feat: added smart title param

src/modules/mpd/mpd.cpp

@@ -3,6 +3,8 @@
 #include <fmt/chrono.h>
 #include <glibmm/ustring.h>
 #include <spdlog/spdlog.h>
+#include <string>
+#include <regex>
 
 #include <system_error>
 #include <util/sanitize_str.hpp>
@@ -118,7 +120,7 @@ void waybar::modules::MPD::setLabel() {
 
   auto format = format_;
   Glib::ustring artist, album_artist, album, title;
-  std::string date, filename, uri;
+  std::string date, filename, uri, titleSmart;
   int song_pos = 0, queue_length = 0, volume = 0;
   std::chrono::seconds elapsedTime, totalTime;
 
@@ -152,6 +154,13 @@ void waybar::modules::MPD::setLabel() {
     date = sanitize_string(getTag(MPD_TAG_DATE));
     filename = sanitize_string(getFilename());
     uri = mpd_song_get_uri(song_.get());
+
+    if (title == "n/a" || artist == "n/a") {
+      titleSmart = std::regex_replace(filename, std::regex(R"((\s*$$.*?$$)|(\.(mp3|m4a|opus|ogx))$)"), "");
+    } else {
+      titleSmart = static_cast<std::string>(artist) + " - " + static_cast<std::string>(title);
+    }
+
     song_pos = mpd_status_get_song_pos(status_.get()) + 1;
     volume = mpd_status_get_volume(status_.get());
     if (volume < 0) {
@@ -175,6 +184,7 @@ void waybar::modules::MPD::setLabel() {
     album_artist = album_artist.substr(0, config_["album-artist-len"].asInt());
   if (config_["album-len"].isInt()) album = album.substr(0, config_["album-len"].asInt());
   if (config_["title-len"].isInt()) title = title.substr(0, config_["title-len"].asInt());
+  if (config_["title-len"].isInt()) titleSmart = titleSmart.substr(0, config_["title-len"].asInt());
 
   try {
     auto text = fmt::format(
@@ -185,7 +195,8 @@ void waybar::modules::MPD::setLabel() {
         fmt::arg("songPosition", song_pos), fmt::arg("queueLength", queue_length),
         fmt::arg("stateIcon", stateIcon), fmt::arg("consumeIcon", consumeIcon),
         fmt::arg("randomIcon", randomIcon), fmt::arg("repeatIcon", repeatIcon),
-        fmt::arg("singleIcon", singleIcon), fmt::arg("filename", filename), fmt::arg("uri", uri));
+        fmt::arg("singleIcon", singleIcon), fmt::arg("filename", filename), fmt::arg("uri", uri),
+        fmt::arg("titleSmart", titleSmart));
     if (text.empty()) {
       label_.hide();
     } else {