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# GNU Solfege - free ear training software
# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 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 gtk, gobject
import gu
from specialwidgets import QuestionNameButtonTable, QuestionNameCheckButtonTable
import abstract, mpd, mpd.musicdisplayer
import utils
import statistics, statisticsviewer
import lessonfile
import dataparser
import soundcard
import osutils
class Teacher(abstract.Teacher):
OK = 0
ERR_PICKY = 1
ERR_NO_QUESTION = 2
def __init__(self, exname, app):
abstract.Teacher.__init__(self, exname, app)
self.lessonfileclass = lessonfile.IdByNameLessonfile
self.m_statistics = statistics.LessonStatistics(self)
def enter_test_mode(self):
self.m_custom_mode = False
self.m_statistics.enter_test_mode()
self.m_P.enter_test_mode()
def exit_test_mode(self):
self.m_statistics.exit_test_mode()
def give_up(self):
self.q_status = self.QSTATUS_GIVE_UP
def new_question(self):
"""
UI will never call this function unless we have a usable lessonfile.
"""
if self.m_timeout_handle:
gobject.source_remove(self.m_timeout_handle)
self.m_timeout_handle = None
if self.m_app.m_test_mode:
self.m_P.next_test_question()
self.q_status = self.QSTATUS_NEW
return self.OK
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.q_status = self.QSTATUS_NO
assert self.m_P
self.m_P.select_random_question()
self.q_status = self.QSTATUS_NEW
return self.OK
def guess_answer(self, answer):
"""
Return: 1 if correct, None if wrong
"""
if answer == self.m_P.get_cname():
if self.q_status == self.QSTATUS_NEW \
and not self.m_custom_mode:
self.m_statistics.add_correct(answer)
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_P.get_cname(), answer)
self.q_status = self.QSTATUS_WRONG
if self.m_app.m_test_mode:
self.maybe_auto_new_question()
class Gui(abstract.LessonbasedGui):
def __init__(self, teacher, window):
abstract.LessonbasedGui.__init__(self, teacher, window)
################
# practise_box #
################
self.g_music_displayer = mpd.musicdisplayer.MusicDisplayer(utils.play_tone)
self.practise_box.pack_start(self.g_music_displayer, False)
self.g_bb = QuestionNameButtonTable(self.m_t.m_exname)
self.practise_box.pack_start(self.g_bb, False)
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 = gu.bButton(self.action_area, _("_New"), self.new_question)
self.g_play_music = gu.bButton(self.action_area, _("P_lay music"),
lambda w: self.run_exception_handled(self.m_t.m_P.play_question))
self.g_display_music = gu.bButton(self.action_area, _("_Display music"),
self.show_answer)
self.g_repeat = gu.bButton(self.action_area, _("_Repeat"),
lambda w: self.run_exception_handled(self.m_t.m_P.play_question))
self.g_repeat_arpeggio = gu.bButton(self.action_area,
_("Repeat _arpeggio"),
lambda w: self.run_exception_handled(self.m_t.m_P.play_question_arpeggio))
self.g_repeat_slowly = gu.bButton(self.action_area, _("Repeat _slowly"),
lambda w: self.run_exception_handled(self.m_t.m_P.play_question_slowly))
self.g_give_up = gu.bButton(self.action_area,
_("_Give up"), self.give_up)
self.g_give_up.set_sensitive(False)
# This button exist mostly for historical reasons, but I think
# it an be usedful, even thoug it is not much used today (as in
# Solfege 3.6). It will present a Show button for exercises that
# does not have a music displayer. And the button will be insensitive
# until the question has been solved.
self.g_show = gu.bButton(self.action_area, _("_Show"), self.show_answer)
self.g_show.set_sensitive(False)
self.practise_box.show_all()
##############
# config_box #
##############
self.config_box.set_border_width(12)
self.config_box.set_spacing(18)
self.add_random_transpose_gui()
# -----------------------------------------
self.g_select_questions_category_box, category_box= gu.hig_category_vbox(
_("Questions to ask"))
self.config_box.pack_start(self.g_select_questions_category_box, True)
self.g_select_questions = QuestionNameCheckButtonTable(self.m_t)
self.g_select_questions.initialize(4, 0)
category_box.pack_start(self.g_select_questions, False)
self.g_select_questions.show()
# ------------------------------------------
self._add_auto_new_question_gui(self.config_box)
# ----------------------------------------------
##############
# statistics #
##############
self.setup_statisticsviewer(statisticsviewer.StatisticsViewer,
_("Identify by name"))
def _f(varname):
self.setup_action_area_buttons()
self.add_watch('ask_for_names', _f)
def update_answer_buttons(self):
if self.m_t.m_P:
self.g_bb.initialize(self.m_t.m_P.header.fillnum,
self.m_t.m_P.header.filldir)
for question in self.m_t.m_P.iterate_questions_with_unique_names():
self.g_bb.add(question,
self.m_t.m_P.header.labelformat, self.on_click)
else:
self.g_bb.initialize(0, 0)
if self.m_t.m_P and self.m_t.m_custom_mode:
self.g_bb.ask_for_names_changed()
def update_select_question_buttons(self):
#FIXME duplicate code in src/chord.py
if self.m_t.m_custom_mode:
self.g_select_questions_category_box.show()
self.g_select_questions.initialize(self.m_t.m_P.header.fillnum,
self.m_t.m_P.header.filldir)
self.m_t.check_askfor()
for question in self.m_t.m_P.iterate_questions_with_unique_names():
self.g_select_questions.add(question,
self.m_t.m_statistics.get_label_style())
else:
self.g_select_questions_category_box.hide()
self.g_select_questions.initialize(0, 0)
def setup_action_area_buttons(self):
"""
Make the buttons visible or invisible depending
on the lesson file, and make the right set of buttons
sensitive for the first question.
"""
self.g_new.set_sensitive(True)
self.g_repeat.set_sensitive(False)
self.g_repeat_slowly.set_sensitive(False)
self.g_repeat_arpeggio.set_sensitive(False)
self.g_show.set_sensitive(False)
self.g_display_music.set_sensitive(False)
self.g_play_music.set_sensitive(False)
self.g_give_up.set_sensitive(False)
if [q for q in self.m_t.m_P.m_questions if isinstance(q.music, lessonfile.MpdTransposable)]:
self.g_random_transpose_box.show()
else:
self.g_random_transpose_box.hide()
# If one or more of the questions is of musictype 'chord', then
# we need the "Repeat arpeggio" button.
if [q for q in self.m_t.m_P.m_questions \
if isinstance(q.music, lessonfile.ChordCommon)]:
self.g_repeat_arpeggio.show()
else:
self.g_repeat_arpeggio.hide()
if self.m_t.m_P.header.have_repeat_slowly_button:
self.g_repeat_slowly.show()
else:
self.g_repeat_slowly.hide()
self.show_hide_at_question_start_buttons()
if self.m_t.m_P.header.have_music_displayer:
self.g_music_displayer.show()
self.g_music_displayer.clear()
self.g_show.hide()
else:
self.g_music_displayer.hide()
self.g_show.show()
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_P.get_name())
self.m_t.give_up()
self.g_show.set_sensitive(True)
self.g_new.set_sensitive(True)
self.g_new.grab_focus()
self.g_give_up.set_sensitive(False)
if self.m_t.m_P.header.have_music_displayer:
self.run_exception_handled(self.show_answer)
def on_click(self, button, event=None):
if not event:
self.on_left_click(button)
elif event.button == 3:
if self.m_t.m_P and self.m_t.m_P.header.enable_right_click:
self.on_right_click(button)
else:
self.g_flashbar.flash(_("Right click is not allowed for this lesson file."))
def on_right_click(self, button):
if self.m_t.m_app.m_test_mode:
return
if self.m_t.q_status == self.QSTATUS_NO:
self.g_flashbar.flash(_("Click 'New' to begin."))
return
if self.m_t.q_status == self.QSTATUS_NEW:
self.g_flashbar.flash(_("You should try to guess before right-clicking."))
return
if self.m_t.q_status not in (self.QSTATUS_GIVE_UP, self.QSTATUS_WRONG,
self.QSTATUS_SOLVED):
self.g_flashbar.flash(_("You should try to guess before right-clicking."))
return
try:
if 'set' in self.m_t.m_P.get_question():
for idx, question in enumerate(self.m_t.m_P.m_questions):
if question.set == self.m_t.m_P.get_question().set \
and question.name.cval == button.get_data('cname'):
self.m_t.m_P.play_question(question)
return
for idx, question in enumerate(self.m_t.m_P.m_questions):
if question.name.cval == button.get_data('cname'):
self.m_t.m_P.play_question(question)
return
except Exception, e:
e.m_question_idx = idx
if not self.standard_exception_handler(e):
raise
def on_left_click(self, button):
if self.m_t.q_status == self.QSTATUS_NO:
if self.m_t.m_app.m_test_mode:
self.g_flashbar.flash(_("Click 'Start test' to begin."))
else:
self.g_flashbar.flash(_("Click 'New' to begin."))
return
try:
if self.m_t.q_status == self.QSTATUS_SOLVED:
if self.m_t.guess_answer(button.get_data('cname')):
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(button.get_data('cname')):
self.g_flashbar.flash(_("Correct"))
self.g_new.set_sensitive(True)
self.g_new.grab_focus()
self.g_show.set_sensitive(True)
self.g_give_up.set_sensitive(False)
if self.m_t.m_P.header.have_music_displayer:
self.show_answer()
else:
self.g_flashbar.flash(_("Wrong"))
if self.get_bool("config/auto_repeat_question_if_wrong_answer"):
self.m_t.m_P.play_question()
self.g_give_up.set_sensitive(True)
except Exception, e:
if not self.standard_exception_handler(e):
raise
def new_question(self, widget=None):
"""
The new button should be insensitive if we have no lesson file.
"""
if self.m_t.m_app.m_test_mode and self.m_t.m_P.is_test_complete():
self.do_test_complete()
return
if self.m_t.m_app.m_test_mode:
self.g_new.hide()
def exception_cleanup():
self.m_t.q_status = self.QSTATUS_NO
soundcard.synth.stop()
self.g_repeat.set_sensitive(False)
self.g_repeat_slowly.set_sensitive(False)
self.g_repeat_arpeggio.set_sensitive(False)
self.g_show.set_sensitive(False)
self.g_give_up.set_sensitive(False)
if self.m_t.m_P.header.have_music_displayer:
self.g_music_displayer.clear()
try:
g = self.m_t.new_question()
if g == self.m_t.OK:
self.do_at_question_start_show_play()
self.g_repeat.set_sensitive(True)
self.g_repeat_slowly.set_sensitive(True)
self.g_repeat_arpeggio.set_sensitive(True)
self.g_display_music.set_sensitive(True)
self.g_play_music.set_sensitive(True)
self.g_new.set_sensitive(
not self.get_bool('config/picky_on_new_question'))
self.g_bb.grab_focus_first_button()
self.g_give_up.set_sensitive(False)
self.g_show.set_sensitive(False)
self.g_flashbar.clear()
except Exception, e:
if isinstance(e, mpd.MpdException):
if 'm_mpd_badcode' not in dir(e):
e.m_mpd_badcode = self.m_t.m_P.get_question()['music'].get_err_context(e, self)
if not self.standard_exception_handler(e, exception_cleanup):
raise
def on_start_practise(self):
self.m_t.m_custom_mode = self.get_bool('gui/expert_mode')
for question in self.m_t.m_P.m_questions:
question.active = 1
self.setup_action_area_buttons()
self.update_answer_buttons()
self.update_select_question_buttons()
self.set_lesson_heading(self.m_t.m_P.header.lesson_heading)
self.g_random_transpose.set_text(str(self.m_t.m_P.header.random_transpose))
self.g_flashbar.require_size([
_("Right click is not allowed for this lesson file."),
_("You should try to guess before right-clicking."),
_("You should try to guess before right-clicking."),
_("Correct, but you have already solved this question"),
_("Wrong, but you have already solved this question"),
_("You have to select some questions to practise."),
])
self.g_new.grab_focus()
if not self.m_t.m_custom_mode:
self.m_t.m_statistics.reset_session()
self.g_statview.g_heading.set_text(self.m_t.m_P.header.title)
self.g_music_displayer.clear()
# We only want the Show button if there are any questions that can
# be displayed.
if [q for q in self.m_t.m_P.m_questions if isinstance(q.music, lessonfile.MpdDisplayable)] and not self.m_t.m_P.header.have_music_displayer:
self.g_show.show()
else:
self.g_show.hide()
if self.m_t.m_app.m_test_mode:
self.g_flashbar.delayed_flash(self.short_delay,
_("Click 'Start test' to begin."))
else:
self.g_flashbar.delayed_flash(self.short_delay,
_("Click 'New' to begin."))
def on_end_practise(self):
self.m_t.end_practise()
self.g_repeat.set_sensitive(False)
self.g_repeat_slowly.set_sensitive(False)
self.g_repeat_arpeggio.set_sensitive(False)
if self.m_t.m_P and self.m_t.m_P.header.have_music_displayer:
self.g_music_displayer.clear()
self.g_show.set_sensitive(False)
self.g_new.set_sensitive(True)
self.g_give_up.set_sensitive(False)
self.g_flashbar.clear()
def enter_test_mode(self):
self.m_saved_q_auto = self.get_bool('new_question_automatically')
self.m_saved_s_new = self.get_float('seconds_before_new_question')
self.set_bool('new_question_automatically', True)
self.set_float('seconds_before_new_question', 0.5)
self.m_t.enter_test_mode()
self.g_give_up.hide()
self.g_new.set_label(_("_Start test"))
self.g_show.hide()
self.g_repeat_arpeggio.hide()
self.g_repeat_slowly.hide()
self.g_cancel_test.show()
def exit_test_mode(self):
self.set_bool('new_question_automatically', self.m_saved_q_auto)
self.set_float('seconds_before_new_question', self.m_saved_s_new)
self.m_t.exit_test_mode()
self.g_new.set_label(_("_New"))
self.g_new.show()
self.on_start_practise()
self.g_repeat_slowly.show()
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