forked from AuroraMiddleware/gtk
127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
/*
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* Copyright (C) 2022, Red Hat, Inc.
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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 changes_quark;
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static void
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items_changed_cb (GListModel *model,
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guint position,
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guint removed,
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guint added)
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{
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GString *changes;
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g_assert_true (removed != 0 || added != 0);
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changes = g_object_get_qdata (G_OBJECT (model), changes_quark);
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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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#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 void
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free_changes (gpointer data)
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{
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GString *s = data;
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g_string_free (s, TRUE);
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}
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static void
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test_list_list_model (void)
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{
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GtkWidget *box;
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GListModel *model;
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GtkWidget *a, *b;
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GObject *item;
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guint n_items;
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box = g_object_ref_sink (gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0));
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model = gtk_widget_observe_children (box);
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g_assert_true (g_list_model_get_item_type (model) == G_TYPE_OBJECT);
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g_assert_true (g_list_model_get_n_items (model) == 0);
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g_assert_true (g_list_model_get_item (model, 0) == NULL);
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g_object_set_qdata_full (G_OBJECT (model), changes_quark, g_string_new (""), free_changes);
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g_signal_connect (model, "items-changed", G_CALLBACK (items_changed_cb), NULL);
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a = gtk_label_new ("a");
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b = gtk_label_new ("b");
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gtk_box_append (GTK_BOX (box), a);
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gtk_box_append (GTK_BOX (box), b);
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item = g_list_model_get_item (model, 0);
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g_assert_true (GTK_WIDGET (item) == a);
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g_object_unref (item);
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item = g_list_model_get_item (model, 1);
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g_assert_true (GTK_WIDGET (item) == b);
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g_object_unref (item);
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assert_changes (model, "+0, +1");
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g_object_get (model, "n-items", &n_items, NULL);
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g_assert_true (n_items == 2);
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g_object_unref (model);
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g_object_unref (box);
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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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gtk_init ();
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setlocale (LC_ALL, "C");
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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 ("/listlistmodel/change", test_list_list_model);
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return g_test_run ();
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}
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