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piker
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Explicit fast chart naming, auto-yrange the fast chart on increment

ib_1m_hist
Tyler Goodlet 2022-09-28 16:05:13 -04:00
parent 54567d33da
commit 811d21e111
1 changed files with 18 additions and 17 deletions
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35
piker/ui/_display.py
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@ -249,14 +249,14 @@ async def graphics_update_loop(
linked: LinkedSplits = godwidget.rt_linked
display_rate = godwidget.window.current_screen().refreshRate()
chart = linked.chart
fast_chart = linked.chart
hist_chart = godwidget.hist_linked.chart
ohlcv = feed.rt_shm
hist_ohlcv = feed.hist_shm
# update last price sticky
last_price_sticky = chart._ysticks[chart.name]
last_price_sticky = fast_chart._ysticks[fast_chart.name]
last_price_sticky.update_from_data(
*ohlcv.array[-1][['index', 'close']]
)
@ -268,7 +268,7 @@ async def graphics_update_loop(
maxmin = partial(
chart_maxmin,
chart,
fast_chart,
ohlcv,
vlm_chart,
)
@ -282,15 +282,15 @@ async def graphics_update_loop(
last, volume = ohlcv.array[-1][['close', 'volume']]
symbol = chart.linked.symbol
symbol = fast_chart.linked.symbol
l1 = L1Labels(
chart,
fast_chart,
# determine precision/decimal lengths
digits=symbol.tick_size_digits,
size_digits=symbol.lot_size_digits,
)
chart._l1_labels = l1
fast_chart._l1_labels = l1
# TODO:
# - in theory we should be able to read buffer data faster
@ -300,10 +300,10 @@ async def graphics_update_loop(
# levels this might be dark volume we need to
# present differently -> likely dark vlm
tick_size = chart.linked.symbol.tick_size
tick_size = fast_chart.linked.symbol.tick_size
tick_margin = 3 * tick_size
chart.show()
fast_chart.show()
last_quote = time.time()
i_last = ohlcv.index
@ -313,7 +313,7 @@ async def graphics_update_loop(
'maxmin': maxmin,
'ohlcv': ohlcv,
'hist_ohlcv': hist_ohlcv,
'chart': chart,
'chart': fast_chart,
'last_price_sticky': last_price_sticky,
'hist_last_price_sticky': hist_last_price_sticky,
'l1': l1,
@ -333,7 +333,7 @@ async def graphics_update_loop(
ds.vlm_chart = vlm_chart
ds.vlm_sticky = vlm_sticky
chart.default_view()
fast_chart.default_view()
# TODO: probably factor this into some kinda `DisplayState`
# API that can be reused at least in terms of pulling view
@ -410,16 +410,16 @@ async def graphics_update_loop(
last_quote = time.time()
# chart isn't active/shown so skip render cycle and pause feed(s)
if chart.linked.isHidden():
if fast_chart.linked.isHidden():
# print('skipping update')
chart.pause_all_feeds()
fast_chart.pause_all_feeds()
continue
ic = chart.view._ic
if ic:
chart.pause_all_feeds()
await ic.wait()
chart.resume_all_feeds()
# ic = fast_chart.view._ic
# if ic:
# fast_chart.pause_all_feeds()
# await ic.wait()
# fast_chart.resume_all_feeds()
# sync call to update all graphics/UX components.
graphics_update_cycle(ds)
@ -502,6 +502,7 @@ def graphics_update_cycle(
or trigger_all
):
chart.increment_view(steps=i_diff)
chart.view._set_yrange(yrange=(mn, mx))
if vlm_chart:
vlm_chart.increment_view(steps=i_diff)