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[fix](trx-frontend): align spectrum RDS overlays vertically

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Keep virtual-channel RDS overlays on a shared vertical axis.

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
Stan Grams
2026-03-12 20:44:21 +01:00
parent add0a93424
commit e8326b4822
1 changed files with 3 additions and 8 deletions
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src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js
+3 -8
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@@ -1352,13 +1352,12 @@ function renderRdsOverlays() {
rdsPsOverlay.style.display = "none"; rdsPsOverlay.style.display = "none";
return; return;
} }
entries.forEach((entry, idx) => { entries.forEach((entry) => {
const html = buildRdsOverlayHtml(entry.rds); const html = buildRdsOverlayHtml(entry.rds);
if (!html) return; if (!html) return;
const el = document.createElement("div"); const el = document.createElement("div");
el.className = "rds-ps-overlay-item"; el.className = "rds-ps-overlay-item";
el.dataset.freqHz = String(entry.freq_hz); el.dataset.freqHz = String(entry.freq_hz);
el.dataset.stackIdx = String(idx);
el.innerHTML = html; el.innerHTML = html;
el.addEventListener("click", (evt) => { el.addEventListener("click", (evt) => {
evt.stopPropagation(); evt.stopPropagation();
@@ -1371,7 +1370,7 @@ function renderRdsOverlays() {
if (el.dataset.defaultZ) el.style.zIndex = el.dataset.defaultZ; if (el.dataset.defaultZ) el.style.zIndex = el.dataset.defaultZ;
}); });
rdsPsOverlay.appendChild(el); rdsPsOverlay.appendChild(el);
rdsOverlayEntries.push({ ...entry, el, stackIdx: idx }); rdsOverlayEntries.push({ ...entry, el });
}); });
if (rdsOverlayEntries.length === 0) { if (rdsOverlayEntries.length === 0) {
rdsPsOverlay.style.display = "none"; rdsPsOverlay.style.display = "none";
@@ -1389,9 +1388,6 @@ function positionRdsOverlays() {
if (width <= 0) return; if (width <= 0) return;
const range = spectrumVisibleRange(lastSpectrumData); const range = spectrumVisibleRange(lastSpectrumData);
if (!Number.isFinite(range.visLoHz) || !Number.isFinite(range.visSpanHz) || range.visSpanHz <= 0) return; if (!Number.isFinite(range.visLoHz) || !Number.isFinite(range.visSpanHz) || range.visSpanHz <= 0) return;
const count = rdsOverlayEntries.length;
const mid = (count - 1) / 2;
const stackStepPx = 26;
// Assign z-indices: sort by frequency ascending so higher-frequency layers // Assign z-indices: sort by frequency ascending so higher-frequency layers
// sit on top of lower-frequency ones in the default (non-hover) state. // sit on top of lower-frequency ones in the default (non-hover) state.
const sortedByFreq = [...rdsOverlayEntries].sort((a, b) => a.freq_hz - b.freq_hz); const sortedByFreq = [...rdsOverlayEntries].sort((a, b) => a.freq_hz - b.freq_hz);
@@ -1406,9 +1402,8 @@ function positionRdsOverlays() {
el.style.display = ""; el.style.display = "";
const rel = (entry.freq_hz - range.visLoHz) / range.visSpanHz; const rel = (entry.freq_hz - range.visLoHz) / range.visSpanHz;
const clamped = Math.max(0.06, Math.min(0.94, rel)); const clamped = Math.max(0.06, Math.min(0.94, rel));
const offsetPx = Math.round((idx - mid) * stackStepPx);
el.style.left = `${clamped * width}px`; el.style.left = `${clamped * width}px`;
el.style.top = `calc(50% + ${offsetPx}px)`; el.style.top = "50%";
const z = String(freqZMap.get(entry.id) ?? (idx + 1)); const z = String(freqZMap.get(entry.id) ?? (idx + 1));
el.style.zIndex = z; el.style.zIndex = z;
el.dataset.defaultZ = z; el.dataset.defaultZ = z;