/****************************************************************************
- * Copyright (c) 1998-2002,2003 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2007,2009 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 *
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* *
- * Rewritten 2001-2002 to support wide-characters by *
+ * Rewritten 2001-2004 to support wide-characters by *
* Sven Verdoolaege *
* Thomas Dickey *
****************************************************************************/
#include <curses.priv.h>
-MODULE_ID("$Id: lib_addstr.c,v 1.39 2003/12/06 18:04:33 tom Exp $")
+MODULE_ID("$Id: lib_addstr.c,v 1.50 2009/10/24 23:24:03 tom Exp $")
NCURSES_EXPORT(int)
waddnstr(WINDOW *win, const char *astr, int n)
const char *str = astr;
int code = ERR;
- T((T_CALLED("waddnstr(%p,%s,%d)"), win, _nc_visbufn(astr, n), n));
+ 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(win->_attrs)));
+ TR(TRACE_VIRTPUT | TRACE_ATTRS,
+ ("... current %s", _traceattr(WINDOW_ATTRS(win))));
code = OK;
if (n < 0)
n = (int) strlen(astr);
NCURSES_EXPORT(int)
waddchnstr(WINDOW *win, const chtype *astr, int n)
{
- NCURSES_SIZE_T y = win->_cury;
- NCURSES_SIZE_T x = win->_curx;
+ NCURSES_SIZE_T y, x;
int code = OK;
+ int i;
struct ldat *line;
- T((T_CALLED("waddchnstr(%p,%p,%d)"), win, astr, n));
+ 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;
returnCode(code);
line = &(win->_line[y]);
-#if USE_WIDEC_SUPPORT
- {
- int i;
- for (i = 0; i < n; ++i)
- SetChar(line->text[i + x], ChCharOf(astr[i]), ChAttrOf(astr[i]));
+ for (i = 0; i < n && ChCharOf(astr[i]) != '\0'; ++i) {
+ SetChar2(line->text[i + x], astr[i]);
}
-#else
- memcpy(line->text + x, astr, n * sizeof(*astr));
-#endif
CHANGED_RANGE(line, x, x + n - 1);
_nc_synchook(win);
#if USE_WIDEC_SUPPORT
NCURSES_EXPORT(int)
-_nc_wchstrlen(const cchar_t * s)
+_nc_wchstrlen(const cchar_t *s)
{
int result = 0;
while (CharOf(s[result]) != L'\0') {
}
NCURSES_EXPORT(int)
-wadd_wchnstr(WINDOW *win, const cchar_t * astr, int n)
+wadd_wchnstr(WINDOW *win, const cchar_t *astr, int n)
{
- NCURSES_SIZE_T y = win->_cury;
- NCURSES_SIZE_T x = win->_curx;
+ 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, start, end;
+ int i, j, start, len, end;
- T((T_CALLED("wadd_wchnstr(%p,%s,%d)"), win, _nc_viscbuf(astr, n), n));
+ T((T_CALLED("wadd_wchnstr(%p,%s,%d)"),
+ (void *) win,
+ _nc_viscbuf(astr, n),
+ n));
if (!win)
returnCode(ERR);
+ y = win->_cury;
+ x = win->_curx;
if (n < 0) {
n = _nc_wchstrlen(astr);
}
line = &(win->_line[y]);
start = x;
end = x + n - 1;
- if (isnac(line->text[x])) {
- line->text[x - 1] = win->_nc_bkgd;
- --start;
+
+ /*
+ * 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;
+ }
+ }
}
- for (i = 0; i < n && x <= win->_maxx; ++i) {
- line->text[x++] = astr[i];
- if (wcwidth(CharOf(astr[i])) > 1) {
- if (x <= win->_maxx)
- AddAttr(line->text[x++], WA_NAC);
- else
- line->text[x - 1] = win->_nc_bkgd;
+
+ /*
+ * 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 += len;
+ end += len - 1;
+ } else {
+ break;
}
}
- if (x <= win->_maxx && isnac(line->text[x])) {
- line->text[x] = win->_nc_bkgd;
+
+ /*
+ * 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);
}
NCURSES_EXPORT(int)
-waddnwstr(WINDOW *win, const wchar_t * str, int n)
+waddnwstr(WINDOW *win, const wchar_t *str, int n)
{
int code = ERR;
- T((T_CALLED("waddnwstr(%p,%s,%d)"), win, _nc_viswbufn(str, n), n));
+ 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(win->_attrs)));
+ TR(TRACE_VIRTPUT | TRACE_ATTRS,
+ ("... current %s", _traceattr(WINDOW_ATTRS(win))));
code = OK;
if (n < 0)
n = (int) wcslen(str);
projects / ncurses.git / blobdiff