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static void output_state (GtkToggleButton *source, gpointer user_data) {
printf ("Active: %d\n", gtk_toggle_button_get_active (source));
}
void make_toggles (void) {
GtkWidget *window, *toggle1, *toggle2;
GtkWidget *box;
const char *text;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
text = "Hi, I’m a toggle button.";
toggle1 = gtk_toggle_button_new_with_label (text);
// Makes this toggle button invisible
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (toggle1),
TRUE);
g_signal_connect (toggle1, "toggled",
G_CALLBACK (output_state),
NULL);
gtk_container_add (GTK_CONTAINER (box), toggle1);
text = "Hi, I’m a toggle button.";
toggle2 = gtk_toggle_button_new_with_label (text);
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (toggle2),
FALSE);
g_signal_connect (toggle2, "toggled",
G_CALLBACK (output_state),
NULL);
gtk_container_add (GTK_CONTAINER (box), toggle2);
gtk_container_add (GTK_CONTAINER (window), box);
gtk_widget_show_all (window);
} |