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artiq/artiq/gui/log.py

67 lines
2.1 KiB
Python

import asyncio
from quamash import QtGui, QtCore
from pyqtgraph import dockarea
from artiq.protocols.sync_struct import Subscriber
from artiq.gui.tools import ListSyncModel
class _LogModel(ListSyncModel):
def __init__(self, parent, init):
ListSyncModel.__init__(self,
["RID", "Message"],
parent, init)
self.fixed_font = QtGui.QFont()
self.fixed_font.setFamily("Monospace")
def data(self, index, role):
if (role == QtCore.Qt.FontRole and index.isValid()
and index.column() == 1):
return self.fixed_font
else:
return ListSyncModel.data(self, index, role)
def convert(self, v, column):
return v[column]
class LogDock(dockarea.Dock):
def __init__(self):
dockarea.Dock.__init__(self, "Log", size=(1000, 300))
self.log = QtGui.QTableView()
self.log.setSelectionMode(QtGui.QAbstractItemView.NoSelection)
self.log.horizontalHeader().setResizeMode(
QtGui.QHeaderView.ResizeToContents)
self.log.setHorizontalScrollMode(
QtGui.QAbstractItemView.ScrollPerPixel)
self.log.setShowGrid(False)
self.log.setTextElideMode(QtCore.Qt.ElideNone)
self.addWidget(self.log)
self.scroll_at_bottom = False
@asyncio.coroutine
def sub_connect(self, host, port):
self.subscriber = Subscriber("log", self.init_log_model)
yield from self.subscriber.connect(host, port)
@asyncio.coroutine
def sub_close(self):
yield from self.subscriber.close()
def rows_inserted_before(self):
scrollbar = self.log.verticalScrollBar()
self.scroll_at_bottom = scrollbar.value() == scrollbar.maximum()
def rows_inserted_after(self):
if self.scroll_at_bottom:
self.log.scrollToBottom()
def init_log_model(self, init):
table_model = _LogModel(self.log, init)
self.log.setModel(table_model)
table_model.rowsAboutToBeInserted.connect(self.rows_inserted_before)
table_model.rowsInserted.connect(self.rows_inserted_after)
return table_model