X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_addstr.c;h=a1a55cb8bfd8b9bfa88ec7e11202beedfeb802b0;hp=9ac55e42aba7051daa4cf8cc5df3c1f36e981962;hb=f3eb40315f9e5eff503a172aed6d325b4e1f20c6;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce diff --git a/ncurses/base/lib_addstr.c b/ncurses/base/lib_addstr.c index 9ac55e42..a1a55cb8 100644 --- a/ncurses/base/lib_addstr.c +++ b/ncurses/base/lib_addstr.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -29,6 +29,10 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * + * * + * Rewritten 2001-2004 to support wide-characters by * + * Sven Verdoolaege * + * Thomas Dickey * ****************************************************************************/ /* @@ -40,64 +44,207 @@ #include -MODULE_ID("$Id: lib_addstr.c,v 1.16 1998/06/28 00:38:29 tom Exp $") +MODULE_ID("$Id: lib_addstr.c,v 1.52 2011/05/28 23:02:09 tom Exp $") -int -waddnstr(WINDOW *win, const char *const astr, int n) +NCURSES_EXPORT(int) +waddnstr(WINDOW *win, const char *astr, int n) { -unsigned const char *str = (unsigned const char *)astr; -int code = ERR; - - T((T_CALLED("waddnstr(%p,%s,%d)"), win, _nc_visbuf(astr), n)); - - if (win && (str != 0)) { - T(("... current %s", _traceattr(win->_attrs))); - TR(TRACE_VIRTPUT, ("str is not null")); - code = OK; - if (n < 0) - n = (int)strlen(astr); - - while((n-- > 0) && (*str != '\0')) { - TR(TRACE_VIRTPUT, ("*str = %#x", *str)); - if (_nc_waddch_nosync(win, (chtype)*str++) == ERR) { - code = ERR; - break; + const char *str = astr; + int code = ERR; + + T((T_CALLED("waddnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(astr, n), n)); + + if (win && (str != 0)) { + TR(TRACE_VIRTPUT | TRACE_ATTRS, + ("... current %s", _traceattr(WINDOW_ATTRS(win)))); + code = OK; + if (n < 0) + n = (int) strlen(astr); + + TR(TRACE_VIRTPUT, ("str is not null, length = %d", n)); + while ((n-- > 0) && (*str != '\0')) { + NCURSES_CH_T ch; + TR(TRACE_VIRTPUT, ("*str = %#o", UChar(*str))); + SetChar(ch, UChar(*str++), A_NORMAL); + if (_nc_waddch_nosync(win, ch) == ERR) { + code = ERR; + break; } - } - _nc_synchook(win); } - TR(TRACE_VIRTPUT, ("waddnstr returns %d", code)); + _nc_synchook(win); + } + TR(TRACE_VIRTPUT, ("waddnstr returns %d", code)); + returnCode(code); +} + +NCURSES_EXPORT(int) +waddchnstr(WINDOW *win, const chtype *astr, int n) +{ + NCURSES_SIZE_T y, x; + int code = OK; + int i; + struct ldat *line; + + T((T_CALLED("waddchnstr(%p,%p,%d)"), (void *) win, (const void *) astr, n)); + + if (!win) + returnCode(ERR); + + y = win->_cury; + x = win->_curx; + if (n < 0) { + const chtype *str; + n = 0; + for (str = (const chtype *) astr; *str != 0; str++) + n++; + } + if (n > win->_maxx - x + 1) + n = win->_maxx - x + 1; + if (n == 0) returnCode(code); + + line = &(win->_line[y]); + for (i = 0; i < n && ChCharOf(astr[i]) != '\0'; ++i) { + SetChar2(line->text[i + x], astr[i]); + } + CHANGED_RANGE(line, x, (NCURSES_SIZE_T) (x + n - 1)); + + _nc_synchook(win); + returnCode(code); } -int -waddchnstr(WINDOW *win, const chtype *const astr, int n) +#if USE_WIDEC_SUPPORT + +NCURSES_EXPORT(int) +_nc_wchstrlen(const cchar_t *s) { -short y = win->_cury; -short x = win->_curx; -int code = OK; -struct ldat *line; + int result = 0; + if (s != 0) { + while (CharOf(s[result]) != L'\0') { + result++; + } + } + return result; +} + +NCURSES_EXPORT(int) +wadd_wchnstr(WINDOW *win, const cchar_t *astr, int n) +{ + static const NCURSES_CH_T blank = NewChar(BLANK_TEXT); + NCURSES_SIZE_T y; + NCURSES_SIZE_T x; + int code = OK; + struct ldat *line; + int i, j, start, len, end; - T((T_CALLED("waddchnstr(%p,%p,%d)"), win, astr, n)); + T((T_CALLED("wadd_wchnstr(%p,%s,%d)"), + (void *) win, + _nc_viscbuf(astr, n), + n)); - if (!win) - returnCode(ERR); + if (!win) + returnCode(ERR); - if (n < 0) { - const chtype *str; - n = 0; - for (str=(const chtype *)astr; *str!=0; str++) - n++; + y = win->_cury; + x = win->_curx; + if (n < 0) { + n = _nc_wchstrlen(astr); + } + if (n > win->_maxx - x + 1) + n = win->_maxx - x + 1; + if (n == 0) + returnCode(code); + + line = &(win->_line[y]); + start = x; + end = x + n - 1; + + /* + * Reset orphaned cells of multi-column characters that extend up to the + * new string's location to blanks. + */ + if (x > 0 && isWidecExt(line->text[x])) { + for (i = 0; i <= x; ++i) { + if (!isWidecExt(line->text[x - i])) { + /* must be isWidecBase() */ + start -= i; + while (i > 0) { + line->text[x - i--] = _nc_render(win, blank); + } + break; + } } - if (n > win->_maxx - x + 1) - n = win->_maxx - x + 1; - if (n == 0) - returnCode(code); + } + + /* + * Copy the new string to the window. + */ + for (i = 0; i < n && CharOf(astr[i]) != L'\0' && x <= win->_maxx; ++i) { + if (isWidecExt(astr[i])) + continue; + + len = wcwidth(CharOf(astr[i])); + + if (x + len - 1 <= win->_maxx) { + line->text[x] = _nc_render(win, astr[i]); + if (len > 1) { + for (j = 0; j < len; ++j) { + if (j != 0) { + line->text[x + j] = line->text[x]; + } + SetWidecExt(line->text[x + j], j); + } + } + x = (NCURSES_SIZE_T) (x + len); + end += len - 1; + } else { + break; + } + } + + /* + * Set orphaned cells of multi-column characters which lie after the new + * string to blanks. + */ + while (x <= win->_maxx && isWidecExt(line->text[x])) { + line->text[x] = _nc_render(win, blank); + ++end; + ++x; + } + CHANGED_RANGE(line, start, end); - line = &(win->_line[y]); - memcpy(line->text+x, astr, n*sizeof(*astr)); - CHANGED_RANGE(line, x, x+n-1); + _nc_synchook(win); + returnCode(code); +} + +NCURSES_EXPORT(int) +waddnwstr(WINDOW *win, const wchar_t *str, int n) +{ + int code = ERR; + + T((T_CALLED("waddnwstr(%p,%s,%d)"), (void *) win, _nc_viswbufn(str, n), n)); + + if (win && (str != 0)) { + TR(TRACE_VIRTPUT | TRACE_ATTRS, + ("... current %s", _traceattr(WINDOW_ATTRS(win)))); + code = OK; + if (n < 0) + n = (int) wcslen(str); + TR(TRACE_VIRTPUT, ("str is not null, length = %d", n)); + while ((n-- > 0) && (*str != L('\0'))) { + NCURSES_CH_T ch; + TR(TRACE_VIRTPUT, ("*str[0] = %#lx", (unsigned long) *str)); + SetChar(ch, *str++, A_NORMAL); + if (wadd_wch(win, &ch) == ERR) { + code = ERR; + break; + } + } _nc_synchook(win); - returnCode(code); + } + TR(TRACE_VIRTPUT, ("waddnwstr returns %d", code)); + returnCode(code); } + +#endif