Update SettingToggle - impl. edgePadding setter, fix. icon padding issue via nillable horizontalPadding _ref aheze#42

This update fixes SettingToggle implementing Icons among other functionality (ref. aheze#42)

- impl: edgePadding setter (optional) via env_var, otherwise uses horizontalPadding (default)
- fixes: Icon padding issue (ref  via nillable horizontalPadding (ref. [aheze/Setting/#2614139662](aheze#38 (comment))), covering aheze#38, aheze#37
- impl: SettingToggle extension supporting `.icon(...)` methods

Author: duraki

Sources/Views/SettingToggle.swift

@@ -15,7 +15,7 @@ public struct SettingToggle: View, Setting {
     public var icon: SettingIcon?
     public var horizontalSpacing = CGFloat(12)
     public var verticalPadding = CGFloat(14)
-    public var horizontalPadding = CGFloat(16)
+    public var horizontalPadding: CGFloat? = nil
     public var onChange: ((Bool) -> Void)? // Add onChange closure
 
     public init(
@@ -25,7 +25,7 @@ public struct SettingToggle: View, Setting {
         isOn: Binding<Bool>,
         horizontalSpacing: CGFloat = CGFloat(12),
         verticalPadding: CGFloat = CGFloat(14),
-        horizontalPadding: CGFloat = CGFloat(16),
+        horizontalPadding: CGFloat? = nil,
         onChange: ((Bool) -> Void)? = nil // Initialize onChange closure
     ) {
         self.id = id
@@ -52,21 +52,23 @@ public struct SettingToggle: View, Setting {
 }
 
 struct SettingToggleView: View {
+    @Environment(\.edgePadding) var edgePadding
+
     let icon: SettingIcon?
     let title: String
     @Binding var isOn: Bool
 
     var horizontalSpacing = CGFloat(12)
     var verticalPadding = CGFloat(14)
-    var horizontalPadding = CGFloat(16)
+    var horizontalPadding: CGFloat? = nil
     var onChange: ((Bool) -> Void)? // Receive onChange closure
 
     var body: some View {
         HStack(spacing: horizontalSpacing) {
             if let icon {
-              SettingIconView(icon: icon)
+                SettingIconView(icon: icon)
             }
-            
+
             Text(title)
                 .fixedSize(horizontal: false, vertical: true)
                 .frame(maxWidth: .infinity, alignment: .leading)
@@ -78,7 +80,27 @@ struct SettingToggleView: View {
                     onChange?(newValue) // Call onChange closure
                 })
         }
-        .padding(.horizontal, horizontalPadding)
+        .padding(.horizontal, horizontalPadding ?? edgePadding)
         .accessibilityElement(children: .combine)
     }
 }
+
+public extension SettingToggle {
+    func icon(_ icon: String, color: Color = .blue) -> SettingToggle {
+        var toggle = self
+        toggle.icon = .system(icon: icon, backgroundColor: color)
+        return toggle
+    }
+
+    func icon(_ icon: String, foregroundColor: Color = .white, backgroundColor: Color = .blue) -> SettingToggle {
+        var toggle = self
+        toggle.icon = .system(icon: icon, foregroundColor: foregroundColor, backgroundColor: backgroundColor)
+        return toggle
+    }
+
+    func icon(icon: SettingIcon) -> SettingToggle {
+        var toggle = self
+        toggle.icon = icon
+        return toggle
+    }
+}