Lab

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

void k(int x1, int y1, int x2, int y2, char *s, int col);

    void newparam(){
        k(50, 420,150,460, "NEW PARAM", 15);
        k(200, 420, 300,460, "GRAFIC", 15);
        k(350, 420, 450, 460, "EXIT", 15);
        setcolor(15);
        k(50, 420,150,460, "NEW PARAM", 4);

    }

    void graphic(){
        k(50, 420,150,460, "NEW PARAM", 15);
        k(200, 420, 300,460, "GRAFIC", 15);
        k(350, 420, 450, 460, "EXIT", 15);
        setcolor(15);
        k(200, 420, 300,460, "GRAFIC", 4);
    }

    void exit() {
        k(50, 420,150,460, "NEW PARAM", 15);
        k(200, 420, 300,460, "GRAFIC", 15);
        k(350, 420, 450, 460, "EXIT", 15);
        setcolor(15);
        k(350, 420, 450, 460, "EXIT", 4);
    }

    void gr(){
    rectangle (50,30,250,280);
    line(150,30,150,280);
    line(320,0,320,400);
    line(50, 70, 250, 70);
    line(0, 400, 639, 400);
    rectangle(50, 360, 150, 395);
    rectangle(50, 320, 150, 355);
     setcolor(15);

    char a[] = "a=", b[] = "b=", y[] = "Y", x[] = "X", o[] = "0";

    outtextxy(55, 331, a);
    outtextxy(55, 371, b);
    outtextxy(465, 35, y);
    outtextxy(605, 204, x);
    outtextxy(95, 45, x);
    outtextxy(195, 45, y);
    outtextxy(470, 201, o);

    line(479, 30, 479, 360);
    line(350, 200, 610, 200);

    line(479, 30, 475, 35);
    line(479, 30, 483, 35);
    line(475, 35, 483, 35);

    line(610, 200, 605, 196);
    line(610, 200, 605, 204);
    line(605, 196, 605, 204);
    setcolor(0);
    floodfill(478, 34, 15);
    floodfill(480, 34, 15);
    floodfill(606, 199, 15);
    floodfill(606, 201, 15);

    }


void k(int x1, int y1, int x2, int y2, char *s, int col)
{
    setcolor(col);
    rectangle(x1,y1,x2,y2);
    setcolor(15);
    outtextxy(x1+10,(y2-y1)/2+y1, s);
}



void knopkiupr()
{
    char ch;
    int xr;
    int yr;
    int p=1;
    do{

        getmouseclick(WM_LBUTTONDOWN,xr,yr);
        if ( (xr>=350)&&(xr<=450)&&(yr>=420)&&(yr<=460) )//exit
            ch='e';
        if ( (xr>=50)&&(xr<=150)&&(yr>=420)&&(yr<=460) )//new param
            ch='e';
        if ( (xr>=200)&&(xr<=300)&&(yr>=420)&&(yr<=460) )//graphic
            ch='e';



        if (kbhit()){
        ch = getch();
        switch (ch)
        {
        case 'n': newparam(); break;

        case 'g':graphic(); break;

        case 'e':exit(); break;

        case 77 :if (p<3) p++;
                 k(50, 420,150,460, "NEW PARAM", 15);
                 k(200, 420, 300,460, "GRAFIC", 15);
                 k(350, 420, 450, 460, "EXIT", 15);
                 switch (p)
                 {
                     case 1: k(50, 420,150,460, "NEW PARAM", 4); break;
                     case 2:  k(200, 420, 300,460, "GRAFIC", 4);  break;
                     case 3: k(350, 420, 450, 460, "EXIT", 4);break;

                 } break;
        case 75: if (p>1) p--;
                 k(50, 420,150,460, "NEW PARAM", 15);
                 k(200, 420, 300,460, "GRAFIC", 15);
                 k(350, 420, 450, 460, "EXIT", 15);
                 switch (p)
                 {
                     case 1: k(50, 420,150,460, "NEW PARAM", 4); break;
                     case 2:  k(200, 420, 300,460, "GRAFIC", 4);  break;
                     case 3: k(350, 420, 450, 460, "EXIT", 4);break;

                 }
                 break;

        case 13: switch (p){
                case 1: newparam();break;
                case 2: graphic();break;
                case 3: ch='e';break;
        }
        }}
    } while (ch != 27);

}

int main(void)
{
    int GrDr, GrMod, rez;
    GrDr = DETECT;

    initgraph(&GrDr, &GrMod, " "); // GrDr - графический драйвер;
                                                          //GrMod -графический режим;
 // третий параметр- путь до графического       //драйвера;

    rez = graphresult();
    if (rez != grOk)
    {
        printf("\n Error graph modeи");
        return(1);
    }


    gr();

    k(50, 420,150,460, "NEW PARAM", 4);
    k(200, 420, 300,460, "GRAFIC", 15);
    k(350, 420, 450, 460, "EXIT", 15);
    knopkiupr();


        closegraph();
    return(0);
}