setting: adjustable font size for jack the zapper

Changelog-Added: Adjustable font size

damus/Views/EventView.swift

@@ -102,18 +102,18 @@ func make_actionbar_model(ev: NoteId, damus: DamusState) -> ActionBarModel {
     return model
 }
 
-func eventviewsize_to_font(_ size: EventViewKind) -> Font {
+func eventviewsize_to_font(_ size: EventViewKind, font_size: Double) -> Font {
     switch size {
     case .small:
-        return .body
+        return Font.system(size: 12.0 * font_size)
     case .normal:
-        return .body
+        return Font.system(size: 17.0 * font_size) // Assuming .body is 17pt by default
     case .selected:
-        return .custom("selected", size: 21.0)
+        return .custom("selected", size: 21.0 * font_size)
     case .title:
-        return .title
+        return Font.system(size: 24.0 * font_size) // Assuming .title is 24pt by default
     case .subheadline:
-        return .subheadline
+        return Font.system(size: 14.0 * font_size) // Assuming .subheadline is 14pt by default
     }
 }
 

damus/Views/NoteContentView.swift

@@ -33,7 +33,8 @@ struct NoteContentView: View {
 
     @ObservedObject var artifacts_model: NoteArtifactsModel
     @ObservedObject var preview_model: PreviewModel
-    
+    @ObservedObject var settings: UserSettingsStore
+
     var note_artifacts: NoteArtifacts {
         return self.artifacts_model.state.artifacts ?? .separated(.just_content(event.get_content(damus_state.keypair.privkey)))
     }
@@ -48,6 +49,7 @@ struct NoteContentView: View {
         let cached = damus_state.events.get_cache_data(event.id)
         self._preview_model = ObservedObject(wrappedValue: cached.preview_model)
         self._artifacts_model = ObservedObject(wrappedValue: cached.artifacts_model)
+        self._settings = ObservedObject(wrappedValue: damus_state.settings)
     }
     
     var truncate: Bool {
@@ -72,10 +74,10 @@ struct NoteContentView: View {
         Group {
             if truncate {
                 TruncatedText(text: content)
-                    .font(eventviewsize_to_font(size))
+                    .font(eventviewsize_to_font(size, font_size: damus_state.settings.font_size))
             } else {
                 content.text
-                    .font(eventviewsize_to_font(size))
+                    .font(eventviewsize_to_font(size, font_size: damus_state.settings.font_size))
             }
         }
     }

damus/Views/Profile/EventProfileName.swift

@@ -69,7 +69,7 @@ struct EventProfileName: View {
                 
                 Text(verbatim: "@\(both.username)")
                     .foregroundColor(.gray)
-                    .font(eventviewsize_to_font(size))
+                    .font(eventviewsize_to_font(size, font_size: damus_state.settings.font_size))
             }
             
             /*

damus/Views/Settings/AppearanceSettingsView.swift

@@ -8,12 +8,39 @@
 import SwiftUI
 
 
+struct ResizedEventPreview: View {
+    let damus_state: DamusState
+    @ObservedObject var settings: UserSettingsStore
+
+    var body: some View {
+        EventView(damus: damus_state, event: test_note, pubkey: test_note.pubkey, options: [.wide, .no_action_bar])
+    }
+}
+
 struct AppearanceSettingsView: View {
+    let damus_state: DamusState
     @ObservedObject var settings: UserSettingsStore
     @Environment(\.dismiss) var dismiss
 
+    var FontSize: some View {
+        VStack(alignment: .leading) {
+            Slider(value: $settings.font_size, in: 0.5...2.0, step: 0.1) {
+                Text("Font Size")
+            }
+            .padding()
+
+            // Sample text to show how the font size would look
+            ResizedEventPreview(damus_state: damus_state, settings: settings)
+
+        }
+    }
+
     var body: some View {
         Form {
+            Section("Font Size") {
+                FontSize
+            }
+
             // MARK: - Text Truncation
             Section(header: Text(NSLocalizedString("Text Truncation", comment: "Section header for damus text truncation user configuration"))) {
                 Toggle(NSLocalizedString("Truncate timeline text", comment: "Setting to truncate text in timeline"), isOn: $settings.truncate_timeline_text)
@@ -63,6 +90,6 @@ struct AppearanceSettingsView: View {
 
 struct TextFormattingSettings_Previews: PreviewProvider {
     static var previews: some View {
-        AppearanceSettingsView(settings: UserSettingsStore())
+        AppearanceSettingsView(damus_state: test_damus_state(), settings: UserSettingsStore())
     }
 }