/// Set v:servername to the first server in the server list, or unset it if no
/// servers are known.
static void set_vservername(garray_T *srvs)
{
char *default_server = (srvs->ga_len > 0)
? ((SocketWatcher **)srvs->ga_data)[0]->addr
: NULL;
set_vim_var_string(VV_SEND_SERVER, default_server, -1);
}
/*
* Common code, invoked when the mouse is resting for a moment.
*/
void
general_beval_cb(BalloonEval *beval, int state UNUSED)
{
#ifdef FEAT_EVAL
win_T *wp;
int col;
int use_sandbox;
linenr_T lnum;
char_u *text;
static char_u *result = NULL;
long winnr = 0;
char_u *bexpr;
buf_T *save_curbuf;
size_t len;
# ifdef FEAT_WINDOWS
win_T *cw;
# endif
#endif
static int recursive = FALSE;
/* Don't do anything when 'ballooneval' is off, messages scrolled the
* windows up or we have no beval area. */
if (!p_beval || balloonEval == NULL || msg_scrolled > 0)
return;
/* Don't do this recursively. Happens when the expression evaluation
* takes a long time and invokes something that checks for CTRL-C typed. */
if (recursive)
return;
recursive = TRUE;
#ifdef FEAT_EVAL
if (get_beval_info(balloonEval, TRUE, &wp, &lnum, &text, &col) == OK)
{
bexpr = (*wp->w_buffer->b_p_bexpr == NUL) ? p_bexpr
: wp->w_buffer->b_p_bexpr;
if (*bexpr != NUL)
{
# ifdef FEAT_WINDOWS
/* Convert window pointer to number. */
for (cw = firstwin; cw != wp; cw = cw->w_next)
++winnr;
# endif
set_vim_var_nr(VV_BEVAL_BUFNR, (long)wp->w_buffer->b_fnum);
set_vim_var_nr(VV_BEVAL_WINNR, winnr);
set_vim_var_nr(VV_BEVAL_WINID, wp->w_id);
set_vim_var_nr(VV_BEVAL_LNUM, (long)lnum);
set_vim_var_nr(VV_BEVAL_COL, (long)(col + 1));
set_vim_var_string(VV_BEVAL_TEXT, text, -1);
vim_free(text);
/*
* Temporarily change the curbuf, so that we can determine whether
* the buffer-local balloonexpr option was set insecurely.
*/
save_curbuf = curbuf;
curbuf = wp->w_buffer;
use_sandbox = was_set_insecurely((char_u *)"balloonexpr",
*curbuf->b_p_bexpr == NUL ? 0 : OPT_LOCAL);
curbuf = save_curbuf;
if (use_sandbox)
++sandbox;
++textlock;
vim_free(result);
result = eval_to_string(bexpr, NULL, TRUE);
/* Remove one trailing newline, it is added when the result was a
* list and it's hardly every useful. If the user really wants a
* trailing newline he can add two and one remains. */
if (result != NULL)
{
len = STRLEN(result);
if (len > 0 && result[len - 1] == NL)
result[len - 1] = NUL;
}
if (use_sandbox)
--sandbox;
--textlock;
set_vim_var_string(VV_BEVAL_TEXT, NULL, -1);
if (result != NULL && result[0] != NUL)
{
gui_mch_post_balloon(beval, result);
recursive = FALSE;
return;
}
}
}
#endif
#ifdef FEAT_NETBEANS_INTG
if (bevalServers & BEVAL_NETBEANS)
netbeans_beval_cb(beval, state);
#endif
#ifdef FEAT_SUN_WORKSHOP
if (bevalServers & BEVAL_WORKSHOP)
workshop_beval_cb(beval, state);
#endif
recursive = FALSE;
}
