05-05-2004
Thank you, this does seem to work but I get an error with the -q option so I have changed it to -l, what should it do though ?
Last edited by tonydsam; 05-05-2004 at 11:23 AM..
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LEARN ABOUT MOJAVE
touchwin
curs_touch(3X) curs_touch(3X)
NAME
touchwin, touchline, untouchwin, wtouchln, is_linetouched, is_wintouched - curses refresh control routines
SYNOPSIS
#include <curses.h>
int touchwin(WINDOW *win);
int touchline(WINDOW *win, int start, int count);
int untouchwin(WINDOW *win);
int wtouchln(WINDOW *win, int y, int n, int changed);
bool is_linetouched(WINDOW *win, int line);
bool is_wintouched(WINDOW *win);
DESCRIPTION
The touchwin and touchline routines throw away all optimization information about which parts of the window have been touched, by pretend-
ing that the entire window has been drawn on. This is sometimes necessary when using overlapping windows, since a change to one window af-
fects the other window, but the records of which lines have been changed in the other window do not reflect the change. The routine touch-
line only pretends that count lines have been changed, beginning with line start.
The untouchwin routine marks all lines in the window as unchanged since the last call to wrefresh.
The wtouchln routine makes n lines in the window, starting at line y, look as if they have (changed=1) or have not (changed=0) been changed
since the last call to wrefresh.
The is_linetouched and is_wintouched routines return TRUE if the specified line/window was modified since the last call to wrefresh; other-
wise they return FALSE. In addition, is_linetouched returns ERR if line is not valid for the given window.
RETURN VALUE
All routines return the integer ERR upon failure and an integer value other than ERR upon successful completion, unless otherwise noted in
the preceding routine descriptions.
X/Open does not define any error conditions. In this implementation
is_linetouched
returns an error if the window pointer is null, or if the line number is outside the window. Note that ERR is distinct from
TRUE and FALSE, which are the normal return values of this function.
wtouchln
returns an error if the window pointer is null, or if the line number is outside the window.
PORTABILITY
The XSI Curses standard, Issue 4 describes these functions.
Some historic curses implementations had, as an undocumented feature, the ability to do the equivalent of clearok(..., 1) by saying touch-
win(stdscr) or clear(stdscr). This will not work under ncurses.
NOTES
Note that all routines except wtouchln may be macros.
SEE ALSO
curses(3X), curs_refresh(3X).
curs_touch(3X)