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# Copyright 2009 Simon Schampijer
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GdkPixbuf
import logging
from gettext import gettext as _
from sugar3.activity import activity
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.graphics.radiotoolbutton import RadioToolButton
from sugar3.graphics import style
from sugar3.activity.widgets import StopButton
from draw_piano import PianoKeyboard, LETTERS_TO_KEY_CODES
import math
import os
import time
import common.Util.Instruments
from common.Util import InstrumentDB
from common.Util.CSoundClient import new_csound_client
from KeyboardStandAlone import KeyboardStandAlone
from MiniSequencer import MiniSequencer
from Loop import Loop
import common.Config as Config
class SimplePianoActivity(activity.Activity):
"""SimplePianoActivity class as specified in activity.info"""
def __init__(self, handle):
"""Set up the HelloWorld activity."""
activity.Activity.__init__(self, handle)
# we do not have collaboration features
# make the share option insensitive
self.max_participants = 1
# toolbar with the new toolbar redesign
toolbar_box = ToolbarBox()
activity_button = ActivityToolbarButton(self)
toolbar_box.toolbar.insert(activity_button, 0)
toolbar_box.toolbar.insert(Gtk.SeparatorToolItem(), -1)
keybord_labels = RadioToolButton()
keybord_labels.props.icon_name = 'q_key'
keybord_labels.props.group = keybord_labels
keybord_labels.connect('clicked', self.set_keyboard_labels_cb)
toolbar_box.toolbar.insert(keybord_labels, -1)
notes_labels = RadioToolButton()
notes_labels.props.icon_name = 'do_key'
notes_labels.props.group = keybord_labels
notes_labels.connect('clicked', self.set_notes_labels_cb)
toolbar_box.toolbar.insert(notes_labels, -1)
german_labels = RadioToolButton()
german_labels.props.icon_name = 'c_key'
german_labels.props.group = keybord_labels
german_labels.connect('clicked', self.set_german_labels_cb)
toolbar_box.toolbar.insert(german_labels, -1)
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
toolbar_box.toolbar.insert(separator, -1)
stop_button = StopButton(self)
toolbar_box.toolbar.insert(stop_button, -1)
stop_button.show()
self.set_toolbar_box(toolbar_box)
toolbar_box.show_all()
self.keyboard_letters = ['ZSXDCVGBHNJM', 'Q2W3ER5T6Y7U', 'I']
notes = ['DO', 'DO#', 'RE', 'RE#', 'MI', 'FA', 'FA#', 'SOL',
'SOL#', 'LA', 'LA#', 'SI']
self.notes_labels = [notes, notes, ['DO']]
german_notes = ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G',
'G#', 'A', 'A#', 'B']
self.german_labels = [german_notes, german_notes, ['C']]
self.piano = PianoKeyboard(octaves=2, add_c=True,
labels=self.keyboard_letters)
# init csound
self.instrumentDB = InstrumentDB.getRef()
self.firstTime = False
self.playing = False
self.csnd = new_csound_client()
self.timeout_ms = 50
self.instVolume = 50
self.drumVolume = 0.5
self.instrument = 'piano'
self.regularity = 0.75
self.beat = 4
self.reverb = 0.1
self.tempo = Config.PLAYER_TEMPO
self.beatDuration = 60.0 / self.tempo
self.ticksPerSecond = Config.TICKS_PER_BEAT * self.tempo / 60.0
#self.rythmInstrument = 'drum1kit'
#self.csnd.load_drumkit(self.rythmInstrument)
self.sequencer = MiniSequencer(self.recordStateButton,
self.recordOverSensitivity)
self.loop = Loop(self.beat, math.sqrt(self.instVolume * 0.01))
self.muteInst = False
self.csnd.setTempo(self.tempo)
self.noteList = []
time.sleep(0.001) # why?
for i in range(21):
self.csnd.setTrackVolume(100, i)
for i in range(10):
r = str(i + 1)
self.csnd.load_instrument('guidice' + r)
self.volume = 100
self.csnd.setMasterVolume(self.volume)
self.enableKeyboard()
self.setInstrument(self.instrument)
self.connect('key-press-event', self.onKeyPress)
self.connect('key-release-event', self.onKeyRelease)
# finish csount init
self.piano.connect('key_pressed', self.__key_pressed_cb)
self.piano.connect('key_released', self.__key_released_cb)
vbox = Gtk.VBox()
vbox.set_homogeneous(False)
self.load_instruments()
vbox.pack_end(self.piano, True, True, 0)
scrolled = Gtk.ScrolledWindow()
vbox.pack_start(scrolled, False, False, 0)
scrolled.add(self.instruments_iconview)
vbox.show_all()
self.set_canvas(vbox)
piano_height = Gdk.Screen.width() / 2
scrolled.set_size_request(-1,
Gdk.Screen.height() - piano_height - style.GRID_CELL_SIZE)
def load_instruments(self):
self._instruments_store = Gtk.ListStore(str, GdkPixbuf.Pixbuf)
self._instruments_store.set_sort_column_id(0, Gtk.SortType.ASCENDING)
self.instruments_iconview = Gtk.IconView(self._instruments_store)
self.instruments_iconview.set_text_column(0)
self.instruments_iconview.set_pixbuf_column(1)
# load the images
images_path = os.path.join(activity.get_bundle_path(),
'instruments')
logging.error('Loading instrument images from %s', images_path)
for file_name in os.listdir(images_path):
image_file_name = os.path.join(images_path, file_name)
logging.error('Adding %s', image_file_name)
instrument_name = image_file_name[image_file_name.rfind('/'):]
pxb = GdkPixbuf.Pixbuf.new_from_file_at_size(image_file_name,
75, 75)
instrument_name = image_file_name[image_file_name.rfind('/') + 1:]
instrument_name = instrument_name[:instrument_name.find('.')]
self._instruments_store.append([instrument_name, pxb])
self.instruments_iconview.connect('selection-changed',
self.__instrument_iconview_activated_cb)
def __instrument_iconview_activated_cb(self, widget):
item = widget.get_selected_items()[0]
model = widget.get_model()
instrument_name = model[item][0]
self.setInstrument(instrument_name)
def set_notes_labels_cb(self, widget):
self.piano.font_size = 16
self.piano.set_labels(self.notes_labels)
def set_keyboard_labels_cb(self, widget):
self.piano.font_size = 25
self.piano.set_labels(self.keyboard_letters)
def set_german_labels_cb(self, widget):
self.piano.font_size = 25
self.piano.set_labels(self.german_labels)
def enableKeyboard(self):
self.keyboardStandAlone = KeyboardStandAlone(self.sequencer.recording,
self.sequencer.adjustDuration, self.csnd.loopGetTick,
self.sequencer.getPlayState, self.loop)
self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK)
def setInstrument(self, instrument):
self.instrument = instrument
self.keyboardStandAlone.setInstrument(instrument)
self.csnd.load_instrument(instrument)
def recordStateButton(self, button, state):
pass
# if button == 1:
# self._recordToolbar.keyboardRecButton.set_active( state )
# else:
# self._recordToolbar.keyboardRecOverButton.set_active( state )
def recordOverSensitivity(self, state):
pass
#self._recordToolbar.keyboardRecOverButton.set_sensitive( state )
def __key_pressed_cb(self, widget, octave_clicked, key_clicked, letter):
logging.error('Pressed Octave: %d Key: %d Letter: %s' %
(octave_clicked, key_clicked, letter))
if letter in LETTERS_TO_KEY_CODES.keys():
self.keyboardStandAlone.do_key_press(
LETTERS_TO_KEY_CODES[letter], None,
math.sqrt(self.instVolume * 0.01))
def __key_released_cb(self, widget, octave_clicked, key_clicked, letter):
if letter in LETTERS_TO_KEY_CODES.keys():
self.keyboardStandAlone.do_key_release(
LETTERS_TO_KEY_CODES[letter])
def onKeyPress(self, widget, event):
if event.hardware_keycode == 37:
if self.muteInst:
self.muteInst = False
else:
self.muteInst = True
self.piano.physical_key_changed(event.hardware_keycode, True)
self.keyboardStandAlone.onKeyPress(widget, event,
math.sqrt(self.instVolume * 0.01))
def onKeyRelease(self, widget, event):
self.keyboardStandAlone.onKeyRelease(widget, event)
self.piano.physical_key_changed(event.hardware_keycode, False)
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