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piker
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Tighten up the UI to be super sleek

kivy_mainline_and_py3.8
Tyler Goodlet 2018-02-09 02:44:43 -05:00
parent e45c07dce7
commit f71391252d
2 changed files with 67 additions and 59 deletions
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7
piker/ui/__init__.py 100644
View File

@ -0,0 +1,7 @@
"""
Stuff for you eyes.
"""
import os
# use the trio async loop
os.environ['KIVY_EVENTLOOP'] = 'trio'

105
piker/ui/watchlist.py
View File

@ -1,90 +1,86 @@
"""
A real-time, sorted watchlist
"""
import os
from importlib import import_module
import click
import trio
from ..log import get_logger, get_console_log
log = get_logger('watchlist')
# use the trio async loop
os.environ['KIVY_EVENTLOOP'] = 'trio'
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.gridlayout import GridLayout
from kivy.uix.label import Label
from kivy.uix.scrollview import ScrollView
from kivy.core.window import Window
from kivy.lang import Builder
from kivy import utils
from kivy.app import async_runTouchApp
from ..log import get_logger, get_console_log
log = get_logger('watchlist')
def same_rgb(val):
return ', '.join(map(str, [val]*3))
def colorcode(name):
if not name:
name = 'gray'
_names2hexs = {
_colors2hexs = {
'darkgray': 'a9a9a9',
'gray': '808080',
'green': '008000',
'forestgreen': '228b22',
'seagreen': '2e8b57',
'red2': 'ff3333',
'red': 'ff0000',
'dark_red': '8b0000',
'tomato': 'ff6347',
'darkred': '8b0000',
'firebrick': 'b22222',
'maroon': '800000',
'gainsboro': 'dcdcdc',
}
return utils.rgba(_names2hexs[name])
}
_colors = {key: utils.rgba(val) for key, val in _colors2hexs.items()}
def colorcode(name):
return _colors[name if name else 'gray']
_kv = (f'''
#:kivy 1.10.0
<HeaderCell>
# font_size: 18
size: self.texture_size
# size_hint_y: None
# height: 50
outline_color: {same_rgb(0.01)}
width: 50
valign: 'middle'
halign: 'center'
canvas.before:
Color:
rgb: {same_rgb(0.13)}
Rectangle:
pos: self.pos
size: self.size
<Cell>
text_size: self.size
size: self.texture_size
# font_size: '15'
# size_hint_y: None
font_color: {colorcode('gray')}
# font_name: 'sans serif'
# height: 50
# width: 50
valign: 'middle'
halign: 'center'
# outline_color: {same_rgb(0.01)}
outline_color: {same_rgb(0.001)}
canvas.before:
Color:
rgb: {same_rgb(0.06)}
Rectangle:
rgb: {same_rgb(0.03)}
RoundedRectangle:
pos: self.pos
size: self.size
radius: [7,]
<HeaderCell@Cell>
canvas.before:
Color:
rgb: {same_rgb(0.12)}
RoundedRectangle:
pos: self.pos
size: self.size
radius: [7,]
<TickerTable>
spacing: '5dp'
row_force_default: True
row_default_height: 75
# size_hint_y: None
size_hint: 1, None
cols: 1
<Row>
@ -93,8 +89,7 @@ _kv = (f'''
minimum_width: 200
row_force_default: True
row_default_height: 75
outline_color: {same_rgb(2)}
size_hint: 1, None
outline_color: {same_rgb(.7)}
''')
@ -188,7 +183,9 @@ class TickerTable(GridLayout):
super(TickerTable, self).__init__(**kwargs)
self.symbols2rows = {}
def append_row(self, record, colorname='firebrick'):
def append_row(self, record):
"""Append a `Row` of `Cell` objects to this table.
"""
row = Row(record, headers=('symbol',))
# store ref to each row
self.symbols2rows[row._last_record['symbol']] = row
@ -196,19 +193,18 @@ class TickerTable(GridLayout):
return row
def header_row(headers):
def header_row(headers, **kwargs):
"""Create a single "header" row from a sequence of keys.
"""
# process headers via first quote record
headers_dict = {key: key for key in headers}
row = Row(headers_dict, headers=headers)
row = Row(headers_dict, headers=headers, **kwargs)
return row
def ticker_table(quotes, **kwargs):
"""Create a new ticker table from a list of quote dicts.
"""
table = TickerTable(cols=1)
table = TickerTable(cols=1, **kwargs)
for ticker_record in quotes:
table.append_row(ticker_record)
return table
@ -229,9 +225,9 @@ async def update_quotes(
chngcell = row._cell_widgets['%']
daychange = float(data['%'])
if daychange < 0.:
color = colorcode('red')
color = colorcode('red2')
elif daychange > 0.:
color = colorcode('green')
color = colorcode('forestgreen')
else:
color = colorcode('gray')
@ -273,8 +269,6 @@ async def update_quotes(
for i, (data, row) in enumerate(
sorted(all_rows, key=lambda item: float(item[0]['%']))
):
# print(f"{i} {data['symbol']}")
# grid.remove_widget(row)
grid.add_widget(row, index=i)
@ -312,12 +306,18 @@ async def _async_main(tickers, brokermod):
# build out UI
Builder.load_string(_kv)
root = BoxLayout(orientation='vertical')
header = header_row(first_quotes[0].keys())
root = BoxLayout(orientation='vertical', padding=5, spacing=-20)
header = header_row(
first_quotes[0].keys(),
size_hint=(1, None),
)
root.add_widget(header)
grid = ticker_table(first_quotes)
grid = ticker_table(
first_quotes,
size_hint=(1, None),
)
grid.bind(minimum_height=grid.setter('height'))
scroll = ScrollView(bar_margin=10, viewport_size=(10, 10))
scroll = ScrollView()
scroll.add_widget(grid)
root.add_widget(scroll)
@ -356,6 +356,7 @@ def run(loglevel, broker):
'WMD.VN', 'HEMP.VN', 'CALI.CN', 'RBQ.CN',
],
}
# broker_conf_path = os.path.join(click.get_app_dir('piker'), 'watchlists.json')
# broker_conf_path = os.path.join(
# click.get_app_dir('piker'), 'watchlists.json')
# from piker.testing import _quote_streamer as brokermod
trio.run(_async_main, watchlists['cannabis'], brokermod)