------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Cheddar is a GNU GPL real-time scheduling analysis tool.
-- This program provides services to automatically check schedulability and
-- other performance criteria of real-time architecture models.
--
-- Copyright (C) 2002-2023, Frank Singhoff, Alain Plantec, Jerome Legrand,
--                          Hai Nam Tran, Stephane Rubini
--
-- The Cheddar project was started in 2002 by
-- Frank Singhoff, Lab-STICC UMR 6285, Université de Bretagne Occidentale
--
-- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008.
-- Since 2008, Ellidiss technologies also contributes to the development of
-- Cheddar and provides industrial support.
--
-- The full list of contributors and sponsors can be found in README.md
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--
--
-- Contact : cheddar@listes.univ-brest.fr
--
------------------------------------------------------------------------------
-- Last update :
--    $Rev: 4013 $
--    $Date: 2021-07-27 00:29:39 +0200 (mar., 27 juil. 2021) $
--    $Author: singhoff $
------------------------------------------------------------------------------
------------------------------------------------------------------------------

with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;

with Gtk.Text_Buffer;    use Gtk.Text_Buffer;
with Gtk.Widget;         use Gtk.Widget;
with Gtk.Window;         use Gtk.Window;
with Gtk.Text_Tag_Table; use Gtk.Text_Tag_Table;
with Gtk.Handlers;       use Gtk.Handlers;
with Gtk.Check_Button;   use Gtk.Check_Button;
with Gtk.Button;         use Gtk.Button;
with Gtk.Drawing_Area;   use Gtk.Drawing_Area;
with glib;               use glib;
with gtkada.builder;     use gtkada.builder;


with Doubles;               use Doubles;
with Systems;               use Systems;
with Framework;             use Framework;
with Unbounded_strings;     use Unbounded_strings;
use Unbounded_strings.unbounded_string_list_package;


package graphical_editor is

   ---------------------------------------------------
   ----   Parameters related to the XML project file
   ---------------------------------------------------

   -- Directory where to read glade files
   --
   glade_path : Unbounded_String := install_path & "glade_files/";

   -- List of directory where to read AADL or XML files
   --
   project_file_dir_list : unbounded_string_list;

   -- File name of the working XML/AADL project files
   --
   xml_project_file_name  : Unbounded_String;
   aadl_project_file_name : unbounded_string_list;

   -- File name of the working XML event table file
   --
   xml_event_table_file_name : Unbounded_String;

   -- The name of the file in which the event table has to be saved
   --
   event_table_file_name : Unbounded_String;

   ----------------------------------------------------
   ----   Variables required for analysis and editing
   ----------------------------------------------------

   -- The working architecture project
   --
   sys : system;

   -- This system is used during project editing
   -- in order to save sys before editing (to allow the user to cancel his modifications)
   --
   sys_buffer : system;

   -- Is the XML/AADL project modified ? should we have to save it ?
   --
   is_saved : Boolean := True;
   is_new   : Boolean := False;

   -- Are we calling a customized scheduling simulation or not ?
   --
   customized_simulation : Boolean := False;

   -- Processor name on which we should compute something
   --
   last_selected_processor : Unbounded_String;

   -----------------------------------------------
   ----   MMI/GTK editor entities
   -----------------------------------------------

   -- Widget of the 2 parts of the main windows: for the GANTT
   -- and analysis text
   --
   buffer_editor_cheddar : gtk_text_buffer;
   drawing_area_cheddar  : gtk_drawing_area;

   -- Main Cheddar window
   --
   window_cheddar : gtk_window;

   -- Main Cheddar glade builder
   builder_cheddar : gtkada_builder;
   
   -- Model file name
   --
   model_file_name_entry : gtk_text_buffer;

   -- Zoom level selected by the user
   --
   function display_zoom return Unbounded_String;

   zoom_level_entry : gtk_text_buffer;

   type zoom_range is new Integer range -4 .. +4;

   zoom_values : array (zoom_range'range) of gDouble :=
     (
      5.0,
      10.0,
      25.0,
      50.0,

      -- Initial zoom level
      100.0,

      200.0,
      400.0,
      1000.0,
      2000.0
      );

   zoom_level : zoom_range := 0;

   -- Callbacks for all Cheddar buttons
   --
   package button_callback is new Gtk.Handlers.Callback (gtk_button_record);

   -- Connect GUI callbacks
   procedure connect_callbacks;
   procedure connect_file_callbacks;
   procedure connect_tool_callbacks;
   procedure connect_edit_callbacks;
   procedure connect_help_callbacks;

   
   -- Sub programs for the file management
   --
   procedure do_new;
   procedure do_open;
   procedure do_save;
   procedure do_wizard;
   procedure do_exit;
   procedure do_aadl_export;
   procedure do_aadl_import;

end graphical_editor;