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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_box.c
**
** line drawing routines:
** wborder()
** whline()
** wvline()
**
*/
#include "curses.priv.h"
int wborder(WINDOW *win, chtype ls, chtype rs, chtype ts,
chtype bs, chtype tl, chtype tr, chtype bl, chtype br)
{
short i;
short endx, endy;
T(("wborder() called"));
if (ls == 0) ls = ACS_VLINE;
if (rs == 0) rs = ACS_VLINE;
if (ts == 0) ts = ACS_HLINE;
if (bs == 0) bs = ACS_HLINE;
if (tl == 0) tl = ACS_ULCORNER;
if (tr == 0) tr = ACS_URCORNER;
if (bl == 0) bl = ACS_LLCORNER;
if (br == 0) br = ACS_LRCORNER;
ls |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
rs |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
ts |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
bs |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
tl |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
tr |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
bl |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
br |= (win->_attrs ? win->_attrs : (win->_bkgd & A_ATTRIBUTES));
T(("using %lx, %lx, %lx, %lx, %lx, %lx, %lx, %lx", ls, rs, ts, bs, tl, tr, bl, br));
endx = win->_maxx;
endy = win->_maxy;
for (i = 0; i <= endx; i++) {
win->_line[0].text[i] = ts;
win->_line[endy].text[i] = bs;
}
win->_line[endy].firstchar = win->_line[0].firstchar = 0;
win->_line[endy].lastchar = win->_line[0].lastchar = endx;
for (i = 0; i <= endy; i++) {
win->_line[i].text[0] = ls;
win->_line[i].text[endx] = rs;
win->_line[i].firstchar = 0;
win->_line[i].lastchar = endx;
}
win->_line[0].text[0] = tl;
win->_line[0].text[endx] = tr;
win->_line[endy].text[0] = bl;
win->_line[endy].text[endx] = br;
_nc_synchook(win);
return OK;
}
int whline(WINDOW *win, chtype ch, int n)
{
short line;
short start;
short end;
T(("whline(%p,%lx,%d) called", win, ch, n));
line = win->_cury;
start = win->_curx;
end = start + n - 1;
if (end > win->_maxx)
end = win->_maxx;
if (win->_line[line].firstchar == _NOCHANGE || win->_line[line].firstchar > start)
win->_line[line].firstchar = start;
if (win->_line[line].lastchar == _NOCHANGE || win->_line[line].lastchar < start)
win->_line[line].lastchar = end;
if (ch == 0)
ch = ACS_HLINE;
while ( end >= start) {
win->_line[line].text[end] = ch | win->_attrs;
end--;
}
return OK;
}
int wvline(WINDOW *win, chtype ch, int n)
{
short row, col;
short end;
T(("wvline(%p,%lx,%d) called", win, ch, n));
row = win->_cury;
col = win->_curx;
end = row + n - 1;
if (end > win->_maxy)
end = win->_maxy;
if (ch == 0)
ch = ACS_VLINE;
while(end >= row) {
win->_line[end].text[col] = ch | win->_attrs;
if (win->_line[end].firstchar == _NOCHANGE || win->_line[end].firstchar > col)
win->_line[end].firstchar = col;
if (win->_line[end].lastchar == _NOCHANGE || win->_line[end].lastchar < col)
win->_line[end].lastchar = col;
end--;
}
_nc_synchook(win);
return OK;
}
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