include conio include stdlib include stdio int pos_g pos_x pos_y LastI

#include <conio.h>
#include <stdlib.h>
#include <stdio.h>

int pos_g=1, pos_x=1, pos_y=0, LastID=0;

typedef struct node
{
	int id;
	char *string;
	//data
	struct node *next, *prev;
	
}ITEM;

typedef struct hnode
{
	int number;
	ITEM *first, *last;
}HITEM;

HITEM *head=NULL;

void bg();
void print_menu();
void print_list();
void select();
void EmptyList();
void ERRORS(char *str);
void add();
ITEM AddList();

void main()
{	
	int key;
	
	EmptyList();
	bg();
	
	for(;;)
	{	
		print_menu();
		print_list();

		key=getch();

		if(key!=0)
		{	
			if(key==27)//ESC
			{
				break; 
			}
			else 
			{
				if(key==13)//ENTER
				{		
					select();
				}
				else
				{
					if(key==9)//TAB
					{	
						if(pos_g==1)	
						{
							pos_g--;	//пекреход на список
							pos_x=-1;
							pos_y=1;
							
						}
						else		
						{
							pos_g++;	//переход на меню
							pos_y=-1;
							pos_x=1;
						}
					}
					else
					{
						continue;
					}
				}
			}
		}
		else
		{	
			key=getch();
			
			if(pos_g==1)
			{
				if(key==77)//right
				{
					if(pos_x<4)
						pos_x++;
				}
				else
				{
					if(key==75) //left
					{	
						if(pos_x>1)
							pos_x--;
					}
					else
					{
						continue;
					}
				}
			}
			else
			{
				if(pos_g==0)
				{
					if(key==72)//up
					{
						if(pos_y>1)
							pos_y--;
					}
					else
					{
						if(key==80) //down
						{	
							if(pos_y<21)
								pos_y++;
						}
						else
						{
							continue;
						}
					}
				}
			}
		}
	}
	
}

void bg()
{
	int i;
	
	window(1,1,80,1);					//head
	textbackground(WHITE);
	textcolor(GREEN);
	clrscr();
	
	window(1,2,80,25);					//center
	textbackground(LIGHTBLUE);
	textcolor(GREEN);
	clrscr();
	
	puts("╔═════════════════════════════════════════════════════════════════════════════╗");

	for(i=0;i<=20;i++)
		puts("║                                                                             ║");

	puts("╚═════════════════════════════════════════════════════════════════════════════╝");
	
	window(1,25,80,25);					//footer
	textbackground(WHITE);
	textcolor(GREEN);
	clrscr();
}

void print_menu()
{
	char menu[6][15]={"  Добавить   ", "    Поиск    ", " Сортировать ", "    Помощь    "};
	int i, x=1;
	
	for(i=1;i<5;i++,x+=13)
	{	
		window(x,1,x+13,1);
		textbackground(pos_x==i?MAGENTA:WHITE);
		textcolor(GREEN);
		clrscr();
		puts(menu[i-1]);
	}
}

void print_list()
{	
	int i;
		
	for(i=1;i<22;i++)
	{
		window(2,(i+2),78,(i+2));
		textbackground(pos_y==i?MAGENTA:BLUE);
		textcolor(WHITE);
		clrscr();
	}
	
}

void select()
{
	if(pos_g==0)
	{
		
		//список
	}
	else
	{
		switch(pos_x)
		{	
			case 1:
				add();
					break;
			case 2:
				//search
					break;
			case 3:
				//sort
					break;
			case 4:
				//help
					break;
			case 5:
				
					break;
			case 6:
				
					break;
			default:
					break;
		}
	}
}

void EmptyList()
{
    if((head=(HITEM *)malloc(sizeof(HITEM)))!=NULL)
    {
        head->number=0;
        head->first=NULL;
    }
    else
    {	
		ERRORS("Memory error");
    }

}

void ERRORS(char *str)
{
		window(29,12,51,14);
		textbackground(LIGHTRED);
		textcolor(BLACK);
		clrscr();
		
		cputs(" ╔═══════════════════╗ ");
		cputs(" ║                   ║ ");
		cputs(" ╚═══════════════════╝");

		window(32,13,49,13);
		textbackground(LIGHTRED);
		textcolor(BLACK);

		cputs(str);
		getch();
}

void add()
{
	ITEM *current=head->last;
	int key, i, y, n=head->number;
	
	window(2,3,78,23);
	textbackground(BLUE);
	textcolor(WHITE);
	clrscr();
	
	window(2,3,78,3);
	textbackground(MAGENTA);
	textcolor(WHITE);
	clrscr();
	
	AddList();
	
	for(;;)
	{
		key=getch();
		
		if(key==27)//ESC
		{ 
			break;
		}
		else
		{
			if(key==13)//ENTER
			{	
				i=head->number-n;
				
				while(i-1!=0)
				{
					current=current->prev;
					i--;
				}
				
				y=1;
				
				while(current->next!=NULL)
				{
					window(2,(y+2),78,(y+2));
					textbackground(BLUE);
					textcolor(WHITE);
					clrscr();
					cprintf("%d. ", current->id);
					puts(current->string);
					y++;
					current=current->next;
				}
				
				window(2,(y+2),78,(y+2));
				textbackground(BLUE);
				textcolor(WHITE);
				clrscr();
				cprintf("%d. ", current->id);
				puts(current->string);
				
				window(2,20,78,20);
				textbackground(MAGENTA);
				textcolor(WHITE);
				clrscr();

				AddList();
			}
			else
			{
				continue;
			}
		}
	}
}

ITEM AddList()
{
	ITEM *current=head->first, *new_node=NULL;
	char *str;
	
	if((new_node=(ITEM *)malloc(sizeof(ITEM)))==NULL)
	{
		ERRORS("Memory error");
	}
	else
	{
		gets(str);
		strcpy(new_node->string, str);
		new_node->id=++LastID;
		new_node->next=NULL;
		head->last=new_node;
		head->number++;
		
		if(head->number!=0)
		{
			while(current->next!=NULL)
			{
				current=current->next;
			}
			
			new_node->prev=current;
			current->next=new_node;
			
		}
		else
		{
			new_node->prev=NULL;
			head->first=new_node;
		}
	}
}