region_playhead ()

void
region_playhead ();

initialize_playhead ()

void
initialize_playhead ();

scorearea_configure_event ()

gint
scorearea_configure_event (GtkWidget *widget,
                           GdkEventConfigure *event);

This function recaculates the number of measures that can be fit into the display, and returns

scorearea_draw_event ()

gint
scorearea_draw_event (GtkWidget *widget,
                      cairo_t *cr);

draw_score ()

void
draw_score (cairo_t *cr);