freebsd-src/lib/libncurses/lib_insertln.c
1994-11-27 05:23:52 +00:00

51 lines
924 B
C

/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for *
* details. If they are missing then this copy is in violation of *
* the copyright conditions. */
/*
** lib_insertln.c
**
** The routine winsertln().
**
*/
#include "curses.priv.h"
#include <nterm.h>
int winsertln(WINDOW *win)
{
chtype *temp, *end;
int y, touched = 0;
T(("winsertln(%x) called", win));
temp = win->_line[win->_regbottom];
if (win->_idlok && (insert_line != NULL)) {
wrefresh(win);
putp(insert_line);
touched = 1;
}
if (!touched) {
win->_firstchar[win->_cury] = 0;
win->_lastchar[win->_cury] = win->_maxx;
}
for (y = win->_regbottom; y > win->_cury; y--) {
win->_line[y] = win->_line[y-1];
if (!touched) {
win->_firstchar[y] = 0;
win->_lastchar[y] = win->_maxx;
}
}
win->_line[win->_cury] = temp;
for (end = &temp[win->_maxx]; temp <= end; temp++)
*temp = ' ';
return OK;
}