/*
 * MathPlanner 3.1 - Mathematical design tool.
 * Copyright(C) 2000  Jarmo Nikkanen
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License with this program.
 *
 */


#ifndef _MATHPLANNER_BASE_H
#define _MATHPLANNER_BASE_H

#include "MathHeaders.h"
#include "BaseStructures.h"
#include "Extern.h"
#include <qpen.h>
#include <qobject.h>


class ApplicationControl;
class m_function_object;
class string_object;



class m_display_box {
    public:
    class m_base_object *parent;
		QString *string;

		int max_letters;
		int cursor;
		int c_mode;
    int id;
		bool focus;
  	bool ro;
		layout_rect bounds,old_bounds;		
			
		m_display_box(layout_rect,QString *string,int byt);

    void KeyReceived(key_code);
    void Focus(bool);
    void Draw(QPainter *,bool,bool);
    void FeedBack(key_code);
    void SetParent(m_base_object *);
    void CalculateBounds();
    void MoveTo(QPoint);
    void SetReadOnly(bool);
    bool isReadOnly();
		void SetID(int);
};


class m_base_object
{
   public:

   // MUST BE SAVED
   int                     Type;               // OT
   layout_rect         	   bounds;
   layout_rect             old_bounds;
   int                     SubObject;
   int                     Priority;

   // NOT SAVED
   int                     MainType;           // OMT
   bool                    Error_flag;
   bool                    Neg;

   class math_node         value;


   class QPen              color_pen;
   class QPen              bounds_pen;
   class QPen              error_pen;
	 class QPen              focus_pen;

   class ApplicationControl *AppControl;
   class m_function_object  *function;       // pointer to function object
   struct str_range         range;
   class string_object      *string;           // String object for this object
     

                         m_base_object(class ApplicationControl *Aplc,m_function_object *,class string_object *);
                         m_base_object(class DataStorage *);
   virtual               ~m_base_object();

   virtual QColor        GetColor(int id=0);
   virtual QFont         GetFont(int id=0);
   virtual void          SetFontSize(int id);

   virtual void          SetFocus();  //-
	 virtual bool	      	 HasFocus();  //-
   virtual void          UnFocus();   //-

   virtual class DataStorage  *BuildStorage();
   virtual void          FocusNextObject();                         
   virtual void          SendCall(int);
           void          SetRange(str_range);
   virtual void          KeyReceived(key_code);
   virtual void          KeyFeedback(key_code);   
   virtual void          KeyOutput(key_code); //-
   virtual void          Reset();  //-
   virtual void          CalculateBounds();
   virtual void          MoveTo(QPoint);
   virtual void          Draw(class QPainter *);
           void          SetStringObject(class string_object *);
   virtual void          SeekObject(QPoint p);
   virtual class base_object_message *CreateControlObject();
   virtual void          MessageReceived(DataStorage *msg,int rec);
   virtual void          PostMessage(DataStorage *msg,int dest=TO_FRAME);

   virtual bool          AutoDeletion();
   virtual void          InsertString(str_range,string_object *);
   virtual void          Init();

   			 // MATH COMMANDS
   			
   virtual class math_node Calculate();
   virtual class math_node Calculate(math_node mn);
   virtual void          Build();
   virtual void          SetValue(class math_node);
};


class base_object_message : public QObject
{
	Q_OBJECT
	
	public:
	      class ApplicationControl *AppControl;
	
	      base_object_message(class ApplicationControl *);
        ~base_object_message();

        virtual QWidget *MainWidget();
        virtual void ReadState(m_base_object *);
        virtual void PostMessage(DataStorage *msg,int dest=TO_FRAME);
};

#endif