#!/usr/bin/env python ############################################################################# ## ## Copyright (C) 2007-2008 Trolltech ASA. All rights reserved. ## ## This file is part of the example classes of the Qt Toolkit. ## ## Licensees holding a valid Qt License Agreement may use this file in ## accordance with the rights, responsibilities and obligations ## contained therein. Please consult your licensing agreement or ## contact sales@trolltech.com if any conditions of this licensing ## agreement are not clear to you. ## ## Further information about Qt licensing is available at: ## http://www.trolltech.com/products/qt/licensing.html or by ## contacting info@trolltech.com. ## ## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ## ############################################################################ # This is only needed for Python v2 but is harmless for Python v3. import sip sip.setapi('QString', 2) import sys from PyQt4 import QtCore, QtGui try: from PyQt4.phonon import Phonon except ImportError: app = QtGui.QApplication(sys.argv) QtGui.QMessageBox.critical(None, "Music Player", "Your Qt installation does not have Phonon support.", QtGui.QMessageBox.Ok | QtGui.QMessageBox.Default, QtGui.QMessageBox.NoButton) sys.exit(1) class MainWindow(QtGui.QMainWindow): def __init__(self): super(QtGui.QMainWindow, self).__init__() self.audioOutput = Phonon.AudioOutput(Phonon.MusicCategory, self) self.mediaObject = Phonon.MediaObject(self) self.metaInformationResolver = Phonon.MediaObject(self) self.mediaObject.setTickInterval(1000) self.mediaObject.tick.connect(self.tick) self.mediaObject.stateChanged.connect(self.stateChanged) self.metaInformationResolver.stateChanged.connect(self.metaStateChanged) self.mediaObject.currentSourceChanged.connect(self.sourceChanged) self.mediaObject.aboutToFinish.connect(self.aboutToFinish) Phonon.createPath(self.mediaObject, self.audioOutput) self.setupActions() self.setupMenus() self.setupUi() self.timeLcd.display("00:00") self.sources = [] def sizeHint(self): return QtCore.QSize(500, 300) def addFiles(self): files = QtGui.QFileDialog.getOpenFileNames(self, "Select Music Files", QtGui.QDesktopServices.storageLocation(QtGui.QDesktopServices.MusicLocation)) if not files: return index = len(self.sources) for string in files: self.sources.append(Phonon.MediaSource(string)) if self.sources: self.metaInformationResolver.setCurrentSource(self.sources[index]) def about(self): QtGui.QMessageBox.information(self, "About Music Player", "The Music Player example shows how to use Phonon - the " "multimedia framework that comes with Qt - to create a " "simple music player.") def stateChanged(self, newState, oldState): if newState == Phonon.ErrorState: if self.mediaObject.errorType() == Phonon.FatalError: QtGui.QMessageBox.warning(self, "Fatal Error", self.mediaObject.errorString()) else: QtGui.QMessageBox.warning(self, "Error", self.mediaObject.errorString()) elif newState == Phonon.PlayingState: self.playAction.setEnabled(False) self.pauseAction.setEnabled(True) self.stopAction.setEnabled(True) elif newState == Phonon.StoppedState: self.stopAction.setEnabled(False) self.playAction.setEnabled(True) self.pauseAction.setEnabled(False) self.timeLcd.display("00:00") elif newState == Phonon.PausedState: self.pauseAction.setEnabled(False) self.stopAction.setEnabled(True) self.playAction.setEnabled(True) def tick(self, time): displayTime = QtCore.QTime(0, (time / 60000) % 60, (time / 1000) % 60) self.timeLcd.display(displayTime.toString('mm:ss')) def tableClicked(self, row, column): wasPlaying = (self.mediaObject.state() == Phonon.PlayingState) self.mediaObject.stop() self.mediaObject.clearQueue() self.mediaObject.setCurrentSource(self.sources[row]) if wasPlaying: self.mediaObject.play() else: self.mediaObject.stop() def sourceChanged(self, source): self.musicTable.selectRow(self.sources.index(source)) self.timeLcd.display('00:00') def metaStateChanged(self, newState, oldState): if newState == Phonon.ErrorState: QtGui.QMessageBox.warning(self, "Error opening files", self.metaInformationResolver.errorString()) while self.sources and self.sources.pop() != self.metaInformationResolver.currentSource(): pass return if newState != Phonon.StoppedState and newState != Phonon.PausedState: return if self.metaInformationResolver.currentSource().type() == Phonon.MediaSource.Invalid: return metaData = self.metaInformationResolver.metaData() title = metaData.get('TITLE', [''])[0] if not title: title = self.metaInformationResolver.currentSource().fileName() titleItem = QtGui.QTableWidgetItem(title) titleItem.setFlags(titleItem.flags() ^ QtCore.Qt.ItemIsEditable) artist = metaData.get('ARTIST', [''])[0] artistItem = QtGui.QTableWidgetItem(artist) artistItem.setFlags(artistItem.flags() ^ QtCore.Qt.ItemIsEditable) album = metaData.get('ALBUM', [''])[0] albumItem = QtGui.QTableWidgetItem(album) albumItem.setFlags(albumItem.flags() ^ QtCore.Qt.ItemIsEditable) year = metaData.get('DATE', [''])[0] yearItem = QtGui.QTableWidgetItem(year) yearItem.setFlags(yearItem.flags() ^ QtCore.Qt.ItemIsEditable) currentRow = self.musicTable.rowCount() self.musicTable.insertRow(currentRow) self.musicTable.setItem(currentRow, 0, titleItem) self.musicTable.setItem(currentRow, 1, artistItem) self.musicTable.setItem(currentRow, 2, albumItem) self.musicTable.setItem(currentRow, 3, yearItem) if not self.musicTable.selectedItems(): self.musicTable.selectRow(0) self.mediaObject.setCurrentSource(self.metaInformationResolver.currentSource()) source = self.metaInformationResolver.currentSource() index = self.sources.index(self.metaInformationResolver.currentSource()) + 1 if len(self.sources) > index: self.metaInformationResolver.setCurrentSource(self.sources[index]) else: self.musicTable.resizeColumnsToContents() if self.musicTable.columnWidth(0) > 300: self.musicTable.setColumnWidth(0, 300) def aboutToFinish(self): index = self.sources.index(self.mediaObject.currentSource()) + 1 if len(self.sources) > index: self.mediaObject.enqueue(self.sources[index]) def setupActions(self): self.playAction = QtGui.QAction( self.style().standardIcon(QtGui.QStyle.SP_MediaPlay), "Play", self, shortcut="Ctrl+P", enabled=False, triggered=self.mediaObject.play) self.pauseAction = QtGui.QAction( self.style().standardIcon(QtGui.QStyle.SP_MediaPause), "Pause", self, shortcut="Ctrl+A", enabled=False, triggered=self.mediaObject.pause) self.stopAction = QtGui.QAction( self.style().standardIcon(QtGui.QStyle.SP_MediaStop), "Stop", self, shortcut="Ctrl+S", enabled=False, triggered=self.mediaObject.stop) self.nextAction = QtGui.QAction( self.style().standardIcon(QtGui.QStyle.SP_MediaSkipForward), "Next", self, shortcut="Ctrl+N") self.previousAction = QtGui.QAction( self.style().standardIcon(QtGui.QStyle.SP_MediaSkipBackward), "Previous", self, shortcut="Ctrl+R") self.addFilesAction = QtGui.QAction("Add &Files", self, shortcut="Ctrl+F", triggered=self.addFiles) self.exitAction = QtGui.QAction("E&xit", self, shortcut="Ctrl+X", triggered=self.close) self.aboutAction = QtGui.QAction("A&bout", self, shortcut="Ctrl+B", triggered=self.about) self.aboutQtAction = QtGui.QAction("About &Qt", self, shortcut="Ctrl+Q", triggered=QtGui.qApp.aboutQt) def setupMenus(self): fileMenu = self.menuBar().addMenu("&File") fileMenu.addAction(self.addFilesAction) fileMenu.addSeparator() fileMenu.addAction(self.exitAction) aboutMenu = self.menuBar().addMenu("&Help") aboutMenu.addAction(self.aboutAction) aboutMenu.addAction(self.aboutQtAction) def setupUi(self): bar = QtGui.QToolBar() bar.addAction(self.playAction) bar.addAction(self.pauseAction) bar.addAction(self.stopAction) self.seekSlider = Phonon.SeekSlider(self) self.seekSlider.setMediaObject(self.mediaObject) self.volumeSlider = Phonon.VolumeSlider(self) self.volumeSlider.setAudioOutput(self.audioOutput) self.volumeSlider.setSizePolicy(QtGui.QSizePolicy.Maximum, QtGui.QSizePolicy.Maximum) volumeLabel = QtGui.QLabel() volumeLabel.setPixmap(QtGui.QPixmap('images/volume.png')) palette = QtGui.QPalette() palette.setBrush(QtGui.QPalette.Light, QtCore.Qt.darkGray) self.timeLcd = QtGui.QLCDNumber() self.timeLcd.setPalette(palette) headers = ("Title", "Artist", "Album", "Year") self.musicTable = QtGui.QTableWidget(0, 4) self.musicTable.setHorizontalHeaderLabels(headers) self.musicTable.setSelectionMode(QtGui.QAbstractItemView.SingleSelection) self.musicTable.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows) self.musicTable.cellPressed.connect(self.tableClicked) seekerLayout = QtGui.QHBoxLayout() seekerLayout.addWidget(self.seekSlider) seekerLayout.addWidget(self.timeLcd) playbackLayout = QtGui.QHBoxLayout() playbackLayout.addWidget(bar) playbackLayout.addStretch() playbackLayout.addWidget(volumeLabel) playbackLayout.addWidget(self.volumeSlider) mainLayout = QtGui.QVBoxLayout() mainLayout.addWidget(self.musicTable) mainLayout.addLayout(seekerLayout) mainLayout.addLayout(playbackLayout) widget = QtGui.QWidget() widget.setLayout(mainLayout) self.setCentralWidget(widget) self.setWindowTitle("Phonon Music Player") if __name__ == '__main__': app = QtGui.QApplication(sys.argv) app.setApplicationName("Music Player") app.setQuitOnLastWindowClosed(True) window = MainWindow() window.show() sys.exit(app.exec_())