goodboy
GitHub
commit
242d02b1cd
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@ -25,6 +25,9 @@ from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import (
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QFrame,
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QWidget,
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QHBoxLayout,
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QVBoxLayout,
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QSplitter,
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# QSizePolicy,
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)
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import numpy as np
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@ -53,6 +56,7 @@ from ._style import (
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)
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from ..data.feed import Feed
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from ..data._source import Symbol
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from ..data._sharedmem import ShmArray
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from ..log import get_logger
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from ._interaction import ChartView
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from ._forms import FieldsForm
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@ -64,11 +68,11 @@ log = get_logger(__name__)
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class GodWidget(QWidget):
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'''
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"Our lord and savior, the holy child of window-shua, there is no
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widget above thee." - 6|6
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widget above thee." - 6||6
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The 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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organizing charts as well as other sub-widgets used to control or
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modify them.
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'''
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def __init__(
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@ -80,19 +84,19 @@ class GodWidget(QWidget):
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super().__init__(parent)
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self.hbox = QtWidgets.QHBoxLayout(self)
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self.hbox = QHBoxLayout(self)
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self.hbox.setContentsMargins(0, 0, 0, 0)
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self.hbox.setSpacing(6)
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self.hbox.setAlignment(Qt.AlignTop)
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self.vbox = QtWidgets.QVBoxLayout()
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self.vbox = QVBoxLayout()
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self.vbox.setContentsMargins(0, 0, 0, 0)
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self.vbox.setSpacing(2)
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self.vbox.setAlignment(Qt.AlignTop)
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self.hbox.addLayout(self.vbox)
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# self.toolbar_layout = QtWidgets.QHBoxLayout()
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# self.toolbar_layout = QHBoxLayout()
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# self.toolbar_layout.setContentsMargins(0, 0, 0, 0)
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# self.vbox.addLayout(self.toolbar_layout)
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@ -106,25 +110,8 @@ class GodWidget(QWidget):
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# assigned in the startup func `_async_main()`
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self._root_n: trio.Nursery = None
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def set_chart_symbol(
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self,
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symbol_key: str, # of form <fqsn>.<providername>
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linkedsplits: 'LinkedSplits', # type: ignore
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) -> None:
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# re-sort org cache symbol list in LIFO order
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cache = self._chart_cache
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cache.pop(symbol_key, None)
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cache[symbol_key] = linkedsplits
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def get_chart_symbol(
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self,
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symbol_key: str,
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) -> 'LinkedSplits': # type: ignore
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return self._chart_cache.get(symbol_key)
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# def init_timeframes_ui(self):
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# self.tf_layout = QtWidgets.QHBoxLayout()
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# self.tf_layout = QHBoxLayout()
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# self.tf_layout.setSpacing(0)
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# self.tf_layout.setContentsMargins(0, 12, 0, 0)
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# time_frames = ('1M', '5M', '15M', '30M', '1H', '1D', '1W', 'MN')
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@ -145,6 +132,23 @@ class GodWidget(QWidget):
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# self.strategy_box = StrategyBoxWidget(self)
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# self.toolbar_layout.addWidget(self.strategy_box)
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def set_chart_symbol(
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self,
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symbol_key: str, # of form <fqsn>.<providername>
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linkedsplits: 'LinkedSplits', # type: ignore
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) -> None:
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# re-sort org cache symbol list in LIFO order
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cache = self._chart_cache
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cache.pop(symbol_key, None)
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cache[symbol_key] = linkedsplits
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def get_chart_symbol(
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self,
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symbol_key: str,
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) -> 'LinkedSplits': # type: ignore
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return self._chart_cache.get(symbol_key)
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async def load_symbol(
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self,
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@ -255,7 +259,7 @@ class ChartnPane(QFrame):
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'''
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sidepane: FieldsForm
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hbox: QtWidgets.QHBoxLayout
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hbox: QHBoxLayout
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chart: Optional['ChartPlotWidget'] = None
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def __init__(
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@ -271,7 +275,7 @@ class ChartnPane(QFrame):
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self.sidepane = sidepane
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self.chart = None
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hbox = self.hbox = QtWidgets.QHBoxLayout(self)
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hbox = self.hbox = QHBoxLayout(self)
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hbox.setAlignment(Qt.AlignTop | Qt.AlignLeft)
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hbox.setContentsMargins(0, 0, 0, 0)
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hbox.setSpacing(3)
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@ -281,21 +285,14 @@ class ChartnPane(QFrame):
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class LinkedSplits(QWidget):
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'''
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Widget that holds a central chart plus derived
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subcharts computed from the original data set apart
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by splitters for resizing.
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Composite that holds a central chart plus a set of (derived)
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subcharts (usually computed from the original data) arranged in
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a splitter for resizing.
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A single internal references to the data is maintained
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for each chart and can be updated externally.
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'''
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long_pen = pg.mkPen('#006000')
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long_brush = pg.mkBrush('#00ff00')
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short_pen = pg.mkPen('#600000')
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short_brush = pg.mkBrush('#ff0000')
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zoomIsDisabled = QtCore.pyqtSignal(bool)
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def __init__(
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self,
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@ -325,11 +322,11 @@ class LinkedSplits(QWidget):
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# self.xaxis_ind.setStyle(showValues=False)
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# self.xaxis.hide()
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self.splitter = QtWidgets.QSplitter(QtCore.Qt.Vertical)
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self.splitter.setMidLineWidth(1)
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self.splitter.setHandleWidth(0)
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self.splitter = QSplitter(QtCore.Qt.Vertical)
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self.splitter.setMidLineWidth(0)
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self.splitter.setHandleWidth(2)
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self.layout = QtWidgets.QVBoxLayout(self)
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self.layout = QVBoxLayout(self)
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self.layout.setContentsMargins(0, 0, 0, 0)
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self.layout.addWidget(self.splitter)
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@ -341,20 +338,28 @@ class LinkedSplits(QWidget):
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def set_split_sizes(
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self,
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# prop: float = 0.375, # proportion allocated to consumer subcharts
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prop: float = 5/8,
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prop: Optional[float] = None,
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) -> None:
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'''Set the proportion of space allocated for linked subcharts.
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'''
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ln = len(self.subplots)
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if not prop:
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# proportion allocated to consumer subcharts
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if ln < 2:
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prop = 1/(.666 * 6)
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elif ln >= 2:
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prop = 3/8
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major = 1 - prop
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min_h_ind = int((self.height() * prop) / len(self.subplots))
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min_h_ind = int((self.height() * prop) / ln)
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sizes = [int(self.height() * major)]
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sizes.extend([min_h_ind] * len(self.subplots))
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sizes.extend([min_h_ind] * ln)
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self.splitter.setSizes(sizes) # , int(self.height()*0.2)
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self.splitter.setSizes(sizes)
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def focus(self) -> None:
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if self.chart is not None:
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@ -495,8 +500,9 @@ class LinkedSplits(QWidget):
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cpw.plotItem.vb.linkedsplits = self
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cpw.setFrameStyle(
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QtWidgets.QFrame.StyledPanel
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# | QtWidgets.QFrame.Plain)
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# | QtWidgets.QFrame.Plain
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)
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cpw.hideButtons()
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# XXX: gives us outline on backside of y-axis
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@ -515,7 +521,22 @@ class LinkedSplits(QWidget):
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cpw.draw_ohlc(name, array, array_key=array_key)
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elif style == 'line':
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cpw.draw_curve(name, array, array_key=array_key)
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cpw.draw_curve(
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name,
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array,
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array_key=array_key,
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color='default_light',
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)
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elif style == 'step':
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cpw.draw_curve(
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name,
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array,
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array_key=array_key,
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step_mode=True,
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color='davies',
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fill_color='davies',
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)
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else:
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raise ValueError(f"Chart style {style} is currently unsupported")
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@ -523,14 +544,7 @@ class LinkedSplits(QWidget):
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if not _is_main:
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# track by name
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self.subplots[name] = cpw
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# if sidepane:
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# # TODO: use a "panes" collection to manage this?
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# qframe.setMaximumWidth(self.chart.sidepane.width())
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# qframe.setMinimumWidth(self.chart.sidepane.width())
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self.splitter.addWidget(qframe)
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# scale split regions
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self.set_split_sizes()
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@ -600,7 +614,7 @@ class ChartPlotWidget(pg.PlotWidget):
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# parent=None,
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# plotItem=None,
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# antialias=True,
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useOpenGL=True,
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# useOpenGL=True,
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**kwargs
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)
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self.name = name
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@ -619,7 +633,8 @@ class ChartPlotWidget(pg.PlotWidget):
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'ohlc': array,
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}
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self._graphics = {} # registry of underlying graphics
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self._overlays = set() # registry of overlay curve names
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# registry of overlay curve names
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self._overlays: dict[str, ShmArray] = {}
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self._feeds: dict[Symbol, Feed] = {}
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@ -732,6 +747,7 @@ class ChartPlotWidget(pg.PlotWidget):
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self._vb.setXRange(
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min=l + 1,
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max=r + 1,
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# TODO: holy shit, wtf dude... why tf would this not be 0 by
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# default... speechless.
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padding=0,
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@ -772,7 +788,7 @@ class ChartPlotWidget(pg.PlotWidget):
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update_func=ContentsLabel.update_from_ohlc,
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)
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self._add_sticky(name)
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self._add_sticky(name, bg_color='davies')
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return graphics
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@ -784,7 +800,7 @@ class ChartPlotWidget(pg.PlotWidget):
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array_key: Optional[str] = None,
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overlay: bool = False,
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color: str = 'default_light',
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color: Optional[str] = None,
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add_label: bool = True,
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**pdi_kwargs,
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@ -794,15 +810,18 @@ class ChartPlotWidget(pg.PlotWidget):
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the input array ``data``.
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"""
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_pdi_defaults = {
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'pen': pg.mkPen(hcolor(color)),
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}
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pdi_kwargs.update(_pdi_defaults)
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color = color or self.pen_color or 'default_light'
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pdi_kwargs.update({
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'color': color
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})
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data_key = array_key or name
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# pg internals for reference.
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# curve = pg.PlotDataItem(
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# curve = pg.PlotCurveItem(
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# yah, we wrote our own B)
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curve = FastAppendCurve(
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y=data[data_key],
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x=data['index'],
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@ -840,14 +859,14 @@ class ChartPlotWidget(pg.PlotWidget):
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if overlay:
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anchor_at = ('bottom', 'left')
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self._overlays.add(name)
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self._overlays[name] = None
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else:
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anchor_at = ('top', 'left')
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# TODO: something instead of stickies for overlays
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# (we need something that avoids clutter on x-axis).
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self._add_sticky(name, bg_color='default_light')
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self._add_sticky(name, bg_color=color)
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if self.linked.cursor:
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self.linked.cursor.add_curve_cursor(self, curve)
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@ -861,6 +880,7 @@ class ChartPlotWidget(pg.PlotWidget):
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return curve
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# TODO: make this a ctx mngr
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def _add_sticky(
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self,
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@ -941,16 +961,19 @@ class ChartPlotWidget(pg.PlotWidget):
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def _set_yrange(
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self,
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*,
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yrange: Optional[tuple[float, float]] = None,
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range_margin: float = 0.06,
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bars_range: Optional[tuple[int, int, int, int]] = None
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) -> None:
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"""Set the viewable y-range based on embedded data.
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'''Set the viewable y-range based on embedded data.
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This adds auto-scaling like zoom on the scroll wheel such
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that data always fits nicely inside the current view of the
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data set.
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"""
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'''
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set_range = True
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if self._static_yrange == 'axis':
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@ -966,7 +989,20 @@ class ChartPlotWidget(pg.PlotWidget):
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# Determine max, min y values in viewable x-range from data.
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# Make sure min bars/datums on screen is adhered.
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l, lbar, rbar, r = self.bars_range()
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l, lbar, rbar, r = bars_range or self.bars_range()
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# TODO: we need a loop for auto-scaled subplots to all
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# be triggered by one another
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if self.name != 'volume':
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vlm_chart = self.linked.subplots.get('volume')
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if vlm_chart:
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vlm_chart._set_yrange(bars_range=(l, lbar, rbar, r))
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# curve = vlm_chart._graphics['volume']
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# if rbar - lbar < 1500:
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# # print('small range')
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# curve._fill = True
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# else:
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# curve._fill = False
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# figure out x-range in view such that user can scroll "off"
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# the data set up to the point where ``_min_points_to_show``
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@ -1003,15 +1039,17 @@ class ChartPlotWidget(pg.PlotWidget):
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a = self._arrays['ohlc']
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ifirst = a[0]['index']
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bars = a[lbar - ifirst:rbar - ifirst + 1]
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if not len(bars):
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# likely no data loaded yet or extreme scrolling?
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log.error(f"WTF bars_range = {lbar}:{rbar}")
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return
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if self.data_key != self.linked.symbol.key:
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bars = a[self.data_key]
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bars = bars[self.data_key]
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ylow = np.nanmin(bars)
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yhigh = np.nanmax((bars))
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yhigh = np.nanmax(bars)
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# print(f'{(ylow, yhigh)}')
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else:
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# just the std ohlc bars
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ylow = np.nanmin(bars['low'])
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@ -1072,7 +1110,6 @@ class ChartPlotWidget(pg.PlotWidget):
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# TODO: this should go onto some sort of
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# data-view strimg thinger..right?
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ohlc = self._shm.array
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# ohlc = chart._shm.array
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# XXX: not sure why the time is so off here
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# looks like we're gonna have to do some fixing..
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|
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@ -19,12 +19,13 @@ Real-time display tasks for charting / graphics.
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'''
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from contextlib import asynccontextmanager
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# from pprint import pformat
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import time
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from typing import Any
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from types import ModuleType
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from typing import Optional
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import numpy as np
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from pydantic import BaseModel
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from pydantic import create_model
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import tractor
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import trio
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@ -56,12 +57,14 @@ _clear_throttle_rate: int = 58 # Hz
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_book_throttle_rate: int = 16 # Hz
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async def chart_from_quotes(
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async def update_chart_from_quotes(
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chart: ChartPlotWidget,
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stream: tractor.MsgStream,
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ohlcv: np.ndarray,
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wap_in_history: bool = False,
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vlm_chart: Optional[ChartPlotWidget] = None,
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) -> None:
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'''The 'main' (price) chart real-time update loop.
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@ -76,7 +79,8 @@ async def chart_from_quotes(
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# - handle odd lot orders
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# - update last open price correctly instead
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# of copying it from last bar's close
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# - 5 sec bar lookback-autocorrection like tws does?
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# - 1-5 sec bar lookback-autocorrection like tws does?
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# (would require a background history checker task)
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# update last price sticky
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last_price_sticky = chart._ysticks[chart.name]
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@ -84,6 +88,9 @@ async def chart_from_quotes(
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*ohlcv.array[-1][['index', 'close']]
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)
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if vlm_chart:
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vlm_sticky = vlm_chart._ysticks['volume']
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def maxmin():
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# TODO: implement this
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# https://arxiv.org/abs/cs/0610046
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@ -94,7 +101,7 @@ async def chart_from_quotes(
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last_bars_range = chart.bars_range()
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l, lbar, rbar, r = last_bars_range
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in_view = array[lbar - ifirst:rbar - ifirst]
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in_view = array[lbar - ifirst:rbar - ifirst + 1]
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||||
|
||||
assert in_view.size
|
||||
|
||||
|
|
@ -105,11 +112,20 @@ async def chart_from_quotes(
|
|||
# sym = chart.name
|
||||
# mx, mn = np.nanmax(in_view[sym]), np.nanmin(in_view[sym])
|
||||
|
||||
return last_bars_range, mx, max(mn, 0)
|
||||
mx_vlm_in_view = 0
|
||||
if vlm_chart:
|
||||
mx_vlm_in_view = np.max(in_view['volume'])
|
||||
|
||||
return last_bars_range, mx, max(mn, 0), mx_vlm_in_view
|
||||
|
||||
chart.default_view()
|
||||
|
||||
last_bars_range, last_mx, last_mn = maxmin()
|
||||
(
|
||||
last_bars_range,
|
||||
last_mx,
|
||||
last_mn,
|
||||
last_mx_vlm,
|
||||
) = maxmin()
|
||||
|
||||
last, volume = ohlcv.array[-1][['close', 'volume']]
|
||||
|
||||
|
|
@ -125,14 +141,14 @@ async def chart_from_quotes(
|
|||
|
||||
# TODO:
|
||||
# - in theory we should be able to read buffer data faster
|
||||
# then msgs arrive.. needs some tinkering and testing
|
||||
# then msgs arrive.. needs some tinkering and testing
|
||||
|
||||
# - if trade volume jumps above / below prior L1 price
|
||||
# levels this might be dark volume we need to
|
||||
# present differently?
|
||||
# levels this might be dark volume we need to
|
||||
# present differently -> likely dark vlm
|
||||
|
||||
tick_size = chart.linked.symbol.tick_size
|
||||
tick_margin = 2 * tick_size
|
||||
tick_margin = 3 * tick_size
|
||||
|
||||
last_ask = last_bid = last_clear = time.time()
|
||||
chart.show()
|
||||
|
|
@ -148,9 +164,40 @@ async def chart_from_quotes(
|
|||
|
||||
now = time.time()
|
||||
|
||||
# brange, mx_in_view, mn_in_view = maxmin()
|
||||
(
|
||||
brange,
|
||||
mx_in_view,
|
||||
mn_in_view,
|
||||
mx_vlm_in_view,
|
||||
) = maxmin()
|
||||
l, lbar, rbar, r = brange
|
||||
mx = mx_in_view + tick_margin
|
||||
mn = mn_in_view - tick_margin
|
||||
|
||||
# NOTE: vlm may be written by the ``brokerd`` backend
|
||||
# event though a tick sample is not emitted.
|
||||
# TODO: show dark trades differently
|
||||
# https://github.com/pikers/piker/issues/116
|
||||
array = ohlcv.array
|
||||
|
||||
if vlm_chart:
|
||||
# print(f"volume: {end['volume']}")
|
||||
vlm_chart.update_curve_from_array('volume', array)
|
||||
vlm_sticky.update_from_data(*array[-1][['index', 'volume']])
|
||||
|
||||
if (
|
||||
mx_vlm_in_view != last_mx_vlm or
|
||||
mx_vlm_in_view > last_mx_vlm
|
||||
):
|
||||
# print(f'mx vlm: {last_mx_vlm} -> {mx_vlm_in_view}')
|
||||
vlm_chart._set_yrange(yrange=(0, mx_vlm_in_view * 1.375))
|
||||
last_mx_vlm = mx_vlm_in_view
|
||||
|
||||
for tick in quote.get('ticks', ()):
|
||||
|
||||
# print(f"CHART: {quote['symbol']}: {tick}")
|
||||
# log.info(
|
||||
# f"quotes: {pformat(quote['symbol'])}: {pformat(tick)}")
|
||||
ticktype = tick.get('type')
|
||||
price = tick.get('price')
|
||||
size = tick.get('size')
|
||||
|
|
@ -172,16 +219,13 @@ async def chart_from_quotes(
|
|||
# set time of last graphics update
|
||||
last_clear = now
|
||||
|
||||
array = ohlcv.array
|
||||
|
||||
# update price sticky(s)
|
||||
end = array[-1]
|
||||
last_price_sticky.update_from_data(
|
||||
*end[['index', 'close']]
|
||||
)
|
||||
|
||||
# plot bars
|
||||
# update price bar
|
||||
# update ohlc sampled price bars
|
||||
chart.update_ohlc_from_array(
|
||||
chart.name,
|
||||
array,
|
||||
|
|
@ -214,11 +258,6 @@ async def chart_from_quotes(
|
|||
# compute max and min trade values to display in view
|
||||
# TODO: we need a streaming minmax algorithm here, see
|
||||
# def above.
|
||||
brange, mx_in_view, mn_in_view = maxmin()
|
||||
l, lbar, rbar, r = brange
|
||||
|
||||
mx = mx_in_view + tick_margin
|
||||
mn = mn_in_view - tick_margin
|
||||
|
||||
# XXX: prettty sure this is correct?
|
||||
# if ticktype in ('trade', 'last'):
|
||||
|
|
@ -242,16 +281,14 @@ async def chart_from_quotes(
|
|||
elif ticktype in ('bid', 'bsize'):
|
||||
l1.bid_label.update_fields({'level': price, 'size': size})
|
||||
|
||||
# update min price in view to keep bid on screen
|
||||
mn = min(price - tick_margin, mn)
|
||||
# update max price in view to keep ask on screen
|
||||
# in view y-range checking for auto-scale
|
||||
# update the max/min price in view to keep bid/ask on screen
|
||||
mx = max(price + tick_margin, mx)
|
||||
|
||||
mn = min(price - tick_margin, mn)
|
||||
if (mx > last_mx) or (
|
||||
mn < last_mn
|
||||
):
|
||||
# print(f'new y range: {(mn, mx)}')
|
||||
|
||||
chart._set_yrange(
|
||||
yrange=(mn, mx),
|
||||
# TODO: we should probably scale
|
||||
|
|
@ -345,45 +382,51 @@ async def fan_out_spawn_fsp_daemons(
|
|||
# blocks here until all fsp actors complete
|
||||
|
||||
|
||||
class FspConfig(BaseModel):
|
||||
class Config:
|
||||
validate_assignment = True
|
||||
|
||||
name: str
|
||||
period: int
|
||||
|
||||
|
||||
@asynccontextmanager
|
||||
async def open_sidepane(
|
||||
|
||||
linked: LinkedSplits,
|
||||
display_name: str,
|
||||
conf: dict[str, dict[str, str]],
|
||||
|
||||
) -> FspConfig:
|
||||
) -> FieldsForm:
|
||||
|
||||
schema = {}
|
||||
|
||||
assert len(conf) == 1 # for now
|
||||
|
||||
# add (single) selection widget
|
||||
for display_name, config in conf.items():
|
||||
schema[display_name] = {
|
||||
'label': '**fsp**:',
|
||||
'type': 'select',
|
||||
'default_value': [display_name],
|
||||
}
|
||||
|
||||
# add parameters for selection "options"
|
||||
defaults = config.get('params', {})
|
||||
for name, default in defaults.items():
|
||||
|
||||
# add to ORM schema
|
||||
schema.update({
|
||||
name: {
|
||||
'label': f'**{name}**:',
|
||||
'type': 'edit',
|
||||
'default_value': default,
|
||||
},
|
||||
})
|
||||
|
||||
sidepane: FieldsForm = mk_form(
|
||||
parent=linked.godwidget,
|
||||
fields_schema={
|
||||
'name': {
|
||||
'label': '**fsp**:',
|
||||
'type': 'select',
|
||||
'default_value': [
|
||||
f'{display_name}'
|
||||
],
|
||||
},
|
||||
fields_schema=schema,
|
||||
)
|
||||
|
||||
# TODO: generate this from input map
|
||||
'period': {
|
||||
'label': '**period**:',
|
||||
'type': 'edit',
|
||||
'default_value': 14,
|
||||
},
|
||||
},
|
||||
)
|
||||
sidepane.model = FspConfig(
|
||||
# https://pydantic-docs.helpmanual.io/usage/models/#dynamic-model-creation
|
||||
FspConfig = create_model(
|
||||
'FspConfig',
|
||||
name=display_name,
|
||||
period=14,
|
||||
**defaults,
|
||||
)
|
||||
sidepane.model = FspConfig()
|
||||
|
||||
# just a logger for now until we get fsp configs up and running.
|
||||
async def settings_change(key: str, value: str) -> bool:
|
||||
|
|
@ -410,7 +453,7 @@ async def run_fsp(
|
|||
src_shm: ShmArray,
|
||||
fsp_func_name: str,
|
||||
display_name: str,
|
||||
conf: dict[str, Any],
|
||||
conf: dict[str, dict],
|
||||
group_status_key: str,
|
||||
loglevel: str,
|
||||
|
||||
|
|
@ -444,7 +487,7 @@ async def run_fsp(
|
|||
ctx.open_stream() as stream,
|
||||
open_sidepane(
|
||||
linkedsplits,
|
||||
display_name,
|
||||
{display_name: conf},
|
||||
) as sidepane,
|
||||
):
|
||||
|
||||
|
|
@ -453,9 +496,10 @@ async def run_fsp(
|
|||
if conf.get('overlay'):
|
||||
chart = linkedsplits.chart
|
||||
chart.draw_curve(
|
||||
name='vwap',
|
||||
name=display_name,
|
||||
data=shm.array,
|
||||
overlay=True,
|
||||
color='default_light',
|
||||
)
|
||||
last_val_sticky = None
|
||||
|
||||
|
|
@ -658,22 +702,25 @@ async def maybe_open_vlm_display(
|
|||
|
||||
) -> ChartPlotWidget:
|
||||
|
||||
# make sure that the instrument supports volume history
|
||||
# (sometimes this is not the case for some commodities and
|
||||
# derivatives)
|
||||
# volm = ohlcv.array['volume']
|
||||
# if (
|
||||
# np.all(np.isin(volm, -1)) or
|
||||
# np.all(np.isnan(volm))
|
||||
# ):
|
||||
if not has_vlm(ohlcv):
|
||||
log.warning(f"{linked.symbol.key} does not seem to have volume info")
|
||||
yield
|
||||
return
|
||||
else:
|
||||
async with open_sidepane(linked, 'volume') as sidepane:
|
||||
async with open_sidepane(
|
||||
linked, {
|
||||
'volume': {
|
||||
'params': {
|
||||
'price_func': 'ohl3'
|
||||
}
|
||||
}
|
||||
},
|
||||
) as sidepane:
|
||||
|
||||
# built-in $vlm
|
||||
shm = ohlcv
|
||||
chart = linked.add_plot(
|
||||
name='vlm',
|
||||
name='volume',
|
||||
array=shm.array,
|
||||
|
||||
array_key='volume',
|
||||
|
|
@ -682,9 +729,13 @@ async def maybe_open_vlm_display(
|
|||
# curve by default
|
||||
ohlc=False,
|
||||
|
||||
# vertical bars
|
||||
# Draw vertical bars from zero.
|
||||
# we do this internally ourselves since
|
||||
# the curve item internals are pretty convoluted.
|
||||
style='step',
|
||||
|
||||
# original pyqtgraph flag for reference
|
||||
# stepMode=True,
|
||||
# static_yrange=(0, 100),
|
||||
)
|
||||
|
||||
# XXX: ONLY for sub-chart fsps, overlays have their
|
||||
|
|
@ -703,9 +754,23 @@ async def maybe_open_vlm_display(
|
|||
|
||||
last_val_sticky.update_from_data(-1, value)
|
||||
|
||||
chart.update_curve_from_array(
|
||||
'volume',
|
||||
shm.array,
|
||||
)
|
||||
|
||||
# size view to data once at outset
|
||||
chart._set_yrange()
|
||||
|
||||
# size pain to parent chart
|
||||
# TODO: this appears to nearly fix a bug where the vlm sidepane
|
||||
# could be sized correctly nearly immediately (since the
|
||||
# order pane is already sized), right now it doesn't seem to
|
||||
# fully align until the VWAP fsp-actor comes up...
|
||||
await trio.sleep(0)
|
||||
chart.linked.resize_sidepanes()
|
||||
await trio.sleep(0)
|
||||
|
||||
yield chart
|
||||
|
||||
|
||||
|
|
@ -803,22 +868,13 @@ async def display_symbol_data(
|
|||
|
||||
# TODO: eventually we'll support some kind of n-compose syntax
|
||||
fsp_conf = {
|
||||
'rsi': {
|
||||
'fsp_func_name': 'rsi',
|
||||
'period': 14,
|
||||
'chart_kwargs': {
|
||||
'static_yrange': (0, 100),
|
||||
},
|
||||
},
|
||||
# # test for duplicate fsps on same chart
|
||||
# 'rsi2': {
|
||||
# 'rsi': {
|
||||
# 'fsp_func_name': 'rsi',
|
||||
# 'period': 14,
|
||||
# 'params': {'period': 14},
|
||||
# 'chart_kwargs': {
|
||||
# 'static_yrange': (0, 100),
|
||||
# },
|
||||
# },
|
||||
|
||||
}
|
||||
|
||||
if has_vlm(ohlcv):
|
||||
|
|
@ -831,9 +887,16 @@ async def display_symbol_data(
|
|||
},
|
||||
})
|
||||
|
||||
async with (
|
||||
# NOTE: we must immediately tell Qt to show the OHLC chart
|
||||
# to avoid a race where the subplots get added/shown to
|
||||
# the linked set *before* the main price chart!
|
||||
linkedsplits.show()
|
||||
linkedsplits.focus()
|
||||
await trio.sleep(0)
|
||||
|
||||
async with (
|
||||
trio.open_nursery() as ln,
|
||||
maybe_open_vlm_display(linkedsplits, ohlcv) as vlm_chart,
|
||||
):
|
||||
# load initial fsp chain (otherwise known as "indicators")
|
||||
ln.start_soon(
|
||||
|
|
@ -849,11 +912,12 @@ async def display_symbol_data(
|
|||
|
||||
# start graphics update loop(s)after receiving first live quote
|
||||
ln.start_soon(
|
||||
chart_from_quotes,
|
||||
update_chart_from_quotes,
|
||||
chart,
|
||||
feed.stream,
|
||||
ohlcv,
|
||||
wap_in_history,
|
||||
vlm_chart,
|
||||
)
|
||||
|
||||
ln.start_soon(
|
||||
|
|
@ -864,10 +928,6 @@ async def display_symbol_data(
|
|||
)
|
||||
|
||||
async with (
|
||||
# XXX: this slipped in during a commits refacotr,
|
||||
# it's actually landing proper in #231
|
||||
# maybe_open_vlm_display(linkedsplits, ohlcv),
|
||||
|
||||
open_order_mode(
|
||||
feed,
|
||||
chart,
|
||||
|
|
|
|||
|
|
@ -205,19 +205,26 @@ def hcolor(name: str) -> str:
|
|||
'svags': '#0a0e14',
|
||||
|
||||
# fifty shades
|
||||
'original': '#a9a9a9',
|
||||
'gray': '#808080', # like the kick
|
||||
'grayer': '#4c4c4c',
|
||||
'grayest': '#3f3f3f',
|
||||
'i3': '#494D4F',
|
||||
'jet': '#343434',
|
||||
'cadet': '#91A3B0',
|
||||
'marengo': '#91A3B0',
|
||||
'charcoal': '#36454F',
|
||||
'gunmetal': '#91A3B0',
|
||||
'battleship': '#848482',
|
||||
'davies': '#555555',
|
||||
|
||||
# bluish
|
||||
'charcoal': '#36454F',
|
||||
|
||||
# default bars
|
||||
'bracket': '#666666', # like the logo
|
||||
'original': '#a9a9a9',
|
||||
|
||||
# work well for filled polygons which want a 'bracket' feel
|
||||
# going light to dark
|
||||
'davies': '#555555',
|
||||
'i3': '#494D4F',
|
||||
'jet': '#343434',
|
||||
|
||||
# from ``qdarkstyle`` palette
|
||||
'default_darkest': DarkPalette.COLOR_BACKGROUND_1,
|
||||
|
|
|
|||
Loading…
Reference in New Issue