wehub-resource-sync
86 lines
2.7 KiB
C#
86 lines
2.7 KiB
C#
namespace T3.Editor.Gui.Interaction.Midi.CommandProcessing;
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/// <summary>
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/// Describes either a single or range of buttons on a midi device
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/// </summary>
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public readonly struct ButtonRange
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{
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public ButtonRange(int startIndex)
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{
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_startIndex = startIndex;
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_lastIndex = startIndex;
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_reversed = true;
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_mapToIndex = null;
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}
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public override string ToString()
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{
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return _startIndex == _lastIndex
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? $"[{_startIndex}]"
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: $"[{_startIndex}..{_lastIndex}] {(_reversed ? " reversed" : "")}";
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}
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/// <param name="mapToIndex">
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/// Optional remap from the button's position within the range (0..count-1) to the snapshot
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/// activation index it controls. Lets a device translate its physical pad numbering to the
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/// canonical 0-based, top-left-first order (e.g. the APC Mini flips its bottom-up rows). Applied
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/// to both LED output and button input, so the two stay in sync.
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/// </param>
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public ButtonRange(int startIndex, int lastIndex, bool reversed = false, Func<int, int> mapToIndex = null)
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{
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_startIndex = startIndex;
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_lastIndex = lastIndex;
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_reversed = reversed;
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_mapToIndex = mapToIndex;
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}
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public bool IncludesButtonIndex(int index)
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{
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return index >= _startIndex && index <= _lastIndex;
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}
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public int GetMappedIndex(int buttonIndex)
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{
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var position = _reversed
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? _lastIndex - (buttonIndex - _startIndex)
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: buttonIndex - _startIndex;
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return _mapToIndex != null ? _mapToIndex(position) : position;
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}
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public IEnumerable<int> Indices()
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{
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for (var index = _startIndex; index <= _lastIndex; index++)
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{
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yield return _reversed
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? (_lastIndex-_startIndex)
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: index;
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}
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}
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public IEnumerable<int> GetMatchingIndicesFromSignals(List<ButtonSignal> signals)
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{
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if(signals.Count == 0)
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return new List<int>();
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var matches = new List<int>();
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foreach (var s in signals)
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{
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if(IncludesButtonIndex(s.ButtonId))
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matches.Add(GetMappedIndex(s.ButtonId));
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}
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return matches;
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}
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public bool IsRange => _lastIndex > _startIndex;
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public int StartIndex => _startIndex;
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public int LastIndex => _lastIndex;
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private readonly int _startIndex;
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private readonly int _lastIndex;
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private readonly bool _reversed;
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private readonly Func<int, int> _mapToIndex;
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} |