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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)
+ 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>
+#include <kdemacros.h>
+
+class QLineEdit;
+class QToolButton;
+class KDateValidator;
+class KDateTable;
+
+/**
+ * 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 KDatePicker: public QFrame
+{
+ Q_OBJECT
+ Q_PROPERTY( QDate date READ date WRITE setDate)
+ Q_PROPERTY( bool closeButton READ hasCloseButton WRITE setCloseButton )
+ Q_PROPERTY( int fontSize READ fontSize WRITE setFontSize )
+
+public:
+ /** The usual constructor. The given date will be displayed
+ * initially.
+ **/
+ KDatePicker(QWidget *parent=0,
+ QDate=QDate::currentDate(),
+ const char *name=0);
+
+ /** The usual constructor. The given date will be displayed
+ * initially.
+ * @since 3.1
+ **/
+ KDatePicker(QWidget *parent,
+ QDate,
+ const char *name,
+ WFlags f); // ### KDE 4.0: Merge
+
+ /**
+ * Standard qt widget constructor. The initial date will be the
+ * current date.
+ * @since 3.1
+ */
+ KDatePicker( QWidget *parent, const char *name );
+
+ /**
+ * 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;
+
+ /**
+ * Sets the date.
+ *
+ * @returns @p false and does not change anything
+ * if the date given is invalid.
+ **/
+ bool setDate(const QDate&);
+
+ /**
+ * Returns the selected date.
+ * @deprecated
+ **/
+ const QDate& getDate() const KDE_DEPRECATED;
+
+ /**
+ * @returns the selected date.
+ */
+ const QDate &date() const;
+
+ /**
+ * Enables or disables the widget.
+ **/
+ void setEnabled(bool);
+
+ /**
+ * @returns the KDateTable widget child of this KDatePicker
+ * widget.
+ * @since 3.2
+ */
+ KDateTable *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, 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
+ * @since 3.1
+ */
+ void setCloseButton( bool enable );
+
+ /**
+ * @returns true if a KDatePicker shows a close-button.
+ * @see setCloseButton
+ * @since 3.1
+ */
+ bool hasCloseButton() const;
+
+protected:
+ /// to catch move keyEvents when QLineEdit has keyFocus
+ virtual bool eventFilter(QObject *o, QEvent *e );
+ /// the resize event
+ virtual void resizeEvent(QResizeEvent*);
+ /// the year forward button
+ QToolButton *yearForward;
+ /// the year backward button
+ QToolButton *yearBackward;
+ /// the month forward button
+ QToolButton *monthForward;
+ /// the month backward button
+ QToolButton *monthBackward;
+ /// the button for selecting the month directly
+ QToolButton *selectMonth;
+ /// the button for selecting the year directly
+ QToolButton *selectYear;
+ /// the line edit to enter the date directly
+ QLineEdit *line;
+ /// the validator for the line edit:
+ KDateValidator *val;
+ /// the date table
+ KDateTable *table;
+ /// the size calculated during resize events
+ // QSize sizehint;
+ /// the widest month string in pixels:
+ QSize maxMonthRect;
+protected slots:
+ void dateChangedSlot(QDate);
+ void tableClickedSlot();
+ void monthForwardClicked();
+ void monthBackwardClicked();
+ void yearForwardClicked();
+ void yearBackwardClicked();
+ /**
+ * @since 3.1
+ * @deprecated in 3.2
+ */
+ void selectWeekClicked() KDE_DEPRECATED;
+ /**
+ * @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:
+ // ### KDE 4.0 Make all QDate parameters const references
+
+ /** 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(QDate);
+ /** 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(QDate);
+ /** 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(QDate);
+ /** 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 QDate &dt );
+ void fillWeeksCombo(const QDate &date);
+ class KDatePickerPrivate;
+ KDatePickerPrivate *d;
+};
+
+#endif // KDATEPICKER_H