def _scroll_banks(self, offset):
if self._bank:
bank_index = clamp(self._bank.index + offset, 0,
self._bank.bank_count())
self._device_bank_registry.set_device_bank(self.device(),
bank_index)
self._set_bank_index(bank_index)
def scroll_scales(self, offset):
if self._scale:
scale_index = clamp(
SCALES.index(self.scale) + offset, 0, len(SCALES))
self.scale = SCALES[scale_index] or SCALES[0]
self._update_note_translations()
self._update_led_feedback()
self._display_scale_and_key_info()
def visible_drum_pads(self):
if self._visible_drum_pads and self._all_drum_pads:
first_pad = first(self._visible_drum_pads)
if first_pad:
size = self.width * self.height
first_note = first_pad.note
if first_note > 128 - size:
size = 128 - first_note
offset = clamp(first_note, 0,
128 - len(self._visible_drum_pads))
return self._all_drum_pads[offset:offset + size]
return []
def select_previous_chain_in_rack(self):
device = self.selected_item
if device:
rack = is_rack(device)
target_chain = None
if rack and not is_empty_rack(device):
chains = list(device.chains)
selected_chain = device.view.selected_chain
index = clamp(chains.index(selected_chain) - 1, 0, len(chains))
target_chain = chains[index]
device.view.selected_chain = target_chain
self._select_item(device)
def on_num_sends_changed(self):
self.send_select_buttons.control_count = clamp(self.num_sends, 0, 8)
def scroll_keys(self, offset):
index = clamp(self.root_note + offset, 0, 12)
if index in range(12):
self.root_note = index
self._move_start_note(offset)
self._display_scale_and_key_info()