[feat](trx-client,trx-frontend-http): add default rig and hideable rf gain

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>

src/trx-client/src/config.rs

@@ -228,6 +228,10 @@ pub struct HttpFrontendConfig {
     pub listen: IpAddr,
     /// Listen port
     pub port: u16,
+    /// Default rig selected in the web UI on startup.
+    pub default_rig_id: Option<String>,
+    /// Whether to expose the RF Gain control in the web UI.
+    pub show_sdr_gain_control: bool,
     /// Authentication settings
     pub auth: HttpAuthConfig,
 }
@@ -238,6 +242,8 @@ impl Default for HttpFrontendConfig {
             enabled: true,
             listen: IpAddr::from([127, 0, 0, 1]),
             port: 8080,
+            default_rig_id: None,
+            show_sdr_gain_control: true,
             auth: HttpAuthConfig::default(),
         }
     }
@@ -329,6 +335,11 @@ impl ClientConfig {
         if self.frontends.http.enabled && self.frontends.http.port == 0 {
             return Err("[frontends.http].port must be > 0 when enabled".to_string());
         }
+        if let Some(rig_id) = &self.frontends.http.default_rig_id {
+            if rig_id.trim().is_empty() {
+                return Err("[frontends.http].default_rig_id must not be empty when set".to_string());
+            }
+        }
         if self.frontends.rigctl.enabled && self.frontends.rigctl.rig_ports.is_empty() {
             return Err(
                 "[frontends.rigctl].rig_ports must contain at least one rig when enabled"
@@ -420,6 +431,8 @@ impl ClientConfig {
                     enabled: true,
                     listen: IpAddr::from([127, 0, 0, 1]),
                     port: 8080,
+                    default_rig_id: Some("hf".to_string()),
+                    show_sdr_gain_control: true,
                     auth: HttpAuthConfig {
                         enabled: false,
                         rx_passphrase: Some("rx-passphrase-example".to_string()),

src/trx-client/src/main.rs

@@ -177,6 +177,7 @@ async fn async_init() -> DynResult<AppState> {
         config::CookieSameSite::Lax => "Lax".to_string(),
         config::CookieSameSite::None => "None".to_string(),
     };
+    frontend_runtime.http_show_sdr_gain_control = cfg.frontends.http.show_sdr_gain_control;
 
     // Resolve remote URL: CLI > config [remote] section > error
     let remote_url = cli
@@ -189,7 +190,11 @@ async fn async_init() -> DynResult<AppState> {
         parse_remote_url(&remote_url).map_err(|e| format!("Invalid remote URL: {}", e))?;
 
     let remote_token = cli.token.clone().or_else(|| cfg.remote.auth.token.clone());
-    let remote_rig_id = cli.rig_id.clone().or_else(|| cfg.remote.rig_id.clone());
+    let remote_rig_id = cli
+        .rig_id
+        .clone()
+        .or_else(|| cfg.frontends.http.default_rig_id.clone())
+        .or_else(|| cfg.remote.rig_id.clone());
     if let Ok(mut guard) = frontend_runtime.remote_active_rig_id.lock() {
         *guard = remote_rig_id.clone();
     }

src/trx-client/trx-frontend/src/lib.rs

@@ -166,6 +166,8 @@ pub struct FrontendRuntimeContext {
     pub http_auth_cookie_secure: bool,
     /// HTTP frontend auth cookie same-site policy
     pub http_auth_cookie_same_site: String,
+    /// Whether the HTTP UI should expose the RF Gain control.
+    pub http_show_sdr_gain_control: bool,
     /// Currently selected remote rig id (used by remote client routing).
     pub remote_active_rig_id: Arc<Mutex<Option<String>>>,
     /// Cached remote rig list from GetRigs polling.
@@ -199,6 +201,7 @@ impl FrontendRuntimeContext {
             http_auth_session_ttl_secs: 480 * 60,
             http_auth_cookie_secure: false,
             http_auth_cookie_same_site: "Lax".to_string(),
+            http_show_sdr_gain_control: true,
             remote_active_rig_id: Arc::new(Mutex::new(None)),
             remote_rigs: Arc::new(Mutex::new(Vec::new())),
             owner_callsign: None,

src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js

@@ -1281,6 +1281,9 @@ function render(update) {
       wfmStFlagEl.classList.toggle("wfm-st-flag-mono", !detected);
     }
   }
+  if (sdrGainControlsEl && typeof update.show_sdr_gain_control === "boolean") {
+    sdrGainControlsEl.style.display = update.show_sdr_gain_control ? "" : "none";
+  }
   if (update.status && update.status.freq && typeof update.status.freq.hz === "number") {
     applyLocalTunedFrequency(update.status.freq.hz, true);
   }
@@ -2574,6 +2577,7 @@ const audioRow = document.getElementById("audio-row");
 const wfmControlsCol = document.getElementById("wfm-controls-col");
 const wfmDeemphasisEl = document.getElementById("wfm-deemphasis");
 const wfmAudioModeEl = document.getElementById("wfm-audio-mode");
+const sdrGainControlsEl = document.getElementById("sdr-gain-controls");
 const sdrGainEl = document.getElementById("sdr-gain-db");
 const sdrGainSetBtn = document.getElementById("sdr-gain-set");
 const wfmStFlagEl = document.getElementById("wfm-st-flag");

src/trx-client/trx-frontend/trx-frontend-http/assets/web/index.html

@@ -165,10 +165,12 @@
                       <option value="mono">Mono</option>
                     </select>
                   </label>
-                  <label class="wfm-control">RF Gain
+                  <div class="inline" id="sdr-gain-controls">
-                    <input id="sdr-gain-db" class="status-input" type="number" min="0" max="60" step="1" inputmode="decimal">
+                    <label class="wfm-control">RF Gain
-                  </label>
+                      <input id="sdr-gain-db" class="status-input" type="number" min="0" max="60" step="1" inputmode="decimal">
-                  <button id="sdr-gain-set" type="button" class="status-input">Set</button>
+                    </label>
+                    <button id="sdr-gain-set" type="button" class="status-input">Set</button>
+                  </div>
                   <label class="wfm-control wfm-st-flag-wrap" aria-label="Stereo pilot status">
                     <span id="wfm-st-flag" class="wfm-st-flag wfm-st-flag-mono">MO</span>
                   </label>

src/trx-client/trx-frontend/trx-frontend-http/src/api.rs

@@ -45,6 +45,7 @@ pub async fn status_api(
         active_rig_id_from_context(context.get_ref().as_ref()),
         rig_ids_from_context(context.get_ref().as_ref()),
         owner_callsign_from_context(context.get_ref().as_ref()),
+        show_sdr_gain_control_from_context(context.get_ref().as_ref()),
     );
     Ok(HttpResponse::Ok()
         .insert_header((header::CONTENT_TYPE, "application/json"))
@@ -60,6 +61,7 @@ fn inject_frontend_meta(
     active_rig_id: Option<String>,
     rig_ids: Vec<String>,
     owner_callsign: Option<String>,
+    show_sdr_gain_control: bool,
 ) -> String {
     let mut value: serde_json::Value = match serde_json::from_str(json) {
         Ok(v) => v,
@@ -84,6 +86,10 @@ fn inject_frontend_meta(
     if let Some(owner) = owner_callsign {
         map.insert("owner_callsign".to_string(), serde_json::json!(owner));
     }
+    map.insert(
+        "show_sdr_gain_control".to_string(),
+        serde_json::json!(show_sdr_gain_control),
+    );
 
     serde_json::to_string(&value).unwrap_or_else(|_| json.to_string())
 }
@@ -118,6 +124,10 @@ fn owner_callsign_from_context(context: &FrontendRuntimeContext) -> Option<Strin
     context.owner_callsign.clone()
 }
 
+fn show_sdr_gain_control_from_context(context: &FrontendRuntimeContext) -> bool {
+    context.http_show_sdr_gain_control
+}
+
 #[get("/events")]
 pub async fn events(
     state: web::Data<watch::Receiver<RigState>>,
@@ -140,6 +150,7 @@ pub async fn events(
         active_rig_id_from_context(context.get_ref().as_ref()),
         rig_ids_from_context(context.get_ref().as_ref()),
         owner_callsign_from_context(context.get_ref().as_ref()),
+        show_sdr_gain_control_from_context(context.get_ref().as_ref()),
     );
     let initial_stream =
         once(async move { Ok::<Bytes, Error>(Bytes::from(format!("data: {initial_json}\n\n"))) });
@@ -160,6 +171,7 @@ pub async fn events(
                         active_rig_id_from_context(context.as_ref()),
                         rig_ids_from_context(context.as_ref()),
                         owner_callsign_from_context(context.as_ref()),
+                        show_sdr_gain_control_from_context(context.as_ref()),
                     );
                     Ok::<Bytes, Error>(Bytes::from(format!("data: {json}\n\n")))
                 })