Use `QFormLayout` instead of rolling our own; add pp and feed status sections
Tyler Goodlet
parent
318f3b45c5
commit
e005c8b345
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@ -18,9 +18,11 @@
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Text entry "forms" widgets (mostly for configuration and UI user input).
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'''
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from functools import partial
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from typing import Optional
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from contextlib import asynccontextmanager
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from functools import partial
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from textwrap import dedent
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import math
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from typing import Optional
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import trio
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from PyQt5 import QtCore, QtGui
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@ -163,23 +165,32 @@ class FieldsForm(QWidget):
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# size it as we specify
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self.setSizePolicy(
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QSizePolicy.Fixed,
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QSizePolicy.Fixed,
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QSizePolicy.Expanding,
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QSizePolicy.Expanding,
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)
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# self.setMaximumHeight(30)
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self.setMaximumWidth(166)
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# self.setMaximumWidth(166)
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# split layout for the (label:| text bar entry)
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self.vbox = QtGui.QVBoxLayout(self)
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self.vbox.setAlignment(Qt.AlignTop)
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self.vbox.setContentsMargins(0, 0, 4, 0)
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self.vbox.setSpacing(3)
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self.vbox.setContentsMargins(0, 4, 4, 0)
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self.vbox.setSpacing(0)
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# split layout for the (<label>: |<widget>|) parameters entry
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self.form = QtGui.QFormLayout(self)
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self.form.setAlignment(Qt.AlignCenter | Qt.AlignLeft)
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self.form.setContentsMargins(0, 0, 0, 0)
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self.form.setSpacing(4)
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self.form.setHorizontalSpacing(0)
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# self.vbox.addStretch()
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self.vbox.addLayout(self.form)
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self.labels: dict[str, QLabel] = {}
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self.fields: dict[str, QWidget] = {}
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self._font_size = _font_small.px_size - 2
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self.vbox.addSpacing(0.375 * self._font_size)
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self._max_item_width: (float, float) = 0, 0
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def add_field_label(
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@ -193,9 +204,7 @@ class FieldsForm(QWidget):
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) -> QtGui.QLabel:
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# add label to left of search bar
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self.label = label = QtGui.QLabel(parent=self)
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label.setTextFormat(Qt.MarkdownText) # markdown
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label.setFont(_font.font)
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self.label = label = QtGui.QLabel()
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font_size = font_size or self._font_size - 3
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label.setStyleSheet(
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f"""QLabel {{
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@ -204,7 +213,9 @@ class FieldsForm(QWidget):
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}}
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"""
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)
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label.setMargin(4)
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label.setFont(_font.font)
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label.setTextFormat(Qt.MarkdownText) # markdown
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label.setMargin(0)
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label.setText(name)
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@ -212,9 +223,8 @@ class FieldsForm(QWidget):
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QtCore.Qt.AlignVCenter
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| QtCore.Qt.AlignLeft
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)
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label.show()
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self.vbox.addWidget(label, **vbox_kwargs)
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# self.vbox.addWidget(label, **vbox_kwargs)
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self.labels[name] = label
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return label
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@ -230,12 +240,10 @@ class FieldsForm(QWidget):
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) -> FontAndChartAwareLineEdit:
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# TODO: maybe a distint layout per "field" item?
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self.add_field_label(name)
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label = self.add_field_label(name)
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edit = FontAndChartAwareLineEdit(
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parent=self,
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# parent_chart=self.godwidget,
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# width_in_chars=6,
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)
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edit.setStyleSheet(
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f"""QLineEdit {{
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@ -245,7 +253,8 @@ class FieldsForm(QWidget):
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"""
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)
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edit.setText(str(value))
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self.vbox.addWidget(edit)
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# self.vbox.addWidget(edit)
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self.form.addRow(label, edit)
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self.fields[name] = edit
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@ -260,7 +269,7 @@ class FieldsForm(QWidget):
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) -> QComboBox:
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# TODO: maybe a distint layout per "field" item?
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self.add_field_label(name)
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label = self.add_field_label(name)
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select = QComboBox(self)
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@ -301,15 +310,16 @@ class FieldsForm(QWidget):
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select.show()
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self.vbox.addWidget(select)
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# self.vbox.addWidget(select)
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self.form.addRow(label, select)
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return select
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async def handle_field_input(
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# chart: 'ChartPlotWidget', # noqa
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widget: QWidget,
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# last_widget: QWidget, # had focus prior
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recv_chan: trio.abc.ReceiveChannel,
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form: FieldsForm,
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@ -318,22 +328,20 @@ async def handle_field_input(
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async for event, etype, key, mods, txt in recv_chan:
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print(f'key: {key}, mods: {mods}, txt: {txt}')
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# default controls set
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ctl = False
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if mods == Qt.ControlModifier:
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ctl = True
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# cancel and close
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if ctl and key in {
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if ctl and key in { # cancel and refocus
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Qt.Key_C,
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Qt.Key_Space, # i feel like this is the "native" one
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Qt.Key_Space, # i feel like this is the "native" one
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Qt.Key_Alt,
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}:
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# search.bar.unfocus()
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# kill the search and focus back on main chart
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# kill the widget focus and go back to main chart
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widget.clearFocus()
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form.godwidget.linkedsplits.focus()
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continue
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@ -379,31 +387,129 @@ async def open_form(
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def mk_health_bar(
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form: FieldsForm,
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fields: FieldsForm,
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) -> FieldsForm:
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form.vbox.addSpacing(6)
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form.add_field_label('fill status', alignment=Qt.AlignCenter)
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form.vbox.addSpacing(6)
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# fh = form.form.sizeHint().height()
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fill_bar = QProgressBar(form)
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import math
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w, h = fields.width(), fields.height()
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print(f'w, h: {w, h}')
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# TODO: spec this based on remaining space?
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# fields.vbox.addSpacing(36)
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fields.vbox.addSpacing((5/8) * h)
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# title label
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pps_label = fields.add_field_label(
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'pps',
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font_size=_font_small.px_size,
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)
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# indent = 18
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bracket_val = 0.375 * w
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indent = bracket_val / 1.625
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section_hbox = QtGui.QHBoxLayout(fields)
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section_hbox.addSpacing(indent - 2) # pair with bar indent
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section_hbox.addWidget(
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pps_label,
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alignment=Qt.AlignLeft | Qt.AlignTop,
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)
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# fields.vbox.addWidget(
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# label,
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# alignment=Qt.AlignLeft | Qt.AlignTop
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# )
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fields.vbox.addLayout(section_hbox)
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# TODO: spec this based on remaining space?
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fields.vbox.addSpacing(6)
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hbox = QtGui.QHBoxLayout(fields)
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hbox.addSpacing(indent) # push to right a bit
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# config
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hbox.setSpacing(indent * 0.375)
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hbox.setAlignment(Qt.AlignTop | Qt.AlignLeft)
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hbox.setContentsMargins(0, 0, 0, 0)
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# info label on RHS
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# {30}% PnL\n
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# TODO: use percentage str formatter:
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#https://docs.python.org/3/library/string.html#grammar-token-precision
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top_label = fields.add_field_label(
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dedent(f"""
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{3.32:.1f}% port
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"""),
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font_size=_font.px_size - 5,
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)
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bottom_label = fields.add_field_label(
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dedent(f"""
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{5e3/4/1e3:.1f}k step\n
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"""),
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font_size=_font.px_size - 5,
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)
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bar = QProgressBar(fields)
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hbox.addWidget(bar, alignment=Qt.AlignLeft | Qt.AlignTop)
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bar_label_vbox = QtGui.QVBoxLayout(fields)
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bar_label_vbox.addWidget(
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top_label,
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alignment=Qt.AlignLeft | Qt.AlignTop
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)
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bar_label_vbox.addWidget(
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bottom_label,
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alignment=Qt.AlignLeft | Qt.AlignBottom
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)
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hbox.addLayout(bar_label_vbox)
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fields.vbox.addLayout(hbox) # add status bar to form
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fields.vbox.addSpacing(36) # add status bar to form
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feed_label = fields.add_field_label(
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dedent("""
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brokerd.ib\n
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|_@localhost:8509\n
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|_consumers: 4\n
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|_streams: 9\n
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"""),
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font_size=_font.px_size - 5,
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)
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fields.vbox.addSpacing(3/8 * h)
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# add feed info label
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fields.vbox.addWidget(
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feed_label,
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alignment=Qt.AlignBottom,
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)
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# compute "chunk" sizes for fill-status-bar based on some static height
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slots = 4
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border_size_px = 2
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slot_margin_px = 2 # 1.375
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h = 150 #+ (2*2 + slot_margin_px*slots*2)
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# multiples, r = divmod(h, slots)
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slot_height_px = math.floor((h - 2*border_size_px)/slots) - slot_margin_px*1
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slot_margin_px = 2
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fill_bar.setOrientation(Qt.Vertical)
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fill_bar.setStyleSheet(
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# TODO: compute "used height" thus far and mostly fill the rest
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h = 200
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slot_height_px = math.floor(
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(h - 2*border_size_px)/slots
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) - slot_margin_px*1
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bar.setOrientation(Qt.Vertical)
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bar.setStyleSheet(
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f"""
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QProgressBar {{
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text-align: center;
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font-size : {form._font_size - 2}px;
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font-size : {fields._font_size - 2}px;
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background-color: {hcolor('papas_special')};
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color : {hcolor('papas_special')};
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@ -423,35 +529,20 @@ def mk_health_bar(
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height: {slot_height_px}px;
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}}
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"""
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# margin-bottom: {slot_margin_px*2}px;
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# margin-top: {slot_margin_px*2}px;
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# color: #19232D;
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# QProgressBar::chunk:disabled {{
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# background-color: #26486B;
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# color: #9DA9B5;
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# border-radius: 4px;
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# height: 20px;
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# }}
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# margin-top: 3px;
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# margin-bottom: 3px;
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# width: 10px;
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# color: #E0E1E3;
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# background-color: #19232D;
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# color : {hcolor('gunmetal')};
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# background-color: {hcolor('bracket')};
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# color: {hcolor('bracket')};
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)
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fill_bar.setRange(0, slots)
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fill_bar.setValue(slots)
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fill_bar.setFormat('')
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fill_bar.setMinimumHeight(h)
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fill_bar.setMaximumHeight(h + slots*slot_margin_px)
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fill_bar.setMinimumWidth(36)
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form.vbox.addWidget(fill_bar, alignment=Qt.AlignCenter)
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# margin-bottom: {slot_margin_px*2}px;
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# margin-top: {slot_margin_px*2}px;
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# color: #19232D;
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# width: 10px;
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# form.vbox.addStretch()
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return form
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bar.setRange(0, slots)
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bar.setValue(slots)
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bar.setFormat('')
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bar.setMinimumHeight(h)
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bar.setMaximumHeight(h + slots*slot_margin_px)
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bar.setMinimumWidth(bracket_val)
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bar.setMaximumWidth(bracket_val)
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return fields
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