Separate code font size

mac/Sources/Byre/Fonts.swift

@@ -11,24 +11,29 @@ final class FontSize {
     static let range = 9...20
 
     private(set) var body = PrefsRecord.defaultFontSize
+    private(set) var code = PrefsRecord.defaultFontSize
 
     private init() {
         load()
     }
 
     func load() {
-        body = record()?.fontSize ?? PrefsRecord.defaultFontSize
+        let r = record()
+        body = r?.fontSize ?? PrefsRecord.defaultFontSize
+        code = r?.codeFontSize ?? PrefsRecord.defaultFontSize
     }
 
-    func set(_ size: Int) {
+    func set(body: Int, code: Int) {
         if let r = record() {
-            r.fontSize = size
+            r.fontSize = body
+            r.codeFontSize = code
             r.saved = Date()
         } else {
-            persistence.insert(PrefsRecord(fontSize: size))
+            persistence.insert(PrefsRecord(fontSize: body, codeFontSize: code))
         }
         saveRecords()
-        body = size
+        self.body = body
+        self.code = code
     }
 
     private func record() -> PrefsRecord? {
@@ -52,10 +57,10 @@ enum Fonts {
 
     private static let fonts = Mutex<[String: CTFont]>([:])
 
-    // Call sites give sizes relative to a 13pt body; the user's font size shifts them all.
+    // Call sites give sizes relative to a 13pt body; the user's text or code size shifts them.
     @MainActor
     private static func cached(_ size: CGFloat, _ weight: CGFloat, _ italic: Bool, _ mono: Bool) -> CTFont {
-        let size = size + CGFloat(FontSize.shared.body - 13)
+        let size = size + CGFloat((mono ? FontSize.shared.code : FontSize.shared.body) - 13)
         let key = "\(size) \(weight) \(italic) \(mono)"
         return fonts.withLock { fonts in
             if let f = fonts[key] {