Add mention parsing and fine-grained text selection on description in ProfileView

Changelog-Added: Add mention parsing and fine-grained text selection on description in ProfileView
Closes: #1172

damus/Components/UserView.swift

@@ -43,7 +43,9 @@ struct UserView: View {
                     let profile = damus_state.profiles.lookup(id: pubkey)
                     ProfileName(pubkey: pubkey, profile: profile, damus: damus_state, show_nip5_domain: false)
                     if let about = profile?.about {
-                        Text(about)
+                        let blocks = parse_mentions(content: about, tags: [])
+                        let about_string = render_blocks(blocks: blocks, profiles: damus_state.profiles).content.attributed
+                        Text(about_string)
                             .lineLimit(3)
                             .font(.footnote)
                     }

damus/Views/EventView.swift

@@ -12,6 +12,7 @@ enum EventViewKind {
     case small
     case normal
     case selected
+    case subheadline
 }
 
 struct EventView: View {
@@ -106,6 +107,8 @@ func eventviewsize_to_font(_ size: EventViewKind) -> Font {
         return .body
     case .selected:
         return .custom("selected", size: 21.0)
+    case .subheadline:
+        return .subheadline
     }
 }
 
@@ -117,6 +120,8 @@ func eventviewsize_to_uifont(_ size: EventViewKind) -> UIFont {
         return .preferredFont(forTextStyle: .body)
     case .selected:
         return .preferredFont(forTextStyle: .title2)
+    case .subheadline:
+        return .preferredFont(forTextStyle: .subheadline)
     }
 }
 

damus/Views/Events/EventProfile.swift

@@ -15,6 +15,8 @@ func eventview_pfp_size(_ size: EventViewKind) -> CGFloat {
         return PFP_SIZE
     case .selected:
         return PFP_SIZE
+    case .subheadline:
+        return PFP_SIZE * 0.5
     }
 }
 

damus/Views/ParticipantsView.swift

@@ -57,7 +57,9 @@ struct ParticipantsView: View {
                                 let profile = damus_state.profiles.lookup(id: pubkey)
                                 ProfileName(pubkey: pubkey, profile: profile, damus: damus_state, show_nip5_domain: false)
                                 if let about = profile?.about {
-                                    Text(FollowUserView.markdown.process(about))
+                                    let blocks = parse_mentions(content: about, tags: [])
+                                    let about_string = render_blocks(blocks: blocks, profiles: damus_state.profiles).content.attributed
+                                    Text(about_string)
                                         .lineLimit(3)
                                         .font(.footnote)
                                 }

damus/Views/Profile/ProfileView.swift

@@ -370,9 +370,15 @@ struct ProfileView: View {
             let profile_data = damus_state.profiles.lookup(id: profile.pubkey)
             
             nameSection(profile_data: profile_data)
-            
-            Text(ProfileView.markdown.process(profile_data?.about ?? ""))
-                .font(.subheadline).textSelection(.enabled)
+
+            if let about = profile_data?.about {
+                let blocks = parse_mentions(content: about, tags: [])
+                let about_string = render_blocks(blocks: blocks, profiles: damus_state.profiles).content.attributed
+                SelectableText(attributedString: about_string, size: .subheadline)
+            } else {
+                Text(verbatim: "")
+                    .font(.subheadline)
+            }
             
             if let url = profile_data?.website_url {
                 WebsiteLink(url: url)