491 lines
18 KiB
C
491 lines
18 KiB
C
/* 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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* pikacontainercombobox.c
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* Copyright (C) 2003 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 <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "widgets-types.h"
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#include "core/pikacontainer.h"
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#include "core/pikacontext.h"
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#include "core/pikaviewable.h"
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#include "pikacellrendererviewable.h"
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#include "pikacontainercombobox.h"
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#include "pikacontainertreestore.h"
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#include "pikacontainerview.h"
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#include "pikaviewrenderer.h"
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enum
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{
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PROP_0,
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PROP_ELLIPSIZE = PIKA_CONTAINER_VIEW_PROP_LAST + 1
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};
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static void pika_container_combo_box_view_iface_init (PikaContainerViewInterface *iface);
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static void pika_container_combo_box_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void pika_container_combo_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void pika_container_combo_box_set_context (PikaContainerView *view,
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PikaContext *context);
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static gpointer pika_container_combo_box_insert_item (PikaContainerView *view,
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PikaViewable *viewable,
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gpointer parent_insert_data,
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gint index);
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static void pika_container_combo_box_remove_item (PikaContainerView *view,
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PikaViewable *viewable,
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gpointer insert_data);
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static void pika_container_combo_box_reorder_item (PikaContainerView *view,
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PikaViewable *viewable,
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gint new_index,
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gpointer insert_data);
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static void pika_container_combo_box_rename_item (PikaContainerView *view,
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PikaViewable *viewable,
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gpointer insert_data);
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static gboolean pika_container_combo_box_select_items(PikaContainerView *view,
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GList *viewables,
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GList *paths);
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static void pika_container_combo_box_clear_items (PikaContainerView *view);
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static void pika_container_combo_box_set_view_size (PikaContainerView *view);
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static gint pika_container_combo_box_get_selected (PikaContainerView *view,
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GList **items,
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GList **items_data);
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static void pika_container_combo_box_changed (GtkComboBox *combo_box,
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PikaContainerView *view);
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G_DEFINE_TYPE_WITH_CODE (PikaContainerComboBox, pika_container_combo_box,
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GTK_TYPE_COMBO_BOX,
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_CONTAINER_VIEW,
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pika_container_combo_box_view_iface_init))
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#define parent_class pika_container_combo_box_parent_class
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static PikaContainerViewInterface *parent_view_iface = NULL;
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static void
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pika_container_combo_box_class_init (PikaContainerComboBoxClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->set_property = pika_container_combo_box_set_property;
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object_class->get_property = pika_container_combo_box_get_property;
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pika_container_view_install_properties (object_class);
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g_object_class_install_property (object_class,
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PROP_ELLIPSIZE,
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g_param_spec_enum ("ellipsize", NULL, NULL,
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PANGO_TYPE_ELLIPSIZE_MODE,
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PANGO_ELLIPSIZE_MIDDLE,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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}
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static void
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pika_container_combo_box_view_iface_init (PikaContainerViewInterface *iface)
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{
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parent_view_iface = g_type_interface_peek_parent (iface);
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if (! parent_view_iface)
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parent_view_iface = g_type_default_interface_peek (PIKA_TYPE_CONTAINER_VIEW);
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iface->set_context = pika_container_combo_box_set_context;
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iface->insert_item = pika_container_combo_box_insert_item;
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iface->remove_item = pika_container_combo_box_remove_item;
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iface->reorder_item = pika_container_combo_box_reorder_item;
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iface->rename_item = pika_container_combo_box_rename_item;
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iface->select_items = pika_container_combo_box_select_items;
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iface->clear_items = pika_container_combo_box_clear_items;
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iface->set_view_size = pika_container_combo_box_set_view_size;
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iface->get_selected = pika_container_combo_box_get_selected;
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iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free;
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}
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static void
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pika_container_combo_box_init (PikaContainerComboBox *combo)
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{
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GtkTreeModel *model;
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GtkCellLayout *layout;
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GtkCellRenderer *cell;
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GType types[PIKA_CONTAINER_TREE_STORE_N_COLUMNS];
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gint n_types = 0;
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pika_container_tree_store_columns_init (types, &n_types);
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model = pika_container_tree_store_new (PIKA_CONTAINER_VIEW (combo),
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n_types, types);
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gtk_combo_box_set_model (GTK_COMBO_BOX (combo), model);
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g_object_unref (model);
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layout = GTK_CELL_LAYOUT (combo);
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cell = pika_cell_renderer_viewable_new ();
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gtk_cell_layout_pack_start (layout, cell, FALSE);
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gtk_cell_layout_set_attributes (layout, cell,
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"renderer",
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PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER,
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"sensitive",
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PIKA_CONTAINER_TREE_STORE_COLUMN_NAME_SENSITIVE,
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NULL);
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pika_container_tree_store_add_renderer_cell (PIKA_CONTAINER_TREE_STORE (model),
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cell, -1);
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combo->viewable_renderer = cell;
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cell = gtk_cell_renderer_text_new ();
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gtk_cell_layout_pack_start (layout, cell, TRUE);
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gtk_cell_layout_set_attributes (layout, cell,
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"text",
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PIKA_CONTAINER_TREE_STORE_COLUMN_NAME,
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"sensitive",
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PIKA_CONTAINER_TREE_STORE_COLUMN_NAME_SENSITIVE,
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NULL);
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combo->text_renderer = cell;
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g_signal_connect (combo, "changed",
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G_CALLBACK (pika_container_combo_box_changed),
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combo);
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gtk_widget_set_sensitive (GTK_WIDGET (combo), FALSE);
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}
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static void
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pika_container_combo_box_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaContainerComboBox *combo = PIKA_CONTAINER_COMBO_BOX (object);
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switch (property_id)
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{
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case PROP_ELLIPSIZE:
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g_object_set_property (G_OBJECT (combo->text_renderer),
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pspec->name, value);
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break;
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default:
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pika_container_view_set_property (object, property_id, value, pspec);
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break;
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}
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}
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static void
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pika_container_combo_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaContainerComboBox *combo = PIKA_CONTAINER_COMBO_BOX (object);
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switch (property_id)
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{
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case PROP_ELLIPSIZE:
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g_object_get_property (G_OBJECT (combo->text_renderer),
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pspec->name, value);
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break;
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default:
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pika_container_view_get_property (object, property_id, value, pspec);
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break;
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}
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}
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GtkWidget *
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pika_container_combo_box_new (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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{
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GtkWidget *combo_box;
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PikaContainerView *view;
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g_return_val_if_fail (container == NULL || PIKA_IS_CONTAINER (container),
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NULL);
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g_return_val_if_fail (context == NULL || PIKA_IS_CONTEXT (context), NULL);
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combo_box = g_object_new (PIKA_TYPE_CONTAINER_COMBO_BOX, NULL);
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view = PIKA_CONTAINER_VIEW (combo_box);
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pika_container_view_set_view_size (view, view_size, view_border_width);
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if (container)
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pika_container_view_set_container (view, container);
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if (context)
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pika_container_view_set_context (view, context);
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return combo_box;
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}
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/* PikaContainerView methods */
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static void
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pika_container_combo_box_set_context (PikaContainerView *view,
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PikaContext *context)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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parent_view_iface->set_context (view, context);
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if (model)
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pika_container_tree_store_set_context (PIKA_CONTAINER_TREE_STORE (model),
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context);
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}
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static gpointer
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pika_container_combo_box_insert_item (PikaContainerView *view,
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PikaViewable *viewable,
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gpointer parent_insert_data,
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gint index)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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if (model)
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{
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GtkTreeIter *iter;
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iter = pika_container_tree_store_insert_item (PIKA_CONTAINER_TREE_STORE (model),
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viewable,
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parent_insert_data,
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index);
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if (gtk_tree_model_iter_n_children (model, NULL) == 1)
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{
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/* PikaContainerViews don't select items by default */
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gtk_combo_box_set_active (GTK_COMBO_BOX (view), -1);
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gtk_widget_set_sensitive (GTK_WIDGET (view), TRUE);
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}
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return iter;
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}
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return NULL;
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}
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static void
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pika_container_combo_box_remove_item (PikaContainerView *view,
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PikaViewable *viewable,
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gpointer insert_data)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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if (model)
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{
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GtkTreeIter *iter = insert_data;
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pika_container_tree_store_remove_item (PIKA_CONTAINER_TREE_STORE (model),
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viewable,
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iter);
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if (iter && gtk_tree_model_iter_n_children (model, NULL) == 0)
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{
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gtk_widget_set_sensitive (GTK_WIDGET (view), FALSE);
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}
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}
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}
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static void
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pika_container_combo_box_reorder_item (PikaContainerView *view,
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PikaViewable *viewable,
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gint new_index,
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gpointer insert_data)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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if (model)
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pika_container_tree_store_reorder_item (PIKA_CONTAINER_TREE_STORE (model),
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viewable,
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new_index,
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insert_data);
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}
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static void
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pika_container_combo_box_rename_item (PikaContainerView *view,
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PikaViewable *viewable,
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gpointer insert_data)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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if (model)
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pika_container_tree_store_rename_item (PIKA_CONTAINER_TREE_STORE (model),
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viewable,
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insert_data);
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}
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static gboolean
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pika_container_combo_box_select_items (PikaContainerView *view,
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GList *viewables,
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GList *paths)
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{
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GtkComboBox *combo_box = GTK_COMBO_BOX (view);
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g_return_val_if_fail (PIKA_IS_CONTAINER_VIEW (view), FALSE);
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/* Only zero or one items may selected in a PikaContainerComboBox. */
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g_return_val_if_fail (g_list_length (viewables) < 2, FALSE);
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if (gtk_combo_box_get_model (GTK_COMBO_BOX (view)))
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{
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g_signal_handlers_block_by_func (combo_box,
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pika_container_combo_box_changed,
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view);
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if (viewables)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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GtkTreeIter iter;
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gboolean iter_valid;
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for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
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iter_valid;
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iter_valid = gtk_tree_model_iter_next (model, &iter))
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{
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PikaViewRenderer *renderer;
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gtk_tree_model_get (model, &iter,
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PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
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-1);
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if (renderer->viewable == viewables->data)
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{
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gtk_combo_box_set_active_iter (combo_box, &iter);
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g_object_unref (renderer);
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break;
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}
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g_object_unref (renderer);
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}
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}
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else
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{
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gtk_combo_box_set_active (combo_box, -1);
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}
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g_signal_handlers_unblock_by_func (combo_box,
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pika_container_combo_box_changed,
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view);
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}
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return TRUE;
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}
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static void
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pika_container_combo_box_clear_items (PikaContainerView *view)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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if (model)
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pika_container_tree_store_clear_items (PIKA_CONTAINER_TREE_STORE (model));
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gtk_widget_set_sensitive (GTK_WIDGET (view), FALSE);
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parent_view_iface->clear_items (view);
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}
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static void
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pika_container_combo_box_set_view_size (PikaContainerView *view)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view));
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if (model)
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pika_container_tree_store_set_view_size (PIKA_CONTAINER_TREE_STORE (model));
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}
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static gint
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pika_container_combo_box_get_selected (PikaContainerView *view,
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GList **items,
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GList **items_data)
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{
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GtkComboBox *combo_box = GTK_COMBO_BOX (view);
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PikaViewRenderer *renderer = NULL;
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GtkTreeIter iter;
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gint selected = 0;
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if (gtk_combo_box_get_active_iter (combo_box, &iter))
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gtk_tree_model_get (gtk_combo_box_get_model (combo_box), &iter,
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PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
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-1);
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if (items)
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{
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if (renderer != NULL && renderer->viewable != NULL)
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{
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*items = g_list_prepend (NULL, renderer->viewable);
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selected = 1;
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}
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else
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{
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*items = NULL;
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}
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}
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g_clear_object (&renderer);
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return selected;
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}
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static void
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pika_container_combo_box_changed (GtkComboBox *combo,
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PikaContainerView *view)
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{
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GtkTreeIter iter;
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if (gtk_combo_box_get_active_iter (combo, &iter))
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{
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PikaViewRenderer *renderer;
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gtk_tree_model_get (gtk_combo_box_get_model (combo), &iter,
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PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
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-1);
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pika_container_view_item_selected (view, renderer->viewable);
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g_object_unref (renderer);
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}
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}
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