def markScale(self, scaleName, keyName):
"""Mark the scale in the given key.
scaleName -- a key found in INTERVALS
keyName -- see: checkNoteName()
Does not call update(). Raise Exception if either scaleName or keyName
is unknown. Return None.
"""
try:
keyName = self.checkNoteName(keyName)
except:
raise Exception('Unknown key name: {}'.format(repr(keyName)))
intervals = INTERVALS.get(scaleName, None)
if intervals is None:
raise Exception('Unknown scale name: {}'.format(repr(scaleName)))
self.markedNotes = []
idx = NOTES.index(keyName)
shiftedNotes = listRot(NOTES, -idx)
notes = [shiftedNotes[0]]
i = 0
for ii in intervals[:-1]:
i = i + ii
notes.append(shiftedNotes[i])
self.markedNotes = []
for name in notes:
noteName = self.checkNoteName(name)
for string, stringNotes in enumerate(self.allNotes):
for fret, note in enumerate(stringNotes):
if note == noteName:
self.markedNotes.append((string, fret,
note == keyName))
def __init__(self, parent=None):
super(ScaleWidget, self).__init__('Scales', parent)
keyLabel = QLabel('Key')
self.keyComboBox = QComboBox()
for noteName in [ASC2UNI[x] for x in
"Ab A A# Bb B C C# Db D D#"
" Eb E F F# Gb G G#".split()]:
self.keyComboBox.addItem(noteName)
self.scaleListView = QListWidget()
for scale in sorted(INTERVALS.keys()):
self.scaleListView.addItem(scale)
self.scaleListView.setCurrentRow(0)
vLayout = QVBoxLayout(self)
hLayout = QHBoxLayout()
hLayout.addWidget(keyLabel)
hLayout.addWidget(self.keyComboBox)
hLayout.addStretch(1)
vLayout.addLayout(hLayout)
vLayout.addWidget(self.scaleListView)
self.setLayout(vLayout)
def __init__(self, parent=None):
super(ScaleWidget, self).__init__('Scales', parent)
keyLabel = QLabel('Key')
self.keyComboBox = QComboBox()
for noteName in [
ASC2UNI[x] for x in "Ab A A# Bb B C C# Db D D#"
" Eb E F F# Gb G G#".split()
]:
self.keyComboBox.addItem(noteName)
self.scaleListView = QListWidget()
for scale in sorted(INTERVALS.keys()):
self.scaleListView.addItem(scale)
self.scaleListView.setCurrentRow(0)
vLayout = QVBoxLayout(self)
hLayout = QHBoxLayout()
hLayout.addWidget(keyLabel)
hLayout.addWidget(self.keyComboBox)
hLayout.addStretch(1)
vLayout.addLayout(hLayout)
vLayout.addWidget(self.scaleListView)
self.setLayout(vLayout)