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diff --git a/fluid/widgets/CodeEditor.h b/fluid/widgets/CodeEditor.h
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+++ b/fluid/widgets/CodeEditor.h
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+//
+// Code editor widget for the Fast Light Tool Kit (FLTK).
+// Syntax highlighting rewritten by erco@seriss.com 09/15/20.
+//
+// Copyright 1998-2025 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file.  If this
+// file is missing or damaged, see the license at:
+//
+//     https://www.fltk.org/COPYING.php
+//
+// Please see the following page on how to report bugs and issues:
+//
+//     https://www.fltk.org/bugs.php
+//
+
+#ifndef CodeEditor_h
+#define CodeEditor_h
+
+//
+// Include necessary headers...
+//
+
+#include "StyleParse.h"
+
+#include <FL/Fl.H>
+#include <FL/Fl_Text_Buffer.H>
+#include <FL/Fl_Text_Editor.H>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+// ---- CodeEditor declaration
+
+/**
+ A widget derived from Fl_Text_Editor that implements C++ code highlighting.
+
+ CodeEditor is used in Fluid whenever the user can edit C++ source
+ code or header text.
+ */
+class CodeEditor : public Fl_Text_Editor {
+  friend class StyleParse;
+
+  static Fl_Text_Display::Style_Table_Entry styletable[];
+  static void style_parse(const char *tbuff, char *sbuff, int len, char style);
+  static void style_unfinished_cb(int, void*);
+  static void style_update(int pos, int nInserted, int nDeleted,
+                           int /*nRestyled*/, const char * /*deletedText*/,
+                           void *cbArg);
+  static int auto_indent(int, CodeEditor* e);
+
+public:
+  CodeEditor(int X, int Y, int W, int H, const char *L=0);
+  ~CodeEditor();
+  void textsize(Fl_Fontsize s);
+
+  /// access to protected member get_absolute_top_line_number()
+  int top_line() { return get_absolute_top_line_number(); }
+
+  /// access to protected member mTopLineNum
+  int scroll_row() { return mTopLineNum; }
+
+  /// access to protected member mHorizOffset
+  int scroll_col() { return mHorizOffset; }
+};
+
+// ---- CodeViewer declaration
+
+/**
+ A widget derived from CodeEditor with highlighting for code blocks.
+
+ This widget is used by the codeview system to show the design's
+ source and header code. The secondary highlighting show the text
+ part that corresponds to the selected widget(s).
+ */
+class CodeViewer : public CodeEditor {
+public:
+  CodeViewer(int X, int Y, int W, int H, const char *L=0);
+
+protected:
+  void draw() FL_OVERRIDE;
+
+  /// Limit event handling to viewing, not editing
+  int handle(int ev) FL_OVERRIDE { return Fl_Text_Display::handle(ev); }
+};
+
+// ---- Project File Text Viewer declaration
+
+/**
+ A text viewer with an additional highlighting color scheme.
+ */
+class TextViewer : public Fl_Text_Display {
+public:
+  TextViewer(int X, int Y, int W, int H, const char *L=0);
+  ~TextViewer();
+  void draw() FL_OVERRIDE;
+
+  /// access to protected member get_absolute_top_line_number()
+  int top_line() { return get_absolute_top_line_number(); }
+};
+
+#endif // !CodeEditor_h