/* Connect signal handlers */
win->keypress_handler = g_signal_connect( G_OBJECT(textview), "key-press-event", G_CALLBACK(on_window_key_press_event), win );
g_signal_handler_block( G_OBJECT(textview), win->keypress_handler );
/* Connect signal handlers */
win->keypress_handler = g_signal_connect( G_OBJECT(textview), "key-press-event", G_CALLBACK(on_window_key_press_event), win );
g_signal_handler_block( G_OBJECT(textview), win->keypress_handler );