From a81b51b14274f88e0d79ded3bbe7158f1b02bb4e Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Tue, 28 Feb 2023 16:02:27 -0500
Subject: [PATCH] Fix focal min calc after switching to `Viz.datums_range()`..

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

diff --git a/piker/ui/_interaction.py b/piker/ui/_interaction.py
index 9d844204..6de25aa8 100644
--- a/piker/ui/_interaction.py
+++ b/piker/ui/_interaction.py
@@ -509,7 +509,7 @@ class ChartView(ViewBox):
 
         # don't zoom more then the min points setting
         viz = chart.get_viz(chart.name)
-        _, vl, lbar, rbar, vr, _ = viz.datums_range()
+        _, vl, lbar, rbar, vr, r = viz.datums_range()
 
         # TODO: max/min zoom limits incorporating time step size.
         # rl = vr - vl
@@ -556,7 +556,7 @@ class ChartView(ViewBox):
             xl = viz.graphics.x_last()
             focal = min(
                 xl,
-                vr,
+                r,
             )
 
             self._resetTarget()