197049Speter/**************************************************************************** 2166124Srafan * Copyright (c) 2002,2004 Free Software Foundation, Inc. * 397049Speter * * 497049Speter * Permission is hereby granted, free of charge, to any person obtaining a * 597049Speter * copy of this software and associated documentation files (the * 697049Speter * "Software"), to deal in the Software without restriction, including * 797049Speter * without limitation the rights to use, copy, modify, merge, publish, * 897049Speter * distribute, distribute with modifications, sublicense, and/or sell * 997049Speter * copies of the Software, and to permit persons to whom the Software is * 1097049Speter * furnished to do so, subject to the following conditions: * 1197049Speter * * 1297049Speter * The above copyright notice and this permission notice shall be included * 1397049Speter * in all copies or substantial portions of the Software. * 1497049Speter * * 1597049Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1697049Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1797049Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1897049Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1997049Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2097049Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2197049Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2297049Speter * * 2397049Speter * Except as contained in this notice, the name(s) of the above copyright * 2497049Speter * holders shall not be used in advertising or otherwise to promote the * 2597049Speter * sale, use or other dealings in this Software without prior written * 2697049Speter * authorization. * 2797049Speter ****************************************************************************/ 2897049Speter 2997049Speter/**************************************************************************** 30166124Srafan * Author: Thomas Dickey * 3197049Speter ****************************************************************************/ 3297049Speter 3397049Speter/* 3497049Speter** lib_inwstr.c 3597049Speter** 3697049Speter** The routines winnwstr() and winwstr(). 3797049Speter** 3897049Speter*/ 3997049Speter 4097049Speter#include <curses.priv.h> 4197049Speter 42166124SrafanMODULE_ID("$Id: lib_inwstr.c,v 1.4 2004/10/23 20:41:28 tom Exp $") 4397049Speter 4497049SpeterNCURSES_EXPORT(int) 45166124Srafanwinnwstr(WINDOW *win, wchar_t *wstr, int n) 4697049Speter{ 4797049Speter int row, col, inx; 4897049Speter int count = 0; 4997049Speter int last = 0; 5097049Speter cchar_t *text; 5197049Speter wchar_t wch; 5297049Speter 53166124Srafan T((T_CALLED("winnwstr(%p,%p,%d)"), win, wstr, n)); 5497049Speter if (wstr != 0) { 5597049Speter if (win) { 5697049Speter getyx(win, row, col); 5797049Speter 5897049Speter text = win->_line[row].text; 5997049Speter while (count < n && count != ERR) { 60166124Srafan if (!isWidecExt(text[col])) { 61166124Srafan for (inx = 0; (inx < CCHARW_MAX) 62166124Srafan && ((wch = text[col].chars[inx]) != 0); 63166124Srafan ++inx) { 64166124Srafan if (count + 1 > n) { 65166124Srafan if ((count = last) == 0) { 66166124Srafan count = ERR; /* error if we store nothing */ 67166124Srafan } 68166124Srafan break; 6997049Speter } 70166124Srafan wstr[count++] = wch; 7197049Speter } 7297049Speter } 7397049Speter last = count; 7497049Speter if (++col > win->_maxx) { 7597049Speter break; 7697049Speter } 7797049Speter } 7897049Speter } 79166124Srafan if (count > 0) { 8097049Speter wstr[count] = '\0'; 81166124Srafan T(("winnwstr returns %s", _nc_viswbuf(wstr))); 82166124Srafan } 8397049Speter } 8497049Speter returnCode(count); 8597049Speter} 8697049Speter 8797049Speter/* 8897049Speter * X/Open says winwstr() returns OK if not ERR. If that is not a blunder, it 8997049Speter * must have a null termination on the string (see above). Unlike winnstr(), 9097049Speter * it does not define what happens for a negative count with winnwstr(). 9197049Speter */ 9297049SpeterNCURSES_EXPORT(int) 93166124Srafanwinwstr(WINDOW *win, wchar_t *wstr) 9497049Speter{ 9597049Speter int result = OK; 96166124Srafan T((T_CALLED("winwstr(%p,%p)"), win, wstr)); 9797049Speter if (winnwstr(win, wstr, CCHARW_MAX * (win->_maxx - win->_curx + 1)) == ERR) 9897049Speter result = ERR; 9997049Speter returnCode(result); 10097049Speter} 101