From c1df87582d08202f53217b5de92b1bfc510446c6 Mon Sep 17 00:00:00 2001
From: caribaud <christian@aribaud.net>
Date: Fri, 26 May 2023 23:32:11 +0200
Subject: [PATCH] Change scrolling behaviour

---
 melpomene.js | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/melpomene.js b/melpomene.js
index 04ac503..1ca0744 100644
--- a/melpomene.js
+++ b/melpomene.js
@@ -459,7 +459,19 @@ function handleKeyPress(key){
 
 }
 
-function handleMouseWhell(deltaY){
+function handleMouseWhell(event){
+    
+    // Only handle scroll event if the target is the nav controls
+    // to avoid preventing page scrolling.
+    
+    // Do disable page scrolling when we do prev/next, though 
+    
+    if (! READER_FRAME.contains(event.target)){
+        return
+    }
+    
+    event.preventDefault()
+    event.stopPropagation()
     
     if (MOUSEWHELL_WAIT){
         return
@@ -470,7 +482,7 @@ function handleMouseWhell(deltaY){
         }, MOUSEWHELL_MIN_DELAY)
     }
     
-    if (deltaY > 0) {
+    if (event.deltaY > 0) {
         moveReader(true, false)
     }
     
@@ -497,5 +509,5 @@ addEventListener("keydown", (event) => {
 });
 
 addEventListener("wheel", (event) => {
-    handleMouseWhell(event.deltaY)
-});
+    handleMouseWhell(event)
+}, { passive:false });