/* cut prompt to given width and recalculate its' width */
void ncurses_update_real_prompt(ncurses_window_t *n) {
g_assert(n);
#if 0 /* XXX: shortening */
const int _maxlen = n->window && n->window->_maxx ? n->window->_maxx : 80;
const int maxlen = ncurses_noecho ? _maxlen - 3 : _maxlen / 3;
xfree(n->prompt_real);
if (maxlen <= 6) /* we assume the terminal is too narrow to display any input with prompt */
n->prompt_real = NULL;
else {
#ifdef USE_UNICODE
n->prompt_real = normal_to_wcs(n->prompt);
#else
n->prompt_real = (CHAR_T *) xstrdup(n->prompt);
#endif
}
n->prompt_real_len = xwcslen(n->prompt_real);
if (n->prompt_real_len > maxlen) { /* need to cut it */
const CHAR_T *dots = (CHAR_T *) TEXT("...");
#ifdef USE_UNICODE
const wchar_t udots[2] = { 0x2026, 0 };
if (console_charset_is_utf8) /* use unicode hellip, if using utf8 */
dots = udots;
#endif
{
const int dotslen = xwcslen(dots);
const int taillen = (maxlen - dotslen) / 2; /* rounded down */
const int headlen = (maxlen - dotslen) - taillen; /* rounded up */
CHAR_T *tmp = xmalloc(sizeof(CHAR_T) * (maxlen + 1));
xwcslcpy(tmp, n->prompt_real, headlen + 1);
xwcslcpy(tmp + headlen, dots, dotslen + 1);
xwcslcpy(tmp + headlen + dotslen, n->prompt_real + n->prompt_real_len - taillen, taillen + 1);
xfree(n->prompt_real);
n->prompt_real = tmp;
n->prompt_real_len = maxlen;
}
}
#endif
}
static BINDING_FUNCTION(binding_word_rubout)
{
CHAR_T *p;
int eaten = 0;
if (!line_index)
return;
xfree(yanked);
p = line + line_index;
if (xisspace(*(p - 1))) {
while (p > line && xisspace(*(p - 1))) {
p--;
eaten++;
}
} else {
while (p > line && ! xisalpha(*(p - 1)) && ! xisspace(*(p - 1))) {
p--;
eaten++;
}
}
if (p > line) {
while (p > line && ! xisspace(*(p - 1)) && xisalpha(*(p - 1))) {
p--;
eaten++;
}
}
yanked = xcalloc(eaten + 1, sizeof(CHAR_T));
xwcslcpy(yanked, p, eaten + 1);
memmove(p, line + line_index, (xwcslen(line) - line_index + 1) * sizeof(CHAR_T));
line_index -= eaten;
}
