Facepalm: display state must be linked charts specific
Tyler Goodlet
parent
ad1bbe74ad
commit
b3efa2874b
|
|
@ -346,6 +346,11 @@ class LinkedSplits(QWidget):
|
|||
self.layout.setContentsMargins(0, 0, 0, 0)
|
||||
self.layout.addWidget(self.splitter)
|
||||
|
||||
# chart-local graphics state that can be passed to
|
||||
# a ``graphic_update_cycle()`` call by any task wishing to
|
||||
# update the UI for a given "chart instance".
|
||||
self.display_state: dict[str, dict] = {}
|
||||
|
||||
self._symbol: Symbol = None
|
||||
|
||||
@property
|
||||
|
|
|
|||
|
|
@ -109,12 +109,6 @@ def chart_maxmin(
|
|||
return last_bars_range, mx, max(mn, 0), mx_vlm_in_view
|
||||
|
||||
|
||||
# actor-local graphics state that can be passed
|
||||
# to a ``graphic_update_cycle()`` call by any task
|
||||
# wishing to update the UI.
|
||||
_ux_state: dict[str, Any] = {}
|
||||
|
||||
|
||||
async def graphics_update_loop(
|
||||
|
||||
linked: LinkedSplits,
|
||||
|
|
@ -153,7 +147,6 @@ async def graphics_update_loop(
|
|||
|
||||
if vlm_chart:
|
||||
vlm_sticky = vlm_chart._ysticks['volume']
|
||||
# vlm_view = vlm_chart.view
|
||||
|
||||
maxmin = partial(chart_maxmin, chart, vlm_chart)
|
||||
chart.default_view()
|
||||
|
|
@ -216,26 +209,30 @@ async def graphics_update_loop(
|
|||
|
||||
# async for quotes in iter_drain_quotes():
|
||||
|
||||
_ux_state.update({
|
||||
ds = linked.display_state = {
|
||||
'quotes': {},
|
||||
'linked': linked,
|
||||
'maxmin': maxmin,
|
||||
'tick_margin': tick_margin,
|
||||
'ohlcv': ohlcv,
|
||||
'chart': chart,
|
||||
'last_price_sticky': last_price_sticky,
|
||||
'vlm_chart': vlm_chart,
|
||||
'i_last': i_last,
|
||||
'last_mx_vlm': last_mx_vlm,
|
||||
'vlm_sticky': vlm_sticky,
|
||||
'l1': l1,
|
||||
'last_mx': last_mx,
|
||||
'last_mn': last_mn,
|
||||
})
|
||||
|
||||
'vars': {
|
||||
'tick_margin': tick_margin,
|
||||
'i_last': i_last,
|
||||
'last_mx_vlm': last_mx_vlm,
|
||||
'last_mx': last_mx,
|
||||
'last_mn': last_mn,
|
||||
}
|
||||
}
|
||||
|
||||
# main loop
|
||||
async for quotes in stream:
|
||||
|
||||
_ux_state['quotes'] = quotes
|
||||
ds['quotes'] = quotes
|
||||
|
||||
quote_period = time.time() - last_quote
|
||||
quote_rate = round(
|
||||
|
|
@ -258,42 +255,28 @@ async def graphics_update_loop(
|
|||
continue
|
||||
|
||||
# sync call to update all graphics/UX components.
|
||||
graphics_update_cycle(**_ux_state)
|
||||
|
||||
|
||||
def trigger_update() -> None:
|
||||
'''
|
||||
Manually trigger a graphics update from global state.
|
||||
|
||||
Generally used from remote actors who wish to trigger a UI refresh.
|
||||
|
||||
'''
|
||||
assert _ux_state is not None, 'graphics engine not initialized?'
|
||||
graphics_update_cycle(**_ux_state)
|
||||
graphics_update_cycle(**ds)
|
||||
|
||||
|
||||
def graphics_update_cycle(
|
||||
quotes,
|
||||
linked,
|
||||
maxmin,
|
||||
tick_margin,
|
||||
ohlcv,
|
||||
chart,
|
||||
last_price_sticky,
|
||||
vlm_chart,
|
||||
i_last,
|
||||
last_mx_vlm,
|
||||
vlm_sticky,
|
||||
l1,
|
||||
|
||||
last_mx,
|
||||
last_mn,
|
||||
vars: dict[str, Any],
|
||||
|
||||
wap_in_history: bool = False,
|
||||
# vlm_view,
|
||||
|
||||
) -> None:
|
||||
|
||||
tick_margin = vars['tick_margin']
|
||||
|
||||
for sym, quote in quotes.items():
|
||||
|
||||
(
|
||||
|
|
@ -321,26 +304,26 @@ def graphics_update_cycle(
|
|||
|
||||
# increment the view position by the sample offset.
|
||||
i_step = ohlcv.index
|
||||
i_diff = i_step - i_last
|
||||
i_diff = i_step - vars['i_last']
|
||||
if i_diff > 0:
|
||||
chart.increment_view(
|
||||
steps=i_diff,
|
||||
)
|
||||
i_last = i_step
|
||||
vars['i_last'] = i_step
|
||||
|
||||
if vlm_chart:
|
||||
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
|
||||
mx_vlm_in_view != vars['last_mx_vlm'] or
|
||||
mx_vlm_in_view > vars['last_mx_vlm']
|
||||
):
|
||||
# print(f'mx vlm: {last_mx_vlm} -> {mx_vlm_in_view}')
|
||||
vlm_chart.view._set_yrange(
|
||||
yrange=(0, mx_vlm_in_view * 1.375)
|
||||
)
|
||||
last_mx_vlm = mx_vlm_in_view
|
||||
vars['last_mx_vlm'] = mx_vlm_in_view
|
||||
|
||||
for curve_name, flow in vlm_chart._flows.items():
|
||||
update_fsp_chart(
|
||||
|
|
@ -469,7 +452,7 @@ def graphics_update_cycle(
|
|||
|
||||
# check for y-range re-size
|
||||
if (
|
||||
(mx > last_mx) or (mn < last_mn)
|
||||
(mx > vars['last_mx']) or (mn < vars['last_mn'])
|
||||
and not chart._static_yrange == 'axis'
|
||||
):
|
||||
# print(f'new y range: {(mn, mx)}')
|
||||
|
|
@ -483,7 +466,7 @@ def graphics_update_cycle(
|
|||
# range_margin=0.1,
|
||||
)
|
||||
|
||||
last_mx, last_mn = mx, mn
|
||||
vars['last_mx'], vars['last_mn'] = mx, mn
|
||||
|
||||
# run synchronous update on all derived fsp subplots
|
||||
for name, subchart in linked.subplots.items():
|
||||
|
|
@ -507,9 +490,19 @@ def graphics_update_cycle(
|
|||
curve_name,
|
||||
array_key=curve_name,
|
||||
)
|
||||
# chart.view._set_yrange()
|
||||
|
||||
# loop end
|
||||
|
||||
def trigger_update(
|
||||
linked: LinkedSplits,
|
||||
|
||||
) -> None:
|
||||
'''
|
||||
Manually trigger a graphics update from global state.
|
||||
|
||||
Generally used from remote actors who wish to trigger a UI refresh.
|
||||
|
||||
'''
|
||||
graphics_update_cycle(**linked.display_state)
|
||||
|
||||
|
||||
async def display_symbol_data(
|
||||
|
|
|
|||
Loading…
Reference in New Issue