mirror of https://github.com/GNOME/gimp.git
647 lines
17 KiB
C
647 lines
17 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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* gimpcontainerview.c
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* Copyright (C) 2001 Michael Natterer
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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/gimpcontainer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpmarshal.h"
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#include "core/gimpviewable.h"
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#include "gimpcontainerview.h"
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#include "gimpcontainerview-utils.h"
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#include "gimpdnd.h"
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enum
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{
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SET_CONTAINER,
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INSERT_ITEM,
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REMOVE_ITEM,
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REORDER_ITEM,
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SELECT_ITEM,
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ACTIVATE_ITEM,
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CONTEXT_ITEM,
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CLEAR_ITEMS,
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SET_PREVIEW_SIZE,
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LAST_SIGNAL
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};
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static void gimp_container_view_class_init (GimpContainerViewClass *klass);
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static void gimp_container_view_init (GimpContainerView *panel);
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static void gimp_container_view_destroy (GtkObject *object);
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static void gimp_container_view_real_set_container (GimpContainerView *view,
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GimpContainer *container);
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static void gimp_container_view_clear_items (GimpContainerView *view);
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static void gimp_container_view_real_clear_items (GimpContainerView *view);
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static void gimp_container_view_add_foreach (GimpViewable *viewable,
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GimpContainerView *view);
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static void gimp_container_view_add (GimpContainerView *view,
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GimpViewable *viewable,
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GimpContainer *container);
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static void gimp_container_view_remove (GimpContainerView *view,
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GimpViewable *viewable,
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GimpContainer *container);
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static void gimp_container_view_reorder (GimpContainerView *view,
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GimpViewable *viewable,
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gint new_index,
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GimpContainer *container);
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static void gimp_container_view_context_changed (GimpContext *context,
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GimpViewable *viewable,
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GimpContainerView *view);
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static void gimp_container_view_drop_viewable_callback (GtkWidget *widget,
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GimpViewable *viewable,
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gpointer data);
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static guint view_signals[LAST_SIGNAL] = { 0 };
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static GtkVBoxClass *parent_class = NULL;
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GType
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gimp_container_view_get_type (void)
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{
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static GType view_type = 0;
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if (! view_type)
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{
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GtkTypeInfo view_info =
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{
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"GimpContainerView",
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sizeof (GimpContainerView),
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sizeof (GimpContainerViewClass),
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(GtkClassInitFunc) gimp_container_view_class_init,
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(GtkObjectInitFunc) gimp_container_view_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL
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};
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view_type = gtk_type_unique (GTK_TYPE_VBOX, &view_info);
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}
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return view_type;
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}
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static void
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gimp_container_view_class_init (GimpContainerViewClass *klass)
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{
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GtkObjectClass *object_class;
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object_class = (GtkObjectClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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view_signals[SET_CONTAINER] =
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g_signal_new ("set_container",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GimpContainerViewClass, set_container),
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NULL, NULL,
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g_cclosure_marshal_VOID__OBJECT,
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G_TYPE_NONE, 1,
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GIMP_TYPE_OBJECT);
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view_signals[INSERT_ITEM] =
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g_signal_new ("insert_item",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GimpContainerViewClass, insert_item),
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NULL, NULL,
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gimp_cclosure_marshal_POINTER__OBJECT_INT,
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G_TYPE_POINTER, 2,
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GIMP_TYPE_OBJECT,
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G_TYPE_INT);
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view_signals[REMOVE_ITEM] =
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g_signal_new ("remove_item",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpContainerViewClass, remove_item),
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NULL, NULL,
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gimp_cclosure_marshal_VOID__OBJECT_POINTER,
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G_TYPE_NONE, 2,
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GIMP_TYPE_OBJECT,
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G_TYPE_POINTER);
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view_signals[REORDER_ITEM] =
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g_signal_new ("reorder_item",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpContainerViewClass, reorder_item),
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NULL, NULL,
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gimp_cclosure_marshal_VOID__OBJECT_INT_POINTER,
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G_TYPE_NONE, 3,
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GIMP_TYPE_OBJECT,
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G_TYPE_INT,
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G_TYPE_POINTER);
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view_signals[SELECT_ITEM] =
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g_signal_new ("select_item",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpContainerViewClass, select_item),
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NULL, NULL,
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gimp_cclosure_marshal_VOID__OBJECT_POINTER,
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G_TYPE_NONE, 2,
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GIMP_TYPE_OBJECT,
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G_TYPE_POINTER);
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view_signals[ACTIVATE_ITEM] =
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g_signal_new ("activate_item",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpContainerViewClass, activate_item),
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NULL, NULL,
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gimp_cclosure_marshal_VOID__OBJECT_POINTER,
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G_TYPE_NONE, 2,
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GIMP_TYPE_OBJECT,
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G_TYPE_POINTER);
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view_signals[CONTEXT_ITEM] =
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g_signal_new ("context_item",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpContainerViewClass, context_item),
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NULL, NULL,
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gimp_cclosure_marshal_VOID__OBJECT_POINTER,
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G_TYPE_NONE, 2,
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GIMP_TYPE_OBJECT,
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G_TYPE_POINTER);
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view_signals[CLEAR_ITEMS] =
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g_signal_new ("clear_items",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpContainerViewClass, clear_items),
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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view_signals[SET_PREVIEW_SIZE] =
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g_signal_new ("set_preview_size",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpContainerViewClass, set_preview_size),
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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object_class->destroy = gimp_container_view_destroy;
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klass->set_container = gimp_container_view_real_set_container;
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klass->insert_item = NULL;
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klass->remove_item = NULL;
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klass->reorder_item = NULL;
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klass->select_item = NULL;
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klass->activate_item = NULL;
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klass->context_item = NULL;
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klass->clear_items = gimp_container_view_real_clear_items;
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klass->set_preview_size = NULL;
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}
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static void
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gimp_container_view_init (GimpContainerView *view)
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{
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view->container = NULL;
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view->context = NULL;
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view->hash_table = g_hash_table_new (g_direct_hash, g_direct_equal);
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view->preview_size = 0;
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}
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static void
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gimp_container_view_destroy (GtkObject *object)
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{
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GimpContainerView *view;
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view = GIMP_CONTAINER_VIEW (object);
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if (view->container)
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gimp_container_view_set_container (view, NULL);
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if (view->context)
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gimp_container_view_set_context (view, NULL);
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if (view->hash_table)
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{
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g_hash_table_destroy (view->hash_table);
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view->hash_table = NULL;
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}
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if (GTK_OBJECT_CLASS (parent_class)->destroy)
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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void
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gimp_container_view_set_container (GimpContainerView *view,
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GimpContainer *container)
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{
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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g_return_if_fail (! container || GIMP_IS_CONTAINER (container));
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if (container == view->container)
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return;
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g_signal_emit (G_OBJECT (view), view_signals[SET_CONTAINER], 0,
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container);
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}
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static void
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gimp_container_view_real_set_container (GimpContainerView *view,
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GimpContainer *container)
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{
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if (view->container)
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{
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gimp_container_view_select_item (view, NULL);
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gimp_container_view_clear_items (view);
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g_signal_handlers_disconnect_by_func (G_OBJECT (view->container),
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gimp_container_view_add,
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view);
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g_signal_handlers_disconnect_by_func (G_OBJECT (view->container),
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gimp_container_view_remove,
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view);
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g_signal_handlers_disconnect_by_func (G_OBJECT (view->container),
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gimp_container_view_reorder,
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view);
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g_hash_table_destroy (view->hash_table);
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view->hash_table = g_hash_table_new (g_direct_hash, g_direct_equal);
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if (view->context)
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{
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g_signal_handlers_disconnect_by_func (G_OBJECT (view->context),
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gimp_container_view_context_changed,
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view);
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gtk_drag_dest_unset (GTK_WIDGET (view));
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gimp_dnd_viewable_dest_unset (GTK_WIDGET (view),
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view->container->children_type);
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}
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if (view->get_name_func &&
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gimp_container_view_is_built_in_name_func (view->get_name_func))
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{
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gimp_container_view_set_name_func (view, NULL);
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}
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}
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view->container = container;
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if (view->container)
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{
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if (! view->get_name_func)
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{
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GimpItemGetNameFunc get_name_func;
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get_name_func = gimp_container_view_get_built_in_name_func (view->container->children_type);
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gimp_container_view_set_name_func (view, get_name_func);
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}
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gimp_container_foreach (view->container,
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(GFunc) gimp_container_view_add_foreach,
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view);
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g_signal_connect_object (G_OBJECT (view->container), "add",
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G_CALLBACK (gimp_container_view_add),
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G_OBJECT (view),
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G_CONNECT_SWAPPED);
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g_signal_connect_object (G_OBJECT (view->container), "remove",
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G_CALLBACK (gimp_container_view_remove),
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G_OBJECT (view),
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G_CONNECT_SWAPPED);
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g_signal_connect_object (G_OBJECT (view->container), "reorder",
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G_CALLBACK (gimp_container_view_reorder),
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G_OBJECT (view),
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G_CONNECT_SWAPPED);
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if (view->context)
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{
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GimpObject *object;
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const gchar *signal_name;
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signal_name =
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gimp_context_type_to_signal_name (view->container->children_type);
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g_signal_connect_object (G_OBJECT (view->context), signal_name,
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G_CALLBACK (gimp_container_view_context_changed),
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G_OBJECT (view),
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0);
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object = gimp_context_get_by_type (view->context,
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view->container->children_type);
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gimp_container_view_select_item (view,
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object ? GIMP_VIEWABLE (object): NULL);
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gimp_gtk_drag_dest_set_by_type (GTK_WIDGET (view),
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GTK_DEST_DEFAULT_ALL,
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view->container->children_type,
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GDK_ACTION_COPY);
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gimp_dnd_viewable_dest_set (GTK_WIDGET (view),
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view->container->children_type,
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gimp_container_view_drop_viewable_callback,
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NULL);
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}
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}
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}
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void
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gimp_container_view_set_context (GimpContainerView *view,
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GimpContext *context)
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{
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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g_return_if_fail (! context || GIMP_IS_CONTEXT (context));
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if (context == view->context)
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return;
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if (view->context && view->container)
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{
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g_signal_handlers_disconnect_by_func (G_OBJECT (view->context),
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gimp_container_view_context_changed,
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view);
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gtk_drag_dest_unset (GTK_WIDGET (view));
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gimp_dnd_viewable_dest_unset (GTK_WIDGET (view),
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view->container->children_type);
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}
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view->context = context;
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if (view->context && view->container)
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{
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GimpObject *object;
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const gchar *signal_name;
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signal_name =
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gimp_context_type_to_signal_name (view->container->children_type);
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g_signal_connect_object (G_OBJECT (view->context), signal_name,
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G_CALLBACK (gimp_container_view_context_changed),
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G_OBJECT (view),
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0);
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object = gimp_context_get_by_type (view->context,
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view->container->children_type);
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gimp_container_view_select_item (view,
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object ? GIMP_VIEWABLE (object) : NULL);
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gimp_gtk_drag_dest_set_by_type (GTK_WIDGET (view),
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GTK_DEST_DEFAULT_ALL,
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view->container->children_type,
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GDK_ACTION_COPY);
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gimp_dnd_viewable_dest_set (GTK_WIDGET (view),
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view->container->children_type,
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gimp_container_view_drop_viewable_callback,
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NULL);
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}
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}
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void
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gimp_container_view_set_preview_size (GimpContainerView *view,
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gint preview_size)
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{
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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g_return_if_fail (preview_size > 0 && preview_size <= 256 /* FIXME: 64 */);
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view->preview_size = preview_size;
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g_signal_emit (G_OBJECT (view), view_signals[SET_PREVIEW_SIZE], 0);
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}
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void
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gimp_container_view_set_name_func (GimpContainerView *view,
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GimpItemGetNameFunc get_name_func)
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{
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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if (view->get_name_func != get_name_func)
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{
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view->get_name_func = get_name_func;
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}
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}
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void
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gimp_container_view_select_item (GimpContainerView *view,
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GimpViewable *viewable)
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{
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gpointer insert_data;
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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g_return_if_fail (! viewable || GIMP_IS_VIEWABLE (viewable));
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insert_data = g_hash_table_lookup (view->hash_table, viewable);
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g_signal_emit (G_OBJECT (view), view_signals[SELECT_ITEM], 0,
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viewable, insert_data);
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}
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void
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gimp_container_view_activate_item (GimpContainerView *view,
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GimpViewable *viewable)
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{
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gpointer insert_data;
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
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insert_data = g_hash_table_lookup (view->hash_table, viewable);
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g_signal_emit (G_OBJECT (view), view_signals[ACTIVATE_ITEM], 0,
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viewable, insert_data);
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}
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void
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gimp_container_view_context_item (GimpContainerView *view,
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GimpViewable *viewable)
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{
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gpointer insert_data;
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
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insert_data = g_hash_table_lookup (view->hash_table, viewable);
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g_signal_emit (G_OBJECT (view), view_signals[CONTEXT_ITEM], 0,
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viewable, insert_data);
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}
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void
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gimp_container_view_item_selected (GimpContainerView *view,
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GimpViewable *viewable)
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{
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g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
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g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
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if (view->container && view->context)
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{
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gimp_context_set_by_type (view->context,
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view->container->children_type,
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GIMP_OBJECT (viewable));
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}
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|
gimp_container_view_select_item (view, viewable);
|
|
}
|
|
|
|
void
|
|
gimp_container_view_item_activated (GimpContainerView *view,
|
|
GimpViewable *viewable)
|
|
{
|
|
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
|
|
g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
|
|
|
|
gimp_container_view_activate_item (view, viewable);
|
|
}
|
|
|
|
void
|
|
gimp_container_view_item_context (GimpContainerView *view,
|
|
GimpViewable *viewable)
|
|
{
|
|
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
|
|
g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
|
|
|
|
gimp_container_view_context_item (view, viewable);
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_clear_items (GimpContainerView *view)
|
|
{
|
|
g_signal_emit (G_OBJECT (view), view_signals[CLEAR_ITEMS], 0);
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_real_clear_items (GimpContainerView *view)
|
|
{
|
|
g_hash_table_destroy (view->hash_table);
|
|
|
|
view->hash_table = g_hash_table_new (g_direct_hash, g_direct_equal);
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_add_foreach (GimpViewable *viewable,
|
|
GimpContainerView *view)
|
|
{
|
|
gpointer insert_data = NULL;
|
|
|
|
g_signal_emit (G_OBJECT (view), view_signals[INSERT_ITEM], 0,
|
|
viewable, -1, &insert_data);
|
|
|
|
g_hash_table_insert (view->hash_table, viewable, insert_data);
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_add (GimpContainerView *view,
|
|
GimpViewable *viewable,
|
|
GimpContainer *container)
|
|
{
|
|
gpointer insert_data = NULL;
|
|
gint index;
|
|
|
|
index = gimp_container_get_child_index (container,
|
|
GIMP_OBJECT (viewable));
|
|
|
|
g_signal_emit (G_OBJECT (view), view_signals[INSERT_ITEM], 0,
|
|
viewable, index, &insert_data);
|
|
|
|
g_hash_table_insert (view->hash_table, viewable, insert_data);
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_remove (GimpContainerView *view,
|
|
GimpViewable *viewable,
|
|
GimpContainer *container)
|
|
{
|
|
gpointer insert_data;
|
|
|
|
insert_data = g_hash_table_lookup (view->hash_table, viewable);
|
|
|
|
if (insert_data)
|
|
{
|
|
g_hash_table_remove (view->hash_table, viewable);
|
|
|
|
g_signal_emit (G_OBJECT (view), view_signals[REMOVE_ITEM], 0,
|
|
viewable, insert_data);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_reorder (GimpContainerView *view,
|
|
GimpViewable *viewable,
|
|
gint new_index,
|
|
GimpContainer *container)
|
|
{
|
|
gpointer insert_data;
|
|
|
|
insert_data = g_hash_table_lookup (view->hash_table, viewable);
|
|
|
|
if (insert_data)
|
|
{
|
|
g_signal_emit (G_OBJECT (view), view_signals[REORDER_ITEM], 0,
|
|
viewable, new_index, insert_data);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_context_changed (GimpContext *context,
|
|
GimpViewable *viewable,
|
|
GimpContainerView *view)
|
|
{
|
|
gpointer insert_data;
|
|
|
|
insert_data = g_hash_table_lookup (view->hash_table, viewable);
|
|
|
|
g_signal_emit (G_OBJECT (view), view_signals[SELECT_ITEM], 0,
|
|
viewable, insert_data);
|
|
}
|
|
|
|
static void
|
|
gimp_container_view_drop_viewable_callback (GtkWidget *widget,
|
|
GimpViewable *viewable,
|
|
gpointer data)
|
|
{
|
|
GimpContainerView *view;
|
|
|
|
view = GIMP_CONTAINER_VIEW (widget);
|
|
|
|
gimp_context_set_by_type (view->context,
|
|
view->container->children_type,
|
|
GIMP_OBJECT (viewable));
|
|
}
|