See the example below, please. My question is this (ncurses in C): If I don't write code like this with the getch() under comment /* Write to each window */ , it doesn't show anything. Otherwise, works fine.
Also, some other question, in C and ncurses, it is like touchwin() has no effect it should has. The second example I mean, it doesn't work like both the main window and help can be switched among the work properly. I run on Ubuntu 9.10.

EXAMPLE 1.
#include <ncurses.h>
#include <stdlib.h>

void bomb(void);

int main(void)
{
WINDOW *a,*b,*c,*d;
int maxx,maxy,halfx,halfy;

initscr();

/* calculate window sizes and locations */
getmaxyx(stdscr,maxy,maxx);
halfx = maxx >> 1;
halfy = maxy >> 1;
/* create four windows to fill the screen */
if( (a = newwin(halfy,halfx,0,0)) == NULL) bomb();
if( (b = newwin(halfy,halfx,0,halfx)) == NULL) bomb();
if( (c = newwin(halfy,halfx,halfy,0)) == NULL) bomb();
if( (d = newwin(halfy,halfx,halfy,halfx)) == NULL) bomb();

/* Write to each window */
getch(); /*-----------------THIS--------------------------*/
mvwaddstr(a,0,0,"This is window A\n");
wrefresh(a);
mvwaddstr(b,0,0,"This is window B\n");
wrefresh(b);
mvwaddstr(c,0,0,"This is window C\n");
wrefresh(c);
mvwaddstr(d,0,0,"This is window D\n");
wrefresh(d);
getch();

endwin();
return 0;
}

void bomb(void)
{
addstr("Unable to allocate memory for new window.\n");
refresh();
endwin();
exit(1);
}




**********************************************************************

EXAMPLE 2.

#include <ncurses.h>

void showhelp(void);

WINDOW *help;

int main(void)
{
int ch;

initscr();

/* build help menu */
if((help = newwin(0,0,0,0)) == NULL)
{
addstr("Unable to allocate window memory\n");
endwin();
return(1);
}
mvwaddstr(help,6,32,"Help menu Screen");
mvwaddstr(help,9,28,"Press the ~ key to quit");
mvwaddstr(help,12,28,"Press ENTER to go back");

/* now start the program loop */

addstr("Typer Program\n");
addstr("Press + for help:\n\n");
refresh();
noecho();
do
{
ch = getch();
refresh();
if(ch == '+')
showhelp();

else
addch(ch);
} while (ch != '~');

endwin();
return 0;
}

void showhelp(void)
{
touchwin(help);
wrefresh(help);
getch(); /* wait for key press */
touchwin(stdscr);
refresh();
}

forgot to say I use virtual box 3.0.8. Other thing, if remove both getch and add wgetch(d) /*for example*/ it works. (or wgetch in second example), both work.

I can't answer your question, but I advise you to wrap up your code in
[ CODE ] ...[ /CODE ] tags, otherwise others will, rightly, get annoyed at having to read the code in its present unformatted form.

I wrote [ CODE ] with blanks so that you can read them. They are normally without blanks, but posting them would end up with something like this .