static void readline_completion(ReadLineState *rs)
{
Monitor *mon = cur_mon;
int len, i, j, max_width, nb_cols, max_prefix;
char *cmdline;
rs->nb_completions = 0;
cmdline = g_malloc(rs->cmd_buf_index + 1);
memcpy(cmdline, rs->cmd_buf, rs->cmd_buf_index);
cmdline[rs->cmd_buf_index] = '\0';
rs->completion_finder(cmdline);
g_free(cmdline);
/* no completion found */
if (rs->nb_completions <= 0)
return;
if (rs->nb_completions == 1) {
len = strlen(rs->completions[0]);
for(i = rs->completion_index; i < len; i++) {
readline_insert_char(rs, rs->completions[0][i]);
}
/* extra space for next argument. XXX: make it more generic */
if (len > 0 && rs->completions[0][len - 1] != '/')
readline_insert_char(rs, ' ');
} else {
monitor_printf(mon, "\n");
max_width = 0;
max_prefix = 0;
for(i = 0; i < rs->nb_completions; i++) {
len = strlen(rs->completions[i]);
if (i==0) {
max_prefix = len;
} else {
if (len < max_prefix)
max_prefix = len;
for(j=0; j<max_prefix; j++) {
if (rs->completions[i][j] != rs->completions[0][j])
max_prefix = j;
}
}
if (len > max_width)
max_width = len;
}
if (max_prefix > 0)
for(i = rs->completion_index; i < max_prefix; i++) {
readline_insert_char(rs, rs->completions[0][i]);
}
max_width += 2;
if (max_width < 10)
max_width = 10;
else if (max_width > 80)
max_width = 80;
nb_cols = 80 / max_width;
j = 0;
for(i = 0; i < rs->nb_completions; i++) {
monitor_printf(rs->mon, "%-*s", max_width, rs->completions[i]);
if (++j == nb_cols || i == (rs->nb_completions - 1)) {
monitor_printf(rs->mon, "\n");
j = 0;
}
}
readline_show_prompt(rs);
}
for (i = 0; i < rs->nb_completions; i++) {
g_free(rs->completions[i]);
}
}
static void readline_clear_screen(ReadLineState *rs)
{
rs->printf_func(rs->opaque, "\033[2J\033[1;1H");
readline_show_prompt(rs);
}
