/* $NetBSD: insstr.c,v 1.7.2.1 2020/07/07 12:43:51 martin Exp $ */ /* * Copyright (c) 2005 The NetBSD Foundation Inc. * All rights reserved. * * This code is derived from code donated to the NetBSD Foundation * by Ruibiao Qiu . * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #ifndef lint __RCSID("$NetBSD: insstr.c,v 1.7.2.1 2020/07/07 12:43:51 martin Exp $"); #endif /* not lint */ #include #include #include "curses.h" #include "curses_private.h" #ifndef _CURSES_USE_MACROS /* * insstr -- * insert a multi-byte character string into the current window */ int insstr(const char *str) { return winsstr(stdscr, str); } /* * insnstr -- * insert a multi-byte character string into the current window * with at most n characters */ int insnstr(const char *str, int n) { return winsnstr(stdscr, str, n); } /* * mvinsstr -- * Do an insert-string on the line at (y, x). */ int mvinsstr(int y, int x, const char *str) { return mvwinsstr(stdscr, y, x, str); } /* * mvinsnstr -- * Do an insert-n-string on the line at (y, x). */ int mvinsnstr(int y, int x, const char *str, int n) { return mvwinsnstr(stdscr, y, x, str, n); } /* * mvwinsstr -- * Do an insert-string on the line at (y, x) in the given window. */ int mvwinsstr(WINDOW *win, int y, int x, const char *str) { if (wmove(win, y, x) == ERR) return ERR; return winsstr(win, str); } /* * mvwinsnstr -- * Do an insert-n-string on the line at (y, x) in the given window. */ int mvwinsnstr(WINDOW *win, int y, int x, const char *str, int n) { if (wmove(win, y, x) == ERR) return ERR; return winsnstr(win, str, n); } #endif /* * winsstr -- * Do an insert-string on the line, leaving (cury, curx) unchanged. * No wrapping. */ int winsstr(WINDOW *win, const char *str) { return winsnstr(win, str, -1); } /* * winsnstr -- * Do an insert-n-string on the line, leaving (cury, curx) unchanged. * Performs wrapping. */ int winsnstr(WINDOW *win, const char *str, int n) { __LDATA *end, *temp1, *temp2; const char *scp; int len, x; __LINE *lnp; #ifdef HAVE_WCHAR nschar_t *np, *tnp; #endif /* HAVE_WCHAR */ /* find string length */ if (n > 0) for (scp = str, len = 0; n-- && *scp++; ++len); else for (scp = str, len = 0; *scp++; ++len); #ifdef DEBUG __CTRACE(__CTRACE_INPUT, "winsnstr: len = %d\n", len); #endif /* DEBUG */ /* move string */ end = &win->alines[win->cury]->line[win->curx]; if (len < win->maxx - win->curx) { #ifdef DEBUG __CTRACE(__CTRACE_INPUT, "winsnstr: shift %d cells\n", len); #endif /* DEBUG */ temp1 = &win->alines[win->cury]->line[win->maxx - 1]; temp2 = temp1 - len; while (temp2 >= end) { #ifdef HAVE_WCHAR np = temp1->nsp; if (np){ while (np) { tnp = np->next; free(np); np = tnp; } temp1->nsp = NULL; } #endif /* HAVE_WCHAR */ (void)memcpy(temp1, temp2, sizeof(__LDATA)); temp1--, temp2--; } } for (scp = str, temp1 = end, x = win->curx; *scp && x < len + win->curx && x < win->maxx; scp++, temp1++, x++) { temp1->ch = (wchar_t)*scp & __CHARTEXT; temp1->attr = win->wattr; #ifdef HAVE_WCHAR SET_WCOL(*temp1, 1); #endif /* HAVE_WCHAR */ } #ifdef DEBUG { int i; for (i = win->curx; i < win->curx + len; i++) { __CTRACE(__CTRACE_INPUT, "winsnstr: (%d,%d)=('%c',%x)\n", win->cury, i, win->alines[win->cury]->line[i].ch, win->alines[win->cury]->line[i].attr); } } #endif /* DEBUG */ lnp = win->alines[win->cury]; lnp->flags |= __ISDIRTY; if (win->ch_off < *lnp->firstchp) *lnp->firstchp = win->ch_off; if (win->ch_off + win->maxx - 1 > *lnp->lastchp) *lnp->lastchp = win->ch_off + win->maxx - 1; __touchline(win, (int)win->cury, (int)win->curx, (int)win->maxx - 1); __sync(win); return OK; }