// GtkFileChooserButton signals
g_signal_connect(m_widget, "current-folder-changed",
G_CALLBACK(gtk_dirbutton_currentfolderchanged_callback), this);
// GtkFileChooserButton signals
g_signal_connect(m_widget, "current-folder-changed",
G_CALLBACK(gtk_dirbutton_currentfolderchanged_callback), this);