# piker: trading gear for hackers # Copyright (C) Tyler Goodlet (in stewardship for piker0) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see . """ Feed status and controls widget(s) for embedding in a UI-pane. """ from __future__ import annotations from textwrap import dedent from typing import TYPE_CHECKING # from PyQt5.QtCore import Qt from ._style import _font, _font_small # from ..calc import humanize from ._label import FormatLabel if TYPE_CHECKING: from ._chart import ChartPlotWidget from ..data.feed import Feed from ._forms import FieldsForm def mk_feed_label( form: FieldsForm, feed: Feed, chart: ChartPlotWidget, ) -> FormatLabel: ''' Generate a label from feed meta-data to be displayed in a UI sidepane. TODO: eventually buttons for changing settings over a feed control protocol. ''' status = feed.status assert status msg = dedent(""" actor: **{actor_name}**\n |_ @**{host}:{port}**\n """) for key, val in status.items(): if key in ('host', 'port', 'actor_name'): continue msg += f'\n|_ {key}: **{{{key}}}**\n' feed_label = FormatLabel( fmt_str=msg, # |_ streams: **{symbols}**\n font=_font.font, font_size=_font_small.px_size, font_color='default_lightest', ) # form.vbox.setAlignment(feed_label, Qt.AlignBottom) # form.vbox.setAlignment(Qt.AlignBottom) _ = chart.height() - ( form.height() + form.fill_bar.height() # feed_label.height() ) feed_label.format(**feed.status) return feed_label