This note selection widget is a subclass of Fl_Group. It is useful for selecting or displaying a note, or getting the frequency in Hz of a piano note.
Create a new Fl_NoteChooser widget using the given position and size.
Get the current note value.
Get and set the lowest and highest notes on the keyboard. Notes are integers: zero is middle C, 12 is an octave above, -12 is an octave below, etc.