Split up form creation and input handling, require a `.model`
Tyler Goodlet
parent
1d7300577e
commit
cebfe9dca3
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@ -33,6 +33,7 @@ from PyQt5.QtWidgets import (
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)
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import numpy as np
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import pyqtgraph as pg
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from pydantic import BaseModel
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import tractor
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import trio
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@ -75,8 +76,9 @@ from .. import fsp
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from ..data import feed
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from ._forms import (
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FieldsForm,
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open_form,
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mk_form,
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mk_order_pane_layout,
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open_form_input_handling,
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)
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@ -228,9 +230,9 @@ class GodWidget(QWidget):
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# change the order config form over to the new chart
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# XXX: since the pp config is a singleton widget we have to
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# also switch it over to the new chart's interal-layout
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self.linkedsplits.chart.qframe.hbox.removeWidget(self.pp_config)
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self.linkedsplits.chart.qframe.hbox.removeWidget(self.pp_pane)
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linkedsplits.chart.qframe.hbox.addWidget(
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self.pp_config,
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self.pp_pane,
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alignment=Qt.AlignTop
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)
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@ -377,7 +379,7 @@ class LinkedSplits(QWidget):
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style=style,
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_is_main=True,
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sidepane=self.godwidget.pp_config,
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sidepane=self.godwidget.pp_pane,
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)
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# add crosshair graphic
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self.chart.addItem(self.cursor)
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@ -438,7 +440,7 @@ class LinkedSplits(QWidget):
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self.xaxis = xaxis
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# TODO: probably should formalize and call this something else?
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class LambdaQFrame(QFrame):
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class ChartnPane(QFrame):
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'''One-off ``QFrame`` composite which pairs a chart + sidepane
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``FieldsForm`` (if provided).
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@ -465,7 +467,7 @@ class LinkedSplits(QWidget):
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hbox.setContentsMargins(0, 0, 0, 0)
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hbox.setSpacing(3)
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qframe = LambdaQFrame(self.splitter)
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qframe = ChartnPane(self.splitter)
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cpw = ChartPlotWidget(
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@ -517,7 +519,9 @@ class LinkedSplits(QWidget):
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# XXX: gives us outline on backside of y-axis
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cpw.getPlotItem().setContentsMargins(*CHART_MARGINS)
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# link chart x-axis to main quotes chart
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# link chart x-axis to main chart
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# this is 1/2 of where the `Link` in ``LinkedSplit``
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# comes from ;)
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cpw.setXLink(self.chart)
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# add to cross-hair's known plots
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@ -1373,22 +1377,19 @@ async def run_fsp(
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group_key=group_status_key,
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)
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async with (
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portal.open_stream_from(
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class FspConfig(BaseModel):
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# subactor entrypoint
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fsp.cascade,
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class Config:
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validate_assignment = True
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# name as title of sub-chart
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brokername=brokermod.name,
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src_shm_token=src_shm.token,
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dst_shm_token=conf['shm'].token,
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symbol=sym,
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fsp_func_name=fsp_func_name,
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name: str
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period: int
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) as stream,
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open_form(
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sidepane: FieldsForm = mk_form(
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model=FspConfig(
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name=display_name,
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period=14,
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),
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parent=linkedsplits.godwidget,
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fields_schema={
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'name': {
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@ -1404,7 +1405,25 @@ async def run_fsp(
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'default_value': 14,
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},
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},
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) as sidepane,
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)
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async with (
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portal.open_stream_from(
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# subactor entrypoint
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fsp.cascade,
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# name as title of sub-chart
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brokername=brokermod.name,
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src_shm_token=src_shm.token,
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dst_shm_token=conf['shm'].token,
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symbol=sym,
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fsp_func_name=fsp_func_name,
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) as stream,
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# TODO:
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# open_form_input_handling(sidepane),
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):
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@ -1840,56 +1859,14 @@ async def _async_main(
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starting_done = sbar.open_status('starting ze sexy chartz')
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# generate order mode side-pane UI
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# A ``FieldsForm`` form to configure order entry
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pp_pane: FieldsForm = mk_order_pane_layout(godwidget)
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# add as next-to-y-axis singleton pane
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godwidget.pp_pane = pp_pane
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async with (
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trio.open_nursery() as root_n,
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# fields form to configure order entry
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open_form(
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parent=godwidget,
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fields_schema={
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'account': {
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'type': 'select',
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'default_value': [
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'paper',
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# 'ib.margin',
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# 'ib.paper',
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],
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},
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'size_unit': {
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'label': '**allocate**:',
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'type': 'select',
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'default_value': [
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'$ size',
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'% of port',
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'# shares'
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],
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},
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'disti_weight': {
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'label': '**weight**:',
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'type': 'select',
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'default_value': ['uniform'],
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},
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'size': {
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'label': '**size**:',
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'type': 'edit',
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'default_value': 5000,
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},
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'slots': {
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'type': 'edit',
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'default_value': 4,
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},
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},
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) as pp_config,
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):
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pp_config: FieldsForm
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mk_order_pane_layout(pp_config)
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pp_config.show()
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# add as next-to-y-axis pane
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godwidget.pp_config = pp_config
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# set root nursery and task stack for spawning other charts/feeds
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# that run cached in the bg
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godwidget._root_n = root_n
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@ -1932,9 +1909,10 @@ async def _async_main(
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await order_mode_ready.wait()
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# start handling search bar kb inputs
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# start handling peripherals input for top level widgets
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async with (
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# search bar kb inputs
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_event.open_handlers(
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[search.bar],
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event_types={QEvent.KeyPress},
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@ -1942,6 +1920,9 @@ async def _async_main(
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# let key repeats pass through for search
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filter_auto_repeats=False,
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),
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# pp pane kb inputs
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open_form_input_handling(pp_pane),
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):
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# remove startup status text
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starting_done()
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@ -41,6 +41,7 @@ from PyQt5.QtWidgets import (
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QStyledItemDelegate,
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QStyleOptionViewItem,
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)
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import pydantic
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from ._event import open_handlers
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from ._style import hcolor, _font, _font_small, DpiAwareFont
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@ -330,10 +331,9 @@ class FieldsForm(QWidget):
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async def handle_field_input(
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widget: QWidget,
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# last_widget: QWidget, # had focus prior
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recv_chan: trio.abc.ReceiveChannel,
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fields: FieldsForm,
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allocator: Allocator, # noqa
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form: FieldsForm,
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model: pydantic.BaseModel, # noqa
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) -> None:
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@ -356,39 +356,38 @@ async def handle_field_input(
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}:
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widget.clearFocus()
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fields.godwidget.focus()
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form.godwidget.focus()
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continue
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# process field input
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if key in (Qt.Key_Enter, Qt.Key_Return):
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value = widget.text()
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key = widget._key
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setattr(allocator, key, value)
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print(allocator.dict())
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setattr(model, key, value)
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print(model.dict())
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@asynccontextmanager
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async def open_form(
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def mk_form(
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model: pydantic.BaseModel,
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parent: QWidget,
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fields_schema: dict,
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# alloc: Allocator,
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# orientation: str = 'horizontal',
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) -> FieldsForm:
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fields = FieldsForm(parent=parent)
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from ._position import mk_pp_alloc
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alloc = mk_pp_alloc()
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fields.model = alloc
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form = FieldsForm(parent=parent)
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# TODO: generate components from model
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# instead of schema dict (aka use an ORM)
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form.model = model
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# generate sub-components from schema dict
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for name, config in fields_schema.items():
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wtype = config['type']
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label = str(config.get('label', name))
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# plain (line) edit field
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if wtype == 'edit':
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w = fields.add_edit_field(
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w = form.add_edit_field(
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label,
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config['default_value']
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)
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@ -396,36 +395,48 @@ async def open_form(
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# drop-down selection
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elif wtype == 'select':
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values = list(config['default_value'])
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w = fields.add_select_field(
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w = form.add_select_field(
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label,
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values
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)
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def write_model(text: str):
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print(f'{text}')
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setattr(alloc, name, text)
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setattr(form.model, name, text)
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w.currentTextChanged.connect(write_model)
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w._key = name
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return form
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@asynccontextmanager
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async def open_form_input_handling(
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form: FieldsForm
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) -> FieldsForm:
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assert form.model, f'{form} must define a `.model`'
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async with open_handlers(
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list(fields.fields.values()),
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list(form.fields.values()),
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event_types={
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QEvent.KeyPress,
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},
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async_handler=partial(
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handle_field_input,
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fields=fields,
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allocator=alloc,
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form=form,
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model=form.model,
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),
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# block key repeats?
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filter_auto_repeats=True,
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):
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yield fields
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yield form
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def mk_fill_status_bar(
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@ -568,30 +579,73 @@ def mk_fill_status_bar(
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def mk_order_pane_layout(
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fields: FieldsForm,
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parent: QWidget,
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font_size: int = _font_small.px_size - 2
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) -> FieldsForm:
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from ._position import mk_pp_alloc
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# TODO: some kinda pydantic sub-type
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# that enforces a composite widget attr er sumthin..
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# as part of our ORM thingers.
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allocator = mk_pp_alloc()
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# TODO: maybe just allocate the whole fields form here
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# and expect an async ctx entry?
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fields._font_size = font_size
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form = mk_form(
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parent=parent,
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model=allocator,
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fields_schema={
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'account': {
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'type': 'select',
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'default_value': [
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'paper',
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# 'ib.margin',
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# 'ib.paper',
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],
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},
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'size_unit': {
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'label': '**allocate**:',
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'type': 'select',
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'default_value': [
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'$ size',
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'% of port',
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'# shares'
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],
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},
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'disti_weight': {
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'label': '**weight**:',
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'type': 'select',
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'default_value': ['uniform'],
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},
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'size': {
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'label': '**size**:',
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'type': 'edit',
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'default_value': 5000,
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},
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'slots': {
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'type': 'edit',
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'default_value': 4,
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},
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},
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)
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form._font_size = font_size
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allocator._widget = form
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# top level pane layout
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# XXX: see ``FieldsForm.__init__()`` for why we can't do basic
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# config of the vbox here
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vbox = fields.vbox
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vbox = form.vbox
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# _, h = fields.width(), fields.height()
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# _, h = form.width(), form.height()
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# print(f'w, h: {w, h}')
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hbox, bar = mk_fill_status_bar(fields, pane_vbox=vbox)
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hbox, bar = mk_fill_status_bar(form, pane_vbox=vbox)
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# add pp fill bar + spacing
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vbox.addLayout(hbox, stretch=1/3)
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feed_label = fields.add_field_label(
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feed_label = form.add_field_label(
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dedent("""
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brokerd.ib\n
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|_@localhost:8509\n
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@ -613,4 +667,6 @@ def mk_order_pane_layout(
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# https://doc.qt.io/qt-5/layout.html#adding-widgets-to-a-layout
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vbox.setSpacing(36)
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return fields
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form.show()
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return form
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@ -105,12 +105,15 @@ def mk_pp_alloc(
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slots: int
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_position: Position = None
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_widget: QWidget = None
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def get_order_info(
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self,
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price: float,
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) -> dict:
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size = self.size / self.slots
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units, r = divmod(
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round((self.size / self.slots)),
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price,
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