Improve GUI configuration and plotting tooling

crates/xserial-gui/src/panels/sidebar.rs

@@ -1,16 +1,21 @@
 use crate::app::ConnectionStatus;
 use egui::{Color32, RichText, Ui};
 
+pub struct SessionListItem {
+    pub id: u64,
+    pub status: ConnectionStatus,
+    pub transport_summary: String,
+}
+
 pub fn render(
     ui: &mut Ui,
-    sessions: &[(u64, ConnectionStatus)], // (id, 连接状态)
-    active: &mut usize,                   // 当前选中的会话索引
-    on_new: &mut bool,                    // 点击了"新建"
-    on_delete: &mut Option<usize>,        // 点击了"删除"
+    sessions: &[SessionListItem],
+    active: &mut usize,
+    on_new: &mut bool,
+    on_delete: &mut Option<usize>,
 ) {
     ui.heading("Sessions");
 
-    // 新建按钮 — 绿色文字
     if ui
         .button(RichText::new("+ New Session").color(Color32::GREEN))
         .clicked()
@@ -20,17 +25,18 @@ pub fn render(
 
     ui.separator();
 
-    // 会话列表
-    for (i, (id, status)) in sessions.iter().enumerate() {
-        let (color, icon) = match status {
-            ConnectionStatus::Connected => (Color32::GREEN, "●"),
-            ConnectionStatus::Disconnected => (Color32::GRAY, "○"),
-            ConnectionStatus::Connecting => (Color32::YELLOW, "◌"),
-            ConnectionStatus::Error(_) => (Color32::RED, "⨉"),
+    for (i, session) in sessions.iter().enumerate() {
+        let (color, status_tag) = match &session.status {
+            ConnectionStatus::Connected => (Color32::GREEN, "[connected]"),
+            ConnectionStatus::Disconnected => (Color32::GRAY, "[disconnected]"),
+            ConnectionStatus::Connecting => (Color32::YELLOW, "[connecting]"),
+            ConnectionStatus::Error(_) => (Color32::RED, "[error]"),
         };
 
-        // selectable_label: 点击高亮，clicked() 判断是否被点击
-        let label = format!("{} Session {}", icon, id);
+        let label = format!(
+            "{} Session {}\n{}",
+            status_tag, session.id, session.transport_summary
+        );
         if ui
             .selectable_label(*active == i, RichText::new(label).color(color))
             .clicked()
@@ -41,7 +47,6 @@ pub fn render(
 
     ui.separator();
 
-    // 删除按钮 — 红色文字
     if ui
         .button(RichText::new("Delete").color(Color32::RED))
         .clicked()