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Type annot and docs updates in anchors mod

vlm_plotz
Tyler Goodlet 2022-01-17 18:51:58 -05:00
parent cad3fdc3b9
commit e8cad45952
1 changed files with 18 additions and 12 deletions
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30
piker/ui/_anchors.py
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@ -18,21 +18,26 @@
Anchor funtions for UI placement of annotions. Anchor funtions for UI placement of annotions.
''' '''
from typing import Callable from __future__ import annotations
from typing import Callable, TYPE_CHECKING
from PyQt5.QtCore import QPointF from PyQt5.QtCore import QPointF
from PyQt5.QtWidgets import QGraphicsPathItem from PyQt5.QtWidgets import QGraphicsPathItem
from ._label import Label if TYPE_CHECKING:
from ._axes import PriceAxis
from ._chart import ChartPlotWidget
from ._label import Label
def marker_right_points( def marker_right_points(
chart: ChartPlotWidget, # noqa
chart: 'ChartPlotWidget', # noqa
marker_size: int = 20, marker_size: int = 20,
) -> (float, float, float): ) -> (float, float, float):
'''Return x-dimension, y-axis-aware, level-line marker oriented scene values. '''
Return x-dimension, y-axis-aware, level-line marker oriented scene
values.
X values correspond to set the end of a level line, end of X values correspond to set the end of a level line, end of
a paried level line marker, and the right most side of the "right" a paried level line marker, and the right most side of the "right"
@ -57,16 +62,17 @@ def vbr_left(
label: Label, label: Label,
) -> Callable[..., float]: ) -> Callable[..., float]:
"""Return a closure which gives the scene x-coordinate for the '''
leftmost point of the containing view box. Return a closure which gives the scene x-coordinate for the leftmost
point of the containing view box.
""" '''
return label.vbr().left return label.vbr().left
def right_axis( def right_axis(
chart: 'ChartPlotWidget', # noqa chart: ChartPlotWidget, # noqa
label: Label, label: Label,
side: str = 'left', side: str = 'left',
@ -141,13 +147,13 @@ def gpath_pin(
return path_br.bottomRight() - QPointF(label.w, label.h / 6) return path_br.bottomRight() - QPointF(label.w, label.h / 6)
def pp_tight_and_right( def pp_tight_and_right(
label: Label label: Label
) -> QPointF: ) -> QPointF:
'''Place *just* right of the pp label. '''
Place *just* right of the pp label.
''' '''
txt = label.txt # txt = label.txt
return label.txt.pos() + QPointF(label.w - label.h/3, 0) return label.txt.pos() + QPointF(label.w - label.h/3, 0)