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-rw-r--r--libkdepim/kpimprefs.cpp187
1 files changed, 187 insertions, 0 deletions
diff --git a/libkdepim/kpimprefs.cpp b/libkdepim/kpimprefs.cpp
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+++ b/libkdepim/kpimprefs.cpp
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+/*
+ This file is part of libkdepim.
+
+ Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include <config.h>
+
+#include <time.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <qstring.h>
+
+#include <kstandarddirs.h>
+#include <kglobal.h>
+#include <kconfig.h>
+#include <klocale.h>
+#include <kdebug.h>
+
+#include "kpimprefs.h"
+
+KPimPrefs::KPimPrefs( const QString &name )
+ : KConfigSkeleton( name )
+{
+}
+
+KPimPrefs::~KPimPrefs()
+{
+}
+
+void KPimPrefs::usrSetDefaults()
+{
+ setCategoryDefaults();
+}
+
+void KPimPrefs::usrReadConfig()
+{
+ kdDebug(5300) << "KPimPrefs::usrReadConfig()" << endl;
+
+ config()->setGroup("General");
+ mCustomCategories = config()->readListEntry( "Custom Categories" );
+ if ( mCustomCategories.isEmpty() ) setCategoryDefaults();
+ mCustomCategories.sort();
+}
+
+const QString KPimPrefs::timezone()
+{
+ QString zone = "";
+
+ // Read TimeZoneId from korganizerrc.
+ KConfig korgcfg( locate( "config", "korganizerrc" ) );
+ korgcfg.setGroup( "Time & Date" );
+ QString tz( korgcfg.readEntry( "TimeZoneId" ) );
+ if ( !tz.isEmpty() ) {
+ zone = tz;
+ kdDebug(5300) << "timezone from korganizerrc is " << zone << endl;
+ }
+
+ // If timezone not found in KOrg, use the system's default timezone.
+ if ( zone.isEmpty() ) {
+ char zonefilebuf[ PATH_MAX ];
+
+ int len = readlink( "/etc/localtime", zonefilebuf, PATH_MAX );
+ if ( len > 0 && len < PATH_MAX ) {
+ zone = QString::fromLocal8Bit( zonefilebuf, len );
+ zone = zone.mid( zone.find( "zoneinfo/" ) + 9 );
+ kdDebug(5300) << "system timezone from /etc/localtime is " << zone
+ << endl;
+ } else {
+ tzset();
+ zone = tzname[ 0 ];
+ kdDebug(5300) << "system timezone from tzset() is " << zone << endl;
+ }
+ }
+
+ return( zone );
+}
+
+QDateTime KPimPrefs::utcToLocalTime( const QDateTime &_dt,
+ const QString &timeZoneId )
+{
+ QDateTime dt(_dt);
+// kdDebug() << "--- UTC: " << dt.toString() << endl;
+
+ int yearCorrection = 0;
+ // The timezone conversion only works for dates > 1970
+ // For dates < 1970 we adjust the date to be in 1970,
+ // do the correction there and then re-adjust back.
+ // Actually, we use 1971 to prevent errors around
+ // January 1, 1970
+ int year = dt.date().year();
+ if (year < 1971)
+ {
+ yearCorrection = 1971 - year;
+ dt = dt.addYears(yearCorrection);
+// kdDebug() << "--- Adjusted UTC: " << dt.toString() << endl;
+ }
+
+ QCString origTz = getenv("TZ");
+
+ setenv( "TZ", "UTC", 1 );
+ time_t utcTime = dt.toTime_t();
+
+ setenv( "TZ", timeZoneId.local8Bit(), 1 );
+ struct tm *local = localtime( &utcTime );
+
+ if ( origTz.isNull() ) {
+ unsetenv( "TZ" );
+ } else {
+ setenv( "TZ", origTz, 1 );
+ }
+ tzset();
+
+ QDateTime result( QDate( local->tm_year + 1900 - yearCorrection,
+ local->tm_mon + 1, local->tm_mday ),
+ QTime( local->tm_hour, local->tm_min, local->tm_sec ) );
+
+// kdDebug() << "--- LOCAL: " << result.toString() << endl;
+ return result;
+}
+
+QDateTime KPimPrefs::localTimeToUtc( const QDateTime &_dt,
+ const QString &timeZoneId )
+{
+ QDateTime dt(_dt);
+// kdDebug() << "--- LOCAL: " << dt.toString() << endl;
+
+ int yearCorrection = 0;
+ // The timezone conversion only works for dates > 1970
+ // For dates < 1970 we adjust the date to be in 1970,
+ // do the correction there and then re-adjust back.
+ // Actually, we use 1971 to prevent errors around
+ // January 1, 1970
+
+ int year = dt.date().year();
+ if (year < 1971)
+ {
+ yearCorrection = 1971 - year;
+ dt = dt.addYears(yearCorrection);
+// kdDebug() << "--- Adjusted LOCAL: " << dt.toString() << endl;
+ }
+
+ QCString origTz = getenv("TZ");
+
+ setenv( "TZ", timeZoneId.local8Bit(), 1 );
+ time_t localTime = dt.toTime_t();
+
+ setenv( "TZ", "UTC", 1 );
+ struct tm *utc = gmtime( &localTime );
+
+ if ( origTz.isNull() ) {
+ unsetenv( "TZ" );
+ } else {
+ setenv( "TZ", origTz, 1 );
+ }
+ tzset();
+
+ QDateTime result( QDate( utc->tm_year + 1900 - yearCorrection,
+ utc->tm_mon + 1, utc->tm_mday ),
+ QTime( utc->tm_hour, utc->tm_min, utc->tm_sec ) );
+
+// kdDebug() << "--- UTC: " << result.toString() << endl;
+
+ return result;
+}
+
+void KPimPrefs::usrWriteConfig()
+{
+ config()->setGroup( "General" );
+ config()->writeEntry( "Custom Categories", mCustomCategories );
+}