class ActionsComponent(ControlSurfaceComponent):
"""'
Simple component that provides undo/redo, record quantization toggle
and clip quantization handling.
"""
__module__ = __name__
undo_button = ButtonControl(**ACTION_BUTTON_COLORS)
redo_button = ButtonControl(color='Misc.Shift',
pressed_color='Misc.ShiftOn',
disabled_color='DefaultButton.Disabled')
quantization_on_button = ToggleButtonControl(untoggled_color='Misc.Shift',
toggled_color='Misc.ShiftOn')
def __init__(self, *a, **k):
self.suppressing_control_notifications = BooleanContext()
super(ActionsComponent, self).__init__(*a, **k)
self._record_quantization = RecordingQuantization.rec_q_sixtenth
self._on_record_quantization_changed_in_live.subject = self.song()
self._on_record_quantization_changed_in_live()
self._metronome_toggle = ToggleComponent('metronome', self.song())
def control_notifications_enabled(self):
return self.is_enabled() and not self.suppressing_control_notifications
def quantize_clip(self, clip):
assert isinstance(clip, Live.Clip.Clip)
clip.quantize(self._record_quantization, 1.0)
@undo_button.pressed
def undo_button(self, button):
if self.song().can_undo:
self.song().undo()
@redo_button.pressed
def redo_button(self, button):
if self.song().can_redo:
self.song().redo()
@quantization_on_button.toggled
def quantization_on_button(self, is_toggled, button):
self._record_quantization_on = is_toggled
self.song(
).midi_recording_quantization = self._record_quantization if self._record_quantization_on else RecordingQuantization.rec_q_no_q
@subject_slot('midi_recording_quantization')
def _on_record_quantization_changed_in_live(self):
quant_value = self.song().midi_recording_quantization
quant_on = quant_value != RecordingQuantization.rec_q_no_q
if quant_on:
self._record_quantization = quant_value
self._record_quantization_on = quant_on
with self.suppressing_control_notifications():
self.quantization_on_button.is_toggled = quant_on
def set_metronome_button(self, button):
self._metronome_toggle.set_toggle_button(button)
def update(self):
super(ActionsComponent, self).update()
self._metronome_toggle.update()
class BankToggleComponent(ControlSurfaceComponent):
bank_toggle_button = ToggleButtonControl()
def __init__(self, *a, **k):
super(BankToggleComponent, self).__init__(*a, **k)
self._toggle_elements = []
@bank_toggle_button.toggled
def bank_toggle_button(self, toggled, button):
for e in self._toggle_elements:
e.set_toggled(toggled)
def create_toggle_element(self, *a, **k):
element = ToggleElement(*a, **k)
element.toggled = self.bank_toggle_button.is_toggled
self._toggle_elements.append(element)
return element
class DetailViewCntrlComponent(ControlSurfaceComponent):
u"""
Component that can toggle the device chain- and clip view
of the selected track
"""
device_clip_toggle_button = ButtonControl(color='DefaultButton.Off')
device_nav_left_button = ButtonControl(color='DefaultButton.Off')
device_nav_right_button = ButtonControl(color='DefaultButton.Off')
detail_toggle_button = ToggleButtonControl()
def __init__(self, *a, **k):
super(DetailViewCntrlComponent, self).__init__(*a, **k)
self._detail_view_visibility_changed.subject = self.application().view
self._detail_view_visibility_changed()
self._go_to_playing_clip_task = self._tasks.add(Task.sequence(Task.wait(SHOW_PLAYING_CLIP_DELAY), Task.run(self._go_to_playing_clip)))
self._go_to_playing_clip_task.kill()
self.set_device_clip_toggle_button = self.device_clip_toggle_button.set_control_element
self.set_detail_toggle_button = self.detail_toggle_button.set_control_element
def set_device_nav_buttons(self, left_button, right_button):
self.set_device_nav_left_button(left_button)
self.set_device_nav_right_button(right_button)
@device_clip_toggle_button.pressed
def device_clip_toggle_button(self, button):
if not self.application().view.is_view_visible('Detail'):
self.application().view.show_view('Detail')
if not self.application().view.is_view_visible('Detail/DeviceChain'):
self.application().view.show_view('Detail/DeviceChain')
else:
self.application().view.show_view('Detail/Clip')
self._go_to_playing_clip_task.restart()
@device_clip_toggle_button.released
def device_clip_toggle_button(self, button):
self._go_to_playing_clip_task.kill()
@device_nav_left_button.pressed
def device_nav_left_button(self, value):
self._scroll_device_chain(NavDirection.left)
@device_nav_right_button.pressed
def device_nav_right_button(self, value):
self._scroll_device_chain(NavDirection.right)
def _scroll_device_chain(self, direction):
view = self.application().view
if not view.is_view_visible('Detail') or not view.is_view_visible('Detail/DeviceChain'):
view.show_view('Detail')
view.show_view('Detail/DeviceChain')
else:
view.scroll_view(direction, 'Detail/DeviceChain', False)
def _go_to_playing_clip(self):
song = self.song()
playing_slot_index = song.view.selected_track.playing_slot_index
if playing_slot_index > -1:
song.view.selected_scene = song.scenes[playing_slot_index]
if song.view.highlighted_clip_slot.has_clip:
self.application().view.show_view('Detail/Clip')
@detail_toggle_button.toggled
def detail_toggle_button(self, is_toggled, button):
if is_toggled:
self.application().view.show_view('Detail')
else:
self.application().view.hide_view('Detail')
@subject_slot('is_view_visible', 'Detail')
def _detail_view_visibility_changed(self):
self.detail_toggle_button.is_toggled = self.application().view.is_view_visible('Detail')
def show_view(self, view):
app_view = self.application().view
try:
if view == 'Detail/DeviceChain' or 'Detail/Clip':
if not app_view.is_view_visible('Detail'):
app_view.show_view('Detail')
if not app_view.is_view_visible(view):
app_view.show_view(view)
except RuntimeError:
pass
class InstrumentComponent(CompoundComponent, Slideable, Messenger):
"""
Class that sets up the button matrix as a piano, using different
selectable layouts for the notes.
"""
touch_strip_toggle = ToggleButtonControl()
midi_channels = range(5, 13)
def __init__(self, *a, **k):
super(InstrumentComponent, self).__init__(*a, **k)
self._scales = self.register_component(InstrumentScalesComponent())
self._matrix = None
self._delete_button = None
self._first_note = self.page_length * 3 + self.page_offset
self._last_page_length = self.page_length
self._delete_button = None
self._last_page_offset = self.page_offset
self._touch_strip = None
self._touch_strip_indication = None
self._detail_clip = None
self._has_notes = [False] * 128
self._has_notes_pattern = self._get_pattern(0)
self._takeover_pads = False
self._aftertouch_control = None
self._scales_menu = self.register_component(
EnablingModesComponent(component=self._scales,
toggle_value='DefaultButton.On'))
self._slider, self._touch_slider = self.register_components(
SlideComponent(self), SlideableTouchStripComponent(self))
self._on_scales_changed.subject = self._scales
self._on_scales_mode_changed.subject = self._scales._presets
self._update_pattern()
def set_detail_clip(self, clip):
if clip != self._detail_clip:
self._detail_clip = clip
self._on_clip_notes_changed.subject = clip
self._on_loop_start_changed.subject = clip
self._on_loop_end_changed.subject = clip
self._on_clip_notes_changed()
@subject_slot('notes')
def _on_clip_notes_changed(self):
if self._detail_clip:
self._has_notes = [False] * 128
loop_start = self._detail_clip.loop_start
loop_length = self._detail_clip.loop_end - loop_start
notes = self._detail_clip.get_notes(loop_start, 0, loop_length,
128)
for note in notes:
self._has_notes[note[0]] = True
self.notify_contents()
@subject_slot('loop_start')
def _on_loop_start_changed(self):
self._on_loop_selection_changed()
@subject_slot('loop_end')
def _on_loop_end_changed(self):
self._on_loop_selection_changed()
def _on_loop_selection_changed(self):
self._on_clip_notes_changed()
def contents(self, index):
if self._detail_clip:
note = self._has_notes_pattern[index].index
return self._has_notes[note] if note is not None else False
return False
@property
def page_length(self):
return len(self._scales.notes) if self._scales.is_diatonic else 12
@property
def position_count(self):
if not self._scales.is_diatonic:
return 139
else:
offset = self.page_offset
octaves = 11 if self._scales.notes[0] < 8 else 10
return offset + len(self._scales.notes) * octaves
def _first_scale_note_offset(self):
if not self._scales.is_diatonic:
return self._scales.notes[0]
elif self._scales.notes[0] == 0:
return 0
else:
return len(self._scales.notes) - index_if(lambda n: n >= 12,
self._scales.notes)
@property
def page_offset(self):
return 0 if self._scales.is_absolute else self._first_scale_note_offset(
)
def _get_position(self):
return self._first_note
def _set_position(self, note):
self._first_note = note
self._update_pattern()
self._update_matrix()
self.notify_position()
position = property(_get_position, _set_position)
@property
def scales(self):
return self._scales
@property
def scales_menu(self):
return self._scales_menu
@property
def pattern(self):
return self._pattern
@subject_slot('value')
def _on_matrix_value(self, value, x, y, is_momentary):
if self._delete_button and self._delete_button.is_pressed():
if value:
max_y = self._matrix.width() - 1
pitch = self._get_pattern().note(x, max_y - y).index
if pitch and self._detail_clip:
self._matrix.get_button(x, y).turn_on()
self._do_delete_pitch(pitch)
else:
self._matrix.get_button(x, y).turn_off()
def _do_delete_pitch(self, pitch):
clip = self._detail_clip
if clip:
note_name = pitch_index_to_string(pitch)
loop_length = clip.loop_end - clip.loop_start
clip.remove_notes(clip.loop_start, pitch, loop_length, 1)
self.show_notification(consts.MessageBoxText.DELETE_NOTES %
note_name)
@subject_slot('value')
def _on_delete_value(self, value):
self._set_control_pads_from_script(bool(value))
def set_matrix(self, matrix):
self._matrix = matrix
self._on_matrix_value.subject = matrix
if matrix:
matrix.reset()
self._update_matrix()
@touch_strip_toggle.toggled
def touch_strip_toggle(self, toggled, button):
self._update_touch_strip()
self._update_touch_strip_indication()
self.show_notification(
consts.MessageBoxText.TOUCHSTRIP_MODWHEEL_MODE
if toggled else consts.MessageBoxText.TOUCHSTRIP_PITCHBEND_MODE)
def set_touch_strip(self, control):
self._touch_strip = control
self._update_touch_strip()
def _update_touch_strip(self):
if self._touch_strip:
self._touch_strip.behaviour = MODWHEEL_BEHAVIOUR if self.touch_strip_toggle.is_toggled else DEFAULT_BEHAVIOUR
def set_touch_strip_indication(self, control):
self._touch_strip_indication = control
self._update_touch_strip_indication()
def _update_touch_strip_indication(self):
if self._touch_strip_indication:
self._touch_strip_indication.set_mode(TouchStripModes.CUSTOM_FREE)
self._touch_strip_indication.send_state([
(TouchStripElement.STATE_FULL
if self.touch_strip_toggle.is_toggled else
TouchStripElement.STATE_HALF) for _ in xrange(24)
])
def set_note_strip(self, strip):
self._touch_slider.set_scroll_strip(strip)
def set_octave_strip(self, strip):
self._touch_slider.set_page_strip(strip)
def set_scales_toggle_button(self, button):
raise button is None or button.is_momentary() or AssertionError
self._scales_menu.set_toggle_button(button)
def set_octave_up_button(self, button):
self._slider.set_scroll_page_up_button(button)
def set_octave_down_button(self, button):
self._slider.set_scroll_page_down_button(button)
def set_scale_up_button(self, button):
self._slider.set_scroll_up_button(button)
def set_scale_down_button(self, button):
self._slider.set_scroll_down_button(button)
def set_aftertouch_control(self, control):
self._aftertouch_control = control
self._update_aftertouch()
def set_delete_button(self, button):
self._delete_button = button
self._on_delete_value.subject = button
self._set_control_pads_from_script(button and button.is_pressed())
def _align_first_note(self):
self._first_note = self.page_offset + (
self._first_note - self._last_page_offset) * float(
self.page_length) / float(self._last_page_length)
if self._first_note >= self.position_count:
self._first_note -= self.page_length
self._last_page_length = self.page_length
self._last_page_offset = self.page_offset
@subject_slot('scales_changed')
def _on_scales_changed(self):
self._update_scale()
@subject_slot('scale_mode')
def _on_scales_mode_changed(self):
self._update_scale()
def _update_scale(self):
self._align_first_note()
self._update_pattern()
self._update_matrix()
self.notify_position_count()
self.notify_position()
self.notify_contents()
def update(self):
super(InstrumentComponent, self).update()
if self.is_enabled():
self._update_matrix()
self._update_aftertouch()
self._update_touch_strip()
self._update_touch_strip_indication()
def _update_pattern(self):
self._pattern = self._get_pattern()
self._has_notes_pattern = self._get_pattern(0)
def _update_matrix(self):
self._setup_instrument_mode()
def _setup_instrument_mode(self):
if self.is_enabled() and self._matrix:
self._matrix.reset()
pattern = self._pattern
max_j = self._matrix.width() - 1
for button, (i, j) in ifilter(first, self._matrix.iterbuttons()):
profile = 'default' if self._takeover_pads else 'instrument'
button.sensitivity_profile = profile
note_info = pattern.note(i, max_j - j)
if note_info.index != None:
button.set_on_off_values('Instrument.NoteAction',
'Instrument.' + note_info.color)
button.turn_off()
button.set_enabled(self._takeover_pads)
button.set_channel(note_info.channel)
button.set_identifier(note_info.index)
else:
button.set_channel(NON_FEEDBACK_CHANNEL)
button.set_light('Instrument.' + note_info.color)
button.set_enabled(True)
def _get_pattern(self, first_note=None):
if first_note is None:
first_note = int(round(self._first_note))
interval = self._scales._presets.interval
notes = self._scales.notes
octave = first_note / self.page_length
offset = first_note % self.page_length - self._first_scale_note_offset(
)
if interval == None:
interval = 8
elif not self._scales.is_diatonic:
interval = [0, 2, 4, 5, 7, 9, 10, 11][interval]
if self._scales._presets.is_horizontal:
steps = [1, interval]
origin = [offset, 0]
else:
steps = [interval, 1]
origin = [0, offset]
return MelodicPattern(steps=steps,
scale=notes,
origin=origin,
base_note=octave * 12,
chromatic_mode=not self._scales.is_diatonic)
def _update_aftertouch(self):
if self.is_enabled() and self._aftertouch_control != None:
self._aftertouch_control.send_value(Sysex.MONO_AFTERTOUCH)
def _set_control_pads_from_script(self, takeover_pads):
"""
If takeover_pads is True, the matrix buttons will be controlled from
the script. Otherwise they send midi notes to the track.
"""
if takeover_pads != self._takeover_pads:
self._takeover_pads = takeover_pads
self._update_matrix()