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/* $OpenBSD: lib_ins_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 2002-2003,2005 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 2002 * |
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****************************************************************************/ |
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/* |
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** lib_ins_wch.c |
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** |
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** The routine wins_wch(). |
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** |
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*/ |
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#include <curses.priv.h> |
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MODULE_ID("$Id: lib_ins_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $") |
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/* |
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* Insert the given character, updating the current location to simplify |
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* inserting a string. |
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*/ |
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static int |
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_nc_insert_wch(WINDOW *win, const cchar_t *wch) |
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{ |
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int cells = wcwidth(CharOf(CHDEREF(wch))); |
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int cell; |
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if (cells <= 0) |
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cells = 1; |
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if (win->_curx <= win->_maxx) { |
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struct ldat *line = &(win->_line[win->_cury]); |
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NCURSES_CH_T *end = &(line->text[win->_curx]); |
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NCURSES_CH_T *temp1 = &(line->text[win->_maxx]); |
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NCURSES_CH_T *temp2 = temp1 - cells; |
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CHANGED_TO_EOL(line, win->_curx, win->_maxx); |
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while (temp1 > end) |
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*temp1-- = *temp2--; |
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*temp1 = _nc_render(win, *wch); |
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for (cell = 1; cell < cells; ++cell) { |
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SetWidecExt(temp1[cell], cell); |
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} |
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win->_curx++; |
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} |
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return OK; |
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} |
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NCURSES_EXPORT(int) |
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wins_wch(WINDOW *win, const cchar_t *wch) |
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{ |
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NCURSES_SIZE_T oy; |
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NCURSES_SIZE_T ox; |
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int code = ERR; |
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T((T_CALLED("wins_wch(%p, %s)"), win, _tracecchar_t(wch))); |
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if (win != 0) { |
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oy = win->_cury; |
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ox = win->_curx; |
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code = _nc_insert_wch(win, wch); |
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win->_curx = ox; |
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win->_cury = oy; |
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_nc_synchook(win); |
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} |
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returnCode(code); |
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} |
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NCURSES_EXPORT(int) |
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wins_nwstr(WINDOW *win, const wchar_t *wstr, int n) |
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{ |
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int code = ERR; |
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NCURSES_SIZE_T oy; |
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NCURSES_SIZE_T ox; |
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const wchar_t *cp; |
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T((T_CALLED("wins_nwstr(%p,%s,%d)"), win, _nc_viswbufn(wstr, n), n)); |
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if (win != 0 |
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&& wstr != 0) { |
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if (n < 1) |
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n = wcslen(wstr); |
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code = OK; |
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if (n > 0) { |
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oy = win->_cury; |
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ox = win->_curx; |
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for (cp = wstr; *cp && ((cp - wstr) < n); cp++) { |
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int len = wcwidth(*cp); |
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if (len != 1 || !is8bits(*cp)) { |
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cchar_t tmp_cchar; |
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wchar_t tmp_wchar = *cp; |
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memset(&tmp_cchar, 0, sizeof(tmp_cchar)); |
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(void) setcchar(&tmp_cchar, |
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&tmp_wchar, |
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WA_NORMAL, |
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0, |
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(void *) 0); |
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code = _nc_insert_wch(win, &tmp_cchar); |
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} else { |
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/* tabs, other ASCII stuff */ |
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code = _nc_insert_ch(win, (chtype) (*cp)); |
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} |
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if (code != OK) |
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break; |
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} |
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win->_curx = ox; |
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win->_cury = oy; |
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_nc_synchook(win); |
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} |
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} |
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returnCode(code); |
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} |