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# -*- coding: utf-8 -*-
#
# This file is part of Linux Show Player
#
# Copyright 2012-2016 Francesco Ceruti <ceppofrancy@gmail.com>
#
# Linux Show Player 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.
#
# Linux Show Player 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 Linux Show Player. If not, see <http://www.gnu.org/licenses/>.
from PyQt5.QtCore import Qt, QT_TRANSLATE_NOOP
from PyQt5.QtWidgets import QGroupBox, QPushButton, QComboBox, QVBoxLayout, \
QMessageBox, QTableView, QTableWidget, QHeaderView, QGridLayout
from lisp.modules import check_module
from lisp.modules.midi.midi_input import MIDIInput
from lisp.plugins.controller.protocols.protocol import Protocol
from lisp.ui.qdelegates import ComboBoxDelegate, SpinBoxDelegate, \
CueActionDelegate
from lisp.ui.qmodels import SimpleTableModel
from lisp.ui.settings.settings_page import CueSettingsPage
from lisp.ui.ui_utils import translate
class Midi(Protocol):
def __init__(self):
super().__init__()
if check_module('midi'):
midi_input = MIDIInput()
if not midi_input.is_open():
midi_input.open()
MIDIInput().new_message.connect(self.__new_message)
def __new_message(self, message):
if message.type == 'note_on' or message.type == 'note_off':
self.protocol_event.emit(Midi.str_from_message(message))
@staticmethod
def str_from_message(message):
return Midi.str_from_values(message.type, message.channel, message.note)
@staticmethod
def str_from_values(m_type, channel, note):
return '{} {} {}'.format(m_type, channel, note)
@staticmethod
def from_string(message_str):
m_type, channel, note = message_str.split()
return m_type, int(channel), int(note)
class MidiSettings(CueSettingsPage):
Name = QT_TRANSLATE_NOOP('SettingsPageName', 'MIDI Controls')
def __init__(self, cue_class, **kwargs):
super().__init__(cue_class, **kwargs)
self.setLayout(QVBoxLayout())
self.layout().setAlignment(Qt.AlignTop)
self.midiGroup = QGroupBox(self)
self.midiGroup.setTitle(translate('ControllerMidiSettings', 'MIDI'))
# self.midiGroup.setEnabled(check_module('midi'))
self.midiGroup.setLayout(QGridLayout())
self.layout().addWidget(self.midiGroup)
self.midiModel = SimpleTableModel([
translate('ControllerMidiSettings', 'Type'),
translate('ControllerMidiSettings', 'Channel'),
translate('ControllerMidiSettings', 'Note'),
translate('ControllerMidiSettings', 'Action')])
self.midiView = MidiView(cue_class, parent=self.midiGroup)
self.midiView.setModel(self.midiModel)
self.midiGroup.layout().addWidget(self.midiView, 0, 0, 1, 2)
self.addButton = QPushButton(self.midiGroup)
self.addButton.clicked.connect(self.__new_message)
self.midiGroup.layout().addWidget(self.addButton, 1, 0)
self.removeButton = QPushButton(self.midiGroup)
self.removeButton.clicked.connect(self.__remove_message)
self.midiGroup.layout().addWidget(self.removeButton, 1, 1)
self.midiCapture = QPushButton(self.midiGroup)
self.midiCapture.clicked.connect(self.capture_message)
self.midiGroup.layout().addWidget(self.midiCapture, 2, 0)
self.msgTypeCombo = QComboBox(self.midiGroup)
self.msgTypeCombo.addItem(
translate('ControllerMidiSettings', 'Filter "note on"'))
self.msgTypeCombo.setItemData(0, 'note_on', Qt.UserRole)
self.msgTypeCombo.addItem(
translate('ControllerMidiSettings', 'Filter "note off"'))
self.msgTypeCombo.setItemData(1, 'note_off', Qt.UserRole)
self.midiGroup.layout().addWidget(self.msgTypeCombo, 2, 1)
self.retranslateUi()
self._default_action = self._cue_class.CueActions[0].name
def retranslateUi(self):
self.addButton.setText(translate('ControllerSettings', 'Add'))
self.removeButton.setText(translate('ControllerSettings', 'Remove'))
self.midiCapture.setText(translate('ControllerMidiSettings', 'Capture'))
def enable_check(self, enabled):
self.midiGroup.setCheckable(enabled)
self.midiGroup.setChecked(False)
def get_settings(self):
settings = {}
checkable = self.midiGroup.isCheckable()
if not (checkable and not self.midiGroup.isChecked()):
messages = []
for row in self.midiModel.rows:
message = Midi.str_from_values(row[0], row[1]-1, row[2])
messages.append((message, row[-1]))
if messages:
settings['midi'] = messages
return settings
def load_settings(self, settings):
if 'midi' in settings:
for options in settings['midi']:
m_type, channel, note = Midi.from_string(options[0])
self.midiModel.appendRow(m_type, channel+1, note, options[1])
def capture_message(self):
handler = MIDIInput()
handler.alternate_mode = True
handler.new_message_alt.connect(self.__add_message)
QMessageBox.information(self, '',
translate('ControllerMidiSettings',
'Listening MIDI messages ...'))
handler.new_message_alt.disconnect(self.__add_message)
handler.alternate_mode = False
def __add_message(self, msg):
if self.msgTypeCombo.currentData(Qt.UserRole) == msg.type:
self.midiModel.appendRow(msg.type, msg.channel+1, msg.note,
self._default_action)
def __new_message(self):
message_type = self.msgTypeCombo.currentData(Qt.UserRole)
self.midiModel.appendRow(message_type, 1, 0, self._default_action)
def __remove_message(self):
self.midiModel.removeRow(self.midiView.currentIndex().row())
class MidiView(QTableView):
def __init__(self, cue_class, **kwargs):
super().__init__(**kwargs)
self.delegates = [
ComboBoxDelegate(options=['note_on', 'note_off']),
SpinBoxDelegate(minimum=1, maximum=16),
SpinBoxDelegate(minimum=0, maximum=127),
CueActionDelegate(cue_class=cue_class,
mode=CueActionDelegate.Mode.Name)
]
self.setSelectionBehavior(QTableWidget.SelectRows)
self.setSelectionMode(QTableView.SingleSelection)
self.setShowGrid(False)
self.setAlternatingRowColors(True)
self.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
self.horizontalHeader().setHighlightSections(False)
self.verticalHeader().sectionResizeMode(QHeaderView.Fixed)
self.verticalHeader().setDefaultSectionSize(24)
self.verticalHeader().setHighlightSections(False)
for column, delegate in enumerate(self.delegates):
self.setItemDelegateForColumn(column, delegate)
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