2 * Copyright (C) 2006 Imendio AB
3 * Authors: Michael Natterer, Tim Janik
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
22 static guint32 quick_rand32_accu = 2147483563;
27 quick_rand32_accu = 1664525 * quick_rand32_accu + 1013904223;
28 return quick_rand32_accu;
32 delete_event (GtkWidget *widget,
42 text_tag_enqueue (GtkTextTag *tag,
45 GSList **slist_p = data;
46 *slist_p = g_slist_prepend (*slist_p, tag);
49 static const gchar *example_text =
50 "vkndsk vfds vkfds vkdsv fdlksnvkfdvnkfdvnkdsnvs\n"
51 "kmvofdmvfdsvkv fdskvnkfdv nnd.mckfdvnknsknvdnvs"
52 "fdlvmfdsvlkfdsmvnskdnvfdsnvf sbskjnvlknfd cvdvnd"
53 "mvlfdsv vfdkjv m, ds vkfdks v df,v j kfds v d\n"
54 "vnfdskv kjvnfv cfdkvndfnvcm fd,vk kdsf vj d\n"
55 "KLJHkjh kjh klhjKLJH Kjh kjl h34kj h34kj3h klj 23 "
56 "kjlkjlhsdjk 34kljh klj hklj 23k4jkjkjh234kjh 52kj "
57 "2h34 sdaf ukklj kjl32l jkkjl 23j jkl ljk23 jkl\n"
58 "hjhjhj2hj23jh jh jk jk2h3 hj kjj jk jh21 jhhj32.";
61 setup_buffer (GtkTextBuffer *buffer)
63 const guint tlen = strlen (example_text);
64 const guint tcount = 17;
66 GtkTextTagTable *ttable = gtk_text_buffer_get_tag_table (buffer);
67 GSList *node, *slist = NULL;
71 tags = g_malloc (sizeof (GtkTextTag *) * tcount);
74 gtk_text_buffer_set_text (buffer, "", 0);
75 gtk_text_tag_table_foreach (ttable, text_tag_enqueue, &slist);
76 for (node = slist; node; node = node->next)
77 gtk_text_tag_table_remove (ttable, node->data);
81 for (i = 0; i < tcount; i++)
83 char *s = g_strdup_printf ("tag%u", i);
84 tags[i] = gtk_text_buffer_create_tag (buffer, s,
85 "weight", quick_rand32() >> 31 ? PANGO_WEIGHT_BOLD : PANGO_WEIGHT_NORMAL,
86 "style", quick_rand32() >> 31 ? PANGO_STYLE_OBLIQUE : PANGO_STYLE_NORMAL,
87 "underline", quick_rand32() >> 31,
92 /* assign text and tags */
93 gtk_text_buffer_set_text (buffer, example_text, -1);
94 for (i = 0; i < tcount * 5; i++)
96 gint a = quick_rand32() % tlen, b = quick_rand32() % tlen;
97 GtkTextIter start, end;
98 gtk_text_buffer_get_iter_at_offset (buffer, &start, MIN (a, b));
99 gtk_text_buffer_get_iter_at_offset (buffer, &end, MAX (a, b));
100 gtk_text_buffer_apply_tag (buffer, tags[i % tcount], &start, &end);
103 /* return serialization format */
104 atom = gtk_text_buffer_register_deserialize_tagset (buffer, NULL);
105 gtk_text_buffer_deserialize_set_can_create_tags (buffer, atom, TRUE);
113 test_serialize_deserialize (GtkTextBuffer *buffer,
117 GtkTextIter start, end;
122 gtk_text_buffer_get_bounds (buffer, &start, &end);
124 spew = gtk_text_buffer_serialize (buffer, buffer, atom,
125 &start, &end, &spew_length);
127 success = gtk_text_buffer_deserialize (buffer, buffer, atom, &end,
128 spew, spew_length, error);
142 GtkTextBuffer *buffer;
146 gtk_init (&argc, &argv);
148 /* initialize random numbers, disable this for deterministic testing */
150 quick_rand32_accu = g_random_int();
152 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
153 gtk_widget_set_size_request (window, 400, 300);
155 sw = gtk_scrolled_window_new (NULL, NULL);
156 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
158 gtk_container_set_border_width (GTK_CONTAINER (sw), 12);
159 gtk_container_add (GTK_CONTAINER (window), sw);
161 g_signal_connect (window, "delete-event",
162 G_CALLBACK (delete_event),
165 buffer = gtk_text_buffer_new (NULL);
166 view = gtk_text_view_new_with_buffer (buffer);
167 g_object_unref (buffer);
169 gtk_container_add (GTK_CONTAINER (sw), view);
171 gtk_widget_show_all (window);
175 for (i = 0; i < 250; i++)
177 GError *error = NULL;
178 g_printerr ("creating randomly tagged text buffer with accu=0x%x...\n", quick_rand32_accu);
179 atom = setup_buffer (buffer);
180 if (test_serialize_deserialize (buffer, atom, &error))
181 g_printerr ("ok.\n");
184 g_printerr ("FAIL: serialization/deserialization failed:\n %s\n", error->message);
187 g_clear_error (&error);