Hack together a Library tab
This needs serious clean up. Even though it's not the first iteration.
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B715679E3A361BE6
246
nncmpp.c
246
nncmpp.c
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@ -2008,6 +2008,242 @@ current_tab_init (void)
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return super;
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}
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// --- Library tab -------------------------------------------------------------
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enum
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{
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// This list is also ordered by ASCII and important for sorting
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LIBRARY_ROOT = '/', ///< Root entry
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LIBRARY_UP = '^', ///< Upper directory
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LIBRARY_DIR = 'd', ///< Directory
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LIBRARY_FILE = 'f' ///< File
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};
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static struct
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{
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struct tab super; ///< Parent class
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struct str path; ///< Current path
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struct str_vector items; ///< Current items (type, name, path)
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}
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g_library_tab;
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static void
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library_tab_on_item_draw (size_t item_index, struct row_buffer *buffer,
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int width)
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{
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(void) width;
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hard_assert (item_index < g_library_tab.items.len);
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const char *item = g_library_tab.items.vector[item_index];
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char type = *item++;
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switch (type)
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{
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case LIBRARY_ROOT: row_buffer_append (buffer, "/", 0); break;
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case LIBRARY_UP: row_buffer_append (buffer, "/..", 0); break;
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case LIBRARY_DIR: row_buffer_addv (buffer, "/", 0, item, 0, NULL); break;
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case LIBRARY_FILE: row_buffer_addv (buffer, " ", 0, item, 0, NULL); break;
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default: hard_assert (!"invalid item type");
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}
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}
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static void
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library_tab_add (int type, const char *name, const char *path)
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{
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str_vector_add_owned (&g_library_tab.items,
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xstrdup_printf ("%c%s%c%s", type, name, 0, path));
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}
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static void
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library_tab_chunk (struct str_map *map)
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{
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if (!map->len)
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return;
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const char *artist = str_map_find (map, "artist");
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const char *title = str_map_find (map, "title");
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char *name = (artist && title)
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? xstrdup_printf ("%s - %s", artist, title)
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: NULL;
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char *id, type;
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if ((id = str_map_find (map, "directory")))
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type = LIBRARY_DIR;
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else if ((id = str_map_find (map, "file")))
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type = LIBRARY_FILE;
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const char *last_slash = strrchr (id, '/');
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const char *base = last_slash ? last_slash + 1 : id;
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library_tab_add (type, name ? name : base, id);
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free (name);
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}
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static int
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library_tab_compare (char **a, char **b)
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{
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char *item_a = *a; char type_a = *item_a++;
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char *item_b = *b; char type_b = *item_b++;
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char *path_a = strchr (item_a, '\0') + 1;
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char *path_b = strchr (item_b, '\0') + 1;
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if (type_a != type_b)
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return type_a - type_b;
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// TODO: this should be case insensitive
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return u8_strcmp ((uint8_t *) path_a, (uint8_t *) path_b);
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}
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static void
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library_tab_on_data (const struct mpd_response *response,
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const struct str_vector *data, void *user_data)
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{
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(void) user_data;
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if (!response->success)
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return;
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str_vector_reset (&g_library_tab.items);
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if (g_library_tab.path.len)
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{
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library_tab_add (LIBRARY_ROOT, "", "");
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library_tab_add (LIBRARY_UP, "", "");
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}
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struct str_map map;
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str_map_init (&map);
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map.key_xfrm = tolower_ascii_strxfrm;
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char *key, *value;
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for (size_t i = 0; i < data->len; i++)
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{
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if (!(key = mpd_client_parse_kv (data->vector[i], &value)))
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{
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print_debug ("%s: %s", "erroneous MPD output", data->vector[i]);
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continue;
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}
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if (!strcasecmp_ascii (key, "file")
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|| !strcasecmp_ascii (key, "directory"))
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{
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library_tab_chunk (&map);
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str_map_clear (&map);
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}
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str_map_set (&map, key, value);
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}
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library_tab_chunk (&map);
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str_map_free (&map);
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struct str_vector *items = &g_library_tab.items;
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qsort (items->vector, items->len, sizeof *items->vector,
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(int (*) (const void *, const void *)) library_tab_compare);
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// TODO: we ought to remember the previous level's selection and item_top
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g_library_tab.super.item_count = g_library_tab.items.len;
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app_fix_view_range ();
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app_move_selection (0);
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app_invalidate ();
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}
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static const char *
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library_tab_path (void)
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{
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struct str *path = &g_library_tab.path;
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return path->len ? path->str : "/";
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}
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static void
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library_tab_reload (const char *new_path)
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{
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// TODO: actually we should update the path _after_ we receive data
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if (new_path)
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{
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struct str *path = &g_library_tab.path;
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str_reset (path);
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str_append (path, new_path);
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}
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struct mpd_client *c = &g_ctx.client;
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mpd_client_send_command (c, "lsinfo", library_tab_path (), NULL);
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mpd_client_add_task (c, library_tab_on_data, NULL);
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mpd_client_idle (c, 0);
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}
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static bool
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library_tab_on_action (enum user_action action)
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{
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struct tab *self = g_ctx.active_tab;
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if (self->item_selected < 0)
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return false;
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struct mpd_client *c = &g_ctx.client;
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if (c->state != MPD_CONNECTED)
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return false;
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char *item = g_library_tab.items.vector[self->item_selected];
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char type = *item++;
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const char *item_path = strchr (item, '\0') + 1;
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switch (action)
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{
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case USER_ACTION_CHOOSE:
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switch (type)
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{
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case LIBRARY_ROOT: library_tab_reload (""); break;
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case LIBRARY_UP:
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{
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struct str *path = &g_library_tab.path;
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char *last_slash = strrchr (path->str, '/');
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if (last_slash)
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{
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char *new_path = xstrndup (path->str, last_slash - path->str);
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library_tab_reload (new_path);
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free (new_path);
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}
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else
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library_tab_reload ("");
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break;
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}
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case LIBRARY_DIR: library_tab_reload (item_path); break;
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case LIBRARY_FILE: MPD_SIMPLE ("add", item_path) break;
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default: hard_assert (!"invalid item type");
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}
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return true;
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case USER_ACTION_MPD_REPLACE:
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// FIXME: we also need to play it if we've been playing things already
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if (type == LIBRARY_DIR || type == LIBRARY_FILE)
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{
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MPD_SIMPLE ("clear");
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MPD_SIMPLE ("add", item_path)
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return true;
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}
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return false;
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case USER_ACTION_MPD_ADD:
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if (type == LIBRARY_DIR || type == LIBRARY_FILE)
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{
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MPD_SIMPLE ("add", item_path)
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return true;
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}
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break;
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default:
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break;
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}
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return false;
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}
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static struct tab *
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library_tab_init (void)
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{
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str_init (&g_library_tab.path);
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str_vector_init (&g_library_tab.items);
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struct tab *super = &g_library_tab.super;
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tab_init (super, "Library");
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super->on_action = library_tab_on_action;
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super->on_item_draw = library_tab_on_item_draw;
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return super;
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}
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// --- Streams -----------------------------------------------------------------
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// MPD can only parse m3u8 playlists, and only when it feels like doing so
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@ -2615,6 +2851,9 @@ mpd_on_events (unsigned subsystems, void *user_data)
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(void) user_data;
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struct mpd_client *c = &g_ctx.client;
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if (subsystems & MPD_SUBSYSTEM_DATABASE)
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library_tab_reload (NULL);
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if (subsystems & (MPD_SUBSYSTEM_PLAYER
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| MPD_SUBSYSTEM_PLAYLIST | MPD_SUBSYSTEM_MIXER))
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mpd_request_info ();
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@ -2639,7 +2878,10 @@ mpd_on_password_response (const struct mpd_response *response,
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struct mpd_client *c = &g_ctx.client;
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if (response->success)
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{
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mpd_request_info ();
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library_tab_reload (NULL);
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}
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else
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{
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print_error ("%s: %s",
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@ -2662,7 +2904,10 @@ mpd_on_connected (void *user_data)
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mpd_client_add_task (c, mpd_on_password_response, NULL);
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}
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else
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{
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mpd_request_info ();
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library_tab_reload (NULL);
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}
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}
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static void
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@ -2985,6 +3230,7 @@ main (int argc, char *argv[])
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app_prepend_tab (info_tab_init ());
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if (g_ctx.streams.len)
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app_prepend_tab (streams_tab_init ());
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app_prepend_tab (library_tab_init ());
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app_prepend_tab (current_tab_init ());
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app_switch_tab ((g_ctx.help_tab = help_tab_init ()));
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