mainMenu.h

#ifndef _MAINMENU_H_
#define _MAINMENU_H_
#include "map.h"
/** Creates main menu on the bottom of terminal with options to choose from **/

std::string startMenu()
{
    
    int ymax, xmax;
    getmaxyx(stdscr, ymax, xmax);
    char c='-';
    
    
    WINDOW * mainMenu=newwin(10, xmax -12, ymax-10, 6);
    refresh();
    wborder(mainMenu, 0, 0, c, c, 0, 0, 0, 0);
    wrefresh(mainMenu);
    keypad(mainMenu, true); // KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_F(n) n=1-12
    
    std::array<std::string, 3> choices={"New Game", "Continue", "Quit"};
    std::array<std::string, 2> yesNo={"Yes", "No"};
    int choice, highlight=0, hl=1, ch;
    
    while(true)
    {
        for(int i=0;i<3;i++)
        {
            if(i==highlight)
                wattron(mainMenu, A_REVERSE);
            mvwprintw(mainMenu, i+1, 1, choices[i].c_str());
            wattroff(mainMenu, A_REVERSE);
        }
        choice=wgetch(mainMenu);
        
        switch(choice)
        {
            case KEY_UP:
                highlight--;
                if(highlight==-1)
                    highlight=0;
                break;
            case KEY_DOWN:
                highlight++;
                if(highlight==3)
                    highlight=2;
                break;
            default:
                break;
        }
        if (choice==10)
            break;
    }
    if (choices[highlight]=="New Game")
    {
        mvwprintw(mainMenu, 1, 1, "Move with arrow keys");
        mvwprintw(mainMenu, 2, 1, "                 ");
        mvwprintw(mainMenu, 3, 1, "Press 'x' to quit");
        wrefresh(mainMenu);
    }
    else if (choices[highlight]=="Quit")
    {
        mvwprintw(mainMenu, 1, 1, "You sure you want to quit?");
        mvwprintw(mainMenu, 2, 1, "                 ");
        mvwprintw(mainMenu, 3, 1, "                 ");
        wrefresh(mainMenu);
        while(true)
        {
            for(int i=1;i<3;i++)
            {
                if (i==hl)
                    wattron(mainMenu, A_REVERSE);
                mvwprintw(mainMenu, i+1, 1, yesNo[i-1].c_str());
                wattroff(mainMenu, A_REVERSE);
            }
            ch=wgetch(mainMenu);
            
            switch(ch)
            {
                case KEY_UP:
                    hl--;
                    if(hl==0)
                        hl=1;
                    break;
                case KEY_DOWN:
                    hl++;
                    if(hl==3)
                        hl=2;
                    break;
                default:
                    break;
            }
            if (ch==10)
               break;
        }
    }
    return choices[highlight];
}
#endif