From 6c19dbb6bbec9de52d1610dbdf54d81251e804b7 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Fri, 11 Jul 2025 01:37:42 +0200
Subject: feat: selection box

---
 apps/web/src/components/editor/selection-box.tsx | 58 ++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 apps/web/src/components/editor/selection-box.tsx

(limited to 'apps/web/src/components/editor/selection-box.tsx')

diff --git a/apps/web/src/components/editor/selection-box.tsx b/apps/web/src/components/editor/selection-box.tsx
new file mode 100644
index 00000000..5c452f7c
--- /dev/null
+++ b/apps/web/src/components/editor/selection-box.tsx
@@ -0,0 +1,58 @@
+"use client";
+
+import { useEffect, useRef } from "react";
+
+interface SelectionBoxProps {
+  startPos: { x: number; y: number } | null;
+  currentPos: { x: number; y: number } | null;
+  containerRef: React.RefObject<HTMLElement>;
+  isActive: boolean;
+}
+
+export function SelectionBox({
+  startPos,
+  currentPos,
+  containerRef,
+  isActive,
+}: SelectionBoxProps) {
+  const selectionBoxRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    if (!isActive || !startPos || !currentPos || !containerRef.current) return;
+
+    const container = containerRef.current;
+    const containerRect = container.getBoundingClientRect();
+
+    // Calculate relative positions within the container
+    const startX = startPos.x - containerRect.left;
+    const startY = startPos.y - containerRect.top;
+    const currentX = currentPos.x - containerRect.left;
+    const currentY = currentPos.y - containerRect.top;
+
+    // Calculate the selection rectangle bounds
+    const left = Math.min(startX, currentX);
+    const top = Math.min(startY, currentY);
+    const width = Math.abs(currentX - startX);
+    const height = Math.abs(currentY - startY);
+
+    // Update the selection box position and size
+    if (selectionBoxRef.current) {
+      selectionBoxRef.current.style.left = `${left}px`;
+      selectionBoxRef.current.style.top = `${top}px`;
+      selectionBoxRef.current.style.width = `${width}px`;
+      selectionBoxRef.current.style.height = `${height}px`;
+    }
+  }, [startPos, currentPos, isActive, containerRef]);
+
+  if (!isActive || !startPos || !currentPos) return null;
+
+  return (
+    <div
+      ref={selectionBoxRef}
+      className="absolute pointer-events-none z-50"
+      style={{
+        backgroundColor: "hsl(var(--foreground) / 0.1)",
+      }}
+    />
+  );
+}
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