Waybar/src/modules/cpu.cpp

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#include "modules/cpu.hpp"
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#include "modules/cpu_frequency.hpp"
#include "modules/cpu_usage.hpp"
#include "modules/load.hpp"
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// 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
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waybar::modules::Cpu::Cpu(const std::string& id, const Json::Value& config)
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: ALabel(config, "cpu", id, "{usage}%", 10) {
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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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auto waybar::modules::Cpu::update() -> void {
// TODO: as creating dynamic fmt::arg arrays is buggy we have to calc both
auto [load1, load5, load15] = Load::getLoad();
auto [cpu_usage, tooltip] = CpuUsage::getCpuUsage(prev_times_);
auto [max_frequency, min_frequency, avg_frequency] = CpuFrequency::getCpuFrequency();
if (tooltipEnabled()) {
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label_.set_tooltip_text(tooltip);
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}
auto format = format_;
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auto total_usage = cpu_usage.empty() ? 0 : cpu_usage[0];
auto state = getState(total_usage);
if (!state.empty() && config_["format-" + state].isString()) {
format = config_["format-" + state].asString();
}
if (format.empty()) {
event_box_.hide();
} else {
event_box_.show();
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auto icons = std::vector<std::string>{state};
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fmt::dynamic_format_arg_store<fmt::format_context> store;
store.push_back(fmt::arg("load", load1));
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store.push_back(fmt::arg("usage", total_usage));
store.push_back(fmt::arg("icon", getIcon(total_usage, 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));
for (size_t i = 1; i < cpu_usage.size(); ++i) {
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auto core_i = i - 1;
auto core_format = fmt::format("usage{}", core_i);
store.push_back(fmt::arg(core_format.c_str(), cpu_usage[i]));
auto icon_format = fmt::format("icon{}", core_i);
store.push_back(fmt::arg(icon_format.c_str(), getIcon(cpu_usage[i], icons)));
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}
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label_.set_markup(fmt::vformat(format, store));
}
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// Call parent update
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ALabel::update();
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}