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
|
/* simple.c
* Copyright (C) 1997 Red Hat, Inc
* Author: Elliot Lee
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#include <string.h>
static gchar *
get_content (void)
{
GString *s;
gint i;
s = g_string_new ("");
for (i = 1; i <= 150; i++)
g_string_append_printf (s, "Line %d\n", i);
return g_string_free (s, FALSE);
}
static void
mode_changed (GtkComboBox *combo, GtkScrolledWindow *sw)
{
gint active = gtk_combo_box_get_active (combo);
gtk_scrolled_window_set_overlay_scrolling (sw, active == 1);
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
gchar *content;
GtkWidget *box;
GtkWidget *sw;
GtkWidget *tv;
GtkWidget *sb2;
GtkWidget *combo;
GtkAdjustment *adj;
gtk_init ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
gtk_container_add (GTK_CONTAINER (window), box);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (box), sw);
content = get_content ();
tv = gtk_text_view_new ();
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (tv), GTK_WRAP_WORD);
gtk_container_add (GTK_CONTAINER (sw), tv);
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv)),
content, -1);
g_free (content);
adj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (tv));
combo = gtk_combo_box_text_new ();
gtk_widget_set_valign (combo, GTK_ALIGN_START);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Traditional");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Overlay");
g_signal_connect (combo, "changed", G_CALLBACK (mode_changed), sw);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 1);
gtk_container_add (GTK_CONTAINER (box), combo);
sb2 = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL, adj);
gtk_container_add (GTK_CONTAINER (box), sb2);
gtk_widget_show (window);
gtk_main ();
return 0;
}
|