perf: a few micro optimizations

Signed-off-by: William Casarin <jb55@jb55.com>

crates/notedeck_ui/src/lib.rs

@@ -56,7 +56,7 @@ pub fn hline_with_width(ui: &egui::Ui, range: egui::Rangef) {
     ui.painter().hline(range, resize_y, stroke);
 }
 
-pub fn secondary_label(ui: &mut egui::Ui, s: impl Into<String>) {
+pub fn secondary_label(ui: &mut egui::Ui, s: impl Into<String>) -> egui::Response {
     let color = ui.style().visuals.noninteractive().fg_stroke.color;
-    ui.add(Label::new(RichText::new(s).size(10.0).color(color)).selectable(false));
+    ui.add(Label::new(RichText::new(s).size(10.0).color(color)).selectable(false))
 }

crates/notedeck_ui/src/note/contents.rs

@@ -206,6 +206,7 @@ fn render_undecorated_note_contents<'a>(
             match block.blocktype() {
                 BlockType::MentionBech32 => match block.as_mention().unwrap() {
                     Mention::Profile(profile) => {
+                        profiling::scope!("profile-block");
                         let act = crate::Mention::new(
                             note_context.ndb,
                             note_context.img_cache,
@@ -220,6 +221,7 @@ fn render_undecorated_note_contents<'a>(
                     }
 
                     Mention::Pubkey(npub) => {
+                        profiling::scope!("pubkey-block");
                         let act = crate::Mention::new(
                             note_context.ndb,
                             note_context.img_cache,
@@ -251,6 +253,7 @@ fn render_undecorated_note_contents<'a>(
                 },
 
                 BlockType::Hashtag => {
+                    profiling::scope!("hashtag-block");
                     if block.as_str().trim().is_empty() {
                         continue;
                     }
@@ -268,6 +271,7 @@ fn render_undecorated_note_contents<'a>(
                 }
 
                 BlockType::Url => {
+                    profiling::scope!("url-block");
                     let mut found_supported = || -> bool {
                         let url = block.as_str();
 
@@ -297,6 +301,7 @@ fn render_undecorated_note_contents<'a>(
                 }
 
                 BlockType::Text => {
+                    profiling::scope!("text-block");
                     // truncate logic
                     let mut truncate = false;
                     let block_str = if options.contains(NoteOptions::Truncate)

crates/notedeck_ui/src/note/mod.rs

@@ -240,7 +240,7 @@ impl<'a, 'd> NoteView<'a, 'd> {
             let (_id, rect) = ui.allocate_space(egui::vec2(50.0, 20.0));
             ui.allocate_rect(rect, Sense::hover());
             ui.put(rect, |ui: &mut egui::Ui| {
-                render_notetime(ui, self.note_context.i18n, self.note.created_at(), false).response
+                render_notetime(ui, self.note_context.i18n, self.note.created_at(), false)
             });
             let (_id, rect) = ui.allocate_space(egui::vec2(150.0, 20.0));
             ui.allocate_rect(rect, Sense::hover());
@@ -398,7 +398,7 @@ impl<'a, 'd> NoteView<'a, 'd> {
                 let response = ui
                     .add(Username::new(i18n, profile.as_ref().ok(), note.pubkey()).abbreviated(20));
                 if !flags.contains(NoteOptions::FullCreatedDate) {
-                    return render_notetime(ui, i18n, note.created_at(), true).response;
+                    return render_notetime(ui, i18n, note.created_at(), true);
                 }
                 response
             })
@@ -892,18 +892,18 @@ fn render_notetime(
     i18n: &mut Localization,
     created_at: u64,
     before: bool,
-) -> egui::InnerResponse<()> {
-    ui.horizontal(|ui| {
+) -> Response {
     if before {
-            secondary_label(ui, "⋅");
+        secondary_label(
+            ui,
+            format!(" ⋅ {}", notedeck::time_ago_since(i18n, created_at)),
+        )
+    } else {
+        secondary_label(
+            ui,
+            format!("{} ⋅ ", notedeck::time_ago_since(i18n, created_at)),
+        )
     }
-
-        secondary_label(ui, notedeck::time_ago_since(i18n, created_at));
-
-        if !before {
-            secondary_label(ui, "⋅");
-        }
-    })
 }
 
 fn reply_button(ui: &mut egui::Ui, i18n: &mut Localization, note_key: NoteKey) -> egui::Response {

crates/notedeck_ui/src/note/reply_description.rs

@@ -116,7 +116,7 @@ fn render_text_segments(
     let link_color = visuals.hyperlink_color;
 
     for segment in segments {
-        match segment {
+        match &segment {
             TextSegment::Plain(text) => {
                 ui.add(
                     Label::new(RichText::new(text).size(size).color(color)).selectable(selectable),