window refresh control functions
cc [options] file -lcurses
bool is_linetouched(WINDOW *win, int line);
bool is_wintouched(WINDOW *win);
int touchline(WINDOW *win, int start, int count);
int touchwin(WINDOW *win);
int untouchwin(WINDOW *win);
int wtouchln(WINDOW *win, int y, int n, int changed);
function touches the specified window (that is, marks it as having changed
more recently than the last refresh operation).
function only touches count lines,
beginning with line start.
function marks all lines in the window as unchanged since the last refresh
if changed is 1, touches n lines in the specified
window, starting at line y.
If changed is 0,
marks such lines as unchanged since the last refresh operation.
function determines whether the specified window is touched. The
function determines whether line
of the specified window is touched.
functions return TRUE if any of the specified lines, or the specified window,
respectively, has been touched since the last refresh operation. Otherwise,
they return FALSE.
Upon successful completion, the other functions return OK.
Otherwise, they return ERR.
Exceptions to this are noted in the preceding function descriptions.
No errors are defined.
is sometimes necessary when using overlapping windows, since a change to one
window affects the other window, but the records of which lines have been
changed in the other window do not reflect the change.
The Single UNIX Specification, Version 2; The Open Group.
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004