From 2589a1db13b4a385cdbcbb05c83c9e00b178779b Mon Sep 17 00:00:00 2001
From: Chris Amow <chris@amow.com>
Date: Sun, 16 Aug 2026 21:56:42 -0500
Subject: [PATCH] vertical drag fix

---
 static/chart.js | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/static/chart.js b/static/chart.js
index a4907d1..c1a5fe3 100644
--- a/static/chart.js
+++ b/static/chart.js
@@ -189,8 +189,18 @@ class ConfluenceChart {
         },
       },
       rightPriceScale: { borderVisible: false },
-      handleScale: { pinch: false },
-      handleScroll: { horzTouchDrag: false, vertTouchDrag: false },
+      handleScale: {
+        mouseWheel: true,
+        pinch: false,
+        axisPressedMouseMove: true,
+        axisDoubleClickReset: true,
+      },
+      handleScroll: {
+        mouseWheel: true,
+        pressedMouseMove: true,
+        horzTouchDrag: false,
+        vertTouchDrag: false,
+      },
       // Every price-bearing series shares this scale. A second autoscaled price
       // axis can place the same numeric price at a different y, which makes
       // daily context look comparable to intraday price when it is not.
@@ -796,6 +806,7 @@ class ConfluenceChart {
       this.renderAnchorHandles();
       this.renderComments();
       this.renderContextLabels();
+      this.updateCurrentPrice(this.lastCurrentPrice);
     };
     this.touchEndListener = event => {
       if (event.touches.length < 2 && this.touchTwo) {
@@ -1225,8 +1236,18 @@ class ConfluenceChart {
   armTool(tool) {
     this.armedTool = tool;
     this.chart.applyOptions({
-      handleScroll: tool ? false : { horzTouchDrag: false, vertTouchDrag: false },
-      handleScale: tool ? false : { pinch: false },
+      handleScroll: tool ? false : {
+        mouseWheel: true,
+        pressedMouseMove: true,
+        horzTouchDrag: false,
+        vertTouchDrag: false,
+      },
+      handleScale: tool ? false : {
+        mouseWheel: true,
+        pinch: false,
+        axisPressedMouseMove: true,
+        axisDoubleClickReset: true,
+      },
     });
     this.hideSnapDot();
     this.chartEl.classList.toggle('armed', Boolean(tool));