/**
* dump_bind - Dump a bind map to a buffer
* @param buf Output buffer
* @param menu Map menu
* @param map Bind keymap
*/
static void dump_bind(struct Buffer *buf, struct Mapping *menu, struct Keymap *map)
{
char key_binding[MAX_SEQ];
const char *fn_name = NULL;
km_expand_key(key_binding, MAX_SEQ, map);
if (map->op == OP_NULL)
{
mutt_buffer_add_printf(buf, "bind %s %s noop\n", menu->name, key_binding);
return;
}
/* The pager and editor menus don't use the generic map,
* however for other menus try generic first. */
if ((menu->value != MENU_PAGER) && (menu->value != MENU_EDITOR) && (menu->value != MENU_GENERIC))
{
fn_name = mutt_get_func(OpGeneric, map->op);
}
/* if it's one of the menus above or generic doesn't find
* the function, try with its own menu. */
if (!fn_name)
{
const struct Binding *bindings = km_get_table(menu->value);
if (!bindings)
return;
fn_name = mutt_get_func(bindings, map->op);
}
mutt_buffer_add_printf(buf, "bind %s %s %s\n", menu->name, key_binding, fn_name);
}
void mutt_help (int menu)
{
char t[_POSIX_PATH_MAX];
char buf[SHORT_STRING];
const char *desc;
FILE *f;
const struct binding_t *funcs;
mutt_mktemp (t, sizeof (t));
funcs = km_get_table (menu);
desc = mutt_getnamebyvalue (menu, Menus);
if (!desc)
desc = _("<UNKNOWN>");
do {
if ((f = safe_fopen (t, "w")) == NULL)
{
mutt_perror (t);
return;
}
dump_menu (f, menu);
if (menu != MENU_EDITOR && menu != MENU_PAGER)
{
fputs (_("\nGeneric bindings:\n\n"), f);
dump_menu (f, MENU_GENERIC);
}
fputs (_("\nUnbound functions:\n\n"), f);
if (funcs)
dump_unbound (f, funcs, Keymaps[menu], NULL);
if (menu != MENU_PAGER)
dump_unbound (f, OpGeneric, Keymaps[MENU_GENERIC], Keymaps[menu]);
safe_fclose (&f);
snprintf (buf, sizeof (buf), _("Help for %s"), desc);
}
while
(mutt_do_pager (buf, t,
M_PAGER_RETWINCH | M_PAGER_MARKER | M_PAGER_NSKIP | M_PAGER_NOWRAP,
NULL)
== OP_REFORMAT_WINCH);
}
static const struct binding_t *help_lookupFunction (int op, int menu)
{
int i;
const struct binding_t *map;
if (menu != MENU_PAGER)
{
/* first look in the generic map for the function */
for (i = 0; OpGeneric[i].name; i++)
if (OpGeneric[i].op == op)
return (&OpGeneric[i]);
}
if ((map = km_get_table(menu)))
{
for (i = 0; map[i].name; i++)
if (map[i].op == op)
return (&map[i]);
}
return (NULL);
}