From f64f11623b763f6da5591b5fd11e88223f647621 Mon Sep 17 00:00:00 2001
From: skidoo23 <skidoo@web.de>
Date: Tue, 6 Aug 2024 18:41:21 +0200
Subject: [PATCH] Support MPD 0.22 tag "label"

---
 NEWS               | 1 +
 src/Instance.cxx   | 3 +++
 src/SearchPage.cxx | 4 +++-
 src/SongPage.cxx   | 4 ++++
 src/strfsong.cxx   | 2 ++
 5 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 989ca9ab..3d9bb2ce 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,7 @@ ncmpc 0.50 - not yet released
 * build: require Meson 0.56
 * lyrics/musixmatch: add new lyrics extension
 * lyrics/google: fix partial loading of lyrics
+* support MPD 0.22 tag "label" (requires libmpdclient 2.17)
 
 ncmpc 0.49 - (2023-08-04)
 * fix UI freeze if lyrics plugin is stuck
diff --git a/src/Instance.cxx b/src/Instance.cxx
index 8c5ea0dc..534eb20c 100644
--- a/src/Instance.cxx
+++ b/src/Instance.cxx
@@ -26,6 +26,9 @@ static constexpr TagMask global_tag_whitelist{
 	MPD_TAG_TRACK,
 	MPD_TAG_DATE,
 	MPD_TAG_GENRE,
+#if LIBMPDCLIENT_CHECK_VERSION(2,17,0)
+	MPD_TAG_LABEL,
+#endif
 	MPD_TAG_COMMENT,
 };
 
diff --git a/src/SearchPage.cxx b/src/SearchPage.cxx
index 9ae8436b..c21534de 100644
--- a/src/SearchPage.cxx
+++ b/src/SearchPage.cxx
@@ -40,6 +40,7 @@ static constexpr struct {
 	{ MPD_TAG_DATE, "date", N_("date") },
 	{ MPD_TAG_COMPOSER, "composer", N_("composer") },
 	{ MPD_TAG_PERFORMER, "performer", N_("performer") },
+	{ MPD_TAG_LABEL, "label", N_("label") },
 	{ MPD_TAG_COMMENT, "comment", N_("comment") },
 	{ MPD_TAG_COUNT, nullptr, nullptr }
 };
@@ -88,7 +89,8 @@ static const char *const help_text[] = {
 	"		Example: modified:14d (units: s, M, h, d, m, y)",
 	"",
 	"		Available tags: artist, album, title, track,",
-	"		name, genre, date composer, performer, comment, file",
+	"		name, genre, date composer, performer, label,",
+	"		comment, file",
 	"",
 };
 
diff --git a/src/SongPage.cxx b/src/SongPage.cxx
index 6d166b13..8bcdbee7 100644
--- a/src/SongPage.cxx
+++ b/src/SongPage.cxx
@@ -63,6 +63,9 @@ static constexpr struct tag_label tag_labels[] = {
 	{ MPD_TAG_TRACK, N_("Track") },
 	{ MPD_TAG_DATE, N_("Date") },
 	{ MPD_TAG_GENRE, N_("Genre") },
+#if LIBMPDCLIENT_CHECK_VERSION(2,17,0)
+	{ MPD_TAG_LABEL, N_("Label") },
+#endif
 	{ MPD_TAG_COMMENT, N_("Comment") },
 	{ LABEL_PATH, N_("Path") },
 	{ LABEL_BITRATE, N_("Bitrate") },
@@ -342,6 +345,7 @@ SongPage::AddSong(const struct mpd_song *song) noexcept
 	AppendTag(song, MPD_TAG_TRACK);
 	AppendTag(song, MPD_TAG_DATE);
 	AppendTag(song, MPD_TAG_GENRE);
+	AppendTag(song, MPD_TAG_LABEL);
 	AppendTag(song, MPD_TAG_COMMENT);
 
 	AppendLine(get_tag_label(LABEL_PATH), mpd_song_get_uri(song),
diff --git a/src/strfsong.cxx b/src/strfsong.cxx
index 6ad05af5..a414124c 100644
--- a/src/strfsong.cxx
+++ b/src/strfsong.cxx
@@ -186,6 +186,8 @@ _strfsong(char *const s0, char *const end,
 			tag = MPD_TAG_WORK;
 		else if (strncmp("%grouping%", p, n) == 0)
 			tag = MPD_TAG_GROUPING;
+		else if (strncmp("%label%", p, n) == 0)
+			tag = MPD_TAG_LABEL;
 #endif
 		else if (strncmp("%title%", p, n) == 0)
 			tag = MPD_TAG_TITLE;