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Detect timezone changes 

Fixes #479, because upstream does not intend to.

It may be less expensive to do that only once in a while, or to inotify-watch on /etc/timezone, but this is good enough.
This commit is contained in:
Guillaume Maudoux 2019-10-04 23:25:09 +02:00 committed by GitHub
parent 048d8d328e
commit 1e82982dbd
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src/modules/clock.cpp
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@ -1,4 +1,5 @@
#include "modules/clock.hpp" #include "modules/clock.hpp"
#include <time.h>
waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config) waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
: ALabel(config, "clock", id, "{:%H:%M}", 60) { : ALabel(config, "clock", id, "{:%H:%M}", 60) {
@ -12,6 +13,7 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
} }
auto waybar::modules::Clock::update() -> void { auto waybar::modules::Clock::update() -> void {
tzset(); // Update timezone information
auto now = std::chrono::system_clock::now(); auto now = std::chrono::system_clock::now();
auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now)); auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now));
auto text = fmt::format(format_, localtime); auto text = fmt::format(format_, localtime);