533 lines
13 KiB
C
533 lines
13 KiB
C
/*
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* Copyright (C) 2019, Red Hat, Inc.
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* Authors: Matthias Clasen <mclasen@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <locale.h>
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#include <gtk/gtk.h>
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static GQuark number_quark;
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static GQuark changes_quark;
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static guint
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get (GListModel *model,
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guint position)
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{
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GObject *object = g_list_model_get_item (model, position);
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guint number;
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g_assert_nonnull (object);
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number = GPOINTER_TO_UINT (g_object_get_qdata (object, number_quark));
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g_object_unref (object);
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return number;
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}
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static char *
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model_to_string (GListModel *model)
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{
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GString *string = g_string_new (NULL);
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guint i;
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for (i = 0; i < g_list_model_get_n_items (model); i++)
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{
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if (i > 0)
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g_string_append (string, " ");
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g_string_append_printf (string, "%u", get (model, i));
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}
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return g_string_free (string, FALSE);
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}
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static char *
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section_model_to_string (GListModel *model)
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{
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GString *string;
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guint i, s, e;
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if (!GTK_IS_SECTION_MODEL (model))
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return model_to_string (model);
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string = g_string_new (NULL);
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i = 0;
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while (i < g_list_model_get_n_items (model))
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{
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gtk_section_model_get_section (GTK_SECTION_MODEL (model), i, &s, &e);
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g_assert (s == i);
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if (i > 0)
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g_string_append (string, " ");
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g_string_append (string, "[");
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for (; i < e; i++)
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{
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if (i > s)
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g_string_append (string, " ");
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g_string_append_printf (string, "%u", get (model, i));
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}
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g_string_append (string, "]");
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i = e;
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}
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return g_string_free (string, FALSE);
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}
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static GListStore *
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new_store (guint start,
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guint end,
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guint step);
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static GObject *
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make_object (guint number)
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{
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GObject *object;
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/* 0 cannot be differentiated from NULL, so don't use it */
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g_assert_cmpint (number, !=, 0);
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object = g_object_new (G_TYPE_OBJECT, NULL);
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g_object_set_qdata (object, number_quark, GUINT_TO_POINTER (number));
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return object;
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}
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static void
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splice (GListStore *store,
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guint pos,
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guint removed,
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guint *numbers,
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guint added)
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{
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GObject **objects = g_newa (GObject *, added);
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guint i;
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for (i = 0; i < added; i++)
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objects[i] = make_object (numbers[i]);
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g_list_store_splice (store, pos, removed, (gpointer *) objects, added);
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for (i = 0; i < added; i++)
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g_object_unref (objects[i]);
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}
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static void
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add (GListStore *store,
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guint number)
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{
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GObject *object = make_object (number);
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g_list_store_append (store, object);
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g_object_unref (object);
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}
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static void
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insert (GListStore *store,
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guint position,
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guint number)
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{
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GObject *object = make_object (number);
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g_list_store_insert (store, position, object);
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g_object_unref (object);
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}
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#define assert_model(model, expected) G_STMT_START{ \
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char *s = model_to_string (G_LIST_MODEL (model)); \
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if (!g_str_equal (s, expected)) \
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g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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#model " == " #expected, s, "==", expected); \
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g_free (s); \
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}G_STMT_END
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#define assert_section_model(model, expected) G_STMT_START{ \
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char *s = section_model_to_string (G_LIST_MODEL (model)); \
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if (!g_str_equal (s, expected)) \
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g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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#model " == " #expected, s, "==", expected); \
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g_free (s); \
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}G_STMT_END
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#define assert_changes(model, expected) G_STMT_START{ \
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GString *changes = g_object_get_qdata (G_OBJECT (model), changes_quark); \
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if (!g_str_equal (changes->str, expected)) \
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g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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#model " == " #expected, changes->str, "==", expected); \
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g_string_set_size (changes, 0); \
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}G_STMT_END
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static GListStore *
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new_empty_store (void)
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{
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return g_list_store_new (G_TYPE_OBJECT);
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}
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static GListStore *
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new_store (guint start,
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guint end,
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guint step)
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{
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GListStore *store = new_empty_store ();
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guint i;
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for (i = start; i <= end; i += step)
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add (store, i);
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return store;
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}
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static void
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items_changed (GListModel *model,
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guint position,
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guint removed,
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guint added,
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GString *changes)
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{
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g_assert_true (removed != 0 || added != 0);
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if (changes->len)
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g_string_append (changes, ", ");
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if (removed == 1 && added == 0)
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{
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g_string_append_printf (changes, "-%u", position);
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}
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else if (removed == 0 && added == 1)
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{
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g_string_append_printf (changes, "+%u", position);
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}
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else
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{
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g_string_append_printf (changes, "%u", position);
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if (removed > 0)
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g_string_append_printf (changes, "-%u", removed);
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if (added > 0)
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g_string_append_printf (changes, "+%u", added);
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}
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}
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static void
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sections_changed (GListModel *model,
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guint position,
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guint n_items,
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GString *changes)
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{
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g_assert_true (n_items != 0);
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if (changes->len)
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g_string_append (changes, ", ");
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g_string_append_printf (changes, "s%u:%u", position, n_items);
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}
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static void
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notify_n_items (GObject *object,
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GParamSpec *pspec,
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GString *changes)
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{
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g_string_append_c (changes, '*');
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}
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static void
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free_changes (gpointer data)
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{
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GString *changes = data;
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/* all changes must have been checked via assert_changes() before */
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g_assert_cmpstr (changes->str, ==, "");
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g_string_free (changes, TRUE);
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}
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static GtkSliceListModel *
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new_model (GListModel *store, guint offset, guint size)
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{
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GtkSliceListModel *result;
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GString *changes;
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if (store)
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g_object_ref (store);
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result = gtk_slice_list_model_new (store, offset, size);
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changes = g_string_new ("");
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g_object_set_qdata_full (G_OBJECT (result), changes_quark, changes, free_changes);
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g_signal_connect (result, "items-changed", G_CALLBACK (items_changed), changes);
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g_signal_connect (result, "sections-changed", G_CALLBACK (sections_changed), changes);
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g_signal_connect (result, "notify::n-items", G_CALLBACK (notify_n_items), changes);
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return result;
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}
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static void
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test_create_empty (void)
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{
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GtkSliceListModel *slice;
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slice = new_model (NULL, 0, 0);
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assert_model (slice, "");
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assert_changes (slice, "");
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g_object_unref (slice);
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}
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static void
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test_create (void)
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{
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GtkSliceListModel *slice;
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GListStore *store;
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store = new_store (1, 5, 2);
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slice = new_model (G_LIST_MODEL (store), 0, 10);
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assert_model (slice, "1 3 5");
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assert_changes (slice, "");
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g_object_unref (store);
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assert_model (slice, "1 3 5");
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assert_changes (slice, "");
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g_assert_true (g_list_model_get_item_type (G_LIST_MODEL (slice)) == G_TYPE_OBJECT);
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g_object_unref (slice);
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}
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static void
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test_set_model (void)
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{
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GtkSliceListModel *slice;
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GListStore *store;
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slice = new_model (NULL, 0, 2);
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assert_model (slice, "");
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assert_changes (slice, "");
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store = new_store (1, 7, 2);
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gtk_slice_list_model_set_model (slice, G_LIST_MODEL (store));
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assert_model (slice, "1 3");
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assert_changes (slice, "0+2*");
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gtk_slice_list_model_set_model (slice, NULL);
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assert_model (slice, "");
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assert_changes (slice, "0-2*");
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g_object_unref (store);
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g_object_unref (slice);
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}
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static void
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test_set_slice (void)
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{
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GtkSliceListModel *slice;
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GListStore *store;
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store = new_store (1, 7, 2);
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slice = new_model (G_LIST_MODEL (store), 0, 3);
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assert_model (slice, "1 3 5");
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assert_changes (slice, "");
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gtk_slice_list_model_set_offset (slice, 1);
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assert_model (slice, "3 5 7");
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assert_changes (slice, "0-3+3");
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gtk_slice_list_model_set_size (slice, 2);
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assert_model (slice, "3 5");
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assert_changes (slice, "-2*");
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gtk_slice_list_model_set_size (slice, 10);
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assert_model (slice, "3 5 7");
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assert_changes (slice, "+2*");
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g_assert_cmpuint (gtk_slice_list_model_get_offset (slice), ==, 1);
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g_object_unref (store);
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g_object_unref (slice);
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}
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static void
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test_changes (void)
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{
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GtkSliceListModel *slice;
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GListStore *store;
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store = new_store (1, 20, 1);
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slice = new_model (G_LIST_MODEL (store), 10, 5);
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assert_model (slice, "11 12 13 14 15");
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assert_changes (slice, "");
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g_list_store_remove (store, 19);
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assert_changes (slice, "");
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splice (store, 1, 1, (guint[]) { 111 }, 1);
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assert_changes (slice, "");
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splice (store, 18, 1, (guint[]) { 19, 20 }, 2);
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assert_changes (slice, "");
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g_list_store_remove (store, 19);
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assert_changes (slice, "");
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g_list_store_remove (store, 1);
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assert_model (slice, "12 13 14 15 16");
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assert_changes (slice, "0-5+5");
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insert (store, 12, 99);
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assert_model (slice, "12 13 99 14 15");
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assert_changes (slice, "2-3+3");
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splice (store, 13, 6, (guint[]) { 97 }, 1);
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assert_model (slice, "12 13 99 97");
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assert_changes (slice, "3-2+1*");
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splice (store, 13, 1, (guint[]) { 36, 37, 38 }, 3);
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assert_model (slice, "12 13 99 36 37");
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assert_changes (slice, "3-1+2*");
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g_list_store_remove_all (store);
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assert_model (slice, "");
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assert_changes (slice, "0-5*");
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g_object_unref (store);
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g_object_unref (slice);
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}
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static void
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test_bug_added_equals_removed (void)
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{
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GtkSliceListModel *slice;
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GListStore *store;
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store = new_store (1, 10, 1);
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slice = new_model (G_LIST_MODEL (store), 0, 10);
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assert_model (slice, "1 2 3 4 5 6 7 8 9 10");
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assert_changes (slice, "");
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splice (store, 9, 1, (guint[]) { 11 }, 1);
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assert_model (slice, "1 2 3 4 5 6 7 8 9 11");
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assert_changes (slice, "9-1+1");
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g_object_unref (store);
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g_object_unref (slice);
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}
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static void
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test_bug_skip_amount (void)
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{
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GtkSliceListModel *slice;
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GListStore *store;
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store = new_store (1, 5, 1);
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slice = new_model (G_LIST_MODEL (store), 2, 2);
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assert_model (slice, "3 4");
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assert_changes (slice, "");
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splice (store, 0, 5, (guint[]) { 11, 12, 13, 14, 15 }, 5);
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assert_model (slice, "13 14");
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assert_changes (slice, "0-2+2");
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g_object_unref (store);
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g_object_unref (slice);
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}
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static int
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by_n (gconstpointer p1,
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gconstpointer p2,
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gpointer data)
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{
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guint n1 = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (p1), number_quark));
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guint n2 = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (p2), number_quark));
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unsigned int n = GPOINTER_TO_UINT (data);
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n1 = n1 / n;
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n2 = n2 / n;
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if (n1 < n2)
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return -1;
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else if (n1 > n2)
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return 1;
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else
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return 0;
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}
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static int
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compare (gconstpointer first,
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gconstpointer second,
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gpointer unused)
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{
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return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (first), number_quark))
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- GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (second), number_quark));
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}
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static void
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test_sections (void)
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{
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GListStore *store;
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GtkSortListModel *sorted;
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GtkSliceListModel *slice;
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GtkSorter *sorter;
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store = new_store (1, 10, 1);
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sorted = gtk_sort_list_model_new (G_LIST_MODEL (store),
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GTK_SORTER (gtk_custom_sorter_new (compare, NULL, NULL)));
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slice = new_model (G_LIST_MODEL (sorted), 0, 10);
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assert_model (slice, "1 2 3 4 5 6 7 8 9 10");
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assert_section_model (slice, "[1 2 3 4 5 6 7 8 9 10]");
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assert_changes (slice, "");
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sorter = GTK_SORTER (gtk_custom_sorter_new (by_n, GUINT_TO_POINTER (3), NULL));
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gtk_sort_list_model_set_section_sorter (sorted, sorter);
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g_object_unref (sorter);
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assert_section_model (slice, "[1 2] [3 4 5] [6 7 8] [9 10]");
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assert_changes (slice, "s0:10");
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gtk_slice_list_model_set_size (slice, 5);
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assert_section_model (slice, "[1 2] [3 4 5]");
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assert_changes (slice, "5-5*");
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gtk_slice_list_model_set_offset (slice, 1);
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assert_section_model (slice, "[2] [3 4 5] [6]");
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assert_changes (slice, "0-5+5");
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gtk_section_model_sections_changed (GTK_SECTION_MODEL (sorted), 0, 3);
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assert_changes (slice, "s0:2");
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gtk_section_model_sections_changed (GTK_SECTION_MODEL (sorted), 5, 3);
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assert_changes (slice, "s4:1");
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g_object_unref (slice);
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}
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int
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main (int argc, char *argv[])
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{
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(g_test_init) (&argc, &argv, NULL);
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setlocale (LC_ALL, "C");
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number_quark = g_quark_from_static_string ("Hell and fire was spawned to be released.");
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changes_quark = g_quark_from_static_string ("What did I see? Can I believe what I saw?");
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g_test_add_func ("/slicelistmodel/create_empty", test_create_empty);
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g_test_add_func ("/slicelistmodel/create", test_create);
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g_test_add_func ("/slicelistmodel/set-model", test_set_model);
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g_test_add_func ("/slicelistmodel/set-slice", test_set_slice);
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g_test_add_func ("/slicelistmodel/changes", test_changes);
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g_test_add_func ("/slicelistmodel/bug/added_equals_removed", test_bug_added_equals_removed);
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g_test_add_func ("/slicelistmodel/bug/skip_amount", test_bug_skip_amount);
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g_test_add_func ("/slicelistmodel/sections", test_sections);
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return g_test_run ();
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}
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