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Merge pull request #2340 from LukashonakV/ISSUE_2331 

time conversion between time zones
This commit is contained in:
Alexis Rouillard 2023-07-24 09:26:02 +02:00 committed by GitHub
parent 8ce1d15885 d01ce7d812
commit e9b29613b2
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 65 additions and 76 deletions
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17
include/modules/clock.hpp
View File

@ -34,11 +34,18 @@ class Clock final : public ALabel {
auto first_day_of_week() -> date::weekday;
const date::time_zone* current_timezone();
bool is_timezone_fixed();
auto timezones_text(std::chrono::system_clock::time_point* now) -> std::string;
auto timezones_text(std::chrono::system_clock::time_point now) -> std::string;
/*Calendar properties*/
WeeksSide cldWPos_{WeeksSide::HIDDEN};
/*
0 - calendar.format.months
1 - calendar.format.weekdays
2 - calendar.format.days
3 - calendar.format.today
4 - calendar.format.weeks
5 - tooltip-format
*/
std::map<int, std::string const> fmtMap_;
CldMode cldMode_{CldMode::MONTH};
uint cldMonCols_{3}; // Count of the month in the row
@ -52,8 +59,10 @@ class Clock final : public ALabel {
std::string cldMonCached_{};
date::day cldBaseDay_{0};
/*Calendar functions*/
auto get_calendar(const date::zoned_seconds& now, const date::zoned_seconds& wtime)
-> std::string;
auto get_calendar(const date::year_month_day& today,
const date::year_month_day& ymd,
const date::time_zone* tz)
-> const std::string;
/*Clock actions*/
void cldModeSwitch();
void cldShift_up();

124
src/modules/clock.cpp
View File

@ -17,15 +17,15 @@
waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
: ALabel(config, "clock", id, "{:%H:%M}", 60, false, false, true),
current_time_zone_idx_(0),
is_calendar_in_tooltip_(false),
is_timezoned_list_in_tooltip_(false) {
current_time_zone_idx_{0},
is_calendar_in_tooltip_{false},
is_timezoned_list_in_tooltip_{false} {
if (config_["timezones"].isArray() && !config_["timezones"].empty()) {
for (const auto& zone_name : config_["timezones"]) {
if (!zone_name.isString()) continue;
if (zone_name.asString().empty())
// nullptr means that local time should be shown
time_zones_.push_back(nullptr);
// local time should be shown
time_zones_.push_back(date::current_zone());
else
try {
time_zones_.push_back(date::locate_zone(zone_name.asString()));
@ -35,8 +35,7 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
}
} else if (config_["timezone"].isString()) {
if (config_["timezone"].asString().empty())
// nullptr means that local time should be shown
time_zones_.push_back(nullptr);
time_zones_.push_back(date::current_zone());
else
try {
time_zones_.push_back(date::locate_zone(config_["timezone"].asString()));
@ -47,21 +46,22 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
// If all timezones are parsed and no one is good
if (!time_zones_.size()) {
// nullptr means that local time should be shown
time_zones_.push_back(nullptr);
time_zones_.push_back(date::current_zone());
}
// Check if a particular placeholder is present in the tooltip format, to know what to calculate
// on update.
if (config_["tooltip-format"].isString()) {
std::string trimmed_format = config_["tooltip-format"].asString();
std::string trimmed_format{config_["tooltip-format"].asString()};
trimmed_format.erase(std::remove_if(trimmed_format.begin(), trimmed_format.end(),
[](unsigned char x) { return std::isspace(x); }),
trimmed_format.end());
if (trimmed_format.find("{" + kCalendarPlaceholder + "}") != std::string::npos) {
fmtMap_.insert({5, trimmed_format});
if (fmtMap_[5].find("{" + kCalendarPlaceholder + "}") != std::string::npos) {
is_calendar_in_tooltip_ = true;
}
if (trimmed_format.find("{" + KTimezonedTimeListPlaceholder + "}") != std::string::npos) {
if (fmtMap_[5].find("{" + KTimezonedTimeListPlaceholder + "}") != std::string::npos) {
is_timezoned_list_in_tooltip_ = true;
}
}
@ -158,52 +158,33 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
}
const date::time_zone* waybar::modules::Clock::current_timezone() {
return is_timezone_fixed() ? time_zones_[current_time_zone_idx_] : date::current_zone();
}
bool waybar::modules::Clock::is_timezone_fixed() {
return time_zones_[current_time_zone_idx_] != nullptr;
return time_zones_[current_time_zone_idx_];
}
auto waybar::modules::Clock::update() -> void {
const auto* time_zone = current_timezone();
auto now = std::chrono::system_clock::now();
auto ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now)};
const auto* tz{current_timezone()};
const date::zoned_time now{
tz, std::chrono::system_clock::now()}; // Define local time is based on provided time zone
const date::year_month_day today{
date::floor<date::days>(now.get_local_time())}; // Convert now to year_month_day
const date::year_month_day shiftedDay{today + cldCurrShift_}; // Shift today
// Define shift local time
const auto shiftedNow{date::make_zoned(
tz, date::local_days(shiftedDay) +
(now.get_local_time() - date::floor<date::days>(now.get_local_time())))};
auto shifted_date = date::year_month_day{date::floor<date::days>(now)} + cldCurrShift_;
if (cldCurrShift_.count()) {
shifted_date = date::year_month_day(shifted_date.year(), shifted_date.month(), date::day(1));
}
auto now_shifted = date::sys_days{shifted_date} + (now - date::floor<date::days>(now));
auto shifted_ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now_shifted)};
std::string text{""};
if (!is_timezone_fixed()) {
// As date dep is not fully compatible, prefer fmt
tzset();
auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now));
text = fmt::format(locale_, fmt::runtime(format_), localtime);
} else {
text = fmt::format(locale_, fmt::runtime(format_), ztime);
}
label_.set_markup(text);
label_.set_markup(fmt::format(locale_, fmt::runtime(format_), now));
if (tooltipEnabled()) {
if (config_["tooltip-format"].isString()) {
std::string calendar_lines{""};
std::string timezoned_time_lines{""};
if (is_calendar_in_tooltip_) {
calendar_lines = get_calendar(ztime, shifted_ztime);
}
if (is_timezoned_list_in_tooltip_) {
timezoned_time_lines = timezones_text(&now);
}
auto tooltip_format = config_["tooltip-format"].asString();
text = fmt::format(locale_, fmt::runtime(tooltip_format), shifted_ztime,
fmt::arg(kCalendarPlaceholder.c_str(), calendar_lines),
fmt::arg(KTimezonedTimeListPlaceholder.c_str(), timezoned_time_lines));
label_.set_tooltip_markup(text);
}
const std::string tz_text{(is_timezoned_list_in_tooltip_) ? timezones_text(now.get_sys_time())
: ""};
const std::string cld_text{(is_calendar_in_tooltip_) ? get_calendar(today, shiftedDay, tz)
: ""};
const std::string text{fmt::format(locale_, fmt::runtime(fmtMap_[5]), shiftedNow,
fmt::arg(KTimezonedTimeListPlaceholder.c_str(), tz_text),
fmt::arg(kCalendarPlaceholder.c_str(), cld_text))};
label_.set_tooltip_markup(text);
}
// Call parent update
@ -219,15 +200,15 @@ auto waybar::modules::Clock::doAction(const std::string& name) -> void {
}
// The number of weeks in calendar month layout plus 1 more for calendar titles
unsigned cldRowsInMonth(date::year_month const ym, date::weekday const firstdow) {
const unsigned cldRowsInMonth(const date::year_month& ym, const date::weekday& firstdow) {
using namespace date;
return static_cast<unsigned>(
ceil<weeks>((weekday{ym / 1} - firstdow) + ((ym / last).day() - day{0})).count()) +
2;
}
auto cldGetWeekForLine(date::year_month const ym, date::weekday const firstdow, unsigned const line)
-> const date::year_month_weekday {
auto cldGetWeekForLine(const date::year_month& ym, const date::weekday& firstdow,
unsigned const line) -> const date::year_month_weekday {
unsigned index = line - 2;
auto sd = date::sys_days{ym / 1};
if (date::weekday{sd} == firstdow) ++index;
@ -235,8 +216,8 @@ auto cldGetWeekForLine(date::year_month const ym, date::weekday const firstdow,
return ymdw;
}
auto getCalendarLine(date::year_month_day const currDate, date::year_month const ym,
unsigned const line, date::weekday const firstdow,
auto getCalendarLine(const date::year_month_day& currDate, const date::year_month ym,
const unsigned line, const date::weekday& firstdow,
const std::locale* const locale_) -> std::string {
using namespace date::literals;
std::ostringstream res;
@ -318,10 +299,9 @@ auto getCalendarLine(date::year_month_day const currDate, date::year_month const
return res.str();
}
auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
const date::zoned_seconds& wtime) -> std::string {
auto daypoint = date::floor<date::days>(wtime.get_local_time());
const auto ymd{date::year_month_day{daypoint}};
auto waybar::modules::Clock::get_calendar(const date::year_month_day& today,
const date::year_month_day& ymd,
const date::time_zone* tz) -> const std::string {
const auto ym{ymd.year() / ymd.month()};
const auto y{ymd.year()};
const auto d{ymd.day()};
@ -329,9 +309,6 @@ auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
const auto maxRows{12 / cldMonCols_};
std::ostringstream os;
std::ostringstream tmp;
// get currdate
daypoint = date::floor<date::days>(now.get_local_time());
const auto currDate{date::year_month_day{daypoint}};
if (cldMode_ == CldMode::YEAR) {
if (y / date::month{1} / 1 == cldYearShift_)
@ -361,6 +338,7 @@ auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
else
m = 0u;
}
for (auto row{0u}; row < maxRows; ++row) {
const auto lines = *std::max_element(std::begin(ml) + (row * cldMonCols_),
std::begin(ml) + ((row + 1) * cldMonCols_));
@ -377,8 +355,9 @@ auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
if (line < ml[static_cast<unsigned>(ymTmp.month()) - 1u])
os << fmt::format(fmt::runtime(fmtMap_[4]),
(line == 2)
? date::sys_days{ymTmp / 1}
: date::sys_days{cldGetWeekForLine(ymTmp, firstdow, line)})
? date::zoned_seconds{tz, date::local_days{ymTmp / 1}}
: date::zoned_seconds{tz, date::local_days{cldGetWeekForLine(
ymTmp, firstdow, line)}})
<< ' ';
else
os << std::string(cldWnLen_, ' ');
@ -387,7 +366,7 @@ auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
os << fmt::format(
fmt::runtime((cldWPos_ != WeeksSide::LEFT || line == 0) ? "{:<{}}" : "{:>{}}"),
getCalendarLine(currDate, ymTmp, line, firstdow, &locale_),
getCalendarLine(today, ymTmp, line, firstdow, &locale_),
(cldMonColLen_ + ((line < 2) ? cldWnLen_ : 0)));
// Week numbers on the right
@ -397,8 +376,9 @@ auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
os << ' '
<< fmt::format(fmt::runtime(fmtMap_[4]),
(line == 2)
? date::sys_days{ymTmp / 1}
: date::sys_days{cldGetWeekForLine(ymTmp, firstdow, line)});
? date::zoned_seconds{tz, date::local_days{ymTmp / 1}}
: date::zoned_seconds{tz, date::local_days{cldGetWeekForLine(
ymTmp, firstdow, line)}});
else
os << std::string(cldWnLen_, ' ');
}
@ -421,7 +401,7 @@ auto waybar::modules::Clock::get_calendar(const date::zoned_seconds& now,
os << fmt::format( // Apply days format
fmt::runtime(fmt::format(fmt::runtime(fmtMap_[2]), tmp.str())),
// Apply today format
fmt::arg("today", fmt::format(fmt::runtime(fmtMap_[3]), date::format("%e", ymd.day()))));
fmt::arg("today", fmt::format(fmt::runtime(fmtMap_[3]), date::format("%e", d))));
if (cldMode_ == CldMode::YEAR)
cldYearCached_ = os.str();
@ -457,7 +437,7 @@ void waybar::modules::Clock::tz_down() {
current_time_zone_idx_ = current_time_zone_idx_ == 0 ? nr_zones - 1 : current_time_zone_idx_ - 1;
}
auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_point* now)
auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_point now)
-> std::string {
if (time_zones_.size() == 1) {
return "";
@ -471,7 +451,7 @@ auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_poin
if (!timezone) {
timezone = date::current_zone();
}
auto ztime = date::zoned_time{timezone, date::floor<std::chrono::seconds>(*now)};
auto ztime = date::zoned_time{timezone, date::floor<std::chrono::seconds>(now)};
os << fmt::format(locale_, fmt::runtime(format_), ztime) << '\n';
}
return os.str();