class SensorToolbar(Gtk.Toolbar):
''' The toolbar for specifiying the sensor: sound, resitance, or
voltage '''
LOWER = 0.0
UPPER = 1.0
STR_DC_R = \
_("Resistive sensor (connect sensor to pink 'Mic In' on left side \
of XO)" ) + ' '
STR_DC_V = \
_("Voltage sensor (connect sensor to pink 'Mic In' on left side \
of XO)" ) + ' '
STR_AC = _('Sound') + ' '
STR_RESISTANCE = _('Resistance') + ' (' + _('Ohms') + ') '
STR_VOLTAGE = _('Voltage') + ' (' + _('Volts') + ') '
STR_TIME = _('Time Base') + ' '
STR_FREQUENCY = _('Frequency Base') + ' '
STR_INVERT = ' ' + _('Invert') + ' '
STR_XAXIS_TEXT = _('X Axis Scale: 1 division = %(division)s %(unit)s')
# TRANSLATORS: This is milli seconds.
MS = _('ms')
# TRANSLATORS: This is Hertz, so 1/second.
HZ = _('Hz')
def __init__(self, activity, channels):
''' By default, start with resistance mode '''
super(type(self), self).__init__()
self.activity = activity
self._channels = channels
self._lock_radio_buttons = False
self._radio_button_pushed = False
self.values = []
for i in range(self._channels):
self.values.append('')
self.string_for_textbox = ''
self.gain = 1.0
self.y_mag = 3.0
self.capture_gain = CAPTURE_GAIN
self.mic_boost = MIC_BOOST
self.mode = 'sound'
# Set up Time-domain Button
self.time = RadioToolButton(icon_name='media-audio', group=None)
self.insert(self.time, -1)
self.time.set_tooltip(_('Sound'))
self.time.connect('clicked', self.analog_resistance_voltage_mode_cb,
'sound')
# Set up Resistance Button
self.resistance = RadioToolButton(icon_name='resistance',
group=self.time)
if _can_use_dc(self.activity.hw):
self.insert(self.resistance, -1)
self.resistance.show()
self.resistance.set_tooltip(_('Resistance Sensor'))
self.resistance.connect('clicked',
self.analog_resistance_voltage_mode_cb,
'resistance')
# Set up Voltage Button
self.voltage = RadioToolButton(icon_name='voltage', group=self.time)
if _can_use_dc(self.activity.hw):
self.insert(self.voltage, -1)
self.voltage.set_tooltip(_('Voltage Sensor'))
self.voltage.connect('clicked', self.analog_resistance_voltage_mode_cb,
'voltage')
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._log_value = LOG_TIMER_VALUES[1]
self.log_label = Gtk.Label(self._log_to_string(self._log_value))
toolitem = Gtk.ToolItem()
toolitem.add(self.log_label)
self.insert(toolitem, -1)
self._log_button = ToolButton('timer-10')
self._log_button.set_tooltip(_('Select logging interval'))
self._log_button.connect('clicked', self._log_selection_cb)
self.insert(self._log_button, -1)
self._setup_log_palette()
# Set up Logging/Stop Logging Button
self._record = ToolButton('media-record')
self.insert(self._record, -1)
self._record.set_tooltip(_('Start logging'))
self._record.connect('clicked', self.record_control_cb)
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
toolitem = Gtk.ToolItem()
self.trigger_label = Gtk.Label(_('Trigger'))
toolitem.add(self.trigger_label)
self.insert(toolitem, -1)
# Set up Trigger Combo box
self.trigger_none = RadioToolButton()
self.trigger_none.set_icon_name('trigger-none')
self.insert(self.trigger_none, -1)
self.trigger_none.set_tooltip(_('None'))
self.trigger_none.connect('clicked', self.update_trigger_control_cb,
self.activity.wave.TRIGGER_NONE)
self.trigger_rise = RadioToolButton(group=self.trigger_none)
self.trigger_rise.set_icon_name('trigger-rise')
self.insert(self.trigger_rise, -1)
self.trigger_rise.set_tooltip(_('Rising Edge'))
self.trigger_rise.connect('clicked', self.update_trigger_control_cb,
self.activity.wave.TRIGGER_POS)
self.trigger_fall = RadioToolButton(group=self.trigger_none)
self.trigger_fall.set_icon_name('trigger-fall')
self.insert(self.trigger_fall, -1)
self.trigger_fall.set_tooltip(_('Falling Edge'))
self.trigger_fall.connect('clicked', self.update_trigger_control_cb,
self.activity.wave.TRIGGER_NEG)
self.show_all()
def get_log(self):
return self._log_value
def get_log_idx(self):
if self._log_value in LOG_TIMER_VALUES:
return LOG_TIMER_VALUES.index(self._log_value)
else:
return LOG_TIMER_VALUES[0]
def set_log_idx(self, idx):
self._log_value = LOG_TIMER_VALUES[idx]
self.log_label.set_text(self._log_to_string(self._log_value))
if hasattr(self, '_log_button'):
self._log_button.set_icon('timer-%d' % (self._log_value))
def _log_selection_cb(self, widget):
if self._log_palette:
if not self._log_palette.is_up():
self._log_palette.popup(immediate=True)
else:
self._log_palette.popdown(immediate=True)
return
def _log_to_seconds(self, tenth_seconds):
return tenth_seconds / 10.
def _log_to_string(self, tenth_seconds):
if tenth_seconds in LOG_TIMER_LABELS:
return LOG_TIMER_LABELS[tenth_seconds]
else:
return _('1 second')
def _setup_log_palette(self):
self._log_palette = self._log_button.get_palette()
for tenth_seconds in LOG_TIMER_VALUES:
text = self._log_to_string(tenth_seconds)
menu_item = MenuItem(icon_name='timer-%d' % (tenth_seconds),
text_label=text)
menu_item.connect('activate', self._log_selected_cb, tenth_seconds)
self._log_palette.menu.append(menu_item)
menu_item.show()
def _log_selected_cb(self, button, seconds):
self.set_log_idx(LOG_TIMER_VALUES.index(seconds))
def add_frequency_slider(self, toolbox):
''' Either on the Sound toolbar or the Main toolbar '''
self._freq_stepper_up = ToolButton('freq-high')
self._freq_stepper_up.set_tooltip(_('Zoom out'))
self._freq_stepper_up.connect('clicked', self._freq_stepper_up_cb)
self._freq_stepper_up.show()
self.activity.adjustmentf = Gtk.Adjustment(0.5, self.LOWER, self.UPPER,
0.01, 0.1, 0)
self.activity.adjustmentf.connect('value_changed', self.cb_page_sizef)
self._freq_range = Gtk.Scale(orientation=Gtk.Orientation.HORIZONTAL,
adjustment=self.activity.adjustmentf)
self._freq_range.set_inverted(True)
self._freq_range.set_draw_value(False)
self._freq_range.set_size_request(120, 15)
self._freq_range.show()
self._freq_stepper_down = ToolButton('freq-low')
self._freq_stepper_down.set_tooltip(_('Zoom in'))
self._freq_stepper_down.connect('clicked', self._freq_stepper_down_cb)
self._freq_stepper_down.show()
self._freq_range_tool = Gtk.ToolItem()
self._freq_range_tool.add(self._freq_range)
self._freq_range_tool.show()
toolbox.add(self._freq_stepper_up)
toolbox.add(self._freq_range_tool)
toolbox.add(self._freq_stepper_down)
return
def update_trigger_control_cb(self, button, value):
if button is None:
value = self.activity.wave.TRIGGER_NONE
if self.activity.wave.get_fft_mode():
self.trigger_none.set_active(True)
else:
self.activity.wave.set_trigger(value)
def analog_resistance_voltage_mode_cb(self,
button=None,
mode_to_set='sound'):
''' Callback for Analog/Resistance/Voltage Buttons '''
if self._lock_radio_buttons:
logging.debug('mode selector locked')
self._radio_button_pushed = True
return
if self.mode == mode_to_set:
logging.debug('mode already set to %s' % mode_to_set)
return
self._lock_radio_buttons = True
if self.activity.CONTEXT == 'sound':
self.sound_context_off()
else:
self.sensor_context_off()
# Force time domain when switching modes
if self.activity.wave.get_fft_mode():
self.activity.timefreq_control()
# Turn off logging when switching modes
if self.activity.audiograb.we_are_logging:
self.record_control_cb()
self.set_mode(mode_to_set)
if mode_to_set == 'sound':
self.set_sound_context()
elif mode_to_set == 'resistance':
self.set_sensor_context()
elif mode_to_set == 'voltage':
self.set_sensor_context()
self.update_string_for_textbox()
return False
def unlock_radio_buttons(self):
''' Enable radio button selection '''
logging.debug('unlocking radio buttons')
if self._radio_button_pushed:
if self.mode == 'sound':
self.time.set_active(True)
elif self.mode == 'resistance':
self.resistance.set_active(True)
elif self.mode == 'voltage':
self.voltage.set_active(True)
self._lock_radio_buttons = False
self._radio_button_pushed = False
def set_mode(self, mode='sound'):
''' Set the mixer settings to match the current mode. '''
self.mode = mode
self.activity.audiograb.set_sensor_type(self.mode)
for i in range(self._channels):
self.values[i] = 0.0
return
def get_mode(self):
''' Get the mixer settings. '''
return self.mode
def _freq_stepper_up_cb(self, button=None):
''' Moves the horizontal zoom slider to the left one notch,
where one notch is 1/100 of the total range. This correspond
to zooming out as a larger number of Hertz or milliseconds
will be represented by the same space on the screen. '''
new_value = self._freq_range.get_value() + \
(self.UPPER - self.LOWER) / 100.0
if new_value <= self.UPPER:
self._freq_range.set_value(new_value)
else:
self._freq_range.set_value(self.UPPER)
def _freq_stepper_down_cb(self, button=None):
''' Moves the horizontal zoom slider to the right one notch,
where one notch is 1/100 of the total range. This corresponds
to zooming in. '''
new_value = self._freq_range.get_value() - \
(self.UPPER - self.LOWER) / 100.0
if new_value >= self.LOWER:
self._freq_range.set_value(new_value)
else:
self._freq_range.set_value(self.LOWER)
def cb_page_sizef(self, button=None):
''' Callback to scale the frequency range (zoom in and out) '''
if self._update_page_size_id:
GObject.source_remove(self._update_page_size_id)
self._update_page_size_id =\
GObject.timeout_add(250, self.update_page_size)
return True
def update_page_size(self):
''' Set up the scaling of the display. '''
self._update_page_size_id = None
value = self.activity.adjustmentf.get_value()
new_value = round(value * 100.0) / 100.0
if value != new_value:
self.activity.adjustmentf.set_value(new_value)
return False
time_div = 0.001 * max(value, 0.05)
freq_div = 1000 * max(value, 0.01)
self.activity.wave.set_div(time_div, freq_div)
self.update_string_for_textbox()
return False
def set_sound_context(self):
''' Called when analog sensing is selected '''
self.set_show_hide_windows(mode='sound')
GObject.timeout_add(500, self.sound_context_on)
self.activity.CONTEXT = 'sound'
def set_sensor_context(self):
''' Called when digital sensing is selected '''
self.set_show_hide_windows(mode='sensor')
GObject.timeout_add(500, self.sensor_context_on)
self.activity.CONTEXT = 'sensor'
def set_show_hide_windows(self, mode='sound'):
''' Shows the appropriate window identified by the mode '''
self.activity.wave.set_context_on()
for i in range(self._channels):
self.activity.side_toolbars[i].set_show_hide(True, mode)
def sensor_context_off(self):
''' Called when a DC sensor is no longer selected '''
# self.activity.audiograb.pause_grabbing()
self.activity.audiograb.stop_grabbing()
def sensor_context_on(self):
''' Called when a DC sensor is selected '''
self.update_string_for_textbox()
self.activity.wave.set_trigger(self.activity.wave.TRIGGER_NONE)
# self.activity.audiograb.resume_grabbing()
self.activity.audiograb.start_grabbing()
return False
def sound_context_off(self):
''' Called when an analog sensor is no longer selected '''
self.gain, self.y_mag = self.activity.wave.get_mag_params()
self.capture_gain = self.activity.audiograb.get_capture_gain()
self.mic_boost = self.activity.audiograb.get_mic_boost()
self.activity.audiograb.stop_grabbing()
def sound_context_on(self):
''' Called when an analog sensor is selected '''
self.activity.wave.set_mag_params(self.gain, self.y_mag)
self.update_string_for_textbox()
self.update_trigger_control_cb(None, self.activity.wave.TRIGGER_NONE)
self.activity.audiograb.start_grabbing()
return False
def set_sample_value(self, value='', channel=0):
''' Write a sample value to the textbox. '''
self.values[channel] = value
self.update_string_for_textbox()
return
def record_control_cb(self, button=None):
''' Depending upon the selected interval, does either a logging
session, or just logs the current buffer. '''
if self.activity.audiograb.we_are_logging:
self.activity.audiograb.set_logging_params(start_stop=False)
self._record.set_icon_name('media-record')
self._record.show()
self._record.set_tooltip(_('Start Recording'))
else:
Xscale = (1.00 / self.activity.audiograb.get_sampling_rate())
Yscale = 0.0
interval = self._log_value / 10. # self.interval_convert()
username = self.activity.nick
if self.activity.wave.get_fft_mode():
self.activity.data_logger.start_new_session(
username,
Xscale,
Yscale,
self._log_to_string(self._log_value),
channels=self._channels,
mode='frequency')
else:
self.activity.data_logger.start_new_session(
username,
Xscale,
Yscale,
self._log_to_string(self._log_value),
channels=self._channels,
mode=self.mode)
self.activity.audiograb.set_logging_params(start_stop=True,
interval=interval)
self._record.set_icon_name('record-stop')
self._record.show()
self._record.set_tooltip(_('Stop Recording'))
self.activity.new_recording = True
def update_string_for_textbox(self):
''' Update the status field at the bottom of the canvas. '''
if self.mode == 'resistance':
string_for_textbox = (self.STR_DC_R + '\n')
string_for_textbox += self.STR_RESISTANCE
elif self.mode == 'voltage':
string_for_textbox = (self.STR_DC_V + '\n')
string_for_textbox += self.STR_VOLTAGE
else:
string_for_textbox = (self.STR_AC + '\t')
if self.activity.wave.get_fft_mode():
scalex = self.STR_XAXIS_TEXT % {
'unit': self.HZ,
'division': self.activity.wave.freq_div
}
string_for_textbox += self.STR_FREQUENCY
string_for_textbox += ('\n' + scalex)
elif self.mode == 'sound':
scalex = self.STR_XAXIS_TEXT % {
'unit': self.MS,
'division': self.activity.wave.time_div * 1000
}
string_for_textbox += self.STR_TIME
string_for_textbox += ('\n' + scalex)
else:
for i in range(self._channels):
string_for_textbox += '\t(%s)' % (self.values[i])
invert = False
for i in range(self._channels):
if self.activity.wave.get_invert_state(channel=i):
invert = True
if invert:
string_for_textbox += self.STR_INVERT
self.activity.text_box.set_label(string_for_textbox)
class ViewToolbar(Gtk.Toolbar):
def __init__(self, activity):
GObject.GObject.__init__(self)
self._browser = None
self._activity = activity
self._activity.tray.connect('unmap', self.__unmap_cb)
self._activity.tray.connect('map', self.__map_cb)
self.zoomout = ToolButton('zoom-out')
self.zoomout.set_tooltip(_('Zoom out'))
self.zoomout.connect('clicked', self.__zoomout_clicked_cb)
self.insert(self.zoomout, -1)
self.zoomout.show()
self.zoomin = ToolButton('zoom-in')
self.zoomin.set_tooltip(_('Zoom in'))
self.zoomin.connect('clicked', self.__zoomin_clicked_cb)
self.insert(self.zoomin, -1)
self.zoomin.show()
self.separator = Gtk.SeparatorToolItem()
self.separator.set_draw(True)
self.insert(self.separator, -1)
self.separator.show()
self.fullscreen = ToolButton('view-fullscreen')
self.fullscreen.set_tooltip(_('Fullscreen'))
self.fullscreen.connect('clicked', self.__fullscreen_clicked_cb)
self.insert(self.fullscreen, -1)
self.fullscreen.show()
self.traybutton = ToolButton('tray-hide')
self.traybutton.connect('clicked', self.__tray_clicked_cb)
self.traybutton.props.sensitive = False
self.insert(self.traybutton, -1)
self.traybutton.show()
tabbed_view = self._activity.get_canvas()
if tabbed_view.get_n_pages():
self._connect_to_browser(tabbed_view.props.current_browser)
tabbed_view.connect_after('switch-page', self.__switch_page_cb)
def __switch_page_cb(self, tabbed_view, page, page_num):
self._connect_to_browser(tabbed_view.props.current_browser)
def _connect_to_browser(self, browser):
self._browser = browser
self._update_zoom_buttons()
def _update_zoom_buttons(self):
is_webkit_browser = isinstance(self._browser, Browser)
self.zoomin.set_sensitive(is_webkit_browser)
self.zoomout.set_sensitive(is_webkit_browser)
def __zoomin_clicked_cb(self, button):
tabbed_view = self._activity.get_canvas()
tabbed_view.props.current_browser.zoom_in()
def __zoomout_clicked_cb(self, button):
tabbed_view = self._activity.get_canvas()
tabbed_view.props.current_browser.zoom_out()
def __fullscreen_clicked_cb(self, button):
self._activity.fullscreen()
def __tray_clicked_cb(self, button):
if self._activity.tray.props.visible is False:
self._activity.tray.show()
else:
self._activity.tray.hide()
def __map_cb(self, tray):
if len(self._activity.tray.get_children()) > 0:
self.tray_set_hide()
def __unmap_cb(self, tray):
if len(self._activity.tray.get_children()) > 0:
self.tray_set_show()
def tray_set_show(self):
self.traybutton.set_icon('tray-show')
self.traybutton.set_tooltip(_('Show Tray'))
def tray_set_hide(self):
self.traybutton.set_icon('tray-hide')
self.traybutton.set_tooltip(_('Hide Tray'))
class TuningToolbar(Gtk.Toolbar):
''' The toolbar for tuning instruments '''
def __init__(self, activity):
super(type(self), self).__init__()
self.activity = activity
self._show_tuning_line = False
self._updating_note = True
self._tuning_tool = None
self._instrument_button = ToolButton('instruments')
self._instrument_button.set_tooltip(_('Tune an instrument.'))
self._instrument_button.connect('clicked', self._button_selection_cb)
self.insert(self._instrument_button, -1)
self._setup_instrument_palette()
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._note = 'A'
self._notes_button = ToolButton('notes')
self._notes_button.set_tooltip(_('Notes'))
self._notes_button.connect('clicked', self._button_selection_cb)
self.insert(self._notes_button, -1)
self._setup_notes_palette()
self._octave = 4
self._octaves_button = ToolButton('octaves')
self._octaves_button.set_tooltip(_('Octaves'))
self._octaves_button.connect('clicked', self._button_selection_cb)
self.insert(self._octaves_button, -1)
self._setup_octaves_palette()
# The entry is used to display a note or for direct user input
self._freq_entry = Gtk.Entry()
self._freq_entry.set_text('440') # A
self._freq_entry_changed_id = self._freq_entry.connect(
'changed', self._update_freq_entry)
if hasattr(self._freq_entry, 'set_tooltip_text'):
self._freq_entry.set_tooltip_text(
_('Enter a frequency to display.'))
self._freq_entry.set_width_chars(8)
self._freq_entry.show()
toolitem = Gtk.ToolItem()
toolitem.add(self._freq_entry)
self.insert(toolitem, -1)
toolitem.show()
self._new_tuning_line = ToolButton('tuning-tools')
self._new_tuning_line.show()
self.insert(self._new_tuning_line, -1)
self._new_tuning_line.set_tooltip(_('Show tuning line.'))
self._new_tuning_line.connect('clicked', self.tuning_line_cb)
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._harmonic = ToolButton('harmonics')
self._harmonic.show()
self.insert(self._harmonic, -1)
self._harmonic.set_tooltip(_('Show harmonics.'))
self._harmonic.connect('clicked', self.harmonic_cb)
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._play_tone = ToolButton('media-playback-start')
self._play_tone.show()
self.insert(self._play_tone, -1)
self._play_tone.set_tooltip(_('Play a note.'))
self._play_tone.connect('clicked', self.play_cb)
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
self.insert(separator, -1)
self.label = Gtk.Label(label='')
self.label.set_use_markup(True)
self.label.show()
toolitem = Gtk.ToolItem()
toolitem.add(self.label)
self.insert(toolitem, -1)
toolitem.show()
self.show_all()
def _update_note(self):
''' Calculate the frequency based on note and octave '''
if not hasattr(self, '_freq_entry'): # Still setting up toolbar
return
i = self._octave * 12 + NOTES.index(self._note)
freq = A0 * pow(TWELTHROOT2, i)
self._updating_note = True
self._freq_entry.set_text('%0.3f' % (freq))
self.label.set_markup(
SPAN %
(style.COLOR_WHITE.get_html(), self._note + str(self._octave)))
if self._show_tuning_line:
self.activity.wave.tuning_line = freq
return
def _update_freq_entry(self, widget):
# Calculate a note from a frequency
if not self._updating_note: # Only if user types in a freq.
try:
freq = float(self._freq_entry.get_text())
# Only consider notes in piano range
if freq < A0 * 0.97:
self.label.set_text('< A0')
return
if freq > C8 * 1.03:
self.label.set_text('> C8')
return
self.label.set_markup(freq_note(freq, flatsharp=True))
except ValueError:
return
self._updating_note = False
def _button_selection_cb(self, widget):
palette = widget.get_palette()
if palette:
if not palette.is_up():
palette.popup(immediate=True)
else:
palette.popdown(immediate=True)
return
def _setup_notes_palette(self):
self._notes_palette = self._notes_button.get_palette()
for note in NOTES:
menu_item = MenuItem(icon_name='', text_label=note)
menu_item.connect('activate', self._note_selected_cb, note)
self._notes_palette.menu.append(menu_item)
menu_item.show()
def _note_selected_cb(self, widget, note):
self._note = note
self._update_note()
def _setup_octaves_palette(self):
self._octaves_palette = self._octaves_button.get_palette()
for octave in range(9):
menu_item = MenuItem(icon_name='', text_label=str(octave))
menu_item.connect('activate', self._octave_selected_cb, octave)
self._octaves_palette.menu.append(menu_item)
menu_item.show()
def _octave_selected_cb(self, widget, octave):
self._octave = octave
self._update_note()
def _setup_instrument_palette(self):
self.instrument_palette = self._instrument_button.get_palette()
self.instrument = []
for k in INSTRUMENT_DICT.keys():
self.instrument.append(k)
menu_item = MenuItem(icon_name='', text_label=k)
menu_item.connect('activate', self.instrument_selected_cb, k)
self.instrument_palette.menu.append(menu_item)
menu_item.show()
def instrument_selected_cb(self, button, instrument):
''' Callback for instrument control '''
logging.debug(instrument)
if self._tuning_tool is not None:
self.remove(self._tuning_tool)
if instrument == _('None'):
self.activity.wave.instrument = None
# Remove any previous tuning button
if hasattr(self, '_tuning_button'):
self._tuning_button.destroy()
# Restore the notes, octaves buttons
if hasattr(self, '_notes_button'):
self.insert(self._notes_button, 2)
self.insert(self._octaves_button, 3)
return
self.remove(self._notes_button)
self.remove(self._octaves_button)
self.activity.wave.instrument = instrument
# If we are not already in freq. base, switch.
if not self.activity.wave.get_fft_mode():
self.activity.timefreq_control()
# Add a Tuning palette for this instrument
self._tuning_button = ToolButton('notes')
self._tuning_button.set_tooltip(instrument)
self._tuning_button.connect('clicked', self._button_selection_cb)
self.insert(self._tuning_button, 1)
self._setup_tuning_palette(instrument)
def _setup_tuning_palette(self, instrument):
self._tuning_palette = self._tuning_button.get_palette()
self.tuning = []
self.tuning.append(_('All notes'))
menu_item = MenuItem(icon_name='', text_label=_('All notes'))
menu_item.connect('activate', self._tuning_selected_cb, instrument, -1)
self._tuning_palette.menu.append(menu_item)
menu_item.show()
for i, f in enumerate(INSTRUMENT_DICT[instrument]):
self.tuning.append(freq_note(f))
menu_item = MenuItem(icon_name='', text_label=freq_note(f))
menu_item.connect('activate', self._tuning_selected_cb, instrument,
i)
self._tuning_palette.menu.append(menu_item)
menu_item.show()
self.show_all()
def _tuning_selected_cb(self, widget, instrument, fidx):
''' Update note '''
if not hasattr(self, '_freq_entry'): # Still setting up toolbar?
return
if instrument not in INSTRUMENT_DICT:
return
if fidx == -1: # All notes
self.activity.wave.instrument = instrument
self.activity.wave.tuning_line = 0.0
self._new_tuning_line.set_icon('tuning-tools')
self._new_tuning_line.set_tooltip(_('Show tuning line.'))
self._show_tuning_line = False
else:
freq = INSTRUMENT_DICT[instrument][fidx]
self.activity.wave.instrument = None
self.activity.wave.tuning_line = freq
self._new_tuning_line.set_icon('tuning-tools-off')
self._new_tuning_line.set_tooltip(_('Hide tuning line.'))
self._show_tuning_line = True
self._updating_note = False
def harmonic_cb(self, *args):
''' Callback for harmonics control '''
self.activity.wave.harmonics = not self.activity.wave.harmonics
if self.activity.wave.harmonics:
self._harmonic.set_icon_name('harmonics-off')
self._harmonic.set_tooltip(_('Hide harmonics.'))
if self.activity.wave.instrument is None and \
self.activity.wave.tuning_line == 0.0:
self._load_tuning_line()
else:
self._harmonic.set_icon_name('harmonics')
self._harmonic.set_tooltip(_('Show harmonics.'))
def tuning_line_cb(self, *args):
''' Callback for tuning insert '''
if self._show_tuning_line:
self.activity.wave.tuning_line = 0.0
self._new_tuning_line.set_icon_name('tuning-tools')
self._new_tuning_line.set_tooltip(_('Show tuning line.'))
self._show_tuning_line = False
else:
self._load_tuning_line()
def _load_tuning_line(self):
''' Read the freq entry and use value to set tuning line '''
freq = self._freq_entry.get_text()
try:
self.activity.wave.tuning_line = float(freq)
if freq < 0:
freq = -freq
self._new_tuning_line.set_icon_name('tuning-tools-off')
self._new_tuning_line.set_tooltip(_('Hide tuning line.'))
self._show_tuning_line = True
except ValueError:
self.activity.wave.tuning_line = 0.0
self._freq_entry.set_text('0')
# If we are not already in freq. base, switch.
if not self.activity.wave.get_fft_mode():
self.activity.timefreq_control()
def play_cb(self, *args):
''' Save settings, turn off display, and then play a tone at
the current frequency '''
channels = []
for c in range(self.activity.audiograb.channels):
channels.append(self.activity.wave.get_visibility(channel=c))
self.activity.wave.set_visibility(False, channel=c)
wave_status = self.activity.wave.get_active()
self.activity.wave.set_context_off()
self.activity.wave.set_active(False)
if self.activity.hw in [XO4, XO175]:
self.activity.audiograb.stop_grabbing()
freq = float(self._freq_entry.get_text())
GObject.timeout_add(200, self.play_sound, freq, channels, wave_status)
def play_sound(self, freq, channels, wave_status):
''' Play the sound and then restore wave settings '''
self._play_sinewave(freq, 5000, 1)
if self.activity.hw in [XO4, XO175]:
self.activity.sensor_toolbar.set_mode('sound')
self.activity.sensor_toolbar.set_sound_context()
self.activity.audiograb.start_grabbing()
for c in range(self.activity.audiograb.channels):
self.activity.wave.set_visibility(channels[c], channel=c)
self.activity.wave.set_context_on()
self.activity.wave.set_active(wave_status)
def _play_sinewave(self, pitch, amplitude=5000, duration=1):
""" Create a Csound score to play a sine wave. """
self.orchlines = []
self.scorelines = []
self.instrlist = []
try:
pitch = abs(float(pitch))
amplitude = abs(float(amplitude))
duration = abs(float(duration))
except ValueError:
logging.error('bad args to _play_sinewave')
return
self._prepare_sinewave(pitch, amplitude, duration)
path = os.path.join(self.activity.get_activity_root(), 'instance',
'tmp.csd')
# Create a csound file from the score.
self._audio_write(path)
# Play the csound file.
check_output(['csound', path], 'call to csound failed?')
def _prepare_sinewave(self,
pitch,
amplitude,
duration,
starttime=0,
pitch_envelope=99,
amplitude_envelope=100,
instrument=1):
pitenv = pitch_envelope
ampenv = amplitude_envelope
if 1 not in self.instrlist:
self.orchlines.append("instr 1\n")
self.orchlines.append("kpitenv oscil 1, 1/p3, p6\n")
self.orchlines.append("aenv oscil 1, 1/p3, p7\n")
self.orchlines.append("asig oscil p5*aenv, p4*kpitenv, p8\n")
self.orchlines.append("out asig\n")
self.orchlines.append("endin\n\n")
self.instrlist.append(1)
self.scorelines.append(
"i1 %s %s %s %s %s %s %s\n" %
(str(starttime), str(duration), str(pitch), str(amplitude),
str(pitenv), str(ampenv), str(instrument)))
def _audio_write(self, file):
""" Compile a .csd file. """
csd = open(file, "w")
csd.write("<CsoundSynthesizer>\n\n")
csd.write("<CsOptions>\n")
csd.write("-+rtaudio=alsa -odevaudio -m0 -d -b256 -B512\n")
csd.write("</CsOptions>\n\n")
csd.write("<CsInstruments>\n\n")
csd.write("sr=16000\n")
csd.write("ksmps=50\n")
csd.write("nchnls=1\n\n")
for line in self.orchlines:
csd.write(line)
csd.write("\n</CsInstruments>\n\n")
csd.write("<CsScore>\n\n")
csd.write("f1 0 2048 10 1\n")
csd.write("f2 0 2048 10 1 0 .33 0 .2 0 .143 0 .111\n")
csd.write("f3 0 2048 10 1 .5 .33 .25 .2 .175 .143 .125 .111 .1\n")
csd.write("f10 0 2048 10 1 0 0 .3 0 .2 0 0 .1\n")
csd.write("f99 0 2048 7 1 2048 1\n")
csd.write("f100 0 2048 7 0. 10 1. 1900 1. 132 0.\n")
csd.write(self.scorelines.pop())
csd.write("e\n")
csd.write("\n</CsScore>\n")
csd.write("\n</CsoundSynthesizer>")
csd.close()
class TuningToolbar(Gtk.Toolbar):
''' The toolbar for tuning instruments '''
def __init__(self, activity):
super(type(self), self).__init__()
self.activity = activity
self._show_tuning_line = False
self._updating_note = True
self._tuning_tool = None
self._instrument_button = ToolButton('instruments')
self._instrument_button.set_tooltip(_('Tune an instrument.'))
self._instrument_button.connect('clicked',
self._button_selection_cb)
self.insert(self._instrument_button, -1)
self._setup_instrument_palette()
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._note = 'A'
self._notes_button = ToolButton('notes')
self._notes_button.set_tooltip(_('Notes'))
self._notes_button.connect('clicked',
self._button_selection_cb)
self.insert(self._notes_button, -1)
self._setup_notes_palette()
self._octave = 4
self._octaves_button = ToolButton('octaves')
self._octaves_button.set_tooltip(_('Octaves'))
self._octaves_button.connect('clicked',
self._button_selection_cb)
self.insert(self._octaves_button, -1)
self._setup_octaves_palette()
# The entry is used to display a note or for direct user input
self._freq_entry = Gtk.Entry()
self._freq_entry.set_text('440') # A
self._freq_entry_changed_id = self._freq_entry.connect(
'changed', self._update_freq_entry)
if hasattr(self._freq_entry, 'set_tooltip_text'):
self._freq_entry.set_tooltip_text(
_('Enter a frequency to display.'))
self._freq_entry.set_width_chars(8)
self._freq_entry.show()
toolitem = Gtk.ToolItem()
toolitem.add(self._freq_entry)
self.insert(toolitem, -1)
toolitem.show()
self._new_tuning_line = ToolButton('tuning-tools')
self._new_tuning_line.show()
self.insert(self._new_tuning_line, -1)
self._new_tuning_line.set_tooltip(_('Show tuning line.'))
self._new_tuning_line.connect('clicked', self.tuning_line_cb)
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._harmonic = ToolButton('harmonics')
self._harmonic.show()
self.insert(self._harmonic, -1)
self._harmonic.set_tooltip(_('Show harmonics.'))
self._harmonic.connect('clicked', self.harmonic_cb)
separator = Gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._play_tone = ToolButton('media-playback-start')
self._play_tone.show()
self.insert(self._play_tone, -1)
self._play_tone.set_tooltip(_('Play a note.'))
self._play_tone.connect('clicked', self.play_cb)
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
self.insert(separator, -1)
self.label = Gtk.Label(label='')
self.label.set_use_markup(True)
self.label.show()
toolitem = Gtk.ToolItem()
toolitem.add(self.label)
self.insert(toolitem, -1)
toolitem.show()
self.show_all()
def _update_note(self):
''' Calculate the frequency based on note and octave '''
if not hasattr(self, '_freq_entry'): # Still setting up toolbar
return
i = self._octave * 12 + NOTES.index(self._note)
freq = A0 * pow(TWELTHROOT2, i)
self._updating_note = True
self._freq_entry.set_text('%0.3f' % (freq))
self.label.set_markup(SPAN % (style.COLOR_WHITE.get_html(),
self._note + str(self._octave)))
if self._show_tuning_line:
self.activity.wave.tuning_line = freq
return
def _update_freq_entry(self, widget):
# Calculate a note from a frequency
if not self._updating_note: # Only if user types in a freq.
try:
freq = float(self._freq_entry.get_text())
# Only consider notes in piano range
if freq < A0 * 0.97:
self.label.set_text('< A0')
return
if freq > C8 * 1.03:
self.label.set_text('> C8')
return
self.label.set_markup(freq_note(freq, flatsharp=True))
except ValueError:
return
self._updating_note = False
def _button_selection_cb(self, widget):
palette = widget.get_palette()
if palette:
if not palette.is_up():
palette.popup(immediate=True)
else:
palette.popdown(immediate=True)
return
def _setup_notes_palette(self):
self._notes_palette = self._notes_button.get_palette()
for note in NOTES:
menu_item = MenuItem(icon_name='',
text_label=note)
menu_item.connect('activate', self._note_selected_cb, note)
self._notes_palette.menu.append(menu_item)
menu_item.show()
def _note_selected_cb(self, widget, note):
self._note = note
self._update_note()
def _setup_octaves_palette(self):
self._octaves_palette = self._octaves_button.get_palette()
for octave in range(9):
menu_item = MenuItem(icon_name='',
text_label=str(octave))
menu_item.connect('activate', self._octave_selected_cb, octave)
self._octaves_palette.menu.append(menu_item)
menu_item.show()
def _octave_selected_cb(self, widget, octave):
self._octave = octave
self._update_note()
def _setup_instrument_palette(self):
self.instrument_palette = self._instrument_button.get_palette()
self.instrument = []
for k in INSTRUMENT_DICT.keys():
self.instrument.append(k)
menu_item = MenuItem(icon_name='',
text_label=k)
menu_item.connect('activate', self.instrument_selected_cb, k)
self.instrument_palette.menu.append(menu_item)
menu_item.show()
def instrument_selected_cb(self, button, instrument):
''' Callback for instrument control '''
logging.debug(instrument)
if self._tuning_tool is not None:
self.remove(self._tuning_tool)
if instrument == _('None'):
self.activity.wave.instrument = None
# Remove any previous tuning button
if hasattr(self, '_tuning_button'):
self._tuning_button.destroy()
# Restore the notes, octaves buttons
if hasattr(self, '_notes_button'):
self.insert(self._notes_button, 2)
self.insert(self._octaves_button, 3)
return
self.remove(self._notes_button)
self.remove(self._octaves_button)
self.activity.wave.instrument = instrument
# If we are not already in freq. base, switch.
if not self.activity.wave.get_fft_mode():
self.activity.timefreq_control()
# Add a Tuning palette for this instrument
self._tuning_button = ToolButton('notes')
self._tuning_button.set_tooltip(instrument)
self._tuning_button.connect('clicked', self._button_selection_cb)
self.insert(self._tuning_button, 1)
self._setup_tuning_palette(instrument)
def _setup_tuning_palette(self, instrument):
self._tuning_palette = self._tuning_button.get_palette()
self.tuning = []
self.tuning.append(_('All notes'))
menu_item = MenuItem(icon_name='', text_label=_('All notes'))
menu_item.connect('activate', self._tuning_selected_cb,
instrument, -1)
self._tuning_palette.menu.append(menu_item)
menu_item.show()
for i, f in enumerate(INSTRUMENT_DICT[instrument]):
self.tuning.append(freq_note(f))
menu_item = MenuItem(icon_name='',
text_label=freq_note(f))
menu_item.connect('activate', self._tuning_selected_cb,
instrument, i)
self._tuning_palette.menu.append(menu_item)
menu_item.show()
self.show_all()
def _tuning_selected_cb(self, widget, instrument, fidx):
''' Update note '''
if not hasattr(self, '_freq_entry'): # Still setting up toolbar?
return
if instrument not in INSTRUMENT_DICT:
return
if fidx == -1: # All notes
self.activity.wave.instrument = instrument
self.activity.wave.tuning_line = 0.0
self._new_tuning_line.set_icon('tuning-tools')
self._new_tuning_line.set_tooltip(_('Show tuning line.'))
self._show_tuning_line = False
else:
freq = INSTRUMENT_DICT[instrument][fidx]
self.activity.wave.instrument = None
self.activity.wave.tuning_line = freq
self._new_tuning_line.set_icon('tuning-tools-off')
self._new_tuning_line.set_tooltip(_('Hide tuning line.'))
self._show_tuning_line = True
self._updating_note = False
def harmonic_cb(self, *args):
''' Callback for harmonics control '''
self.activity.wave.harmonics = not self.activity.wave.harmonics
if self.activity.wave.harmonics:
self._harmonic.set_icon_name('harmonics-off')
self._harmonic.set_tooltip(_('Hide harmonics.'))
if self.activity.wave.instrument is None and \
self.activity.wave.tuning_line == 0.0:
self._load_tuning_line()
else:
self._harmonic.set_icon_name('harmonics')
self._harmonic.set_tooltip(_('Show harmonics.'))
def tuning_line_cb(self, *args):
''' Callback for tuning insert '''
if self._show_tuning_line:
self.activity.wave.tuning_line = 0.0
self._new_tuning_line.set_icon_name('tuning-tools')
self._new_tuning_line.set_tooltip(_('Show tuning line.'))
self._show_tuning_line = False
else:
self._load_tuning_line()
def _load_tuning_line(self):
''' Read the freq entry and use value to set tuning line '''
freq = self._freq_entry.get_text()
try:
self.activity.wave.tuning_line = float(freq)
if freq < 0:
freq = -freq
self._new_tuning_line.set_icon_name('tuning-tools-off')
self._new_tuning_line.set_tooltip(_('Hide tuning line.'))
self._show_tuning_line = True
except ValueError:
self.activity.wave.tuning_line = 0.0
self._freq_entry.set_text('0')
# If we are not already in freq. base, switch.
if not self.activity.wave.get_fft_mode():
self.activity.timefreq_control()
def play_cb(self, *args):
''' Save settings, turn off display, and then play a tone at
the current frequency '''
channels = []
for c in range(self.activity.audiograb.channels):
channels.append(self.activity.wave.get_visibility(channel=c))
self.activity.wave.set_visibility(False, channel=c)
wave_status = self.activity.wave.get_active()
self.activity.wave.set_context_off()
self.activity.wave.set_active(False)
if self.activity.hw in [XO4, XO175]:
self.activity.audiograb.stop_grabbing()
freq = float(self._freq_entry.get_text())
GLib.timeout_add(200, self.play_sound, freq, channels, wave_status)
def play_sound(self, freq, channels, wave_status):
''' Play the sound and then restore wave settings '''
self._play_sinewave(freq, 5000, 1)
if self.activity.hw in [XO4, XO175]:
self.activity.sensor_toolbar.set_mode('sound')
self.activity.sensor_toolbar.set_sound_context()
self.activity.audiograb.start_grabbing()
for c in range(self.activity.audiograb.channels):
self.activity.wave.set_visibility(channels[c], channel=c)
self.activity.wave.set_context_on()
self.activity.wave.set_active(wave_status)
def _play_sinewave(self, pitch, amplitude=5000, duration=1):
""" Create a Csound score to play a sine wave. """
self.orchlines = []
self.scorelines = []
self.instrlist = []
try:
pitch = abs(float(pitch))
amplitude = abs(float(amplitude))
duration = abs(float(duration))
except ValueError:
logging.error('bad args to _play_sinewave')
return
self._prepare_sinewave(pitch, amplitude, duration)
path = os.path.join(self.activity.get_activity_root(), 'instance',
'tmp.csd')
# Create a csound file from the score.
self._audio_write(path)
# Play the csound file.
check_output(['csound', path], 'call to csound failed?')
def _prepare_sinewave(self, pitch, amplitude, duration, starttime=0,
pitch_envelope=99, amplitude_envelope=100,
instrument=1):
pitenv = pitch_envelope
ampenv = amplitude_envelope
if 1 not in self.instrlist:
self.orchlines.append("instr 1\n")
self.orchlines.append("kpitenv oscil 1, 1/p3, p6\n")
self.orchlines.append("aenv oscil 1, 1/p3, p7\n")
self.orchlines.append("asig oscil p5*aenv, p4*kpitenv, p8\n")
self.orchlines.append("out asig\n")
self.orchlines.append("endin\n\n")
self.instrlist.append(1)
self.scorelines.append("i1 %s %s %s %s %s %s %s\n" %
(str(starttime), str(duration), str(pitch),
str(amplitude), str(pitenv), str(ampenv),
str(instrument)))
def _audio_write(self, file):
""" Compile a .csd file. """
csd = open(file, "w")
csd.write("<CsoundSynthesizer>\n\n")
csd.write("<CsOptions>\n")
csd.write("-+rtaudio=alsa -odevaudio -m0 -d -b256 -B512\n")
csd.write("</CsOptions>\n\n")
csd.write("<CsInstruments>\n\n")
csd.write("sr=16000\n")
csd.write("ksmps=50\n")
csd.write("nchnls=1\n\n")
for line in self.orchlines:
csd.write(line)
csd.write("\n</CsInstruments>\n\n")
csd.write("<CsScore>\n\n")
csd.write("f1 0 2048 10 1\n")
csd.write("f2 0 2048 10 1 0 .33 0 .2 0 .143 0 .111\n")
csd.write("f3 0 2048 10 1 .5 .33 .25 .2 .175 .143 .125 .111 .1\n")
csd.write("f10 0 2048 10 1 0 0 .3 0 .2 0 0 .1\n")
csd.write("f99 0 2048 7 1 2048 1\n")
csd.write("f100 0 2048 7 0. 10 1. 1900 1. 132 0.\n")
csd.write(self.scorelines.pop())
csd.write("e\n")
csd.write("\n</CsScore>\n")
csd.write("\n</CsoundSynthesizer>")
csd.close()
class ErikosActivity(activity.Activity):
def __init__(self, handle):
super(ErikosActivity, self).__init__(handle)
toolbar_box = ToolbarBox()
# Buttons added to the Activity toolbar
activity_button = ActivityToolbarButton(self)
toolbar_box.toolbar.insert(activity_button, 0)
activity_button.show()
# Play Button
self.play = ToolButton("media-playback-start")
self.play.set_tooltip(_('Play'))
self.play.props.sensitive = True
self.play.connect('clicked', self._play_cb)
toolbar_box.toolbar.insert(self.play, -1)
self.play.show()
# Sound Toggle Button
self.sound = ToolButton("speaker-muted-100")
self.sound.set_tooltip(_('Mute'))
self.sound.props.sensitive = True
self.sound.connect('clicked', self._sound_cb)
toolbar_box.toolbar.insert(self.sound, -1)
self.sound.show()
separator = Gtk.SeparatorToolItem()
separator.show()
toolbar_box.toolbar.insert(separator, -1)
# Label for showing level
self.level_label = Gtk.Label("%s %d" % (_("Level"),1))
self.level_label.show()
level_toolitem = Gtk.ToolItem()
level_toolitem.add(self.level_label)
toolbar_box.toolbar.insert(level_toolitem,-1)
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
separator.show()
toolbar_box.toolbar.insert(separator, -1)
# The ever-present Stop Button
stop_button = StopButton(self)
stop_button.props.accelerator = '<Ctrl>Q'
toolbar_box.toolbar.insert(stop_button, -1)
stop_button.show()
self.set_toolbar_box(toolbar_box)
toolbar_box.show()
# Create a canvas
canvas = Gtk.DrawingArea()
canvas.set_size_request(Gdk.Screen.width(), Gdk.Screen.height())
self.set_canvas(canvas)
canvas.show()
self.show_all()
# Initialize the canvas
self.sw = window.new_window(canvas, \
os.path.join(activity.get_bundle_path(), \
'images/'), \
self)
self.sw.activity = self
# Read the level from the Journal
try:
sw.level = int(self.metadata['level'])
except:
pass
def _play_cb(self, button):
window.play_the_game(self.sw)
return True
def _sound_cb(self, button):
if self.sw.sound is True:
self.sound.set_icon("speaker-muted-000")
self.sound.set_tooltip(_('Unmute'))
self.sw.sound = False
else:
self.sound.set_icon("speaker-muted-100")
self.sound.set_tooltip(_('Mute'))
self.sw.sound = True
return True
"""
Write the slider positions to the Journal
"""
def write_file(self, file_path):
_logger.debug("Write level: " + str(self.sw.level))
self.metadata['level'] = self.sw.level
