G_CALLBACK(image_click_cb), imd);
g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
G_CALLBACK(image_scroll_notify_cb), imd);
G_CALLBACK(image_click_cb), imd);
g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
G_CALLBACK(image_scroll_notify_cb), imd);