// -*- C++ -*- //

 #ifndef NEWMAPWIN_H

 #define NEWMAPWIN_H

 class NewMapWin;

 #include <all_include.h>

 #include <nbtab.h>

 #include <libgnomecanvasmm.h>

 #include <libgnomecanvasmm/polygon.h>

 #include <stack>

 ///This class is responsible for creating a window,

 ///on which the parameters of a new map can be set.

 class NewMapWin : public Gtk::Dialog

 {

   NoteBookTab & mytab;

 public:

   struct tree_node

   {

     char ch;

     tree_node * left_child;

     tree_node * right_child;

   };

   ///Constructor of NewMapWin creates the widgets shown in NewMapWin.

   NewMapWin(const std::string& title, NoteBookTab &, bool itisedge=true, bool edgenode=true);

   ///Signal on button is connected to this function,

   ///Therefore this function determines whether to

   ///call the map/creatort function, and if yes, it

   //tells it the attributes.(name, default value)

   virtual void on_response(int response_id);

   virtual bool closeIfEscapeIsPressed(GdkEventKey*);

   ///Function that creates a tree from an appropriately manipulated string

   tree_node * weightedString2Tree(std::string, std::vector<unsigned int> &, int);

   ///Function  that creates a string from a tree by postorder reading.

   std::string postOrder(tree_node *);

   std::string string2Polishform(std::string, bool);

   bool validVariable(std::string, bool);

   void deleteTree(tree_node *);

   std::map<char, std::string> ch2var;

   Gtk::Entry name, default_value;

   Gtk::Table * table;

   Gtk::Label * label;

   Gtk::RadioButton node, edge;

 };

 #endif //NEWMAPWIN_H