Menu.h

#ifndef MOD_MENU_H
#define MOD_MENU_H

//Licence:   LGPL
//Copyright: Visti Andresen

#include "MenuItem.h"
#include "TextSelection.h"
#include "TextEntry.h"
#include "Button.h"
#include "BackButton.h"
#include "Key.h"
#include "Font.h"
#include <vector>

/**An class fo handling menus, either */
class Menu : public MenuItem
{
public:
  /**Types defining the apperance of a menu.*/
  enum MenuType {
    NORMAL /**The Menu is centered on screen, the menu must be able to fit
    the screen.*/
    ,SCROLLING /**The Menu moves up and down keeping the "selected" menu item 
    sentered.*/
    };

        Menu(const string &label, const string &name, Font *font, MenuType type = NORMAL);
        virtual ~Menu();
  /**Sets the size of the virtual screen*/
  void setVirtualScreenSize(float width, float height);
  /**Adds a child tho this menu, use this method to add sub menus /
     menu items.*/
        void addChild(MenuItem *item);
  
  /**Loads this menus from the file, will be called recurcivly on the 
      children.*/  
        void load(ifstream &file);
  /**Saves this menus to the file, will be called recurcivly on the 
      children.*/  
        void save(ofstream &file);
        void draw(float x, float y, float zoom);
  
  /**Renders the menu on screen, different from draw in that renderMenu
  renders the menu with children. draw only draws the menu as a sub menu*/
        virtual void renderMenu();
        Type getType(){return MENU;};
        float getWidth(float zoom);
        float getHeight(float zoom);
        string &getName(){return name_;}
        bool handleKeyEvent(SDL_Event *event);
  /**Returns if the current menu is selected, when a menu is selected it should 
    be showed with renderMenu.*/
        bool getSelected(){return isSelected_;}
  
  /**Sets the menus selected state.*/
        void setSelected(bool isSelected){isSelected_ = isSelected;}
  
  /**Recurcivly finds an child og subchild.*/
        MenuItem *findItem(const string &name);

private:
        float itemZoom(unsigned int item);
        
        string label_, name_;
        Font *font_;
        float menuSpace_;
        unsigned int selectedItem_;
        vector<MenuItem*> items_;
        bool hasFocus_;
        bool isSelected_;
  float screenWidth_, screenHeight_;
  MenuType type_;;
};

#endif

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