#ifndef __BROWFILE_H
#define __BROWFILE_H

#ifndef __MASK_H
#include <mask.h>
#endif

class TViswin;     

// viene chiamato sia al semplice passaggio del cursore sul testo
// (con doubleclick = FALSE) o alla pressione di tasti o balle per
// collegare (doubleclick = TRUE)                                                                                  
// se non ritorna NULL, il testo usato per linkare viene sostituito
// dal testo ritornato               
typedef const char* (*MASK_LINKHANDLER)(TMask&, int, const char*, bool doubleclick);

class TBrowsefile_field : public TOperable_field
{ 
  friend class TViswin;
  
  TViswin*         _viswin;                            
  MASK_LINKHANDLER _lh;
  TArray           _links;                                
  TString_array    _background;
  bool             _m_link;
  short            _dlg;
  WINDOW           _parent;
  
protected:
  virtual word class_id() const;

  virtual void parse_head(TScanner& scanner);
  virtual void create(WINDOW parent);

public:                                      

  TViswin* vis_win() const { return _viswin; }

  void     add_line(const char* l);            
  long     set_text(const char* file, const char* line = NULL); 
  
  const char* get_text(long line, int column = 0, int len = -1);
  
  // posiziona su riga e colonna passate
  void     goto_pos(long r, long c);
  void     goto_top();
  void     goto_end();
  void     refresh();
  void     close(); 
  
  // link processor
  void             set_link_handler(MASK_LINKHANDLER lh) { _lh = lh;   }
  MASK_LINKHANDLER get_link_handler()                    { return _lh; }
  TArray&          links()                               { return _links; }
  void             set_multiple_link(bool on)            { _m_link = on;   }
  bool             is_multiple_link()                    { return _m_link; }
  int              find_link(const char* descr);
  int              enable_link (const char* descr, char fg, char bg = 'w');
  void             disable_link(char fg, char bg = 'w');  
  void             disable_links() { _links.destroy(); }      
  long             lines();
  
  // print background
  void             set_background(const char* bg);
  TArray*          get_bg_desc()  { return &_background; }
                           
  virtual short dlg() const  { return _dlg; }
  // @cmember Ritorna la finestra padre
  virtual WINDOW parent() const { return _parent; }
                           
  TBrowsefile_field(TMask* m);
  virtual ~TBrowsefile_field();
};

#endif