[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/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
-                    <input id="sdr-gain-db" class="status-input" type="number" min="0" max="60" step="1" inputmode="decimal">
-                  </label>
-                  <button id="sdr-gain-set" type="button" class="status-input">Set</button>
+                  <div class="inline" id="sdr-gain-controls">
+                    <label class="wfm-control">RF Gain
+                      <input id="sdr-gain-db" class="status-input" type="number" min="0" max="60" step="1" inputmode="decimal">
+                    </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")))
                 })