From 8a14cb881703822edd9e1210f83b65fbe22f8d91 Mon Sep 17 00:00:00 2001
From: raj <raj.rai.ct@gmail.com>
Date: Fri, 10 Oct 2025 23:29:24 -0400
Subject: [PATCH] add setWindow method to Stage objects to facilitate popout
 window compatibility

---
 src/DragAndDrop.ts | 24 +++++++++++++-----------
 src/Stage.ts       |  6 ++++++
 2 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/src/DragAndDrop.ts b/src/DragAndDrop.ts
index 3eeb9a129..7f02b4b85 100644
--- a/src/DragAndDrop.ts
+++ b/src/DragAndDrop.ts
@@ -156,18 +156,20 @@ export const DD = {
       }
     });
   },
-};
+  _attachListeners: function (targetWindow: Window) {
+    targetWindow.addEventListener('mouseup', DD._endDragBefore, true);
+    targetWindow.addEventListener('touchend', DD._endDragBefore, true);
+    targetWindow.addEventListener('touchcancel', DD._endDragBefore, true);
 
-if (Konva.isBrowser) {
-  window.addEventListener('mouseup', DD._endDragBefore, true);
-  window.addEventListener('touchend', DD._endDragBefore, true);
-  // add touchcancel to fix this: https://github.com/konvajs/konva/issues/1843
-  window.addEventListener('touchcancel', DD._endDragBefore, true);
+    targetWindow.addEventListener('mousemove', DD._drag);
+    targetWindow.addEventListener('touchmove', DD._drag);
 
-  window.addEventListener('mousemove', DD._drag);
-  window.addEventListener('touchmove', DD._drag);
+    targetWindow.addEventListener('mouseup', DD._endDragAfter, false);
+    targetWindow.addEventListener('touchend', DD._endDragAfter, false);
+    targetWindow.addEventListener('touchcancel', DD._endDragAfter, false);
+  },
+};
 
-  window.addEventListener('mouseup', DD._endDragAfter, false);
-  window.addEventListener('touchend', DD._endDragAfter, false);
-  window.addEventListener('touchcancel', DD._endDragAfter, false);
+if (Konva.isBrowser) {
+  DD._attachListeners(window);
 }
diff --git a/src/Stage.ts b/src/Stage.ts
index 9ba1d87ed..89328121a 100644
--- a/src/Stage.ts
+++ b/src/Stage.ts
@@ -241,6 +241,12 @@ export class Stage extends Container<Layer, StageConfig> {
     }
     return this;
   }
+  setWindow(win){
+    if (win) {
+      DD._attachListeners(win);
+    }
+    return this;
+  }
   shouldDrawHit() {
     return true;
   }