X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_addch.c;h=604b13be8cec16bab2f9242b0006ffe988455b06;hp=1ef6cc5803d3f3dca39cd370d1faad2c57e00fcb;hb=c976a90788f3e50afc773670ff74c5270ecb48df;hpb=b779f5fb4516b3e6d1bc8880ea68923efb761e1d diff --git a/ncurses/base/lib_addch.c b/ncurses/base/lib_addch.c index 1ef6cc58..604b13be 100644 --- a/ncurses/base/lib_addch.c +++ b/ncurses/base/lib_addch.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2006,2008 Free Software Foundation, Inc. * + * Copyright 2019,2020 Thomas E. Dickey * + * Copyright 1998-2016,2017 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 * @@ -36,7 +37,7 @@ #include #include -MODULE_ID("$Id: lib_addch.c,v 1.108 2008/02/03 18:50:27 tom Exp $") +MODULE_ID("$Id: lib_addch.c,v 1.134 2020/02/02 23:34:34 tom Exp $") static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT); @@ -51,7 +52,7 @@ static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT); */ /* Return bit mask for clearing color pair number if given ch has color */ -#define COLOR_MASK(ch) (~(attr_t)((ch) & A_COLOR ? A_COLOR : 0)) +#define COLOR_MASK(ch) (~(attr_t)(((ch) & A_COLOR) ? A_COLOR : 0)) static NCURSES_INLINE NCURSES_CH_T render_char(WINDOW *win, NCURSES_CH_T ch) @@ -77,12 +78,6 @@ render_char(WINDOW *win, NCURSES_CH_T ch) if ((pair = GET_WINDOW_PAIR(win)) == 0) pair = GetPair(win->_nc_bkgd); } -#if 0 - if (pair > 255) { - NCURSES_CH_T fixme = ch; - SetPair(fixme, pair); - } -#endif AddAttr(ch, (a & COLOR_MASK(AttrOf(ch)))); SetPair(ch, pair); } @@ -123,15 +118,19 @@ _nc_render(WINDOW *win, NCURSES_CH_T ch) #endif static bool -newline_forces_scroll(WINDOW *win, NCURSES_SIZE_T * ypos) +newline_forces_scroll(WINDOW *win, NCURSES_SIZE_T *ypos) { bool result = FALSE; - if (*ypos >= win->_regtop && *ypos == win->_regbottom) { - *ypos = win->_regbottom; - result = TRUE; - } else { - *ypos += 1; + if (*ypos >= win->_regtop && *ypos <= win->_regbottom) { + if (*ypos == win->_regbottom) { + *ypos = win->_regbottom; + result = TRUE; + } else if (*ypos < win->_maxy) { + *ypos = (NCURSES_SIZE_T) (*ypos + 1); + } + } else if (*ypos < win->_maxy) { + *ypos = (NCURSES_SIZE_T) (*ypos + 1); } return result; } @@ -176,8 +175,8 @@ fill_cells(WINDOW *win, int count) if (waddch_literal(win, blank) == ERR) break; } - win->_curx = save_x; - win->_cury = save_y; + win->_curx = (NCURSES_SIZE_T) save_x; + win->_cury = (NCURSES_SIZE_T) save_y; } #endif @@ -210,14 +209,17 @@ _nc_build_wch(WINDOW *win, ARG_CH_T ch) WINDOW_EXT(win, addch_y) = y; init_mb(state); - buffer[WINDOW_EXT(win, addch_used)] = CharOf(CHDEREF(ch)); + buffer[WINDOW_EXT(win, addch_used)] = (char) CharOf(CHDEREF(ch)); WINDOW_EXT(win, addch_used) += 1; buffer[WINDOW_EXT(win, addch_used)] = '\0'; - if ((len = mbrtowc(&result, - buffer, - WINDOW_EXT(win, addch_used), &state)) > 0) { + if ((len = (int) mbrtowc(&result, + buffer, + (size_t) WINDOW_EXT(win, addch_used), + &state)) > 0) { attr_t attrs = AttrOf(CHDEREF(ch)); + if_EXT_COLORS(int pair = GetPair(CHDEREF(ch))); SetChar(CHDEREF(ch), result, attrs); + if_EXT_COLORS(SetPair(CHDEREF(ch), pair)); WINDOW_EXT(win, addch_used) = 0; } else if (len == -1) { /* @@ -258,20 +260,37 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch) /* * Build up multibyte characters until we have a wide-character. */ +#if NCURSES_SP_FUNCS +#define DeriveSP() SCREEN *sp = _nc_screen_of(win); +#else +#define DeriveSP() /*nothing */ +#endif if_WIDEC({ + DeriveSP(); if (WINDOW_EXT(win, addch_used) != 0 || !Charable(ch)) { int len = _nc_build_wch(win, CHREF(ch)); if (len >= -1) { - /* handle EILSEQ */ - if (is8bits(CharOf(ch))) { - const char *s = unctrl((chtype) CharOf(ch)); - if (s[1] != 0) { - return waddstr(win, s); + attr_t attr = AttrOf(ch); + + /* handle EILSEQ (i.e., when len >= -1) */ + if (len == -1 && is8bits(CharOf(ch))) { + const char *s = NCURSES_SP_NAME(unctrl) + (NCURSES_SP_ARGx (chtype) CharOf(ch)); + + if (s[1] != '\0') { + int rc = OK; + while (*s != '\0') { + rc = waddch(win, UChar(*s) | attr); + if (rc != OK) + break; + ++s; + } + return rc; } } if (len == -1) - return waddch(win, ' '); + return waddch(win, ' ' | attr); } else { return OK; } @@ -285,15 +304,18 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch) * adjustments. */ if_WIDEC({ - int len = wcwidth(CharOf(ch)); + int len = _nc_wacs_width(CharOf(ch)); int i; int j; + wchar_t *chars; if (len == 0) { /* non-spacing */ if ((x > 0 && y >= 0) - || ((y = win->_cury - 1) >= 0 && - (x = win->_maxx) > 0)) { - wchar_t *chars = (win->_line[y].text[x - 1].chars); + || (win->_maxx >= 0 && win->_cury >= 1)) { + if (x > 0 && y >= 0) + chars = (win->_line[y].text[x - 1].chars); + else + chars = (win->_line[y - 1].text[win->_maxx].chars); for (i = 0; i < CCHARW_MAX; ++i) { if (chars[i] == 0) { TR(TRACE_VIRTPUT, @@ -322,6 +344,8 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch) return ERR; x = win->_curx; y = win->_cury; + CHECK_POSITION(win, x, y); + line = win->_line + y; } /* * Check for cells which are orphaned by adding this character, set @@ -379,7 +403,7 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch) if (x > win->_maxx) { return wrap_to_next_line(win); } - win->_curx = x; + win->_curx = (NCURSES_SIZE_T) x; return OK; } @@ -388,30 +412,36 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch) /* the workhorse function -- add a character to the given window */ { NCURSES_SIZE_T x, y; - chtype t = CharOf(ch); - const char *s = unctrl(t); + chtype t = (chtype) CharOf(ch); +#if USE_WIDEC_SUPPORT || NCURSES_SP_FUNCS || USE_REENTRANT + SCREEN *sp = _nc_screen_of(win); +#endif + const char *s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx t); + int tabsize = 8; /* * If we are using the alternate character set, forget about locale. * Otherwise, if unctrl() returns a single-character or the locale - * claims the code is printable, treat it that way. + * claims the code is printable (and not also a control character), + * treat it that way. */ if ((AttrOf(ch) & A_ALTCHARSET) || ( #if USE_WIDEC_SUPPORT - (SP != 0 && SP->_legacy_coding) && + (sp != 0 && sp->_legacy_coding) && #endif s[1] == 0 ) || ( - isprint(t) + (isprint((int) t) && !iscntrl((int) t)) #if USE_WIDEC_SUPPORT - || ((SP == 0 || !SP->_legacy_coding) && + || ((sp == 0 || !sp->_legacy_coding) && (WINDOW_EXT(win, addch_used) || !_nc_is_charable(CharOf(ch)))) #endif - )) + )) { return waddch_literal(win, ch); + } /* * Handle carriage control and other codes that are not printable, or are @@ -419,11 +449,16 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch) */ x = win->_curx; y = win->_cury; + CHECK_POSITION(win, x, y); switch (t) { case '\t': - x += (TABSIZE - (x % TABSIZE)); - +#if USE_REENTRANT + tabsize = *ptrTabsize(sp); +#else + tabsize = TABSIZE; +#endif + x = (NCURSES_SIZE_T) (x + (tabsize - (x % tabsize))); /* * Space-fill the tab on the bottom line so that we'll get the * "correct" cursor position. @@ -473,7 +508,8 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch) default: while (*s) { NCURSES_CH_T sch; - SetChar(sch, *s++, AttrOf(ch)); + SetChar(sch, UChar(*s++), AttrOf(ch)); + if_EXT_COLORS(SetPair(sch, GetPair(ch))); if (waddch_literal(win, sch) == ERR) return ERR; } @@ -508,7 +544,7 @@ waddch(WINDOW *win, const chtype ch) NCURSES_CH_T wch; SetChar2(wch, ch); - TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("waddch(%p, %s)"), win, + TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("waddch(%p, %s)"), (void *) win, _tracechtype(ch))); if (win && (waddch_nosync(win, wch) != ERR)) { @@ -527,7 +563,8 @@ wechochar(WINDOW *win, const chtype ch) NCURSES_CH_T wch; SetChar2(wch, ch); - TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("wechochar(%p, %s)"), win, + TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("wechochar(%p, %s)"), + (void *) win, _tracechtype(ch))); if (win && (waddch_nosync(win, wch) != ERR)) {