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

@@ -747,6 +747,71 @@ function elementById(id) {
       api.applyLayout(savedLayoutName(), { persist: false });
     }
   }
+  const overflowOrder = [".operator-layout-picker", ".header-style-pick", "#theme-toggle"];
+  function installTopBarOverflow() {
+    const actions = document.querySelector(".top-bar-actions");
+    if (!actions || document.getElementById("top-bar-more")) return;
+    const wrap = document.createElement("div");
+    wrap.id = "top-bar-more";
+    wrap.className = "top-bar-more";
+    const button = document.createElement("button");
+    button.type = "button";
+    button.id = "top-bar-more-btn";
+    button.className = "header-bar-btn top-bar-more-btn";
+    button.textContent = "⋯";
+    button.setAttribute("aria-haspopup", "menu");
+    button.setAttribute("aria-expanded", "false");
+    button.setAttribute("aria-label", "More controls");
+    button.title = "More controls";
+    const menu = document.createElement("div");
+    menu.id = "top-bar-more-menu";
+    menu.className = "top-bar-more-menu";
+    menu.setAttribute("role", "menu");
+    button.setAttribute("aria-controls", menu.id);
+    wrap.append(button, menu);
+    actions.appendChild(wrap);
+    const closeMenu = () => {
+      menu.classList.remove("is-open");
+      button.setAttribute("aria-expanded", "false");
+    };
+    button.addEventListener("click", () => {
+      const open = menu.classList.toggle("is-open");
+      button.setAttribute("aria-expanded", String(open));
+    });
+    document.addEventListener("click", (event) => {
+      if (!(event.target instanceof Node) || !wrap.contains(event.target)) closeMenu();
+    });
+    document.addEventListener("keydown", (event) => {
+      if (event.key === "Escape") closeMenu();
+    });
+    const barFits = () => {
+      const bar = actions.closest(".tab-bar");
+      if (!bar) return true;
+      const identity = bar.querySelector(".header-main");
+      const nav = bar.querySelector(".tab-bar-nav");
+      const gutters = 48;
+      const needed = (identity?.offsetWidth ?? 0) + (nav?.scrollWidth ?? 0) + actions.scrollWidth + gutters;
+      return needed <= bar.clientWidth;
+    };
+    const reflowOverflow = () => {
+      overflowOrder.forEach((selector) => {
+        const element = menu.querySelector(selector);
+        if (element) actions.insertBefore(element, wrap);
+      });
+      wrap.hidden = true;
+      for (const selector of overflowOrder) {
+        if (barFits()) break;
+        const element = actions.querySelector(selector);
+        if (!element) continue;
+        wrap.hidden = false;
+        menu.appendChild(element);
+      }
+      wrap.hidden = menu.children.length === 0;
+      if (wrap.hidden) closeMenu();
+    };
+    reflowOverflow();
+    window.addEventListener("resize", reflowOverflow);
+  }
   function installMobileMore() {
     const nav = document.querySelector(".tab-bar-nav");
     if (!nav || document.getElementById("mobile-more-btn")) return;
@@ -853,6 +918,7 @@ function elementById(id) {
   api.init = function init() {
     ensureLiveRegions();
     installLayoutControls();
+    installTopBarOverflow();
     installMobileMore();
     installDecoderPicker();
     installDecoderBadges();

src/trx-client/trx-frontend/trx-frontend-http/assets/web/style.css

@@ -1229,12 +1229,20 @@ small { color: var(--text-muted); }
   gap: 0;
   flex-shrink: 0;
 }
+/* One row, always.  Controls that do not fit are moved into the overflow menu
+ * by ui-core rather than wrapping: wrapping made the header's height depend on
+ * the viewport width in a way that was not even monotonic (112px at 1440,
+ * 169px at 1100, 131px at 900), which is what made the bar feel unstable. */
 .top-bar-actions {
   display: flex;
-  align-items: flex-start;
-  gap: 0.45rem 0.6rem;
+  align-items: center;
+  gap: 0.4rem;
   min-width: 0;
-  flex-wrap: wrap;
+  flex-wrap: nowrap;
+}
+/* Every control in the bar is the same height and none of them stretch. */
+.top-bar-actions > * {
+  flex: 0 0 auto;
 }
 .header-bar-btn.header-audio-btn {
   width: 2rem;
@@ -1403,15 +1411,19 @@ small { color: var(--text-muted); }
   gap: 0.8rem;
   padding: 0.9rem 0.2rem 0;
 }
+/* Inline, not stacked: the summary used to sit under the select, making this
+ * the only 54px control in a bar of 32px ones. */
 .header-rig-switch {
-  display: grid;
-  grid-template-columns: minmax(0, 1fr);
-  align-items: start;
-  gap: 0.35rem;
+  display: flex;
+  align-items: center;
+  gap: 0.4rem;
+  min-width: 0;
 }
 .header-rig-summary {
   display: block;
-  max-width: 20rem;
+  max-width: 12rem;
+  flex: 0 1 auto;
+  min-width: 0;
   color: var(--text-muted);
   font-size: var(--fs-xs);
   line-height: 1.35;
@@ -1531,8 +1543,27 @@ small { color: var(--text-muted); }
   align-items: center;
   gap: 0.2rem;
   min-width: 0;
-  flex-wrap: wrap;
+  /* Scroll rather than wrap: eight labels wrapped into a ragged block (four
+   * rows at 1100px) and made the header's height depend on the viewport. */
+  flex-wrap: nowrap;
+  overflow-x: auto;
+  scrollbar-width: thin;
 }
+/* Fade the trailing edge so a tab scrolled out of view reads as "there is more"
+ * rather than as a label cut mid-word.  A mask rather than a colour-matched
+ * cover gradient: the card is transparent, so a cover would have to track the
+ * page background across both themes and all nine styles.  Only the trailing
+ * edge is faded, so the first tab stays crisp when the strip is at rest. */
+.tab-bar-nav {
+  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 2rem), transparent 100%);
+  mask-image: linear-gradient(to right, #000 calc(100% - 2rem), transparent 100%);
+}
+.tab-bar-nav::-webkit-scrollbar { height: 3px; }
+.tab-bar-nav::-webkit-scrollbar-thumb {
+  border-radius: 3px;
+  background: color-mix(in srgb, var(--border-light) 70%, transparent);
+}
+.tab-bar-nav .tab { flex: 0 0 auto; }
 .tab {
   background: transparent;
   border: none;
@@ -2964,7 +2995,10 @@ button.is-active {
   text-transform: uppercase;
   overflow: visible;
 }
-.operator-layout-picker::before { content: "Layout"; }
+/* The prefix made the least-used control the widest in the bar; the
+ * select carries its own aria-label and title instead. */
+.operator-layout-picker { padding-left: 0; }
+.operator-layout-picker select { max-width: 8rem; }
 .operator-layout-picker select {
   width: auto;
   min-height: 2rem;
@@ -3282,24 +3316,26 @@ body[data-operator-layout="broadcast"] #cw-bar-overlay {
   .toast-region { bottom: calc(5.7rem + env(safe-area-inset-bottom)); }
   .top-bar-actions {
     width: 100%;
-    justify-content: flex-start;
-    flex-wrap: wrap;
-    gap: 0.45rem;
+    justify-content: flex-end;
+    flex-wrap: nowrap;
+    gap: 0.4rem;
   }
   .operator-layout-picker { max-width: 100%; }
   .operator-layout-picker select { max-width: 10rem; }
   .header-rig-switch,
   .header-style-pick {
-    flex: 1 1 12rem;
+    flex: 0 0 auto;
     min-width: 0;
   }
   .header-rig-switch select,
   .header-style-pick select {
-    width: 100%;
+    width: auto;
     min-width: 0;
   }
+  /* Rig hardware/feature detail is on the left subtitle and the About tab. */
+  .header-rig-summary { display: none; }
   .header-bar-btn {
-    flex: 1 1 calc(50% - 0.3rem);
+    flex: 0 0 auto;
     min-width: 0;
   }
   #tab-main,
@@ -5379,3 +5415,34 @@ body[data-operator-layout="broadcast"] #cw-bar-overlay {
     font-size: max(0.75rem, 12px);
   }
 }
+
+
+/* --- Top bar overflow menu ------------------------------------------------ */
+.top-bar-more { position: relative; }
+.top-bar-more[hidden] { display: none; }
+.top-bar-more-btn {
+  width: 2rem;
+  height: 2rem;
+  min-height: 2rem;
+  padding: 0;
+  font-size: 1rem;
+  line-height: 1;
+}
+.top-bar-more-menu {
+  position: absolute;
+  top: calc(100% + 0.35rem);
+  right: 0;
+  z-index: 40;
+  display: none;
+  flex-direction: column;
+  gap: 0.4rem;
+  min-width: 12rem;
+  padding: 0.5rem;
+  border: 1px solid var(--border-light);
+  border-radius: var(--radius-md);
+  background: var(--surface);
+  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
+}
+.top-bar-more-menu.is-open { display: flex; }
+.top-bar-more-menu > * { width: 100%; }
+.top-bar-more-menu select { width: 100%; max-width: none; }

src/trx-client/trx-frontend/trx-frontend-http/frontend/src/ui-core.ts

@@ -322,6 +322,90 @@ function elementById<T extends HTMLElement>(id: string): T {
     }
   }
 
+  // Secondary controls, in the order they leave the bar when it gets tight.
+  // Audio, record and the rig picker are the operating controls and stay.
+  const overflowOrder = [".operator-layout-picker", ".header-style-pick", "#theme-toggle"];
+
+  function installTopBarOverflow() {
+    const actions = document.querySelector<HTMLElement>(".top-bar-actions");
+    if (!actions || document.getElementById("top-bar-more")) return;
+    const wrap = document.createElement("div");
+    wrap.id = "top-bar-more";
+    wrap.className = "top-bar-more";
+    const button = document.createElement("button");
+    button.type = "button";
+    button.id = "top-bar-more-btn";
+    button.className = "header-bar-btn top-bar-more-btn";
+    button.textContent = "⋯";
+    button.setAttribute("aria-haspopup", "menu");
+    button.setAttribute("aria-expanded", "false");
+    button.setAttribute("aria-label", "More controls");
+    button.title = "More controls";
+    const menu = document.createElement("div");
+    menu.id = "top-bar-more-menu";
+    menu.className = "top-bar-more-menu";
+    menu.setAttribute("role", "menu");
+    button.setAttribute("aria-controls", menu.id);
+    wrap.append(button, menu);
+    actions.appendChild(wrap);
+
+    const closeMenu = () => {
+      menu.classList.remove("is-open");
+      button.setAttribute("aria-expanded", "false");
+    };
+    button.addEventListener("click", () => {
+      const open = menu.classList.toggle("is-open");
+      button.setAttribute("aria-expanded", String(open));
+    });
+    document.addEventListener("click", (event) => {
+      if (!(event.target instanceof Node) || !wrap.contains(event.target)) closeMenu();
+    });
+    document.addEventListener("keydown", (event) => { if (event.key === "Escape") closeMenu(); });
+
+    // Measured against the bar, not the actions container: the actions are
+    // sized by their content, so their own scrollWidth never exceeds their
+    // clientWidth.  A viewport-width threshold is not enough either — how much
+    // fits depends on the rig name and the translated labels, so a bar that is
+    // wide enough on one rig clips a control on another.
+    // `bar.scrollWidth > bar.clientWidth` is true even when nothing is clipped,
+    // so it cannot be the test.  What actually matters is that the controls stay
+    // inside the bar and the page tabs are not squeezed into a scroller: seeing
+    // every tab beats keeping the style picker inline.
+    // Compare natural widths against the space available.  Rendered widths
+    // cannot answer this: the nav has min-width 0 and scrolls, so it always
+    // shrinks to the leftover space and always reports "scrolling", while the
+    // bar reports overflow even when nothing is clipped.  scrollWidth on a
+    // scroll container is its unconstrained content width, which is what a fit
+    // test needs.
+    const barFits = () => {
+      const bar = actions.closest<HTMLElement>(".tab-bar");
+      if (!bar) return true;
+      const identity = bar.querySelector<HTMLElement>(".header-main");
+      const nav = bar.querySelector<HTMLElement>(".tab-bar-nav");
+      const gutters = 48;
+      const needed = (identity?.offsetWidth ?? 0) + (nav?.scrollWidth ?? 0) + actions.scrollWidth + gutters;
+      return needed <= bar.clientWidth;
+    };
+    const reflowOverflow = () => {
+      overflowOrder.forEach((selector) => {
+        const element = menu.querySelector<HTMLElement>(selector);
+        if (element) actions.insertBefore(element, wrap);
+      });
+      wrap.hidden = true;
+      for (const selector of overflowOrder) {
+        if (barFits()) break;
+        const element = actions.querySelector<HTMLElement>(selector);
+        if (!element) continue;
+        wrap.hidden = false;
+        menu.appendChild(element);
+      }
+      wrap.hidden = menu.children.length === 0;
+      if (wrap.hidden) closeMenu();
+    };
+    reflowOverflow();
+    window.addEventListener("resize", reflowOverflow);
+  }
+
   function installMobileMore() {
     const nav = document.querySelector(".tab-bar-nav");
     if (!nav || document.getElementById("mobile-more-btn")) return;
@@ -426,6 +510,7 @@ function elementById<T extends HTMLElement>(id: string): T {
   api.init = function init() {
     ensureLiveRegions();
     installLayoutControls();
+    installTopBarOverflow();
     installMobileMore();
     installDecoderPicker();
     installDecoderBadges();