mirror of
https://github.com/Aigor44/ncursesw-morphos.git
synced 2024-12-27 07:49:06 +08:00
3a0d9d27e0
+ quiet some pedantic gcc warnings. + modify _nc_wgetch() to check for a -1 in the fifo, e.g., after a SIGWINCH, and discard that value, to avoid confusing application (patch by Eygene Ryabinkin, FreeBSD bin/136223).
148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/****************************************************************************
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* Copyright (c) 2002-2005,2009 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 1.11 2009/10/24 22:43:14 tom 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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NCURSES_EXPORT(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)"), (void *) 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)"),
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(void *) 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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SCREEN *sp = _nc_screen_of(win);
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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(sp, 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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}
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