- add: Abbreviation helper (#435)

Content.Client/_White/Chat/ChatBoxExtend.cs

@@ -0,0 +1,131 @@
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using Content.Client._White.Chat;
+using Robust.Client.Graphics;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+using Robust.Shared.Utility;
+
+namespace Content.Client.UserInterface.Systems.Chat.Widgets; // НЕ ТРОГАТЬ НАХУЙ! ФИЧА БЛЯТЬ!
+
+#pragma warning disable RA0003
+public partial class ChatBox
+#pragma warning restore RA0003
+{
+    [Dependency] private readonly IChatAbbreviationManager _chatAbbreviationManager = default!;
+
+    private readonly RichTextLabel _currentLabel = new();
+    private readonly FormattedMessage _currentMessage = new();
+
+    private readonly RichTextLabel _fullLabel = new();
+    private readonly FormattedMessage _fullMessage = new();
+
+    public void InitializeExtension()
+    {
+        ChatInput.Input.OnTextChanged += InputTextChanged;
+        ChatInput.Input.OnFocusEnter += OnEnter;
+        ChatInput.Input.OnFocusExit += OnExit;
+        ChatInput.Input.OnTextEntered += InputTextEntered;
+
+        _currentLabel.SetMessage(_currentMessage);
+        _fullLabel.SetMessage(_fullMessage);
+
+        ChatInput.AddChild(_currentLabel);
+        ChatInput.AddChild(_fullLabel);
+    }
+
+    private void InputTextEntered(LineEdit.LineEditEventArgs obj)
+    {
+        _currentMessage.Clear();
+        _fullMessage.Clear();
+    }
+
+    private void OnEnter(LineEdit.LineEditEventArgs obj)
+    {
+        _currentLabel.Visible = true;
+        _fullLabel.Visible = true;
+    }
+
+    private void OnExit(LineEdit.LineEditEventArgs obj)
+    {
+        _currentLabel.Visible = false;
+        _fullLabel.Visible = false;
+    }
+
+    private void InputTextChanged(LineEdit.LineEditEventArgs args)
+    {
+        _currentMessage.Clear();
+        _fullMessage.Clear();
+        _currentLabel.Visible = false;
+        _fullLabel.Visible = false;
+
+        var font = GetFont(args.Control);
+
+        var cursorPosShift = UIScale * 0f;
+
+        var runes = args.Text.EnumerateRunes().ToArray();
+        var (words,suggest) = _chatAbbreviationManager.GetSuggestWord(args.Text);
+
+        if (words.Count == 0)
+            return;
+
+        var count = 0;
+        var posX = 0;
+
+        foreach (var rune in runes)
+        {
+            if (!font.TryGetCharMetrics(rune, UIScale, out var metrics))
+            {
+                count += 1;
+                continue;
+            }
+
+            posX += metrics.Advance;
+            count += rune.Utf16SequenceLength;
+
+            if (count == args.Control.CursorPosition)
+            {
+                cursorPosShift = posX;
+            }
+        }
+
+        _currentLabel.Margin = new Thickness(ChatInput.Input.Position.X + cursorPosShift,0,0,0);
+        _currentLabel.InvalidateMeasure();
+        _fullLabel.Margin = new Thickness(ChatInput.Input.Position.X + cursorPosShift,0,0,0);
+        _fullLabel.InvalidateMeasure();
+
+        var limit = 0;
+
+        foreach (var word in words)
+        {
+            limit++;
+
+            if(limit > 4) continue;
+
+            if (!_currentLabel.Visible)
+                _currentLabel.Visible = true;
+            if (!_fullLabel.Visible)
+                _fullLabel.Visible = true;
+
+            _currentMessage.AddMarkup($"[color=#aaaaaa]{word.Short.Substring(suggest.Length+1)}[/color]\r");
+        }
+
+        if (words.Count > 0)
+        {
+            _fullMessage.PushNewline();
+            _fullMessage.AddMarkup($"[font size=8][color=#aaaaaa]{words[0].Word}[/color][/font]\r");
+        }
+
+    }
+
+    private Font GetFont(Control element)
+    {
+        if (element.TryGetStyleProperty<Font>("font", out var font))
+        {
+            return font;
+        }
+
+        return UserInterfaceManager.ThemeDefaults.DefaultFont;
+    }
+}