g_signal_connect(G_OBJECT(adjustment), "value-changed", G_CALLBACK(cbUserSeek), data);
g_signal_connect(G_OBJECT(scale), "format-value", G_CALLBACK(cbFormatSeekbarValue), data);
g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(cbDestroy), data);
g_signal_connect(G_OBJECT(adjustment), "value-changed", G_CALLBACK(cbUserSeek), data);
g_signal_connect(G_OBJECT(scale), "format-value", G_CALLBACK(cbFormatSeekbarValue), data);
g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(cbDestroy), data);