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Replacing structure to use LimitedCapacityQueue.cs

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This commit is contained in:
Dragon
2022-11-17 11:35:13 +01:00
committed by Terochi
parent a9747d367c
commit a25c94d567
2 changed files with 31 additions and 50 deletions
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70
osu.Game/Graphics/UserInterface/HistoryTextBox.cs
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@ -1,46 +1,44 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Input.Events;
using osu.Game.Rulesets.Difficulty.Utils;
using osuTK.Input;
namespace osu.Game.Graphics.UserInterface
{
public class HistoryTextBox : FocusedTextBox
{
private readonly int historyLimit;
private readonly List<string> messageHistory;
private readonly LimitedCapacityQueue<string> messageHistory;
public IReadOnlyList<string> MessageHistory =>
Enumerable.Range(0, HistoryLength).Select(GetOldMessage).ToList();
public IEnumerable<string> GetMessageHistory()
{
if (HistoryCount == 0)
yield break;
public int HistoryLength => messageHistory.Count;
for (int i = HistoryCount - 1; i >= 0; i--)
yield return messageHistory[i];
}
private int startIndex;
private int selectedIndex = -1;
public int HistoryCount => messageHistory.Count;
private int selectedIndex;
private string originalMessage = string.Empty;
private bool everythingSelected;
private int getNormalizedIndex(int index) =>
(HistoryLength + startIndex - index - 1) % HistoryLength;
public string GetOldMessage(int index) => messageHistory[HistoryCount - index - 1];
public HistoryTextBox(int historyLimit = 100)
public HistoryTextBox(int capacity = 100)
{
if (historyLimit <= 0)
throw new ArgumentOutOfRangeException();
this.historyLimit = historyLimit;
messageHistory = new List<string>(historyLimit);
messageHistory = new LimitedCapacityQueue<string>(capacity);
Current.ValueChanged += text =>
{
if (string.IsNullOrEmpty(text.NewValue) || everythingSelected)
{
selectedIndex = -1;
selectedIndex = HistoryCount;
everythingSelected = false;
}
};
@ -53,41 +51,33 @@ namespace osu.Game.Graphics.UserInterface
base.OnTextSelectionChanged(selectionType);
}
public string GetOldMessage(int index)
{
if (index < 0 || index >= HistoryLength)
throw new ArgumentOutOfRangeException();
return HistoryLength == 0 ? string.Empty : messageHistory[getNormalizedIndex(index)];
}
protected override bool OnKeyDown(KeyDownEvent e)
{
switch (e.Key)
{
case Key.Up:
if (selectedIndex == HistoryLength - 1)
if (selectedIndex == 0)
return true;
if (selectedIndex == -1)
if (selectedIndex == HistoryCount)
originalMessage = Text;
Text = messageHistory[getNormalizedIndex(++selectedIndex)];
Text = messageHistory[--selectedIndex];
return true;
case Key.Down:
if (selectedIndex == -1)
if (selectedIndex == HistoryCount)
return true;
if (selectedIndex == 0)
if (selectedIndex == HistoryCount - 1)
{
selectedIndex = -1;
selectedIndex = HistoryCount;
Text = originalMessage;
return true;
}
Text = messageHistory[getNormalizedIndex(--selectedIndex)];
Text = messageHistory[++selectedIndex];
return true;
}
@ -98,19 +88,9 @@ namespace osu.Game.Graphics.UserInterface
protected override void Commit()
{
if (!string.IsNullOrEmpty(Text))
{
if (HistoryLength == historyLimit)
{
messageHistory[startIndex++] = Text;
startIndex %= historyLimit;
}
else
{
messageHistory.Add(Text);
}
}
messageHistory.Enqueue(Text);
selectedIndex = -1;
selectedIndex = HistoryCount;
base.Commit();
}