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/* $OpenBSD: lib_ins_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */
/****************************************************************************
* Copyright (c) 2002-2003,2005 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Thomas Dickey 2002 *
****************************************************************************/
/*
** lib_ins_wch.c
**
** The routine wins_wch().
**
*/
#include <curses.priv.h>
MODULE_ID("$Id: lib_ins_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $")
/*
* Insert the given character, updating the current location to simplify
* inserting a string.
*/
static int
_nc_insert_wch(WINDOW *win, const cchar_t *wch)
{
int cells = wcwidth(CharOf(CHDEREF(wch)));
int cell;
if (cells <= 0)
cells = 1;
if (win->_curx <= win->_maxx) {
struct ldat *line = &(win->_line[win->_cury]);
NCURSES_CH_T *end = &(line->text[win->_curx]);
NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
NCURSES_CH_T *temp2 = temp1 - cells;
CHANGED_TO_EOL(line, win->_curx, win->_maxx);
while (temp1 > end)
*temp1-- = *temp2--;
*temp1 = _nc_render(win, *wch);
for (cell = 1; cell < cells; ++cell) {
SetWidecExt(temp1[cell], cell);
}
win->_curx++;
}
return OK;
}
NCURSES_EXPORT(int)
wins_wch(WINDOW *win, const cchar_t *wch)
{
NCURSES_SIZE_T oy;
NCURSES_SIZE_T ox;
int code = ERR;
T((T_CALLED("wins_wch(%p, %s)"), win, _tracecchar_t(wch)));
if (win != 0) {
oy = win->_cury;
ox = win->_curx;
code = _nc_insert_wch(win, wch);
win->_curx = ox;
win->_cury = oy;
_nc_synchook(win);
}
returnCode(code);
}
NCURSES_EXPORT(int)
wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
{
int code = ERR;
NCURSES_SIZE_T oy;
NCURSES_SIZE_T ox;
const wchar_t *cp;
T((T_CALLED("wins_nwstr(%p,%s,%d)"), win, _nc_viswbufn(wstr, n), n));
if (win != 0
&& wstr != 0) {
if (n < 1)
n = wcslen(wstr);
code = OK;
if (n > 0) {
oy = win->_cury;
ox = win->_curx;
for (cp = wstr; *cp && ((cp - wstr) < n); cp++) {
int len = wcwidth(*cp);
if (len != 1 || !is8bits(*cp)) {
cchar_t tmp_cchar;
wchar_t tmp_wchar = *cp;
memset(&tmp_cchar, 0, sizeof(tmp_cchar));
(void) setcchar(&tmp_cchar,
&tmp_wchar,
WA_NORMAL,
0,
(void *) 0);
code = _nc_insert_wch(win, &tmp_cchar);
} else {
/* tabs, other ASCII stuff */
code = _nc_insert_ch(win, (chtype) (*cp));
}
if (code != OK)
break;
}
win->_curx = ox;
win->_cury = oy;
_nc_synchook(win);
}
}
returnCode(code);
}
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