395 lines
12 KiB
C++
395 lines
12 KiB
C++
#include "modules/mpris/mpris.hpp"
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#include <fmt/core.h>
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#include <optional>
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#include <sstream>
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#include <string>
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extern "C" {
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#include <playerctl/playerctl.h>
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}
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#include <spdlog/spdlog.h>
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namespace waybar::modules::mpris {
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const std::string DEFAULT_FORMAT = "{player} ({status}): {dynamic}";
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Mpris::Mpris(const std::string& id, const Json::Value& config)
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: AModule(config, "mpris", id),
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box_(Gtk::ORIENTATION_HORIZONTAL, 0),
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label_(),
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format_(DEFAULT_FORMAT),
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interval_(0),
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player_("playerctld"),
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manager(),
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player() {
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box_.pack_start(label_);
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box_.set_name(name_);
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event_box_.add(box_);
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event_box_.signal_button_press_event().connect(sigc::mem_fun(*this, &Mpris::handleToggle));
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if (config_["format"].isString()) {
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format_ = config_["format"].asString();
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}
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if (config_["format-playing"].isString()) {
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format_playing_ = config_["format-playing"].asString();
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}
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if (config_["format-paused"].isString()) {
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format_paused_ = config_["format-paused"].asString();
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}
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if (config_["format-stopped"].isString()) {
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format_stopped_ = config_["format-stopped"].asString();
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}
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if (config_["interval"].isUInt()) {
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interval_ = std::chrono::seconds(config_["interval"].asUInt());
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}
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if (config_["player"].isString()) {
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player_ = config_["player"].asString();
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}
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if (config_["ignored-players"].isArray()) {
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for (auto it = config_["ignored-players"].begin(); it != config_["ignored-players"].end();
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++it) {
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ignored_players_.push_back(it->asString());
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}
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}
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GError* error = nullptr;
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manager = playerctl_player_manager_new(&error);
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if (error) {
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throw std::runtime_error(fmt::format("unable to create MPRIS client: {}", error->message));
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}
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g_object_connect(manager, "signal::name-appeared", G_CALLBACK(onPlayerNameAppeared), this, NULL);
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g_object_connect(manager, "signal::name-vanished", G_CALLBACK(onPlayerNameVanished), this, NULL);
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if (player_ == "playerctld") {
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// use playerctld proxy
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PlayerctlPlayerName name = {
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.instance = (gchar*)player_.c_str(),
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.source = PLAYERCTL_SOURCE_DBUS_SESSION,
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};
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player = playerctl_player_new_from_name(&name, &error);
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} else {
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GList* players = playerctl_list_players(&error);
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if (error) {
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auto e = fmt::format("unable to list players: {}", error->message);
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g_error_free(error);
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throw std::runtime_error(e);
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}
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for (auto p = players; p != NULL; p = p->next) {
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auto pn = static_cast<PlayerctlPlayerName*>(p->data);
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if (strcmp(pn->name, player_.c_str()) == 0) {
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player = playerctl_player_new_from_name(pn, &error);
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break;
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}
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}
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}
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if (error) {
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throw std::runtime_error(
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fmt::format("unable to connect to player {}: {}", player_, error->message));
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}
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if (player) {
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g_object_connect(player, "signal::play", G_CALLBACK(onPlayerPlay), this, "signal::pause",
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G_CALLBACK(onPlayerPause), this, "signal::stop", G_CALLBACK(onPlayerStop),
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this, "signal::stop", G_CALLBACK(onPlayerStop), this, "signal::metadata",
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G_CALLBACK(onPlayerMetadata), this, NULL);
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}
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// allow setting an interval count that triggers periodic refreshes
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if (interval_.count() > 0) {
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thread_ = [this] {
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dp.emit();
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thread_.sleep_for(interval_);
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};
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}
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// trigger initial update
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dp.emit();
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}
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Mpris::~Mpris() {
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if (manager != NULL) g_object_unref(manager);
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if (player != NULL) g_object_unref(player);
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}
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auto Mpris::getIcon(const Json::Value& icons, const std::string& key) -> std::string {
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if (icons.isObject()) {
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if (icons[key].isString()) {
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return icons[key].asString();
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} else if (icons["default"].isString()) {
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return icons["default"].asString();
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}
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}
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return "";
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}
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auto Mpris::onPlayerNameAppeared(PlayerctlPlayerManager* manager, PlayerctlPlayerName* player_name,
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gpointer data) -> void {
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Mpris* mpris = static_cast<Mpris*>(data);
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if (!mpris) return;
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spdlog::debug("mpris: name-appeared callback: {}", player_name->name);
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if (std::string(player_name->name) != mpris->player_) {
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return;
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}
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GError* error = nullptr;
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mpris->player = playerctl_player_new_from_name(player_name, &error);
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g_object_connect(mpris->player, "signal::play", G_CALLBACK(onPlayerPlay), mpris, "signal::pause",
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G_CALLBACK(onPlayerPause), mpris, "signal::stop", G_CALLBACK(onPlayerStop),
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mpris, "signal::stop", G_CALLBACK(onPlayerStop), mpris, "signal::metadata",
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G_CALLBACK(onPlayerMetadata), mpris, NULL);
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mpris->dp.emit();
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}
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auto Mpris::onPlayerNameVanished(PlayerctlPlayerManager* manager, PlayerctlPlayerName* player_name,
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gpointer data) -> void {
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Mpris* mpris = static_cast<Mpris*>(data);
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if (!mpris) return;
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spdlog::debug("mpris: player-vanished callback: {}", player_name->name);
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if (std::string(player_name->name) == mpris->player_) {
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mpris->player = nullptr;
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mpris->dp.emit();
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}
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}
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auto Mpris::onPlayerPlay(PlayerctlPlayer* player, gpointer data) -> void {
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Mpris* mpris = static_cast<Mpris*>(data);
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if (!mpris) return;
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spdlog::debug("mpris: player-play callback");
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// update widget
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mpris->dp.emit();
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}
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auto Mpris::onPlayerPause(PlayerctlPlayer* player, gpointer data) -> void {
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Mpris* mpris = static_cast<Mpris*>(data);
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if (!mpris) return;
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spdlog::debug("mpris: player-pause callback");
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// update widget
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mpris->dp.emit();
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}
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auto Mpris::onPlayerStop(PlayerctlPlayer* player, gpointer data) -> void {
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Mpris* mpris = static_cast<Mpris*>(data);
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if (!mpris) return;
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spdlog::debug("mpris: player-stop callback");
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// hide widget
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mpris->event_box_.set_visible(false);
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// update widget
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mpris->dp.emit();
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}
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auto Mpris::onPlayerMetadata(PlayerctlPlayer* player, GVariant* metadata, gpointer data) -> void {
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Mpris* mpris = static_cast<Mpris*>(data);
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if (!mpris) return;
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spdlog::debug("mpris: player-metadata callback");
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// update widget
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mpris->dp.emit();
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}
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auto Mpris::getPlayerInfo() -> std::optional<PlayerInfo> {
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if (!player) {
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return std::nullopt;
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}
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GError* error = nullptr;
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char* player_status = nullptr;
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auto player_playback_status = PLAYERCTL_PLAYBACK_STATUS_STOPPED;
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g_object_get(player, "status", &player_status, "playback-status", &player_playback_status, NULL);
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std::string player_name = player_;
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if (player_name == "playerctld") {
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GList* players = playerctl_list_players(&error);
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if (error) {
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auto e = fmt::format("unable to list players: {}", error->message);
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g_error_free(error);
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throw std::runtime_error(e);
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}
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// > get the list of players [..] in order of activity
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// https://github.com/altdesktop/playerctl/blob/b19a71cb9dba635df68d271bd2b3f6a99336a223/playerctl/playerctl-common.c#L248-L249
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players = g_list_first(players);
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if (players) player_name = static_cast<PlayerctlPlayerName*>(players->data)->name;
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}
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if (std::any_of(ignored_players_.begin(), ignored_players_.end(),
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[&](const std::string& pn) { return player_name == pn; })) {
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spdlog::warn("mpris[{}]: ignoring player update", player_name);
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return std::nullopt;
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}
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// make status lowercase
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player_status[0] = std::tolower(player_status[0]);
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PlayerInfo info = {
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.name = player_name,
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.status = player_playback_status,
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.status_string = player_status,
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};
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if (auto artist_ = playerctl_player_get_artist(player, &error)) {
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spdlog::debug("mpris[{}]: artist = {}", info.name, artist_);
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info.artist = Glib::Markup::escape_text(artist_);
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g_free(artist_);
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}
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if (error) goto errorexit;
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if (auto album_ = playerctl_player_get_album(player, &error)) {
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spdlog::debug("mpris[{}]: album = {}", info.name, album_);
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info.album = Glib::Markup::escape_text(album_);
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g_free(album_);
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}
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if (error) goto errorexit;
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if (auto title_ = playerctl_player_get_title(player, &error)) {
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spdlog::debug("mpris[{}]: title = {}", info.name, title_);
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info.title = Glib::Markup::escape_text(title_);
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g_free(title_);
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}
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if (error) goto errorexit;
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if (auto length_ = playerctl_player_print_metadata_prop(player, "mpris:length", &error)) {
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spdlog::debug("mpris[{}]: mpris:length = {}", info.name, length_);
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std::chrono::microseconds len = std::chrono::microseconds(std::strtol(length_, nullptr, 10));
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auto len_h = std::chrono::duration_cast<std::chrono::hours>(len);
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auto len_m = std::chrono::duration_cast<std::chrono::minutes>(len - len_h);
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auto len_s = std::chrono::duration_cast<std::chrono::seconds>(len - len_m);
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info.length = fmt::format("{:02}:{:02}:{:02}", len_h.count(), len_m.count(), len_s.count());
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g_free(length_);
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}
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if (error) goto errorexit;
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return info;
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errorexit:
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spdlog::error("mpris[{}]: {}", info.name, error->message);
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g_error_free(error);
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return std::nullopt;
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}
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bool Mpris::handleToggle(GdkEventButton* const& e) {
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GError* error = nullptr;
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auto info = getPlayerInfo();
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if (!info) return false;
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if (e->type == GdkEventType::GDK_BUTTON_PRESS) {
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switch (e->button) {
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case 1: // left-click
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if (config_["on-click"].isString()) {
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return AModule::handleToggle(e);
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}
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playerctl_player_play_pause(player, &error);
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break;
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case 2: // middle-click
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if (config_["on-middle-click"].isString()) {
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return AModule::handleToggle(e);
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}
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playerctl_player_previous(player, &error);
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break;
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case 3: // right-click
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if (config_["on-right-click"].isString()) {
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return AModule::handleToggle(e);
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}
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playerctl_player_next(player, &error);
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break;
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}
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}
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if (error) {
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spdlog::error("mpris[{}]: error running builtin on-click action: {}", (*info).name,
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error->message);
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g_error_free(error);
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return false;
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}
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return true;
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}
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auto Mpris::update() -> void {
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auto opt = getPlayerInfo();
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if (!opt) {
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event_box_.set_visible(false);
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AModule::update();
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return;
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}
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auto info = *opt;
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if (info.status == PLAYERCTL_PLAYBACK_STATUS_STOPPED) {
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spdlog::debug("mpris[{}]: player stopped, skipping update", info.name);
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return;
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}
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spdlog::debug("mpris[{}]: running update", info.name);
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// dynamic is the auto-formatted string containing a nice out-of-the-box
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// format text
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std::stringstream dynamic;
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if (info.artist) dynamic << *info.artist << " - ";
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if (info.album) dynamic << *info.album << " - ";
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if (info.title) dynamic << *info.title;
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if (info.length)
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dynamic << " "
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<< "<small>"
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<< "[" << *info.length << "]"
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<< "</small>";
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// set css class for player status
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if (!lastStatus.empty() && box_.get_style_context()->has_class(lastStatus)) {
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box_.get_style_context()->remove_class(lastStatus);
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}
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if (!box_.get_style_context()->has_class(info.status_string)) {
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box_.get_style_context()->add_class(info.status_string);
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}
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lastStatus = info.status_string;
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// set css class for player name
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if (!lastPlayer.empty() && box_.get_style_context()->has_class(lastPlayer)) {
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box_.get_style_context()->remove_class(lastPlayer);
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}
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if (!box_.get_style_context()->has_class(info.name)) {
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box_.get_style_context()->add_class(info.name);
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}
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lastPlayer = info.name;
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auto formatstr = format_;
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switch (info.status) {
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case PLAYERCTL_PLAYBACK_STATUS_PLAYING:
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if (!format_playing_.empty()) formatstr = format_playing_;
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break;
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case PLAYERCTL_PLAYBACK_STATUS_PAUSED:
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if (!format_paused_.empty()) formatstr = format_paused_;
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break;
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case PLAYERCTL_PLAYBACK_STATUS_STOPPED:
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if (!format_stopped_.empty()) formatstr = format_stopped_;
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break;
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}
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auto label_format =
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fmt::format(formatstr, fmt::arg("player", info.name), fmt::arg("status", info.status_string),
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fmt::arg("artist", *info.artist), fmt::arg("title", *info.title),
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fmt::arg("album", *info.album), fmt::arg("length", *info.length),
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fmt::arg("dynamic", dynamic.str()),
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fmt::arg("player_icon", getIcon(config_["player-icons"], info.name)),
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fmt::arg("status_icon", getIcon(config_["status-icons"], info.status_string)));
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label_.set_markup(label_format);
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event_box_.set_visible(true);
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// call parent update
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AModule::update();
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}
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} // namespace waybar::modules::mpris
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