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# GNU Solfege - free ear training software
# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Tom Cato Amundsen
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import inputwidgets, abstract, random, soundcard, gu, mpd
import gobject
import runtime
import gtk
import statistics, statisticsviewer
import lessonfile
class Teacher(abstract.Teacher):
#FIXME the following lines
OK, ERR_PICKY, ERR_TONES = range(3)
ERR_PICKY = 1
ERR_CONFIG = 2
OCTAVES = [-2, -1, 0, 1, 2, 3]
def __init__(self, exname, app):
abstract.Teacher.__init__(self, exname, app)
self.lessonfileclass = lessonfile.HeaderLessonfile
self.m_statistics = statistics.LessonStatistics(self)
self.m_ask_tones = {}
self.m_question = None
self.m_custom_mode = False
def new_question(self):
"""
Return values:
OK: sucess, new random tone selected
ERR_PICKY: fail, you are not allowed to select a new tone before you
can identify the one you have now.
ERR_CONFIG: fail, all notes have zero weight or no octaves selected
"""
if self.m_timeout_handle:
gobject.source_remove(self.m_timeout_handle)
self.m_timeout_handle = None
if self.get_bool('config/picky_on_new_question') \
and self.q_status in (self.QSTATUS_NEW, self.QSTATUS_WRONG):
return Teacher.ERR_PICKY
self.m_is_first_question = self.q_status == self.QSTATUS_NO
v = []
for n in ['c', 'cis', 'd', 'dis', 'e', 'f', 'fis',
'g', 'gis', 'a', 'ais', 'b']:
v.extend([n] * self.get_int(n+"_weight"))
if not v:
return self.ERR_CONFIG
self.m_question = random.choice(v)
v = []
for n in self.OCTAVES:
if self.get_bool("octave"+str(n)):
v.append(n)
if not v:
return self.ERR_CONFIG
self.m_octave = random.choice(v)
self.q_status = self.QSTATUS_NEW
return self.OK
def guess_answer(self, notename):
if notename == self.m_question:
if self.q_status == self.QSTATUS_NEW \
and not self.m_custom_mode:
self.m_statistics.add_correct(notename)
self.maybe_auto_new_question()
self.q_status = self.QSTATUS_SOLVED
return 1
else:
if self.q_status == self.QSTATUS_NEW:
if not self.m_custom_mode:
self.m_statistics.add_wrong(self.m_question, notename)
self.q_status = self.QSTATUS_WRONG
def play_question(self):
if self.q_status == self.QSTATUS_NO:
return
soundcard.play_note(self.get_int('config/preferred_instrument'), 4,
mpd.notename_to_int(self.m_question)+self.m_octave*12,
self.get_int('config/preferred_instrument_velocity'))
def give_up(self):
if not self.m_custom_mode:
self.m_statistics.reset_session()
self.q_status = self.QSTATUS_GIVE_UP
def spank_me_play_question(self):
t1 = soundcard.PercussionTrack()
t1.note(8, 71, self.get_int('config/preferred_instrument_velocity'))
t2 = soundcard.Track()
t2.notelen_time(4)
t2.set_patch(self.get_int('config/preferred_instrument'))
t2.note(4, mpd.notename_to_int(self.m_question)+self.m_octave*12,
self.get_int('config/preferred_instrument_velocity'))
soundcard.synth.play_track(t1, t2)
def spank_me(self):
soundcard.play_perc(4, 71, self.get_int('config/preferred_instrument_velocity'))
class Gui(abstract.Gui):
def __init__(self, teacher, window):
abstract.Gui.__init__(self, teacher, window)
if runtime.use_cairo_widgets:
self.m_usable = True
else:
self.m_usable = False
if not self.m_usable:
label = gtk.Label(_("This exercise is disabled because some required features are missing from your computer. You should install PyGTK 2.8.0 or newer."))
label.set_line_wrap(True)
self.practise_box.add(label)
self.practise_box.show_all()
return
v = []
for k in ('c', 'cis', 'd', 'dis', 'e', 'f', 'fis',
'g', 'gis', 'a', 'ais', 'b'):
self.m_key_bindings['tone_%s_ak' % k] \
= lambda self=self, k=k: self.on_answer_from_user(k)
v.append(self.get_string('tone_%s_ak' % k))
self.g_percentage = gu.bLabel(self.practise_box, "")
self.g_percentage.set_name("Heading1")
self.g_piano = inputwidgets.PianoOctaveWithAccelName(
self.on_answer_from_user, v)
self.practise_box.pack_start(self.g_piano)
self.g_flashbar = gu.FlashBar()
self.g_flashbar.show()
self.practise_box.pack_start(self.g_flashbar, False)
self.practise_box.set_spacing(gu.PAD)
self.g_new_tone = gu.bButton(self.action_area, _("_New tone"),
self.new_question)
self.g_repeat = gu.bButton(self.action_area, _("_Repeat"),
lambda _o, self=self: self.m_t.play_question())
self.g_repeat.set_sensitive(False)
self.g_give_up = gu.bButton(self.action_area, _("_Give up"), self.give_up)
self.g_give_up.set_sensitive(False)
self.practise_box.show_all()
##############
# config_box #
##############
self.config_box.set_spacing(gu.PAD_SMALL)
# bad variable name, but this is the config options that should
# not change without chaning lesson_id
self.g_config_elems = gu.bVBox(self.config_box)
table = gtk.Table()
table.set_border_width(gu.PAD_SMALL)
frame = gtk.Frame(_("Weight"))
self.g_config_elems.pack_start(frame, False)
frame.add(table)
for x, n in [(1, 'cis'), (3, 'dis'), (7, 'fis'),
(9, 'gis'), (11, 'ais')]:
label = gtk.Label(mpd.MusicalPitch.new_from_notename(n).get_user_notename())
label.set_name("Heading2")
label.set_alignment(0.2, 1.0)
table.attach(label, x, x+2, 0, 1, xoptions=gtk.FILL)
b = gu.nSpinButton(self.m_exname, n+"_weight",
gtk.Adjustment(1, 0, 1000, 1, 10), digits=0)
table.attach(b, x, x+2, 1, 2, xoptions=gtk.FILL)
for x, n in [(0, 'c'), (2, 'd'), (4, 'e'), (6, 'f'),
(8, 'g'), (10, 'a'), (12, 'b')]:
label = gtk.Label(mpd.MusicalPitch.new_from_notename(n).get_user_notename())
label.set_name("Heading2")
label.set_alignment(0.35, 1.0)
table.attach(label, x, x+2, 2, 3, xoptions=gtk.FILL)
b = gu.nSpinButton(self.m_exname, n+"_weight",
gtk.Adjustment(1, 0, 1000, 1, 10), digits=0)
table.attach(b, x, x+2, 3, 4, xoptions=gtk.FILL)
hbox = gu.bHBox(self.g_config_elems, False)
hbox.pack_start(gtk.Label(_("Octave:")), False, padding=4)
for oct in self.m_t.OCTAVES:
b = gu.nCheckButton(self.m_exname, "octave"+str(oct), str(oct),
default_value=1)
hbox.pack_start(b, False)
#############
self._add_auto_new_question_gui(self.config_box)
#############
frame = gtk.Frame(_("When you guess wrong"))
vbox = gtk.VBox()
vbox.set_border_width(gu.PAD_SMALL)
frame.add(vbox)
vbox.pack_start(gu.nCheckButton(self.m_exname,
"warning_sound", _("Play warning sound")))
self.config_box.pack_start(frame, False)
self.config_box.show_all()
##############
# statistics #
##############
self.setup_statisticsviewer(statisticsviewer.StatisticsViewer,
_("Identify tone"))
def new_question(self, widget=None):
s = self.m_t.q_status
g = self.m_t.new_question()
if g == Teacher.ERR_CONFIG:
self.g_win.display_error_message(
_("""You have to select some tones practise. Do this on the config page by setting the weight of tones to a value greater than zero."""))
return
elif g == Teacher.OK:
self.g_new_tone.set_sensitive(
not self.get_bool('config/picky_on_new_question'))
self.g_repeat.set_sensitive(True)
try:
if self.m_t.m_is_first_question:
self.flash_and_play_first_tone()
else:
self.g_flashbar.clear()
self.m_t.play_question()
except Exception,e:
def cleanup():
self.g_repeat.set_sensitive(False)
if not self.standard_exception_handler(e, cleanup):
raise
self.set_percentage_label()
def flash_and_play_first_tone(self):
self.g_flashbar.flash(_("First tone is %s") % self.m_t.m_question)
self.m_t.play_question()
def on_answer_from_user(self, notename):
if self.m_t.q_status == self.QSTATUS_NO:
self.g_flashbar.flash(_("Click 'New tone' to begin."))
return
elif self.m_t.q_status == self.QSTATUS_SOLVED:
if self.m_t.guess_answer(notename):
self.g_flashbar.flash(_("Correct, but you have already solved this question"))
else:
self.g_flashbar.flash(_("Wrong, but you have already solved this question"))
elif self.m_t.q_status in (self.QSTATUS_NEW, self.QSTATUS_WRONG):
if self.m_t.guess_answer(notename):
self.g_flashbar.flash(_("Correct"))
self.g_new_tone.set_sensitive(True)
self.g_give_up.set_sensitive(False)
else:
try:
if self.m_t.m_is_first_question:
self.flash_and_play_first_tone()
return
self.g_flashbar.flash(_("Wrong"))
self.g_give_up.set_sensitive(True)
if self.get_bool("warning_sound"):
if self.get_bool("config/auto_repeat_question_if_wrong_answer"):
self.m_t.spank_me_play_question()
else:
self.m_t.spank_me()
else:
if self.get_bool("config/auto_repeat_question_if_wrong_answer"):
self.m_t.play_question()
except Exception, e:
if not self.standard_exception_handler(e):
raise
self.set_percentage_label()
def give_up(self, _o=None):
if self.m_t.q_status == self.QSTATUS_WRONG:
self.g_flashbar.push(_("The answer is: %s")
% self.m_t.m_question)
self.m_t.give_up()
self.g_new_tone.set_sensitive(True)
self.g_new_tone.grab_focus()
self.g_give_up.set_sensitive(False)
def set_percentage_label(self):
self.g_percentage.set_text("%.1f %%" % (self.m_t.m_statistics.get()*100))
def on_start_practise(self):
if not self.m_usable:
return
self.m_t.m_custom_mode = not (
('white_keys_weight' in self.m_t.m_P.header)
or ('black_keys_weight' in self.m_t.m_P.header))
self.g_flashbar.require_size([
_("Click 'New tone' to begin."),
_("Correct, but you have already solved this question"),
_("Wrong, but you have already solved this question"),
])
if 'white_keys_weight' in self.m_t.m_P.header:
if type(self.m_t.m_P.header.white_keys_weight) == list \
and len(self.m_t.m_P.header.white_keys_weight) == 7:
for idx, n in enumerate(('c', 'd', 'e', 'f', 'g', 'a', 'b')):
self.set_float('%s_weight' % n, self.m_t.m_P.header.white_keys_weight[idx])
else:
print "white_keys_weight had wrong type"
else:
for idx, n in enumerate(('c', 'd', 'e', 'f', 'g', 'a', 'b')):
self.set_float('%s_weight' % n, 0.0)
if 'black_keys_weight' in self.m_t.m_P.header:
if type(self.m_t.m_P.header.black_keys_weight) == list \
and len(self.m_t.m_P.header.black_keys_weight) == 5:
for idx, n in enumerate(('cis', 'dis', 'fis', 'gis', 'ais')):
self.set_float('%s_weight' % n, self.m_t.m_P.header.black_keys_weight[idx])
else:
print "black_keys_weight had wrong type"
else:
for idx, n in enumerate(('cis', 'dis', 'fis', 'gis', 'ais')):
self.set_float('%s_weight' % n, 0.0)
if self.m_t.m_custom_mode:
self.g_config_elems.show()
else:
self.g_config_elems.hide()
self.m_t.m_statistics.reset_session()
self.g_statview.g_heading.set_text("%s - %s" % (_("Identify tone"), self.m_t.m_P.header.title))
self.set_percentage_label()
self.g_flashbar.delayed_flash(self.short_delay,
_("Click 'New tone' to begin."))
self.g_new_tone.set_sensitive(True)
self.g_new_tone.grab_focus()
self.g_repeat.set_sensitive(False)
self.g_give_up.set_sensitive(False)
self.m_t.q_status = self.QSTATUS_NO
def on_end_practise(self):
self.m_t.end_practise()
if self.m_usable:
self.g_repeat.set_sensitive(False)
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