Combine last,bid,ask in a StackLayout-cell
Tyler Goodlet
parent
29be7f58c9
commit
e464898210
|
|
@ -5,11 +5,14 @@ Launch with ``piker watch <watchlist name>``.
|
|||
|
||||
(Currently there's a bunch of QT specific stuff in here)
|
||||
"""
|
||||
from itertools import chain
|
||||
from functools import partial
|
||||
|
||||
import trio
|
||||
from kivy.uix.boxlayout import BoxLayout
|
||||
from kivy.uix.gridlayout import GridLayout
|
||||
from kivy.uix.stacklayout import StackLayout
|
||||
from kivy.uix.button import Button
|
||||
from kivy.uix.label import Label
|
||||
from kivy.uix.scrollview import ScrollView
|
||||
from kivy.lang import Builder
|
||||
from kivy import utils
|
||||
|
|
@ -40,34 +43,26 @@ def colorcode(name):
|
|||
|
||||
# border size
|
||||
_bs = 3
|
||||
_color = [0.14]*4 # nice shade of gray
|
||||
_color = [0.13]*3 # nice shade of gray
|
||||
|
||||
_kv = (f'''
|
||||
#:kivy 1.10.0
|
||||
|
||||
<Cell>
|
||||
font_size: 20
|
||||
text_size: self.size
|
||||
size: self.texture_size
|
||||
font_size: '20'
|
||||
color: {colorcode('gray')}
|
||||
# size_hint_y: None
|
||||
font_color: {colorcode('gray')}
|
||||
font_name: 'Roboto-Regular'
|
||||
# height: 50
|
||||
# width: 50
|
||||
background_color: [0]*4
|
||||
background_color: [0.13]*3 + [1]
|
||||
background_normal: ''
|
||||
valign: 'middle'
|
||||
halign: 'center'
|
||||
outline_color: [0.1]*4
|
||||
canvas.before:
|
||||
Color:
|
||||
rgb: {_color}
|
||||
BorderImage:
|
||||
pos: self.pos
|
||||
size: self.size
|
||||
|
||||
<HeaderCell>
|
||||
font_size: '20'
|
||||
font_size: 21
|
||||
background_color: [0]*4
|
||||
canvas.before:
|
||||
Color:
|
||||
|
|
@ -84,11 +79,14 @@ _kv = (f'''
|
|||
row_default_height: 75
|
||||
cols: 1
|
||||
|
||||
<BidAskLayout>
|
||||
spacing: [{_bs}, 0]
|
||||
|
||||
<Row>
|
||||
minimum_height: 200 # should be pulled from Cell text size
|
||||
minimum_width: 200
|
||||
row_force_default: True
|
||||
row_default_height: 75
|
||||
# minimum_height: 200 # should be pulled from Cell text size
|
||||
# minimum_width: 200
|
||||
# row_force_default: True
|
||||
# row_default_height: 75
|
||||
outline_color: [.7]*4
|
||||
''')
|
||||
|
||||
|
|
@ -99,19 +97,19 @@ _qt_keys = {
|
|||
'lastTradePrice': 'last',
|
||||
'askPrice': 'ask',
|
||||
'bidPrice': 'bid',
|
||||
'lastTradeSize': 'last size',
|
||||
'bidSize': 'bid size',
|
||||
'askSize': 'ask size',
|
||||
'lastTradeSize': 'size',
|
||||
'bidSize': 'bsize',
|
||||
'askSize': 'asize',
|
||||
'volume': ('vol', humanize),
|
||||
'VWAP': ('VWAP', "{:.3f}".format),
|
||||
'high52w': 'high52w',
|
||||
'VWAP': ('VWAP', partial(round, ndigits=3)),
|
||||
'openPrice': 'open',
|
||||
'lowPrice': 'low',
|
||||
'highPrice': 'high',
|
||||
'low52w': 'low52w',
|
||||
'high52w': 'high52w',
|
||||
# "lastTradePriceTrHrs": 7.99,
|
||||
# "lastTradeTick": "Equal",
|
||||
# "lastTradeTime": "2018-01-30T18:28:23.434000-05:00",
|
||||
# 'low52w': 'low52w',
|
||||
'lowPrice': 'low day',
|
||||
'openPrice': 'open',
|
||||
# "symbolId": 3575753,
|
||||
# "tier": "",
|
||||
# 'isHalted': 'halted',
|
||||
|
|
@ -188,11 +186,62 @@ class HeaderCell(Button):
|
|||
self.background_color = self.color
|
||||
|
||||
|
||||
class Cell(Label):
|
||||
"""Data cell label.
|
||||
class Cell(Button):
|
||||
"""Data cell.
|
||||
"""
|
||||
|
||||
|
||||
class BidAskLayout(StackLayout):
|
||||
"""Cell which houses three buttons containing a last, bid, and ask in a
|
||||
single unit oriented with the last 2 under the first.
|
||||
"""
|
||||
def __init__(self, values, header=False, **kwargs):
|
||||
super(BidAskLayout, self).__init__(orientation='lr-tb', **kwargs)
|
||||
assert len(values) == 3, "You can only provide 3 values: last,bid,ask"
|
||||
self._keys2cells = {}
|
||||
cell_type = HeaderCell if header else Cell
|
||||
top_size = cell_type().font_size
|
||||
small_size = top_size - 5
|
||||
top_prop = 0.7
|
||||
bottom_prop = 1 - top_prop
|
||||
for (key, size_hint, font_size), value in zip(
|
||||
[('last', (1, top_prop), top_size),
|
||||
('bid', (0.5, bottom_prop), small_size),
|
||||
('ask', (0.5, bottom_prop), small_size)],
|
||||
values
|
||||
):
|
||||
cell = cell_type(
|
||||
text=str(value),
|
||||
size_hint=size_hint,
|
||||
width=self.width/2 - 3,
|
||||
font_size=font_size
|
||||
)
|
||||
self._keys2cells[key] = cell
|
||||
cell.key = value
|
||||
cell.is_header = header
|
||||
setattr(self, key, cell)
|
||||
self.add_widget(cell)
|
||||
|
||||
# should be assigned by referrer
|
||||
self.row = None
|
||||
|
||||
def get_cell(self, key):
|
||||
return self._keys2cells[key]
|
||||
|
||||
@property
|
||||
def row(self):
|
||||
return self.row
|
||||
|
||||
@row.setter
|
||||
def row(self, row):
|
||||
for cell in self.cells:
|
||||
cell.row = row
|
||||
|
||||
@property
|
||||
def cells(self):
|
||||
return [self.last, self.bid, self.ask]
|
||||
|
||||
|
||||
class Row(GridLayout):
|
||||
"""A grid for displaying a row of ticker quote data.
|
||||
|
||||
|
|
@ -209,12 +258,41 @@ class Row(GridLayout):
|
|||
self.table = table
|
||||
self.is_header = is_header_row
|
||||
|
||||
# create `BidAskCells` first
|
||||
bidasks = {
|
||||
'last': ['bid', 'ask'],
|
||||
'size': ['bsize', 'asize']
|
||||
}
|
||||
# import pdb; pdb.set_trace()
|
||||
ba_cells = {}
|
||||
layouts = {}
|
||||
for key, children in bidasks.items():
|
||||
layout = BidAskLayout(
|
||||
[record[key]] + [record[child] for child in children],
|
||||
header=is_header_row
|
||||
)
|
||||
layout.row = self
|
||||
layouts[key] = layout
|
||||
for i, child in enumerate([key] + children):
|
||||
ba_cells[child] = layout.cells[i]
|
||||
|
||||
children_flat = list(chain.from_iterable(bidasks.values()))
|
||||
self._cell_widgets.update(ba_cells)
|
||||
|
||||
# build out row using Cell labels
|
||||
for (key, val) in record.items():
|
||||
header = key in headers
|
||||
|
||||
# handle bidask cells
|
||||
if key in layouts:
|
||||
self.add_widget(layouts[key])
|
||||
elif key in children_flat:
|
||||
# these cells have already been added to the `BidAskLayout`
|
||||
continue
|
||||
else:
|
||||
cell = self._append_cell(val, header=header)
|
||||
self._cell_widgets[key] = cell
|
||||
cell.key = key
|
||||
self._cell_widgets[key] = cell
|
||||
|
||||
def get_cell(self, key):
|
||||
return self._cell_widgets[key]
|
||||
|
|
@ -228,11 +306,6 @@ class Row(GridLayout):
|
|||
cell = celltype(text=str(text))
|
||||
cell.is_header = header
|
||||
cell.row = self
|
||||
|
||||
# don't bold the header row
|
||||
if header and self.is_header:
|
||||
cell.bold = False
|
||||
|
||||
self.add_widget(cell)
|
||||
return cell
|
||||
|
||||
|
|
@ -296,8 +369,8 @@ async def update_quotes(
|
|||
grid = widgets['grid']
|
||||
|
||||
def color_row(row, data):
|
||||
hdrcell = row._cell_widgets['symbol']
|
||||
chngcell = row._cell_widgets['%']
|
||||
hdrcell = row.get_cell('symbol')
|
||||
chngcell = row.get_cell('%')
|
||||
daychange = float(data['%'])
|
||||
if daychange < 0.:
|
||||
color = colorcode('red2')
|
||||
|
|
@ -319,7 +392,7 @@ async def update_quotes(
|
|||
for quote in first_quotes:
|
||||
sym = quote['symbol']
|
||||
row = grid.symbols2rows[sym]
|
||||
data, _ = qtconvert(quote, symbol_data=symbol_data)
|
||||
data, displayable = qtconvert(quote, symbol_data=symbol_data)
|
||||
color_row(row, data)
|
||||
cache[sym] = (data, row)
|
||||
|
||||
|
|
@ -344,7 +417,7 @@ async def update_quotes(
|
|||
else:
|
||||
color = colorcode('gray')
|
||||
|
||||
cell = row._cell_widgets[key]
|
||||
cell = row.get_cell(key)
|
||||
cell.text = str(displayable[key])
|
||||
cell.color = color
|
||||
|
||||
|
|
@ -385,11 +458,11 @@ async def _async_main(name, watchlists, brokermod):
|
|||
return
|
||||
|
||||
first_quotes = [
|
||||
qtconvert(quote, symbol_data=sd)[0] for quote in pkts]
|
||||
qtconvert(quote, symbol_data=sd)[1] for quote in pkts]
|
||||
|
||||
# build out UI
|
||||
Builder.load_string(_kv)
|
||||
root = BoxLayout(orientation='vertical', padding=5, spacing=-20)
|
||||
root = BoxLayout(orientation='vertical', padding=5, spacing=5)
|
||||
header = header_row(
|
||||
first_quotes[0].keys(),
|
||||
size_hint=(1, None),
|
||||
|
|
|
|||
Loading…
Reference in New Issue