Source Code File 09-03_switchback

09-03_switchback.c

#include <ncurses.h>
   
int main()
{
    WINDOW *second;

    initscr();
    start_color();

    /* configure colors */
    init_pair(1,COLOR_WHITE,COLOR_BLUE);
    init_pair(2,COLOR_WHITE,COLOR_RED);

    /* create the second window */
    second = newwin(0,0,0,0);
    if(second == NULL)
    {
        endwin();
        puts("Unable to create window");
        return(1);
    }
    wbkgd(second,COLOR_PAIR(2));
    waddstr(second,"This is the second window\n");

    /* standard screen */
    bkgd(COLOR_PAIR(1));
    addstr("This is the standard screen\n");
    addstr("Press Enter");
    refresh();
    getch();
    /* show second window */
    wrefresh(second);
    getch();
    /* show standard screen again */
    refresh();
    getch();

    endwin();
    return(0);
}

Output Screenshot

(Click to update image.)

Notes

* The addition of lines 34, 35, and 36 are what update the standard screen. Specifically, the refresh() at Line 35. The getch() merely pauses output so you can see the standard screen again — or not, as explained in the book.

← 09-02_switch.c — 09-04_touch.c →