unsigned int key_press_handler = g_signal_connect( G_OBJECT( window ), "key_press_event", G_CALLBACK( PressedKeys_key_press ), &g_pressedKeys );
unsigned int key_release_handler = g_signal_connect( G_OBJECT( window ), "key_release_event", G_CALLBACK( PressedKeys_key_release ), &g_pressedKeys );
g_object_set_data( G_OBJECT( window ), "key_press_handler", gint_to_pointer( key_press_handler ) );
unsigned int key_press_handler = g_signal_connect( G_OBJECT( window ), "key_press_event", G_CALLBACK( PressedKeys_key_press ), &g_pressedKeys );
unsigned int key_release_handler = g_signal_connect( G_OBJECT( window ), "key_release_event", G_CALLBACK( PressedKeys_key_release ), &g_pressedKeys );
g_object_set_data( G_OBJECT( window ), "key_press_handler", gint_to_pointer( key_press_handler ) );