Hack together a Library tab

This needs serious clean up.  Even though it's not the first iteration.
This commit is contained in:
Přemysl Eric Janouch 2016-10-12 15:08:39 +02:00
parent d364f28039
commit ea6b12ba7d
Signed by: p
GPG Key ID: B715679E3A361BE6

246
nncmpp.c
View File

@ -2008,6 +2008,242 @@ current_tab_init (void)
return super;
}
// --- Library tab -------------------------------------------------------------
enum
{
// This list is also ordered by ASCII and important for sorting
LIBRARY_ROOT = '/', ///< Root entry
LIBRARY_UP = '^', ///< Upper directory
LIBRARY_DIR = 'd', ///< Directory
LIBRARY_FILE = 'f' ///< File
};
static struct
{
struct tab super; ///< Parent class
struct str path; ///< Current path
struct str_vector items; ///< Current items (type, name, path)
}
g_library_tab;
static void
library_tab_on_item_draw (size_t item_index, struct row_buffer *buffer,
int width)
{
(void) width;
hard_assert (item_index < g_library_tab.items.len);
const char *item = g_library_tab.items.vector[item_index];
char type = *item++;
switch (type)
{
case LIBRARY_ROOT: row_buffer_append (buffer, "/", 0); break;
case LIBRARY_UP: row_buffer_append (buffer, "/..", 0); break;
case LIBRARY_DIR: row_buffer_addv (buffer, "/", 0, item, 0, NULL); break;
case LIBRARY_FILE: row_buffer_addv (buffer, " ", 0, item, 0, NULL); break;
default: hard_assert (!"invalid item type");
}
}
static void
library_tab_add (int type, const char *name, const char *path)
{
str_vector_add_owned (&g_library_tab.items,
xstrdup_printf ("%c%s%c%s", type, name, 0, path));
}
static void
library_tab_chunk (struct str_map *map)
{
if (!map->len)
return;
const char *artist = str_map_find (map, "artist");
const char *title = str_map_find (map, "title");
char *name = (artist && title)
? xstrdup_printf ("%s - %s", artist, title)
: NULL;
char *id, type;
if ((id = str_map_find (map, "directory")))
type = LIBRARY_DIR;
else if ((id = str_map_find (map, "file")))
type = LIBRARY_FILE;
const char *last_slash = strrchr (id, '/');
const char *base = last_slash ? last_slash + 1 : id;
library_tab_add (type, name ? name : base, id);
free (name);
}
static int
library_tab_compare (char **a, char **b)
{
char *item_a = *a; char type_a = *item_a++;
char *item_b = *b; char type_b = *item_b++;
char *path_a = strchr (item_a, '\0') + 1;
char *path_b = strchr (item_b, '\0') + 1;
if (type_a != type_b)
return type_a - type_b;
// TODO: this should be case insensitive
return u8_strcmp ((uint8_t *) path_a, (uint8_t *) path_b);
}
static void
library_tab_on_data (const struct mpd_response *response,
const struct str_vector *data, void *user_data)
{
(void) user_data;
if (!response->success)
return;
str_vector_reset (&g_library_tab.items);
if (g_library_tab.path.len)
{
library_tab_add (LIBRARY_ROOT, "", "");
library_tab_add (LIBRARY_UP, "", "");
}
struct str_map map;
str_map_init (&map);
map.key_xfrm = tolower_ascii_strxfrm;
char *key, *value;
for (size_t i = 0; i < data->len; i++)
{
if (!(key = mpd_client_parse_kv (data->vector[i], &value)))
{
print_debug ("%s: %s", "erroneous MPD output", data->vector[i]);
continue;
}
if (!strcasecmp_ascii (key, "file")
|| !strcasecmp_ascii (key, "directory"))
{
library_tab_chunk (&map);
str_map_clear (&map);
}
str_map_set (&map, key, value);
}
library_tab_chunk (&map);
str_map_free (&map);
struct str_vector *items = &g_library_tab.items;
qsort (items->vector, items->len, sizeof *items->vector,
(int (*) (const void *, const void *)) library_tab_compare);
// TODO: we ought to remember the previous level's selection and item_top
g_library_tab.super.item_count = g_library_tab.items.len;
app_fix_view_range ();
app_move_selection (0);
app_invalidate ();
}
static const char *
library_tab_path (void)
{
struct str *path = &g_library_tab.path;
return path->len ? path->str : "/";
}
static void
library_tab_reload (const char *new_path)
{
// TODO: actually we should update the path _after_ we receive data
if (new_path)
{
struct str *path = &g_library_tab.path;
str_reset (path);
str_append (path, new_path);
}
struct mpd_client *c = &g_ctx.client;
mpd_client_send_command (c, "lsinfo", library_tab_path (), NULL);
mpd_client_add_task (c, library_tab_on_data, NULL);
mpd_client_idle (c, 0);
}
static bool
library_tab_on_action (enum user_action action)
{
struct tab *self = g_ctx.active_tab;
if (self->item_selected < 0)
return false;
struct mpd_client *c = &g_ctx.client;
if (c->state != MPD_CONNECTED)
return false;
char *item = g_library_tab.items.vector[self->item_selected];
char type = *item++;
const char *item_path = strchr (item, '\0') + 1;
switch (action)
{
case USER_ACTION_CHOOSE:
switch (type)
{
case LIBRARY_ROOT: library_tab_reload (""); break;
case LIBRARY_UP:
{
struct str *path = &g_library_tab.path;
char *last_slash = strrchr (path->str, '/');
if (last_slash)
{
char *new_path = xstrndup (path->str, last_slash - path->str);
library_tab_reload (new_path);
free (new_path);
}
else
library_tab_reload ("");
break;
}
case LIBRARY_DIR: library_tab_reload (item_path); break;
case LIBRARY_FILE: MPD_SIMPLE ("add", item_path) break;
default: hard_assert (!"invalid item type");
}
return true;
case USER_ACTION_MPD_REPLACE:
// FIXME: we also need to play it if we've been playing things already
if (type == LIBRARY_DIR || type == LIBRARY_FILE)
{
MPD_SIMPLE ("clear");
MPD_SIMPLE ("add", item_path)
return true;
}
return false;
case USER_ACTION_MPD_ADD:
if (type == LIBRARY_DIR || type == LIBRARY_FILE)
{
MPD_SIMPLE ("add", item_path)
return true;
}
break;
default:
break;
}
return false;
}
static struct tab *
library_tab_init (void)
{
str_init (&g_library_tab.path);
str_vector_init (&g_library_tab.items);
struct tab *super = &g_library_tab.super;
tab_init (super, "Library");
super->on_action = library_tab_on_action;
super->on_item_draw = library_tab_on_item_draw;
return super;
}
// --- Streams -----------------------------------------------------------------
// MPD can only parse m3u8 playlists, and only when it feels like doing so
@ -2615,6 +2851,9 @@ mpd_on_events (unsigned subsystems, void *user_data)
(void) user_data;
struct mpd_client *c = &g_ctx.client;
if (subsystems & MPD_SUBSYSTEM_DATABASE)
library_tab_reload (NULL);
if (subsystems & (MPD_SUBSYSTEM_PLAYER
| MPD_SUBSYSTEM_PLAYLIST | MPD_SUBSYSTEM_MIXER))
mpd_request_info ();
@ -2639,7 +2878,10 @@ mpd_on_password_response (const struct mpd_response *response,
struct mpd_client *c = &g_ctx.client;
if (response->success)
{
mpd_request_info ();
library_tab_reload (NULL);
}
else
{
print_error ("%s: %s",
@ -2662,7 +2904,10 @@ mpd_on_connected (void *user_data)
mpd_client_add_task (c, mpd_on_password_response, NULL);
}
else
{
mpd_request_info ();
library_tab_reload (NULL);
}
}
static void
@ -2985,6 +3230,7 @@ main (int argc, char *argv[])
app_prepend_tab (info_tab_init ());
if (g_ctx.streams.len)
app_prepend_tab (streams_tab_init ());
app_prepend_tab (library_tab_init ());
app_prepend_tab (current_tab_init ());
app_switch_tab ((g_ctx.help_tab = help_tab_init ()));