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/* -*- 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)
(C) 2007 John Layt <john@layt.net>
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KDATEPICKER_H
#define KDATEPICKER_H
#include <kwidgetsaddons_export.h>
#include <QtCore/QDateTime>
#include <QFrame>
class QLineEdit;
class KDateTable;
/**
* @short A date selection widget.
*
* Provides a widget for calendar date input.
*
* Different from the
* previous versions, it now emits two types of signals, either
* dateSelected() or dateEntered() (see documentation for both
* signals).
*
* A line edit has been added in the newer versions to allow the user
* to select a date directly by entering numbers like 19990101
* or 990101.
*
* \image html kdatepicker.png "KDE Date Widget"
*
* @author Tim Gilman, Mirko Boehm
*
**/
class KWIDGETSADDONS_EXPORT KDatePicker: public QFrame
{
Q_OBJECT
Q_PROPERTY(QDate date READ date WRITE setDate NOTIFY dateChanged USER true)
Q_PROPERTY(bool closeButton READ hasCloseButton WRITE setCloseButton)
Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize)
public:
/**
* The constructor. The current date will be displayed initially.
**/
explicit KDatePicker(QWidget *parent = 0);
/**
* The constructor. The given date will be displayed initially.
**/
explicit KDatePicker(const QDate &dt, QWidget *parent = 0);
/**
* The destructor.
**/
virtual ~KDatePicker();
/** The size hint for date pickers. The size hint recommends the
* minimum size of the widget so that all elements may be placed
* without clipping. This sometimes looks ugly, so when using the
* size hint, try adding 28 to each of the reported numbers of
* pixels.
**/
QSize sizeHint() const Q_DECL_OVERRIDE;
/**
* Sets the date.
*
* @returns @p false and does not change anything if the date given is invalid.
**/
bool setDate(const QDate &date);
/**
* @returns the selected date.
*/
const QDate &date() const;
/**
* @returns the KDateTable widget child of this KDatePicker
* widget.
*/
/**
* Sets the font size of the widgets elements.
**/
void setFontSize(int);
/**
* Returns the font size of the widget elements.
*/
int fontSize() const;
/**
* By calling this method with @p enable = true, KDatePicker will show
* a little close-button in the upper button-row. Clicking the
* close-button will cause the KDatePicker's topLevelWidget()'s close()
* method being called. This is mostly useful for toplevel datepickers
* without a window manager decoration.
* @see hasCloseButton
*/
void setCloseButton(bool enable);
/**
* @returns true if a KDatePicker shows a close-button.
* @see setCloseButton
*/
bool hasCloseButton() const;
protected:
/// to catch move keyEvents when QLineEdit has keyFocus
bool eventFilter(QObject *o, QEvent *e) Q_DECL_OVERRIDE;
/// the resize event
void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
void changeEvent(QEvent *event) Q_DECL_OVERRIDE;
protected Q_SLOTS:
void dateChangedSlot(const QDate &date);
void tableClickedSlot();
void monthForwardClicked();
void monthBackwardClicked();
void yearForwardClicked();
void yearBackwardClicked();
void selectMonthClicked();
void selectYearClicked();
void uncheckYearSelector();
void lineEnterPressed();
void todayButtonClicked();
void weekSelected(int);
Q_SIGNALS:
/** This signal is emitted each time the selected date is changed.
* Usually, this does not mean that the date has been entered,
* since the date also changes, for example, when another month is
* selected.
* @see dateSelected
*/
void dateChanged(const QDate &date);
/** This signal is emitted each time a day has been selected by
* clicking on the table (hitting a day in the current month). It
* has the same meaning as dateSelected() in older versions of
* KDatePicker.
*/
void dateSelected(const QDate &date);
/** This signal is emitted when enter is pressed and a VALID date
* has been entered before into the line edit. Connect to both
* dateEntered() and dateSelected() to receive all events where the
* user really enters a date.
*/
void dateEntered(const QDate &date);
/** This signal is emitted when the day has been selected by
* clicking on it in the table.
*/
void tableClicked();
private:
KDateTable *dateTable() const;
void initWidget(const QDate &date);
class KDatePickerPrivate;
friend class KDatePickerPrivate;
KDatePickerPrivate *const d;
};
#endif // KDATEPICKER_H
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