class CueWidget(QWidget):
STOP = QIcon.fromTheme('led-off')
START = QIcon.fromTheme('led-running')
PAUSE = QIcon.fromTheme('led-pause')
ERROR = QIcon.fromTheme('led-error')
ICON_SIZE = 14
context_menu_request = pyqtSignal(object, QPoint)
edit_request = pyqtSignal(object)
cue_executed = pyqtSignal(object)
def __init__(self, cue, **kwargs):
super().__init__(**kwargs)
self.cue = None
self._selected = False
self._accurate_timing = False
self._show_dbmeter = False
self._countdown_mode = True
self._dbmeter_element = None
self._fade_element = None
self.setAttribute(Qt.WA_TranslucentBackground)
self.setLayout(QGridLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().setSpacing(2)
self.layout().setColumnStretch(0, 6)
self.layout().setRowStretch(0, 4)
self.nameButton = QClickLabel(self)
self.nameButton.setObjectName('ButtonCueWidget')
self.nameButton.setWordWrap(True)
self.nameButton.setAlignment(Qt.AlignCenter)
self.nameButton.setFocusPolicy(Qt.NoFocus)
self.nameButton.clicked.connect(self._clicked)
self.nameButton.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.layout().addWidget(self.nameButton, 0, 0)
self.statusIcon = QLabel(self.nameButton)
self.statusIcon.setStyleSheet('background-color: transparent')
self.statusIcon.setPixmap(CueWidget.STOP.pixmap(CueWidget.ICON_SIZE,
CueWidget.ICON_SIZE))
self.seekSlider = QClickSlider(self.nameButton)
self.seekSlider.setOrientation(Qt.Horizontal)
self.seekSlider.setFocusPolicy(Qt.NoFocus)
self.seekSlider.setVisible(False)
self.dbMeter = QDbMeter(self)
self.dbMeter.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.dbMeter.setVisible(False)
self.timeBar = QProgressBar(self)
self.timeBar.setTextVisible(False)
self.timeBar.setLayout(QHBoxLayout())
self.timeBar.layout().setContentsMargins(0, 0, 0, 0)
self.timeDisplay = QLCDNumber(self.timeBar)
self.timeDisplay.setStyleSheet('background-color: transparent')
self.timeDisplay.setSegmentStyle(QLCDNumber.Flat)
self.timeDisplay.setDigitCount(8)
self.timeDisplay.display('00:00:00')
self.timeBar.layout().addWidget(self.timeDisplay)
self.timeBar.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.timeBar.setVisible(False)
self._set_cue(cue)
@property
def selected(self):
return self._selected
@selected.setter
def selected(self, value):
self._selected = value
self._update_style(self.cue.stylesheet)
def contextMenuEvent(self, event):
self.context_menu_request.emit(self, event.globalPos())
def mouseMoveEvent(self, event):
if (event.buttons() == Qt.LeftButton and
(event.modifiers() == Qt.ControlModifier or
event.modifiers() == Qt.ShiftModifier)):
mime_data = QMimeData()
mime_data.setText(PageWidget.DRAG_MAGIC)
drag = QDrag(self)
drag.setMimeData(mime_data)
drag.setPixmap(self.grab(self.rect()))
if event.modifiers() == Qt.ControlModifier:
drag.exec_(Qt.MoveAction)
else:
drag.exec_(Qt.CopyAction)
event.accept()
else:
event.ignore()
def set_countdown_mode(self, mode):
self._countdown_mode = mode
self._update_time(self.cue.current_time())
def set_accurate_timing(self, enable):
self._accurate_timing = enable
if self.cue.state == CueState.Pause:
self._update_time(self.cue.current_time(), True)
elif self.cue.state != CueState.Running:
self._update_duration(self.cue.duration)
def show_seek_slider(self, visible):
self.seekSlider.setVisible(visible)
self.update()
def show_dbmeters(self, visible):
if isinstance(self.cue, MediaCue):
self._show_dbmeter = 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)
self.layout().addWidget(self.dbMeter, 0, 1)
self.layout().setColumnStretch(1, 1)
self.dbMeter.show()
else:
self.dbMeter.hide()
self.layout().setColumnStretch(1, 0)
self.update()
def _set_cue(self, cue):
self.cue = cue
self.cue.changed('name').connect(self._update_name, Connection.QtQueued)
self.cue.changed('stylesheet').connect(self._update_style, Connection.QtQueued)
self.cue.changed('duration').connect(self._update_duration, Connection.QtQueued)
self.cue.changed('description').connect(self._update_description, Connection.QtQueued)
if isinstance(cue, MediaCue):
self.cue.media.changed('pipe').connect(self._media_updated)
self.cue.paused.connect(self.dbMeter.reset, Connection.QtQueued)
self.cue.stopped.connect(self.dbMeter.reset, Connection.QtQueued)
self.cue.end.connect(self.dbMeter.reset, Connection.QtQueued)
self.cue.error.connect(self.dbMeter.reset, Connection.QtQueued)
self.seekSlider.sliderMoved.connect(self.cue.media.seek)
self.seekSlider.sliderJumped.connect(self.cue.media.seek)
# Cue status changed
self.cue.started.connect(self._status_playing, Connection.QtQueued)
self.cue.stopped.connect(self._status_stopped, Connection.QtQueued)
self.cue.paused.connect(self._status_paused, Connection.QtQueued)
self.cue.error.connect(self._status_error, Connection.QtQueued)
self.cue.end.connect(self._status_stopped, Connection.QtQueued)
self._cue_time = CueTime(self.cue)
self._cue_time.notify.connect(self._update_time)
self._update_name(cue.name)
self._update_style(cue.stylesheet)
self._update_duration(self.cue.duration)
def _media_updated(self):
self.show_dbmeters(self._show_dbmeter)
new_fade = self.cue.media.element('Fade')
if new_fade is not self._fade_element:
if self._fade_element is not None:
self._fade_element.enter_fadein.disconnect(self._enter_fadein)
self._fade_element.enter_fadeout.disconnect(self._enter_fadeout)
self._fade_element.exit_fadein.disconnect(self._exit_fade)
self._fade_element.exit_fadeout.disconnect(self._exit_fade)
if new_fade is not None:
self._fade_element = new_fade
self._fade_element.enter_fadein.connect(self._enter_fadein)
self._fade_element.enter_fadeout.connect(self._enter_fadeout)
self._fade_element.exit_fadein.connect(self._exit_fade)
self._fade_element.exit_fadeout.connect(self._exit_fade)
def _update_name(self, name):
self.nameButton.setText(name)
def _update_description(self, description):
self.nameButton.setToolTip(description)
def _clicked(self, event):
if not self.seekSlider.geometry().contains(event.pos()):
if event.button() != Qt.RightButton:
if event.modifiers() == Qt.ShiftModifier:
self.edit_request.emit(self.cue)
elif event.modifiers() == Qt.ControlModifier:
self.selected = not self.selected
else:
self.cue_executed.emit(self.cue)
self.cue.execute()
def _update_style(self, stylesheet):
stylesheet += 'text-decoration: underline;' if self.selected else ''
self.nameButton.setStyleSheet(stylesheet)
def _enter_fadein(self):
p = self.timeDisplay.palette()
p.setColor(p.WindowText, QColor(0, 255, 0))
self.timeDisplay.setPalette(p)
def _enter_fadeout(self):
p = self.timeDisplay.palette()
p.setColor(p.WindowText, QColor(255, 50, 50))
self.timeDisplay.setPalette(p)
def _exit_fade(self):
self.timeDisplay.setPalette(self.timeBar.palette())
def _status_stopped(self):
self.statusIcon.setPixmap(CueWidget.STOP.pixmap(CueWidget.ICON_SIZE,
CueWidget.ICON_SIZE))
self._update_time(0, True)
def _status_playing(self):
self.statusIcon.setPixmap(CueWidget.START.pixmap(CueWidget.ICON_SIZE,
CueWidget.ICON_SIZE))
def _status_paused(self):
self.statusIcon.setPixmap(CueWidget.PAUSE.pixmap(CueWidget.ICON_SIZE,
CueWidget.ICON_SIZE))
def _status_error(self, cue, error, details):
self.statusIcon.setPixmap(CueWidget.ERROR.pixmap(CueWidget.ICON_SIZE,
CueWidget.ICON_SIZE))
QDetailedMessageBox.dcritical(self.cue.name, error, details)
def _update_duration(self, duration):
# Update the maximum values of seek-slider and time progress-bar
if duration > 0:
if not self.timeBar.isVisible():
self.layout().addWidget(self.timeBar, 1, 0, 1, 2)
self.layout().setRowStretch(1, 1)
self.timeBar.show()
self.timeBar.setMaximum(duration)
self.seekSlider.setMaximum(duration)
else:
self.timeBar.hide()
self.layout().setRowStretch(1, 0)
# If not in playing or paused update the widget showed time
if self.cue.state != CueState.Running or self.cue.state != CueState.Running:
self._update_time(duration, True)
def _update_time(self, time, ignore_visibility=False):
if ignore_visibility or not self.visibleRegion().isEmpty():
# If the given value is the duration or < 0 set the time to 0
if time == self.cue.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
if self._countdown_mode:
time = self.cue.duration - time
# Set the value of the timer progress-bar
if self.cue.duration > 0:
self.timeBar.setValue(time)
# Show the time in the widget
self.timeDisplay.display(strtime(time, accurate=self._accurate_timing))
def resizeEvent(self, event):
self.update()
def update(self):
super().update()
self.layout().activate()
xdim = self.nameButton.width()
ydim = self.nameButton.height() / 5
ypos = self.nameButton.height() - ydim
self.seekSlider.setGeometry(0, ypos, xdim, ydim)
self.statusIcon.setGeometry(4, 4, CueWidget.ICON_SIZE,
CueWidget.ICON_SIZE)
class CueWidget(QWidget):
ICON_SIZE = 14
SLIDER_RANGE = 1000
context_menu_request = pyqtSignal(object, QPoint)
edit_request = pyqtSignal(object)
cue_executed = pyqtSignal(object)
def __init__(self, cue, **kwargs):
super().__init__(**kwargs)
self.cue = None
self._selected = False
self._accurate_timing = False
self._show_dbmeter = False
self._show_volume = False
self._countdown_mode = True
self._dbmeter_element = None
self._fade_element = None
self._volume_element = None
self.setAttribute(Qt.WA_TranslucentBackground)
self.setLayout(QGridLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().setSpacing(2)
self.layout().setColumnStretch(0, 6)
self.layout().setRowStretch(0, 4)
self.nameButton = QClickLabel(self)
self.nameButton.setObjectName('ButtonCueWidget')
self.nameButton.setWordWrap(True)
self.nameButton.setAlignment(Qt.AlignCenter)
self.nameButton.setFocusPolicy(Qt.NoFocus)
self.nameButton.clicked.connect(self._clicked)
self.nameButton.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.layout().addWidget(self.nameButton, 0, 0)
self.statusIcon = QLabel(self.nameButton)
self.statusIcon.setStyleSheet('background-color: transparent')
self.statusIcon.setPixmap(
pixmap_from_icon('led-off', CueWidget.ICON_SIZE))
self.seekSlider = QClickSlider(self.nameButton)
self.seekSlider.setOrientation(Qt.Horizontal)
self.seekSlider.setFocusPolicy(Qt.NoFocus)
self.seekSlider.setVisible(False)
self.volumeSlider = QClickSlider(self.nameButton)
self.volumeSlider.setObjectName('VolumeSlider')
self.volumeSlider.setOrientation(Qt.Vertical)
self.volumeSlider.setFocusPolicy(Qt.NoFocus)
self.volumeSlider.setRange(0, CueWidget.SLIDER_RANGE)
self.volumeSlider.setPageStep(10)
self.volumeSlider.valueChanged.connect(
self._change_volume, Qt.DirectConnection)
self.volumeSlider.setVisible(False)
self.dbMeter = QDbMeter(self)
self.dbMeter.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.dbMeter.setVisible(False)
self.timeBar = QProgressBar(self)
self.timeBar.setTextVisible(False)
self.timeBar.setLayout(QHBoxLayout())
self.timeBar.layout().setContentsMargins(0, 0, 0, 0)
self.timeDisplay = QLCDNumber(self.timeBar)
self.timeDisplay.setStyleSheet('background-color: transparent')
self.timeDisplay.setSegmentStyle(QLCDNumber.Flat)
self.timeDisplay.setDigitCount(8)
self.timeDisplay.display('00:00:00')
self.timeBar.layout().addWidget(self.timeDisplay)
self.timeBar.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.timeBar.setVisible(False)
self._set_cue(cue)
@property
def selected(self):
return self._selected
@selected.setter
def selected(self, value):
self._selected = value
self._update_style(self.cue.stylesheet)
def contextMenuEvent(self, event):
self.context_menu_request.emit(self, event.globalPos())
def mouseMoveEvent(self, event):
if (event.buttons() == Qt.LeftButton and
(event.modifiers() == Qt.ControlModifier or
event.modifiers() == Qt.ShiftModifier)):
mime_data = QMimeData()
mime_data.setText(PageWidget.DRAG_MAGIC)
drag = QDrag(self)
drag.setMimeData(mime_data)
drag.setPixmap(self.grab(self.rect()))
if event.modifiers() == Qt.ControlModifier:
drag.exec_(Qt.MoveAction)
else:
drag.exec_(Qt.CopyAction)
event.accept()
else:
event.ignore()
def set_countdown_mode(self, mode):
self._countdown_mode = mode
self._update_time(self.cue.current_time())
def set_accurate_timing(self, enable):
self._accurate_timing = enable
if self.cue.state & CueState.Pause:
self._update_time(self.cue.current_time(), True)
elif not self.cue.state & CueState.Running:
self._update_duration(self.cue.duration)
def show_seek_slider(self, visible):
if isinstance(self.cue, MediaCue):
self.seekSlider.setVisible(visible)
self.update()
def show_dbmeters(self, visible):
if isinstance(self.cue, MediaCue):
self._show_dbmeter = 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)
self.layout().addWidget(self.dbMeter, 0, 2)
self.layout().setColumnStretch(2, 1)
self.dbMeter.show()
else:
self.layout().removeWidget(self.dbMeter)
self.layout().setColumnStretch(2, 0)
self.dbMeter.hide()
self.update()
def show_volume_slider(self, visible):
if isinstance(self.cue, MediaCue):
self._show_volume = visible
if self._volume_element is not None:
self._volume_element.changed('volume').disconnect(
self.reset_volume)
self._volume_element = None
if visible:
self.volumeSlider.setEnabled(self.cue.state & CueState.Running)
self._volume_element = self.cue.media.element('Volume')
if self._volume_element is not None:
self.reset_volume()
self._volume_element.changed('volume').connect(
self.reset_volume,
Connection.QtQueued)
self.layout().addWidget(self.volumeSlider, 0, 1)
self.layout().setColumnStretch(1, 1)
self.volumeSlider.show()
else:
self.layout().removeWidget(self.volumeSlider)
self.layout().setColumnStretch(1, 0)
self.volumeSlider.hide()
self.update()
def reset_volume(self):
if self._volume_element is not None:
self.volumeSlider.setValue(round(fader_to_slider(
self._volume_element.volume) * CueWidget.SLIDER_RANGE))
def _set_cue(self, cue):
self.cue = cue
# Cue properties changes
self.cue.changed('name').connect(
self._update_name, Connection.QtQueued)
self.cue.changed('stylesheet').connect(
self._update_style, Connection.QtQueued)
self.cue.changed('duration').connect(
self._update_duration, Connection.QtQueued)
self.cue.changed('description').connect(
self._update_description, Connection.QtQueued)
# Fade enter/exit
self.cue.fadein_start.connect(self._enter_fadein, Connection.QtQueued)
self.cue.fadein_end.connect(self._exit_fade, Connection.QtQueued)
self.cue.fadeout_start.connect(self._enter_fadeout, Connection.QtQueued)
self.cue.fadeout_end.connect(self._exit_fade, Connection.QtQueued)
# Cue status changed
self.cue.interrupted.connect(self._status_stopped, Connection.QtQueued)
self.cue.started.connect(self._status_playing, Connection.QtQueued)
self.cue.stopped.connect(self._status_stopped, Connection.QtQueued)
self.cue.paused.connect(self._status_paused, Connection.QtQueued)
self.cue.error.connect(self._status_error, Connection.QtQueued)
self.cue.end.connect(self._status_stopped, Connection.QtQueued)
# DbMeter connections
if isinstance(cue, MediaCue):
self.cue.media.elements_changed.connect(
self._media_updated, Connection.QtQueued)
self.cue.paused.connect(self.dbMeter.reset, Connection.QtQueued)
self.cue.stopped.connect(self.dbMeter.reset, Connection.QtQueued)
self.cue.end.connect(self.dbMeter.reset, Connection.QtQueued)
self.cue.error.connect(self.dbMeter.reset, Connection.QtQueued)
self.seekSlider.sliderMoved.connect(self.cue.media.seek)
self.seekSlider.sliderJumped.connect(self.cue.media.seek)
self._cue_time = CueTime(self.cue)
self._cue_time.notify.connect(self._update_time, Connection.QtQueued)
self._update_name(cue.name)
self._update_style(cue.stylesheet)
self._update_duration(self.cue.duration)
def _media_updated(self):
self.show_dbmeters(self._show_dbmeter)
self.show_volume_slider(self._show_volume)
def _update_name(self, name):
self.nameButton.setText(name)
def _update_description(self, description):
self.nameButton.setToolTip(description)
def _change_volume(self, new_volume):
self._volume_element.current_volume = slider_to_fader(
new_volume / CueWidget.SLIDER_RANGE)
def _clicked(self, event):
if not (self.seekSlider.geometry().contains(event.pos()) and
self.seekSlider.isVisible()):
if event.button() != Qt.RightButton:
if event.modifiers() == Qt.ShiftModifier:
self.edit_request.emit(self.cue)
elif event.modifiers() == Qt.ControlModifier:
self.selected = not self.selected
else:
self.cue_executed.emit(self.cue)
self.cue.execute()
def _update_style(self, stylesheet):
stylesheet += 'text-decoration: underline;' if self.selected else ''
self.nameButton.setStyleSheet(stylesheet)
def _enter_fadein(self):
p = self.timeDisplay.palette()
p.setColor(p.WindowText, QColor(0, 255, 0))
self.timeDisplay.setPalette(p)
def _enter_fadeout(self):
p = self.timeDisplay.palette()
p.setColor(p.WindowText, QColor(255, 50, 50))
self.timeDisplay.setPalette(p)
def _exit_fade(self):
self.timeDisplay.setPalette(self.timeBar.palette())
def _status_stopped(self):
self.statusIcon.setPixmap(
pixmap_from_icon('led-off', CueWidget.ICON_SIZE))
self.volumeSlider.setEnabled(False)
self._update_time(0, True)
self.reset_volume()
def _status_playing(self):
self.statusIcon.setPixmap(
pixmap_from_icon('led-running', CueWidget.ICON_SIZE))
self.volumeSlider.setEnabled(True)
def _status_paused(self):
self.statusIcon.setPixmap(
pixmap_from_icon('led-pause', CueWidget.ICON_SIZE))
self.volumeSlider.setEnabled(False)
def _status_error(self, cue, error, details):
self.statusIcon.setPixmap(
pixmap_from_icon('led-error', CueWidget.ICON_SIZE))
self.volumeSlider.setEnabled(False)
self.reset_volume()
QDetailedMessageBox.dcritical(self.cue.name, error, details)
def _update_duration(self, duration):
# Update the maximum values of seek-slider and time progress-bar
if duration > 0:
if not self.timeBar.isVisible():
self.layout().addWidget(self.timeBar, 1, 0, 1, 3)
self.layout().setRowStretch(1, 1)
self.timeBar.show()
self.timeBar.setMaximum(duration)
self.seekSlider.setMaximum(duration)
else:
self.timeBar.hide()
self.layout().setRowStretch(1, 0)
if not self.cue.state & CueState.Running:
self._update_time(duration, True)
def _update_time(self, time, ignore_visibility=False):
if ignore_visibility or not self.visibleRegion().isEmpty():
# If the given value is the duration or < 0 set the time to 0
if time == self.cue.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
if self._countdown_mode:
time = self.cue.duration - time
# Set the value of the timer progress-bar
if self.cue.duration > 0:
self.timeBar.setValue(time)
# Show the time in the widget
self.timeDisplay.display(
strtime(time, accurate=self._accurate_timing))
def resizeEvent(self, event):
self.update()
def update(self):
super().update()
self.layout().activate()
s_width = self.nameButton.width() - 8
s_height = self.seekSlider.height()
s_ypos = self.nameButton.height() - s_height
self.seekSlider.setGeometry(4, s_ypos, s_width, s_height)
self.statusIcon.setGeometry(4, 4,
CueWidget.ICON_SIZE,
CueWidget.ICON_SIZE)
