def __init__(self, parent, name, timeline):
"""
:param name: Name of inspecting diagnostic status
:param timeline: Timeline object from which a status is fetched
"""
#TODO(Isaac) UI construction that currently is done in this method,
# needs to be done in .ui file.
super(InspectorWindow, self).__init__(parent=parent)
self.setWindowTitle(name)
self._name = name
self.layout_vertical = QVBoxLayout(self)
self.disp = StatusSnapshot(parent=self)
self.layout_vertical.addWidget(self.disp, 1)
self._message_updated_processing = False
self._queue_updated_processing = False
self.timeline = timeline
self.timeline.message_updated.connect(
self.message_updated, Qt.DirectConnection)
self.timeline.queue_updated.connect(
self.queue_updated, Qt.DirectConnection)
self._message_updated.connect(
self._signal_message_updated, Qt.QueuedConnection)
self._queue_updated.connect(
self._signal_queue_updated, Qt.QueuedConnection)
self.timeline_pane = TimelinePane(self, self.timeline.paused)
self.timeline_pane.pause_changed.connect(self.timeline.set_paused)
self.timeline_pane.position_changed.connect(self.timeline.set_position)
self.timeline.pause_changed.connect(self.timeline_pane.set_paused)
self.timeline.position_changed.connect(self.timeline_pane.set_position)
self.layout_vertical.addWidget(self.timeline_pane, 0)
self.snapshot = QPushButton("Snapshot")
self.snapshot.clicked.connect(self._take_snapshot)
self.layout_vertical.addWidget(self.snapshot)
self.snaps = []
self.setLayout(self.layout_vertical)
# TODO better to be configurable where to appear.
self.resize(400, 600)
class InspectorWindow(QWidget):
closed = Signal(str)
_message_updated = Signal(dict)
_queue_updated = Signal()
def __init__(self, parent, name, timeline):
"""
:param name: Name of inspecting diagnostic status
:param timeline: Timeline object from which a status is fetched
"""
#TODO(Isaac) UI construction that currently is done in this method,
# needs to be done in .ui file.
super(InspectorWindow, self).__init__(parent=parent)
self.setWindowTitle(name)
self._name = name
self.layout_vertical = QVBoxLayout(self)
self.disp = StatusSnapshot(parent=self)
self.layout_vertical.addWidget(self.disp, 1)
self._message_updated_processing = False
self._queue_updated_processing = False
self.timeline = timeline
self.timeline.message_updated.connect(
self.message_updated, Qt.DirectConnection)
self.timeline.queue_updated.connect(
self.queue_updated, Qt.DirectConnection)
self._message_updated.connect(
self._signal_message_updated, Qt.QueuedConnection)
self._queue_updated.connect(
self._signal_queue_updated, Qt.QueuedConnection)
self.timeline_pane = TimelinePane(self, self.timeline.paused)
self.timeline_pane.pause_changed.connect(self.timeline.set_paused)
self.timeline_pane.position_changed.connect(self.timeline.set_position)
self.timeline.pause_changed.connect(self.timeline_pane.set_paused)
self.timeline.position_changed.connect(self.timeline_pane.set_position)
self.layout_vertical.addWidget(self.timeline_pane, 0)
self.snapshot = QPushButton("Snapshot")
self.snapshot.clicked.connect(self._take_snapshot)
self.layout_vertical.addWidget(self.snapshot)
self.snaps = []
self.setLayout(self.layout_vertical)
# TODO better to be configurable where to appear.
self.resize(400, 600)
def closeEvent(self, event):
""" called when this window is closed
Calls close on all snapshots, and emits the closed signal
"""
# TODO: are snapshots kept around even after they're closed?
# this appears to work even if the user closes some snapshots,
# and they're still left in the internal array
for snap in self.snaps:
snap.close()
self.closed.emit(self._name)
@Slot()
def queue_updated(self):
'''
This method just calls _signal_queue_updated in 'best effort' manner.
This method should be called by signal with DirectConnection.
'''
if self._queue_updated_processing:
return
self._queue_updated_processing = True
self._queue_updated.emit()
@Slot()
def _signal_queue_updated(self):
# update timeline pane
# collect worst status levels for each history
status = self.timeline.get_all_status_by_name(self._name)
self.timeline_pane.set_levels([s.level for s in status])
self.timeline_pane.set_position(self.timeline.position)
self.timeline_pane.redraw.emit()
self._queue_updated_processing = False
@Slot(dict)
def message_updated(self, status):
'''
This method just calls _signal_message_updated in 'best effort' manner.
This method should be called by signal with DirectConnection.
'''
if self._message_updated_processing:
return
self._message_updated_processing = True
self._message_updated.emit(status)
@Slot(dict)
def _signal_message_updated(self, status):
rospy.logdebug('InspectorWin message_updated')
status = status[self._name]
scroll_value = self.disp.verticalScrollBar().value()
self.status = status
self.disp.write_status.emit(status)
if self.disp.verticalScrollBar().maximum() < scroll_value:
scroll_value = self.disp.verticalScrollBar().maximum()
self.disp.verticalScrollBar().setValue(scroll_value)
self._message_updated_processing = False
def _take_snapshot(self):
snap = StatusSnapshot(status=self.status)
self.snaps.append(snap)
def _take_snapshot(self):
snap = StatusSnapshot(status=self.status)
self.snaps.append(snap)