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iwd
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client: Display handler for the completion candidates

This commit is contained in:
Tim Kourt 2017-04-26 16:08:38 -07:00 committed by Denis Kenzior
parent e04df7f282
commit e2a81248df
1 changed files with 35 additions and 0 deletions
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35
client/display.c
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@ -314,6 +314,40 @@ void display_command(const struct command_family *family, const char *cmd_name)
}
}
static void display_completion_matches(char **matches, int num_matches,
int max_length)
{
char *prompt;
char *entry;
char line[LINE_LEN];
size_t index;
size_t line_used;
prompt = l_strdup_printf("%s%s\n", IWD_PROMPT, rl_copy_text(0, rl_end));
display_text(prompt);
l_free(prompt);
for (index = 1, line_used = 0; matches[index]; index++) {
if ((line_used + max_length) > LINE_LEN) {
strcpy(&line[line_used], "\n");
display_text(line);
line_used = 0;
}
entry = l_strdup_printf("%-*s ", max_length, matches[index]);
strcpy(&line[line_used], entry);
l_free(entry);
line_used += max_length + 1;
}
strcpy(&line[line_used], "\n");
display_text(line);
}
static void readline_callback(char *prompt)
{
HIST_ENTRY *previous_prompt;
@ -393,6 +427,7 @@ void display_init(void)
setlinebuf(stdout);
rl_attempted_completion_function = command_completion;
rl_completion_display_matches_hook = display_completion_matches;
rl_erase_empty_line = 1;
rl_callback_handler_install("Waiting for IWD to appear...",