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Add keyboard controls and finer tuning steps for frequency tuning

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-01-21 10:19:40 +00:00
parent 1e59cfd2ea
commit 88418b0850
2 changed files with 55 additions and 3 deletions
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42
static/js/modes/listening-post.js
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@@ -1542,6 +1542,44 @@ function initListeningPost() {
audioReconnectAttempts = 0;
});
}
// Keyboard controls for frequency tuning
document.addEventListener('keydown', function(e) {
// Only active in listening mode
if (typeof currentMode !== 'undefined' && currentMode !== 'listening') {
return;
}
// Don't intercept if user is typing in an input
const activeEl = document.activeElement;
if (activeEl && (activeEl.tagName === 'INPUT' || activeEl.tagName === 'TEXTAREA' || activeEl.tagName === 'SELECT')) {
return;
}
// Arrow keys for tuning
// Up/Down: fine tuning (Shift for ultra-fine)
// Left/Right: coarse tuning (Shift for very coarse)
let delta = 0;
switch (e.key) {
case 'ArrowUp':
delta = e.shiftKey ? 0.005 : 0.05;
break;
case 'ArrowDown':
delta = e.shiftKey ? -0.005 : -0.05;
break;
case 'ArrowRight':
delta = e.shiftKey ? 1 : 0.1;
break;
case 'ArrowLeft':
delta = e.shiftKey ? -1 : -0.1;
break;
default:
return; // Not a tuning key
}
e.preventDefault();
tuneFreq(delta);
});
}
// Initialize when DOM is ready
@@ -1940,8 +1978,10 @@ function tuneFreq(delta) {
const freqInput = document.getElementById('radioScanStart');
if (freqInput) {
let newFreq = parseFloat(freqInput.value) + delta;
// Round to 3 decimal places to avoid floating-point precision issues
newFreq = Math.round(newFreq * 1000) / 1000;
newFreq = Math.max(24, Math.min(1800, newFreq));
freqInput.value = newFreq.toFixed(1);
freqInput.value = newFreq.toFixed(3);
// Update display
const freqDisplay = document.getElementById('mainScannerFreq');