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kdatepicker.h

/*  -*- C++ -*-
    This file is part of the KDE libraries
    Copyright (C) 1997 Tim D. Gilman (tdgilman@best.org)
              (C) 1998-2001 Mirko Boehm (mirko@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., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
*/
#ifndef KDATEPICKER_H
#define KDATEPICKER_H
#include <qdatetime.h>
#include <qframe.h>

class QLineEdit;
class QToolButton;
class KDateValidator;
class KDateTable;

class KDatePicker: public QFrame
{
  Q_OBJECT
  Q_PROPERTY( QDate date READ date WRITE setDate)
  Q_PROPERTY( bool closeButton READ hasCloseButton WRITE setCloseButton )

public:
  KDatePicker(QWidget *parent=0,
              QDate=QDate::currentDate(),
              const char *name=0);

  KDatePicker(QWidget *parent,
              QDate,
              const char *name,
              WFlags f); // ### KDE 4.0: Merge

  KDatePicker( QWidget *parent, const char *name );

  virtual ~KDatePicker();

  QSize sizeHint() const;

  bool setDate(const QDate&);

  const QDate& getDate() const;

  const QDate &date() const;

  void setEnabled(bool);

  void setFontSize(int);
  int fontSize() const
    { return fontsize; }

  void setCloseButton( bool enable );

  bool hasCloseButton() const;

protected:
  virtual bool eventFilter(QObject *o, QEvent *e );
  virtual void resizeEvent(QResizeEvent*);
  QToolButton *yearForward;
  QToolButton *yearBackward;
  QToolButton *monthForward;
  QToolButton *monthBackward;
  QToolButton *selectMonth;
  QToolButton *selectYear;
  QLineEdit *line;
  KDateValidator *val;
  KDateTable *table;
    //  QSize sizehint;
  QSize maxMonthRect;
protected slots:
  void dateChangedSlot(QDate);
  void tableClickedSlot();
  void monthForwardClicked();
  void monthBackwardClicked();
  void yearForwardClicked();
  void yearBackwardClicked();
  void selectWeekClicked();
  void selectMonthClicked();
  void selectYearClicked();
  void lineEnterPressed();
signals:
  void dateChanged(QDate);
  void dateSelected(QDate);
  void dateEntered(QDate);
  void tableClicked();

private:
  int fontsize;

protected:
  virtual void virtual_hook( int id, void* data );
private:
  void init( const QDate &dt );
  class KDatePickerPrivate;
  KDatePickerPrivate *d;
  // calculate ISO 8601 week number
  int weekOfYear(QDate);
};

#endif //  KDATEPICKER_H

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