From affdd3954229156a64fe2290b22d830ae20e2ecc Mon Sep 17 00:00:00 2001
From: Garth Vander Houwen <garthvh@yahoo.com>
Date: Wed, 14 Aug 2024 03:10:12 -0700
Subject: [PATCH] Add onFirstAppear extension

---
 Meshtastic.xcodeproj/project.pbxproj          |  4 +++
 Meshtastic/Extensions/View.swift              | 30 +++++++++++++++++++
 .../Views/Settings/Config/ConfigHeader.swift  |  4 +--
 3 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 Meshtastic/Extensions/View.swift

diff --git a/Meshtastic.xcodeproj/project.pbxproj b/Meshtastic.xcodeproj/project.pbxproj
index f5108298..c891cca9 100644
--- a/Meshtastic.xcodeproj/project.pbxproj
+++ b/Meshtastic.xcodeproj/project.pbxproj
@@ -93,6 +93,7 @@
 		DD6193772862F90F00E59241 /* CannedMessagesConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD6193762862F90F00E59241 /* CannedMessagesConfig.swift */; };
 		DD6193792863875F00E59241 /* SerialConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD6193782863875F00E59241 /* SerialConfig.swift */; };
 		DD6F65722C6AB8EC0053C113 /* SecureInput.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD6F65712C6AB8EC0053C113 /* SecureInput.swift */; };
+		DD6F65742C6CB80A0053C113 /* View.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD6F65732C6CB80A0053C113 /* View.swift */; };
 		DD73FD1128750779000852D6 /* PositionLog.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD73FD1028750779000852D6 /* PositionLog.swift */; };
 		DD769E0328D18BF1001A3F05 /* DeviceMetricsLog.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD769E0228D18BF0001A3F05 /* DeviceMetricsLog.swift */; };
 		DD77093B2AA1ABB8007A8BF0 /* BluetoothTips.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD77093A2AA1ABB8007A8BF0 /* BluetoothTips.swift */; };
@@ -347,6 +348,7 @@
 		DD6193782863875F00E59241 /* SerialConfig.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SerialConfig.swift; sourceTree = "<group>"; };
 		DD68BAE72C417A74004C01A0 /* MeshtasticDataModelV 40.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = "MeshtasticDataModelV 40.xcdatamodel"; sourceTree = "<group>"; };
 		DD6F65712C6AB8EC0053C113 /* SecureInput.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureInput.swift; sourceTree = "<group>"; };
+		DD6F65732C6CB80A0053C113 /* View.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = View.swift; sourceTree = "<group>"; };
 		DD73FD1028750779000852D6 /* PositionLog.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PositionLog.swift; sourceTree = "<group>"; };
 		DD769E0228D18BF0001A3F05 /* DeviceMetricsLog.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeviceMetricsLog.swift; sourceTree = "<group>"; };
 		DD77093A2AA1ABB8007A8BF0 /* BluetoothTips.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BluetoothTips.swift; sourceTree = "<group>"; };
@@ -1001,6 +1003,7 @@
 				DDD5BB172C2F9C36007E03CA /* OSLogEntryLog.swift */,
 				DDF45C362BC46A5A005ED5F2 /* TimeZone.swift */,
 				DDD5BB0C2C285F00007E03CA /* Logger.swift */,
+				DD6F65732C6CB80A0053C113 /* View.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -1374,6 +1377,7 @@
 				DDB6ABE228B13FB500384BA1 /* PositionConfigEnums.swift in Sources */,
 				DD994B69295F88B60013760A /* IntervalEnums.swift in Sources */,
 				DDDCD5702BB26F5C00BE6B60 /* NodeListFilter.swift in Sources */,
+				DD6F65742C6CB80A0053C113 /* View.swift in Sources */,
 				DD1933762B0835D500771CD5 /* PositionAltitudeChart.swift in Sources */,
 				DD415828285859C4009B0E59 /* TelemetryConfig.swift in Sources */,
 				DDB6CCFB2AAF805100945AF6 /* NodeMapSwiftUI.swift in Sources */,
diff --git a/Meshtastic/Extensions/View.swift b/Meshtastic/Extensions/View.swift
new file mode 100644
index 00000000..7349f36d
--- /dev/null
+++ b/Meshtastic/Extensions/View.swift
@@ -0,0 +1,30 @@
+//
+//  View.swift
+//  Meshtastic
+//
+//  Copyright(c) Garth Vander Houwen 8/14/24.
+//
+
+import SwiftUI
+
+public extension View {
+	func onFirstAppear(_ action: @escaping () -> ()) -> some View {
+		modifier(FirstAppear(action: action))
+	}
+}
+
+private struct FirstAppear: ViewModifier {
+	let action: () -> ()
+
+	// Use this to only fire your block one time
+	@State private var hasAppeared = false
+
+	func body(content: Content) -> some View {
+		// And then, track it here
+		content.onAppear {
+			guard !hasAppeared else { return }
+			hasAppeared = true
+			action()
+		}
+	}
+}
diff --git a/Meshtastic/Views/Settings/Config/ConfigHeader.swift b/Meshtastic/Views/Settings/Config/ConfigHeader.swift
index cef7f98c..3f59a01a 100644
--- a/Meshtastic/Views/Settings/Config/ConfigHeader.swift
+++ b/Meshtastic/Views/Settings/Config/ConfigHeader.swift
@@ -23,12 +23,12 @@ struct ConfigHeader<T>: View {
 					.foregroundColor(.orange)
 			} else {
 				Text("Remote administration for: \(node?.user?.longName ?? "Unknown")")
-					.onAppear(perform: onAppear)
+					.onFirstAppear(onAppear)
 					.font(.title3)
 			}
 		} else if node != nil && node?.num ?? 0 == bleManager.connectedPeripheral?.num ?? -1 {
 			Text("Configuration for: \(node?.user?.longName ?? "Unknown")")
-				.onAppear(perform: onAppear)
+				.onFirstAppear(onAppear)
 		} else {
 			Text("Please connect to a radio to configure settings.")
 				.font(.callout)