From 3e89d2998588f8e35c524e523ba2ee853f0f6475 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Mon, 20 Apr 2026 11:31:17 +0200
Subject: refactor: restructure files to their domains,  new preview overlay
 system, and dep graph

---
 .../editor/panels/timeline/timeline-playhead.tsx   | 114 ---------------------
 1 file changed, 114 deletions(-)
 delete mode 100644 apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx

(limited to 'apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx')

diff --git a/apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx b/apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx
deleted file mode 100644
index d9218371..00000000
--- a/apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx
+++ /dev/null
@@ -1,114 +0,0 @@
-"use client";
-
-import { useRef } from "react";
-import {
-	getCenteredLineLeft,
-	TIMELINE_INDICATOR_LINE_WIDTH_PX,
-	timelineTimeToSnappedPixels,
-} from "@/lib/timeline";
-import { useTimelinePlayhead } from "@/hooks/timeline/use-timeline-playhead";
-import { TICKS_PER_SECOND } from "@/lib/wasm";
-import { useEditor } from "@/hooks/use-editor";
-import {
-	TIMELINE_SCROLLBAR_SIZE_PX,
-} from "./layout";
-import { TIMELINE_LAYERS } from "./layers";
-
-interface TimelinePlayheadProps {
-	zoomLevel: number;
-	hasHorizontalScrollbar: boolean;
-	rulerRef: React.RefObject<HTMLDivElement | null>;
-	rulerScrollRef: React.RefObject<HTMLDivElement | null>;
-	tracksScrollRef: React.RefObject<HTMLDivElement | null>;
-	timelineRef: React.RefObject<HTMLDivElement | null>;
-	playheadRef?: React.RefObject<HTMLDivElement | null>;
-	isSnappingToPlayhead?: boolean;
-}
-
-export function TimelinePlayhead({
-	zoomLevel,
-	hasHorizontalScrollbar,
-	rulerRef,
-	rulerScrollRef,
-	tracksScrollRef,
-	timelineRef,
-	playheadRef: externalPlayheadRef,
-	isSnappingToPlayhead = false,
-}: TimelinePlayheadProps) {
-	const editor = useEditor();
-	const duration = editor.timeline.getTotalDuration();
-	const internalPlayheadRef = useRef<HTMLDivElement>(null);
-	const playheadRef = externalPlayheadRef || internalPlayheadRef;
-
-	const { handlePlayheadMouseDown } = useTimelinePlayhead({
-		zoomLevel,
-		rulerRef,
-		rulerScrollRef,
-		tracksScrollRef,
-		playheadRef,
-	});
-
-	const timelineContainerHeight =
-		timelineRef.current?.clientHeight ??
-		tracksScrollRef.current?.clientHeight ??
-		400;
-	const totalHeight = Math.max(
-		0,
-		timelineContainerHeight -
-			(hasHorizontalScrollbar ? TIMELINE_SCROLLBAR_SIZE_PX - 5 : 0),
-	);
-
-	const currentTime = editor.playback.getCurrentTime();
-	const centerPosition = timelineTimeToSnappedPixels({
-		time: currentTime,
-		zoomLevel,
-	});
-	const scrollLeft = tracksScrollRef.current?.scrollLeft ?? 0;
-	const leftPosition =
-		getCenteredLineLeft({ centerPixel: centerPosition }) - scrollLeft;
-
-	const handlePlayheadKeyDown = (
-		event: React.KeyboardEvent<HTMLDivElement>,
-	) => {
-		if (event.key !== "ArrowLeft" && event.key !== "ArrowRight") return;
-
-		event.preventDefault();
-		const fps = editor.project.getActive().settings.fps;
-		const ticksPerFrame = Math.round(TICKS_PER_SECOND * fps.denominator / fps.numerator);
-		const direction = event.key === "ArrowRight" ? 1 : -1;
-		const now = editor.playback.getCurrentTime();
-		const nextTime = Math.max(0, Math.min(duration, now + direction * ticksPerFrame));
-
-		editor.playback.seek({ time: nextTime });
-	};
-
-	return (
-		<div
-			ref={playheadRef}
-			role="slider"
-			aria-label="Timeline playhead"
-			aria-valuemin={0}
-			aria-valuemax={duration}
-			aria-valuenow={currentTime}
-			tabIndex={0}
-			className="pointer-events-none absolute"
-			style={{
-				left: `${leftPosition}px`,
-				top: 0,
-				height: `${totalHeight}px`,
-				width: `${TIMELINE_INDICATOR_LINE_WIDTH_PX}px`,
-				zIndex: TIMELINE_LAYERS.playhead,
-			}}
-			onKeyDown={handlePlayheadKeyDown}
-		>
-			<div className="bg-primary pointer-events-none absolute left-0 h-full w-0.5" />
-
-			<button
-				type="button"
-				aria-label="Drag playhead"
-				className={`pointer-events-auto absolute top-1 left-1/2 size-3 -translate-x-1/2 transform cursor-col-resize rounded-full border-2 shadow-xs ${isSnappingToPlayhead ? "bg-primary border-primary" : "bg-primary border-primary/50"}`}
-				onMouseDown={handlePlayheadMouseDown}
-			/>
-		</div>
-	);
-}
-- 
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