/*
* Print the list of completions in a set of columns.
*/
static void
completion_print (gl_list_t l, size_t size)
{
size_t i, j, col, max, numcols;
max = calculate_max_length (l, size) + 5;
numcols = (get_window_ewidth (cur_wp) - 1) / max;
bprintf ("Possible completions are:\n");
for (i = col = 0; i < MIN (size, gl_list_size (l)); i++)
{
char *s = (char *) gl_list_get_at (l, i);
size_t len = strlen (s);
if (col >= numcols)
{
col = 0;
insert_newline ();
}
insert_nstring (s, len);
for (j = max - len; j > 0; --j)
insert_char_in_insert_mode (' ');
++col;
}
}
static void
print_help (GOptionContext *context,
gboolean main_help,
GOptionGroup *group)
{
GList *list;
gint max_length, len;
gint i;
GOptionEntry *entry;
GHashTable *shadow_map;
gboolean seen[256];
const gchar *rest_description;
rest_description = NULL;
if (context->main_group)
{
for (i = 0; i < context->main_group->n_entries; i++)
{
entry = &context->main_group->entries[i];
if (entry->long_name[0] == 0)
{
rest_description = entry->arg_description;
break;
}
}
}
g_print ("%s\n %s %s%s%s%s%s\n\n",
_("Usage:"), g_get_prgname(), _("[OPTION...]"),
rest_description ? " " : "",
rest_description ? rest_description : "",
context->parameter_string ? " " : "",
context->parameter_string ? context->parameter_string : "");
memset (seen, 0, sizeof (gboolean) * 256);
shadow_map = g_hash_table_new (g_str_hash, g_str_equal);
if (context->main_group)
{
for (i = 0; i < context->main_group->n_entries; i++)
{
entry = &context->main_group->entries[i];
g_hash_table_insert (shadow_map,
(gpointer)entry->long_name,
entry);
if (seen[(guchar)entry->short_name])
entry->short_name = 0;
else
seen[(guchar)entry->short_name] = TRUE;
}
}
list = context->groups;
while (list != NULL)
{
GOptionGroup *group = list->data;
for (i = 0; i < group->n_entries; i++)
{
entry = &group->entries[i];
if (g_hash_table_lookup (shadow_map, entry->long_name) &&
!(entry->flags && G_OPTION_FLAG_NOALIAS))
entry->long_name = g_strdup_printf ("%s-%s", group->name, entry->long_name);
else
g_hash_table_insert (shadow_map, (gpointer)entry->long_name, entry);
if (seen[(guchar)entry->short_name] &&
!(entry->flags && G_OPTION_FLAG_NOALIAS))
entry->short_name = 0;
else
seen[(guchar)entry->short_name] = TRUE;
}
list = list->next;
}
g_hash_table_destroy (shadow_map);
list = context->groups;
max_length = g_utf8_strlen ("-?, --help", -1);
if (list)
{
len = g_utf8_strlen ("--help-all", -1);
max_length = MAX (max_length, len);
}
if (context->main_group)
{
len = calculate_max_length (context->main_group);
max_length = MAX (max_length, len);
}
while (list != NULL)
{
GOptionGroup *group = list->data;
/* First, we check the --help-<groupname> options */
len = g_utf8_strlen ("--help-", -1) + g_utf8_strlen (group->name, -1);
max_length = MAX (max_length, len);
/* Then we go through the entries */
len = calculate_max_length (group);
max_length = MAX (max_length, len);
list = list->next;
}
/* Add a bit of padding */
max_length += 4;
if (!group)
{
list = context->groups;
g_print ("%s\n -%c, --%-*s %s\n",
_("Help Options:"), '?', max_length - 4, "help",
_("Show help options"));
/* We only want --help-all when there are groups */
if (list)
g_print (" --%-*s %s\n", max_length, "help-all",
_("Show all help options"));
while (list)
{
GOptionGroup *group = list->data;
g_print (" --help-%-*s %s\n", max_length - 5, group->name,
TRANSLATE (group, group->help_description));
list = list->next;
}
g_print ("\n");
}
if (group)
{
/* Print a certain group */
g_print ("%s\n", TRANSLATE (group, group->description));
for (i = 0; i < group->n_entries; i++)
print_entry (group, max_length, &group->entries[i]);
g_print ("\n");
}
else if (!main_help)
{
/* Print all groups */
list = context->groups;
while (list)
{
GOptionGroup *group = list->data;
g_print ("%s\n", group->description);
for (i = 0; i < group->n_entries; i++)
if (!(group->entries[i].flags & G_OPTION_FLAG_IN_MAIN))
print_entry (group, max_length, &group->entries[i]);
g_print ("\n");
list = list->next;
}
}
/* Print application options if --help or --help-all has been specified */
if (main_help || !group)
{
list = context->groups;
g_print ("%s\n", _("Application Options:"));
if (context->main_group)
for (i = 0; i < context->main_group->n_entries; i++)
print_entry (context->main_group, max_length,
&context->main_group->entries[i]);
while (list != NULL)
{
GOptionGroup *group = list->data;
/* Print main entries from other groups */
for (i = 0; i < group->n_entries; i++)
if (group->entries[i].flags & G_OPTION_FLAG_IN_MAIN)
print_entry (group, max_length, &group->entries[i]);
list = list->next;
}
g_print ("\n");
}
exit (0);
}
