From 32a42e797cea006ca745c390389cad5b79a2b8dd Mon Sep 17 00:00:00 2001
From: "mr. m" <mr.m@tuta.com>
Date: Mon, 2 Feb 2026 01:10:48 +0100
Subject: [PATCH] feat: Fixed split view not working on windows when dropping,
 b=closes #12143, c=no-component

---
 src/zen/drag-and-drop/ZenDragAndDrop.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/zen/drag-and-drop/ZenDragAndDrop.js b/src/zen/drag-and-drop/ZenDragAndDrop.js
index 8476d6e8f..3f44370d5 100644
--- a/src/zen/drag-and-drop/ZenDragAndDrop.js
+++ b/src/zen/drag-and-drop/ZenDragAndDrop.js
@@ -672,10 +672,16 @@
       if (!isTab(draggedTab)) {
         return;
       }
-      const { clientX, clientY } = event;
-      const { innerWidth, innerHeight } = window;
+      const { screenX, screenY } = event;
+      if (!screenX && !screenY) {
+        return;
+      }
+      const { innerWidth, innerHeight, screenX: windowScreenX, screenY: windowScreenY } = window;
       const isOutOfWindow =
-        clientX < 0 || clientX > innerWidth || clientY < 0 || clientY > innerHeight;
+        screenX < windowScreenX ||
+        screenX > windowScreenX + innerWidth ||
+        screenY < windowScreenY ||
+        screenY > windowScreenY + innerHeight;
       if (isOutOfWindow && !this.#isOutOfWindow) {
         this.#isOutOfWindow = true;
         gZenViewSplitter.onBrowserDragEndToSplit(event, true);