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/***************************************************************************
* COPYRIGHT NOTICE *
****************************************************************************
* ncurses is copyright (C) 1992-1995 *
* Zeyd M. Ben-Halim *
* zmbenhal@netcom.com *
* Eric S. Raymond *
* esr@snark.thyrsus.com *
* *
* Permission is hereby granted to reproduce and distribute ncurses *
* by any means and for any fee, whether alone or as part of a *
* larger distribution, in source or in binary form, PROVIDED *
* this notice is included with any such distribution, and is not *
* removed from any of its header files. Mention of ncurses in any *
* applications linked with it is highly appreciated. *
* *
* ncurses comes AS IS with no warranty, implied or expressed. *
* *
***************************************************************************/
/*
** lib_touch.c
**
** The routines untouchwin(),
** wtouchln(),
** is_linetouched()
** is_wintouched().
**
*/
#include "curses.priv.h"
int is_linetouched(WINDOW *win, int line)
{
if (line > win->_maxy || line < 0)
return ERR;
if (win->_line[line].firstchar != _NOCHANGE) return TRUE;
return FALSE;
}
int is_wintouched(WINDOW *win)
{
int i;
for (i = 0; i <= win->_maxy; i++)
if (win->_line[i].firstchar != _NOCHANGE)
return TRUE;
return FALSE;
}
int wtouchln(WINDOW *win, int y, int n, int changed)
{
int i;
T(("wtouchln(%p,%d,%d,%d)", win, y, n, changed));
for (i = y; i < y+n; i++) {
win->_line[i].firstchar = changed ? 0 : _NOCHANGE;
win->_line[i].lastchar = changed ? win->_maxx : _NOCHANGE;
}
return OK;
}
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