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Update selection on playlist changes

This commit is contained in:
Přemysl Eric Janouch 2018-10-29 13:18:13 +01:00
parent 6298235e22
commit 0691c533b4
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 54 additions and 1 deletions
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55
nncmpp.c
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@ -2280,6 +2280,8 @@ static void
current_tab_update (void)
{
g_current_tab.item_count = g.playlist.len;
g_current_tab.item_mark =
MIN ((int) g.playlist.len - 1, g_current_tab.item_mark);
app_invalidate ();
}
@ -3364,7 +3366,7 @@ mpd_update_playback_state (void)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
mpd_process_info (const struct strv *data)
mpd_process_info_data (const struct strv *data)
{
struct str_map *map = &g.playback_info;
@ -3398,6 +3400,57 @@ mpd_process_info (const struct strv *data)
str_map_free (&item);
}
/// Find a song by its id in the current playlist. Expensive, rarely called.
static ssize_t
mpd_find_pos_of_id (const char *desired_id)
{
compact_map_t map;
const char *id;
for (size_t i = 0; i < g.playlist.len; i++)
{
if ((map = item_list_get (&g.playlist, i))
&& (id = compact_map_find (map, "id"))
&& !strcmp (id, desired_id))
return i;
}
return -1;
}
static char *
mpd_id_of_pos (int pos)
{
compact_map_t map = item_list_get (&g.playlist, pos);
return map ? compact_map_find (map, "id") : NULL;
}
static void
mpd_process_info (const struct strv *data)
{
int *selected = &g_current_tab.item_selected;
int *marked = &g_current_tab.item_mark;
char *prev_sel_id = mpd_id_of_pos (*selected);
char *prev_mark_id = mpd_id_of_pos (*marked);
if (prev_sel_id) prev_sel_id = xstrdup (prev_sel_id);
if (prev_mark_id) prev_mark_id = xstrdup (prev_mark_id);
mpd_process_info_data (data);
const char *sel_id = mpd_id_of_pos (*selected);
const char *mark_id = mpd_id_of_pos (*marked);
if (prev_mark_id && (!mark_id || strcmp (prev_mark_id, mark_id)))
*marked = mpd_find_pos_of_id (prev_mark_id);
if (prev_sel_id && (!sel_id || strcmp (prev_sel_id, sel_id)))
{
if ((*selected = mpd_find_pos_of_id (prev_sel_id)) < 0)
*marked = -1;
app_move_selection (0);
}
free (prev_sel_id);
free (prev_mark_id);
}
static void
mpd_on_info_response (const struct mpd_response *response,
const struct strv *data, void *user_data)