From c48e9fb11abb8ebeff143fdc8a75106dba2752e5 Mon Sep 17 00:00:00 2001
From: Cris Ward <cris@duodesign.co.uk>
Date: Thu, 29 Dec 2016 00:13:09 +0000
Subject: [PATCH] partial fix for firefox scroll

---
 lib/grid2.js  | 7 +++++--
 src/grid2.tag | 5 +++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/grid2.js b/lib/grid2.js
index e33d571..d5e70c8 100644
--- a/lib/grid2.js
+++ b/lib/grid2.js
@@ -228,10 +228,13 @@ this.scrolling = (function(_this) {
     } else {
       deltaX = e.deltaX, deltaY = e.deltaY;
     }
-    if (vert) {
+    if (!deltaY) {
+      deltaY = e.detail * 2;
+    }
+    if (vert && deltaY !== 0) {
       _this.refs.overlay.scrollTop = _this.refs.overlay.scrollTop + deltaY;
     }
-    if (horiz) {
+    if (horiz && deltaX !== 0) {
       _this.refs.overlay.scrollLeft = _this.refs.overlay.scrollLeft + deltaX;
     }
     _this.refs.header.scrollLeft = _this.refs.overlay.scrollLeft;
diff --git a/src/grid2.tag b/src/grid2.tag
index 7c528c9..6b9d44a 100644
--- a/src/grid2.tag
+++ b/src/grid2.tag
@@ -200,8 +200,9 @@ grid2
         @point = point2
       else
         {deltaX,deltaY} = e
-      @refs.overlay.scrollTop = @refs.overlay.scrollTop + deltaY if vert
-      @refs.overlay.scrollLeft = @refs.overlay.scrollLeft + deltaX if horiz
+      deltaY = e.detail*2 if !deltaY #firefox hack, only works vert
+      @refs.overlay.scrollTop = @refs.overlay.scrollTop + deltaY if vert && deltaY != 0
+      @refs.overlay.scrollLeft = @refs.overlay.scrollLeft + deltaX if horiz && deltaX != 0
       @refs.header.scrollLeft = @refs.overlay.scrollLeft
       @update()