From 3d478c49353d81596c2be97c5f617cb1d231520c Mon Sep 17 00:00:00 2001
From: fufesou <linlong1266@gmail.com>
Date: Fri, 19 Jun 2026 20:50:56 +0800
Subject: [PATCH] fix(ios): mouse mismatch (#15339)

Signed-off-by: fufesou <linlong1266@gmail.com>
---
 flutter/lib/models/input_model.dart | 39 ++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/flutter/lib/models/input_model.dart b/flutter/lib/models/input_model.dart
index fc3b8903c..a701e6e53 100644
--- a/flutter/lib/models/input_model.dart
+++ b/flutter/lib/models/input_model.dart
@@ -1307,7 +1307,8 @@ class InputModel {
     }
     if (isPhysicalMouse.value) {
       if (!_relativeMouse.handleRelativeMouseMove(e.localPosition)) {
-        handleMouse(_getMouseEvent(e, _kMouseEventMove), e.position,
+        final canvasPosition = _pointerPositionForRemoteCanvas(e);
+        handleMouse(_getMouseEvent(e, _kMouseEventMove), canvasPosition,
             edgeScroll: useEdgeScroll);
       }
     }
@@ -1548,7 +1549,8 @@ class InputModel {
         _relativeMouse
             .sendRelativeMouseButton(_getMouseEvent(e, _kMouseEventDown));
       } else {
-        handleMouse(_getMouseEvent(e, _kMouseEventDown), e.position);
+        final canvasPosition = _pointerPositionForRemoteCanvas(e);
+        handleMouse(_getMouseEvent(e, _kMouseEventDown), canvasPosition);
       }
     }
   }
@@ -1570,7 +1572,8 @@ class InputModel {
         _relativeMouse
             .sendRelativeMouseButton(_getMouseEvent(e, _kMouseEventUp));
       } else {
-        handleMouse(_getMouseEvent(e, _kMouseEventUp), e.position);
+        final canvasPosition = _pointerPositionForRemoteCanvas(e);
+        handleMouse(_getMouseEvent(e, _kMouseEventUp), canvasPosition);
       }
     }
   }
@@ -1592,12 +1595,40 @@ class InputModel {
     }
     if (isPhysicalMouse.value) {
       if (!_relativeMouse.handleRelativeMouseMove(e.localPosition)) {
-        handleMouse(_getMouseEvent(e, _kMouseEventMove), e.position,
+        final canvasPosition = _pointerPositionForRemoteCanvas(e);
+        handleMouse(_getMouseEvent(e, _kMouseEventMove), canvasPosition,
             edgeScroll: useEdgeScroll);
       }
     }
   }
 
+  /// Convert pointer coordinates into the visible remote canvas space.
+  ///
+  /// On mobile, the remote page body is wrapped in `SafeArea`, but the pointer
+  /// listener that feeds these events sits outside that subtree. As a result,
+  /// `event.localPosition` still includes the top/left safe-area inset.
+  ///
+  /// When the keyboard-visible path shows `KeyHelpTools`, the remote canvas is
+  /// also shifted downward by `CanvasModel.getAdjustY()`. The downstream mouse
+  /// mapping logic expects coordinates relative to the visible canvas area, so
+  /// we subtract both the mobile safe-area padding and the current canvas
+  /// adjustment before passing the position into mouse mapping.
+  ///
+  /// Desktop and web desktop continue to use the global position directly
+  /// because their pointer mapping is window-based.
+  Offset _pointerPositionForRemoteCanvas(PointerEvent event) {
+    if (isDesktop || isWebDesktop) {
+      return event.position;
+    }
+    final mediaData = MediaQueryData.fromView(
+        WidgetsBinding.instance.platformDispatcher.views.first);
+    final adjustY = parent.target?.canvasModel.getAdjustY() ?? 0.0;
+    return Offset(
+      event.localPosition.dx - mediaData.padding.left,
+      event.localPosition.dy - mediaData.padding.top - adjustY,
+    );
+  }
+
   static Future<Rect?> fillRemoteCoordsAndGetCurFrame(
       List<RemoteWindowCoords> remoteWindowCoords) async {
     final coords =