打开文件可视化窗口+CodeStudio代码高亮

Gui/Apps/CodeStudio/CodeEditor.cs

@@ -0,0 +1,50 @@
+using CMLeonOS.Gui.UILib;
+using Cosmos.System.Graphics;
+using System.Drawing;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace CMLeonOS.Gui.Apps.CodeStudio
+{
+    internal class CodeEditor : TextBox
+    {
+        private bool enableSyntaxHighlighting = false;
+        private string fileExtension = "";
+
+        public CodeEditor(Window parent, int x, int y, int width, int height) : base(parent, x, y, width, height)
+        {
+        }
+
+        internal void SetSyntaxHighlighting(bool enable, string extension = "")
+        {
+            enableSyntaxHighlighting = enable;
+            fileExtension = extension.ToLower();
+            MarkAllLines();
+            Render();
+        }
+
+        internal override void RenderLine(int lineIndex, string lineText, int lineY, int xOffset)
+        {
+            if (enableSyntaxHighlighting && fileExtension == ".lua")
+            {
+                var tokens = LuaSyntaxHighlighter.HighlightLine(lineText);
+                int currentXOffset = xOffset;
+
+                foreach (var token in tokens)
+                {
+                    if (currentXOffset + token.Text.Length * 8 > 0 && currentXOffset < Width)
+                    {
+                        DrawString(token.Text, token.Color, currentXOffset, lineY);
+                    }
+                    currentXOffset += token.Text.Length * 8;
+                }
+            }
+            else
+            {
+                base.RenderLine(lineIndex, lineText, lineY, xOffset);
+            }
+        }
+    }
+}