Use one marker, drop old anchors, add graphics update on marker paint
Tyler Goodlet
parent
67721a5832
commit
501828d906
|
|
@ -24,14 +24,13 @@ from math import floor
|
|||
|
||||
from pyqtgraph import functions as fn
|
||||
from pydantic import BaseModel
|
||||
from PyQt5.QtCore import QPointF
|
||||
from PyQt5.QtGui import QGraphicsPathItem
|
||||
# from PyQt5.QtCore import QPointF
|
||||
# from PyQt5.QtGui import QGraphicsPathItem
|
||||
|
||||
from ._annotate import LevelMarker
|
||||
from ._anchors import (
|
||||
# marker_right_points,
|
||||
pp_tight_and_right, # wanna keep it straight in the long run
|
||||
gpath_pin,
|
||||
# keep_marker_in_view,
|
||||
)
|
||||
from ..clearing._messages import BrokerdPosition, Status
|
||||
from ..data._source import Symbol
|
||||
|
|
@ -90,10 +89,6 @@ class PositionTracker:
|
|||
|
||||
view = chart.getViewBox()
|
||||
|
||||
# create placeholder 'up' level arrow
|
||||
self._level_marker = None
|
||||
self._level_marker = self.level_marker(size=1)
|
||||
|
||||
# literally 'pp' label that's always in view
|
||||
self.pp_label = pp_label = Label(
|
||||
view=view,
|
||||
|
|
@ -102,7 +97,9 @@ class PositionTracker:
|
|||
update_on_range_change=False,
|
||||
)
|
||||
|
||||
self._level_marker.label = pp_label
|
||||
# create placeholder 'up' level arrow
|
||||
self._level_marker = None
|
||||
self._level_marker = self.level_marker(size=1)
|
||||
|
||||
pp_label.scene_anchor = partial(
|
||||
gpath_pin,
|
||||
|
|
@ -110,7 +107,6 @@ class PositionTracker:
|
|||
label=pp_label,
|
||||
)
|
||||
pp_label.render()
|
||||
pp_label.show()
|
||||
|
||||
self.size_label = size_label = Label(
|
||||
view=view,
|
||||
|
|
@ -119,7 +115,7 @@ class PositionTracker:
|
|||
# this is "static" label
|
||||
# update_on_range_change=False,
|
||||
fmt_str='\n'.join((
|
||||
'x{entry_size}',
|
||||
':{entry_size:.0f}',
|
||||
)),
|
||||
|
||||
fields={
|
||||
|
|
@ -127,12 +123,20 @@ class PositionTracker:
|
|||
},
|
||||
)
|
||||
size_label.render()
|
||||
# size_label.scene_anchor = self.align_to_marker
|
||||
|
||||
size_label.scene_anchor = lambda: (
|
||||
self.pp_label.txt.pos() + QPointF(self.pp_label.w, 0)
|
||||
size_label.scene_anchor = partial(
|
||||
pp_tight_and_right,
|
||||
label=self.pp_label,
|
||||
)
|
||||
size_label.hide()
|
||||
|
||||
# size_label.scene_anchor = self.align_to_marker
|
||||
# size_label.scene_anchor = lambda: (
|
||||
# self.pp_label.txt.pos() + QPointF(self.pp_label.w, 0)
|
||||
# )
|
||||
# size_label.scene_anchor = lambda: (
|
||||
# self.pp_label.scene_br().bottomRight() - QPointF(
|
||||
# self.size_label.w, self.size_label.h/3)
|
||||
# )
|
||||
|
||||
# TODO: if we want to show more position-y info?
|
||||
# fmt_str='\n'.join((
|
||||
|
|
@ -150,6 +154,20 @@ class PositionTracker:
|
|||
# },
|
||||
# )
|
||||
|
||||
def update_graphics(
|
||||
self,
|
||||
marker: LevelMarker
|
||||
|
||||
) -> None:
|
||||
'''Update all labels.
|
||||
|
||||
Meant to be called from the maker ``.paint()``
|
||||
for immediate, lag free label draws.
|
||||
|
||||
'''
|
||||
self.pp_label.update()
|
||||
self.size_label.update()
|
||||
|
||||
def update(
|
||||
self,
|
||||
msg: BrokerdPosition,
|
||||
|
|
@ -174,11 +192,17 @@ class PositionTracker:
|
|||
|
||||
else:
|
||||
self._level_marker.level = avg_price
|
||||
|
||||
# these updates are critical to avoid lag on view/scene changes
|
||||
self._level_marker.update() # trigger paint
|
||||
self.pp_label.update()
|
||||
self.size_label.update()
|
||||
|
||||
self.show()
|
||||
|
||||
# self.pp_label.show()
|
||||
# self._level_marker.show()
|
||||
# don't show side and status widgets unless
|
||||
# order mode is "engaged" (which done via input controls)
|
||||
self.hide_info()
|
||||
|
||||
def level(self) -> float:
|
||||
if self.line:
|
||||
|
|
@ -201,17 +225,18 @@ class PositionTracker:
|
|||
self.line.hide()
|
||||
|
||||
def hide_info(self) -> None:
|
||||
'''Hide details of position.
|
||||
'''Hide details (right now just size label?) of position.
|
||||
|
||||
'''
|
||||
# TODO: add remove status bar widgets here
|
||||
self.size_label.hide()
|
||||
|
||||
# TODO: move into annoate module
|
||||
def level_marker(
|
||||
self,
|
||||
size: float,
|
||||
|
||||
) -> QGraphicsPathItem:
|
||||
) -> LevelMarker:
|
||||
|
||||
if self._level_marker:
|
||||
self._level_marker.delete()
|
||||
|
|
@ -234,19 +259,12 @@ class PositionTracker:
|
|||
style=style,
|
||||
get_level=self.level,
|
||||
size=arrow_size,
|
||||
on_paint=self.update_graphics,
|
||||
)
|
||||
|
||||
self.chart.getViewBox().scene().addItem(arrow)
|
||||
arrow.show()
|
||||
|
||||
# arrow.label = self.pp_label
|
||||
|
||||
# inside ``LevelLine.pain()`` this is updates...
|
||||
# we need a better way to have the label updated as frequenty
|
||||
# as every paint call? Maybe use a better slot then the range
|
||||
# change?
|
||||
# self._level_marker.label = self.pp_label
|
||||
|
||||
return arrow
|
||||
|
||||
def position_line(
|
||||
|
|
@ -298,50 +316,51 @@ class PositionTracker:
|
|||
|
||||
return line
|
||||
|
||||
# TODO: we can drop this right?
|
||||
# order line endpoint anchor
|
||||
def align_to_marker(self) -> QPointF:
|
||||
# def align_to_marker(self) -> QPointF:
|
||||
|
||||
pp_line = self.line
|
||||
if pp_line:
|
||||
# pp_line = self.line
|
||||
# if pp_line:
|
||||
|
||||
# line_ep = pp_line.scene_endpoint()
|
||||
# print(line_ep)
|
||||
# # line_ep = pp_line.scene_endpoint()
|
||||
# # print(line_ep)
|
||||
|
||||
# y_level_scene = line_ep.y()
|
||||
# pp_y = pp_label.txt.pos().y()
|
||||
# # y_level_scene = line_ep.y()
|
||||
# # pp_y = pp_label.txt.pos().y()
|
||||
|
||||
# if y_level_scene > pp_y:
|
||||
# y_level_scene = pp_y
|
||||
# # if y_level_scene > pp_y:
|
||||
# # y_level_scene = pp_y
|
||||
|
||||
# elif y_level_scene
|
||||
mkr_pos = self._level_marker.pos()
|
||||
# # elif y_level_scene
|
||||
# mkr_pos = self._level_marker.pos()
|
||||
|
||||
left_of_mkr = QPointF(
|
||||
# line_ep.x() - self.size_label.w,
|
||||
mkr_pos.x() - self.size_label.w,
|
||||
mkr_pos.y(),
|
||||
# self._level_marker
|
||||
# max(0, y_level_scene),
|
||||
# min(
|
||||
# pp_label.txt.pos().y()
|
||||
# ),
|
||||
)
|
||||
return left_of_mkr
|
||||
# left_of_mkr = QPointF(
|
||||
# # line_ep.x() - self.size_label.w,
|
||||
# mkr_pos.x() - self.size_label.w,
|
||||
# mkr_pos.y(),
|
||||
# # self._level_marker
|
||||
# # max(0, y_level_scene),
|
||||
# # min(
|
||||
# # pp_label.txt.pos().y()
|
||||
# # ),
|
||||
# )
|
||||
# return left_of_mkr
|
||||
|
||||
# return QPointF(
|
||||
# # return QPointF(
|
||||
|
||||
# marker_right_points(chart)[2] - pp_label.w ,
|
||||
# view.height() - pp_label.h,
|
||||
# # br.x() - pp_label.w,
|
||||
# # br.y(),
|
||||
# )
|
||||
# # marker_right_points(chart)[2] - pp_label.w ,
|
||||
# # view.height() - pp_label.h,
|
||||
# # # br.x() - pp_label.w,
|
||||
# # # br.y(),
|
||||
# # )
|
||||
|
||||
else:
|
||||
# pp = _lines._pp_label.txt
|
||||
# scene_rect = pp.mapToScene(pp.boundingRect()).boundingRect()
|
||||
# br = scene_rect.bottomRight()
|
||||
# else:
|
||||
# # pp = _lines._pp_label.txt
|
||||
# # scene_rect = pp.mapToScene(pp.boundingRect()).boundingRect()
|
||||
# # br = scene_rect.bottomRight()
|
||||
|
||||
return QPointF(0, 0)
|
||||
# return QPointF(0, 0)
|
||||
|
||||
def update_line(
|
||||
self,
|
||||
|
|
|
|||
Loading…
Reference in New Issue