/*
* Return appropriate space number for breakindent, taking influencing
* parameters into account. Window must be specified, since it is not
* necessarily always the current one.
*/
int get_breakindent_win(win_T *wp, char_u *line) {
static int prev_indent = 0; /* cached indent value */
static int prev_ts = 0L; /* cached tabstop value */
static char_u *prev_line = NULL; /* cached pointer to line */
int bri = 0;
/* window width minus window margin space, i.e. what rests for text */
const int eff_wwidth = wp->w_width
- ((wp->w_p_nu || wp->w_p_rnu)
&& (vim_strchr(p_cpo, CPO_NUMCOL) == NULL)
? number_width(wp) + 1 : 0);
/* used cached indent, unless pointer or 'tabstop' changed */
if (prev_line != line || prev_ts != wp->w_buffer->b_p_ts)
{
prev_line = line;
prev_ts = wp->w_buffer->b_p_ts;
prev_indent = get_indent_str(line,
(int)wp->w_buffer->b_p_ts, wp->w_p_list);
}
bri = prev_indent + wp->w_p_brishift;
/* indent minus the length of the showbreak string */
if (wp->w_p_brisbr)
bri -= vim_strsize(p_sbr);
/* Add offset for number column, if 'n' is in 'cpoptions' */
bri += win_col_off2(wp);
/* never indent past left window margin */
if (bri < 0)
bri = 0;
/* always leave at least bri_min characters on the left,
* if text width is sufficient */
else if (bri > eff_wwidth - wp->w_p_brimin)
bri = (eff_wwidth - wp->w_p_brimin < 0)
? 0 : eff_wwidth - wp->w_p_brimin;
return bri;
}
// Count the size (in window cells) of the indent in line "lnum" of buffer
// "buf".
int get_indent_buf(buf_T *buf, linenr_T lnum)
{
return get_indent_str(ml_get_buf(buf, lnum, false), (int)buf->b_p_ts);
}
// Count the size (in window cells) of the indent in line "lnum".
int get_indent_lnum(linenr_T lnum)
{
return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts);
}
// Count the size (in window cells) of the indent in the current line.
int get_indent(void)
{
return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts);
}
// Count the size (in window cells) of the indent in the current line.
int get_indent(void)
{
return get_indent_str(get_cursor_line_ptr(), (int)curbuf->b_p_ts, false);
}