diff --git a/README.md b/README.md
index 717c80c..e4464a2 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@
- Memory
- Cpu load average
- Temperature
+- MPD
- Custom scripts
- Multiple output configuration
- And much more customizations
@@ -49,6 +50,7 @@ libpulse [Pulseaudio module]
libnl [Network module]
sway [Sway modules]
libdbusmenu-gtk3 [Tray module]
+libmpdclient [MPD module]
```
Contributions welcome! - have fun :)
diff --git a/include/factory.hpp b/include/factory.hpp
index f896d05..2f55046 100644
--- a/include/factory.hpp
+++ b/include/factory.hpp
@@ -23,6 +23,9 @@
#ifdef HAVE_LIBPULSE
#include "modules/pulseaudio.hpp"
#endif
+#ifdef HAVE_LIBMPDCLIENT
+#include "modules/mpd.hpp"
+#endif
#include "modules/temperature.hpp"
#include "modules/custom.hpp"
diff --git a/include/modules/mpd.hpp b/include/modules/mpd.hpp
new file mode 100644
index 0000000..8623c41
--- /dev/null
+++ b/include/modules/mpd.hpp
@@ -0,0 +1,39 @@
+#pragma once
+
+#include
+#include
+#include
+#include "ALabel.hpp"
+
+namespace waybar::modules {
+
+class MPD : public ALabel {
+ public:
+ MPD(const std::string&, const Json::Value&);
+ auto update() -> void;
+ private:
+ std::thread worker();
+ void setLabel();
+ void tryConnect();
+ void checkErrors();
+ void fetchState();
+ void waitForEvent();
+
+ std::thread worker_;
+
+ using unique_connection = std::unique_ptr;
+ using unique_status = std::unique_ptr;
+ using unique_song = std::unique_ptr;
+
+ // Not using unique_ptr since we don't manage the pointer
+ // (It's either nullptr, or from the config)
+ const char* server;
+
+ unique_connection connection_;
+ unique_status status_;
+ unique_song song_;
+
+ bool stopped_;
+};
+
+} // namespace waybar::modules
diff --git a/meson.build b/meson.build
index 9438518..2898e4e 100644
--- a/meson.build
+++ b/meson.build
@@ -56,6 +56,7 @@ libnl = dependency('libnl-3.0', required: get_option('libnl'))
libnlgen = dependency('libnl-genl-3.0', required: get_option('libnl'))
libpulse = dependency('libpulse', required: get_option('pulseaudio'))
libudev = dependency('libudev', required: get_option('libudev'))
+libmpdclient = dependency('libmpdclient', required: get_option('mpd'))
src_files = files(
'src/factory.cpp',
@@ -107,6 +108,11 @@ if libudev.found()
src_files += 'src/modules/backlight.cpp'
endif
+if libmpdclient.found()
+ add_project_arguments('-DHAVE_LIBMPDCLIENT', language: 'cpp')
+ src_files += 'src/modules/mpd.cpp'
+endif
+
subdir('protocol')
executable(
@@ -128,7 +134,8 @@ executable(
libnl,
libnlgen,
libpulse,
- libudev
+ libudev,
+ libmpdclient
],
include_directories: [include_directories('include')],
install: true,
diff --git a/meson_options.txt b/meson_options.txt
index 4c2f03a..f49d9c1 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -2,4 +2,5 @@ option('libnl', type: 'feature', value: 'auto', description: 'Enable libnl suppo
option('libudev', type: 'feature', value: 'auto', description: 'Enable libudev support for udev related features')
option('pulseaudio', type: 'feature', value: 'auto', description: 'Enable support for pulseaudio')
option('dbusmenu-gtk', type: 'feature', value: 'auto', description: 'Enable support for tray')
+option('mpd', type: 'feature', value: 'auto', description: 'Enable support for the Music Player Daemon')
option('out', type: 'string', value : '/', description: 'output prefix directory')
diff --git a/resources/style.css b/resources/style.css
index 2a6f9be..8de2cdc 100644
--- a/resources/style.css
+++ b/resources/style.css
@@ -138,3 +138,16 @@ window#waybar.hidded {
background-color: #ecf0f1;
color: #2d3436;
}
+
+#mpd {
+ background-color: #ba2880;
+}
+
+#mpd.disconnected {
+ background: #f53c3c;
+}
+
+#mpd.stopped {
+ background: #90b1b1;
+ color: #2a5c45;
+}
diff --git a/src/factory.cpp b/src/factory.cpp
index 11e3db2..067ecac 100644
--- a/src/factory.cpp
+++ b/src/factory.cpp
@@ -56,6 +56,11 @@ waybar::IModule* waybar::Factory::makeModule(const std::string &name) const
return new waybar::modules::Pulseaudio(id, config_[name]);
}
#endif
+ #ifdef HAVE_LIBMPDCLIENT
+ if (ref == "mpd") {
+ return new waybar::modules::MPD(id, config_[name]);
+ }
+ #endif
if (ref == "temperature") {
return new waybar::modules::Temperature(id, config_[name]);
}
diff --git a/src/modules/mpd.cpp b/src/modules/mpd.cpp
new file mode 100644
index 0000000..8502080
--- /dev/null
+++ b/src/modules/mpd.cpp
@@ -0,0 +1,164 @@
+#include "modules/mpd.hpp"
+
+#include
+
+waybar::modules::MPD::MPD(const std::string& id, const Json::Value &config)
+ : ALabel(config, "{album} - {artist} - {title}", 2),
+ server(nullptr),
+ connection_(nullptr, &mpd_connection_free),
+ status_(nullptr, &mpd_status_free),
+ song_(nullptr, &mpd_song_free) {
+ label_.set_name("mpd");
+ if (!id.empty()) {
+ label_.get_style_context()->add_class(id);
+ }
+
+ if (!config["server"].isNull()) {
+ server = config["server"].asCString();
+ }
+
+ worker_ = worker();
+}
+
+auto waybar::modules::MPD::update() -> void {
+ tryConnect();
+
+ if (connection_ != nullptr) {
+ try {
+ fetchState();
+ } catch (std::exception e) {
+ stopped_ = true;
+ }
+ }
+
+ setLabel();
+}
+
+std::thread waybar::modules::MPD::worker() {
+ return std::thread([this] () {
+ while (true) {
+ if (connection_ == nullptr) {
+ // Retry periodically if no connection
+ update();
+ std::this_thread::sleep_for(std::chrono::seconds(2));
+ } else {
+ // Else, update on any event
+ waitForEvent();
+ update();
+ }
+ }
+ });
+}
+
+void waybar::modules::MPD::setLabel() {
+ if (connection_ == nullptr) {
+ label_.get_style_context()->add_class("disconnected");
+ // In the case connection closed while MPD is stopped
+ label_.get_style_context()->remove_class("stopped");
+
+ auto format = config_["format-disconnected"].isString() ?
+ config_["format-disconnected"].asString() : "disconnected";
+ label_.set_markup(format);
+ return;
+ } else {
+ label_.get_style_context()->remove_class("disconnected");
+ }
+
+ auto format = format_;
+
+ std::string artist, album_artist, album, title, date;
+
+ if (stopped_) {
+ format = config_["format-stopped"].isString() ?
+ config_["format-stopped"].asString() : "stopped";
+ label_.get_style_context()->add_class("stopped");
+ } else {
+ label_.get_style_context()->remove_class("stopped");
+
+ artist = mpd_song_get_tag(song_.get(), MPD_TAG_ARTIST, 0);
+ album_artist = mpd_song_get_tag(song_.get(), MPD_TAG_ALBUM_ARTIST, 0);
+ album = mpd_song_get_tag(song_.get(), MPD_TAG_ALBUM, 0);
+ title = mpd_song_get_tag(song_.get(), MPD_TAG_TITLE, 0);
+ date = mpd_song_get_tag(song_.get(), MPD_TAG_DATE, 0);
+ }
+
+ label_.set_markup(fmt::format(format,
+ fmt::arg("artist", artist),
+ fmt::arg("album-artist", album_artist),
+ fmt::arg("album", album),
+ fmt::arg("title", title),
+ fmt::arg("date", date)));
+
+ if (tooltipEnabled()) {
+ std::string tooltip_format;
+ tooltip_format = config_["tooltip-format"].isString() ?
+ config_["tooltip-format"].asString() : "MPD";
+ auto tooltip_text = fmt::format(tooltip_format,
+ fmt::arg("artist", artist),
+ fmt::arg("album-artist", album_artist),
+ fmt::arg("album", album),
+ fmt::arg("title", title),
+ fmt::arg("date", date));
+ label_.set_tooltip_text(tooltip_text);
+ }
+}
+
+void waybar::modules::MPD::tryConnect() {
+ if (connection_ != nullptr) {
+ return;
+ }
+
+ connection_ = unique_connection(
+ mpd_connection_new(server, config_["port"].asUInt(), 5'000),
+ &mpd_connection_free);
+
+ if (connection_ == nullptr) {
+ std::cerr << "Failed to connect to MPD" << std::endl;
+ return;
+ }
+
+ try {
+ checkErrors();
+ } catch (std::runtime_error e) {
+ std::cerr << "Failed to connect to MPD: " << e.what() << std::endl;
+ connection_.reset();
+ }
+
+}
+
+void waybar::modules::MPD::checkErrors() {
+ auto conn = connection_.get();
+
+ switch (mpd_connection_get_error(conn)) {
+ case MPD_ERROR_SUCCESS:
+ return;
+ case MPD_ERROR_CLOSED:
+ std::cerr << "Connection to MPD closed" << std::endl;
+ mpd_connection_clear_error(conn);
+ connection_.reset();
+ return;
+ default:
+ auto error_message = mpd_connection_get_error_message(conn);
+ mpd_connection_clear_error(conn);
+ throw std::runtime_error(std::string(error_message));
+ }
+}
+
+void waybar::modules::MPD::fetchState() {
+ status_ = unique_status(mpd_run_status(connection_.get()), &mpd_status_free);
+ checkErrors();
+ mpd_state state = mpd_status_get_state(status_.get());
+ checkErrors();
+ stopped_ = state == MPD_STATE_UNKNOWN || state == MPD_STATE_STOP;
+
+ mpd_send_current_song(connection_.get());
+ song_ = unique_song(mpd_recv_song(connection_.get()), &mpd_song_free);
+ mpd_response_finish(connection_.get());
+ checkErrors();
+}
+
+void waybar::modules::MPD::waitForEvent() {
+ auto conn = connection_.get();
+ mpd_run_idle_mask(conn, MPD_IDLE_PLAYER /* | MPD_IDLE_OPTIONS */);
+ checkErrors();
+}