdnd.h"
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#include "gimpmenufactory.h"
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#include "gimpuimanager.h"
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#include "gimpviewrenderer.h"
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#include "gimp-intl.h"
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static void gimp_image_view_finalize (GObject *object);
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static void gimp_image_view_image_changed (GimpContainerView *container_view,
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GimpImageView *view);
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static void gimp_image_view_display_count_changed (GimpImage *image,
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gint display_count,
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GimpImageView *view);
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static void gimp_image_view_select_item (GimpContainerEditor *editor,
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GimpViewable *viewable);
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static void gimp_image_view_activate_item (GimpContainerEditor *editor,
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GimpViewable *viewable);
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G_DEFINE_TYPE (GimpImageView, gimp_image_view, GIMP_TYPE_CONTAINER_EDITOR)
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#define parent_class gimp_image_view_parent_class
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static void
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gimp_image_view_class_init (GimpImageViewClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpContainerEditorClass *editor_class = GIMP_CONTAINER_EDITOR_CLASS (klass);
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object_class->finalize = gimp_image_view_finalize;
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editor_class->select_item = gimp_image_view_select_item;
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editor_class->activate_item = gimp_image_view_activate_item;
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}
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static void
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gimp_image_view_init (GimpImageView *view)
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{
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view->raise_button = NULL;
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view->new_button = NULL;
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view->delete_button = NULL;
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}
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static void
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gimp_image_view_finalize (GObject *object)
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{
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GimpImageView *view = GIMP_IMAGE_VIEW (object);
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g_clear_weak_pointer (&view->image);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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GtkWidget *
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gimp_image_view_new (GimpViewType view_type,
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GimpContainer *container,
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GimpContext *context,
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gint view_size,
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gint view_border_width,
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GimpMenuFactory *menu_factory)
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{
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GimpImageView *image_view;
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GimpContainerEditor *editor;
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g_return_val_if_fail (GIMP_IS_CONTAINER (container), NULL);
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g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (view_size > 0 &&
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view_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
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g_return_val_if_fail (view_border_width >= 0 &&
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view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
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NULL);
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g_return_val_if_fail (menu_factory == NULL ||
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GIMP_IS_MENU_FACTORY (menu_factory), NULL);
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image_view = g_object_new (GIMP_TYPE_IMAGE_VIEW,
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"view-type", view_type,
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"container", container,
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"context", context,
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"view-size", view_size,
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"view-border-width", view_border_width,
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"menu-factory", menu_factory,
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"menu-identifier", "<Images>",
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"ui-path", "/images-popup",
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NULL);
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editor = GIMP_CONTAINER_EDITOR (image_view);
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image_view->raise_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor->view), "images",
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"images-raise-views", NULL);
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image_view->new_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor->view), "images",
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"images-new-view", NULL);
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image_view->delete_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor->view), "images",
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"images-delete", NULL);
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if (view_type == GIMP_VIEW_TYPE_LIST)
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{
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GtkWidget *dnd_widget;
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dnd_widget = gimp_container_view_get_dnd_widget (editor->view);
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gimp_dnd_xds_source_add (dnd_widget,
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(GimpDndDragViewableFunc) gimp_dnd_get_drag_viewable,
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NULL);
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}
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gimp_container_view_enable_dnd (editor->view,
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GTK_BUTTON (image_view->raise_button),
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GIMP_TYPE_IMAGE);
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gimp_container_view_enable_dnd (editor->view,
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GTK_BUTTON (image_view->new_button),
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GIMP_TYPE_IMAGE);
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gimp_container_view_enable_dnd (editor->view,
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GTK_BUTTON (image_view->delete_button),
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GIMP_TYPE_IMAGE);
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/* The selection for this GimpContainerView is known to be an image.
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* The GimpContainerView class will automatically connect to the
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* "image-changed" signal from the context, but it doesn't tell us
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* anything about whether the display count of the selected image
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* changes. Yet this is important information as some action in the
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* "Images" action group may be set sensitive depending on this count.
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*/
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g_signal_connect (editor->view,
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"selection-changed",
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G_CALLBACK (gimp_image_view_image_changed),
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image_view);
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gimp_image_view_image_changed (editor->view, image_view);
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gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor->view)),
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editor);
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return GTK_WIDGET (image_view);
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}
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static void
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gimp_image_view_image_changed (GimpContainerView *container_view,
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GimpImageView *view)
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{
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if (view->image)
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g_signal_handlers_disconnect_by_func (view->image,
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G_CALLBACK (gimp_image_view_display_count_changed),
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view);
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g_set_weak_pointer (&view->image,
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GIMP_IMAGE (gimp_container_view_get_1_selected (container_view)));
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if (view->image)
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g_signal_connect_object (view->image, "display-count-changed",
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G_CALLBACK (gimp_image_view_display_count_changed),
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view, 0);
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}
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static void
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gimp_image_view_display_count_changed (GimpImage *image,
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gint display_count,
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GimpImageView *view)
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{
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GimpContainerEditor *editor;
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editor = GIMP_CONTAINER_EDITOR (view);
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gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor->view)),
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editor);
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}
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static void
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gimp_image_view_select_item (GimpContainerEditor *editor,
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GimpViewable *viewable)
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{
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GimpImageView *view = GIMP_IMAGE_VIEW (editor);
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GimpContainer *container;
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if (GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item)
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GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item (editor, viewable);
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container = gimp_container_view_get_container (editor->view);
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if (viewable && gimp_container_have (container, GIMP_OBJECT (viewable)))
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{
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if (view->raise_button)
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gtk_button_clicked (GTK_BUTTON (view->raise_button));
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}
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}
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static void
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gimp_image_view_activate_item (GimpContainerEditor *editor,
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GimpViewable *viewable)
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{
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GimpImageView *view = GIMP_IMAGE_VIEW (editor);
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GimpContainer *container;
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if (GIMP_CONTAINER_EDITOR_CLASS (parent_class)->activate_item)
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GIMP_CONTAINER_EDITOR_CLASS (parent_class)->activate_item (editor, viewable);
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container = gimp_container_view_get_container (editor->view);
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if (viewable && gimp_container_have (container, GIMP_OBJECT (viewable)))
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{
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gtk_button_clicked (GTK_BUTTON (view->raise_button));
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}
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}
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