1 /* testvolumebutton.c
2 * Copyright (C) 2007 Red Hat, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 #include <gtk/gtk.h>
21
22 static void
value_changed(GtkWidget * button,gdouble volume,gpointer user_data)23 value_changed (GtkWidget *button,
24 gdouble volume,
25 gpointer user_data)
26 {
27 g_message ("volume changed to %f", volume);
28 }
29
30 static void
toggle_orientation(GtkWidget * button,GtkWidget * scalebutton)31 toggle_orientation (GtkWidget *button,
32 GtkWidget *scalebutton)
33 {
34 if (gtk_orientable_get_orientation (GTK_ORIENTABLE (scalebutton)) ==
35 GTK_ORIENTATION_HORIZONTAL)
36 {
37 gtk_orientable_set_orientation (GTK_ORIENTABLE (scalebutton),
38 GTK_ORIENTATION_VERTICAL);
39 }
40 else
41 {
42 gtk_orientable_set_orientation (GTK_ORIENTABLE (scalebutton),
43 GTK_ORIENTATION_HORIZONTAL);
44 }
45 }
46
47 static void
response_cb(GtkDialog * dialog,gint arg1,gpointer user_data)48 response_cb (GtkDialog *dialog,
49 gint arg1,
50 gpointer user_data)
51 {
52 gtk_widget_destroy (GTK_WIDGET (dialog));
53 }
54
55 static gboolean
show_error(gpointer data)56 show_error (gpointer data)
57 {
58 GtkWindow *window = (GtkWindow *) data;
59 GtkWidget *dialog;
60
61 g_message ("showing error");
62
63 dialog = gtk_message_dialog_new (window,
64 GTK_DIALOG_MODAL,
65 GTK_MESSAGE_INFO,
66 GTK_BUTTONS_CLOSE,
67 "This should have unbroken the grab");
68 g_signal_connect (G_OBJECT (dialog),
69 "response",
70 G_CALLBACK (response_cb), NULL);
71 gtk_widget_show (dialog);
72
73 return FALSE;
74 }
75
76 int
main(int argc,char ** argv)77 main (int argc,
78 char **argv)
79 {
80 GtkWidget *window;
81 GtkWidget *button;
82 GtkWidget *button2;
83 GtkWidget *button3;
84 GtkWidget *box;
85
86 gtk_init (&argc, &argv);
87
88 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
89 button = gtk_volume_button_new ();
90 button2 = gtk_volume_button_new ();
91 box = gtk_hbox_new (FALSE, 0);
92
93 g_signal_connect (G_OBJECT (button), "value-changed",
94 G_CALLBACK (value_changed),
95 NULL);
96
97 gtk_container_add (GTK_CONTAINER (window), box);
98 gtk_container_add (GTK_CONTAINER (box), button);
99 gtk_container_add (GTK_CONTAINER (box), button2);
100
101 button3 = gtk_button_new_with_label ("Toggle orientation");
102 gtk_container_add (GTK_CONTAINER (box), button3);
103
104 g_signal_connect (G_OBJECT (button3), "clicked",
105 G_CALLBACK (toggle_orientation),
106 button);
107 g_signal_connect (G_OBJECT (button3), "clicked",
108 G_CALLBACK (toggle_orientation),
109 button2);
110
111 gtk_widget_show_all (window);
112 gtk_button_clicked (GTK_BUTTON (button));
113 g_timeout_add (4000, (GSourceFunc) show_error, window);
114
115 gtk_main ();
116
117 return 0;
118 }
119