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

@@ -748,6 +748,24 @@ function elementById(id) {
     }
   }
   const overflowOrder = [".operator-layout-picker", ".header-style-pick", "#theme-toggle"];
+  function anchorMenu(button, menu) {
+    const rect = button.getBoundingClientRect();
+    menu.style.position = "fixed";
+    menu.style.zIndex = "200";
+    menu.style.top = "0px";
+    menu.style.bottom = "auto";
+    menu.style.right = "auto";
+    const width = menu.offsetWidth || 200;
+    const height = menu.offsetHeight || 0;
+    menu.style.left = `${String(Math.round(Math.min(Math.max(8, rect.right - width), window.innerWidth - width - 8)))}px`;
+    const below = rect.bottom + 8;
+    if (below + height <= window.innerHeight - 8) {
+      menu.style.top = `${String(Math.round(below))}px`;
+    } else {
+      menu.style.top = "auto";
+      menu.style.bottom = `${String(Math.round(window.innerHeight - rect.top + 8))}px`;
+    }
+  }
   function installTopBarOverflow() {
     const actions = document.querySelector(".top-bar-actions");
     if (!actions || document.getElementById("top-bar-more")) return;
@@ -777,6 +795,7 @@ function elementById(id) {
     button.addEventListener("click", () => {
       const open = menu.classList.toggle("is-open");
       button.setAttribute("aria-expanded", String(open));
+      if (open) anchorMenu(button, menu);
     });
     document.addEventListener("click", (event) => {
       if (!(event.target instanceof Node) || !wrap.contains(event.target)) closeMenu();
@@ -851,7 +870,10 @@ function elementById(id) {
     more.addEventListener("click", () => {
       const open = menu.classList.toggle("is-open");
       more.setAttribute("aria-expanded", String(open));
-      if (open) menu.querySelector('[role="menuitem"]')?.focus();
+      if (open) {
+        anchorMenu(more, menu);
+        menu.querySelector('[role="menuitem"]')?.focus();
+      }
     });
     document.addEventListener("click", (event) => {
       if (!(event.target instanceof Node) || !menu.contains(event.target) && !more.contains(event.target)) closeMore();

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

@@ -1531,25 +1531,10 @@ small { color: var(--text-muted); }
   align-items: center;
   gap: 0.2rem;
   min-width: 0;
-  /* 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. */
+  /* Never wraps and never scrolls: the occasional destinations live behind
+   * More, so four tabs plus More always fit.  overflow-x here would clip the
+   * dropdown this element anchors. */
   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; }
 /* Icons before scrolling: every tab already carries one, and four icons plus

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

@@ -326,6 +326,33 @@ function elementById<T extends HTMLElement>(id: string): T {
   // Audio, record and the rig picker are the operating controls and stay.
   const overflowOrder = [".operator-layout-picker", ".header-style-pick", "#theme-toggle"];
 
+  // Anchored at paint time in fixed coordinates.  An absolutely positioned
+  // dropdown is clipped by any scrolling ancestor and trapped inside the
+  // stacking context its ancestors create, so it can end up squashed inside
+  // the bar or painted underneath page content.  Fixed positioning answers to
+  // the viewport instead, and the menu flips above its button near the bottom
+  // edge.
+  function anchorMenu(button: HTMLElement, menu: HTMLElement) {
+    const rect = button.getBoundingClientRect();
+    menu.style.position = "fixed";
+    menu.style.zIndex = "200";
+    menu.style.top = "0px";
+    menu.style.bottom = "auto";
+    // The stylesheet pins these menus to the right of their anchor; leaving
+    // that in place while setting a left would stretch them across the bar.
+    menu.style.right = "auto";
+    const width = menu.offsetWidth || 200;
+    const height = menu.offsetHeight || 0;
+    menu.style.left = `${String(Math.round(Math.min(Math.max(8, rect.right - width), window.innerWidth - width - 8)))}px`;
+    const below = rect.bottom + 8;
+    if (below + height <= window.innerHeight - 8) {
+      menu.style.top = `${String(Math.round(below))}px`;
+    } else {
+      menu.style.top = "auto";
+      menu.style.bottom = `${String(Math.round(window.innerHeight - rect.top + 8))}px`;
+    }
+  }
+
   function installTopBarOverflow() {
     const actions = document.querySelector<HTMLElement>(".top-bar-actions");
     if (!actions || document.getElementById("top-bar-more")) return;
@@ -356,6 +383,7 @@ function elementById<T extends HTMLElement>(id: string): T {
     button.addEventListener("click", () => {
       const open = menu.classList.toggle("is-open");
       button.setAttribute("aria-expanded", String(open));
+      if (open) anchorMenu(button, menu);
     });
     document.addEventListener("click", (event) => {
       if (!(event.target instanceof Node) || !wrap.contains(event.target)) closeMenu();
@@ -445,7 +473,10 @@ function elementById<T extends HTMLElement>(id: string): T {
     more.addEventListener("click", () => {
       const open = menu.classList.toggle("is-open");
       more.setAttribute("aria-expanded", String(open));
-      if (open) menu.querySelector<HTMLElement>('[role="menuitem"]')?.focus();
+      if (open) {
+        anchorMenu(more, menu);
+        menu.querySelector<HTMLElement>('[role="menuitem"]')?.focus();
+      }
     });
     document.addEventListener("click", (event) => {
       if (!(event.target instanceof Node) || (!menu.contains(event.target) && !more.contains(event.target))) closeMore();