Ability to collapse threads

src/ui/feed.rs

@@ -4,7 +4,8 @@ use crate::globals::{Globals, GLOBALS};
 use crate::ui::widgets::{CopyButton, ReplyButton};
 use eframe::egui;
 use egui::{
-    Align, Color32, Context, Frame, Layout, RichText, ScrollArea, TextEdit, TextStyle, Ui, Vec2,
+    Align, Color32, Context, Frame, Label, Layout, RichText, ScrollArea, Sense, TextEdit,
+    TextStyle, Ui, Vec2,
 };
 use nostr_types::{EventKind, Id};
 
@@ -201,6 +202,17 @@ fn render_post(
     ui.horizontal(|ui| {
         // Indents first (if threaded)
         if threaded {
+            #[allow(clippy::collapsible_else_if)]
+            if app.hides.contains(&id) {
+                if ui.add(Label::new("▶").sense(Sense::click())).clicked() {
+                    app.hides.retain(|e| *e != id)
+                }
+            } else {
+                if ui.add(Label::new("▼").sense(Sense::click())).clicked() {
+                    app.hides.push(id);
+                }
+            }
+
             let space = 16.0 * (10.0 - (100.0 / (indent as f32 + 10.0)));
             ui.add_space(space);
             if indent > 0 {
@@ -301,7 +313,7 @@ fn render_post(
 
     ui.separator();
 
-    if threaded && !as_reply_to {
+    if threaded && !as_reply_to && !app.hides.contains(&id) {
         for reply_id in replies {
             render_post(app, _ctx, _frame, ui, reply_id, indent + 1, as_reply_to);
         }

src/ui/mod.rs

@@ -75,6 +75,7 @@ struct GossipUi {
     import_bech32: String,
     import_hex: String,
     replying_to: Option<Id>,
+    hides: Vec<Id>,
 }
 
 impl Drop for GossipUi {
@@ -141,6 +142,7 @@ impl GossipUi {
             import_bech32: "".to_owned(),
             import_hex: "".to_owned(),
             replying_to: None,
+            hides: Vec::new(),
         }
     }
 }