Colored background problem

[Danny Rodriguez]

 

Consider this program :

 

Compiler: gcc 2.95.4

Library: ncurses 5.2

 

 

 

#include <ncurses.h>

 

main()
{

    WINDOW *mainWin, *subWin;

 

    mainWin = initscr();    // not doing error checking

 

    start_color();

 

 

    init_pair(1, COLOR_WHITE, COLOR_BLUE);

 

    subWin = subwin(mainWin, LINES/2, COLS, 0, 0);     // define upper half of the screen

 

    wbkgd(subWin, A_NORMAL | COLOR_PAIR(1) | ' ' ); // set color attributes, foreground white, background blue

    werase(subWin);

 

    wrefresh(subWin);

    refresh();

 

    endwin(subWin);

    endwin(mainWin);

 

    return 0;

}

 

 

This should make the upper part of the screen with a background of blue. When I log in locally and run this program, it does. When I SSH to my box via Putty, it doesn't.... I am not sure if this is a bug with Putty, or a bug with Ncurses.

 

It will display a background of blue only when you display a character other than space... Or a string with a space within it. This leads me to believe it's a problem with ncurses itself.

 

For example, if you display a string like "Hello World" after the werase(), the space in Hello World will in fact be a blue background.

 

 

-Danny