overlapping windows will corrupt

[Folkert van Heusden]

Hi,

I created a program with 2 overlapping windows. Now if I start outputting
to both windows (and making them scroll), one of them gets corrupted.
        w1 = mynewwin(10, 20, 5, 5);
        scrollok(w1, true);
        w2 = mynewwin(10, 20, 8, 10);
        scrollok(w2, true);

        for(;;)
        {
                if (what)
                {
                        wprintw(w2, "aaaaaaaaaaaaaaaaaaa\n");
                        wprintw(w1, "1234567890123456789\n");
                }
                else
                {
                        wprintw(w2, "bbbbbbbbbbbbbbbbbbb\n");
                        wprintw(w1, "9876543210987654321\n");
                }
                what  = 1 - what;

                wnoutrefresh(w1);
                wnoutrefresh(w2);
                doupdate();

                sleep(1);
        }

(mynewwin is only subwin() with a check for null)

Now what I would expect is that w1 would be underneath w2, it is actually
the other way around but I can live with that (is there a way to lower
and upper a window?). The problem now is that the window which is on top
(w1 in this case) gets overwritten when w2 scrolls.


Folkert van Heusden

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