1 #include <gtk/gtk.h>
2
3 /* signal handler for "toggled" signal of the CheckButton */
4 static void
toggled_cb(GtkToggleButton * toggle_button,gpointer user_data)5 toggled_cb (GtkToggleButton *toggle_button,
6 gpointer user_data)
7 {
8 GtkWindow *window = user_data;
9
10 if (gtk_toggle_button_get_active (toggle_button))
11 gtk_window_set_title (window, "CheckButton Example");
12 else
13 gtk_window_set_title (window, "");
14 }
15
16 static void
activate(GtkApplication * app,gpointer user_data)17 activate (GtkApplication *app,
18 gpointer user_data)
19 {
20 GtkWidget *window;
21 GtkWidget *checkbutton;
22
23 window = gtk_application_window_new (app);
24 gtk_window_set_title (GTK_WINDOW (window), "CheckButton Example");
25 gtk_window_set_default_size (GTK_WINDOW (window), 300, 100);
26
27 checkbutton = gtk_check_button_new_with_label ("Show Title");
28 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), TRUE);
29 g_signal_connect (GTK_TOGGLE_BUTTON (checkbutton), "toggled", G_CALLBACK (toggled_cb), window);
30 gtk_container_add (GTK_CONTAINER (window), checkbutton);
31 gtk_widget_show_all (window);
32 }
33
34 int
main(int argc,char ** argv)35 main (int argc, char **argv)
36 {
37 GtkApplication *app;
38 int status;
39
40 app = gtk_application_new ("org.example.checkbutton", G_APPLICATION_FLAGS_NONE);
41 g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
42 status = g_application_run (G_APPLICATION (app), argc, argv);
43 g_object_unref (app);
44
45 return status;
46 }
47