waybar/src/modules/cpu.cpp

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#include "modules/cpu.hpp"
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waybar::modules::Cpu::Cpu(Json::Value config)
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: config_(std::move(config))
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{
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label_.set_name("cpu");
uint32_t interval = config_["interval"] ? config_["inveral"].asUInt() : 10;
thread_ = [this, interval] {
Glib::signal_idle().connect_once(sigc::mem_fun(*this, &Cpu::update));
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thread_.sleep_for(chrono::seconds(interval));
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};
};
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auto waybar::modules::Cpu::update() -> void
{
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struct sysinfo info = {};
if (sysinfo(&info) == 0) {
float f_load = 1.f / (1U << SI_LOAD_SHIFT);
uint16_t load = info.loads[0] * f_load * 100 / get_nprocs();
auto format = config_["format"] ? config_["format"].asString() : "{}%";
label_.set_text(fmt::format(format, load));
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}
}
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waybar::modules::Cpu::operator Gtk::Widget &() {
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return label_;
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}