From 84450419c118e7854ffb8c18cb43013a323165ba Mon Sep 17 00:00:00 2001
From: MathieuG-P <40181755+Zagrios@users.noreply.github.com>
Date: Tue, 8 Nov 2022 22:39:00 +0100
Subject: [PATCH] scroll by mouse position

---
 .../map-item.component.tsx                    | 23 +++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/renderer/components/maps-mangement-components/map-item.component.tsx b/src/renderer/components/maps-mangement-components/map-item.component.tsx
index 3c10ee7d..1f293db6 100644
--- a/src/renderer/components/maps-mangement-components/map-item.component.tsx
+++ b/src/renderer/components/maps-mangement-components/map-item.component.tsx
@@ -6,6 +6,7 @@ import { LinkOpenerService } from "renderer/services/link-opener.service";
 import { BsmLink } from "../shared/bsm-link.component";
 import { BsmIcon } from "../svgs/bsm-icon.component";
 import { BsmButton } from "../shared/bsm-button.component";
+import { MouseEventHandler } from "react";
 
 export type MapItemProps = {
     hash: string,
@@ -46,20 +47,38 @@ export function MapItem({hash, title, autor, coverUrl, songUrl, autorLink, mapId
         const colorPill = diffColors[diff] ?? "";
 
         return (
-            <li className="h-5 flex justify-center items-center gap-1 rounded-full px-2" style={{backgroundColor: colorPill}}>
+            <li className="h-5 flex justify-center items-center gap-1 rounded-full px-2 active:brightness-75" style={{backgroundColor: colorPill}}>
                 <BsmIcon className="h-4 w-4" icon="bsMapDifficulty"/>
                 <span className="text-xs mb-[1.5px]">{diff === "ExpertPlus" ? "Expert+" : diff}</span>
             </li>
         )
     }
 
+    const scrollDiffs = (e: React.MouseEvent<HTMLOListElement, MouseEvent>) => {
+        
+        const el = e.currentTarget;
+        const rect = e.currentTarget.getBoundingClientRect();
+
+        console.log(el.scrollHeight - (el.scrollWidth - el.clientWidth))
+
+        let yProgress = (((e.clientX - rect.left) - ((el.clientWidth / el.scrollWidth) * 100)) / (rect.width));
+
+        yProgress = yProgress < 0 ? 0 : yProgress > 1 ? 1 : yProgress; 
+
+        e.currentTarget.scrollTo({left: e.currentTarget.scrollWidth * yProgress})
+    }
+
+    const resetScrollDiffs = (e: React.MouseEvent<HTMLOListElement, MouseEvent>) => {
+        e.currentTarget.scrollTo({left: 0, behavior: "smooth"});
+    }
+
     return (
         <li className="bg-main-color-1 rounded-md flex flex-row h-[120px] min-w-[400px] shrink overflow-hidden grow text-white basis-0">
             <BsmImage className="" image={coverUrl}/>
             <div className="h-full flex flex-col grow px-3 min-w-0 shrink">
                 <h1 className={`font-bold overflow-hidden text-ellipsis whitespace-nowrap ${mapId && "cursor-pointer hover:underline"}`} style={{textDecorationColor: color}}>{title}</h1>
                 {renderAutor()}
-                <ol className="flex pb-1 gap-2 scrollbar scrollbar-width-[4px] scrollbar-thumb-black scrollbar-track-transparent" style={{scrollbarGutter: "stable", }}>
+                <ol className="flex pb-1 gap-2 overflow-x-scroll scrollbar scrollbar-thin" style={{scrollbarGutter: "stable", }} onMouseMove={scrollDiffs} onMouseLeave={resetScrollDiffs}>
                     {Array.from(diffs.entries()).map(([charac, diffs]) => diffs.map(diff => renderDiff(charac, diff)))}
                 </ol> 
             </div>