Load async kb search handler at startup

symbol_search
Tyler Goodlet 2021-05-05 10:10:34 -04:00
parent 60d44f30ee
commit be39e9bdf5
1 changed files with 41 additions and 23 deletions

View File

@ -54,7 +54,9 @@ from ._style import (
_bars_from_right_in_follow_mode, _bars_from_right_in_follow_mode,
_bars_to_left_in_follow_mode, _bars_to_left_in_follow_mode,
) )
from . import _search
from ._search import FontSizedQLineEdit from ._search import FontSizedQLineEdit
from ._event import open_key_stream
from ..data._source import Symbol from ..data._source import Symbol
from ..data._sharedmem import ShmArray from ..data._sharedmem import ShmArray
from .. import brokers from .. import brokers
@ -85,36 +87,19 @@ class ChartSpace(QtGui.QWidget):
self.toolbar_layout = QtGui.QHBoxLayout() self.toolbar_layout = QtGui.QHBoxLayout()
self.toolbar_layout.setContentsMargins(0, 0, 0, 0) self.toolbar_layout.setContentsMargins(0, 0, 0, 0)
self.h_layout = QtGui.QHBoxLayout() self.hbox = QtGui.QHBoxLayout()
self.h_layout.setContentsMargins(0, 0, 0, 0) self.hbox.setContentsMargins(0, 0, 0, 0)
# self.init_timeframes_ui() # self.init_timeframes_ui()
# self.init_strategy_ui() # self.init_strategy_ui()
self.vbox.addLayout(self.toolbar_layout) self.vbox.addLayout(self.toolbar_layout)
self.vbox.addLayout(self.h_layout) self.vbox.addLayout(self.hbox)
self._chart_cache = {} self._chart_cache = {}
self.linkedcharts: 'LinkedSplitCharts' = None self.linkedcharts: 'LinkedSplitCharts' = None
self.symbol_label: Optional[QtGui.QLabel] = None self.symbol_label: Optional[QtGui.QLabel] = None
self._root_n: Optional[trio.Nursery] = None self._root_n: Optional[trio.Nursery] = None
def open_search(self):
# search = self.search = QtWidgets.QLineEdit()
self.search = FontSizedQLineEdit(self)
self.search.unfocus()
self.vbox.addWidget(self.search)
self.vbox.addWidget(self.search.view)
self.search.view.set_results([
'XMRUSD',
'XBTUSD',
'XMRXBT',
# 'XMRXBT',
# 'XDGUSD',
# 'ADAUSD',
])
# search.installEventFilter(self)
def init_timeframes_ui(self): def init_timeframes_ui(self):
self.tf_layout = QtGui.QHBoxLayout() self.tf_layout = QtGui.QHBoxLayout()
self.tf_layout.setSpacing(0) self.tf_layout.setSpacing(0)
@ -165,6 +150,8 @@ class ChartSpace(QtGui.QWidget):
# we must load a fresh linked charts set # we must load a fresh linked charts set
linkedcharts = LinkedSplitCharts(self) linkedcharts = LinkedSplitCharts(self)
# spawn new task to start up and update new sub-chart instances
self._root_n.start_soon( self._root_n.start_soon(
chart_symbol, chart_symbol,
self, self,
@ -172,6 +159,7 @@ class ChartSpace(QtGui.QWidget):
symbol_key, symbol_key,
loglevel, loglevel,
) )
self.vbox.addWidget(linkedcharts) self.vbox.addWidget(linkedcharts)
self._chart_cache[symbol_key] = linkedcharts self._chart_cache[symbol_key] = linkedcharts
@ -1600,12 +1588,42 @@ async def _async_main(
# that run cached in the bg # that run cached in the bg
chart_app._root_n = root_n chart_app._root_n = root_n
# TODO: trigger on ctlr-k # setup search widget
chart_app.open_search() # search.installEventFilter(self)
search = _search.FontSizedQLineEdit(chart_app)
# the main chart's view is given focus at startup
search.unfocus()
# add search singleton to global chart-space widget
chart_app.vbox.addWidget(search)
chart_app.vbox.addWidget(search.view)
chart_app.search = search
search.view.set_results([
'ETHUSD',
'XMRUSD',
'XBTUSD',
'XMRXBT',
# 'XMRXBT',
# 'XDGUSD',
# 'ADAUSD',
])
# this internally starts a ``chart_symbol()`` task above # this internally starts a ``chart_symbol()`` task above
chart_app.load_symbol(brokername, sym, loglevel) chart_app.load_symbol(brokername, sym, loglevel)
async with open_key_stream(
search,
) as key_stream:
# start kb handling task for searcher
root_n.start_soon(
_search.handle_keyboard_input,
search,
key_stream,
)
await trio.sleep_forever() await trio.sleep_forever()