313 lines
12 KiB
C
313 lines
12 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikabufferview.c
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* Copyright (C) 2001-2004 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 "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "core/pika.h"
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#include "core/pikabuffer.h"
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#include "core/pikacontainer.h"
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#include "core/pikacontext.h"
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#include "core/pikaimage.h"
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#include "pikacontainertreeview.h"
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#include "pikacontainerview.h"
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#include "pikabufferview.h"
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#include "pikadnd.h"
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#include "pikadocked.h"
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#include "pikaeditor.h"
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#include "pikahelp-ids.h"
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#include "pikaview.h"
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#include "pikaviewrendererbuffer.h"
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#include "pikauimanager.h"
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#include "pikawidgets-utils.h"
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#include "pika-intl.h"
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static void pika_buffer_view_docked_iface_init (PikaDockedInterface *iface);
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static void pika_buffer_view_set_context (PikaDocked *docked,
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PikaContext *context);
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static void pika_buffer_view_activate_item (PikaContainerEditor *editor,
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PikaViewable *viewable);
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static void pika_buffer_view_clipboard_changed (Pika *pika,
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PikaBufferView *buffer_view);
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static void pika_buffer_view_view_notify (PikaContainerView *view,
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GParamSpec *pspec,
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PikaBufferView *buffer_view);
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G_DEFINE_TYPE_WITH_CODE (PikaBufferView, pika_buffer_view,
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PIKA_TYPE_CONTAINER_EDITOR,
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_DOCKED,
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pika_buffer_view_docked_iface_init))
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#define parent_class pika_buffer_view_parent_class
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static PikaDockedInterface *parent_docked_iface = NULL;
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static void
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pika_buffer_view_class_init (PikaBufferViewClass *klass)
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{
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PikaContainerEditorClass *editor_class = PIKA_CONTAINER_EDITOR_CLASS (klass);
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editor_class->activate_item = pika_buffer_view_activate_item;
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}
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static void
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pika_buffer_view_docked_iface_init (PikaDockedInterface *iface)
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{
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parent_docked_iface = g_type_interface_peek_parent (iface);
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if (! parent_docked_iface)
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parent_docked_iface = g_type_default_interface_peek (PIKA_TYPE_DOCKED);
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iface->set_context = pika_buffer_view_set_context;
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}
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static void
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pika_buffer_view_init (PikaBufferView *view)
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{
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}
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static void
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pika_buffer_view_set_context (PikaDocked *docked,
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PikaContext *context)
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{
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PikaBufferView *view = PIKA_BUFFER_VIEW (docked);
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parent_docked_iface->set_context (docked, context);
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pika_view_renderer_set_context (PIKA_VIEW (view->clipboard_view)->renderer,
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context);
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}
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/* public functions */
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GtkWidget *
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pika_buffer_view_new (PikaViewType view_type,
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PikaContainer *container,
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PikaContext *context,
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gint view_size,
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gint view_border_width,
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PikaMenuFactory *menu_factory)
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{
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PikaBufferView *buffer_view;
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PikaContainerEditor *editor;
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GtkWidget *frame;
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GtkWidget *hbox;
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g_return_val_if_fail (PIKA_IS_CONTAINER (container), NULL);
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g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (view_size > 0 &&
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view_size <= PIKA_VIEWABLE_MAX_PREVIEW_SIZE, FALSE);
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g_return_val_if_fail (view_border_width >= 0 &&
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view_border_width <= PIKA_VIEW_MAX_BORDER_WIDTH,
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FALSE);
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buffer_view = g_object_new (PIKA_TYPE_BUFFER_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", "<Buffers>",
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"ui-path", "/buffers-popup",
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NULL);
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editor = PIKA_CONTAINER_EDITOR (buffer_view);
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if (PIKA_IS_CONTAINER_TREE_VIEW (editor->view))
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{
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PikaContainerTreeView *tree_view;
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tree_view = PIKA_CONTAINER_TREE_VIEW (editor->view);
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pika_container_tree_view_connect_name_edited (tree_view,
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G_CALLBACK (pika_container_tree_view_name_edited),
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tree_view);
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}
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frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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gtk_box_pack_start (GTK_BOX (editor), frame, FALSE, FALSE, 0);
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gtk_box_reorder_child (GTK_BOX (editor), frame, 0);
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gtk_widget_show (frame);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
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gtk_container_set_border_width (GTK_CONTAINER (hbox), 2);
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gtk_container_add (GTK_CONTAINER (frame), hbox);
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gtk_widget_show (hbox);
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/* FIXME: enable preview of a clipboard image, not just buffer */
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buffer_view->clipboard_view =
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pika_view_new_full_by_types (NULL,
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PIKA_TYPE_VIEW,
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PIKA_TYPE_BUFFER,
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view_size, view_size, view_border_width,
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FALSE, FALSE, TRUE);
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gtk_box_pack_start (GTK_BOX (hbox), buffer_view->clipboard_view,
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FALSE, FALSE, 0);
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gtk_widget_show (buffer_view->clipboard_view);
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g_signal_connect_object (editor->view, "notify::view-size",
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G_CALLBACK (pika_buffer_view_view_notify),
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buffer_view, 0);
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g_signal_connect_object (editor->view, "notify::view-border-width",
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G_CALLBACK (pika_buffer_view_view_notify),
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buffer_view, 0);
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buffer_view->clipboard_label = gtk_label_new (_("(None)"));
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gtk_box_pack_start (GTK_BOX (hbox), buffer_view->clipboard_label,
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FALSE, FALSE, 0);
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gtk_widget_show (buffer_view->clipboard_label);
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g_signal_connect_object (context->pika, "clipboard-changed",
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G_CALLBACK (pika_buffer_view_clipboard_changed),
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G_OBJECT (buffer_view), 0);
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pika_buffer_view_clipboard_changed (context->pika, buffer_view);
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buffer_view->paste_button =
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pika_editor_add_action_button (PIKA_EDITOR (editor->view), "buffers",
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"buffers-paste",
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"buffers-paste-in-place",
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pika_get_extend_selection_mask (),
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NULL);
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buffer_view->paste_into_button =
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pika_editor_add_action_button (PIKA_EDITOR (editor->view), "buffers",
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"buffers-paste-into",
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"buffers-paste-into-in-place",
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pika_get_extend_selection_mask (),
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NULL);
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buffer_view->paste_as_new_layer_button =
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pika_editor_add_action_button (PIKA_EDITOR (editor->view), "buffers",
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"buffers-paste-as-new-layer",
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"buffers-paste-as-new-layer-in-place",
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pika_get_extend_selection_mask (),
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NULL);
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buffer_view->paste_as_new_image_button =
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pika_editor_add_action_button (PIKA_EDITOR (editor->view), "buffers",
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"buffers-paste-as-new-image", NULL);
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buffer_view->delete_button =
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pika_editor_add_action_button (PIKA_EDITOR (editor->view), "buffers",
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"buffers-delete", NULL);
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pika_container_view_enable_dnd (editor->view,
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GTK_BUTTON (buffer_view->paste_button),
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PIKA_TYPE_BUFFER);
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pika_container_view_enable_dnd (editor->view,
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GTK_BUTTON (buffer_view->paste_into_button),
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PIKA_TYPE_BUFFER);
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pika_container_view_enable_dnd (editor->view,
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GTK_BUTTON (buffer_view->paste_as_new_layer_button),
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PIKA_TYPE_BUFFER);
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pika_container_view_enable_dnd (editor->view,
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GTK_BUTTON (buffer_view->paste_as_new_image_button),
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PIKA_TYPE_BUFFER);
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pika_container_view_enable_dnd (editor->view,
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GTK_BUTTON (buffer_view->delete_button),
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PIKA_TYPE_BUFFER);
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pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (editor->view)),
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editor);
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return GTK_WIDGET (buffer_view);
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}
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/* private functions */
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static void
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pika_buffer_view_activate_item (PikaContainerEditor *editor,
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PikaViewable *viewable)
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{
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PikaBufferView *view = PIKA_BUFFER_VIEW (editor);
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PikaContainer *container;
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if (PIKA_CONTAINER_EDITOR_CLASS (parent_class)->activate_item)
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PIKA_CONTAINER_EDITOR_CLASS (parent_class)->activate_item (editor, viewable);
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container = pika_container_view_get_container (editor->view);
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if (viewable && pika_container_have (container, PIKA_OBJECT (viewable)))
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{
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gtk_button_clicked (GTK_BUTTON (view->paste_button));
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}
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}
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static void
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pika_buffer_view_clipboard_changed (Pika *pika,
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PikaBufferView *buffer_view)
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{
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PikaBuffer *buffer = pika_get_clipboard_buffer (pika);
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pika_view_set_viewable (PIKA_VIEW (buffer_view->clipboard_view),
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PIKA_VIEWABLE (buffer));
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if (buffer)
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{
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gchar *desc = pika_viewable_get_description (PIKA_VIEWABLE (buffer),
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NULL);
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gtk_label_set_text (GTK_LABEL (buffer_view->clipboard_label), desc);
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g_free (desc);
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}
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else
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{
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gtk_label_set_text (GTK_LABEL (buffer_view->clipboard_label), _("(None)"));
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}
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}
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static void
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pika_buffer_view_view_notify (PikaContainerView *container_view,
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GParamSpec *pspec,
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PikaBufferView *buffer_view)
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{
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PikaView *view = PIKA_VIEW (buffer_view->clipboard_view);
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gint view_size;
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gint view_border_width;
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view_size = pika_container_view_get_view_size (container_view,
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&view_border_width);
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pika_view_renderer_set_size_full (view->renderer,
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view_size, view_size, view_border_width);
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}
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