author | zecke <zecke> | 2003-02-21 16:52:49 (UTC) |
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committer | zecke <zecke> | 2003-02-21 16:52:49 (UTC) |
commit | 0bb9d0f9e7da80f0ae3b91d4ebbb7aab4d2b9df7 (patch) (side-by-side diff) | |
tree | f3ce9c9441a1073762f3e0c61cc85f0d5a1fd81d /libopie2/opiepim/core/otimezone.cpp | |
parent | a298235aa1489937e7657079e6352adfc8746acf (diff) | |
download | opie-0bb9d0f9e7da80f0ae3b91d4ebbb7aab4d2b9df7.zip opie-0bb9d0f9e7da80f0ae3b91d4ebbb7aab4d2b9df7.tar.gz opie-0bb9d0f9e7da80f0ae3b91d4ebbb7aab4d2b9df7.tar.bz2 |
-Remove old Todo classes they're deprecated and today I already using the
new API
-Guard against self assignment in OTodo
-Add test apps for OPIM
-Opiefied Event classes
-Added TimeZone handling and pinning of TimeZones to OEvent
-Adjust ORecur and the widget to better timezone behaviour
Diffstat (limited to 'libopie2/opiepim/core/otimezone.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | libopie2/opiepim/core/otimezone.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/libopie2/opiepim/core/otimezone.cpp b/libopie2/opiepim/core/otimezone.cpp new file mode 100644 index 0000000..b2bd3aa --- a/dev/null +++ b/libopie2/opiepim/core/otimezone.cpp @@ -0,0 +1,104 @@ +#include <stdio.h> +#include <stdlib.h> + +#include <sys/types.h> + +#include "otimezone.h" + +namespace { + + QDateTime utcTime( time_t t) { + tm* broken = ::gmtime( &t ); + QDateTime ret; + ret.setDate( QDate( broken->tm_year + 1900, broken->tm_mon +1, broken->tm_mday ) ); + ret.setTime( QTime( broken->tm_hour, broken->tm_min, broken->tm_sec ) ); + return ret; + } + QDateTime utcTime( time_t t, const QString& zone) { + QCString org = ::getenv( "TZ" ); + ::setenv( "TZ", zone.latin1(), true ); + ::tzset(); + + tm* broken = ::localtime( &t ); + ::setenv( "TZ", org, true ); + + QDateTime ret; + ret.setDate( QDate( broken->tm_year + 1900, broken->tm_mon +1, broken->tm_mday ) ); + ret.setTime( QTime( broken->tm_hour, broken->tm_min, broken->tm_sec ) ); + + return ret; + } + time_t to_Time_t( const QDateTime& utc, const QString& str ) { + QDate d = utc.date(); + QTime t = utc.time(); + + tm broken; + broken.tm_year = d.year() - 1900; + broken.tm_mon = d.month() - 1; + broken.tm_mday = d.day(); + broken.tm_hour = t.hour(); + broken.tm_min = t.minute(); + broken.tm_sec = t.second(); + + QCString org = ::getenv( "TZ" ); + ::setenv( "TZ", str.latin1(), true ); + ::tzset(); + + time_t ti = ::mktime( &broken ); + ::setenv( "TZ", org, true ); + + return ti; + } +} +OTimeZone::OTimeZone( const ZoneName& zone ) + : m_name(zone) { +} +OTimeZone::~OTimeZone() { +} + +bool OTimeZone::isValid()const { + return !m_name.isEmpty(); +} + +/* + * we will get the current timezone + * and ask it to convert to the timezone date + */ +QDateTime OTimeZone::toLocalDateTime( const QDateTime& dt) { + return OTimeZone::current().toDateTime( dt, *this ); +} +QDateTime OTimeZone::toUTCDateTime( const QDateTime& dt ) { + return OTimeZone::utc().toDateTime( dt, *this ); +} +QDateTime OTimeZone::fromUTCDateTime( time_t t) { + return utcTime( t ); +} +QDateTime OTimeZone::toDateTime( time_t t) { + return utcTime( t, m_name ); +} +/* + * convert dt to utc using zone.m_name + * convert utc -> timeZoneDT using this->m_name + */ +QDateTime OTimeZone::toDateTime( const QDateTime& dt, const OTimeZone& zone ) { + time_t utc = to_Time_t( dt, zone.m_name ); + qWarning("%d %s", utc, zone.m_name.latin1() ); + return utcTime( utc, m_name ); +} +time_t OTimeZone::fromDateTime( const QDateTime& time ) { + return to_Time_t( time, m_name ); +} +time_t OTimeZone::fromUTCDateTime( const QDateTime& time ) { + return to_Time_t( time, "UTC" ); +} +OTimeZone OTimeZone::current() { + QCString str = ::getenv("TZ"); + OTimeZone zone( str ); + return zone; +} +OTimeZone OTimeZone::utc() { + return OTimeZone("UTC"); +} +QString OTimeZone::timeZone()const { + return m_name; +} |