54 lines
1.1 KiB
C
54 lines
1.1 KiB
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_clrbot.c
|
|
**
|
|
** The routine wclrtobot().
|
|
**
|
|
*/
|
|
|
|
#include "curses.priv.h"
|
|
|
|
int wclrtobot(WINDOW *win)
|
|
{
|
|
chtype *ptr, *end, *maxx = NULL;
|
|
int y, startx, minx;
|
|
|
|
T(("wclrtobot(%x) called", win));
|
|
|
|
startx = win->_curx;
|
|
|
|
T(("clearing from y = %d to y = %d with maxx = %d", win->_cury, win->_maxy, win->_maxx));
|
|
|
|
for (y = win->_cury; y <= win->_maxy; y++) {
|
|
minx = _NOCHANGE;
|
|
end = &win->_line[y][win->_maxx];
|
|
|
|
for (ptr = &win->_line[y][startx]; ptr <= end; ptr++) {
|
|
chtype blank = _nc_background(win);
|
|
|
|
if (*ptr != blank) {
|
|
maxx = ptr;
|
|
if (minx == _NOCHANGE)
|
|
minx = ptr - win->_line[y];
|
|
*ptr = blank;
|
|
}
|
|
}
|
|
|
|
if (minx != _NOCHANGE) {
|
|
if (win->_firstchar[y] > minx
|
|
|| win->_firstchar[y] == _NOCHANGE)
|
|
win->_firstchar[y] = minx;
|
|
|
|
if (win->_lastchar[y] < maxx - win->_line[y])
|
|
win->_lastchar[y] = maxx - win->_line[y];
|
|
}
|
|
|
|
startx = 0;
|
|
}
|
|
return OK;
|
|
}
|