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Add configurable VFO frequency range with GHz support

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- Settings > Display: new "VFO Display" control to select max frequency
  range (999 MHz / 9.999 GHz / 99.999 GHz), persisted as freq_mhz_digits
- FreqDisplay: extend digit map [0..10] to support up to 11 digit positions;
  keyboard navigation adapts to MinMhzDigits dynamically
- MainForm/LayoutTopVfoBlock: VFO panel width scales automatically with
  selected digit count using dynamic text measurement
- Web VFO: fix broken HTML (class attr not closed before data-s — wheel and
  hover were completely non-functional); rewrite fmtVfo to use variable MHz
  digit count synced from server state; fix missing </span> for .vfo-hz
- WebServer: publish freq_mhz_digits in state JSON; updated from
  ApplyFreqMhzDigits so desktop and web stay in sync
- Fix Int32 overflow on frequencies above ~2.15 GHz: CATEngine.Pad V param
  Int64, FormatFreq/FormatFreqSV Mhz var Int64 (Mhz*1000000 overflowed)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
ew8bak
2026-05-15 13:13:52 +03:00
co-authored by Claude Sonnet 4.6
parent 5ac7ddc976
commit efc21b92e6
8 changed files with 105 additions and 35 deletions
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SpectrumView.pas
+2 -2
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@@ -371,12 +371,12 @@ begin
end;
function FormatFreqSV(Hz: Double): string;
var Mhz, KHz, Rest: Integer;
var Mhz: Int64; KHz, Rest: Integer;
begin
Mhz := Trunc(Hz / 1000000);
KHz := Trunc((Hz - Mhz * 1000000) / 1000);
Rest := Trunc(Hz) mod 1000;
Result := Format('%3d.%3.3d.%3.3d', [Mhz, KHz, Rest]);
Result := Format('%d.%3.3d.%3.3d', [Mhz, KHz, Rest]);
end;
// ════════════════════════════════════════════════════════════════════════════