box-o-sand/curses-practice/JustForFun/tt.c

#include <curses.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define HSIZE 60
#define LENGTH 75
#define WIDTH 10
#define STARTX 1
#define STARTY 5
#define STATUSX 1
#define STATUSY 25

#define KEY_F1 265

int print_menu();
void print_byebye();
void create_test_string();
void print_time(time_t startt, time_t endt, int mistakes);
void print_in_middle(int startx, int starty, int width, char *string, WINDOW *win);

char *groups[] = {  "`123456" ,
                    "7890-="  ,
                    "~!@#$%^" ,
                    "&*()_+"  ,
                    "<>?"       ,
                    ",./\\"      ,
                    "asdfg",
                    "jkl;'",
                    "qwer",
                    "uiop",
                    "tyur",
                    "zxcv",
                    "bnm",
                  };
int n_groups;

int main()
{    int choice, i;
    char *test_array;
    int ch = KEY_F1;
    int mistakes;
    int x, y;
    time_t start_t, end_t;
    WINDOW *typing_win;
    char string[80];

    string[0] = '\0';

    initscr();
    cbreak();
    noecho();
    keypad(stdscr, TRUE);
    intrflush(stdscr, FALSE);

    srandom(time(NULL));
    n_groups = sizeof(groups) / sizeof(char *);
    test_array = (char *)calloc(HSIZE + 1, sizeof(char));

    while(1)
    {
        if(ch == KEY_F1)
        {    choice = print_menu();
            choice -= 1;
            if(choice == n_groups)
            {    print_byebye();
                free(test_array);
                endwin();
                exit(0);
            }
        }
        clear();
        strcpy(string, "Typing window");
        print_in_middle(STARTX, STARTY - 2, LENGTH, string, NULL);
        attron(A_REVERSE);
        mvprintw(STATUSY, STATUSX, "Press F1 to Main Menu");
        refresh();
        attroff(A_REVERSE);

        create_test_string(test_array, choice);
        typing_win = newwin(WIDTH, LENGTH, STARTY, STARTX);
        keypad(typing_win, TRUE);
        intrflush(typing_win, FALSE);
        box(typing_win, 0, 0);

        x = 1;
        y = 1;
        mvwprintw(typing_win, y, x, "%s", test_array);
        wrefresh(typing_win);
        y += 1;

        mistakes = 0;
        i = 0;
        time(&start_t);
        wmove(typing_win, y, x);
        wrefresh(typing_win);
        ch = 0;
        while(ch != KEY_F1 && i != HSIZE + 1)
        {    ch = wgetch(typing_win);
            mvwprintw(typing_win, y, x, "%c", ch);
            wrefresh(typing_win);
            ++x;
            if(ch == test_array[i])
            {    ++i;
                continue;
            }
            else
            {    ++mistakes;
                ++i;
            }
        }

        time(&end_t);
        print_time(start_t, end_t, mistakes);
    }
    free(test_array);
    endwin();
    return 0;
}


int print_menu()
{    int choice, i;

    choice = 0;
    while(1)
    {    clear();
        printw("\n\n");
        print_in_middle(1, 1, 0, "* * *   Welcome to typing practice (Version 1.0) * * * ", NULL);
        printw("\n\n\n");
        for(i = 0;i <= n_groups - 1; ++i)
            printw("\t%3d: \tPractice %s\n", i + 1, groups[i]);
        printw("\t%3d: \tExit\n", i + 1);

        printw("\n\n\tChoice: ");
        refresh();
        echo();
        scanw("%d", &choice);
        noecho();

        if(choice >= 1 && choice <= n_groups + 1)
            break;
        else
        {    attron(A_REVERSE);
            mvprintw(STATUSY, STATUSX, "Wrong choice\tPress any key to continue");
            attroff(A_REVERSE);
            getch();
        }
    }
    return choice;
}

void create_test_string(char *test_array, int choice)
{    int i, index, length;

    length = strlen(groups[choice]);
    for(i = 0;i <= HSIZE - 1; ++i)
    {    if(i%5 == 0)
            test_array[i] = ' ';
        else
        {    index = (int)(random() % length);
            test_array[i] = groups[choice][index];
        }
    }
    test_array[i] = '\0';
}

void print_byebye()
{    printw("\n");
    print_in_middle(0,0,0,"Thank you for using my typing tutor\n", NULL);
    print_in_middle(0,0,0,"Bye Bye ! ! !\n", NULL);
    refresh();
}

void print_time(time_t start_t, time_t end_t, int mistakes)
{    long int diff;
    int h,m,s;
    float wpm;

    diff = end_t - start_t;
    wpm = ((HSIZE / 5)/(double)diff)*60;

    h = (int)(diff / 3600);
    diff -= h * 3600;
    m = (int)(diff / 60);
    diff -= m * 60;
    s = (int)diff;

    attron(A_REVERSE);
    mvprintw(STATUSY, STATUSX, "Mistakes made : %d time taken: %d:%d:%d WPM : %.2f    Press any Key to continue", mistakes, h, m, s, wpm);
    attroff(A_REVERSE);

    refresh();
    getch();

}

/* ---------------------------------------------------------------- *
 * startx = 0 means at present x                                     *
 * starty = 0 means at present y                                    *
 * win = NULL means take stdscr                                     *
 * ---------------------------------------------------------------- */

void print_in_middle(int startx, int starty, int width, char *string, WINDOW *win)
{    int length, x, y;
    float temp;

    if(win == NULL)
        win = stdscr;
    getyx(win, y, x);
    if(startx != 0)
        x = startx;
    if(starty != 0)
        y = starty;
    if(width == 0)
        width = 80;

    length = strlen(string);
    temp = (width - length)/ 2;
    x = startx + (int)temp;
    mvwprintw(win, y, x, "%s", string);
    refresh();
}