2019-10-28 11:42:17 +08:00
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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2022-06-17 15:37:17 +08:00
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#nullable disable
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2019-10-27 14:19:36 +08:00
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using osu.Framework.Allocation;
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2019-10-28 15:21:31 +08:00
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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2019-10-27 14:19:36 +08:00
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using osu.Game.Beatmaps.ControlPoints;
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2020-09-07 16:39:13 +08:00
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using osu.Game.Graphics.UserInterfaceV2;
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2019-10-27 14:19:36 +08:00
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namespace osu.Game.Screens.Edit.Timing
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{
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internal class TimingSection : Section<TimingControlPoint>
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{
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2022-01-23 01:54:28 +08:00
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private LabelledTimeSignature timeSignature;
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private BPMTextBox bpmTextEntry;
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[BackgroundDependencyLoader]
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private void load()
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{
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Flow.AddRange(new Drawable[]
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{
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2022-05-20 13:34:33 +08:00
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new TapTimingControl(),
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bpmTextEntry = new BPMTextBox(),
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timeSignature = new LabelledTimeSignature
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{
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Label = "Time Signature"
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}
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2019-10-27 14:19:36 +08:00
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});
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}
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2022-05-31 17:27:18 +08:00
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protected override void LoadComplete()
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{
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base.LoadComplete();
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bpmTextEntry.Current.BindValueChanged(_ => saveChanges());
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timeSignature.Current.BindValueChanged(_ => saveChanges());
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void saveChanges()
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{
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if (!isRebinding) ChangeHandler?.SaveState();
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}
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}
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private bool isRebinding;
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2019-11-06 13:36:43 +08:00
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protected override void OnControlPointChanged(ValueChangedEvent<TimingControlPoint> point)
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{
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if (point.NewValue != null)
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{
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isRebinding = true;
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2020-10-02 16:55:47 +08:00
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2022-05-31 17:27:18 +08:00
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bpmTextEntry.Bindable = point.NewValue.BeatLengthBindable;
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2020-10-06 16:18:41 +08:00
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timeSignature.Current = point.NewValue.TimeSignatureBindable;
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isRebinding = false;
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}
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}
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protected override TimingControlPoint CreatePoint()
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{
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var reference = Beatmap.ControlPointInfo.TimingPointAt(SelectedGroup.Value.Time);
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return new TimingControlPoint
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{
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BeatLength = reference.BeatLength,
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TimeSignature = reference.TimeSignature
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};
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}
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private class BPMTextBox : LabelledTextBox
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{
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private readonly BindableNumber<double> beatLengthBindable = new TimingControlPoint().BeatLengthBindable;
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public BPMTextBox()
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{
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Label = "BPM";
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2022-06-24 20:25:23 +08:00
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OnCommit += (_, isNew) =>
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{
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if (!isNew) return;
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2020-10-01 12:06:24 +08:00
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try
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{
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if (double.TryParse(Current.Value, out double doubleVal) && doubleVal > 0)
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beatLengthBindable.Value = beatLengthToBpm(doubleVal);
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}
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2020-10-01 12:06:24 +08:00
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catch
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{
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// TriggerChange below will restore the previous text value on failure.
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}
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// This is run regardless of parsing success as the parsed number may not actually trigger a change
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// due to bindable clamping. Even in such a case we want to update the textbox to a sane visual state.
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beatLengthBindable.TriggerChange();
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2020-09-07 16:39:13 +08:00
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};
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beatLengthBindable.BindValueChanged(val =>
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{
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Current.Value = beatLengthToBpm(val.NewValue).ToString("N2");
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}, true);
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}
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public Bindable<double> Bindable
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{
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get => beatLengthBindable;
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set
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{
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// incoming will be beat length, not bpm
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beatLengthBindable.UnbindBindings();
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beatLengthBindable.BindTo(value);
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}
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}
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}
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private static double beatLengthToBpm(double beatLength) => 60000 / beatLength;
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2019-10-27 14:19:36 +08:00
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}
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}
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