InputPreview prototype

ChatTwo/Ui/InputPreview.cs

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+using System.Text;
+using ChatTwo.Code;
+using ChatTwo.Util;
+using Dalamud.Game.Text;
+using Dalamud.Game.Text.SeStringHandling;
+using Dalamud.Interface.Windowing;
+using ImGuiNET;
+
+namespace ChatTwo.Ui;
+
+public class InputPreview : Window
+{
+    private ChatLogWindow LogWindow { get; }
+
+    private float Height;
+    private float AppliedHeight;
+
+    internal InputPreview(ChatLogWindow logWindow) : base("##chat2-inputpreview")
+    {
+        LogWindow = logWindow;
+
+        Flags = ImGuiWindowFlags.NoSavedSettings | ImGuiWindowFlags.NoTitleBar | ImGuiWindowFlags.NoMove |
+                ImGuiWindowFlags.NoResize | ImGuiWindowFlags.NoFocusOnAppearing | ImGuiWindowFlags.AlwaysAutoResize;
+
+        RespectCloseHotkey = false;
+        DisableWindowSounds = true;
+        IsOpen = true;
+    }
+
+    public override void PreDraw()
+    {
+        // ReSharper disable once CompareOfFloatsByEqualityOperator
+        // Sizes don't use much precision
+        if (AppliedHeight == Height)
+            return;
+
+        AppliedHeight = Height;
+
+        var width = LogWindow.LastWindowSize.X;
+        var pos = LogWindow.LastWindowPos;
+
+        Size = LogWindow.LastWindowSize with { X = width };
+
+        Position = pos with { Y = pos.Y - Height };
+        PositionCondition = ImGuiCond.Always;
+    }
+
+    public override bool DrawConditions()
+    {
+        return !string.IsNullOrEmpty(LogWindow.Chat);
+    }
+
+    public override void Draw()
+    {
+        var content = LogWindow.Chat.Trim();
+        var bytes = Encoding.UTF8.GetBytes(content);
+        AutoTranslate.ReplaceWithPayload(Plugin.DataManager, ref bytes);
+
+        var seString = SeString.Parse(bytes);
+        var chunks = ChunkUtil.ToChunks(seString, ChunkSource.Content, ChatType.Say).ToList();
+        var encodedChunks = Message.FakeMessage(chunks, new ChatCode((ushort) XivChatType.Say));
+
+        var before = ImGui.GetCursorPosY();
+        LogWindow.DrawChunks(encodedChunks.Content);
+        var after = ImGui.GetCursorPosY();
+
+        Height = after - before + ImGui.GetStyle().WindowPadding.Y;
+    }
+}