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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) 2004 Jason Harris (jharris@30doradus.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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef EXTDATEPICKER_H
#define EXTDATEPICKER_H
#include "extdatetime.h"
class KLineEdit;
class TQToolButton;
class ExtDateValidator;
class ExtDateTable;
/**
* 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"
*
* @version $Id$
* @author Tim Gilman, Mirko Boehm
*
* @short A date selection widget.
**/
class KDE_EXPORT ExtDatePicker: public TQFrame
{
Q_OBJECT
TQ_OBJECT
// TQ_PROPERTY( ExtDate date READ date WRITE setDate)
TQ_PROPERTY( bool closeButton READ hasCloseButton WRITE setCloseButton )
TQ_PROPERTY( int fontSize READ fontSize WRITE setFontSize )
public:
/** The usual constructor. The given date will be displayed
* initially.
**/
ExtDatePicker(TQWidget *parent=0,
ExtDate=ExtDate::tqcurrentDate(),
const char *name=0);
/** The usual constructor. The given date will be displayed
* initially.
* @since 3.1
**/
ExtDatePicker(TQWidget *parent,
ExtDate,
const char *name,
WFlags f); // ### KDE 4.0: Merge
/**
* Standard qt widget constructor. The initial date will be the
* current date.
* @since 3.1
*/
ExtDatePicker( TQWidget *parent, const char *name );
/**
* The destructor.
**/
virtual ~ExtDatePicker();
/** 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.
**/
TQSize tqsizeHint() const;
/**
* Sets the date.
*
* @returns @p false and does not change anything
* if the date given is invalid.
**/
bool setDate(const ExtDate&);
/**
* Returns the selected date.
* @deprecated
**/
const ExtDate& getDate() const KDE_DEPRECATED;
/**
* @returns the selected date.
*/
const ExtDate &date() const;
/**
* Enables or disables the widget.
**/
void setEnabled(bool);
/**
* @returns the ExtDateTable widget child of this ExtDatePicker
* widget.
* @since 3.2
*/
ExtDateTable *dateTable() const { return table; }
/**
* Sets the font size of the widgets elements.
**/
void setFontSize(int);
/**
* Returns the font size of the widget elements.
*/
int fontSize() const
{ return fontsize; }
/**
* By calling this method with @p enable = true, ExtDatePicker will show
* a little close-button in the upper button-row. Clicking the
* close-button will cause the ExtDatePicker's tqtopLevelWidget()'s close()
* method being called. This is mostly useful for toplevel datepickers
* without a window manager decoration.
* @see hasCloseButton
* @since 3.1
*/
void setCloseButton( bool enable );
/**
* @returns true if a ExtDatePicker shows a close-button.
* @see setCloseButton
* @since 3.1
*/
bool hasCloseButton() const;
protected:
/// to catch move keyEvents when TQLineEdit has keyFocus
virtual bool eventFilter(TQObject *o, TQEvent *e );
/// the resize event
virtual void resizeEvent(TQResizeEvent*);
/// the year forward button
TQToolButton *yearForward;
/// the year backward button
TQToolButton *yearBackward;
/// the month forward button
TQToolButton *monthForward;
/// the month backward button
TQToolButton *monthBackward;
/// the button for selecting the month directly
TQToolButton *selectMonth;
/// the button for selecting the year directly
TQToolButton *selectYear;
/// the line edit to enter the date directly
KLineEdit *line;
/// the validator for the line edit:
ExtDateValidator *val;
/// the date table
ExtDateTable *table;
/// the size calculated during resize events
// TQSize sizehint;
/// the widest month string in pixels:
TQSize maxMonthRect;
protected slots:
void dateChangedSlot(const ExtDate&);
void tableClickedSlot();
void monthForwardClicked();
void monthBackwardClicked();
void yearForwardClicked();
void yearBackwardClicked();
/**
* @since 3.1
* @deprecated in 3.2
*/
void selectWeekClicked();
/**
* @since 3.1
*/
void selectMonthClicked();
/**
* @since 3.1
*/
void selectYearClicked();
/**
* @since 3.1
*/
void lineEnterPressed();
/**
* @since 3.2
*/
void todayButtonClicked();
/**
* @since 3.2
*/
void weekSelected(int);
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 ExtDate&);
/** 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
* ExtDatePicker.
*/
void dateSelected(const ExtDate&);
/** 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 ExtDate&);
/** This signal is emitted when the day has been selected by
* clicking on it in the table.
*/
void tableClicked();
private:
/// the font size for the widget
int fontsize;
protected:
virtual void virtual_hook( int id, void* data );
private:
void init( const ExtDate &dt );
void fillWeeksCombo(const ExtDate &date);
class ExtDatePickerPrivate;
ExtDatePickerPrivate *d;
};
#endif // EXTDATEPICKER_H
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