# -*- coding: utf-8 -*- # # This file is part of Linux Show Player # # Copyright 2012-2016 Francesco Ceruti # # 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 . 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)