feat: implement draggable functionality for ThreadChat component

app/src/components/ui/collaboration/ThreadChat.tsx

@@ -6,12 +6,15 @@ import { adjustHeight } from "./function/textAreaHeightAdjust";
 
 const ThreadChat: React.FC = () => {
   const [openThreadOptions, setOpenThreadOptions] = useState(false);
-
   const [inputActive, setInputActive] = useState(false);
-
   const [value, setValue] = useState<string>("");
 
   const textareaRef = useRef<HTMLTextAreaElement>(null);
+  const wrapperRef = useRef<HTMLDivElement>(null);
+
+  const [dragging, setDragging] = useState(false);
+  const [dragOffset, setDragOffset] = useState({ x: 0, y: 0 });
+  const [position, setPosition] = useState({ x: 100, y: 100 });
 
   const messages = [
     {
@@ -34,17 +37,78 @@ const ThreadChat: React.FC = () => {
     if (textareaRef.current) adjustHeight(textareaRef.current);
   }, [value]);
 
+  const clamp = (val: number, min: number, max: number) => {
+    return Math.min(Math.max(val, min), max);
+  };
+
+  const handlePointerDown = (event: React.PointerEvent<HTMLDivElement>) => {
+    if (event.button !== 0) return;
+
+    const wrapper = wrapperRef.current;
+    if (!wrapper) return;
+
+    const rect = wrapper.getBoundingClientRect();
+    const offsetX = event.clientX - rect.left;
+    const offsetY = event.clientY - rect.top;
+
+    setDragging(true);
+    setDragOffset({ x: offsetX, y: offsetY });
+
+    wrapper.setPointerCapture(event.pointerId);
+  };
+
+  const handlePointerMove = (event: React.PointerEvent<HTMLDivElement>) => {
+    if (!dragging) return;
+
+    const container = document.getElementById("work-space-three-d-canvas");
+    const wrapper = wrapperRef.current;
+    if (!container || !wrapper) return;
+
+    const containerRect = container.getBoundingClientRect();
+    const wrapperRect = wrapper.getBoundingClientRect();
+
+    let newX = event.clientX - containerRect.left - dragOffset.x;
+    let newY = event.clientY - containerRect.top - dragOffset.y;
+
+    const maxX = containerRect.width - wrapper.offsetWidth;
+    const maxY = containerRect.height - wrapper.offsetHeight;
+
+    newX = clamp(newX, 0, maxX);
+    newY = clamp(newY, 0, maxY);
+
+    setPosition({ x: newX, y: newY });
+  };
+
+  const handlePointerUp = (event: React.PointerEvent<HTMLDivElement>) => {
+    if (!dragging) return;
+    setDragging(false);
+    const wrapper = wrapperRef.current;
+    if (wrapper) wrapper.releasePointerCapture(event.pointerId);
+  };
+
   return (
-    <div className="thread-chat-wrapper">
+    <div
+      ref={wrapperRef}
+      className="thread-chat-wrapper"
+      onPointerDown={handlePointerDown}
+      onPointerMove={handlePointerMove}
+      onPointerUp={handlePointerUp}
+      style={{
+        position: "absolute",
+        left: position.x,
+        top: position.y,
+        cursor: dragging ? "grabbing" : "grab",
+        userSelect: "none",
+        zIndex: 9999,
+      }}
+    >
       <div className="thread-chat-container">
         <div className="header-wrapper">
           <div className="header">Comment</div>
           <div className="header-options">
             <button
               className="options-button"
-              onClick={() => {
+              onClick={() => setOpenThreadOptions(!openThreadOptions)}
-                setOpenThreadOptions(!openThreadOptions);
-              }}
             >
               <KebabIcon />
             </button>
@@ -60,11 +124,13 @@ const ThreadChat: React.FC = () => {
             </button>
           </div>
         </div>
+
         <div className="messages-wrapper">
           {messages.map((val, i) => (
-            <Messages val={val as Reply} i={i} key={val.replyId} />
+            <Messages val={val as any} i={i} key={val.replyId} />
           ))}
         </div>
+
         <div className="send-message-wrapper">
           <div className={`input-container ${inputActive ? "active" : ""}`}>
             <textarea
@@ -76,11 +142,7 @@ const ThreadChat: React.FC = () => {
               onBlur={() => setInputActive(false)}
               style={{ resize: "none" }}
             />
-            <div
+            <div className={`sent-button ${value === "" ? "disable-send-btn" : ""}`}>
-              className={`sent-button ${
-                value === "" ? "disable-send-btn" : ""
-              }`}
-            >
               <ExpandIcon />
             </div>
           </div>

app/src/styles/scene/comments.scss

@@ -98,7 +98,7 @@
   // remove later
   top: 50%;
   left: 50%;
-  transform: translate(-50%, -50%);
+  // transform: translate(-50%, -50%);
   // ----
   z-index: #{$z-index-ui-highest};
   .thread-chat-container {