class PlayingMediaWidget(QWidget):
def __init__(self, cue, **kwargs):
super().__init__(**kwargs)
self.cue = cue
self.cue_time = CueTime(cue)
self.cue_time.notify.connect(self._time_updated, Connection.QtQueued)
self._dbmeter_element = None
self._accurate_time = False
scroll_size = (self.parent().verticalScrollBar().width() + 5)
self.setGeometry(0, 0, self.parent().width() - scroll_size, 102)
self.setFocusPolicy(Qt.NoFocus)
self.gridLayoutWidget = QWidget(self)
self.gridLayoutWidget.setGeometry(self.geometry())
self.gridLayout = QGridLayout(self.gridLayoutWidget)
self.gridLayout.setContentsMargins(2, 2, 2, 2)
self.nameLabel = QLabel(self.gridLayoutWidget)
self.nameLabel.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.nameLabel.setText(cue.name)
self.nameLabel.setToolTip(cue.name)
self.gridLayout.addWidget(self.nameLabel, 0, 0, 1, 3)
self.playPauseButton = QPushButton(self.gridLayoutWidget)
self.playPauseButton.setSizePolicy(QSizePolicy.Ignored,
QSizePolicy.Ignored)
self.playPauseButton.setIcon(QIcon.fromTheme('media-playback-pause'))
self.playPauseButton.setIconSize(QSize(24, 24))
self.playPauseButton.setFocusPolicy(Qt.NoFocus)
self.playPauseButton.clicked.connect(self._pause)
self.gridLayout.addWidget(self.playPauseButton, 1, 0)
self.stopButton = QPushButton(self.gridLayoutWidget)
self.stopButton.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.stopButton.setIcon(QIcon.fromTheme('media-playback-stop'))
self.stopButton.setIconSize(QSize(24, 24))
self.stopButton.setFocusPolicy(Qt.NoFocus)
self.stopButton.clicked.connect(self._stop)
self.gridLayout.addWidget(self.stopButton, 1, 1)
self.timeDisplay = QLCDNumber(self.gridLayoutWidget)
self.timeDisplay.setStyleSheet('background-color: transparent')
self.timeDisplay.setSegmentStyle(QLCDNumber.Flat)
self.timeDisplay.setDigitCount(8)
self.timeDisplay.display(strtime(cue.media.duration))
self.gridLayout.addWidget(self.timeDisplay, 1, 2)
self.seekSlider = QClickSlider(self.gridLayoutWidget)
self.seekSlider.setOrientation(Qt.Horizontal)
self.seekSlider.setRange(0, cue.media.duration)
self.seekSlider.setFocusPolicy(Qt.NoFocus)
self.seekSlider.sliderMoved.connect(self._seek)
self.seekSlider.sliderJumped.connect(self._seek)
self.seekSlider.setVisible(False)
self.dbmeter = QDbMeter(self.gridLayoutWidget)
self.dbmeter.setVisible(False)
self.gridLayout.setRowStretch(0, 1)
self.gridLayout.setRowStretch(1, 2)
self.gridLayout.setColumnStretch(0, 3)
self.gridLayout.setColumnStretch(1, 3)
self.gridLayout.setColumnStretch(2, 5)
cue.changed('name').connect(self.name_changed)
cue.media.changed('duration').connect(self.update_duration)
cue.media.played.connect(self._pause_to_play)
cue.media.paused.connect(self._play_to_pause)
self.fade = self.cue.media.element('Fade')
if self.fade is not None:
self.fade.enter_fadein.connect(self.enter_fadein)
self.fade.enter_fadeout.connect(self.enter_fadeout)
self.fade.exit_fadein.connect(self.exit_fade)
self.fade.exit_fadeout.connect(self.exit_fade)
def enter_fadeout(self):
p = self.timeDisplay.palette()
p.setColor(p.Text, QColor(255, 50, 50))
self.timeDisplay.setPalette(p)
def enter_fadein(self):
p = self.timeDisplay.palette()
p.setColor(p.Text, QColor(0, 255, 0))
self.timeDisplay.setPalette(p)
def exit_fade(self):
self.timeDisplay.setPalette(self.palette())
def name_changed(self, name):
self.nameLabel.setText(name)
self.nameLabel.setToolTip(name)
def set_accurate_time(self, enable):
self._accurate_time = enable
def set_seek_visible(self, visible):
if visible and not self.seekSlider.isVisible():
self.gridLayout.addWidget(self.seekSlider, 2, 0, 1, 3)
self.gridLayout.setRowStretch(2, 1)
elif not visible and self.seekSlider.isVisible():
self.gridLayout.removeWidget(self.seekSlider)
self.gridLayout.setRowStretch(2, 0)
self.seekSlider.setVisible(visible)
def set_dbmeter_visible(self, visible):
if self._dbmeter_element is not None:
self._dbmeter_element.level_ready.disconnect(self.dbmeter.plot)
self._dbmeter_element = None
if visible:
self._dbmeter_element = self.cue.media.element('DbMeter')
if self._dbmeter_element is not None:
self._dbmeter_element.level_ready.connect(self.dbmeter.plot)
# Add/Remove the QDbMeter in the layout
if visible and not self.dbmeter.isVisible():
self.gridLayout.addWidget(self.dbmeter, 0, 3, 4, 1)
self.gridLayout.setColumnStretch(3, 1)
elif not visible and self.dbmeter.isVisible():
self.gridLayout.removeWidget(self.dbmeter)
self.gridLayout.setColumnStretch(3, 0)
self.dbmeter.setVisible(visible)
def _time_updated(self, time):
if not self.visibleRegion().isEmpty():
# If the given value is the duration or < 0 set the time to 0
if time == self.cue.media.duration or time < 0:
time = 0
# Set the value the seek slider
self.seekSlider.setValue(time)
# Show the time in the widget
self.timeDisplay.display(strtime(self.cue.media.duration - time,
accurate=self._accurate_time))
def update_duration(self, media, duration):
self.seekSlider.setMaximum(duration)
def _stop(self, *args):
self.cue.stop()
def _play(self, *args):
self.cue.start()
def _pause(self, *args):
self.cue.pause()
def _seek(self, position):
self.cue.media.seek(position)
def _play_to_pause(self):
self.playPauseButton.clicked.disconnect()
self.playPauseButton.clicked.connect(self._play)
self.playPauseButton.setIcon(QIcon.fromTheme('media-playback-start'))
def _pause_to_play(self):
self.playPauseButton.clicked.disconnect()
self.playPauseButton.clicked.connect(self._pause)
self.playPauseButton.setIcon(QIcon.fromTheme('media-playback-pause'))
class PlayingMediaWidget(QWidget):
def __init__(self, cue, media_time, parent=None):
super().__init__(parent)
self.cue = cue
self.media_time = media_time
self._dbmeter_element = None
self._accurate_time = False
scroll_size = (self.parent().verticalScrollBar().width() + 5)
self.setGeometry(0, 0, self.parent().width() - scroll_size, 102)
self.setFocusPolicy(Qt.NoFocus)
self.gridLayoutWidget = QWidget(self)
self.gridLayoutWidget.setGeometry(self.geometry())
self.gridLayout = QGridLayout(self.gridLayoutWidget)
self.gridLayout.setContentsMargins(2, 2, 2, 2)
self.nameLabel = QLabel(self.gridLayoutWidget)
self.nameLabel.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.nameLabel.setText(cue['name'])
self.nameLabel.setToolTip(cue['name'])
self.gridLayout.addWidget(self.nameLabel, 0, 0, 1, 3)
self.playPauseButton = QPushButton(self.gridLayoutWidget)
self.playPauseButton.setSizePolicy(QSizePolicy.Ignored,
QSizePolicy.Ignored)
self.playPauseButton.setIcon(QIcon.fromTheme("media-playback-pause"))
self.playPauseButton.setFocusPolicy(Qt.NoFocus)
self.playPauseButton.clicked.connect(lambda: self.cue.media.pause())
self.gridLayout.addWidget(self.playPauseButton, 1, 0)
self.stopButton = QPushButton(self.gridLayoutWidget)
self.stopButton.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.stopButton.setIcon(QIcon.fromTheme("media-playback-stop"))
self.stopButton.setFocusPolicy(Qt.NoFocus)
self.stopButton.clicked.connect(lambda m: cue.media.stop())
self.gridLayout.addWidget(self.stopButton, 1, 1)
self.timeDisplay = QLCDNumber(self.gridLayoutWidget)
self.timeDisplay.setSegmentStyle(QLCDNumber.Flat)
self.timeDisplay.setDigitCount(8)
self.timeDisplay.display(strtime(cue.media['duration']))
self.gridLayout.addWidget(self.timeDisplay, 1, 2)
self.seekSlider = QClickSlider(self.gridLayoutWidget)
self.seekSlider.setOrientation(Qt.Horizontal)
self.seekSlider.setRange(0, cue.media['duration'])
self.seekSlider.setFocusPolicy(Qt.NoFocus)
self.seekSlider.sliderMoved.connect(cue.media.seek)
self.seekSlider.sliderJumped.connect(cue.media.seek)
self.seekSlider.setVisible(False)
self.dbmeter = QDbMeter(self.gridLayoutWidget)
self.dbmeter.setVisible(False)
self.gridLayout.setRowStretch(0, 1)
self.gridLayout.setRowStretch(1, 2)
self.gridLayout.setColumnStretch(0, 3)
self.gridLayout.setColumnStretch(1, 3)
self.gridLayout.setColumnStretch(2, 5)
self.media_time.notify.connect(self.on_time_updated)
cue.updated.connect(self.on_cue_updated)
cue.media.duration.connect(self.update_duration)
cue.media.played.connect(self._pause_to_play)
cue.media.paused.connect(self._play_to_pause)
self.fade = self.cue.media.element("Fade")
if self.fade is not None:
self.fade.enter_fadein.connect(self.enter_fadein)
self.fade.enter_fadeout.connect(self.enter_fadeout)
self.fade.exit_fadein.connect(self.exit_fade)
self.fade.exit_fadeout.connect(self.exit_fade)
def enter_fadeout(self):
p = self.timeDisplay.palette()
p.setColor(p.Text, QColor(255, 50, 50))
self.timeDisplay.setPalette(p)
def enter_fadein(self):
p = self.timeDisplay.palette()
p.setColor(p.Text, QColor(0, 255, 0))
self.timeDisplay.setPalette(p)
def exit_fade(self):
self.timeDisplay.setPalette(self.palette())
def on_cue_updated(self, cue):
self.nameLabel.setText(cue['name'])
self.nameLabel.setToolTip(cue['name'])
def set_accurate_time(self, enable):
self._accurate_time = enable
def set_seek_visible(self, visible):
if visible and not self.seekSlider.isVisible():
self.gridLayout.addWidget(self.seekSlider, 2, 0, 1, 3)
self.gridLayout.setRowStretch(2, 1)
elif not visible and self.seekSlider.isVisible():
self.gridLayout.removeWidget(self.seekSlider)
self.gridLayout.setRowStretch(2, 0)
self.seekSlider.setVisible(visible)
def set_dbmeter_visible(self, visible):
if self._dbmeter_element is not None:
self._dbmeter_element.levelReady.disconnect(self.dbmeter.plot)
self._dbmeter_element = None
if visible:
self._dbmeter_element = self.cue.media.element("DbMeter")
if self._dbmeter_element is not None:
self._dbmeter_element.levelReady.connect(self.dbmeter.plot)
# Add/Remove the QDbMeter in the layout
if visible and not self.dbmeter.isVisible():
self.gridLayout.addWidget(self.dbmeter, 0, 3, 4, 1)
self.gridLayout.setColumnStretch(3, 1)
elif not visible and self.dbmeter.isVisible():
self.gridLayout.removeWidget(self.dbmeter)
self.gridLayout.setColumnStretch(3, 0)
self.dbmeter.setVisible(visible)
def on_time_updated(self, time):
if not self.visibleRegion().isEmpty():
# If the given value is the duration or < 0 set the time to 0
if time == self.cue.media['duration'] or time < 0:
time = 0
# Set the value the seek slider
self.seekSlider.setValue(time)
# If in count-down mode the widget will show the remaining time
time = self.cue.media['duration'] - time
# Show the time in the widget
self.timeDisplay.display(strtime(time,
accurate=self._accurate_time))
def update_duration(self, media, duration):
self.seekSlider.setMaximum(duration)
def _play_to_pause(self):
self.playPauseButton.clicked.disconnect()
self.playPauseButton.clicked.connect(lambda: self.cue.media.play())
self.playPauseButton.setIcon(QIcon.fromTheme("media-playback-start"))
def _pause_to_play(self):
self.playPauseButton.clicked.disconnect()
self.playPauseButton.clicked.connect(lambda: self.cue.media.pause())
self.playPauseButton.setIcon(QIcon.fromTheme("media-playback-pause"))
def destroy_widget(self):
self.hide()
self.set_dbmeter_visible(False)
self.media_time.notify.disconnect(self.on_time_updated)
if self.fade is not None:
self.fade.enter_fadein.disconnect(self.enter_fadein)
self.fade.enter_fadeout.disconnect(self.enter_fadeout)
self.fade.exit_fadein.disconnect(self.exit_fade)
self.fade.exit_fadeout.disconnect(self.exit_fade)
self.cue.media.duration.disconnect(self.update_duration)
self.cue.updated.disconnect(self.on_cue_updated)