From abac60a0f438c315ab4ddf80b741d4ea4c5e5d09 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Sun, 18 Dec 2022 19:50:07 -0500
Subject: [PATCH] Drop coordinate cacheing from `BarItems`, causes weird jitter
 on pan

---
 piker/ui/_ohlc.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/piker/ui/_ohlc.py b/piker/ui/_ohlc.py
index f717b1a5..288af70d 100644
--- a/piker/ui/_ohlc.py
+++ b/piker/ui/_ohlc.py
@@ -118,9 +118,11 @@ class BarItems(pg.GraphicsObject):
         self.last_bar_pen = pg.mkPen(hcolor(last_bar_color), width=2)
         self._name = name
 
-        self.setCacheMode(QtWidgets.QGraphicsItem.DeviceCoordinateCache)
-        self.path = QPainterPath()
+        # XXX: causes this weird jitter bug when click-drag panning
+        # where the path curve will awkwardly flicker back and forth?
+        # self.setCacheMode(QtWidgets.QGraphicsItem.DeviceCoordinateCache)
 
+        self.path = QPainterPath()
         self._last_bar_lines: tuple[QLineF, ...] | None = None
 
     def x_uppx(self) -> int: