feat: selection box

1 files changed, 58 insertions, 0 deletions

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)",

+      }}

+    />

+  );

+}