From d8b0299362d8034ec1433c80e4ed2ffbf45f22a4 Mon Sep 17 00:00:00 2001
From: Kyle <kyle201817146@gmail.com>
Date: Mon, 14 Sep 2026 00:26:46 +0800
Subject: [PATCH] feat(event): implement SizeGesture

---
 .../Event/Gesture/GestureInputs.swift         |  9 ++++
 .../Event/Gesture/SizeGesture.swift           | 44 +++++++++++++++++++
 2 files changed, 53 insertions(+)
 create mode 100644 Sources/OpenSwiftUICore/Event/Gesture/SizeGesture.swift

diff --git a/Sources/OpenSwiftUICore/Event/Gesture/GestureInputs.swift b/Sources/OpenSwiftUICore/Event/Gesture/GestureInputs.swift
index 014fa5097..b79929da7 100644
--- a/Sources/OpenSwiftUICore/Event/Gesture/GestureInputs.swift
+++ b/Sources/OpenSwiftUICore/Event/Gesture/GestureInputs.swift
@@ -83,6 +83,15 @@ public struct _GestureInputs {
         }
     }
 
+    package var size: Attribute<ViewSize> {
+        let defaultSize = intern(ViewSize.zero, id: .defaultValue)
+        return viewSubgraph.apply {
+            var size = IndirectAttribute(source: defaultSize)
+            size.source = viewInputs.size
+            return size.projectedValue
+        }
+    }
+
     package var transform: Attribute<ViewTransform> {
         let defaultTransform = intern(ViewTransform(), id: .defaultValue)
         return viewSubgraph.apply {
diff --git a/Sources/OpenSwiftUICore/Event/Gesture/SizeGesture.swift b/Sources/OpenSwiftUICore/Event/Gesture/SizeGesture.swift
new file mode 100644
index 000000000..778365a98
--- /dev/null
+++ b/Sources/OpenSwiftUICore/Event/Gesture/SizeGesture.swift
@@ -0,0 +1,44 @@
+//
+//  SizeGesture.swift
+//  OpenSwiftUICore
+//
+//  Audited for 6.5.4
+//  Status: Complete
+//  ID: 1E238A2DD9F0A69154D5FC25E0CF7514 (SwiftUICore)
+
+package import Foundation
+import OpenAttributeGraphShims
+
+// MARK: - SizeGesture
+
+package struct SizeGesture<Content>: PrimitiveGesture where Content: Gesture {
+    package typealias Value = Content.Value
+
+    package var content: (CGSize) -> Content
+
+    package init(_ content: @escaping (CGSize) -> Content) {
+        self.content = content
+    }
+
+    package static func _makeGesture(
+        gesture: _GraphValue<SizeGesture<Content>>,
+        inputs: _GestureInputs
+    ) -> _GestureOutputs<Value> {
+        let child = _GraphValue(SizeGestureChild(
+            gesture: gesture.value,
+            size: inputs.size
+        ))
+        return Content._makeGesture(gesture: child, inputs: inputs)
+    }
+}
+
+// MARK: - SizeGestureChild
+
+private struct SizeGestureChild<Content>: Rule where Content: Gesture {
+    @Attribute var gesture: SizeGesture<Content>
+    @Attribute var size: ViewSize
+
+    var value: Content {
+        gesture.content(size.value)
+    }
+}