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258 lines
6.9 KiB
258 lines
6.9 KiB
/* -*- C++ -*-
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This file is part of the KDE libraries
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Copyright (C) 1997 Tim D. Gilman (tdgilman@best.org)
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(C) 1998-2001 Mirko Boehm (mirko@kde.org)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef KDATEPICKER_H
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#define KDATEPICKER_H
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#include <tqdatetime.h>
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#include <tqframe.h>
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#include <kdelibs_export.h>
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class TQLineEdit;
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class TQToolButton;
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class KDateValidator;
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class KDateTable;
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/**
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* @short A date selection widget.
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*
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* Provides a widget for calendar date input.
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*
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* Different from the
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* previous versions, it now emits two types of signals, either
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* dateSelected() or dateEntered() (see documentation for both
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* signals).
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*
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* A line edit has been added in the newer versions to allow the user
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* to select a date directly by entering numbers like 19990101
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* or 990101.
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*
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* \image html kdatepicker.png "KDE Date Widget"
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*
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* @version $Id$
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* @author Tim Gilman, Mirko Boehm
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*
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**/
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class KDEUI_EXPORT KDatePicker: public TQFrame
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{
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Q_OBJECT
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Q_PROPERTY( TQDate date READ date WRITE setDate)
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Q_PROPERTY( bool closeButton READ hasCloseButton WRITE setCloseButton )
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Q_PROPERTY( int fontSize READ fontSize WRITE setFontSize )
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public:
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/** The usual constructor. The given date will be displayed
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* initially.
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**/
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KDatePicker(TQWidget *parent=0,
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TQDate=TQDate::currentDate(),
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const char *name=0);
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/** The usual constructor. The given date will be displayed
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* initially.
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* @since 3.1
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**/
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KDatePicker(TQWidget *parent,
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TQDate,
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const char *name,
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WFlags f); // ### KDE 4.0: Merge
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/**
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* Standard qt widget constructor. The initial date will be the
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* current date.
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* @since 3.1
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*/
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KDatePicker( TQWidget *parent, const char *name );
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/**
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* The destructor.
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**/
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virtual ~KDatePicker();
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/** The size hint for date pickers. The size hint recommends the
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* minimum size of the widget so that all elements may be placed
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* without clipping. This sometimes looks ugly, so when using the
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* size hint, try adding 28 to each of the reported numbers of
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* pixels.
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**/
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TQSize sizeHint() const;
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/**
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* Sets the date.
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*
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* @returns @p false and does not change anything
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* if the date given is invalid.
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**/
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bool setDate(const TQDate&);
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/**
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* Returns the selected date.
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* @deprecated
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**/
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const TQDate& getDate() const KDE_DEPRECATED;
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/**
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* @returns the selected date.
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*/
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const TQDate &date() const;
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/**
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* Enables or disables the widget.
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**/
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void setEnabled(bool);
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/**
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* @returns the KDateTable widget child of this KDatePicker
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* widget.
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* @since 3.2
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*/
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KDateTable *dateTable() const { return table; }
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/**
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* Sets the font size of the widgets elements.
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**/
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void setFontSize(int);
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/**
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* Returns the font size of the widget elements.
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*/
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int fontSize() const
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{ return fontsize; }
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/**
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* By calling this method with @p enable = true, KDatePicker will show
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* a little close-button in the upper button-row. Clicking the
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* close-button will cause the KDatePicker's topLevelWidget()'s close()
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* method being called. This is mostly useful for toplevel datepickers
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* without a window manager decoration.
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* @see hasCloseButton
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* @since 3.1
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*/
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void setCloseButton( bool enable );
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/**
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* @returns true if a KDatePicker shows a close-button.
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* @see setCloseButton
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* @since 3.1
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*/
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bool hasCloseButton() const;
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protected:
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/// to catch move keyEvents when TQLineEdit has keyFocus
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virtual bool eventFilter(TQObject *o, TQEvent *e );
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/// the resize event
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virtual void resizeEvent(TQResizeEvent*);
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/// the year forward button
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TQToolButton *yearForward;
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/// the year backward button
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TQToolButton *yearBackward;
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/// the month forward button
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TQToolButton *monthForward;
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/// the month backward button
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TQToolButton *monthBackward;
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/// the button for selecting the month directly
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TQToolButton *selectMonth;
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/// the button for selecting the year directly
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TQToolButton *selectYear;
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/// the line edit to enter the date directly
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TQLineEdit *line;
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/// the validator for the line edit:
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KDateValidator *val;
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/// the date table
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KDateTable *table;
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/// the size calculated during resize events
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// TQSize sizehint;
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/// the widest month string in pixels:
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TQSize maxMonthRect;
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protected slots:
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void dateChangedSlot(TQDate);
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void tableClickedSlot();
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void monthForwardClicked();
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void monthBackwardClicked();
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void yearForwardClicked();
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void yearBackwardClicked();
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/**
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* @since 3.1
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* @deprecated in 3.2
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*/
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void selectWeekClicked();
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/**
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* @since 3.1
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*/
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void selectMonthClicked();
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/**
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* @since 3.1
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*/
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void selectYearClicked();
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/**
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* @since 3.1
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*/
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void lineEnterPressed();
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/**
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* @since 3.2
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*/
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void todayButtonClicked();
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/**
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* @since 3.2
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*/
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void weekSelected(int);
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signals:
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// ### KDE 4.0 Make all TQDate parameters const references
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/** This signal is emitted each time the selected date is changed.
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* Usually, this does not mean that the date has been entered,
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* since the date also changes, for example, when another month is
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* selected.
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* @see dateSelected
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*/
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void dateChanged(TQDate);
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/** This signal is emitted each time a day has been selected by
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* clicking on the table (hitting a day in the current month). It
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* has the same meaning as dateSelected() in older versions of
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* KDatePicker.
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*/
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void dateSelected(TQDate);
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/** This signal is emitted when enter is pressed and a VALID date
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* has been entered before into the line edit. Connect to both
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* dateEntered() and dateSelected() to receive all events where the
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* user really enters a date.
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*/
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void dateEntered(TQDate);
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/** This signal is emitted when the day has been selected by
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* clicking on it in the table.
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*/
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void tableClicked();
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private slots:
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void ensureSelectYearIsUp();
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private:
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/// the font size for the widget
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int fontsize;
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protected:
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virtual void virtual_hook( int id, void* data );
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private:
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void init( const TQDate &dt );
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void fillWeeksCombo(const TQDate &date);
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class KDatePickerPrivate;
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KDatePickerPrivate *d;
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};
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#endif // KDATEPICKER_H
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