def retune_note(self, octave):
"""Retune the given note without playing it."""
# Get the tuning event for this coordinate
tuning, note_on, note_off = tonal_space_note_events(
(self.coord[0], self.coord[1], octave),
0, 0)
self.sequencer.send_event(tuning)
def toggle_note(self, octave):
"""Start or stop a note playing"""
# Get the events (note on and off) for this coordinate
tuning, note_on, note_off = tonal_space_note_events(
(self.coord[0], self.coord[1], octave),
0, 0)
if octave in self.playing:
self.playing.remove(octave)
del self.parent_window.playing_midi_notes[note_on.pitch]
self.sequencer.send_event(note_off)
# If no more notes playing, remove ourselves from the global playing record
if len(self.playing) == 0:
self.parent_window.playing_cells.remove(self)
else:
# If another instance of this ET note is playing, stop it, because
# it will get retuned by this tuning event :-(
if note_on.pitch in self.parent_window.playing_midi_notes:
oldcell,oldoctave = self.parent_window.playing_midi_notes[note_on.pitch]
oldcell.toggle_note(oldoctave)
# Start the note playing
self.playing.append(octave)
if self.parent_window.equal_temperament:
# Return the note to its default tuning (ET)
tuning = single_note_tuning_event(
[(note_on.pitch, note_on.pitch, 0)])
self.sequencer.send_event(tuning)
self.sequencer.send_event(note_on)
# Note globally that we're playing
self.parent_window.playing_cells.add(self)
self.parent_window.playing_midi_notes[note_on.pitch] = (self, octave)
self.refresh_playing()
