310 lines
11 KiB
C++
310 lines
11 KiB
C++
#include "modules/pulseaudio.hpp"
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waybar::modules::Pulseaudio::Pulseaudio(const std::string &id, const Json::Value &config)
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: ALabel(config, "pulseaudio", id, "{volume}%"),
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mainloop_(nullptr),
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mainloop_api_(nullptr),
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context_(nullptr),
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sink_idx_(0),
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volume_(0),
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muted_(false),
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source_idx_(0),
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source_volume_(0),
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source_muted_(false) {
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mainloop_ = pa_threaded_mainloop_new();
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if (mainloop_ == nullptr) {
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throw std::runtime_error("pa_mainloop_new() failed.");
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}
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pa_threaded_mainloop_lock(mainloop_);
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mainloop_api_ = pa_threaded_mainloop_get_api(mainloop_);
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context_ = pa_context_new(mainloop_api_, "waybar");
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if (context_ == nullptr) {
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throw std::runtime_error("pa_context_new() failed.");
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}
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if (pa_context_connect(context_, nullptr, PA_CONTEXT_NOFAIL, nullptr) < 0) {
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auto err =
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fmt::format("pa_context_connect() failed: {}", pa_strerror(pa_context_errno(context_)));
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throw std::runtime_error(err);
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}
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pa_context_set_state_callback(context_, contextStateCb, this);
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if (pa_threaded_mainloop_start(mainloop_) < 0) {
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throw std::runtime_error("pa_mainloop_run() failed.");
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}
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pa_threaded_mainloop_unlock(mainloop_);
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event_box_.add_events(Gdk::SCROLL_MASK | Gdk::SMOOTH_SCROLL_MASK);
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event_box_.signal_scroll_event().connect(sigc::mem_fun(*this, &Pulseaudio::handleScroll));
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}
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waybar::modules::Pulseaudio::~Pulseaudio() {
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mainloop_api_->quit(mainloop_api_, 0);
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pa_threaded_mainloop_stop(mainloop_);
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pa_threaded_mainloop_free(mainloop_);
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}
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void waybar::modules::Pulseaudio::contextStateCb(pa_context *c, void *data) {
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auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
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switch (pa_context_get_state(c)) {
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case PA_CONTEXT_TERMINATED:
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pa->mainloop_api_->quit(pa->mainloop_api_, 0);
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break;
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case PA_CONTEXT_READY:
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pa_context_get_server_info(c, serverInfoCb, data);
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pa_context_set_subscribe_callback(c, subscribeCb, data);
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pa_context_subscribe(
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c,
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static_cast<enum pa_subscription_mask>(static_cast<int>(PA_SUBSCRIPTION_MASK_SERVER) |
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static_cast<int>(PA_SUBSCRIPTION_MASK_SINK) |
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static_cast<int>(PA_SUBSCRIPTION_MASK_SINK_INPUT) |
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static_cast<int>(PA_SUBSCRIPTION_MASK_SOURCE) |
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static_cast<int>(PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT)),
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nullptr,
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nullptr);
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break;
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case PA_CONTEXT_FAILED:
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pa->mainloop_api_->quit(pa->mainloop_api_, 1);
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break;
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case PA_CONTEXT_CONNECTING:
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case PA_CONTEXT_AUTHORIZING:
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case PA_CONTEXT_SETTING_NAME:
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default:
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break;
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}
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}
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bool waybar::modules::Pulseaudio::handleScroll(GdkEventScroll *e) {
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// change the pulse volume only when no user provided
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// events are configured
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if (config_["on-scroll-up"].isString() || config_["on-scroll-down"].isString()) {
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return AModule::handleScroll(e);
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}
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auto dir = AModule::getScrollDir(e);
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if (dir == SCROLL_DIR::NONE) {
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return true;
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}
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if (config_["reverse-scrolling"].asInt() == 1){
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if (dir == SCROLL_DIR::UP) {
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dir = SCROLL_DIR::DOWN;
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} else if (dir == SCROLL_DIR::DOWN) {
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dir = SCROLL_DIR::UP;
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}
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}
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double volume_tick = static_cast<double>(PA_VOLUME_NORM) / 100;
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pa_volume_t change = volume_tick;
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pa_cvolume pa_volume = pa_volume_;
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// isDouble returns true for integers as well, just in case
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if (config_["scroll-step"].isDouble()) {
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change = round(config_["scroll-step"].asDouble() * volume_tick);
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}
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if (dir == SCROLL_DIR::UP) {
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if (volume_ + 1 <= 100) {
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pa_cvolume_inc(&pa_volume, change);
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}
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} else if (dir == SCROLL_DIR::DOWN) {
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if (volume_ - 1 >= 0) {
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pa_cvolume_dec(&pa_volume, change);
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}
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}
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pa_context_set_sink_volume_by_index(context_, sink_idx_, &pa_volume, volumeModifyCb, this);
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return true;
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}
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/*
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* Called when an event we subscribed to occurs.
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*/
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void waybar::modules::Pulseaudio::subscribeCb(pa_context * context,
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pa_subscription_event_type_t type, uint32_t idx,
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void *data) {
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unsigned facility = type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK;
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unsigned operation = type & PA_SUBSCRIPTION_EVENT_TYPE_MASK;
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if (operation != PA_SUBSCRIPTION_EVENT_CHANGE) {
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return;
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}
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if (facility == PA_SUBSCRIPTION_EVENT_SERVER) {
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pa_context_get_server_info(context, serverInfoCb, data);
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} else if (facility == PA_SUBSCRIPTION_EVENT_SINK) {
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pa_context_get_sink_info_by_index(context, idx, sinkInfoCb, data);
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} else if (facility == PA_SUBSCRIPTION_EVENT_SINK_INPUT) {
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pa_context_get_sink_info_list(context, sinkInfoCb, data);
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} else if (facility == PA_SUBSCRIPTION_EVENT_SOURCE) {
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pa_context_get_source_info_by_index(context, idx, sourceInfoCb, data);
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} else if (facility == PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT) {
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pa_context_get_source_info_list(context, sourceInfoCb, data);
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}
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}
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/*
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* Called in response to a volume change request
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*/
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void waybar::modules::Pulseaudio::volumeModifyCb(pa_context *c, int success, void *data) {
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auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
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if (success != 0) {
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pa_context_get_sink_info_by_index(pa->context_, pa->sink_idx_, sinkInfoCb, data);
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}
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}
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/*
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* Called when the requested source information is ready.
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*/
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void waybar::modules::Pulseaudio::sourceInfoCb(pa_context * /*context*/, const pa_source_info *i,
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int /*eol*/, void *data) {
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auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
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if (i != nullptr && pa->default_source_name_ == i->name) {
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auto source_volume = static_cast<float>(pa_cvolume_avg(&(i->volume))) / float{PA_VOLUME_NORM};
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pa->source_volume_ = std::round(source_volume * 100.0F);
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pa->source_idx_ = i->index;
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pa->source_muted_ = i->mute != 0;
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pa->source_desc_ = i->description;
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pa->source_port_name_ = i->active_port != nullptr ? i->active_port->name : "Unknown";
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pa->dp.emit();
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}
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}
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/*
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* Called when the requested sink information is ready.
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*/
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void waybar::modules::Pulseaudio::sinkInfoCb(pa_context * /*context*/, const pa_sink_info *i,
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int /*eol*/, void *data) {
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if (i == nullptr)
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return;
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auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
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if (pa->current_sink_name_ == i->name) {
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if (i->state != PA_SINK_RUNNING) {
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pa->current_sink_running_ = false;
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} else {
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pa->current_sink_running_ = true;
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}
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}
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if (!pa->current_sink_running_ && i->state == PA_SINK_RUNNING) {
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pa->current_sink_name_ = i->name;
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pa->current_sink_running_ = true;
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}
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if (pa->current_sink_name_ == i->name) {
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pa->pa_volume_ = i->volume;
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float volume = static_cast<float>(pa_cvolume_avg(&(pa->pa_volume_))) / float{PA_VOLUME_NORM};
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pa->sink_idx_ = i->index;
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pa->volume_ = std::round(volume * 100.0F);
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pa->muted_ = i->mute != 0;
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pa->desc_ = i->description;
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pa->monitor_ = i->monitor_source_name;
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pa->port_name_ = i->active_port != nullptr ? i->active_port->name : "Unknown";
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if (auto ff = pa_proplist_gets(i->proplist, PA_PROP_DEVICE_FORM_FACTOR)) {
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pa->form_factor_ = ff;
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}
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pa->dp.emit();
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}
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}
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/*
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* Called when the requested information on the server is ready. This is
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* used to find the default PulseAudio sink.
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*/
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void waybar::modules::Pulseaudio::serverInfoCb(pa_context *context, const pa_server_info *i,
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void *data) {
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auto pa = static_cast<waybar::modules::Pulseaudio *>(data);
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pa->current_sink_name_ = i->default_sink_name;
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pa->default_source_name_ = i->default_source_name;
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pa_context_get_sink_info_list(context, sinkInfoCb, data);
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pa_context_get_source_info_list(context, sourceInfoCb, data);
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}
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static const std::array<std::string, 9> ports = {
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"headphone",
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"speaker",
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"hdmi",
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"headset",
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"hands-free",
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"portable",
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"car",
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"hifi",
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"phone",
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};
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const std::vector<std::string> waybar::modules::Pulseaudio::getPulseIcon() const {
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std::vector<std::string> res = {current_sink_name_, default_source_name_};
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std::string nameLC = port_name_ + form_factor_;
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std::transform(nameLC.begin(), nameLC.end(), nameLC.begin(), ::tolower);
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for (auto const &port : ports) {
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if (nameLC.find(port) != std::string::npos) {
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res.push_back(port);
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return res;
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}
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}
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return res;
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}
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auto waybar::modules::Pulseaudio::update() -> void {
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auto format = format_;
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std::string tooltip_format;
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if (!alt_) {
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std::string format_name = "format";
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if (monitor_.find("a2dp_sink") != std::string::npos || // PulseAudio
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monitor_.find("a2dp-sink") != std::string::npos) { // PipeWire
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format_name = format_name + "-bluetooth";
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label_.get_style_context()->add_class("bluetooth");
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} else {
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label_.get_style_context()->remove_class("bluetooth");
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}
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if (muted_) {
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// Check muted bluetooth format exist, otherwise fallback to default muted format
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if (format_name != "format" && !config_[format_name + "-muted"].isString()) {
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format_name = "format";
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}
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format_name = format_name + "-muted";
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label_.get_style_context()->add_class("muted");
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label_.get_style_context()->add_class("sink-muted");
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} else {
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label_.get_style_context()->remove_class("muted");
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label_.get_style_context()->remove_class("sink-muted");
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}
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format =
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config_[format_name].isString() ? config_[format_name].asString() : format;
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}
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// TODO: find a better way to split source/sink
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std::string format_source = "{volume}%";
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if (source_muted_) {
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label_.get_style_context()->add_class("source-muted");
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if (config_["format-source-muted"].isString()) {
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format_source = config_["format-source-muted"].asString();
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}
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} else {
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label_.get_style_context()->remove_class("source-muted");
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if (config_["format-source-muted"].isString()) {
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format_source = config_["format-source"].asString();
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}
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}
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format_source = fmt::format(format_source, fmt::arg("volume", source_volume_));
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label_.set_markup(fmt::format(format,
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fmt::arg("desc", desc_),
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fmt::arg("volume", volume_),
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fmt::arg("format_source", format_source),
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fmt::arg("source_volume", source_volume_),
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fmt::arg("source_desc", source_desc_),
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fmt::arg("icon", getIcon(volume_, getPulseIcon()))));
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getState(volume_);
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if (tooltipEnabled()) {
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if (tooltip_format.empty() && config_["tooltip-format"].isString()) {
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tooltip_format = config_["tooltip-format"].asString();
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}
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if (!tooltip_format.empty()) {
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label_.set_tooltip_text(fmt::format(
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tooltip_format,
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fmt::arg("desc", desc_),
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fmt::arg("volume", volume_),
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fmt::arg("format_source", format_source),
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fmt::arg("source_volume", source_volume_),
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fmt::arg("source_desc", source_desc_),
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fmt::arg("icon", getIcon(volume_, getPulseIcon()))));
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} else {
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label_.set_tooltip_text(desc_);
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}
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}
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// Call parent update
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ALabel::update();
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}
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