Waybar/src/modules/cpu_frequency/common.cpp

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2022-12-21 16:45:53 +00:00
#include "modules/cpu_frequency.hpp"
// In the 80000 version of fmt library authors decided to optimize imports
// and moved declarations required for fmt::dynamic_format_arg_store in new
// header fmt/args.h
#if (FMT_VERSION >= 80000)
#include <fmt/args.h>
#else
#include <fmt/core.h>
#endif
waybar::modules::CpuFrequency::CpuFrequency(const std::string& id, const Json::Value& config)
: AButton(config, "cpu_frequency", id, "{avg_frequency}", 10) {
thread_ = [this] {
dp.emit();
thread_.sleep_for(interval_);
};
}
auto waybar::modules::CpuFrequency::update() -> void {
// TODO: as creating dynamic fmt::arg arrays is buggy we have to calc both
auto [max_frequency, min_frequency, avg_frequency] = getCpuFrequency();
if (tooltipEnabled()) {
auto tooltip =
fmt::format("Minimum frequency: {}\nAverage frequency: {}\nMaximum frequency: {}\n",
min_frequency, avg_frequency, max_frequency);
button_.set_tooltip_text(tooltip);
}
auto format = format_;
auto state = getState(avg_frequency);
if (!state.empty() && config_["format-" + state].isString()) {
format = config_["format-" + state].asString();
}
if (format.empty()) {
event_box_.hide();
} else {
event_box_.show();
auto icons = std::vector<std::string>{state};
fmt::dynamic_format_arg_store<fmt::format_context> store;
store.push_back(fmt::arg("icon", getIcon(avg_frequency, icons)));
store.push_back(fmt::arg("max_frequency", max_frequency));
store.push_back(fmt::arg("min_frequency", min_frequency));
store.push_back(fmt::arg("avg_frequency", avg_frequency));
label_->set_markup(fmt::vformat(format, store));
}
// Call parent update
AButton::update();
}
std::tuple<float, float, float> waybar::modules::CpuFrequency::getCpuFrequency() {
std::vector<float> frequencies = parseCpuFrequencies();
if (frequencies.empty()) {
return {0.f, 0.f, 0.f};
}
auto [min, max] = std::minmax_element(std::begin(frequencies), std::end(frequencies));
float avg_frequency =
std::accumulate(std::begin(frequencies), std::end(frequencies), 0.0) / frequencies.size();
// Round frequencies with double decimal precision to get GHz
float max_frequency = std::ceil(*max / 10.0) / 100.0;
float min_frequency = std::ceil(*min / 10.0) / 100.0;
avg_frequency = std::ceil(avg_frequency / 10.0) / 100.0;
return {max_frequency, min_frequency, avg_frequency};
}