Source Code File 10-03_sub3

10-03_sub3.c

#include <ncurses.h>

int main()
{
    WINDOW *sub;
    
    initscr();
    
    /* create subwindow on stdscr */
    sub = derwin(stdscr,LINES-2,COLS-2,1,1);
    if( sub==NULL)
    {
        endwin();
        puts("Unable to create subwindow");
        return 1;
    }
    
    /* draw a box around stdscr */
    box(stdscr,0,0);
    /* put text to the stdscr */
    addstr("I'm writing text\n");
    addstr("to the standard screen.");
    refresh();
    getch();
    
    wclear(sub);
    wrefresh(sub);
    getch();
    
    endwin();
    return 0;
}

Output Screenshot

(Click to see results.)

Notes

* After pressing Enter (or any key), the subwindow's contents are erased. Above, the text o the standard screen. disappears. (Click the image to view.)

← 10-02_sub2.c — 10-04_subsub.c →