Initial revision

1 files changed, 148 insertions, 0 deletions

diff --git a/korganizer/kdatenavigator.h b/korganizer/kdatenavigator.h
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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, Calendar *calendar = 0,
+                    bool show_week_numbers = false, const char *name = 0,
+                    QDate date = QDate::currentDate() );
+    ~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 );
+
+  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();
+
+  protected:
+    void updateDates();
+
+    void wheelEvent (QWheelEvent *);
+
+    bool eventFilter (QObject *,QEvent *);
+
+  private:
+    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