class MainWindow(QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.setupUi(self)
self.player = QMediaPlayer()
self.player.error.connect(self.erroralert)
self.player.play()
# Setup the playlist.
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
# Add viewer for video playback, separate floating window.
self.viewer = ViewerWindow(self)
self.viewer.setWindowFlags(self.viewer.windowFlags()
| Qt.WindowStaysOnTopHint)
self.viewer.setMinimumSize(QSize(480, 360))
videoWidget = QVideoWidget()
self.viewer.setCentralWidget(videoWidget)
self.player.setVideoOutput(videoWidget)
# Connect control buttons/slides for media player.
self.playButton.pressed.connect(self.player.play)
self.pauseButton.pressed.connect(self.player.pause)
self.stopButton.pressed.connect(self.player.stop)
self.volumeSlider.valueChanged.connect(self.player.setVolume)
self.viewButton.toggled.connect(self.toggle_viewer)
self.viewer.state.connect(self.viewButton.setChecked)
self.previousButton.pressed.connect(self.playlist.previous)
self.nextButton.pressed.connect(self.playlist.next)
self.model = PlaylistModel(self.playlist)
self.playlistView.setModel(self.model)
self.playlist.currentIndexChanged.connect(
self.playlist_position_changed)
selection_model = self.playlistView.selectionModel()
selection_model.selectionChanged.connect(
self.playlist_selection_changed)
self.player.durationChanged.connect(self.update_duration)
self.player.positionChanged.connect(self.update_position)
self.timeSlider.valueChanged.connect(self.player.setPosition)
self.open_file_action.triggered.connect(self.open_file)
self.setAcceptDrops(True)
self.show()
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(484, 371)
self.centralWidget = QWidget(MainWindow)
sizePolicy = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.centralWidget.sizePolicy().hasHeightForWidth())
self.centralWidget.setSizePolicy(sizePolicy)
self.centralWidget.setObjectName("centralWidget")
self.horizontalLayout = QHBoxLayout(self.centralWidget)
self.horizontalLayout.setContentsMargins(11, 11, 11, 11)
self.horizontalLayout.setSpacing(6)
self.horizontalLayout.setObjectName("horizontalLayout")
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(6)
self.verticalLayout.setObjectName("verticalLayout")
self.playlistView = QListView(self.centralWidget)
self.playlistView.setAcceptDrops(True)
self.playlistView.setProperty("showDropIndicator", True)
self.playlistView.setDragDropMode(QAbstractItemView.DropOnly)
self.playlistView.setAlternatingRowColors(True)
self.playlistView.setUniformItemSizes(True)
self.playlistView.setObjectName("playlistView")
self.verticalLayout.addWidget(self.playlistView)
self.horizontalLayout_4 = QHBoxLayout()
self.horizontalLayout_4.setSpacing(6)
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.currentTimeLabel = QLabel(self.centralWidget)
self.currentTimeLabel.setMinimumSize(QSize(80, 0))
self.currentTimeLabel.setAlignment(Qt.AlignRight | Qt.AlignTrailing
| Qt.AlignVCenter)
self.currentTimeLabel.setObjectName("currentTimeLabel")
self.horizontalLayout_4.addWidget(self.currentTimeLabel)
self.timeSlider = QSlider(self.centralWidget)
self.timeSlider.setOrientation(Qt.Horizontal)
self.timeSlider.setObjectName("timeSlider")
self.horizontalLayout_4.addWidget(self.timeSlider)
self.totalTimeLabel = QLabel(self.centralWidget)
self.totalTimeLabel.setMinimumSize(QSize(80, 0))
self.totalTimeLabel.setAlignment(Qt.AlignLeading | Qt.AlignLeft
| Qt.AlignVCenter)
self.totalTimeLabel.setObjectName("totalTimeLabel")
self.horizontalLayout_4.addWidget(self.totalTimeLabel)
self.verticalLayout.addLayout(self.horizontalLayout_4)
self.horizontalLayout_5 = QHBoxLayout()
self.horizontalLayout_5.setSpacing(6)
self.horizontalLayout_5.setObjectName("horizontalLayout_5")
self.previousButton = QPushButton(self.centralWidget)
self.previousButton.setText("")
icon = QIcon()
icon.addPixmap(QPixmap("images/control-skip-180.png"), QIcon.Normal,
QIcon.Off)
self.previousButton.setIcon(icon)
self.previousButton.setObjectName("previousButton")
self.horizontalLayout_5.addWidget(self.previousButton)
self.playButton = QPushButton(self.centralWidget)
self.playButton.setText("")
icon1 = QIcon()
icon1.addPixmap(QPixmap("images/control.png"), QIcon.Normal, QIcon.Off)
self.playButton.setIcon(icon1)
self.playButton.setObjectName("playButton")
self.horizontalLayout_5.addWidget(self.playButton)
self.pauseButton = QPushButton(self.centralWidget)
self.pauseButton.setText("")
icon2 = QIcon()
icon2.addPixmap(QPixmap("images/control-pause.png"), QIcon.Normal,
QIcon.Off)
self.pauseButton.setIcon(icon2)
self.pauseButton.setObjectName("pauseButton")
self.horizontalLayout_5.addWidget(self.pauseButton)
self.stopButton = QPushButton(self.centralWidget)
self.stopButton.setText("")
icon3 = QIcon()
icon3.addPixmap(QPixmap("images/control-stop-square.png"),
QIcon.Normal, QIcon.Off)
self.stopButton.setIcon(icon3)
self.stopButton.setObjectName("stopButton")
self.horizontalLayout_5.addWidget(self.stopButton)
self.nextButton = QPushButton(self.centralWidget)
self.nextButton.setText("")
icon4 = QIcon()
icon4.addPixmap(QPixmap("images/control-skip.png"), QIcon.Normal,
QIcon.Off)
self.nextButton.setIcon(icon4)
self.nextButton.setObjectName("nextButton")
self.horizontalLayout_5.addWidget(self.nextButton)
self.viewButton = QPushButton(self.centralWidget)
self.viewButton.setText("")
icon5 = QIcon()
icon5.addPixmap(QPixmap("images/application-image.png"), QIcon.Normal,
QIcon.Off)
self.viewButton.setIcon(icon5)
self.viewButton.setCheckable(True)
self.viewButton.setObjectName("viewButton")
self.horizontalLayout_5.addWidget(self.viewButton)
spacerItem = QSpacerItem(40, 20, QSizePolicy.Expanding,
QSizePolicy.Minimum)
self.horizontalLayout_5.addItem(spacerItem)
self.label = QLabel(self.centralWidget)
self.label.setText("")
self.label.setPixmap(QPixmap("images/speaker-volume.png"))
self.label.setObjectName("label")
self.horizontalLayout_5.addWidget(self.label)
self.volumeSlider = QSlider(self.centralWidget)
self.volumeSlider.setMaximum(100)
self.volumeSlider.setProperty("value", 100)
self.volumeSlider.setOrientation(Qt.Horizontal)
self.volumeSlider.setObjectName("volumeSlider")
self.horizontalLayout_5.addWidget(self.volumeSlider)
self.verticalLayout.addLayout(self.horizontalLayout_5)
self.horizontalLayout.addLayout(self.verticalLayout)
MainWindow.setCentralWidget(self.centralWidget)
self.menuBar = QMenuBar(MainWindow)
self.menuBar.setGeometry(QRect(0, 0, 484, 22))
self.menuBar.setObjectName("menuBar")
self.menuFIle = QMenu(self.menuBar)
self.menuFIle.setObjectName("menuFIle")
MainWindow.setMenuBar(self.menuBar)
self.statusBar = QStatusBar(MainWindow)
self.statusBar.setObjectName("statusBar")
MainWindow.setStatusBar(self.statusBar)
self.open_file_action = QAction(MainWindow)
self.open_file_action.setObjectName("open_file_action")
self.menuFIle.addAction(self.open_file_action)
self.menuBar.addAction(self.menuFIle.menuAction())
self.retranslateUi(MainWindow)
QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "Failamp"))
self.currentTimeLabel.setText(_translate("MainWindow", "0:00"))
self.totalTimeLabel.setText(_translate("MainWindow", "0:00"))
self.menuFIle.setTitle(_translate("MainWindow", "FIle"))
self.open_file_action.setText(_translate("MainWindow", "Open file..."))
def dragEnterEvent(self, e):
if e.mimeData().hasUrls():
e.acceptProposedAction()
def dropEvent(self, e):
for url in e.mimeData().urls():
self.playlist.addMedia(QMediaContent(url))
self.model.layoutChanged.emit()
# If not playing, seeking to first of newly added + play.
if self.player.state() != QMediaPlayer.PlayingState:
i = self.playlist.mediaCount() - len(e.mimeData().urls())
self.playlist.setCurrentIndex(i)
self.player.play()
def open_file(self):
path, _ = QFileDialog.getOpenFileName(
self, "Open file", "",
"mp3 Audio (*.mp3);mp4 Video (*.mp4);Movie files (*.mov);All files (*.*)"
)
if path:
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(path)))
self.model.layoutChanged.emit()
def update_duration(self, duration):
print("!", duration)
print("?", self.player.duration())
self.timeSlider.setMaximum(duration)
if duration >= 0:
self.totalTimeLabel.setText(hhmmss(duration))
def update_position(self, position):
if position >= 0:
self.currentTimeLabel.setText(hhmmss(position))
# Disable the events to prevent updating triggering a setPosition event (can cause stuttering).
self.timeSlider.blockSignals(True)
self.timeSlider.setValue(position)
self.timeSlider.blockSignals(False)
def playlist_selection_changed(self, ix):
# We receive a QItemSelection from selectionChanged.
i = ix.indexes()[0].row()
self.playlist.setCurrentIndex(i)
def playlist_position_changed(self, i):
if i > -1:
ix = self.model.index(i)
self.playlistView.setCurrentIndex(ix)
def toggle_viewer(self, state):
if state:
self.viewer.show()
else:
self.viewer.hide()
def erroralert(self, *args):
print(args)
class Completer(QWidget):
"""docstring for ClassName
Attributes:
delegate (CompleterDelegate): the delegate use by the view
model (CompleterModel): the model
proxy_model (QSortFilterProxyModel ): the proxy model used to filter model
panel (QLabel): The description widget
view (QListView): the view
Signals:
activated (str): return the keyword selected
"""
activated = Signal(str)
def __init__(self, parent=None):
super().__init__(parent)
self._target = None
self._completion_prefix = ""
self.setWindowFlag(Qt.Popup)
self.setFocusPolicy(Qt.NoFocus)
# create model
self.model = CompleterModel()
self.proxy_model = QSortFilterProxyModel()
self.proxy_model.setSourceModel(self.model)
self.proxy_model.setFilterCaseSensitivity(Qt.CaseInsensitive)
# create delegate
self.delegate = CompleterDelegate()
# create view
self.view = QListView()
self.view.setSelectionMode(QAbstractItemView.SingleSelection)
self.view.setFocusPolicy(Qt.NoFocus)
self.view.installEventFilter(self)
self.view.setModel(self.proxy_model)
self.view.setItemDelegate(self.delegate)
self.view.setMinimumWidth(200)
self.view.setUniformItemSizes(True)
self.view.setSpacing(0)
self.view.selectionModel().currentRowChanged.connect(
self._on_row_changed)
self.setFocusProxy(self.view)
# create panel info
self.panel = QLabel()
self.panel.setAlignment(Qt.AlignTop)
self.panel.setMinimumWidth(300)
self.panel.setWordWrap(True)
self.panel.setFrameShape(QFrame.StyledPanel)
# Create layout
vlayout = QHBoxLayout()
vlayout.setContentsMargins(0, 0, 0, 0)
vlayout.setSpacing(0)
vlayout.addWidget(self.view)
vlayout.addWidget(self.panel)
self.setLayout(vlayout)
def set_target(self, target):
"""Set CodeEdit
Args:
target (CodeEdit): The CodeEdit
"""
self._target = target
self.installEventFilter(self._target)
def eventFilter(self, obj: QObject, event: QEvent) -> bool:
"""Filter event from CodeEdit and QListView
Args:
obj (QObject): Description
event (QEvent): Description
Returns:
bool
"""
# Intercept CodeEdit event
if obj == self._target:
if event.type() == QEvent.FocusOut:
# Ignore lost focus!
return True
else:
obj.event(event)
return True
# Intercept QListView event
if obj == self.view:
# Redirect event to QTextExit
if event.type() == QEvent.KeyPress and self._target:
current = self.view.selectionModel().currentIndex()
# emit signal when user press return
if event.key() == Qt.Key_Return:
word = current.data()
self.activated.emit(word)
self.hide()
event.ignore()
return True
# use tab to move down/up in the list
if event.key() == Qt.Key_Tab:
if current.row() < self.proxy_model.rowCount() - 1:
self.view.setCurrentIndex(
self.proxy_model.index(current.row() + 1, 0))
if event.key() == Qt.Key_Backtab:
if current.row() > 0:
self.view.setCurrentIndex(
self.proxy_model.index(current.row() - 1, 0))
# Route other key event to the target ! This make possible to write text when completer is visible
self._target.event(event)
return super().eventFilter(obj, event)
def complete(self, rect: QRect):
"""Show completer as popup
Args:
rect (QRect): the area where to display the completer
"""
if self.proxy_model.rowCount() == 0:
self.hide()
return
if self._target:
pos = self._target.mapToGlobal(rect.bottomRight())
self.move(pos)
self.setFocus()
if not self.isVisible():
width = 400
#height = self.view.sizeHintForRow(0) * self.proxy_model.rowCount() + 3
# HACK.. TODO better !
#height = min(self._target.height() / 2, height)
#self.resize(width, height)
self.adjustSize()
self.show()
def set_completion_prefix(self, prefix: str):
"""Set prefix and filter model
Args:
prefix (str): A prefix keyword used to filter model
"""
self.view.clearSelection()
self._completion_prefix = prefix
self.proxy_model.setFilterRegularExpression(
QRegularExpression(f"^{prefix}.*",
QRegularExpression.CaseInsensitiveOption))
if self.proxy_model.rowCount() > 0:
self.select_row(0)
def select_row(self, row: int):
"""Select a row in the model
Args:
row (int): a row number
"""
index = self.proxy_model.index(row, 0)
self.view.selectionModel().setCurrentIndex(index,
QItemSelectionModel.Select)
def completion_prefix(self) -> str:
"""getter of completion_prefix
TODO: use getter / setter
Returns:
str: Return the completion_prefix
"""
return self._completion_prefix
def hide(self):
"""Override from QWidget
Hide the completer
"""
self.set_completion_prefix("")
super().hide()
def _on_row_changed(self, current: QModelIndex, previous: QModelIndex):
"""Slot received when user select a new item in the list.
This is used to update the panel
Args:
current (QModelIndex): the selection index
previous (QModelIndex): UNUSED
"""
description = current.data(Qt.ToolTipRole)
self.panel.setText(description)
