mirror of https://github.com/m-labs/artiq.git
678 lines
26 KiB
Python
678 lines
26 KiB
Python
import logging
|
|
import asyncio
|
|
import sys
|
|
import string
|
|
import shlex
|
|
import os
|
|
import subprocess
|
|
from functools import partial
|
|
from itertools import count
|
|
|
|
from PyQt5 import QtCore, QtGui, QtWidgets
|
|
|
|
from sipyco.pipe_ipc import AsyncioParentComm
|
|
from sipyco.logging_tools import LogParser
|
|
from sipyco import pyon
|
|
|
|
from artiq.gui.tools import QDockWidgetCloseDetect, LayoutWidget
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class AppletIPCServer(AsyncioParentComm):
|
|
def __init__(self, datasets_sub):
|
|
AsyncioParentComm.__init__(self)
|
|
self.datasets_sub = datasets_sub
|
|
self.datasets = set()
|
|
self.dataset_prefixes = []
|
|
|
|
def write_pyon(self, obj):
|
|
self.write(pyon.encode(obj).encode() + b"\n")
|
|
|
|
async def read_pyon(self):
|
|
line = await self.readline()
|
|
return pyon.decode(line.decode())
|
|
|
|
def _is_dataset_subscribed(self, key):
|
|
if key in self.datasets:
|
|
return True
|
|
for prefix in self.dataset_prefixes:
|
|
if key.startswith(prefix):
|
|
return True
|
|
return False
|
|
|
|
def _synthesize_init(self, data):
|
|
struct = {k: v for k, v in data.items() if self._is_dataset_subscribed(k)}
|
|
return {"action": "init",
|
|
"struct": struct}
|
|
|
|
def _on_mod(self, mod):
|
|
if mod["action"] == "init":
|
|
mod = self._synthesize_init(mod["struct"])
|
|
else:
|
|
if mod["path"]:
|
|
if not self._is_dataset_subscribed(mod["path"][0]):
|
|
return
|
|
elif mod["action"] in {"setitem", "delitem"}:
|
|
if not self._is_dataset_subscribed(mod["key"]):
|
|
return
|
|
self.write_pyon({"action": "mod", "mod": mod})
|
|
|
|
async def serve(self, embed_cb, fix_initial_size_cb):
|
|
self.datasets_sub.notify_cbs.append(self._on_mod)
|
|
try:
|
|
while True:
|
|
obj = await self.read_pyon()
|
|
try:
|
|
action = obj["action"]
|
|
if action == "embed":
|
|
embed_cb(obj["win_id"])
|
|
self.write_pyon({"action": "embed_done"})
|
|
elif action == "fix_initial_size":
|
|
fix_initial_size_cb()
|
|
elif action == "subscribe":
|
|
self.datasets = obj["datasets"]
|
|
self.dataset_prefixes = obj["dataset_prefixes"]
|
|
if self.datasets_sub.model is not None:
|
|
mod = self._synthesize_init(
|
|
self.datasets_sub.model.backing_store)
|
|
self.write_pyon({"action": "mod", "mod": mod})
|
|
else:
|
|
raise ValueError("unknown action in applet message")
|
|
except:
|
|
logger.warning("error processing applet message",
|
|
exc_info=True)
|
|
self.write_pyon({"action": "error"})
|
|
except asyncio.CancelledError:
|
|
pass
|
|
except:
|
|
logger.error("error processing data from applet, "
|
|
"server stopped", exc_info=True)
|
|
finally:
|
|
self.datasets_sub.notify_cbs.remove(self._on_mod)
|
|
|
|
def start_server(self, embed_cb, fix_initial_size_cb):
|
|
self.server_task = asyncio.ensure_future(
|
|
self.serve(embed_cb, fix_initial_size_cb))
|
|
|
|
async def stop_server(self):
|
|
if hasattr(self, "server_task"):
|
|
self.server_task.cancel()
|
|
await asyncio.wait([self.server_task])
|
|
|
|
|
|
class _AppletDock(QDockWidgetCloseDetect):
|
|
def __init__(self, datasets_sub, uid, name, spec, extra_substitutes):
|
|
QDockWidgetCloseDetect.__init__(self, "Applet: " + name)
|
|
self.setObjectName("applet" + str(uid))
|
|
|
|
qfm = QtGui.QFontMetrics(self.font())
|
|
self.setMinimumSize(20*qfm.averageCharWidth(), 5*qfm.lineSpacing())
|
|
self.resize(40*qfm.averageCharWidth(), 10*qfm.lineSpacing())
|
|
|
|
self.datasets_sub = datasets_sub
|
|
self.applet_name = name
|
|
self.spec = spec
|
|
self.extra_substitutes = extra_substitutes
|
|
|
|
self.starting_stopping = False
|
|
|
|
def rename(self, name):
|
|
self.applet_name = name
|
|
self.setWindowTitle("Applet: " + name)
|
|
|
|
def _get_log_source(self):
|
|
return "applet({})".format(self.applet_name)
|
|
|
|
async def start_process(self, args, stdin):
|
|
if self.starting_stopping:
|
|
return
|
|
self.starting_stopping = True
|
|
try:
|
|
self.ipc = AppletIPCServer(self.datasets_sub)
|
|
env = os.environ.copy()
|
|
env["PYTHONUNBUFFERED"] = "1"
|
|
env["ARTIQ_APPLET_EMBED"] = self.ipc.get_address()
|
|
try:
|
|
await self.ipc.create_subprocess(
|
|
*args,
|
|
stdin=None if stdin is None else subprocess.PIPE,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
|
|
env=env, start_new_session=True)
|
|
except:
|
|
logger.warning("Applet %s failed to start", self.applet_name,
|
|
exc_info=True)
|
|
return
|
|
if stdin is not None:
|
|
self.ipc.process.stdin.write(stdin.encode())
|
|
self.ipc.process.stdin.write_eof()
|
|
asyncio.ensure_future(
|
|
LogParser(self._get_log_source).stream_task(
|
|
self.ipc.process.stdout))
|
|
asyncio.ensure_future(
|
|
LogParser(self._get_log_source).stream_task(
|
|
self.ipc.process.stderr))
|
|
self.ipc.start_server(self.embed, self.fix_initial_size)
|
|
finally:
|
|
self.starting_stopping = False
|
|
|
|
async def start(self):
|
|
if self.spec["ty"] == "command":
|
|
command_tpl = string.Template(self.spec["command"])
|
|
python = sys.executable.replace("\\", "\\\\")
|
|
command = command_tpl.safe_substitute(
|
|
python=python,
|
|
artiq_applet=python + " -m artiq.applets.",
|
|
**self.extra_substitutes
|
|
)
|
|
logger.debug("starting command %s for %s", command, self.applet_name)
|
|
await self.start_process(shlex.split(command), None)
|
|
elif self.spec["ty"] == "code":
|
|
args = [sys.executable, "-"]
|
|
args += shlex.split(self.spec["command"])
|
|
logger.debug("starting code applet %s", self.applet_name)
|
|
await self.start_process(args, self.spec["code"])
|
|
else:
|
|
raise ValueError
|
|
|
|
def embed(self, win_id):
|
|
logger.debug("capturing window 0x%x for %s", win_id, self.applet_name)
|
|
self.embed_window = QtGui.QWindow.fromWinId(win_id)
|
|
self.embed_widget = QtWidgets.QWidget.createWindowContainer(
|
|
self.embed_window)
|
|
self.setWidget(self.embed_widget)
|
|
|
|
# HACK: This function would not be needed if Qt window embedding
|
|
# worked correctly.
|
|
def fix_initial_size(self):
|
|
self.embed_window.resize(self.embed_widget.size())
|
|
|
|
async def terminate(self, delete_self=True):
|
|
if self.starting_stopping:
|
|
return
|
|
self.starting_stopping = True
|
|
|
|
if hasattr(self, "ipc"):
|
|
await self.ipc.stop_server()
|
|
if hasattr(self.ipc, "process"):
|
|
self.ipc.write_pyon({"action": "terminate"})
|
|
try:
|
|
await asyncio.wait_for(self.ipc.process.wait(), 2.0)
|
|
except:
|
|
logger.warning("Applet %s failed to exit, killing",
|
|
self.applet_name)
|
|
try:
|
|
self.ipc.process.kill()
|
|
except ProcessLookupError:
|
|
pass
|
|
await self.ipc.process.wait()
|
|
del self.ipc
|
|
|
|
if hasattr(self, "embed_widget"):
|
|
self.embed_widget.deleteLater()
|
|
del self.embed_widget
|
|
|
|
self.starting_stopping = False
|
|
|
|
if delete_self:
|
|
self.deleteLater()
|
|
|
|
async def restart(self):
|
|
await self.terminate(False)
|
|
await self.start()
|
|
|
|
|
|
_templates = [
|
|
("Big number", "${artiq_applet}big_number "
|
|
"NUMBER_DATASET"),
|
|
("Histogram", "${artiq_applet}plot_hist "
|
|
"COUNTS_DATASET "
|
|
"--x BIN_BOUNDARIES_DATASET"),
|
|
("XY", "${artiq_applet}plot_xy "
|
|
"Y_DATASET --x X_DATASET "
|
|
"--error ERROR_DATASET --fit FIT_DATASET"),
|
|
("XY + Histogram", "${artiq_applet}plot_xy_hist "
|
|
"X_DATASET "
|
|
"HIST_BIN_BOUNDARIES_DATASET "
|
|
"HISTS_COUNTS_DATASET"),
|
|
("Image", "${artiq_applet}image IMG_DATASET"),
|
|
("Progress bar", "${artiq_applet}progress_bar VALUE"),
|
|
]
|
|
|
|
|
|
# Based on:
|
|
# http://blog.elentok.com/2011/08/autocomplete-textbox-for-multiple.html
|
|
|
|
class _AutoCompleteEdit(QtWidgets.QLineEdit):
|
|
def __init__(self, parent, completer):
|
|
QtWidgets.QLineEdit.__init__(self, parent)
|
|
self._completer = completer
|
|
self._completer.setWidget(self)
|
|
self._completer.activated.connect(self._insert_completion)
|
|
|
|
def _insert_completion(self, completion):
|
|
parents = self._completer.completionPrefix()
|
|
idx = max(parents.rfind("."), parents.rfind("/"))
|
|
if idx >= 0:
|
|
parents = parents[:idx+1]
|
|
completion = parents + completion
|
|
|
|
text = self.text()
|
|
cursor = self.cursorPosition()
|
|
|
|
word_start = cursor - 1
|
|
while word_start >= 0 and text[word_start] != " ":
|
|
word_start -= 1
|
|
word_start += 1
|
|
word_end = cursor
|
|
while word_end < len(text) and text[word_end] != " ":
|
|
word_end += 1
|
|
|
|
self.setText(text[:word_start] + completion + text[word_end:])
|
|
self.setCursorPosition(word_start + len(completion))
|
|
|
|
def _update_completer_popup_items(self, completion_prefix):
|
|
self._completer.setCompletionPrefix(completion_prefix)
|
|
self._completer.popup().setCurrentIndex(
|
|
self._completer.completionModel().index(0, 0))
|
|
|
|
def _text_before_cursor(self):
|
|
text = self.text()
|
|
text_before_cursor = ""
|
|
i = self.cursorPosition() - 1
|
|
while i >= 0 and text[i] != " ":
|
|
text_before_cursor = text[i] + text_before_cursor
|
|
i -= 1
|
|
return text_before_cursor
|
|
|
|
def keyPressEvent(self, event):
|
|
QtWidgets.QLineEdit.keyPressEvent(self, event)
|
|
completion_prefix = self._text_before_cursor()
|
|
if completion_prefix != self._completer.completionPrefix():
|
|
self._update_completer_popup_items(completion_prefix)
|
|
if completion_prefix:
|
|
self._completer.complete()
|
|
else:
|
|
self._completer.popup().hide()
|
|
|
|
|
|
class _CompleterDelegate(QtWidgets.QStyledItemDelegate):
|
|
def createEditor(self, parent, option, index):
|
|
completer = QtWidgets.QCompleter()
|
|
completer.splitPath = lambda path: path.replace("/", ".").split(".")
|
|
completer.setModelSorting(
|
|
QtWidgets.QCompleter.CaseSensitivelySortedModel)
|
|
completer.setCompletionRole(QtCore.Qt.DisplayRole)
|
|
if hasattr(self, "model"):
|
|
# "TODO: Optimize updates in the source model"
|
|
# - Qt (qcompleter.cpp), never ceasing to disappoint.
|
|
# HACK:
|
|
# In the meantime, block dataChanged signals from the model.
|
|
# dataChanged never changes the content of the QCompleter in our
|
|
# case, but causes unnecessary flickering and trashing of the user
|
|
# selection when datasets are modified due to Qt's naive handler.
|
|
# Doing this is of course convoluted due to Qt's arrogance
|
|
# about private fields and not letting users knows what
|
|
# slots are connected to signals, but thanks to the complicated
|
|
# model system there is a short dirty hack in this particular case.
|
|
nodatachanged_model = QtCore.QIdentityProxyModel()
|
|
nodatachanged_model.setSourceModel(self.model)
|
|
completer.setModel(nodatachanged_model)
|
|
nodatachanged_model.dataChanged.disconnect()
|
|
return _AutoCompleteEdit(parent, completer)
|
|
|
|
def set_model(self, model):
|
|
self.model = model
|
|
|
|
|
|
class AppletsDock(QtWidgets.QDockWidget):
|
|
def __init__(self, main_window, datasets_sub, extra_substitutes={}):
|
|
"""
|
|
:param extra_substitutes: Map of extra ``${strings}`` to substitute in applet
|
|
commands to their respective values.
|
|
"""
|
|
QtWidgets.QDockWidget.__init__(self, "Applets")
|
|
self.setObjectName("Applets")
|
|
self.setFeatures(QtWidgets.QDockWidget.DockWidgetMovable |
|
|
QtWidgets.QDockWidget.DockWidgetFloatable)
|
|
|
|
self.main_window = main_window
|
|
self.datasets_sub = datasets_sub
|
|
self.extra_substitutes = extra_substitutes
|
|
self.applet_uids = set()
|
|
|
|
self.table = QtWidgets.QTreeWidget()
|
|
self.table.setColumnCount(2)
|
|
self.table.setHeaderLabels(["Name", "Command"])
|
|
self.table.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
|
|
self.table.setSelectionMode(QtWidgets.QAbstractItemView.SingleSelection)
|
|
|
|
self.table.header().setStretchLastSection(True)
|
|
self.table.header().setSectionResizeMode(
|
|
QtWidgets.QHeaderView.ResizeToContents)
|
|
self.table.setTextElideMode(QtCore.Qt.ElideNone)
|
|
|
|
self.table.setDragEnabled(True)
|
|
self.table.viewport().setAcceptDrops(True)
|
|
self.table.setDropIndicatorShown(True)
|
|
self.table.setDragDropMode(QtWidgets.QAbstractItemView.InternalMove)
|
|
|
|
self.setWidget(self.table)
|
|
|
|
completer_delegate = _CompleterDelegate()
|
|
self.table.setItemDelegateForColumn(1, completer_delegate)
|
|
datasets_sub.add_setmodel_callback(completer_delegate.set_model)
|
|
|
|
self.table.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu)
|
|
new_action = QtWidgets.QAction("New applet", self.table)
|
|
new_action.triggered.connect(partial(self.new_with_parent, self.new))
|
|
self.table.addAction(new_action)
|
|
templates_menu = QtWidgets.QMenu()
|
|
for name, template in _templates:
|
|
spec = {"ty": "command", "command": template}
|
|
action = QtWidgets.QAction(name, self.table)
|
|
action.triggered.connect(partial(
|
|
self.new_with_parent, self.new, spec=spec))
|
|
templates_menu.addAction(action)
|
|
restart_action = QtWidgets.QAction("New applet from template", self.table)
|
|
restart_action.setMenu(templates_menu)
|
|
self.table.addAction(restart_action)
|
|
restart_action = QtWidgets.QAction("Restart selected applet or group", self.table)
|
|
restart_action.setShortcut("CTRL+R")
|
|
restart_action.setShortcutContext(QtCore.Qt.WidgetShortcut)
|
|
restart_action.triggered.connect(self.restart)
|
|
self.table.addAction(restart_action)
|
|
delete_action = QtWidgets.QAction("Delete selected applet or group", self.table)
|
|
delete_action.setShortcut("DELETE")
|
|
delete_action.setShortcutContext(QtCore.Qt.WidgetShortcut)
|
|
delete_action.triggered.connect(self.delete)
|
|
self.table.addAction(delete_action)
|
|
close_all_action = QtWidgets.QAction("Close all applets", self.table)
|
|
close_all_action.setShortcut("CTRL+ALT+W")
|
|
close_all_action.setShortcutContext(QtCore.Qt.ApplicationShortcut)
|
|
close_all_action.triggered.connect(self.close_all)
|
|
self.table.addAction(close_all_action)
|
|
new_group_action = QtWidgets.QAction("New group", self.table)
|
|
new_group_action.triggered.connect(partial(self.new_with_parent, self.new_group))
|
|
self.table.addAction(new_group_action)
|
|
|
|
self.table.itemChanged.connect(self.item_changed)
|
|
|
|
# HACK
|
|
self.table.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
|
|
self.table.itemDoubleClicked.connect(self.open_editor)
|
|
|
|
def open_editor(self, item, column):
|
|
if column != 1 or item.ty != "group":
|
|
self.table.editItem(item, column)
|
|
|
|
def get_spec(self, item):
|
|
if item.applet_spec_ty == "command":
|
|
return {"ty": "command", "command": item.text(1)}
|
|
elif item.applet_spec_ty == "code":
|
|
return {"ty": "code", "code": item.applet_code,
|
|
"command": item.text(1)}
|
|
else:
|
|
raise ValueError
|
|
|
|
def set_spec(self, item, spec):
|
|
self.table.itemChanged.disconnect()
|
|
try:
|
|
item.applet_spec_ty = spec["ty"]
|
|
item.setText(1, spec["command"])
|
|
if spec["ty"] == "command":
|
|
item.setIcon(1, QtGui.QIcon())
|
|
if hasattr(item, "applet_code"):
|
|
del item.applet_code
|
|
elif spec["ty"] == "code":
|
|
item.setIcon(1, QtWidgets.QApplication.style().standardIcon(
|
|
QtWidgets.QStyle.SP_FileIcon))
|
|
item.applet_code = spec["code"]
|
|
else:
|
|
raise ValueError
|
|
dock = item.applet_dock
|
|
if dock is not None:
|
|
dock.spec = spec
|
|
finally:
|
|
self.table.itemChanged.connect(self.item_changed)
|
|
|
|
def create(self, item, name, spec):
|
|
dock = _AppletDock(self.datasets_sub, item.applet_uid, name, spec, self.extra_substitutes)
|
|
self.main_window.addDockWidget(QtCore.Qt.RightDockWidgetArea, dock)
|
|
dock.setFloating(True)
|
|
asyncio.ensure_future(dock.start())
|
|
dock.sigClosed.connect(partial(self.on_dock_closed, item, dock))
|
|
return dock
|
|
|
|
def item_changed(self, item, column):
|
|
if item.ty == "applet":
|
|
new_value = item.text(column)
|
|
dock = item.applet_dock
|
|
if dock is not None:
|
|
if column == 0:
|
|
dock.rename(new_value)
|
|
else:
|
|
dock.spec = self.get_spec(item)
|
|
|
|
if column == 0:
|
|
if item.checkState(0) == QtCore.Qt.Checked:
|
|
if item.applet_dock is None:
|
|
name = item.text(0)
|
|
spec = self.get_spec(item)
|
|
dock = self.create(item, name, spec)
|
|
item.applet_dock = dock
|
|
if item.applet_geometry is not None:
|
|
dock.restoreGeometry(item.applet_geometry)
|
|
# geometry is now handled by main window state
|
|
item.applet_geometry = None
|
|
else:
|
|
dock = item.applet_dock
|
|
item.applet_dock = None
|
|
if dock is not None:
|
|
# This calls self.on_dock_closed
|
|
dock.close()
|
|
elif item.ty == "group":
|
|
# To Qt's credit, it already does everything for us here.
|
|
pass
|
|
else:
|
|
raise ValueError
|
|
|
|
def on_dock_closed(self, item, dock):
|
|
item.applet_geometry = dock.saveGeometry()
|
|
asyncio.ensure_future(dock.terminate())
|
|
item.setCheckState(0, QtCore.Qt.Unchecked)
|
|
|
|
def get_untitled(self):
|
|
existing_names = set()
|
|
def walk(wi):
|
|
for i in range(wi.childCount()):
|
|
cwi = wi.child(i)
|
|
existing_names.add(cwi.text(0))
|
|
walk(cwi)
|
|
walk(self.table.invisibleRootItem())
|
|
|
|
i = 1
|
|
name = "untitled"
|
|
while name in existing_names:
|
|
i += 1
|
|
name = "untitled " + str(i)
|
|
return name
|
|
|
|
def new(self, uid=None, name=None, spec=None, parent=None):
|
|
if uid is None:
|
|
uid = next(i for i in count() if i not in self.applet_uids)
|
|
if spec is None:
|
|
spec = {"ty": "command", "command": ""}
|
|
assert uid not in self.applet_uids, uid
|
|
self.applet_uids.add(uid)
|
|
|
|
if name is None:
|
|
name = self.get_untitled()
|
|
item = QtWidgets.QTreeWidgetItem([name, ""])
|
|
item.ty = "applet"
|
|
item.setFlags(QtCore.Qt.ItemIsSelectable |
|
|
QtCore.Qt.ItemIsUserCheckable |
|
|
QtCore.Qt.ItemIsEditable |
|
|
QtCore.Qt.ItemIsDragEnabled |
|
|
QtCore.Qt.ItemNeverHasChildren |
|
|
QtCore.Qt.ItemIsEnabled)
|
|
item.setCheckState(0, QtCore.Qt.Unchecked)
|
|
item.applet_uid = uid
|
|
item.applet_dock = None
|
|
item.applet_geometry = None
|
|
item.setIcon(0, QtWidgets.QApplication.style().standardIcon(
|
|
QtWidgets.QStyle.SP_ComputerIcon))
|
|
self.set_spec(item, spec)
|
|
if parent is None:
|
|
self.table.addTopLevelItem(item)
|
|
else:
|
|
parent.addChild(item)
|
|
return item
|
|
|
|
def new_group(self, name=None, attr="", parent=None):
|
|
if name is None:
|
|
name = self.get_untitled()
|
|
item = QtWidgets.QTreeWidgetItem([name, attr])
|
|
item.ty = "group"
|
|
item.setFlags(QtCore.Qt.ItemIsSelectable |
|
|
QtCore.Qt.ItemIsEditable |
|
|
QtCore.Qt.ItemIsUserCheckable |
|
|
QtCore.Qt.ItemIsTristate |
|
|
QtCore.Qt.ItemIsDragEnabled |
|
|
QtCore.Qt.ItemIsDropEnabled |
|
|
QtCore.Qt.ItemIsEnabled)
|
|
item.setIcon(0, QtWidgets.QApplication.style().standardIcon(
|
|
QtWidgets.QStyle.SP_DirIcon))
|
|
if parent is None:
|
|
self.table.addTopLevelItem(item)
|
|
else:
|
|
parent.addChild(item)
|
|
return item
|
|
|
|
def new_with_parent(self, cb, **kwargs):
|
|
parent = None
|
|
selection = self.table.selectedItems()
|
|
if selection:
|
|
parent = selection[0]
|
|
if parent.ty == "applet":
|
|
parent = parent.parent()
|
|
if parent is not None:
|
|
parent.setExpanded(True)
|
|
cb(parent=parent, **kwargs)
|
|
|
|
def restart(self):
|
|
selection = self.table.selectedItems()
|
|
if selection:
|
|
item = selection[0]
|
|
def walk(wi):
|
|
if wi.ty == "applet":
|
|
dock = wi.applet_dock
|
|
if dock is not None:
|
|
asyncio.ensure_future(dock.restart())
|
|
elif wi.ty == "group":
|
|
for i in range(wi.childCount()):
|
|
walk(wi.child(i))
|
|
else:
|
|
raise ValueError
|
|
walk(item)
|
|
|
|
def delete(self):
|
|
selection = self.table.selectedItems()
|
|
if selection:
|
|
item = selection[0]
|
|
|
|
def recursive_delete(wi):
|
|
if wi.ty == "applet":
|
|
dock = wi.applet_dock
|
|
if dock is not None:
|
|
# This calls self.on_dock_closed
|
|
dock.close()
|
|
self.applet_uids.remove(wi.applet_uid)
|
|
elif wi.ty == "group":
|
|
for i in range(wi.childCount()):
|
|
recursive_delete(wi.child(i))
|
|
else:
|
|
raise ValueError
|
|
recursive_delete(item)
|
|
|
|
parent = item.parent()
|
|
if parent is None:
|
|
parent = self.table.invisibleRootItem()
|
|
parent.removeChild(item)
|
|
|
|
async def stop(self):
|
|
async def walk(wi):
|
|
for row in range(wi.childCount()):
|
|
cwi = wi.child(row)
|
|
if cwi.ty == "applet":
|
|
dock = cwi.applet_dock
|
|
if dock is not None:
|
|
await dock.terminate()
|
|
elif cwi.ty == "group":
|
|
await walk(cwi)
|
|
else:
|
|
raise ValueError
|
|
await walk(self.table.invisibleRootItem())
|
|
|
|
def save_state_item(self, wi):
|
|
state = []
|
|
for row in range(wi.childCount()):
|
|
cwi = wi.child(row)
|
|
if cwi.ty == "applet":
|
|
uid = cwi.applet_uid
|
|
enabled = cwi.checkState(0) == QtCore.Qt.Checked
|
|
name = cwi.text(0)
|
|
spec = self.get_spec(cwi)
|
|
geometry = cwi.applet_geometry
|
|
if geometry is not None:
|
|
geometry = bytes(geometry)
|
|
state.append(("applet", uid, enabled, name, spec, geometry))
|
|
elif cwi.ty == "group":
|
|
name = cwi.text(0)
|
|
attr = cwi.text(1)
|
|
expanded = cwi.isExpanded()
|
|
state_child = self.save_state_item(cwi)
|
|
state.append(("group", name, attr, expanded, state_child))
|
|
else:
|
|
raise ValueError
|
|
return state
|
|
|
|
def save_state(self):
|
|
return self.save_state_item(self.table.invisibleRootItem())
|
|
|
|
def restore_state_item(self, state, parent):
|
|
for wis in state:
|
|
if wis[0] == "applet":
|
|
_, uid, enabled, name, spec, geometry = wis
|
|
if spec["ty"] not in {"command", "code"}:
|
|
raise ValueError("Invalid applet spec type: "
|
|
+ str(spec["ty"]))
|
|
item = self.new(uid, name, spec, parent=parent)
|
|
if geometry is not None:
|
|
geometry = QtCore.QByteArray(geometry)
|
|
item.applet_geometry = geometry
|
|
if enabled:
|
|
item.setCheckState(0, QtCore.Qt.Checked)
|
|
elif wis[0] == "group":
|
|
_, name, attr, expanded, state_child = wis
|
|
item = self.new_group(name, attr, parent=parent)
|
|
item.setExpanded(expanded)
|
|
self.restore_state_item(state_child, item)
|
|
else:
|
|
raise ValueError("Invalid item state: " + str(wis[0]))
|
|
|
|
def restore_state(self, state):
|
|
self.restore_state_item(state, None)
|
|
|
|
def close_all(self):
|
|
def walk(wi):
|
|
for i in range(wi.childCount()):
|
|
cwi = wi.child(i)
|
|
if cwi.ty == "applet":
|
|
if cwi.checkState(0) == QtCore.Qt.Checked:
|
|
cwi.setCheckState(0, QtCore.Qt.Unchecked)
|
|
elif cwi.ty == "group":
|
|
walk(cwi)
|
|
walk(self.table.invisibleRootItem())
|