boxexample.c

#include <ncurses.h>
#include <string.h> /* facilitate strlen() */

#define WHITEONRED 1
#define WHITEONBLUE 2
#define WHITEONBLACK 3
#define BLACKONWHITE 4


void wCenterTitle(WINDOW *pwin, const char * title)
    {
    int x, maxy, maxx, stringsize;
    getmaxyx(pwin, maxy, maxx);
    stringsize = 4 + strlen(title);
    x = (maxx - stringsize)/2;
    mvwaddch(pwin, 0, x, ACS_RTEE);
    waddch(pwin, ' ');
    waddstr(pwin, title);
    waddch(pwin, ' ');
    waddch(pwin, ACS_LTEE);
    }

void wclrscr(WINDOW * pwin)
    {
    int y, x, maxy, maxx;
    getmaxyx(pwin, maxy, maxx);
    for(y=0; y < maxy; y++)
        for(x=0; x < maxx; x++)
            mvwaddch(pwin, y, x, ' ');
    }

int main(int c, char *argv[])
    {
    WINDOW *base_win, *small_win;
    int maxy, maxx;

    /* INITIALIZE CURSES AND COLORS AND REFRESH THE STANDARD SCREEN */
    initscr();
    getmaxyx(stdscr, maxy, maxx);
    start_color();
    init_pair(WHITEONRED, COLOR_WHITE, COLOR_RED);
    init_pair(WHITEONBLUE, COLOR_WHITE, COLOR_BLUE);
    init_pair(WHITEONBLACK, COLOR_WHITE, COLOR_BLACK);
    init_pair(BLACKONWHITE, COLOR_BLACK, COLOR_WHITE);
    wrefresh(stdscr); /* I don't know why this is necessary, but it is! */

    /* CREATE AND DISPLAY THE BASE WINDOW */
    base_win = newwin(maxy, maxx, 0,0);
    wattrset(base_win, COLOR_PAIR(WHITEONBLACK) | WA_BOLD);
    wclrscr(base_win);
    box(base_win, 0, 0);
    wCenterTitle(base_win, "Tux Hat Linux Installer v4.0");
    touchwin(base_win);
    wrefresh(base_win);
    getch();





    /* END CURSES */
    endwin();
    printf("\n\nwin.c\n");
    return(0);
    }