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/* testrichtext.c
* Copyright (C) 2006 Imendio AB
* Authors: Michael Natterer, Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include <gtk/gtk.h>
static guint32 quick_rand32_accu = 2147483563;
static inline guint32
quick_rand32 (void)
{
quick_rand32_accu = 1664525 * quick_rand32_accu + 1013904223;
return quick_rand32_accu;
}
static gboolean
delete_event (GtkWidget *widget,
GdkEventAny *event,
gpointer user_data)
{
gtk_main_quit ();
return TRUE;
}
static void
text_tag_enqueue (GtkTextTag *tag,
gpointer data)
{
GSList **slist_p = data;
*slist_p = g_slist_prepend (*slist_p, tag);
}
static const gchar *example_text =
"vkndsk vfds vkfds vkdsv fdlksnvkfdvnkfdvnkdsnvs\n"
"kmvofdmvfdsvkv fdskvnkfdv nnd.mckfdvnknsknvdnvs"
"fdlvmfdsvlkfdsmvnskdnvfdsnvf sbskjnvlknfd cvdvnd"
"mvlfdsv vfdkjv m, ds vkfdks v df,v j kfds v d\n"
"vnfdskv kjvnfv cfdkvndfnvcm fd,vk kdsf vj d\n"
"KLJHkjh kjh klhjKLJH Kjh kjl h34kj h34kj3h klj 23 "
"kjlkjlhsdjk 34kljh klj hklj 23k4jkjkjh234kjh 52kj "
"2h34 sdaf ukklj kjl32l jkkjl 23j jkl ljk23 jkl\n"
"hjhjhj2hj23jh jh jk jk2h3 hj kjj jk jh21 jhhj32.";
static GdkAtom
setup_buffer (GtkTextBuffer *buffer)
{
const guint tlen = strlen (example_text);
const guint tcount = 17;
GtkTextTag **tags;
GtkTextTagTable *ttable = gtk_text_buffer_get_tag_table (buffer);
GSList *node, *slist = NULL;
GdkAtom atom;
guint i;
tags = g_malloc (sizeof (GtkTextTag *) * tcount);
/* cleanup */
gtk_text_buffer_set_text (buffer, "", 0);
gtk_text_tag_table_foreach (ttable, text_tag_enqueue, &slist);
for (node = slist; node; node = node->next)
gtk_text_tag_table_remove (ttable, node->data);
g_slist_free (slist);
/* create new tags */
for (i = 0; i < tcount; i++)
{
char *s = g_strdup_printf ("tag%u", i);
tags[i] = gtk_text_buffer_create_tag (buffer, s,
"weight", quick_rand32() >> 31 ? PANGO_WEIGHT_BOLD : PANGO_WEIGHT_NORMAL,
"style", quick_rand32() >> 31 ? PANGO_STYLE_OBLIQUE : PANGO_STYLE_NORMAL,
"underline", quick_rand32() >> 31,
NULL);
g_free (s);
}
/* assign text and tags */
gtk_text_buffer_set_text (buffer, example_text, -1);
for (i = 0; i < tcount * 5; i++)
{
gint a = quick_rand32() % tlen, b = quick_rand32() % tlen;
GtkTextIter start, end;
gtk_text_buffer_get_iter_at_offset (buffer, &start, MIN (a, b));
gtk_text_buffer_get_iter_at_offset (buffer, &end, MAX (a, b));
gtk_text_buffer_apply_tag (buffer, tags[i % tcount], &start, &end);
}
/* return serialization format */
atom = gtk_text_buffer_register_deserialize_tagset (buffer, NULL);
gtk_text_buffer_deserialize_set_can_create_tags (buffer, atom, TRUE);
g_free (tags);
return atom;
}
static gboolean
test_serialize_deserialize (GtkTextBuffer *buffer,
GdkAtom atom,
GError **error)
{
GtkTextIter start, end;
guint8 *spew;
gsize spew_length;
gboolean success;
gtk_text_buffer_get_bounds (buffer, &start, &end);
spew = gtk_text_buffer_serialize (buffer, buffer, atom,
&start, &end, &spew_length);
success = gtk_text_buffer_deserialize (buffer, buffer, atom, &end,
spew, spew_length, error);
g_free (spew);
return success;
}
gint
main (gint argc,
gchar *argv[])
{
GtkWidget *window;
GtkWidget *sw;
GtkWidget *view;
GtkTextBuffer *buffer;
GdkAtom atom;
guint i, broken = 0;
gtk_init (&argc, &argv);
/* initialize random numbers, disable this for deterministic testing */
if (1)
quick_rand32_accu = g_random_int();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_size_request (window, 400, 300);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
GTK_SHADOW_IN);
gtk_container_set_border_width (GTK_CONTAINER (sw), 12);
gtk_container_add (GTK_CONTAINER (window), sw);
g_signal_connect (window, "delete-event",
G_CALLBACK (delete_event),
NULL);
buffer = gtk_text_buffer_new (NULL);
view = gtk_text_view_new_with_buffer (buffer);
g_object_unref (buffer);
gtk_container_add (GTK_CONTAINER (sw), view);
gtk_widget_show_all (window);
if (0)
gtk_main ();
for (i = 0; i < 250; i++)
{
GError *error = NULL;
g_printerr ("creating randomly tagged text buffer with accu=0x%x...\n", quick_rand32_accu);
atom = setup_buffer (buffer);
if (test_serialize_deserialize (buffer, atom, &error))
g_printerr ("ok.\n");
else
{
g_printerr ("FAIL: serialization/deserialization failed:\n %s\n", error->message);
broken += 1;
}
g_clear_error (&error);
}
return broken > 0;
}
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