Super fast switching, just hide loaded charts
parent
0627f7dcee
commit
1f9f2b873a
piker/ui
|
@ -24,13 +24,11 @@ from types import ModuleType
|
||||||
from functools import partial
|
from functools import partial
|
||||||
|
|
||||||
from PyQt5 import QtCore, QtGui
|
from PyQt5 import QtCore, QtGui
|
||||||
from PyQt5.QtCore import Qt
|
|
||||||
from PyQt5 import QtWidgets
|
from PyQt5 import QtWidgets
|
||||||
import numpy as np
|
import numpy as np
|
||||||
import pyqtgraph as pg
|
import pyqtgraph as pg
|
||||||
import tractor
|
import tractor
|
||||||
import trio
|
import trio
|
||||||
from trio_typing import TaskStatus
|
|
||||||
|
|
||||||
from ._axes import (
|
from ._axes import (
|
||||||
DynamicDateAxis,
|
DynamicDateAxis,
|
||||||
|
@ -241,15 +239,14 @@ class ChartSpace(QtGui.QWidget):
|
||||||
|
|
||||||
# switching to a new viewable chart
|
# switching to a new viewable chart
|
||||||
if not self.v_layout.isEmpty():
|
if not self.v_layout.isEmpty():
|
||||||
# and not (
|
|
||||||
# self.linkedcharts is linkedcharts
|
|
||||||
# ):
|
|
||||||
# XXX: this is CRITICAL especially with pixel buffer caching
|
# XXX: this is CRITICAL especially with pixel buffer caching
|
||||||
self.linkedcharts.hide()
|
self.linkedcharts.hide()
|
||||||
|
|
||||||
# remove any existing plots
|
# XXX: pretty sure we don't need this
|
||||||
self.v_layout.removeWidget(self.linkedcharts)
|
# remove any existing plots?
|
||||||
|
# self.v_layout.removeWidget(self.linkedcharts)
|
||||||
|
|
||||||
|
# switching to a new viewable chart
|
||||||
if linkedcharts is None or reset:
|
if linkedcharts is None or reset:
|
||||||
|
|
||||||
# we must load a fresh linked charts set
|
# we must load a fresh linked charts set
|
||||||
|
@ -262,24 +259,23 @@ class ChartSpace(QtGui.QWidget):
|
||||||
loglevel,
|
loglevel,
|
||||||
)
|
)
|
||||||
self.v_layout.addWidget(linkedcharts)
|
self.v_layout.addWidget(linkedcharts)
|
||||||
|
self._chart_cache[symbol_key] = linkedcharts
|
||||||
|
|
||||||
# if linkedcharts.chart:
|
|
||||||
# breakpoint()
|
|
||||||
|
|
||||||
# else:
|
|
||||||
# chart is already in memory so just focus it
|
# chart is already in memory so just focus it
|
||||||
if self.linkedcharts:
|
if self.linkedcharts:
|
||||||
self.linkedcharts.unfocus()
|
self.linkedcharts.unfocus()
|
||||||
|
|
||||||
# self.v_layout.addWidget(linkedcharts)
|
# self.v_layout.addWidget(linkedcharts)
|
||||||
self.linkedcharts = linkedcharts
|
linkedcharts.show()
|
||||||
linkedcharts.focus()
|
linkedcharts.focus()
|
||||||
|
self.linkedcharts = linkedcharts
|
||||||
|
|
||||||
# return linkedcharts
|
symbol = linkedcharts.symbol
|
||||||
|
if symbol is not None:
|
||||||
# TODO: add signalling painter system
|
self.window.setWindowTitle(
|
||||||
# def add_signals(self):
|
f'{symbol.key}@{symbol.brokers} '
|
||||||
# self.chart.add_signals()
|
f'tick:{symbol.tick_size}'
|
||||||
|
)
|
||||||
|
|
||||||
|
|
||||||
class LinkedSplitCharts(QtGui.QWidget):
|
class LinkedSplitCharts(QtGui.QWidget):
|
||||||
|
@ -352,7 +348,7 @@ class LinkedSplitCharts(QtGui.QWidget):
|
||||||
|
|
||||||
def focus(self) -> None:
|
def focus(self) -> None:
|
||||||
if self.chart is not None:
|
if self.chart is not None:
|
||||||
self.chart.setFocus()
|
self.chart.focus()
|
||||||
|
|
||||||
def unfocus(self) -> None:
|
def unfocus(self) -> None:
|
||||||
if self.chart is not None:
|
if self.chart is not None:
|
||||||
|
@ -573,6 +569,10 @@ class ChartPlotWidget(pg.PlotWidget):
|
||||||
# for when the splitter(s) are resized
|
# for when the splitter(s) are resized
|
||||||
self._vb.sigResized.connect(self._set_yrange)
|
self._vb.sigResized.connect(self._set_yrange)
|
||||||
|
|
||||||
|
def focus(self) -> None:
|
||||||
|
# self.setFocus()
|
||||||
|
self._vb.setFocus()
|
||||||
|
|
||||||
def last_bar_in_view(self) -> int:
|
def last_bar_in_view(self) -> int:
|
||||||
self._ohlc[-1]['index']
|
self._ohlc[-1]['index']
|
||||||
|
|
||||||
|
@ -1253,6 +1253,9 @@ async def spawn_fsps(
|
||||||
Pass target entrypoint and historical data.
|
Pass target entrypoint and historical data.
|
||||||
|
|
||||||
"""
|
"""
|
||||||
|
|
||||||
|
linked_charts.focus()
|
||||||
|
|
||||||
# spawns sub-processes which execute cpu bound FSP code
|
# spawns sub-processes which execute cpu bound FSP code
|
||||||
async with tractor.open_nursery(loglevel=loglevel) as n:
|
async with tractor.open_nursery(loglevel=loglevel) as n:
|
||||||
|
|
||||||
|
@ -1515,6 +1518,12 @@ async def chart_symbol(
|
||||||
sym: str,
|
sym: str,
|
||||||
loglevel: str,
|
loglevel: str,
|
||||||
) -> None:
|
) -> None:
|
||||||
|
"""Spawn a real-time chart widget for this symbol and app session.
|
||||||
|
|
||||||
|
These widgets can remain up but hidden so that multiple symbols
|
||||||
|
can be viewed and switched between extremely fast.
|
||||||
|
|
||||||
|
"""
|
||||||
# historical data fetch
|
# historical data fetch
|
||||||
brokermod = brokers.get_brokermod(brokername)
|
brokermod = brokers.get_brokermod(brokername)
|
||||||
|
|
||||||
|
@ -1533,12 +1542,12 @@ async def chart_symbol(
|
||||||
f'{symbol.key}@{symbol.brokers} '
|
f'{symbol.key}@{symbol.brokers} '
|
||||||
f'tick:{symbol.tick_size}'
|
f'tick:{symbol.tick_size}'
|
||||||
)
|
)
|
||||||
|
|
||||||
# await tractor.breakpoint()
|
# await tractor.breakpoint()
|
||||||
linked_charts = chart_app.linkedcharts
|
linked_charts = chart_app.linkedcharts
|
||||||
linked_charts._symbol = symbol
|
linked_charts._symbol = symbol
|
||||||
chart = linked_charts.plot_ohlc_main(symbol, bars)
|
chart = linked_charts.plot_ohlc_main(symbol, bars)
|
||||||
|
chart.setFocus()
|
||||||
linked_charts.focus()
|
|
||||||
|
|
||||||
# plot historical vwap if available
|
# plot historical vwap if available
|
||||||
wap_in_history = False
|
wap_in_history = False
|
||||||
|
@ -1611,9 +1620,6 @@ async def chart_symbol(
|
||||||
wap_in_history,
|
wap_in_history,
|
||||||
)
|
)
|
||||||
|
|
||||||
# await tractor.breakpoint()
|
|
||||||
# chart_app.linkedcharts.focus()
|
|
||||||
|
|
||||||
# wait for a first quote before we start any update tasks
|
# wait for a first quote before we start any update tasks
|
||||||
quote = await feed.receive()
|
quote = await feed.receive()
|
||||||
|
|
||||||
|
@ -1634,7 +1640,8 @@ async def chart_symbol(
|
||||||
# chart,
|
# chart,
|
||||||
# linked_charts,
|
# linked_charts,
|
||||||
# )
|
# )
|
||||||
chart_app.linkedcharts.focus()
|
# chart.focus()
|
||||||
|
|
||||||
await start_order_mode(chart, symbol, brokername)
|
await start_order_mode(chart, symbol, brokername)
|
||||||
|
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue