Implement too many changes to list
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@@ -14,31 +14,31 @@ namespace KernelPanic.UI
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private const int ExtraLines = 2;
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private const int TickMilliseconds = 450;
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private readonly VisualElement layer;
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private readonly IReadOnlyList<string> sourceLines;
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private readonly List<Label> labels = new();
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private IVisualElementScheduledItem tickSchedule;
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private float lastRegionHeight;
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private int cursor;
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private bool reducedMotion;
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private bool started;
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private readonly VisualElement _layer;
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private readonly IReadOnlyList<string> _sourceLines;
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private readonly List<Label> _labels = new();
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private IVisualElementScheduledItem _tickSchedule;
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private float _lastRegionHeight;
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private int _cursor;
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private bool _reducedMotion;
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private bool _started;
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public BackgroundLogRingBuffer(VisualElement layer, IReadOnlyList<string> sourceLines)
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{
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this.layer = layer;
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this.sourceLines = sourceLines ?? Array.Empty<string>();
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this.layer.RegisterCallback<GeometryChangedEvent>(HandleGeometryChanged);
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this._layer = layer;
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this._sourceLines = sourceLines ?? Array.Empty<string>();
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this._layer.RegisterCallback<GeometryChangedEvent>(HandleGeometryChanged);
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}
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public void Start(bool useReducedMotion)
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{
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reducedMotion = useReducedMotion;
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started = true;
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cursor = 0;
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_reducedMotion = useReducedMotion;
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_started = true;
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_cursor = 0;
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if (lastRegionHeight > 0f)
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if (_lastRegionHeight > 0f)
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{
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RebuildLabelsForHeight(lastRegionHeight);
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RebuildLabelsForHeight(_lastRegionHeight);
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Render();
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}
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@@ -47,9 +47,9 @@ namespace KernelPanic.UI
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public void Stop()
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{
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started = false;
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tickSchedule?.Pause();
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tickSchedule = null;
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_started = false;
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_tickSchedule?.Pause();
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_tickSchedule = null;
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}
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private void HandleGeometryChanged(GeometryChangedEvent evt)
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@@ -59,8 +59,8 @@ namespace KernelPanic.UI
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return;
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}
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lastRegionHeight = evt.newRect.height;
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if (!started)
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_lastRegionHeight = evt.newRect.height;
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if (!_started)
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{
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return;
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}
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@@ -72,52 +72,52 @@ namespace KernelPanic.UI
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private void RebuildLabelsForHeight(float regionHeight)
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{
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int targetCount = Mathf.Max(ExtraLines, Mathf.CeilToInt(regionHeight / LineHeight) + ExtraLines);
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if (labels.Count == targetCount)
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if (_labels.Count == targetCount)
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{
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return;
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}
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layer.Clear();
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labels.Clear();
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_layer.Clear();
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_labels.Clear();
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for (int i = 0; i < targetCount; i++)
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{
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Label label = new() { pickingMode = PickingMode.Ignore };
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label.AddToClassList("background-log-line");
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layer.Add(label);
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labels.Add(label);
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_layer.Add(label);
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_labels.Add(label);
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}
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}
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private void RestartTick()
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{
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tickSchedule?.Pause();
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tickSchedule = null;
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_tickSchedule?.Pause();
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_tickSchedule = null;
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if (reducedMotion || sourceLines.Count == 0)
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if (_reducedMotion || _sourceLines.Count == 0)
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{
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return;
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}
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tickSchedule = layer.schedule.Execute(Advance).Every(TickMilliseconds);
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_tickSchedule = _layer.schedule.Execute(Advance).Every(TickMilliseconds);
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}
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private void Advance()
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{
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if (sourceLines.Count == 0)
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if (_sourceLines.Count == 0)
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{
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return;
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}
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cursor = (cursor + 1) % sourceLines.Count;
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_cursor = (_cursor + 1) % _sourceLines.Count;
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Render();
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}
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private void Render()
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{
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if (sourceLines.Count == 0)
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if (_sourceLines.Count == 0)
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{
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foreach (Label label in labels)
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foreach (Label label in _labels)
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{
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label.text = string.Empty;
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}
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@@ -125,9 +125,9 @@ namespace KernelPanic.UI
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return;
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}
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for (int i = 0; i < labels.Count; i++)
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for (int i = 0; i < _labels.Count; i++)
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{
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labels[i].text = sourceLines[(cursor + i) % sourceLines.Count];
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_labels[i].text = _sourceLines[(_cursor + i) % _sourceLines.Count];
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}
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}
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}
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