From fca99d6126c31fbb18ed9f1034cee6f940b040e8 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Tue, 10 Feb 2026 16:28:21 +0100
Subject: refactor

---
 .../src/components/editor/panels/preview/index.tsx | 141 +++++++++++++++++++--
 1 file changed, 130 insertions(+), 11 deletions(-)

(limited to 'apps/web/src/components/editor/panels/preview')

diff --git a/apps/web/src/components/editor/panels/preview/index.tsx b/apps/web/src/components/editor/panels/preview/index.tsx
index c579b15b..902547bd 100644
--- a/apps/web/src/components/editor/panels/preview/index.tsx
+++ b/apps/web/src/components/editor/panels/preview/index.tsx
@@ -4,11 +4,23 @@ import { useCallback, useMemo, useRef } from "react";
 import useDeepCompareEffect from "use-deep-compare-effect";
 import { useEditor } from "@/hooks/use-editor";
 import { useRafLoop } from "@/hooks/use-raf-loop";
+import { useContainerSize } from "@/hooks/use-container-size";
+import { useFullscreen } from "@/hooks/use-fullscreen";
 import { CanvasRenderer } from "@/services/renderer/canvas-renderer";
 import type { RootNode } from "@/services/renderer/nodes/root-node";
 import { buildScene } from "@/services/renderer/scene-builder";
-import { getLastFrameTime } from "@/lib/time";
+import { formatTimeCode, getLastFrameTime } from "@/lib/time";
 import { PreviewInteractionOverlay } from "./preview-interaction-overlay";
+import { EditableTimecode } from "@/components/editable-timecode";
+import { invokeAction } from "@/lib/actions";
+import { Button } from "@/components/ui/button";
+import {
+	FullScreenIcon,
+	PauseIcon,
+	PlayIcon,
+} from "@hugeicons/core-free-icons";
+import { HugeiconsIcon } from "@hugeicons/react";
+import { cn } from "@/utils/ui";
 
 function usePreviewSize() {
 	const editor = useEditor();
@@ -47,32 +59,134 @@ function RenderTreeController() {
 }
 
 export function PreviewPanel() {
+	const containerRef = useRef<HTMLDivElement>(null);
+	const { isFullscreen, toggleFullscreen } = useFullscreen({ containerRef });
+
 	return (
-		<div className="bg-panel relative flex h-full min-h-0 w-full min-w-0 flex-col rounded-sm">
-			<div className="flex min-h-0 min-w-0 flex-1 items-center justify-center p-2">
+		<div
+			ref={containerRef}
+			className={cn(
+				"panel bg-background relative flex h-full min-h-0 w-full min-w-0 flex-col rounded-sm border",
+				isFullscreen && "bg-background",
+			)}
+		>
+			<div className="flex min-h-0 min-w-0 flex-1 items-center justify-center p-2 pb-0">
 				<PreviewCanvas />
 				<RenderTreeController />
 			</div>
+			<PreviewToolbar
+				isFullscreen={isFullscreen}
+				onToggleFullscreen={toggleFullscreen}
+			/>
+		</div>
+	);
+}
+
+function PreviewToolbar({
+	isFullscreen,
+	onToggleFullscreen,
+}: {
+	isFullscreen: boolean;
+	onToggleFullscreen: () => void;
+}) {
+	const editor = useEditor();
+	const isPlaying = editor.playback.getIsPlaying();
+	const currentTime = editor.playback.getCurrentTime();
+	const totalDuration = editor.timeline.getTotalDuration();
+	const fps = editor.project.getActive().settings.fps;
+
+	return (
+		<div className="grid grid-cols-[1fr_auto_1fr] items-center pb-3 pt-5 px-5">
+			<div className="flex items-center mt-1">
+				<EditableTimecode
+					time={currentTime}
+					duration={totalDuration}
+					format="HH:MM:SS:FF"
+					fps={fps}
+					onTimeChange={({ time }) => editor.playback.seek({ time })}
+					className="text-center"
+				/>
+				<span className="text-muted-foreground px-2 font-mono text-xs">/</span>
+				<span className="text-muted-foreground font-mono text-xs">
+					{formatTimeCode({
+						timeInSeconds: totalDuration,
+						format: "HH:MM:SS:FF",
+						fps,
+					})}
+				</span>
+			</div>
+
+			<Button
+				variant="text"
+				size="icon"
+				type="button"
+				onClick={() => invokeAction("toggle-play")}
+			>
+				<HugeiconsIcon icon={isPlaying ? PauseIcon : PlayIcon} />
+			</Button>
+
+			<div className="justify-self-end">
+				<Button
+					variant="text"
+					size="icon"
+					type="button"
+					onClick={onToggleFullscreen}
+					title={isFullscreen ? "Exit fullscreen" : "Enter fullscreen"}
+				>
+					<HugeiconsIcon icon={FullScreenIcon} />
+				</Button>
+			</div>
 		</div>
 	);
 }
 
 function PreviewCanvas() {
 	const canvasRef = useRef<HTMLCanvasElement>(null);
+	const containerRef = useRef<HTMLDivElement>(null);
 	const lastFrameRef = useRef(-1);
 	const lastSceneRef = useRef<RootNode | null>(null);
 	const renderingRef = useRef(false);
-	const { width, height } = usePreviewSize();
+	const { width: nativeWidth, height: nativeHeight } = usePreviewSize();
+	const containerSize = useContainerSize({ containerRef });
 	const editor = useEditor();
 	const activeProject = editor.project.getActive();
 
 	const renderer = useMemo(() => {
 		return new CanvasRenderer({
-			width,
-			height,
+			width: nativeWidth,
+			height: nativeHeight,
 			fps: activeProject.settings.fps,
 		});
-	}, [width, height, activeProject.settings.fps]);
+	}, [nativeWidth, nativeHeight, activeProject.settings.fps]);
+
+	const displaySize = useMemo(() => {
+		if (
+			!nativeWidth ||
+			!nativeHeight ||
+			containerSize.width === 0 ||
+			containerSize.height === 0
+		) {
+			return { width: nativeWidth ?? 0, height: nativeHeight ?? 0 };
+		}
+
+		const paddingBuffer = 4;
+		const availableWidth = containerSize.width - paddingBuffer;
+		const availableHeight = containerSize.height - paddingBuffer;
+
+		const aspectRatio = nativeWidth / nativeHeight;
+		const containerAspect = availableWidth / availableHeight;
+
+		const displayWidth =
+			containerAspect > aspectRatio
+				? availableHeight * aspectRatio
+				: availableWidth;
+		const displayHeight =
+			containerAspect > aspectRatio
+				? availableHeight
+				: availableWidth / aspectRatio;
+
+		return { width: displayWidth, height: displayHeight };
+	}, [nativeWidth, nativeHeight, containerSize.width, containerSize.height]);
 
 	const renderTree = editor.renderer.getRenderTree();
 
@@ -109,13 +223,18 @@ function PreviewCanvas() {
 	useRafLoop(render);
 
 	return (
-		<div className="relative">
+		<div
+			ref={containerRef}
+			className="relative flex h-full w-full items-center justify-center"
+		>
 			<canvas
 				ref={canvasRef}
-				width={width}
-				height={height}
-				className="block max-h-full max-w-full border"
+				width={nativeWidth}
+				height={nativeHeight}
+				className="block border"
 				style={{
+					width: displaySize.width,
+					height: displaySize.height,
 					background:
 						activeProject.settings.background.type === "blur"
 							? "transparent"
-- 
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