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from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtMultimedia import *
from PyQt5.QtMultimediaWidgets import *
from MainWindow import Ui_MainWindow
import midi
class PlaylistModel(QAbstractListModel):
def __init__(self, playlist, *args, **kwargs):
super(PlaylistModel, self).__init__(*args, **kwargs)
self.playlist = playlist
def data(self, index, role):
if role == Qt.DisplayRole:
media = self.playlist.media(index.row())
return media.canonicalUrl().fileName()
def rowCount(self, index):
return self.playlist.mediaCount()
class AbListModel(QAbstractListModel):
def __init__(self, *args, **kwargs):
super(AbListModel, self).__init__(*args, **kwargs)
self.abList = list()
def data(self, index, role):
if role == Qt.DisplayRole:
ab = self.abList[index.row()]
return f"{hhmmss(ab[0])} - {hhmmss(ab[1])}"
def rowCount(self, index):
return len(self.abList)
def hhmmss(ms):
# s = 1000
# m = 60000
# h = 360000
h, r = divmod(ms, 36000)
m, r = divmod(r, 60000)
s, _ = divmod(r, 1000)
return ("%d:%02d:%02d" % (h,m,s)) if h else ("%d:%02d" % (m,s))
class MainWindow(QMainWindow, Ui_MainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.setupUi(self)
self.player = QMediaPlayer()
# Setup the playlist.
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.playlistModel = PlaylistModel(self.playlist)
self.songListView.setModel(self.playlistModel)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
selection_model = self.songListView.selectionModel()
selection_model.selectionChanged.connect(self.playlistSelectionChanged)
# set button context menu policy
self.songListView.customContextMenuRequested.connect(self.onContextMenu)
# create context menu
self.songListMenu = QMenu(self)
self.addSongAction.triggered.connect(self.openSoundFile)
self.songListMenu.addAction(self.addSongAction)
self.playPauseButton.pressed.connect(self.playPause)
self.player.durationChanged.connect(self.updateDuration)
self.player.positionChanged.connect(self.updatePosition)
self.songSlider.valueChanged.connect(self.player.setPosition)
self.player.positionChanged.connect(self.positionChanged)
self.abListModel = AbListModel()
self.abListView.setModel(self.abListModel)
self.abListView.selectionModel().selectionChanged.connect(self.abListSelectionChanged)
self.saveAbButton.pressed.connect(self.addAb)
self.internalState = dict()
self.saveSessionButton.pressed.connect(self.saveSession)
self.loadSessionButton.pressed.connect(self.loadSession)
self.abRepeatButton.clicked.connect(self.abRepeatToggleClick)
self.initMidiButton.pressed.connect(self.initMidi)
self.midiEnabled = False
self.show()
def playlistSelectionChanged(self, ix):
i = ix.indexes()[0].row()
self.playlist.setCurrentIndex(i)
path = self.playlist.currentMedia().canonicalUrl().path()
self.abListModel.abList = self.internalState[path]
self.abListView.selectionModel().clearSelection()
self.abListModel.layoutChanged.emit()
self.aSlider.setValue(0)
self.bSlider.setValue(0)
def playlistPositionChanged(self, i):
if i > -1:
ix = self.playlistModel.index(i)
self.songListView.setCurrentIndex(ix)
def abListSelectionChanged(self, ix):
if len(ix.indexes()) > 0:
i = ix.indexes()[0].row()
ab = self.abListModel.abList[i]
self.aSlider.setValue(ab[0])
self.bSlider.setValue(ab[1])
def addAb(self, song=None, a=None, b=None):
currentSong = song or self.playlist.currentMedia().canonicalUrl().path()
abState = [a or self.aSlider.value(), b or self.bSlider.value()]
self.abListModel.abList.append(abState)
self.abListModel.layoutChanged.emit()
def playPause(self):
if self.player.state() == QMediaPlayer.PlayingState:
self.player.pause()
else:
self.player.play()
if self.midiEnabled:
midi.button_on(midi.lp_key[0][1], (midi.GREEN if self.player.state() == QMediaPlayer.PlayingState else midi.RED))
def updateDuration(self, duration):
self.songSlider.setMaximum(duration)
self.aSlider.setMaximum(duration)
self.bSlider.setMaximum(duration)
def updatePosition(self, position):
# Disable the events to prevent updating triggering a setPosition event (can cause stuttering).
self.songSlider.blockSignals(True)
self.songSlider.setValue(position)
self.songSlider.blockSignals(False)
def positionChanged(self, position):
if self.abRepeatButton.isChecked() and position > self.bSlider.value():
self.player.setPosition(self.aSlider.value())
def onContextMenu(self, point):
self.songListMenu.exec_(self.songListView.mapToGlobal(point))
def openSoundFile(self):
path, _ = QFileDialog.getOpenFileName(self, "Open file", "", "mp3 Audio (*.mp3);FLAC audio (*.flac);All files (*.*)")
if path:
self.addSong(path)
def addSong(self, path):
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(path)))
self.internalState[path] = list()
self.playlistModel.layoutChanged.emit()
def loadSession(self):
path, _ = QFileDialog.getOpenFileName(self, "Open file", "", "session (*.json)")
if path:
import json
with open(path, "r") as f:
session = json.load(f)
self.reset()
for song in session:
self.addSong(song)
self.abListModel.abList = self.internalState[song]
for ab in session[song]:
self.addAb(song=song, a=ab[0], b=ab[1])
def saveSession(self):
path, _ = QFileDialog.getSaveFileName(self, "Save file", "", "session (*.json)")
if path:
import json
with open(path, "w") as f:
json.dump(self.internalState, f)
def abRepeatToggleClick(self):
midi.button_on(midi.lp_key[1][1], (midi.GREEN if self.abRepeatButton.isChecked() else midi.RED))
def initMidi(self):
if self.midiEnabled:
return
try:
midi.midi_init()
except e:
print(e)
return
self.midiEnabled = True
# play pause
midi.button_on(midi.lp_key[0][1], (midi.GREEN if self.player.state() == QMediaPlayer.PlayingState else midi.RED))
midi.on_press(midi.lp_key[0][1], self.playPauseButton.click)
# next song
midi.button_on(midi.lp_key[0][2], midi.YELLOW)
midi.on_press(midi.lp_key[0][2], self.playlist.next)
# previous song
midi.button_on(midi.lp_key[0][0], midi.YELLOW)
midi.on_press(midi.lp_key[0][0], self.playlist.previous)
# a/b repeat
midi.button_on(midi.lp_key[1][1], (midi.GREEN if self.abRepeatButton.isChecked() else midi.RED))
midi.on_press(midi.lp_key[1][1], self.abRepeatButton.click)
# next ab
# TODO continue here
midi.button_on(midi.lp_key[1][2], midi.YELLOW)
#midi.on_press(midi.lp_key[1][2], nextAb)
def reset(self):
self.playlist.clear()
self.playlistModel.layoutChanged.emit()
self.abListModel.abList.clear()
self.abListModel.layoutChanged.emit()
if __name__ == '__main__':
app = QApplication([])
app.setApplicationName("Solo Tool")
app.setStyle("Fusion")
# Fusion dark palette from https://gist.github.com/QuantumCD/6245215.
palette = QPalette()
palette.setColor(QPalette.Window, QColor(53, 53, 53))
palette.setColor(QPalette.WindowText, Qt.white)
palette.setColor(QPalette.Base, QColor(25, 25, 25))
palette.setColor(QPalette.AlternateBase, QColor(53, 53, 53))
palette.setColor(QPalette.ToolTipBase, Qt.white)
palette.setColor(QPalette.ToolTipText, Qt.white)
palette.setColor(QPalette.Text, Qt.white)
palette.setColor(QPalette.Button, QColor(53, 53, 53))
palette.setColor(QPalette.ButtonText, Qt.white)
palette.setColor(QPalette.BrightText, Qt.red)
palette.setColor(QPalette.Link, QColor(42, 130, 218))
palette.setColor(QPalette.Highlight, QColor(42, 130, 218))
palette.setColor(QPalette.HighlightedText, Qt.black)
app.setPalette(palette)
app.setStyleSheet("QToolTip { color: #ffffff; background-color: #2a82da; border: 1px solid white; }")
window = MainWindow()
app.exec_()
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