Add SwiftUI.View+ReadSize

.github/workflows/build.yml

@@ -9,10 +9,9 @@ on:
 jobs:
   carthage:
     name: Carthage
-    runs-on: macos-latest
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
-      - uses: AckeeCZ/load-xcode-version@v1
       - name: Build
         run: carthage build --no-skip-current --cache-builds --use-xcframeworks
       - uses: actions/cache@v3
@@ -23,10 +22,9 @@ jobs:
             ${{ runner.os }}-carthage-
   spm:
     name: SPM
-    runs-on: macos-latest
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
-      - uses: AckeeCZ/load-xcode-version@v1
       - name: Build
         run: swift build -c release
       - uses: actions/cache@v3

.github/workflows/docbuild.yml

@@ -21,12 +21,10 @@ jobs:
       # Must be set to this for deploying to GitHub Pages
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: macos-latest
+    runs-on: macos-15
     steps:
       - name: Checkout 🛎️
         uses: actions/checkout@v4
-      - name: Check Xcode version ✅
-        uses: AckeeCZ/load-xcode-version@v1
       - name: Build DocC
         run: |
           xcodebuild docbuild -scheme ACKategories \

.github/workflows/tests.yml

@@ -5,12 +5,11 @@ on: [workflow_call]
 jobs:
   xcodebuild:
     name: Xcodebuild
-    runs-on: macos-latest
+    runs-on: macos-15
     env:
-      IOS_DEVICE: iPhone 15 Pro Max
+      IOS_DEVICE: iPhone 16 Pro
     steps:
       - uses: actions/checkout@v4
-      - uses: AckeeCZ/load-xcode-version@v1
       - name: iOS tests
         run: set -o pipefail && xcodebuild test -scheme ACKategories -resultBundlePath Tests-iOS.xcresult -sdk iphonesimulator -destination "platform=iOS Simulator,name=$IOS_DEVICE,OS=latest" ONLY_ACTIVE_ARCH=YES | xcpretty
       - uses: actions/upload-artifact@v4
@@ -48,10 +47,9 @@ jobs:
           path: Tests-tvOS.xcresult
   spm:
     name: SPM
-    runs-on: macos-latest
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
-      - uses: AckeeCZ/load-xcode-version@v1
       - name: SPM build
         run: swift build
       - name: SPM tests

ACKategories.xcodeproj/project.pbxproj

@@ -117,6 +117,7 @@
 		69ACD71B2AFD13480021127B /* DateRandomTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69E0A6B12AFD114600C8E8D9 /* DateRandomTests.swift */; };
 		69ACD71C2AFD13480021127B /* IntRandomTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69E0A6B22AFD114600C8E8D9 /* IntRandomTests.swift */; };
 		69ACD71D2AFD13480021127B /* StringRandomTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69E0A6B32AFD114600C8E8D9 /* StringRandomTests.swift */; };
+		69BC15952CF8A42C00A4B55F /* View+Frame.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69BC15942CF8A42700A4B55F /* View+Frame.swift */; };
 		69C6BE902B0BC80E008A4ECF /* UIWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69E0A6A82AFD114600C8E8D9 /* UIWindow.swift */; };
 		69DF227B2B459D0D0025C555 /* PushManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69DF22792B459D0D0025C555 /* PushManager.swift */; };
 		69DF227C2B459D0D0025C555 /* UNNotificationSettingsExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 69DF227A2B459D0D0025C555 /* UNNotificationSettingsExtensions.swift */; };
@@ -266,6 +267,7 @@
 		69ACC1812BBDF8DC00A109DB /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xml; path = PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
 		69ACD6C22AFD130C0021127B /* ACKategories.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = ACKategories.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		69ACD6C92AFD130D0021127B /* ACKategoriesTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = ACKategoriesTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		69BC15942CF8A42700A4B55F /* View+Frame.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "View+Frame.swift"; sourceTree = "<group>"; };
 		69DF225A2B459CC50025C555 /* PushNotifications.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = PushNotifications.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		69DF22792B459D0D0025C555 /* PushManager.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PushManager.swift; sourceTree = "<group>"; };
 		69DF227A2B459D0D0025C555 /* UNNotificationSettingsExtensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = UNNotificationSettingsExtensions.swift; sourceTree = "<group>"; };
@@ -651,6 +653,7 @@
 		69E0A6032AFD10BE00C8E8D9 /* SwiftUIExtensions */ = {
 			isa = PBXGroup;
 			children = (
+				69BC15942CF8A42700A4B55F /* View+Frame.swift */,
 				69246CFA2BDFE77400AB31A1 /* SwiftUIColorsTheme.swift */,
 				69E0A6042AFD10BE00C8E8D9 /* FontModifier.swift */,
 				693B39B62BF2359B00DF7C5E /* ACKHostingController.swift */,
@@ -1292,6 +1295,7 @@
 				69ACD6F12AFD133A0021127B /* UIControlEvents.swift in Sources */,
 				69ACD6F22AFD133A0021127B /* UIDeviceExtensions.swift in Sources */,
 				69ACD6F32AFD133A0021127B /* UIImageExtensions.swift in Sources */,
+				69BC15952CF8A42C00A4B55F /* View+Frame.swift in Sources */,
 				69ACD6F42AFD133A0021127B /* UILabelExtensions.swift in Sources */,
 				69ACD6F52AFD133A0021127B /* UINavigationControllerExtensions.swift in Sources */,
 				69ACD6F62AFD133A0021127B /* UISearchBarExtensions.swift in Sources */,

CHANGELOG.md

@@ -8,6 +8,8 @@
 
 ## Next
 
+- Add `readSize` and `readFrame` to SwiftUI views ([#150](https://github.com/AckeeCZ/ACKategories/pull/150), kudos to @olejnjak)
+
 ## 6.15.0
 
 - SwiftUI improvements ([#149](https://github.com/AckeeCZ/ACKategories/pull/149), kudos to @olejnjak)

Sources/ACKategories/SwiftUIExtensions/View+Frame.swift

@@ -0,0 +1,42 @@
+import SwiftUI
+
+@available(iOS 13.0, macOS 10.15, watchOS 6.0, tvOS 13.0, *)
+public extension View {
+    func readSize(
+        onChange: @escaping (CGSize) -> Void
+    ) -> some View {
+        readFrame(in: .local) { onChange($0.size) }
+    }
+
+    func readFrame(
+        in coordinateSpace: CoordinateSpace,
+        onChange: @escaping (CGRect) -> Void
+    ) -> some View {
+        background(
+            GeometryReader { geometryProxy in
+                Color.clear
+                    .preference(key: FramePreferenceKey.self, value: geometryProxy.frame(in: coordinateSpace))
+            }
+        )
+        .onPreferenceChange(FramePreferenceKey.self, perform: onChange)
+    }
+}
+
+private struct FramePreferenceKey: PreferenceKey {
+    static var defaultValue: CGRect = .zero
+    static func reduce(value: inout CGRect, nextValue: () -> CGRect) { }
+}
+
+@available(iOS 13.0, macOS 10.15, watchOS 6.0, tvOS 13.0, *)
+#Preview {
+    Text("Hello, World!")
+        .readSize {
+            print("Size:", $0)
+        }
+        .readFrame(in: .local) {
+            print("Local frame:", $0)
+        }
+        .readFrame(in: .global) {
+            print("Global frame:", $0)
+        }
+}