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Code Issues 5 Pull Requests 7 Packages Projects Releases Wiki Activity

Just always use a lambda ; it's innocuous

fsp_feeds
Tyler Goodlet 2021-07-27 10:41:51 -04:00
parent b6c68e381d
commit 318f3b45c5
1 changed files with 32 additions and 61 deletions
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71
piker/ui/_chart.py
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@ -412,9 +412,14 @@ class LinkedSplits(QWidget):
self.xaxis.hide()
self.xaxis = xaxis
if sidepane:
class LambdaQFrame(QFrame):
'''One-off ``QFrame`` which composes a layout
of a chart + sidepane ``FieldsForm`` (if provided).
class ChartandPane(QFrame):
'''
sidepane: FieldsForm
hbox: QtGui.QHBoxLayout
chart: Optional['ChartPlotWidget'] = None
def __init__(
self,
@ -424,40 +429,14 @@ class LinkedSplits(QWidget):
super().__init__(parent)
# self.chart = cpw
self.sidepane = sidepane
# cpw.chart_and_pane = self
# self.setStyleSheet(
# f"""QFrame {{
# color : {hcolor('default_darkest')};
# background-color : {hcolor('default_darkest')};
# }}
# """
# )
hbox = self.hbox = QtGui.QHBoxLayout(self)
hbox.setAlignment(Qt.AlignTop | Qt.AlignLeft)
hbox.setContentsMargins(0, 0, 0, 0)
hbox.setSpacing(3)
def sizeHint(self) -> QtCore.QSize:
return self.chart.sizeHint() + sidepane.sizeHint()
paned_chart = ChartandPane(parent=self.splitter)
# splitter_widget = QWidget(self)
# splitter_widget.setSizePolicy(
# QSizePolicy.Expanding,
# QSizePolicy.Expanding,
# )
# hbox = QtGui.QHBoxLayout(splitter_widget)
# hbox.setAlignment(Qt.AlignTop | Qt.AlignRight)
# hbox.setContentsMargins(0, 0, 0, 0)
# hbox.setSpacing(3)
# else:
# splitter_widget = cpw
qframe = LambdaQFrame(self.splitter)
cpw = ChartPlotWidget(
@ -467,8 +446,7 @@ class LinkedSplits(QWidget):
data_key=array_key or name,
array=array,
# parent=self.splitter,
parent=paned_chart if sidepane else self.splitter,
parent=qframe,
linkedsplits=self,
axisItems={
'bottom': xaxis,
@ -479,26 +457,17 @@ class LinkedSplits(QWidget):
**cpw_kwargs,
)
qframe.chart = cpw
qframe.hbox.addWidget(cpw)
# add sidepane **after** chart; place it on axis side
if sidepane:
paned_chart.chart = cpw
paned_chart.hbox.addWidget(cpw)
# hbox.addWidget(cpw)
paned_chart.hbox.addWidget(
qframe.hbox.addWidget(
sidepane,
alignment=Qt.AlignTop
)
cpw.sidepane = sidepane
# splitter_widget.setMinimumHeight(cpw.height())
# splitter_widget.setMinimumWidth(cpw.width())
# splitter_widget.show()
# hbox.addWidget(cpw)
# hbox.addWidget(sidepane)
# cpw.sidepane = sidepane
# cpw.hbox = hbox
# give viewbox as reference to chart
# allowing for kb controls and interactions on **this** widget
# (see our custom view mode in `._interactions.py`)
@ -534,8 +503,11 @@ class LinkedSplits(QWidget):
# track by name
self.subplots[name] = cpw
if sidepane:
# TODO: use a "panes" collection to manage this?
sidepane.setMinimumWidth(self.chart.sidepane.width())
self.splitter.addWidget(paned_chart if sidepane else cpw)
self.splitter.addWidget(qframe)
# scale split regions
self.set_split_sizes()
@ -683,8 +655,6 @@ class ChartPlotWidget(pg.PlotWidget):
a = self._arrays['ohlc']
lbar = max(l, a[0]['index'])
rbar = min(r, a[-1]['index'])
# lbar = max(l, 0)
# rbar = min(r, len(self._arrays['ohlc']))
return l, lbar, rbar, r
def default_view(
@ -789,6 +759,7 @@ class ChartPlotWidget(pg.PlotWidget):
pdi_kwargs.update(_pdi_defaults)
data_key = array_key or name
# curve = pg.PlotDataItem(
# curve = pg.PlotCurveItem(
curve = FastAppendCurve(
@ -824,7 +795,7 @@ class ChartPlotWidget(pg.PlotWidget):
# register curve graphics and backing array for name
self._graphics[name] = curve
self._arrays[name] = data
self._arrays[data_key or name] = data
if overlay:
anchor_at = ('bottom', 'left')
@ -843,7 +814,7 @@ class ChartPlotWidget(pg.PlotWidget):
if add_label:
self.linked.cursor.contents_labels.add_label(
self,
name,
data_key or name,
anchor_at=anchor_at
)