void sync_selection_mode (AudioClock*);
void sync_punch_mode (AudioClock*);
bool clock_button_release_event (GdkEventButton* ev, AudioClock* src);
void track_mouse_mode ();
void sync_selection_mode (AudioClock*);
void sync_punch_mode (AudioClock*);
bool clock_button_release_event (GdkEventButton* ev, AudioClock* src);
void track_mouse_mode ();