1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; coding: utf-8 -*- */
/*
* This file is part of GtkSourceView
*
* Copyright (C) 2014 - Sébastien Wilmet <swilmet@gnome.org>
*
* GtkSourceView 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 2.1 of the License, or (at your option) any later version.
*
* GtkSourceView 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, see <http://www.gnu.org/licenses/>.
*/
#include <gtksourceview/gtksource.h>
#define NB_LINES 100000
/* Returns the number of undo's. */
static gint
test_undo_redo (GtkSourceBuffer *buffer,
gint max_actions)
{
gint nb_actions;
gint i;
for (nb_actions = 0; nb_actions < max_actions; nb_actions++)
{
if (gtk_source_buffer_can_undo (buffer))
{
gtk_source_buffer_undo (buffer);
}
else
{
break;
}
}
for (i = 0; i < nb_actions; i++)
{
g_assert_true (gtk_source_buffer_can_redo (buffer));
gtk_source_buffer_redo (buffer);
}
return nb_actions;
}
gint
main (gint argc,
gchar **argv)
{
GtkSourceBuffer *source_buffer;
GtkTextBuffer *text_buffer;
GtkTextIter iter;
GTimer *timer;
gint nb_actions;
gint i;
gtk_init (&argc, &argv);
source_buffer = gtk_source_buffer_new (NULL);
text_buffer = GTK_TEXT_BUFFER (source_buffer);
gtk_text_buffer_get_start_iter (text_buffer, &iter);
for (i = 0; i < NB_LINES; i++)
{
gtk_text_buffer_begin_user_action (text_buffer);
gtk_text_buffer_insert (text_buffer,
&iter,
"A line of text to fill the text buffer. Is it long enough?\n",
-1);
gtk_text_buffer_end_user_action (text_buffer);
}
timer = g_timer_new ();
nb_actions = test_undo_redo (source_buffer, NB_LINES / 10);
g_timer_stop (timer);
g_print ("Undo/Redo %d actions: %lf seconds.\n",
nb_actions,
g_timer_elapsed (timer, NULL));
g_timer_start (timer);
nb_actions = test_undo_redo (source_buffer, NB_LINES);
g_timer_stop (timer);
g_print ("Undo/Redo %d actions: %lf seconds.\n",
nb_actions,
g_timer_elapsed (timer, NULL));
g_object_unref (source_buffer);
g_timer_destroy (timer);
return 0;
}
|
