/*
* Handle backspace key
*/
static void rl_key_backspace (void)
{
if (rl_tab_state > 0)
rl_tab_cancel ();
if (rl_left (1))
rl_key_delete ();
}
static int rl_delbol (SLrline_Type *This_RLI)
{
while (This_RLI->point)
{
rl_left (This_RLI);
rl_del(This_RLI);
}
return 0;
}
static int rl_bdel (SLrline_Type *This_RLI)
{
if (This_RLI->point)
{
rl_left (This_RLI);
rl_del(This_RLI);
}
return 0;
}
/*
* Handle tab key - continue tabbing backwards
*/
static void rl_key_shifttab (void)
{
str_s str = { NULL, 0, 0 };
const char *display;
int off;
UWORD columns;
if (rl_tab_state <= 0)
{
printf ("\a");
return;
}
rl_linecompress (&rl_temp, rl_tab_pos, rl_ucspos);
rl_tab_cont = rl_tab_getprev (&rl_temp);
rl_left (rl_tab_common);
for ( ; rl_tab_len; rl_tab_len--)
rl_delete ();
if (!rl_tab_cont)
{
printf ("\a");
rl_tab_state = 0;
rl_recheck (TRUE);
return;
}
str.txt = rl_tab_alias ? rl_tab_alias->alias : rl_tab_cont->nick;
str.len = strlen (str.txt);
for (off = 0; off < str.len; )
{
wint_tt ucs = ConvGetUTF8 (&str, &off);
rl_analyze_ucs (ucs, &display, &columns);
rl_insert_basic (ucs, s_sprintf ("%s%s%s", rl_colon.txt, display, rl_coloff.txt),
strlen (display) + rl_colon.len + rl_coloff.len, columns & 0xff);
rl_tab_len++;
}
rl_left (rl_tab_len - rl_tab_common);
rl_recheck (TRUE);
}
/*
* Handle left arrow key
*/
static void rl_key_left (void)
{
if (!rl_ucspos)
return;
if (rl_tab_state > 0)
{
if (rl_tab_common)
rl_tab_common--;
else
rl_tab_cancel();
}
rl_left (1);
}
int SLrline_move (SLrline_Type *rli, int n)
{
if (rli == NULL)
return -1;
if (n < 0)
{
n = -n;
while (n && rli->point)
{
(void) rl_left (rli);
n--;
}
return 0;
}
while (n && (rli->point != rli->len))
{
(void) rl_right (rli);
n--;
}
return 0;
}
/*
* Cancel the current tab contact
*/
static void rl_tab_cancel (void)
{
str_s str = { NULL, 0, 0 };
const char *display;
int i, off;
UWORD columns;
if (rl_tab_state <= 0)
return;
rl_left (rl_tab_common);
for ( ; rl_tab_len; rl_tab_len--)
rl_delete ();
str.txt = rl_tab_alias ? rl_tab_alias->alias : rl_tab_cont->nick;
str.len = strlen (str.txt);
for (off = i = 0; off < str.len && i < rl_tab_common; i++)
{
wint_tt ucs = ConvGetUTF8 (&str, &off);
rl_analyze_ucs (ucs, &display, &columns);
rl_insert_basic (ucs, display, strlen (display), columns & 0xff);
}
rl_tab_state = 0;
rl_recheck (TRUE);
}
/*
* Handle tab key - start or continue tabbing
*/
static void rl_key_tab (void)
{
str_s str = { NULL, 0, 0 };
strc_t ins;
const char *display;
int i, off;
UWORD columns;
if (rl_tab_state == -1)
{
rl_insert (9);
return;
}
if (!rl_tab_state)
{
if (!rl_ucs.len)
{
rl_insert ('m');
rl_insert ('s');
rl_insert ('g');
rl_insert (' ');
}
for (i = 0; i < rl_ucspos; i++)
{
if (rl_ucs_at (&rl_ucs, i) == ' ')
{
rl_tab_index = 0;
rl_tab_state = 1;
rl_tab_pos = i + 1;
rl_linecompress (&rl_temp, rl_tab_pos, rl_ucspos);
if ((rl_tab_cont = rl_tab_getnext (&rl_temp)))
{
ins = ConvTo (COLQUOTE, ENC(enc_loc));
s_init (&rl_colon, "", 0);
s_catn (&rl_colon, ins->txt, ins->len);
ins = ConvTo (COLNONE, ENC(enc_loc));
s_init (&rl_coloff, "", 0);
s_catn (&rl_coloff, ins->txt, ins->len);
while (rl_ucspos > rl_tab_pos)
rl_left (1), rl_tab_len++;
rl_tab_common = rl_tab_len;
break;
}
}
}
if (!rl_tab_state)
{
printf ("\a");
return;
}
}
else
{
rl_linecompress (&rl_temp, rl_tab_pos, rl_ucspos);
rl_tab_cont = rl_tab_getnext (&rl_temp);
rl_left (rl_tab_common);
}
for ( ; rl_tab_len; rl_tab_len--)
rl_delete ();
if (!rl_tab_cont)
{
printf ("\a");
rl_tab_state = 0;
rl_recheck (TRUE);
return;
}
str.txt = rl_tab_alias ? rl_tab_alias->alias : rl_tab_cont->nick;
str.len = strlen (str.txt);
for (off = 0; off < str.len; )
{
wint_tt ucs = ConvGetUTF8 (&str, &off);
rl_analyze_ucs (ucs, &display, &columns);
rl_insert_basic (ucs, s_sprintf ("%s%s%s", rl_colon.txt, display, rl_coloff.txt),
strlen (display) + rl_colon.len + rl_coloff.len, columns & 0xff);
rl_tab_len++;
}
rl_left (rl_tab_len - rl_tab_common);
rl_recheck (TRUE);
}