goodboy
GitHub
commit
e52ecbe589
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@ -52,7 +52,6 @@ from ._l1 import L1Labels
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from ._graphics._ohlc import BarItems
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from ._graphics._curve import FastAppendCurve
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from ._style import (
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_font,
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hcolor,
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CHART_MARGINS,
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_xaxis_at,
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@ -68,7 +67,7 @@ from ..data import maybe_open_shm_array
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from .. import brokers
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from .. import data
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from ..log import get_logger
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from ._exec import run_qtractor, current_screen
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from ._exec import run_qtractor
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from ._interaction import ChartView
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from .order_mode import start_order_mode
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from .. import fsp
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@ -79,10 +78,11 @@ log = get_logger(__name__)
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class ChartSpace(QtGui.QWidget):
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"""High level widget which contains layouts for organizing
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lower level charts as well as other widgets used to control
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or modify them.
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"""
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'''Highest level composed widget which contains layouts for
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organizing lower level charts as well as other widgets used to
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control or modify them.
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'''
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def __init__(self, parent=None):
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super().__init__(parent)
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@ -431,6 +431,8 @@ class ChartPlotWidget(pg.PlotWidget):
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_l1_labels: L1Labels = None
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mode_name: str = 'mode: view'
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# TODO: can take a ``background`` color setting - maybe there's
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# a better one?
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@ -1000,7 +1002,7 @@ async def test_bed(
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_clear_throttle_rate: int = 60 # Hz
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_book_throttle_rate: int = 20 # Hz
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_book_throttle_rate: int = 16 # Hz
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async def chart_from_quotes(
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@ -1078,7 +1080,14 @@ async def chart_from_quotes(
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tick_margin = 2 * tick_size
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last_ask = last_bid = last_clear = time.time()
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chart.show()
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async for quotes in stream:
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# chart isn't actively shown so just skip render cycle
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if chart._lc.isHidden():
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continue
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for sym, quote in quotes.items():
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now = time.time()
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@ -1291,6 +1300,9 @@ async def run_fsp(
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This is called once for each entry in the fsp
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config map.
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"""
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done = linked_charts.window().status_bar.open_status(
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f'loading FSP: {display_name}..')
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async with portal.open_stream_from(
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# subactor entrypoint
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@ -1384,13 +1396,20 @@ async def run_fsp(
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last = time.time()
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done()
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# update chart graphics
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async for value in stream:
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# chart isn't actively shown so just skip render cycle
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if chart._lc.isHidden():
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continue
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now = time.time()
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period = now - last
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# if period <= 1/30:
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if period <= 1/_clear_throttle_rate - 0.001:
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if period <= 1/_clear_throttle_rate:
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# faster then display refresh rate
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# print(f'quote too fast: {1/period}')
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continue
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@ -1479,7 +1498,7 @@ async def check_for_new_bars(feed, ohlcv, linked_charts):
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async def chart_symbol(
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chart_app: ChartSpace,
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brokername: str,
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provider: str,
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sym: str,
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loglevel: str,
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) -> None:
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@ -1489,11 +1508,14 @@ async def chart_symbol(
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can be viewed and switched between extremely fast.
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"""
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sbar = chart_app.window.status_bar
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loading_sym_done = sbar.open_status(f'loading {sym}.{provider}..')
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# historical data fetch
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brokermod = brokers.get_brokermod(brokername)
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brokermod = brokers.get_brokermod(provider)
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async with data.open_feed(
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brokername,
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provider,
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[sym],
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loglevel=loglevel,
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) as feed:
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@ -1526,6 +1548,8 @@ async def chart_symbol(
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add_label=False,
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)
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loading_sym_done()
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# size view to data once at outset
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chart._set_yrange()
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@ -1604,7 +1628,7 @@ async def chart_symbol(
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# linked_charts,
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# )
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await start_order_mode(chart, symbol, brokername)
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await start_order_mode(chart, symbol, provider)
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async def load_providers(
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@ -1621,7 +1645,7 @@ async def load_providers(
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# search engines.
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for broker in brokernames:
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log.info(f'Loading brokerd for {broker}')
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log.info(f'loading brokerd for {broker}..')
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# spin up broker daemons for each provider
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portal = await stack.enter_async_context(
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maybe_spawn_brokerd(
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@ -1645,7 +1669,7 @@ async def load_providers(
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async def _async_main(
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# implicit required argument provided by ``qtractor_run()``
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widgets: Dict[str, Any],
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main_widget: ChartSpace,
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sym: str,
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brokernames: str,
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@ -1659,10 +1683,10 @@ async def _async_main(
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"""
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chart_app = widgets['main']
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chart_app = main_widget
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# attempt to configure DPI aware font size
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screen = current_screen()
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screen = chart_app.window.current_screen()
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# configure graphics update throttling based on display refresh rate
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global _clear_throttle_rate
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@ -1672,8 +1696,11 @@ async def _async_main(
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)
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log.info(f'Set graphics update rate to {_clear_throttle_rate} Hz')
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# configure global DPI aware font size
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_font.configure_to_dpi(screen)
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# TODO: do styling / themeing setup
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# _style.style_ze_sheets(chart_app)
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sbar = chart_app.window.status_bar
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starting_done = sbar.open_status('starting ze chartz...')
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async with trio.open_nursery() as root_n:
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@ -1702,8 +1729,6 @@ async def _async_main(
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# this internally starts a ``chart_symbol()`` task above
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chart_app.load_symbol(provider, symbol, loglevel)
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root_n.start_soon(load_providers, brokernames, loglevel)
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# spin up a search engine for the local cached symbol set
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async with _search.register_symbol_search(
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@ -1712,8 +1737,14 @@ async def _async_main(
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_search.search_simple_dict,
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source=chart_app._chart_cache,
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),
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# cache is super fast so debounce on super short period
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pause_period=0.01,
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):
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# load other providers into search **after**
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# the chart's select cache
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root_n.start_soon(load_providers, brokernames, loglevel)
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# start handling search bar kb inputs
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async with open_key_stream(
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search.bar,
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@ -1727,6 +1758,7 @@ async def _async_main(
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key_stream,
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)
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starting_done()
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await trio.sleep_forever()
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@ -21,10 +21,7 @@ Run ``trio`` in guest mode on top of the Qt event loop.
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All global Qt runtime settings are mostly defined here.
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"""
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from typing import Tuple, Callable, Dict, Any
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import os
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import platform
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import signal
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import time
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import traceback
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# Qt specific
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@ -32,20 +29,22 @@ import PyQt5 # noqa
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import pyqtgraph as pg
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from pyqtgraph import QtGui
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from PyQt5 import QtCore
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# from PyQt5.QtGui import QLabel, QStatusBar
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from PyQt5.QtCore import (
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pyqtRemoveInputHook,
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Qt,
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QCoreApplication,
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)
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import qdarkstyle
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from qdarkstyle import DarkPalette
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# import qdarkgraystyle
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import trio
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import tractor
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from outcome import Error
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from .._daemon import maybe_open_pikerd, _tractor_kwargs
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from ..log import get_logger
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from ._pg_overrides import _do_overrides
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from . import _style
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log = get_logger(__name__)
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@ -59,37 +58,6 @@ pg.enableExperimental = True
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_do_overrides()
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# singleton app per actor
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_qt_app: QtGui.QApplication = None
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_qt_win: QtGui.QMainWindow = None
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def current_screen() -> QtGui.QScreen:
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"""Get a frickin screen (if we can, gawd).
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"""
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global _qt_win, _qt_app
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start = time.time()
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tries = 3
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for _ in range(3):
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screen = _qt_app.screenAt(_qt_win.pos())
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print(f'trying to get screen....')
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if screen is None:
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time.sleep(0.5)
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continue
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break
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else:
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if screen is None:
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# try for the first one we can find
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screen = _qt_app.screens()[0]
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assert screen, "Wow Qt is dumb as shit and has no screen..."
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return screen
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# XXX: pretty sure none of this shit works on linux as per:
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# https://bugreports.qt.io/browse/QTBUG-53022
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# it seems to work on windows.. no idea wtf is up.
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@ -104,33 +72,12 @@ if platform.system() == "Windows":
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QCoreApplication.setAttribute(Qt.AA_UseHighDpiPixmaps, True)
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class MainWindow(QtGui.QMainWindow):
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size = (800, 500)
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title = 'piker chart (ur symbol is loading bby)'
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def __init__(self, parent=None):
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super().__init__(parent)
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self.setMinimumSize(*self.size)
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self.setWindowTitle(self.title)
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def closeEvent(
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self,
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event: QtGui.QCloseEvent,
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) -> None:
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"""Cancel the root actor asap.
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"""
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# raising KBI seems to get intercepted by by Qt so just use the system.
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os.kill(os.getpid(), signal.SIGINT)
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def run_qtractor(
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func: Callable,
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args: Tuple,
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main_widget: QtGui.QWidget,
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tractor_kwargs: Dict[str, Any] = {},
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window_type: QtGui.QMainWindow = MainWindow,
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window_type: QtGui.QMainWindow = None,
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) -> None:
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# avoids annoying message when entering debugger from qt loop
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pyqtRemoveInputHook()
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@ -148,10 +95,6 @@ def run_qtractor(
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# XXX: lmfao, this is how you disable text edit cursor blinking..smh
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app.setCursorFlashTime(0)
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# set global app singleton
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global _qt_app
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_qt_app = app
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# This code is from Nathaniel, and I quote:
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# "This is substantially faster than using a signal... for some
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# reason Qt signal dispatch is really slow (and relies on events
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@ -188,19 +131,33 @@ def run_qtractor(
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app.quit()
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# load dark theme
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app.setStyleSheet(qdarkstyle.load_stylesheet(qt_api='pyqt5'))
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stylesheet = qdarkstyle.load_stylesheet(
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qt_api='pyqt5',
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palette=DarkPalette,
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)
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app.setStyleSheet(stylesheet)
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# make window and exec
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from . import _window
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if window_type is None:
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window_type = _window.MainWindow
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window = window_type()
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# set global app's main window singleton
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_window._qt_win = window
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# configure global DPI aware font sizes now that a screen
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# should be active from which we can read a DPI.
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_style._config_fonts_to_screen()
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# hook into app focus change events
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app.focusChanged.connect(window.on_focus_change)
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instance = main_widget()
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instance.window = window
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widgets = {
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'window': window,
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'main': instance,
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}
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# override tractor's defaults
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tractor_kwargs.update(_tractor_kwargs)
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@ -210,7 +167,7 @@ def run_qtractor(
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async with maybe_open_pikerd(
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**tractor_kwargs,
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):
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await func(*((widgets,) + args))
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await func(*((instance,) + args))
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# guest mode entry
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trio.lowlevel.start_guest_run(
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@ -223,11 +180,6 @@ def run_qtractor(
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window.main_widget = main_widget
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window.setCentralWidget(instance)
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# store global ref
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# set global app singleton
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global _qt_win
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_qt_win = window
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# actually render to screen
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window.show()
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app.exec_()
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@ -31,6 +31,7 @@ from .._style import (
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_xaxis_at,
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hcolor,
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_font,
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_font_small,
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)
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from .._axes import YAxisLabel, XAxisLabel
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from ...log import get_logger
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@ -109,7 +110,7 @@ class LineDot(pg.CurvePoint):
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return False
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# TODO: change this into our own ``Label``
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# TODO: change this into our own ``_label.Label``
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class ContentsLabel(pg.LabelItem):
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"""Label anchored to a ``ViewBox`` typically for displaying
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datum-wise points from the "viewed" contents.
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@ -138,22 +139,14 @@ class ContentsLabel(pg.LabelItem):
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justify_text: str = 'left',
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font_size: Optional[int] = None,
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) -> None:
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font_size = font_size or _font.font.pixelSize()
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font_size = font_size or _font_small.px_size
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super().__init__(
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justify=justify_text,
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size=f'{str(font_size)}px'
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)
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if _font._physical_dpi >= 97:
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# ad-hoc scale it based on boundingRect
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# TODO: need proper fix for this?
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typical_br = _font._qfm.boundingRect('Qyp')
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anchor_font_size = math.ceil(typical_br.height() * 1.25)
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else:
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anchor_font_size = font_size
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# anchor to viewbox
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self.setParentItem(chart._vb)
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chart.scene().addItem(self)
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@ -165,7 +158,7 @@ class ContentsLabel(pg.LabelItem):
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ydim = margins[1]
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if inspect.isfunction(margins[1]):
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margins = margins[0], ydim(anchor_font_size)
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margins = margins[0], ydim(font_size)
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self.anchor(itemPos=index, parentPos=index, offset=margins)
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|
|
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@ -467,6 +467,9 @@ class ChartView(ViewBox):
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- zoom on right-click-n-drag to cursor position
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"""
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mode_name: str = 'mode: view'
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||||
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def __init__(
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self,
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parent: pg.PlotItem = None,
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|
|
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|||
|
|
@ -96,6 +96,8 @@ class SimpleDelegate(QStyledItemDelegate):
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class CompleterView(QTreeView):
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mode_name: str = 'mode: search-nav'
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# XXX: relevant docs links:
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# - simple widget version of this:
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# https://doc.qt.io/qt-5/qtreewidget.html#details
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|
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@ -153,13 +155,14 @@ class CompleterView(QTreeView):
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self._font_size: int = 0 # pixels
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def on_pressed(self, idx: QModelIndex) -> None:
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'''Mouse pressed on view handler.
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|
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'''
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search = self.parent()
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search.chart_current_item(clear_to_cache=False)
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search.focus()
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def set_font_size(self, size: int = 18):
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# dpi_px_size = _font.px_size
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# print(size)
|
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if size < 0:
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size = 16
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|
|
@ -424,6 +427,8 @@ class CompleterView(QTreeView):
|
|||
|
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class SearchBar(QtWidgets.QLineEdit):
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|
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mode_name: str = 'mode: search'
|
||||
|
||||
def __init__(
|
||||
|
||||
self,
|
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|
|
@ -487,6 +492,8 @@ class SearchWidget(QtGui.QWidget):
|
|||
Includes helper methods for item management in the sub-widgets.
|
||||
|
||||
'''
|
||||
mode_name: str = 'mode: search'
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
chart_space: 'ChartSpace', # type: ignore # noqa
|
||||
|
|
@ -499,7 +506,7 @@ class SearchWidget(QtGui.QWidget):
|
|||
# size it as we specify
|
||||
self.setSizePolicy(
|
||||
QtWidgets.QSizePolicy.Fixed,
|
||||
QtWidgets.QSizePolicy.Expanding,
|
||||
QtWidgets.QSizePolicy.Fixed,
|
||||
)
|
||||
|
||||
self.chart_app = chart_space
|
||||
|
|
@ -618,13 +625,15 @@ class SearchWidget(QtGui.QWidget):
|
|||
# making?)
|
||||
fqsn = '.'.join([symbol, provider]).lower()
|
||||
|
||||
# Re-order the symbol cache on the chart to display in
|
||||
# LIFO order. this is normally only done internally by
|
||||
# the chart on new symbols being loaded into memory
|
||||
chart.set_chart_symbol(fqsn, chart.linkedcharts)
|
||||
|
||||
if clear_to_cache:
|
||||
|
||||
self.bar.clear()
|
||||
|
||||
# Re-order the symbol cache on the chart to display in
|
||||
# LIFO order. this is normally only done internally by
|
||||
# the chart on new symbols being loaded into memory
|
||||
chart.set_chart_symbol(fqsn, chart.linkedcharts)
|
||||
|
||||
self.view.set_section_entries(
|
||||
'cache',
|
||||
values=list(reversed(chart._chart_cache)),
|
||||
|
|
@ -692,8 +701,10 @@ async def fill_results(
|
|||
recv_chan: trio.abc.ReceiveChannel,
|
||||
|
||||
# kb debouncing pauses (bracket defaults)
|
||||
min_pause_time: float = 0.1,
|
||||
max_pause_time: float = 6/16,
|
||||
min_pause_time: float = 0.01, # absolute min typing throttle
|
||||
|
||||
# max pause required before slow relay
|
||||
max_pause_time: float = 6/16 + 0.001,
|
||||
|
||||
) -> None:
|
||||
"""Task to search through providers and fill in possible
|
||||
|
|
@ -742,11 +753,6 @@ async def fill_results(
|
|||
_search_active = trio.Event()
|
||||
break
|
||||
|
||||
if repeats > 2 and period >= max_pause_time:
|
||||
_search_active = trio.Event()
|
||||
repeats = 0
|
||||
break
|
||||
|
||||
if text == last_text:
|
||||
repeats += 1
|
||||
|
||||
|
|
@ -754,9 +760,8 @@ async def fill_results(
|
|||
# print('search currently disabled')
|
||||
break
|
||||
|
||||
log.debug(f'Search req for {text}')
|
||||
|
||||
already_has_results = has_results[text]
|
||||
log.debug(f'Search req for {text}')
|
||||
|
||||
# issue multi-provider fan-out search request and place
|
||||
# "searching.." statuses on outstanding results providers
|
||||
|
|
@ -765,16 +770,22 @@ async def fill_results(
|
|||
for provider, (search, pause) in (
|
||||
_searcher_cache.copy().items()
|
||||
):
|
||||
|
||||
if provider != 'cache':
|
||||
view.clear_section(
|
||||
provider, status_field='-> searchin..')
|
||||
|
||||
# only conduct search on this backend if it's
|
||||
# registered for the corresponding pause period.
|
||||
# XXX: only conduct search on this backend if it's
|
||||
# registered for the corresponding pause period AND
|
||||
# it hasn't already been searched with the current
|
||||
# input pattern (in which case just look up the old
|
||||
# results).
|
||||
if (period >= pause) and (
|
||||
provider not in already_has_results
|
||||
):
|
||||
|
||||
# TODO: it may make more sense TO NOT search the
|
||||
# cache in a bg task since we know it's fully
|
||||
# cpu-bound.
|
||||
if provider != 'cache':
|
||||
view.clear_section(
|
||||
provider, status_field='-> searchin..')
|
||||
|
||||
await n.start(
|
||||
pack_matches,
|
||||
view,
|
||||
|
|
@ -786,6 +797,14 @@ async def fill_results(
|
|||
)
|
||||
else: # already has results for this input text
|
||||
results = matches[(provider, text)]
|
||||
|
||||
# TODO really for the cache we need an
|
||||
# invalidation signal so that we only re-search
|
||||
# the cache once it's been mutated by the chart
|
||||
# switcher.. right now we're just always
|
||||
# re-searching it's ``dict`` since it's easier
|
||||
# but it also causes it to be slower then cached
|
||||
# results from other providers on occasion.
|
||||
if results and provider != 'cache':
|
||||
view.set_section_entries(
|
||||
section=provider,
|
||||
|
|
@ -794,6 +813,11 @@ async def fill_results(
|
|||
else:
|
||||
view.clear_section(provider)
|
||||
|
||||
if repeats > 2 and period > max_pause_time:
|
||||
_search_active = trio.Event()
|
||||
repeats = 0
|
||||
break
|
||||
|
||||
bar.show()
|
||||
|
||||
|
||||
|
|
@ -952,7 +976,7 @@ async def register_symbol_search(
|
|||
|
||||
global _searcher_cache
|
||||
|
||||
pause_period = pause_period or 0.125
|
||||
pause_period = pause_period or 0.1
|
||||
|
||||
# deliver search func to consumer
|
||||
try:
|
||||
|
|
|
|||
|
|
@ -22,18 +22,19 @@ import math
|
|||
|
||||
import pyqtgraph as pg
|
||||
from PyQt5 import QtCore, QtGui
|
||||
from qdarkstyle.palette import DarkPalette
|
||||
from qdarkstyle import DarkPalette
|
||||
|
||||
from ..log import get_logger
|
||||
from ._exec import current_screen
|
||||
|
||||
log = get_logger(__name__)
|
||||
|
||||
_magic_inches = 0.0666 * (1 + 6/16)
|
||||
|
||||
# chart-wide fonts specified in inches
|
||||
_font_sizes: Dict[str, Dict[str, float]] = {
|
||||
'hi': {
|
||||
'default': 0.0616,
|
||||
'small': 0.055,
|
||||
'default': _magic_inches,
|
||||
'small': 0.9 * _magic_inches,
|
||||
},
|
||||
'lo': {
|
||||
'default': 6.5 / 64,
|
||||
|
|
@ -43,6 +44,7 @@ _font_sizes: Dict[str, Dict[str, float]] = {
|
|||
|
||||
|
||||
class DpiAwareFont:
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
# TODO: move to config
|
||||
|
|
@ -52,10 +54,10 @@ class DpiAwareFont:
|
|||
) -> None:
|
||||
self.name = name
|
||||
self._qfont = QtGui.QFont(name)
|
||||
# self._iwl = size_in_inches or _default_font_inches_we_like
|
||||
self._font_size: str = font_size
|
||||
self._qfm = QtGui.QFontMetrics(self._qfont)
|
||||
self._physical_dpi = None
|
||||
self._font_inches: float = None
|
||||
self._screen = None
|
||||
|
||||
def _set_qfont_px_size(self, px_size: int) -> None:
|
||||
|
|
@ -64,13 +66,15 @@ class DpiAwareFont:
|
|||
|
||||
@property
|
||||
def screen(self) -> QtGui.QScreen:
|
||||
from ._window import main_window
|
||||
|
||||
if self._screen is not None:
|
||||
try:
|
||||
self._screen.refreshRate()
|
||||
except RuntimeError:
|
||||
self._screen = current_screen()
|
||||
self._screen = main_window().current_screen()
|
||||
else:
|
||||
self._screen = current_screen()
|
||||
self._screen = main_window().current_screen()
|
||||
|
||||
return self._screen
|
||||
|
||||
|
|
@ -95,22 +99,34 @@ class DpiAwareFont:
|
|||
# take the max since scaling can make things ugly in some cases
|
||||
pdpi = screen.physicalDotsPerInch()
|
||||
ldpi = screen.logicalDotsPerInch()
|
||||
dpi = max(pdpi, ldpi)
|
||||
mx_dpi = max(pdpi, ldpi)
|
||||
mn_dpi = min(pdpi, ldpi)
|
||||
scale = round(ldpi/pdpi)
|
||||
|
||||
# for low dpi scale everything down
|
||||
if dpi <= 97:
|
||||
if mx_dpi <= 97: # for low dpi use larger font sizes
|
||||
inches = _font_sizes['lo'][self._font_size]
|
||||
else:
|
||||
|
||||
else: # hidpi use smaller font sizes
|
||||
inches = _font_sizes['hi'][self._font_size]
|
||||
|
||||
dpi = mn_dpi
|
||||
|
||||
# dpi is likely somewhat scaled down so use slightly larger font size
|
||||
if scale > 1 and self._font_size:
|
||||
# TODO: this denominator should probably be determined from
|
||||
# relative aspect rations or something?
|
||||
inches = inches * (1 / scale) * (1 + 6/16)
|
||||
dpi = mx_dpi
|
||||
|
||||
self._font_inches = inches
|
||||
|
||||
font_size = math.floor(inches * dpi)
|
||||
log.info(
|
||||
f"\nscreen:{screen.name()} with DPI: {dpi}"
|
||||
f"\nbest font size is {font_size}\n"
|
||||
f"\nscreen:{screen.name()} with pDPI: {pdpi}, lDPI: {ldpi}"
|
||||
f"\nOur best guess font size is {font_size}\n"
|
||||
)
|
||||
|
||||
# apply the size
|
||||
self._set_qfont_px_size(font_size)
|
||||
self._physical_dpi = dpi
|
||||
|
||||
def boundingRect(self, value: str) -> QtCore.QRectF:
|
||||
|
||||
|
|
@ -130,12 +146,20 @@ class DpiAwareFont:
|
|||
|
||||
# use inches size to be cross-resolution compatible?
|
||||
_font = DpiAwareFont()
|
||||
_font_small = DpiAwareFont(font_size='small')
|
||||
|
||||
|
||||
def _config_fonts_to_screen() -> None:
|
||||
'configure global DPI aware font sizes'
|
||||
|
||||
global _font, _font_small
|
||||
_font.configure_to_dpi()
|
||||
_font_small.configure_to_dpi()
|
||||
|
||||
|
||||
# TODO: re-compute font size when main widget switches screens?
|
||||
# https://forum.qt.io/topic/54136/how-do-i-get-the-qscreen-my-widget-is-on-qapplication-desktop-screen-returns-a-qwidget-and-qobject_cast-qscreen-returns-null/3
|
||||
|
||||
# _i3_rgba = QtGui.QColor.fromRgbF(*[0.14]*3 + [1])
|
||||
|
||||
# splitter widget config
|
||||
_xaxis_at = 'bottom'
|
||||
|
||||
|
|
@ -175,6 +199,7 @@ def hcolor(name: str) -> str:
|
|||
'gray': '#808080', # like the kick
|
||||
'grayer': '#4c4c4c',
|
||||
'grayest': '#3f3f3f',
|
||||
'i3': '#494D4F',
|
||||
'jet': '#343434',
|
||||
'cadet': '#91A3B0',
|
||||
'marengo': '#91A3B0',
|
||||
|
|
@ -185,9 +210,13 @@ def hcolor(name: str) -> str:
|
|||
'bracket': '#666666', # like the logo
|
||||
'original': '#a9a9a9',
|
||||
|
||||
# palette
|
||||
'default': DarkPalette.COLOR_BACKGROUND_NORMAL,
|
||||
'default_light': DarkPalette.COLOR_BACKGROUND_LIGHT,
|
||||
# from ``qdarkstyle`` palette
|
||||
'default_darkest': DarkPalette.COLOR_BACKGROUND_1,
|
||||
'default_dark': DarkPalette.COLOR_BACKGROUND_2,
|
||||
'default': DarkPalette.COLOR_BACKGROUND_3,
|
||||
'default_light': DarkPalette.COLOR_BACKGROUND_4,
|
||||
'default_lightest': DarkPalette.COLOR_BACKGROUND_5,
|
||||
'default_spotlight': DarkPalette.COLOR_BACKGROUND_6,
|
||||
|
||||
'white': '#ffffff', # for tinas and sunbathers
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,180 @@
|
|||
# piker: trading gear for hackers
|
||||
# Copyright (C) Tyler Goodlet (in stewardship for piker0)
|
||||
|
||||
# This program is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Affero General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU Affero General Public License for more details.
|
||||
|
||||
# You should have received a copy of the GNU Affero General Public License
|
||||
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
"""
|
||||
Qt main window singletons and stuff.
|
||||
|
||||
"""
|
||||
import os
|
||||
import signal
|
||||
import time
|
||||
from typing import Callable
|
||||
|
||||
from pyqtgraph import QtGui
|
||||
from PyQt5 import QtCore
|
||||
from PyQt5.QtGui import QLabel, QStatusBar
|
||||
|
||||
from ..log import get_logger
|
||||
from ._style import _font_small, hcolor
|
||||
|
||||
|
||||
log = get_logger(__name__)
|
||||
|
||||
|
||||
class MultiStatus:
|
||||
|
||||
bar: QStatusBar
|
||||
statuses: list[str]
|
||||
|
||||
def __init__(self, bar, statuses) -> None:
|
||||
self.bar = bar
|
||||
self.statuses = statuses
|
||||
|
||||
def open_status(
|
||||
self,
|
||||
msg: str,
|
||||
) -> Callable[..., None]:
|
||||
'''Add a status to the status bar and return a close callback which
|
||||
when called will remove the status ``msg``.
|
||||
|
||||
'''
|
||||
self.statuses.append(msg)
|
||||
|
||||
def remove_msg() -> None:
|
||||
self.statuses.remove(msg)
|
||||
self.render()
|
||||
|
||||
self.render()
|
||||
return remove_msg
|
||||
|
||||
def render(self) -> None:
|
||||
if self.statuses:
|
||||
self.bar.showMessage(f'{" ".join(self.statuses)}')
|
||||
else:
|
||||
self.bar.clearMessage()
|
||||
|
||||
|
||||
class MainWindow(QtGui.QMainWindow):
|
||||
|
||||
size = (800, 500)
|
||||
title = 'piker chart (ur symbol is loading bby)'
|
||||
|
||||
def __init__(self, parent=None):
|
||||
super().__init__(parent)
|
||||
self.setMinimumSize(*self.size)
|
||||
self.setWindowTitle(self.title)
|
||||
|
||||
self._status_bar: QStatusBar = None
|
||||
self._status_label: QLabel = None
|
||||
|
||||
@property
|
||||
def mode_label(self) -> QtGui.QLabel:
|
||||
|
||||
# init mode label
|
||||
if not self._status_label:
|
||||
|
||||
self._status_label = label = QtGui.QLabel()
|
||||
label.setStyleSheet(
|
||||
f"QLabel {{ color : {hcolor('gunmetal')}; }}"
|
||||
)
|
||||
label.setTextFormat(3) # markdown
|
||||
label.setFont(_font_small.font)
|
||||
label.setMargin(2)
|
||||
label.setAlignment(
|
||||
QtCore.Qt.AlignVCenter
|
||||
| QtCore.Qt.AlignRight
|
||||
)
|
||||
self.statusBar().addPermanentWidget(label)
|
||||
label.show()
|
||||
|
||||
return self._status_label
|
||||
|
||||
def closeEvent(
|
||||
self,
|
||||
event: QtGui.QCloseEvent,
|
||||
) -> None:
|
||||
"""Cancel the root actor asap.
|
||||
|
||||
"""
|
||||
# raising KBI seems to get intercepted by by Qt so just use the system.
|
||||
os.kill(os.getpid(), signal.SIGINT)
|
||||
|
||||
@property
|
||||
def status_bar(self) -> QStatusBar:
|
||||
|
||||
# style and cached the status bar on first access
|
||||
if not self._status_bar:
|
||||
|
||||
sb = self.statusBar()
|
||||
sb.setStyleSheet((
|
||||
f"color : {hcolor('gunmetal')};"
|
||||
f"background : {hcolor('default_dark')};"
|
||||
f"font-size : {_font_small.px_size}px;"
|
||||
"padding : 0px;"
|
||||
# "min-height : 19px;"
|
||||
# "qproperty-alignment: AlignVCenter;"
|
||||
))
|
||||
self.setStatusBar(sb)
|
||||
self._status_bar = MultiStatus(sb, [])
|
||||
|
||||
return self._status_bar
|
||||
|
||||
def on_focus_change(
|
||||
self,
|
||||
old: QtGui.QWidget,
|
||||
new: QtGui.QWidget,
|
||||
) -> None:
|
||||
|
||||
log.debug(f'widget focus changed from {old} -> {new}')
|
||||
|
||||
if new is not None:
|
||||
# cursor left window?
|
||||
name = getattr(new, 'mode_name', '')
|
||||
self.mode_label.setText(name)
|
||||
|
||||
def current_screen(self) -> QtGui.QScreen:
|
||||
"""Get a frickin screen (if we can, gawd).
|
||||
|
||||
"""
|
||||
app = QtGui.QApplication.instance()
|
||||
|
||||
for _ in range(3):
|
||||
screen = app.screenAt(self.pos())
|
||||
print('trying to access QScreen...')
|
||||
if screen is None:
|
||||
time.sleep(0.5)
|
||||
continue
|
||||
|
||||
break
|
||||
else:
|
||||
if screen is None:
|
||||
# try for the first one we can find
|
||||
screen = app.screens()[0]
|
||||
|
||||
assert screen, "Wow Qt is dumb as shit and has no screen..."
|
||||
return screen
|
||||
|
||||
|
||||
# singleton app per actor
|
||||
_qt_win: QtGui.QMainWindow = None
|
||||
|
||||
|
||||
def main_window() -> MainWindow:
|
||||
'Return the actor-global Qt window.'
|
||||
|
||||
global _qt_win
|
||||
assert _qt_win
|
||||
return _qt_win
|
||||
|
|
@ -309,7 +309,15 @@ async def start_order_mode(
|
|||
chart: 'ChartPlotWidget', # noqa
|
||||
symbol: Symbol,
|
||||
brokername: str,
|
||||
|
||||
) -> None:
|
||||
'''Activate chart-trader order mode loop:
|
||||
- connect to emsd
|
||||
- load existing positions
|
||||
- begin order handling loop
|
||||
|
||||
'''
|
||||
done = chart.window().status_bar.open_status('Starting order mode...')
|
||||
|
||||
# spawn EMS actor-service
|
||||
async with (
|
||||
|
|
@ -335,6 +343,7 @@ async def start_order_mode(
|
|||
return ohlc['index'][-1]
|
||||
|
||||
# Begin order-response streaming
|
||||
done()
|
||||
|
||||
# this is where we receive **back** messages
|
||||
# about executions **from** the EMS actor
|
||||
|
|
|
|||
11
setup.py
11
setup.py
|
|
@ -70,17 +70,12 @@ setup(
|
|||
# UI
|
||||
'PyQt5',
|
||||
'pyqtgraph',
|
||||
'qdarkstyle==2.8.1',
|
||||
#'kivy', see requirement.txt; using a custom branch atm
|
||||
|
||||
# tsdbs
|
||||
'pymarketstore',
|
||||
|
||||
#'kivy', see requirement.txt; using a custom branch atm
|
||||
|
||||
'qdarkstyle >= 3.0.2',
|
||||
# fuzzy search
|
||||
'fuzzywuzzy[speedup]',
|
||||
|
||||
# tsdbs
|
||||
'pymarketstore',
|
||||
],
|
||||
tests_require=['pytest'],
|
||||
python_requires=">=3.9", # literally for ``datetime.datetime.fromisoformat``...
|
||||
|
|
|
|||
Loading…
Reference in New Issue