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101 lines
3.8 KiB
C
101 lines
3.8 KiB
C
/****************************************************************************
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* Copyright (c) 2002,2004 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Thomas Dickey *
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****************************************************************************/
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/*
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** lib_inwstr.c
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**
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** The routines winnwstr() and winwstr().
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**
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_inwstr.c,v 1.4 2004/10/23 20:41:28 tom Exp $")
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NCURSES_EXPORT(int)
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winnwstr(WINDOW *win, wchar_t *wstr, int n)
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{
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int row, col, inx;
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int count = 0;
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int last = 0;
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cchar_t *text;
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wchar_t wch;
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T((T_CALLED("winnwstr(%p,%p,%d)"), win, wstr, n));
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if (wstr != 0) {
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if (win) {
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getyx(win, row, col);
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text = win->_line[row].text;
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while (count < n && count != ERR) {
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if (!isWidecExt(text[col])) {
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for (inx = 0; (inx < CCHARW_MAX)
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&& ((wch = text[col].chars[inx]) != 0);
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++inx) {
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if (count + 1 > n) {
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if ((count = last) == 0) {
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count = ERR; /* error if we store nothing */
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}
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break;
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}
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wstr[count++] = wch;
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}
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}
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last = count;
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if (++col > win->_maxx) {
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break;
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}
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}
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}
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if (count > 0) {
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wstr[count] = '\0';
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T(("winnwstr returns %s", _nc_viswbuf(wstr)));
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}
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}
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returnCode(count);
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}
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/*
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* X/Open says winwstr() returns OK if not ERR. If that is not a blunder, it
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* must have a null termination on the string (see above). Unlike winnstr(),
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* it does not define what happens for a negative count with winnwstr().
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*/
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NCURSES_EXPORT(int)
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winwstr(WINDOW *win, wchar_t *wstr)
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{
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int result = OK;
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T((T_CALLED("winwstr(%p,%p)"), win, wstr));
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if (winnwstr(win, wstr, CCHARW_MAX * (win->_maxx - win->_curx + 1)) == ERR)
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result = ERR;
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returnCode(result);
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}
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