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