Fluid: restructuring and rejuvenation of the source code.

* Add classes for application and project
* Removed all globals from Fluid.h
* Extracting args and project history into their own classes
* Moving globals into Application class
* Initialize values inside headers for some classes.
* Undo functionality wrapped in a class inside Project.
* File reader and writer are now linked to a project.
* Avoid global project access
* Nodes (former Types) will be managed by a new Tree class.
* Removed static members (hidden globals) form Node/Fl_Type.
* Adding Tree iterator.
* Use nullptr instead of 0, NULL, or 0L
* Renamed Fl_..._Type to ..._Node, FL_OVERRIDE -> override
* Renaming ..._type to ...::prototype
* Splitting Widget Panel into multiple files.
* Moved callback code into widget panel file.
* Cleaning up Fluid_Image -> Image_asset
* Moving Fd_Snap_Action into new namespace fld::app::Snap_Action etc.
* Moved mergeback into proj folder.
* `enum ID` is now `enum class Type`.

1 files changed, 0 insertions, 103 deletions

diff --git a/fluid/app/project.h b/fluid/app/project.h
deleted file mode 100644
index 058ce1764..000000000
--- a/fluid/app/project.h
+++ /dev/null
@@ -1,103 +0,0 @@
-//
-// FLUID main entry for the Fast Light Tool Kit (FLTK).
-//
-// 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 FLUID_APP_PROJECT_H
-#define FLUID_APP_PROJECT_H
-
-#include <string>
-
-// ---- project class declaration
-
-/**
- Enumeration of available internationalization types.
- */
-typedef enum {
-  FD_I18N_NONE = 0, ///< No i18n, all strings are litearals
-  FD_I18N_GNU,      ///< GNU gettext internationalization
-  FD_I18N_POSIX     ///< Posix catgets internationalization
-} Fd_I18n_Type;
-
-/**
- Data and settings for a FLUID project file.
- */
-class Fluid_Project {
-public:
-  Fluid_Project();
-  ~Fluid_Project();
-  void reset();
-  void update_settings_dialog();
-
-  std::string projectfile_path() const;
-  std::string projectfile_name() const;
-  std::string codefile_path() const;
-  std::string codefile_name() const;
-  std::string headerfile_path() const;
-  std::string headerfile_name() const;
-  std::string stringsfile_path() const;
-  std::string stringsfile_name() const;
-  std::string basename() const;
-
-  /// One of the available internationalization types.
-  Fd_I18n_Type i18n_type;
-  /// Include file for GNU i18n, writes an #include statement into the source
-  /// file. This is usually `<libintl.h>` or `"gettext.h"` for GNU gettext.
-  std::string i18n_gnu_include;
-  // Optional name of a macro for conditional i18n compilation.
-  std::string i18n_gnu_conditional;
-  /// For the gettext/intl.h options, this is the function that translates text
-  /// at runtime. This is usually "gettext" or "_".
-  std::string i18n_gnu_function;
-  /// For the gettext/intl.h options, this is the function that marks the translation
-  /// of text at initialisation time. This is usually "gettext_noop" or "N_".
-  std::string i18n_gnu_static_function;
-
-  /// Include file for Posix i18n, write a #include statement into the source
-  /// file. This is usually `<nl_types.h>` for Posix catgets.
-  std::string i18n_pos_include;
-  // Optional name of a macro for conditional i18n compilation.
-  std::string i18n_pos_conditional;
-  /// Name of the nl_catd database
-  std::string i18n_pos_file;
-  /// Message set ID for the catalog.
-  std::string i18n_pos_set;
-
-  /// If set, generate code to include the header file form the c++ file
-  int include_H_from_C;
-  /// If set, handle keyboard shortcut Ctrl on macOS using Cmd instead
-  int use_FL_COMMAND;
-  /// Clear if UTF-8 characters in statics texts are written as escape sequences
-  int utf8_in_src;
-  /// If set, <FL/Fl.H> will not be included from the header code before anything else
-  int avoid_early_includes;
-  /// If set, command line overrides header file name in .fl file.
-  int header_file_set;
-  ///  If set, command line overrides source code file name in .fl file.
-  int code_file_set;
-  int write_mergeback_data;
-  /// Filename of the current .fl project file
-  const char *proj_filename { nullptr };
-  /// Hold the default extension for header files, or the entire filename if set via command line.
-  std::string header_file_name;
-  /// Hold the default extension for source code  files, or the entire filename if set via command line.
-  std::string code_file_name;
-};
-
-extern Fluid_Project g_project;
-
-#endif // FLUID_APP_PROJECT_H
-
-