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