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Count down the band change timer in the status bar

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SOBandChangeTimerDuration and MOBandChangeTimerDuration say how long a
station has to stay on a band it has just moved to. Both were read by
nothing: N1MM counts them down in its info window, which this program
does not have.

The countdown now stands in the entry window's status bar, next to the
contacts and multipliers, ticking with the clock that is already there.
BandChangeRules.StayLeft works it out from the log, starting the stay at
the minute after the contact that changed band, which is where N1MM
starts it.

Which contests show it is decided at runtime rather than by a list: the
rules come from the contest for the entry's own category, so a file that
asks for no stay, or asks for one only of single-op entries while the
station is entered multi-op, shows nothing at all.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RoGtneMQaz4M9w7Kk49AVD
This commit is contained in:
ericek111
2026-08-31 13:51:17 +00:00
parent de010fb981
commit 2eeda451c3
6 changed files with 127 additions and 13 deletions
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41
tests/Nonemm.Contests.Tests/BandChangeRulesTests.cs
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@@ -8,10 +8,10 @@ public class BandChangeRulesTests
{
private static readonly DateTime Start = new(2026, 5, 30, 12, 0, 0, DateTimeKind.Utc);
private static Qso At(int minutes, double kilohertz, Mode? mode = null) =>
private static Qso At(int minutes, double kilohertz, Mode? mode = null, int seconds = 0) =>
TestLog.Contact("OM3XYZ", kilohertz, mode: mode) with
{
TimestampUtc = Start.AddMinutes(minutes),
TimestampUtc = Start.AddMinutes(minutes).AddSeconds(seconds),
};
[Fact]
@@ -59,6 +59,43 @@ public class BandChangeRulesTests
[At(0, 14_025), At(5, 14_250, Modes.Usb)],
Start.AddMinutes(10)));
/// The stay runs from the minute after the contact that changed band, so a
/// change at 12:05:40 with a ten-minute stay has five minutes left at
/// 12:11. N1MM starts it the same way.
[Fact]
public void TheStayCountsDownFromTheMinuteAfterTheChange()
{
BandChangeRules rules = new(8, MinimumStay: TimeSpan.FromMinutes(10));
Assert.Equal(
TimeSpan.FromMinutes(5),
rules.StayLeft([At(0, 14_025), At(5, 7_040, seconds: 40)], Start.AddMinutes(11)));
}
[Fact]
public void TheStayIsUpOnceTheTimeHasPassed() =>
Assert.Equal(
TimeSpan.Zero,
new BandChangeRules(8, MinimumStay: TimeSpan.FromMinutes(10)).StayLeft(
[At(0, 14_025), At(5, 7_040)],
Start.AddMinutes(30)));
/// A log that has stayed on one band has nothing to count down.
[Fact]
public void NothingCountsDownUntilTheStationChangesBand() =>
Assert.Equal(
TimeSpan.Zero,
new BandChangeRules(8, MinimumStay: TimeSpan.FromMinutes(10)).StayLeft(
[At(0, 14_025), At(5, 14_030)],
Start.AddMinutes(6)));
[Fact]
public void AContestThatAsksForNoStayHasNoTimer()
{
Assert.False(new BandChangeRules(8).HasStayTimer);
Assert.True(new BandChangeRules(8, MinimumStay: TimeSpan.FromMinutes(10)).HasStayTimer);
}
[Fact]
public void AContestWithNoLimitCountsNothing() => Assert.False(BandChangeRules.None.IsCounted);
}