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path: root/libopie/pim/otimezone.cpp
authorzecke <zecke>2003-02-21 16:52:49 (UTC)
committer zecke <zecke>2003-02-21 16:52:49 (UTC)
commit0bb9d0f9e7da80f0ae3b91d4ebbb7aab4d2b9df7 (patch) (unidiff)
treef3ce9c9441a1073762f3e0c61cc85f0d5a1fd81d /libopie/pim/otimezone.cpp
parenta298235aa1489937e7657079e6352adfc8746acf (diff)
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-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 'libopie/pim/otimezone.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie/pim/otimezone.cpp104
1 files changed, 104 insertions, 0 deletions
diff --git a/libopie/pim/otimezone.cpp b/libopie/pim/otimezone.cpp
new file mode 100644
index 0000000..b2bd3aa
--- a/dev/null
+++ b/libopie/pim/otimezone.cpp
@@ -0,0 +1,104 @@
1#include <stdio.h>
2#include <stdlib.h>
3
4#include <sys/types.h>
5
6#include "otimezone.h"
7
8namespace {
9
10 QDateTime utcTime( time_t t) {
11 tm* broken = ::gmtime( &t );
12 QDateTime ret;
13 ret.setDate( QDate( broken->tm_year + 1900, broken->tm_mon +1, broken->tm_mday ) );
14 ret.setTime( QTime( broken->tm_hour, broken->tm_min, broken->tm_sec ) );
15 return ret;
16 }
17 QDateTime utcTime( time_t t, const QString& zone) {
18 QCString org = ::getenv( "TZ" );
19 ::setenv( "TZ", zone.latin1(), true );
20 ::tzset();
21
22 tm* broken = ::localtime( &t );
23 ::setenv( "TZ", org, true );
24
25 QDateTime ret;
26 ret.setDate( QDate( broken->tm_year + 1900, broken->tm_mon +1, broken->tm_mday ) );
27 ret.setTime( QTime( broken->tm_hour, broken->tm_min, broken->tm_sec ) );
28
29 return ret;
30 }
31 time_t to_Time_t( const QDateTime& utc, const QString& str ) {
32 QDate d = utc.date();
33 QTime t = utc.time();
34
35 tm broken;
36 broken.tm_year = d.year() - 1900;
37 broken.tm_mon = d.month() - 1;
38 broken.tm_mday = d.day();
39 broken.tm_hour = t.hour();
40 broken.tm_min = t.minute();
41 broken.tm_sec = t.second();
42
43 QCString org = ::getenv( "TZ" );
44 ::setenv( "TZ", str.latin1(), true );
45 ::tzset();
46
47 time_t ti = ::mktime( &broken );
48 ::setenv( "TZ", org, true );
49
50 return ti;
51 }
52}
53OTimeZone::OTimeZone( const ZoneName& zone )
54 : m_name(zone) {
55}
56OTimeZone::~OTimeZone() {
57}
58
59bool OTimeZone::isValid()const {
60 return !m_name.isEmpty();
61}
62
63/*
64 * we will get the current timezone
65 * and ask it to convert to the timezone date
66 */
67QDateTime OTimeZone::toLocalDateTime( const QDateTime& dt) {
68 return OTimeZone::current().toDateTime( dt, *this );
69}
70QDateTime OTimeZone::toUTCDateTime( const QDateTime& dt ) {
71 return OTimeZone::utc().toDateTime( dt, *this );
72}
73QDateTime OTimeZone::fromUTCDateTime( time_t t) {
74 return utcTime( t );
75}
76QDateTime OTimeZone::toDateTime( time_t t) {
77 return utcTime( t, m_name );
78}
79/*
80 * convert dt to utc using zone.m_name
81 * convert utc -> timeZoneDT using this->m_name
82 */
83QDateTime OTimeZone::toDateTime( const QDateTime& dt, const OTimeZone& zone ) {
84 time_t utc = to_Time_t( dt, zone.m_name );
85 qWarning("%d %s", utc, zone.m_name.latin1() );
86 return utcTime( utc, m_name );
87}
88time_t OTimeZone::fromDateTime( const QDateTime& time ) {
89 return to_Time_t( time, m_name );
90}
91time_t OTimeZone::fromUTCDateTime( const QDateTime& time ) {
92 return to_Time_t( time, "UTC" );
93}
94OTimeZone OTimeZone::current() {
95 QCString str = ::getenv("TZ");
96 OTimeZone zone( str );
97 return zone;
98}
99OTimeZone OTimeZone::utc() {
100 return OTimeZone("UTC");
101}
102QString OTimeZone::timeZone()const {
103 return m_name;
104}