waybar/include/modules/clock.hpp

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#pragma once
#include <fmt/format.h>
#if FMT_VERSION < 60000
#include <fmt/time.h>
#else
#include <fmt/chrono.h>
#endif
#include <date/tz.h>
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#include "ALabel.hpp"
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#include "util/sleeper_thread.hpp"
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namespace waybar::modules {
struct waybar_time {
std::locale locale;
date::zoned_time<std::chrono::system_clock::duration> ztime;
};
class Clock : public ALabel {
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public:
Clock(const std::string&, const Json::Value&);
~Clock() = default;
auto update() -> void;
private:
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util::SleeperThread thread_;
std::locale locale_;
const date::time_zone* time_zone_;
bool fixed_time_zone_;
date::year_month_day cached_calendar_ymd_;
std::string cached_calendar_text_;
auto calendar_text(const waybar_time& wtime) -> std::string;
auto weekdays_header(const date::weekday& first_dow, std::ostream& os) -> void;
auto first_day_of_week() -> date::weekday;
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};
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} // namespace waybar::modules