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[fix](trx-frontend-http): guard CW auto UI against concurrent SSE updates

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Add cwAutoLocalOverride flag in cw.js to block server-state snapshots
from overriding the checkbox while a user-initiated POST is in-flight.
Expose applyCwAutoUiFromServer for app.js render() to call instead of
applyCwAutoUi, preventing a racing SSE event carrying the old cw_auto
value from immediately undoing the user's toggle.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
Stan Grams
2026-03-06 22:07:05 +01:00
parent 91562b2a4b
commit 175abe35f9
2 changed files with 26 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js
+11 -15
View File
@@ -2479,28 +2479,24 @@ function render(update) {
const cwAutoEl = document.getElementById("cw-auto");
const cwWpmEl = document.getElementById("cw-wpm");
const cwToneEl = document.getElementById("cw-tone");
if (cwAutoEl && typeof update.cw_auto === "boolean") {
cwAutoEl.checked = update.cw_auto;
}
if (cwWpmEl && typeof update.cw_wpm === "number") {
cwWpmEl.value = update.cw_wpm;
}
if (cwToneEl && typeof update.cw_tone_hz === "number") {
cwToneEl.value = update.cw_tone_hz;
}
if ((cwWpmEl || cwToneEl) && typeof update.cw_auto === "boolean") {
const disabled = update.cw_auto;
if (typeof window.applyCwAutoUi === "function") {
window.applyCwAutoUi(disabled);
if (typeof update.cw_auto === "boolean") {
if (typeof window.applyCwAutoUiFromServer === "function") {
// cw.js is loaded: use the guarded path that respects in-flight user
// changes, preventing a concurrent SSE poll from re-enabling auto just
// after the user disabled it.
window.applyCwAutoUiFromServer(update.cw_auto);
} else if (typeof window.applyCwAutoUi === "function") {
window.applyCwAutoUi(update.cw_auto);
} else {
if (cwWpmEl) {
cwWpmEl.disabled = disabled;
cwWpmEl.readOnly = disabled;
}
if (cwToneEl) {
cwToneEl.disabled = disabled;
cwToneEl.readOnly = disabled;
}
if (cwAutoEl) cwAutoEl.checked = update.cw_auto;
if (cwWpmEl) { cwWpmEl.disabled = update.cw_auto; cwWpmEl.readOnly = update.cw_auto; }
if (cwToneEl) { cwToneEl.disabled = update.cw_auto; cwToneEl.readOnly = update.cw_auto; }
}
}
let activeFreqColor = "var(--accent-green)";