Use `QFormLayout` instead of rolling our own; add pp and feed status sections

fsp_feeds
Tyler Goodlet 2021-07-30 10:50:05 -04:00
parent 318f3b45c5
commit e005c8b345
1 changed files with 160 additions and 69 deletions

View File

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