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/*
This file is part of KOrganizer.
Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#ifndef KDATENAVIGATOR_H
#define KDATENAVIGATOR_H
#include <qframe.h>
#include <qdatetime.h>
#include <qlabel.h>
#include <libkcal/calendar.h>
#include "kodaymatrix.h"
class QPushButton;
class QTimer;
class KCalendarSystem;
class NavigatorBar;
class KDateNavigator: public QFrame
{
Q_OBJECT
public:
KDateNavigator( QWidget *parent = 0,const char *name = 0 );
~KDateNavigator();
/** The DateNavigator automatically checks for
* the passage of midnight. If rollover type is
* set to None, no signals are emitted and no
* processing is done. With rollover set to
* FollowDay, the day highlighter changes at
* midnight and dayPassed() is emitted.
* With FollowMonth, it has the same effect
* as FollowDay but also adjusts the month that is
* visible and emits monthPassed() when the month changes.
*/
enum RolloverType { None, FollowDay, FollowMonth } ;
void enableRollover( RolloverType );
void setShowWeekNums( bool enabled );
void setCalendar( Calendar * );
void setBaseDate( const QDate & , bool doRepaint = true );
KCal::DateList selectedDates() const { return mSelectedDates; }
NavigatorBar *navigatorBar() const { return mNavigatorBar; }
void setMonthSignalOffset ( int off ) { mMonthSignalOffset = off;}
QSize yourSizeHint() { return mySizeHint; }
QFont yourFontHint( QSize , bool * b);
bool fontChanged() {return mFontChanged; }
void unsetFontChanged() { mFontChanged = false; }
KODayMatrix *dayMatrix() { return daymatrix ;}
QSize sizeHint() const;
void changeFont ( QFont fo );
public slots:
void selectDates( const KCal::DateList & );
void updateView();
void updateConfig();
void updateDayMatrix();
signals:
void datesSelected( const KCal::DateList & );
void eventDropped( Event * );
void weekClicked( const QDate &);
void goPrevious();
void goNext();
void goNextMonth();
void goPrevMonth();
void goNextYear();
void goPrevYear();
void monthSelected( int );
// Signals emitted at midnight carrying the new date.
void dayPassed( QDate );
void monthPassed( QDate );
protected slots:
/**
* Called regularly to see if we need to update the view
* wrt. the today box and the month box. Only important
* if you leave KOrganizer idle for long periods of time.
*
* Until we have a reliable way of setting QTimers to go
* off at a particular wall-clock time, we need this,
* which calls passedMidnight() at the right moments.
*/
void possiblyPastMidnight();
/** handles updating the view when midnight has come by due to idle time.
*
*/
void passedMidnight();
void slotMonthSelected( int m );
protected:
void updateDates();
void wheelEvent (QWheelEvent *);
bool eventFilter (QObject *,QEvent *);
private:
QSize mySizeHint;
bool mFontChanged;
int mMonthSignalOffset;
NavigatorBar *mNavigatorBar;
QFrame *headingSep;
QFrame *weeknumSep;
QLabel *headings[7];
QLabel *weeknos[7];
KODayMatrix *daymatrix;
KCal::DateList mSelectedDates;
QDate m_MthYr;
int m_fstDayOfWk;
bool m_bShowWeekNums;
int dayNum(int row, int col);
int dayToIndex(int dayNum);
Calendar *mCalendar;
KCalendarSystem *mCalendarSystem;
const QString *curHeaders;
/** used to update the day view periodically, in particular every
* midnight to move the "today" rectangle.
*/
QTimer *updateTimer;
QDate lastDayChecked;
RolloverType updateRollover;
// Disabling copy constructor and assignment operator
KDateNavigator(const KDateNavigator & );
KDateNavigator &operator=(const KDateNavigator &);
};
#endif
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