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Add `.update_graphics_from_array()` flags for setting view-range use and graphics rendering

only_draw_iv_for_ohlc
Tyler Goodlet 2022-04-04 13:47:34 -04:00
parent 596533b403
commit 8e6fda0049
1 changed files with 13 additions and 4 deletions
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17
piker/ui/_chart.py
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@ -958,6 +958,7 @@ class ChartPlotWidget(pg.PlotWidget):
def increment_view( def increment_view(
self, self,
steps: int = 1, steps: int = 1,
vb: Optional[ChartView] = None,
) -> None: ) -> None:
""" """
@ -966,7 +967,8 @@ class ChartPlotWidget(pg.PlotWidget):
""" """
l, r = self.view_range() l, r = self.view_range()
self.view.setXRange( view = vb or self.view
view.setXRange(
min=l + steps, min=l + steps,
max=r + steps, max=r + steps,
@ -1043,6 +1045,7 @@ class ChartPlotWidget(pg.PlotWidget):
) )
pi.hideButtons() pi.hideButtons()
# cv.enable_auto_yrange(self.view)
cv.enable_auto_yrange() cv.enable_auto_yrange()
# compose this new plot's graphics with the current chart's # compose this new plot's graphics with the current chart's
@ -1187,6 +1190,9 @@ class ChartPlotWidget(pg.PlotWidget):
array: Optional[np.ndarray] = None, array: Optional[np.ndarray] = None,
array_key: Optional[str] = None, array_key: Optional[str] = None,
use_vr: bool = True,
render: bool = True,
**kwargs, **kwargs,
) -> pg.GraphicsObject: ) -> pg.GraphicsObject:
@ -1223,14 +1229,17 @@ class ChartPlotWidget(pg.PlotWidget):
# to_draw = array[lbar - ifirst:(rbar - ifirst) + 1] # to_draw = array[lbar - ifirst:(rbar - ifirst) + 1]
in_view = array[lbar_i: rbar_i + 1] in_view = array[lbar_i: rbar_i + 1]
if not in_view.size: if (
not in_view.size
or not render
):
return graphics return graphics
if isinstance(graphics, BarItems): if isinstance(graphics, BarItems):
graphics.update_from_array( graphics.update_from_array(
array, array,
in_view, in_view,
view_range=(lbar_i, rbar_i), view_range=(lbar_i, rbar_i) if use_vr else None,
**kwargs, **kwargs,
) )
@ -1242,7 +1251,7 @@ class ChartPlotWidget(pg.PlotWidget):
x_iv=in_view['index'], x_iv=in_view['index'],
y_iv=in_view[data_key], y_iv=in_view[data_key],
view_range=(lbar_i, rbar_i), view_range=(lbar_i, rbar_i) if use_vr else None,
**kwargs **kwargs
) )