/****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. *
+ * Copyright 2019-2020,2021 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 *
#include <curses.priv.h>
#include <ctype.h>
-MODULE_ID("$Id: lib_addch.c,v 1.121 2009/08/04 00:20:09 tom Exp $")
+MODULE_ID("$Id: lib_addch.c,v 1.137 2021/02/20 22:24:34 tom Exp $")
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)
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);
}
#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;
}
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
WINDOW_EXT(win, addch_x) = x;
WINDOW_EXT(win, addch_y) = y;
+ /*
+ * If the background character is a wide-character, that may interfere with
+ * processing multibyte characters in this function.
+ */
+ if (!is8bits(CharOf(CHDEREF(ch)))) {
+ if (WINDOW_EXT(win, addch_used) != 0) {
+ /* discard the incomplete multibyte character */
+ WINDOW_EXT(win, addch_used) = 0;
+ TR(TRACE_VIRTPUT,
+ ("Alert discarded incomplete multibyte"));
+ }
+ return 1;
+ }
+
init_mb(state);
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);
/* handle EILSEQ (i.e., when len >= -1) */
if (len == -1 && is8bits(CharOf(ch))) {
- int rc = OK;
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)
* adjustments.
*/
if_WIDEC({
- int len = wcwidth(CharOf(ch));
+ int len = _nc_wacs_width(CharOf(ch));
int i;
int j;
wchar_t *chars;
return ERR;
x = win->_curx;
y = win->_cury;
+ CHECK_POSITION(win, x, y);
line = win->_line + y;
}
/*
if (x > win->_maxx) {
return wrap_to_next_line(win);
}
- win->_curx = x;
+ win->_curx = (NCURSES_SIZE_T) x;
return OK;
}
/* the workhorse function -- add a character to the given window */
{
NCURSES_SIZE_T x, y;
- chtype t = CharOf(ch);
+ 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)
|| (
s[1] == 0
)
|| (
- isprint(t)
+ (isprint((int) t) && !iscntrl((int) t))
#if USE_WIDEC_SUPPORT
|| ((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
*/
x = win->_curx;
y = win->_cury;
+ CHECK_POSITION(win, x, y);
switch (t) {
case '\t':
#else
tabsize = TABSIZE;
#endif
- x += (tabsize - (x % tabsize));
+ 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.
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;
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)) {
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)) {
projects / ncurses.git / blobdiff