forked from M-Labs/artiq
Sebastien Bourdeauducq
11930228fd
When the main window is closed, Qt makes QApplication.exec() return, which conflicts with Quamash's implementation of loop.run_until_complete(). The conflict causes Quamash's run_forever() to return earlier than it should, and cause "RuntimeError('Event loop stopped before Future completed.')".
Closes #475
206 lines
7.2 KiB
Python
Executable File
206 lines
7.2 KiB
Python
Executable File
#!/usr/bin/env python3.5
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import argparse
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import asyncio
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import atexit
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import os
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import logging
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from PyQt5 import QtCore, QtGui, QtWidgets
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from quamash import QEventLoop
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from artiq import __artiq_dir__ as artiq_dir, __version__ as artiq_version
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from artiq.tools import *
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from artiq.protocols.pc_rpc import AsyncioClient
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from artiq.protocols.broadcast import Receiver
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from artiq.gui.models import ModelSubscriber
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from artiq.gui import state, applets, log
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from artiq.dashboard import (experiments, shortcuts, explorer,
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moninj, datasets, schedule)
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def get_argparser():
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if os.name == "nt":
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default_db_file = os.path.expanduser("~\\artiq_dashboard.pyon")
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else:
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default_db_file = os.path.expanduser("~/.artiq_dashboard.pyon")
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parser = argparse.ArgumentParser(description="ARTIQ Dashboard")
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parser.add_argument(
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"-s", "--server", default="::1",
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help="hostname or IP of the master to connect to")
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parser.add_argument(
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"--port-notify", default=3250, type=int,
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help="TCP port to connect to for notifications")
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parser.add_argument(
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"--port-control", default=3251, type=int,
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help="TCP port to connect to for control")
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parser.add_argument(
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"--port-broadcast", default=1067, type=int,
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help="TCP port to connect to for broadcasts")
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parser.add_argument(
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"--db-file", default=default_db_file,
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help="database file for local GUI settings "
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"(default: %(default)s)")
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verbosity_args(parser)
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return parser
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class MainWindow(QtWidgets.QMainWindow):
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def __init__(self, server):
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QtWidgets.QMainWindow.__init__(self)
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icon = QtGui.QIcon(os.path.join(artiq_dir, "gui", "logo.svg"))
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self.setWindowIcon(icon)
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self.setWindowTitle("ARTIQ Dashboard - {}".format(server))
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qfm = QtGui.QFontMetrics(self.font())
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self.resize(140*qfm.averageCharWidth(), 38*qfm.lineSpacing())
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self.exit_request = asyncio.Event()
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def closeEvent(self, event):
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event.ignore()
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self.exit_request.set()
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def save_state(self):
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return {
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"state": bytes(self.saveState()),
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"geometry": bytes(self.saveGeometry())
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}
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def restore_state(self, state):
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self.restoreGeometry(QtCore.QByteArray(state["geometry"]))
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self.restoreState(QtCore.QByteArray(state["state"]))
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class MdiArea(QtWidgets.QMdiArea):
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def __init__(self):
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QtWidgets.QMdiArea.__init__(self)
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self.pixmap = QtGui.QPixmap(os.path.join(artiq_dir, "gui", "logo20.svg"))
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def paintEvent(self, event):
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QtWidgets.QMdiArea.paintEvent(self, event)
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painter = QtGui.QPainter(self.viewport())
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x = (self.width() - self.pixmap.width())//2
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y = (self.height() - self.pixmap.height())//2
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painter.setOpacity(0.5)
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painter.drawPixmap(x, y, self.pixmap)
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def main():
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# initialize application
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args = get_argparser().parse_args()
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widget_log_handler = log.init_log(args, "dashboard")
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app = QtWidgets.QApplication(["ARTIQ Dashboard"])
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loop = QEventLoop(app)
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asyncio.set_event_loop(loop)
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atexit.register(loop.close)
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smgr = state.StateManager(args.db_file)
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# create connections to master
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rpc_clients = dict()
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for target in "schedule", "experiment_db", "dataset_db":
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client = AsyncioClient()
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loop.run_until_complete(client.connect_rpc(
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args.server, args.port_control, "master_" + target))
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atexit.register(client.close_rpc)
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rpc_clients[target] = client
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sub_clients = dict()
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for notifier_name, modelf in (("explist", explorer.Model),
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("explist_status", explorer.StatusUpdater),
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("datasets", datasets.Model),
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("schedule", schedule.Model)):
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subscriber = ModelSubscriber(notifier_name, modelf)
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loop.run_until_complete(subscriber.connect(
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args.server, args.port_notify))
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atexit_register_coroutine(subscriber.close)
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sub_clients[notifier_name] = subscriber
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log_receiver = Receiver("log", [])
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loop.run_until_complete(log_receiver.connect(
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args.server, args.port_broadcast))
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atexit_register_coroutine(log_receiver.close)
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# initialize main window
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main_window = MainWindow(args.server)
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smgr.register(main_window)
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mdi_area = MdiArea()
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mdi_area.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
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mdi_area.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
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main_window.setCentralWidget(mdi_area)
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# create UI components
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expmgr = experiments.ExperimentManager(main_window,
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sub_clients["explist"],
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sub_clients["schedule"],
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rpc_clients["schedule"],
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rpc_clients["experiment_db"])
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smgr.register(expmgr)
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d_shortcuts = shortcuts.ShortcutsDock(main_window, expmgr)
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smgr.register(d_shortcuts)
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d_explorer = explorer.ExplorerDock(expmgr, d_shortcuts,
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sub_clients["explist"],
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sub_clients["explist_status"],
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rpc_clients["schedule"],
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rpc_clients["experiment_db"])
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smgr.register(d_explorer)
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d_datasets = datasets.DatasetsDock(sub_clients["datasets"],
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rpc_clients["dataset_db"])
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smgr.register(d_datasets)
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d_applets = applets.AppletsDock(main_window, sub_clients["datasets"])
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atexit_register_coroutine(d_applets.stop)
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smgr.register(d_applets)
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d_ttl_dds = moninj.MonInj()
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loop.run_until_complete(d_ttl_dds.start(args.server, args.port_notify))
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atexit_register_coroutine(d_ttl_dds.stop)
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d_schedule = schedule.ScheduleDock(
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rpc_clients["schedule"], sub_clients["schedule"])
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smgr.register(d_schedule)
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logmgr = log.LogDockManager(main_window)
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smgr.register(logmgr)
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log_receiver.notify_cbs.append(logmgr.append_message)
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widget_log_handler.callback = logmgr.append_message
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# lay out docks
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right_docks = [
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d_explorer, d_shortcuts,
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d_ttl_dds.ttl_dock, d_ttl_dds.dds_dock,
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d_datasets, d_applets
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]
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main_window.addDockWidget(QtCore.Qt.RightDockWidgetArea, right_docks[0])
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for d1, d2 in zip(right_docks, right_docks[1:]):
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main_window.tabifyDockWidget(d1, d2)
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main_window.addDockWidget(QtCore.Qt.BottomDockWidgetArea, d_schedule)
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# load/initialize state
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if os.name == "nt":
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# HACK: show the main window before creating applets.
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# Otherwise, the windows of those applets that are in detached
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# QDockWidgets fail to be embedded.
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main_window.show()
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smgr.load()
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smgr.start()
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atexit_register_coroutine(smgr.stop)
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# create first log dock if not already in state
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d_log0 = logmgr.first_log_dock()
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if d_log0 is not None:
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main_window.tabifyDockWidget(d_schedule, d_log0)
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logging.info("ARTIQ dashboard %s connected to %s", artiq_version, args.server)
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# run
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main_window.show()
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loop.run_until_complete(main_window.exit_request.wait())
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if __name__ == "__main__":
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main()
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