def f(widget, i):
added = self.g_rwidget.on_add_item(elems.Note(
MusicalPitch.new_from_notename("c"),
Duration(i, 0)))
if self.g_add_dots_toggle.get_active():
self.g_rwidget.on_toggle_dots(1)
if added:
self.g_rwidget.cursor_next()
self.g_rwidget.grab_focus()
def f(widget, i):
added = self.g_rwidget.on_add_item(elems.Note(
MusicalPitch.new_from_notename("c"),
Duration(i, 0)))
if self.g_add_dots_toggle.get_active():
self.g_rwidget.on_toggle_dots(1)
if added:
self.g_rwidget.cursor_next()
self.g_rwidget.grab_focus()
def new_from_string(string):
s = string.strip()
m = re_melodic.match(s)
if m.end() < len(s) - 1:
# FIXME: raise ValueError like rest
raise Note.Exception("characters left in string", string)
return Note(
MusicalPitch.new_from_notename("%s%s" % (m.group('notename'),
m.group('octave'))),
Duration.new_from_string("%s%s" % (m.group('len'), m.group('dots')))
)
def new_from_string(string):
s = string.strip()
m = re_melodic.match(s)
if m.end() < len(s) - 1:
# FIXME: raise ValueError like rest
raise Note.Exception("characters left in string", string)
return Note(
MusicalPitch.new_from_notename(
"%s%s" % (m.group('notename'), m.group('octave'))),
Duration.new_from_string("%s%s" %
(m.group('len'), m.group('dots'))))
def on_key_press(self, window, event):
if not self.m_editable:
return
key_dict = {
Gdk.KEY_1: 1,
Gdk.KEY_2: 2,
Gdk.KEY_3: 4,
Gdk.KEY_4: 8,
Gdk.KEY_5: 16,
Gdk.KEY_6: 32,
}
if event.keyval in (Gdk.KEY_Right, Gdk.KEY_KP_Right):
self.cursor_next()
self.queue_draw()
elif event.keyval in (Gdk.KEY_Left, Gdk.KEY_KP_Left):
self.cursor_prev()
self.queue_draw()
elif event.keyval == Gdk.KEY_BackSpace:
self.backspace()
elif event.keyval in (Gdk.KEY_Delete, Gdk.KEY_KP_Delete):
self.delete()
elif event.keyval in key_dict:
if self.m_input_mode == self.NOTE_INPUT:
added = self.on_add_item(
elems.Note(MusicalPitch.new_from_notename("c"),
Duration(key_dict[event.keyval], 0)))
else:
assert self.m_input_mode == self.REST_INPUT
added = self.on_add_item(
elems.Rest(Duration(key_dict[event.keyval], 0)))
if added:
self.cursor_next()
self.queue_draw()
self.grab_focus()
elif event.keyval == Gdk.KEY_period:
self.on_toggle_dots(1)
elif event.keyval == Gdk.KEY_colon:
self.on_toggle_dots(-1)
elif event.keyval == Gdk.KEY_t:
self.on_toggle_tie()
elif event.keyval == Gdk.KEY_r:
if self.m_input_mode == self.NOTE_INPUT:
self.m_input_mode = self.REST_INPUT
else:
self.m_input_mode = self.NOTE_INPUT
def on_key_press(self, window, event):
if not self.m_editable:
return
key_dict = {Gdk.KEY_1: 1,
Gdk.KEY_2: 2,
Gdk.KEY_3: 4,
Gdk.KEY_4: 8,
Gdk.KEY_5: 16,
Gdk.KEY_6: 32,
}
if event.keyval in (Gdk.KEY_Right, Gdk.KEY_KP_Right):
self.cursor_next()
self.queue_draw()
elif event.keyval in (Gdk.KEY_Left, Gdk.KEY_KP_Left):
self.cursor_prev()
self.queue_draw()
elif event.keyval == Gdk.KEY_BackSpace:
self.backspace()
elif event.keyval in (Gdk.KEY_Delete, Gdk.KEY_KP_Delete):
self.delete()
elif event.keyval in key_dict:
if self.m_input_mode == self.NOTE_INPUT:
added = self.on_add_item(
elems.Note(MusicalPitch.new_from_notename("c"),
Duration(key_dict[event.keyval], 0)))
else:
assert self.m_input_mode == self.REST_INPUT
added = self.on_add_item(elems.Rest(
Duration(key_dict[event.keyval], 0)))
if added:
self.cursor_next()
self.queue_draw()
self.grab_focus()
elif event.keyval == Gdk.KEY_period:
self.on_toggle_dots(1)
elif event.keyval == Gdk.KEY_colon:
self.on_toggle_dots(-1)
elif event.keyval == Gdk.KEY_t:
self.on_toggle_tie()
elif event.keyval == Gdk.KEY_r:
if self.m_input_mode == self.NOTE_INPUT:
self.m_input_mode = self.REST_INPUT
else:
self.m_input_mode = self.NOTE_INPUT
def refill_accidentals_info(self, key):
"""Fill the .m_accidentals_info dict with the accidentals
that exist in the key signature `key`.
"""
self.m_accidentals_info = {}
for step in range(MusicalPitch.LOWEST_STEPS, MusicalPitch.HIGHEST_STEPS+1):
self.m_accidentals_info[step] = 0
for a in mpdutils.key_to_accidentals(key):
n = MusicalPitch.new_from_notename(a)
for oct in range(-4, 7):
n.m_octave_i = oct
if n.semitone_pitch() < 128:
if a[-4:] == 'eses':
self.m_accidentals_info[n.steps()] = -2
elif a[-2:] == 'es':
self.m_accidentals_info[n.steps()] = -1
elif a[-4:] == 'isis':
self.m_accidentals_info[n.steps()] = 2
else:
self.m_accidentals_info[n.steps()] = 1
def notename_to_ylinepos(n, clef):
n = MusicalPitch.new_from_notename(n)
i = n.steps()
return self.steps_to_ylinepos(i)
def _next(self):
# Doing this while loop inside the exception clause is a little
# faster than using a regular expression.
try:
while self.m_string[self.m_idx] in (' ', '\n', '\t'):
self.m_idx += 1
except IndexError:
raise StopIteration
self.m_last_idx = self.m_idx
m = self.re_rest.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
resttype, notelen, dots = m.groups()
numdots = len(dots)
if notelen:
notelen = int(notelen)
else:
notelen = 0
if numdots:
raise LexerError(
'Need a digit before dots. Write "%(goodcode)s", not "%(badcode)s".'
% {
'badcode':
m.group().strip(),
'goodcode':
'%s%i%s' % (resttype, self.m_notelen.m_nh, dots)
}, self)
if notelen is 0:
return self.REST, RestRequest(None, None)
else:
self.m_notelen = Duration(notelen, numdots)
return self.REST, RestRequest(notelen, numdots)
m = self.re_skip.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
IGN1, skiplen, dots = m.groups()
numdots = len(dots)
if skiplen:
skiplen = int(skiplen)
self.m_notelen = Duration(skiplen, numdots)
else:
skiplen = 0
if numdots:
raise LexerError(
'Need a digit before dots. Write "%(goodcode)s", not "%(badcode)s".'
% {
'badcode': m.group().strip(),
'goodcode': 's%i%s' % (self.m_notelen.m_nh, dots)
}, self)
if skiplen is 0:
return self.SKIP, SkipRequest(skiplen, numdots)
else:
self.m_notelen = Duration(skiplen, numdots)
return self.SKIP, SkipRequest(skiplen, numdots)
m = self.re_partial.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
num, dot = m.groups()
num = int(num)
dot = len(dot)
return self.PARTIAL, Duration(num, dot)
m = self.re_melodic.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
notename, IGN1, IGN2, notelen, dots = m.groups()
numdots = len(dots)
if notelen:
notelen = int(notelen)
self.m_notelen = Duration(notelen, numdots)
else:
notelen = 0
if dots:
raise LexerError(
'Need a digit before dots. Write "%(goodcode)s", not "%(badcode)s".'
% {
'badcode':
m.group().strip(),
'goodcode':
'%s%i%s' % (notename, self.m_notelen.m_nh, dots)
}, self)
n = MusicRequest(notename, notelen, numdots)
return self.NOTE, n
m = self.re_staff.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.STAFF, None
m = self.re_rhythmstaff.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.RHYTHMSTAFF, None
m = self.re_voice.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.VOICE, None
m = self.re_relative.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.RELATIVE, MusicalPitch.new_from_notename(m.group(1))
m = self.re_clef_quoted.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.CLEF, m.group(1)
m = self.re_clef.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.CLEF, m.group(1)
m = self.re_stem_updown.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
d = [const.UP, const.DOWN, const.BOTH][['Up', 'Down',
'Both'].index(m.group(2))]
return self.STEMDIR, d
m = self.re_tuplet_updown.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
d = [const.UP, const.DOWN, const.BOTH][['Up', 'Down',
'Both'].index(m.group(2))]
return self.TUPLETDIR, d
m = self.re_transpose.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.TRANSPOSE, MusicalPitch.new_from_notename(m.group(1))
m = self.re_time.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.TIME, elems.TimeSignature(int(m.group(1)),
int(m.group(2)))
m = self.re_key.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.KEY, (m.group(1), m.group(2))
m = self.re_times.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.TIMES, Rat(int(m.groups()[0]), int(m.groups()[1]))
if self.m_idx == len(self.m_string):
raise StopIteration
self.m_idx += 1
return self.m_string[self.m_idx - 1], None
def notename_to_ylinepos(n, clef):
n = MusicalPitch.new_from_notename(n)
i = n.steps()
return self.steps_to_ylinepos(i)
def f(widget, i):
self.g_rwidget.on_add_item(elems.Note(
MusicalPitch.new_from_notename("c"),
Duration(i, 0)))
self.g_rwidget.grab_focus()
def _next(self):
# Doing this while loop inside the exception clause is a little
# faster than using a regular expression.
try:
while self.m_string[self.m_idx] in (' ', '\n', '\t'):
self.m_idx += 1
except IndexError:
raise StopIteration
self.m_last_idx = self.m_idx
m = self.re_rest.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
resttype, notelen, dots = m.groups()
numdots = len(dots)
if notelen:
notelen = int(notelen)
else:
notelen = 0
if numdots:
raise LexerError('Need a digit before dots. Write "%(goodcode)s", not "%(badcode)s".' % {
'badcode': m.group().strip(),
'goodcode': '%s%i%s' % (resttype, self.m_notelen.m_nh, dots)
},
self)
if notelen is 0:
return self.REST, RestRequest(None, None)
else:
self.m_notelen = Duration(notelen, numdots)
return self.REST, RestRequest(notelen, numdots)
m = self.re_skip.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
IGN1, skiplen, dots = m.groups()
numdots = len(dots)
if skiplen:
skiplen = int(skiplen)
self.m_notelen = Duration(skiplen, numdots)
else:
skiplen = 0
if numdots:
raise LexerError('Need a digit before dots. Write "%(goodcode)s", not "%(badcode)s".' % {
'badcode': m.group().strip(),
'goodcode': 's%i%s' % (self.m_notelen.m_nh, dots)
}, self)
if skiplen is 0:
return self.SKIP, SkipRequest(skiplen, numdots)
else:
self.m_notelen = Duration(skiplen, numdots)
return self.SKIP, SkipRequest(skiplen, numdots)
m = self.re_partial.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
num, dot = m.groups()
num = int(num)
dot = len(dot)
return self.PARTIAL, Duration(num, dot)
m = self.re_melodic.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
notename, IGN1, IGN2, notelen, dots = m.groups()
numdots = len(dots)
if notelen:
notelen = int(notelen)
self.m_notelen = Duration(notelen, numdots)
else:
notelen = 0
if dots:
raise LexerError('Need a digit before dots. Write "%(goodcode)s", not "%(badcode)s".' % {
'badcode': m.group().strip(),
'goodcode': '%s%i%s' % (notename, self.m_notelen.m_nh, dots)
}, self)
n = MusicRequest(notename, notelen, numdots)
return self.NOTE, n
m = self.re_staff.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.STAFF, None
m = self.re_rhythmstaff.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.RHYTHMSTAFF, None
m = self.re_voice.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.VOICE, None
m = self.re_relative.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.RELATIVE, MusicalPitch.new_from_notename(m.group(1))
m = self.re_clef_quoted.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.CLEF, m.group(1)
m = self.re_clef.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.CLEF, m.group(1)
m = self.re_stem_updown.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
d = [const.UP, const.DOWN, const.BOTH][['Up', 'Down', 'Both'].index(m.group(2))]
return self.STEMDIR, d
m = self.re_tuplet_updown.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
d = [const.UP, const.DOWN, const.BOTH][['Up', 'Down', 'Both'].index(m.group(2))]
return self.TUPLETDIR, d
m = self.re_transpose.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.TRANSPOSE, MusicalPitch.new_from_notename(m.group(1))
m = self.re_time.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.TIME, elems.TimeSignature(int(m.group(1)), int(m.group(2)))
m = self.re_key.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.KEY, (m.group(1), m.group(2))
m = self.re_times.match(self.m_string, self.m_idx)
if m:
self.m_idx = m.end()
return self.TIMES, Rat(int(m.groups()[0]), int(m.groups()[1]))
if self.m_idx == len(self.m_string):
raise StopIteration
self.m_idx += 1
return self.m_string[self.m_idx - 1], None
