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87 lines
2.7 KiB
87 lines
2.7 KiB
15 years ago
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/*
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This file is part of KOrganizer.
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Copyright (c) 2002 Adriaan de Groot <groot@kde.org>
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Copyright (c) 2004 Cornelius Schumacher <schumacher@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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As a special exception, permission is given to link this program
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with any edition of Qt, and distribute the resulting executable,
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without including the source code for Qt in the source distribution.
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*/
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#ifndef DATECHECKER_H
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#define DATECHECKER_H
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#include <qobject.h>
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#include <qdatetime.h>
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class QTimer;
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class KCalendarSystem;
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class NavigatorBar;
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class DateChecker: public QObject
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{
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Q_OBJECT
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public:
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DateChecker( QObject *parent = 0, const char *name = 0 );
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~DateChecker();
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/**
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The DateChecker automatically checks for
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the passage of midnight. If rollover type is
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set to None, no signals are emitted and no
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processing is done. With rollover set to
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FollowDay, the day highlighter changes at
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midnight and dayPassed() is emitted.
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With FollowMonth, it has the same effect
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as FollowDay but also adjusts the month that is
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visible and emits monthPassed() when the month changes.
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*/
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enum RolloverType { None, FollowDay, FollowMonth };
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void enableRollover( RolloverType );
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signals:
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// Signals emitted at midnight carrying the new date.
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void dayPassed( const QDate & );
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void monthPassed( const QDate & );
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protected slots:
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/**
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Called regularly to see if we need to update the view
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wrt. the today box and the month box. Only important
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if you leave KOrganizer idle for long periods of time.
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Until we have a reliable way of setting QTimers to go
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off at a particular wall-clock time, we need this,
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which calls passedMidnight() at the right moments.
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*/
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void possiblyPastMidnight();
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/**
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Handles updating the view when midnight has come by due to idle time.
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*/
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void passedMidnight();
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private:
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QTimer *mUpdateTimer;
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QDate mLastDayChecked;
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RolloverType mUpdateRollover;
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};
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#endif
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